3224 lines
121 KiB
PHP
3224 lines
121 KiB
PHP
<?php
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// $Id$
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/**
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* @file
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* Hooks provided by Drupal core and the System module.
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*/
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/**
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* @addtogroup hooks
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* @{
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*/
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/**
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* Defines one or more hooks that are exposed by a module.
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*
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* Normally hooks do not need to be explicitly defined. However, by declaring a
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* hook explicitly, a module may define a "group" for it. Modules that implement
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* a hook may then place their implementation in either $module.module or in
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* $module.$group.inc. If the hook is located in $module.$group.inc, then that
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* file will be automatically loaded when needed.
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* In general, hooks that are rarely invoked and/or are very large should be
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* placed in a separate include file, while hooks that are very short or very
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* frequently called should be left in the main module file so that they are
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* always available.
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*
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* @return
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* An associative array whose keys are hook names and whose values are an
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* associative array containing:
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* - group: A string defining the group to which the hook belongs. The module
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* system will determine whether a file with the name $module.$group.inc
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* exists, and automatically load it when required.
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*
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* See system_hook_info() for all hook groups defined by Drupal core.
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*/
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function hook_hook_info() {
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$hooks['token_info'] = array(
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'group' => 'tokens',
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);
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$hooks['tokens'] = array(
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'group' => 'tokens',
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);
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return $hooks;
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}
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/**
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* Inform the base system and the Field API about one or more entity types.
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*
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* Inform the system about one or more entity types (i.e., object types that
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* can be loaded via entity_load() and, optionally, to which fields can be
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* attached).
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*
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* @see entity_load()
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* @see hook_entity_info_alter()
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*
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* @return
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* An array whose keys are entity type names and whose values identify
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* properties of those types that the system needs to know about:
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* - label: The human-readable name of the type.
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* - controller class: The name of the class that is used to load the objects.
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* The class has to implement the DrupalEntityControllerInterface interface.
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* Leave blank to use the DrupalDefaultEntityController implementation.
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* - base table: (used by DrupalDefaultEntityController) The name of the
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* entity type's base table.
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* - static cache: (used by DrupalDefaultEntityController) FALSE to disable
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* static caching of entities during a page request. Defaults to TRUE.
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* - load hook: The name of the hook which should be invoked by
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* DrupalDefaultEntityController:attachLoad(), for example 'node_load'.
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* - uri callback: A function taking an entity as argument and returning the
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* uri elements of the entity, e.g. 'path' and 'options'. The actual entity
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* uri can be constructed by passing these elements to url().
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* - fieldable: Set to TRUE if you want your entity type to be fieldable.
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* - object keys: An array describing how the Field API can extract the
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* information it needs from the objects of the type. Elements:
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* - id: The name of the property that contains the primary id of the
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* object. Every object passed to the Field API must have this property
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* and its value must be numeric.
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* - revision: The name of the property that contains the revision id of
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* the object. The Field API assumes that all revision ids are unique
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* across all objects of a type.
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* This element can be omitted if the objects of this type are not
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* versionable.
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* - bundle: The name of the property that contains the bundle name for the
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* object. The bundle name defines which set of fields are attached to
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* the object (e.g. what nodes call "content type").
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* This element can be omitted if this type has no bundles (all objects
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* have the same fields).
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* - bundle keys: An array describing how the Field API can extract the
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* information it needs from the bundle objects for this type (e.g
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* $vocabulary objects for terms; not applicable for nodes).
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* This element can be omitted if this type's bundles do not exist as
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* standalone objects. Elements:
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* - bundle: The name of the property that contains the name of the bundle
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* object.
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* - cacheable: A boolean indicating whether Field API should cache
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* loaded fields for each object, reducing the cost of
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* field_attach_load().
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* - bundles: An array describing all bundles for this object type.
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* Keys are bundles machine names, as found in the objects' 'bundle'
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* property (defined in the 'object keys' entry above). Elements:
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* - label: The human-readable name of the bundle.
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* - admin: An array of information that allows Field UI pages to attach
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* themselves to the existing administration pages for the bundle.
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* Elements:
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* - path: the path of the bundle's main administration page, as defined
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* in hook_menu(). If the path includes a placeholder for the bundle,
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* the 'bundle argument', 'bundle helper' and 'real path' keys below
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* are required.
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* - bundle argument: The position of the placeholder in 'path', if any.
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* - real path: The actual path (no placeholder) of the bundle's main
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* administration page. This will be used to generate links.
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* - access callback: As in hook_menu(). 'user_access' will be assumed if
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* no value is provided.
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* - access arguments: As in hook_menu().
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* - view modes: An array describing the view modes for the entity type. View
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* modes let entities be displayed differently depending on the context.
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* For instance, a node can be displayed differently on its own page
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* ('full' mode), on the home page or taxonomy listings ('teaser' mode), or
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* in an RSS feed ('rss' mode). Modules taking part in the display of the
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* entity (notably the Field API) can adjust their behavior depending on
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* the requested view mode. Keys of the array are view mode names. Each
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* view mode is described by an array with the following key/value pairs:
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* - label: The human-readable name of the view mode
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*/
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function hook_entity_info() {
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$return = array(
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'node' => array(
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'label' => t('Node'),
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'controller class' => 'NodeController',
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'base table' => 'node',
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'revision table' => 'node_revision',
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'path callback' => 'node_path',
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'fieldable' => TRUE,
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'object keys' => array(
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'id' => 'nid',
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'revision' => 'vid',
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'bundle' => 'type',
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),
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'bundle keys' => array(
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'bundle' => 'type',
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),
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// Node.module handles its own caching.
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// 'cacheable' => FALSE,
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'bundles' => array(),
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'view modes' => array(
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'full' => array(
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'label' => t('Full node'),
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),
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'teaser' => array(
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'label' => t('Teaser'),
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),
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'rss' => array(
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'label' => t('RSS'),
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),
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),
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),
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);
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// Search integration is provided by node.module, so search-related
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// view modes for nodes are defined here and not in search.module.
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if (module_exists('search')) {
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$return['node']['view modes'] += array(
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'search_index' => array(
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'label' => t('Search index'),
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),
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'search_result' => array(
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'label' => t('Search result'),
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),
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);
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}
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// Bundles must provide a human readable name so we can create help and error
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// messages, and the path to attach Field admin pages to.
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foreach (node_type_get_names() as $type => $name) {
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$return['node']['bundles'][$type] = array(
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'label' => $name,
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'admin' => array(
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'path' => 'admin/structure/types/manage/%node_type',
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'real path' => 'admin/structure/types/manage/' . str_replace('_', '-', $type),
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'bundle argument' => 4,
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'access arguments' => array('administer content types'),
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),
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);
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}
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return $return;
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}
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/**
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* Alter the entity info.
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*
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* Modules may implement this hook to alter the information that defines an
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* entity. All properties that are available in hook_entity_info() can be
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* altered here.
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*
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* @see hook_entity_info()
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*
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* @param $entity_info
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* The entity info array, keyed by entity name.
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*/
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function hook_entity_info_alter(&$entity_info) {
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// Set the controller class for nodes to an alternate implementation of the
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// DrupalEntityController interface.
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$entity_info['node']['controller class'] = 'MyCustomNodeController';
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}
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/**
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* Act on entities when loaded.
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*
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* This is a generic load hook called for all entity types loaded via the
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* entity API.
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*
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* @param $entities
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* The entities keyed by entity ID.
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* @param $type
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* The type of entities being loaded (i.e. node, user, comment).
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*/
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function hook_entity_load($entities, $type) {
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foreach ($entities as $entity) {
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$entity->foo = mymodule_add_something($entity, $type);
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}
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}
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/**
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* Act on entities when inserted.
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*
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* Generic insert hook called for all entity types via entity_invoke().
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*
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* @param $entity
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* The entity object.
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* @param $type
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* The type of entity being inserted (i.e. node, user, comment).
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*/
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function hook_entity_insert($entity, $type) {
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}
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/**
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* Act on entities when updated.
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*
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* Generic update hook called for all entity types via entity_invoke().
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*
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* @param $entity
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* The entity object.
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* @param $type
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* The type of entity being updated (i.e. node, user, comment).
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*/
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function hook_entity_update($entity, $type) {
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}
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/**
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* Define administrative paths.
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*
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* Modules may specify whether or not the paths they define in hook_menu() are
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* to be considered administrative. Other modules may use this information to
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* display those pages differently (e.g. in a modal overlay, or in a different
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* theme).
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*
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* To change the administrative status of menu items defined in another module's
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* hook_menu(), modules should implement hook_admin_paths_alter().
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*
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* @return
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* An associative array. For each item, the key is the path in question, in
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* a format acceptable to drupal_match_path(). The value for each item should
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* be TRUE (for paths considered administrative) or FALSE (for non-
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* administrative paths).
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*
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* @see hook_menu()
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* @see drupal_match_path()
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* @see hook_admin_paths_alter()
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*/
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function hook_admin_paths() {
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$paths = array(
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'mymodule/*/add' => TRUE,
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'mymodule/*/edit' => TRUE,
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);
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return $paths;
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}
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/**
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* Redefine administrative paths defined by other modules.
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*
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* @param $paths
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* An associative array of administrative paths, as defined by implementations
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* of hook_admin_paths().
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*
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* @see hook_admin_paths()
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*/
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function hook_admin_paths_alter(&$paths) {
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// Treat all user pages as administrative.
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$paths['user'] = TRUE;
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$paths['user/*'] = TRUE;
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// Treat the forum topic node form as a non-administrative page.
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$paths['node/add/forum'] = FALSE;
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}
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/**
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* Act on entities as they are being prepared for view.
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*
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* Allows you to operate on multiple entities as they are being prepared for
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* view. Only use this if attaching the data during the entity_load() phase
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* is not appropriate, for example when attaching other 'entity' style objects.
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*
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* @param $entities
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* The entities keyed by entity ID.
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* @param $type
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* The type of entities being loaded (i.e. node, user, comment).
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*/
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function hook_entity_prepare_view($entities, $type) {
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// Load a specific node into the user object for later theming.
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if ($type == 'user') {
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$nodes = mymodule_get_user_nodes(array_keys($entities));
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foreach ($entities as $uid => $entity) {
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$entity->user_node = $nodes[$uid];
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}
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}
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}
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/**
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* Perform periodic actions.
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*
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* This hook will only be called if cron.php is run (e.g. by crontab).
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*
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* Modules that require to schedule some commands to be executed at regular
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* intervals can implement hook_cron(). The engine will then call the hook
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* at the appropriate intervals defined by the administrator. This interface
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* is particularly handy to implement timers or to automate certain tasks.
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* Database maintenance, recalculation of settings or parameters are good
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* candidates for cron tasks.
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*
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* Short-running or not resource intensive tasks can be executed directly.
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*
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* Long-running tasks should use the queue API. To do this, one or more queues
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* need to be defined via hook_cron_queue_info(). Items that need to be
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* processed are appended to the defined queue, instead of processing them
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* directly in hook_cron().
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* Examples of jobs that are good candidates for
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* hook_cron_queue_info() include automated mailing, retrieving remote data, and
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* intensive file tasks.
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*
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* @return
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* None.
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*
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* @see hook_cron_queue_info()
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*/
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function hook_cron() {
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// Short-running operation example, not using a queue:
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// Delete all expired records since the last cron run.
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$expires = variable_get('mymodule_cron_last_run', REQUEST_TIME);
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db_delete('mymodule_table')
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->condition('expires', $expires, '>=')
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->execute();
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variable_set('mymodule_cron_last_run', REQUEST_TIME);
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// Long-running operation example, leveraging a queue:
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// Fetch feeds from other sites.
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$result = db_query('SELECT * FROM {aggregator_feed} WHERE checked + refresh < :time AND refresh != :never', array(
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':time' => REQUEST_TIME,
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':never' => AGGREGATOR_CLEAR_NEVER,
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));
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$queue = DrupalQueue::get('aggregator_feeds');
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foreach ($result as $feed) {
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$queue->createItem($feed);
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}
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}
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/**
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* Declare queues holding items that need to be run periodically.
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*
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* While there can be only one hook_cron() process running at the same time,
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* there can be any number of processes defined here running. Because of
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* this, long running tasks are much better suited for this API. Items queued
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* in hook_cron() might be processed in the same cron run if there are not many
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* items in the queue, otherwise it might take several requests, which can be
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* run in parallel.
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*
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* @return
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* An associative array where the key is the queue name and the value is
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* again an associative array. Possible keys are:
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* - 'worker callback': The name of the function to call. It will be called
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* with one argument, the item created via DrupalQueue::createItem() in
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* hook_cron().
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* - 'time': (optional) How much time Drupal should spend on calling this
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* worker in seconds. Defaults to 15.
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*
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* @see hook_cron()
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* @see hook_cron_queue_info_alter()
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*/
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function hook_cron_queue_info() {
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$queues['aggregator_feeds'] = array(
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'worker callback' => 'aggregator_refresh',
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'time' => 60,
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);
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return $queues;
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}
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/**
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* Alter cron queue information before cron runs.
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*
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* Called by drupal_run_cron() to allow modules to alter cron queue settings
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* before any jobs are processesed.
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*
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* @param array $queues
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* An array of cron queue information.
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*
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* @see hook_cron_queue_info()
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*/
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function hook_cron_queue_info_alter(&$queues) {
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// This site has many feeds so let's spend 90 seconds on each cron run
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// updating feeds instead of the default 60.
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$queues['aggregator_feeds']['time'] = 90;
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}
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/**
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* Allows modules to declare their own Forms API element types and specify their
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* default values.
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*
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* This hook allows modules to declare their own form element types and to
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* specify their default values. The values returned by this hook will be
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* merged with the elements returned by hook_form() implementations and so
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* can return defaults for any Form APIs keys in addition to those explicitly
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* mentioned below.
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*
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* Each of the form element types defined by this hook is assumed to have
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* a matching theme function, e.g. theme_elementtype(), which should be
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* registered with hook_theme() as normal.
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*
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* Form more information about custom element types see the explanation at
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* http://drupal.org/node/169815.
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*
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* @return
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* An associative array describing the element types being defined. The array
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* contains a sub-array for each element type, with the machine-readable type
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* name as the key. Each sub-array has a number of possible attributes:
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* - "#input": boolean indicating whether or not this element carries a value
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* (even if it's hidden).
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* - "#process": array of callback functions taking $element, $form_state,
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* and $complete_form.
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* - "#after_build": array of callback functions taking $element and $form_state.
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* - "#validate": array of callback functions taking $form and $form_state.
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* - "#element_validate": array of callback functions taking $element and
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* $form_state.
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* - "#pre_render": array of callback functions taking $element and $form_state.
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* - "#post_render": array of callback functions taking $element and $form_state.
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* - "#submit": array of callback functions taking $form and $form_state.
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* - "#title_display": optional string indicating if and how #title should be
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* displayed, see theme_form_element() and theme_form_element_label().
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*
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* @see hook_element_info_alter()
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* @see system_element_info()
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*/
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function hook_element_info() {
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$types['filter_format'] = array(
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'#input' => TRUE,
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);
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return $types;
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}
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/**
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* Alter the element type information returned from modules.
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*
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* A module may implement this hook in order to alter the element type defaults
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* defined by a module.
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*
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* @param &$type
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* All element type defaults as collected by hook_element_info().
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*
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* @see hook_element_info()
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*/
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function hook_element_info_alter(&$type) {
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// Decrease the default size of textfields.
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if (isset($type['textfield']['#size'])) {
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$type['textfield']['#size'] = 40;
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}
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}
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|
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/**
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|
* Perform cleanup tasks.
|
|
*
|
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* This hook is run at the end of each page request. It is often used for
|
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* page logging and specialized cleanup. This hook MUST NOT print anything.
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*
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* Only use this hook if your code must run even for cached page views.
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* If you have code which must run once on all non cached pages, use
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* hook_init instead. Thats the usual case. If you implement this hook
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* and see an error like 'Call to undefined function', it is likely that
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* you are depending on the presence of a module which has not been loaded yet.
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* It is not loaded because Drupal is still in bootstrap mode.
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*
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* @param $destination
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* If this hook is invoked as part of a drupal_goto() call, then this argument
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* will be a fully-qualified URL that is the destination of the redirect.
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*/
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function hook_exit($destination = NULL) {
|
|
db_update('counter')
|
|
->expression('hits', 'hits + 1')
|
|
->condition('type', 1)
|
|
->execute();
|
|
}
|
|
|
|
/**
|
|
* Perform necessary alterations to the JavaScript before it is presented on
|
|
* the page.
|
|
*
|
|
* @param $javascript
|
|
* An array of all JavaScript being presented on the page.
|
|
* @see drupal_add_js()
|
|
* @see drupal_get_js()
|
|
* @see drupal_js_defaults()
|
|
*/
|
|
function hook_js_alter(&$javascript) {
|
|
// Swap out jQuery to use an updated version of the library.
|
|
$javascript['misc/jquery.js']['data'] = drupal_get_path('module', 'jquery_update') . '/jquery.js';
|
|
}
|
|
|
|
/**
|
|
* Registers JavaScript/CSS libraries associated with a module.
|
|
*
|
|
* Modules implementing this return an array of arrays. The key to each
|
|
* sub-array is the machine readable name of the library. Each library may
|
|
* contain the following items:
|
|
*
|
|
* - 'title': The human readable name of the library.
|
|
* - 'website': The URL of the library's web site.
|
|
* - 'version': A string specifying the version of the library; intentionally
|
|
* not a float because a version like "1.2.3" is not a valid float. Use PHP's
|
|
* version_compare() to compare different versions.
|
|
* - 'js': An array of JavaScript elements; each element's key is used as $data
|
|
* argument, each element's value is used as $options array for
|
|
* drupal_add_js(). To add library-specific (not module-specific) JavaScript
|
|
* settings, the key may be skipped, the value must specify
|
|
* 'type' => 'setting', and the actual settings must be contained in a 'data'
|
|
* element of the value.
|
|
* - 'css': Like 'js', an array of CSS elements passed to drupal_add_css().
|
|
* - 'dependencies': An array of libraries that are required for a library. Each
|
|
* element is an array containing the module and name of the registered
|
|
* library. Note that all dependencies for each dependent library will be
|
|
* added when this library is added.
|
|
*
|
|
* Registered information for a library should contain re-usable data only.
|
|
* Module- or implementation-specific data and integration logic should be added
|
|
* separately.
|
|
*
|
|
* @return
|
|
* An array defining libraries associated with a module.
|
|
*
|
|
* @see system_library()
|
|
* @see drupal_add_library()
|
|
* @see drupal_get_library()
|
|
*/
|
|
function hook_library() {
|
|
// Library One.
|
|
$libraries['library-1'] = array(
|
|
'title' => 'Library One',
|
|
'website' => 'http://example.com/library-1',
|
|
'version' => '1.2',
|
|
'js' => array(
|
|
drupal_get_path('module', 'my_module') . '/library-1.js' => array(),
|
|
),
|
|
'css' => array(
|
|
drupal_get_path('module', 'my_module') . '/library-2.css' => array(
|
|
'type' => 'file',
|
|
'media' => 'screen',
|
|
),
|
|
),
|
|
);
|
|
// Library Two.
|
|
$libraries['library-2'] = array(
|
|
'title' => 'Library Two',
|
|
'website' => 'http://example.com/library-2',
|
|
'version' => '3.1-beta1',
|
|
'js' => array(
|
|
// JavaScript settings may use the 'data' key.
|
|
array(
|
|
'type' => 'setting',
|
|
'data' => array('library2' => TRUE),
|
|
),
|
|
),
|
|
'dependencies' => array(
|
|
// Require jQuery UI core by System module.
|
|
array('system' => 'ui'),
|
|
// Require our other library.
|
|
array('my_module', 'library-1'),
|
|
// Require another library.
|
|
array('other_module', 'library-3'),
|
|
),
|
|
);
|
|
return $libraries;
|
|
}
|
|
|
|
/**
|
|
* Alters the JavaScript/CSS library registry.
|
|
*
|
|
* Allows certain, contributed modules to update libraries to newer versions
|
|
* while ensuring backwards compatibility. In general, such manipulations should
|
|
* only be done by designated modules, since most modules that integrate with a
|
|
* certain library also depend on the API of a certain library version.
|
|
*
|
|
* @param $libraries
|
|
* The JavaScript/CSS libraries provided by $module. Keyed by internal library
|
|
* name and passed by reference.
|
|
* @param $module
|
|
* The name of the module that registered the libraries.
|
|
*
|
|
* @see hook_library()
|
|
*/
|
|
function hook_library_alter(&$libraries, $module) {
|
|
// Update Farbtastic to version 2.0.
|
|
if ($module == 'system' && isset($libraries['farbtastic'])) {
|
|
// Verify existing version is older than the one we are updating to.
|
|
if (version_compare($libraries['farbtastic']['version'], '2.0', '<')) {
|
|
// Update the existing Farbtastic to version 2.0.
|
|
$libraries['farbtastic']['version'] = '2.0';
|
|
$libraries['farbtastic']['js'] = array(
|
|
drupal_get_path('module', 'farbtastic_update') . '/farbtastic-2.0.js' => array(),
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Alter CSS files before they are output on the page.
|
|
*
|
|
* @param $css
|
|
* An array of all CSS items (files and inline CSS) being requested on the page.
|
|
* @see drupal_add_css()
|
|
* @see drupal_get_css()
|
|
*/
|
|
function hook_css_alter(&$css) {
|
|
// Remove defaults.css file.
|
|
unset($css[drupal_get_path('module', 'system') . '/defaults.css']);
|
|
}
|
|
|
|
/**
|
|
* Alter the commands that are sent to the user through the AJAX framework.
|
|
*
|
|
* @param $commands
|
|
* An array of all commands that will be sent to the user.
|
|
* @see ajax_render()
|
|
*/
|
|
function hook_ajax_render_alter($commands) {
|
|
// Inject any new status messages into the content area.
|
|
$commands[] = ajax_command_prepend('#block-system-main .content', theme('status_messages'));
|
|
}
|
|
|
|
/**
|
|
* Add elements to a page before it is rendered.
|
|
*
|
|
* Use this hook when you want to add elements at the page level. For your
|
|
* additions to be printed, they have to be placed below a top level array key
|
|
* of the $page array that has the name of a region of the active theme.
|
|
*
|
|
* By default, valid region keys are 'page_top', 'header', 'sidebar_first',
|
|
* 'content', 'sidebar_second' and 'page_bottom'. To get a list of all regions
|
|
* of the active theme, use system_region_list($theme). Note that $theme is a
|
|
* global variable.
|
|
*
|
|
* If you want to alter the elements added by other modules or if your module
|
|
* depends on the elements of other modules, use hook_page_alter() instead which
|
|
* runs after this hook.
|
|
*
|
|
* @param $page
|
|
* Nested array of renderable elements that make up the page.
|
|
*
|
|
* @see hook_page_alter()
|
|
* @see drupal_render_page()
|
|
*/
|
|
function hook_page_build(&$page) {
|
|
if (menu_get_object('node', 1)) {
|
|
// We are on a node detail page. Append a standard disclaimer to the
|
|
// content region.
|
|
$page['content']['disclaimer'] = array(
|
|
'#markup' => t('Acme, Inc. is not responsible for the contents of this sample code.'),
|
|
'#weight' => 25,
|
|
);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Perform alterations before a page is rendered.
|
|
*
|
|
* Use this hook when you want to remove or alter elements at the page
|
|
* level, or add elements at the page level that depend on an other module's
|
|
* elements (this hook runs after hook_page_build().
|
|
*
|
|
* If you are making changes to entities such as forms, menus, or user
|
|
* profiles, use those objects' native alter hooks instead (hook_form_alter(),
|
|
* for example).
|
|
*
|
|
* The $page array contains top level elements for each block region:
|
|
* @code
|
|
* $page['page_top']
|
|
* $page['header']
|
|
* $page['sidebar_first']
|
|
* $page['content']
|
|
* $page['sidebar_second']
|
|
* $page['page_bottom']
|
|
* @endcode
|
|
*
|
|
* The 'content' element contains the main content of the current page, and its
|
|
* structure will vary depending on what module is responsible for building the
|
|
* page. Some legacy modules may not return structured content at all: their
|
|
* pre-rendered markup will be located in $page['content']['main']['#markup'].
|
|
*
|
|
* Pages built by Drupal's core Node and Blog modules use a standard structure:
|
|
*
|
|
* @code
|
|
* // Node body.
|
|
* $page['content']['nodes'][$nid]['body']
|
|
* // Array of links attached to the node (add comments, read more).
|
|
* $page['content']['nodes'][$nid]['links']
|
|
* // The node object itself.
|
|
* $page['content']['nodes'][$nid]['#node']
|
|
* // The results pager.
|
|
* $page['content']['pager']
|
|
* @endcode
|
|
*
|
|
* Blocks may be referenced by their module/delta pair within a region:
|
|
* @code
|
|
* // The login block in the first sidebar region.
|
|
* $page['sidebar_first']['user_login']['#block'];
|
|
* @endcode
|
|
*
|
|
* @param $page
|
|
* Nested array of renderable elements that make up the page.
|
|
*
|
|
* @see hook_page_build()
|
|
* @see drupal_render_page()
|
|
*/
|
|
function hook_page_alter(&$page) {
|
|
// Add help text to the user login block.
|
|
$page['sidebar_first']['user_login']['help'] = array(
|
|
'#weight' => -10,
|
|
'#markup' => t('To post comments or add new content, you first have to log in.'),
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Perform alterations before a form is rendered.
|
|
*
|
|
* One popular use of this hook is to add form elements to the node form. When
|
|
* altering a node form, the node object retrieved at from $form['#node'].
|
|
*
|
|
* Note that instead of hook_form_alter(), which is called for all forms, you
|
|
* can also use hook_form_FORM_ID_alter() to alter a specific form.
|
|
*
|
|
* @param $form
|
|
* Nested array of form elements that comprise the form.
|
|
* @param $form_state
|
|
* A keyed array containing the current state of the form.
|
|
* @param $form_id
|
|
* String representing the name of the form itself. Typically this is the
|
|
* name of the function that generated the form.
|
|
*/
|
|
function hook_form_alter(&$form, &$form_state, $form_id) {
|
|
if (isset($form['type']) && $form['type']['#value'] . '_node_settings' == $form_id) {
|
|
$form['workflow']['upload_' . $form['type']['#value']] = array(
|
|
'#type' => 'radios',
|
|
'#title' => t('Attachments'),
|
|
'#default_value' => variable_get('upload_' . $form['type']['#value'], 1),
|
|
'#options' => array(t('Disabled'), t('Enabled')),
|
|
);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Provide a form-specific alteration instead of the global hook_form_alter().
|
|
*
|
|
* Modules can implement hook_form_FORM_ID_alter() to modify a specific form,
|
|
* rather than implementing hook_form_alter() and checking the form ID, or
|
|
* using long switch statements to alter multiple forms.
|
|
*
|
|
* Note that this hook fires before hook_form_alter(). Therefore all
|
|
* implementations of hook_form_FORM_ID_alter() will run before all implementations
|
|
* of hook_form_alter(), regardless of the module order.
|
|
*
|
|
* @param $form
|
|
* Nested array of form elements that comprise the form.
|
|
* @param $form_state
|
|
* A keyed array containing the current state of the form.
|
|
*
|
|
* @see drupal_prepare_form().
|
|
*/
|
|
function hook_form_FORM_ID_alter(&$form, &$form_state) {
|
|
// Modification for the form with the given form ID goes here. For example, if
|
|
// FORM_ID is "user_register_form" this code would run only on the user
|
|
// registration form.
|
|
|
|
// Add a checkbox to registration form about agreeing to terms of use.
|
|
$form['terms_of_use'] = array(
|
|
'#type' => 'checkbox',
|
|
'#title' => t("I agree with the website's terms and conditions."),
|
|
'#required' => TRUE,
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Map form_ids to form builder functions.
|
|
*
|
|
* By default, when drupal_get_form() is called, the system will look for a
|
|
* function with the same name as the form ID, and use that function to build
|
|
* the form. This hook allows you to override that behavior in two ways.
|
|
*
|
|
* First, you can use this hook to tell the form system to use a different
|
|
* function to build certain forms in your module; this is often used to define
|
|
* a form "factory" function that is used to build several similar forms. In
|
|
* this case, your hook implementation will likely ignore all of the input
|
|
* arguments. See node_forms() for an example of this.
|
|
*
|
|
* Second, you could use this hook to define how to build a form with a
|
|
* dynamically-generated form ID. In this case, you would need to verify that
|
|
* the $form_id input matched your module's format for dynamically-generated
|
|
* form IDs, and if so, act appropriately.
|
|
*
|
|
* @param $form_id
|
|
* The unique string identifying the desired form.
|
|
* @param $args
|
|
* An array containing the original arguments provided to drupal_get_form()
|
|
* or drupal_form_submit(). These are always passed to the form builder and
|
|
* do not have to be specified manually in 'callback arguments'.
|
|
*
|
|
* @return
|
|
* An associative array whose keys define form_ids and whose values are an
|
|
* associative array defining the following keys:
|
|
* - callback: The name of the form builder function to invoke.
|
|
* - callback arguments: (optional) Additional arguments to pass to the
|
|
* function defined in 'callback', which are prepended to $args.
|
|
* - wrapper_callback: (optional) The name of a form builder function to
|
|
* invoke before the form builder defined in 'callback' is invoked. This
|
|
* wrapper callback may prepopulate the $form array with form elements,
|
|
* which will then be already contained in the $form that is passed on to
|
|
* the form builder defined in 'callback'. For example, a wrapper callback
|
|
* could setup wizard-alike form buttons that are the same for a variety of
|
|
* forms that belong to the wizard, which all share the same wrapper
|
|
* callback.
|
|
*/
|
|
function hook_forms($form_id, $args) {
|
|
// Simply reroute the (non-existing) $form_id 'mymodule_first_form' to
|
|
// 'mymodule_main_form'.
|
|
$forms['mymodule_first_form'] = array(
|
|
'callback' => 'mymodule_main_form',
|
|
);
|
|
|
|
// Reroute the $form_id and prepend an additional argument that gets passed to
|
|
// the 'mymodule_main_form' form builder function.
|
|
$forms['mymodule_second_form'] = array(
|
|
'callback' => 'mymodule_main_form',
|
|
'callback arguments' => array('some parameter'),
|
|
);
|
|
|
|
// Reroute the $form_id, but invoke the form builder function
|
|
// 'mymodule_main_form_wrapper' first, so we can prepopulate the $form array
|
|
// that is passed to the actual form builder 'mymodule_main_form'.
|
|
$forms['mymodule_wrapped_form'] = array(
|
|
'callback' => 'mymodule_main_form',
|
|
'wrapper_callback' => 'mymodule_main_form_wrapper',
|
|
);
|
|
|
|
return $forms;
|
|
}
|
|
|
|
/**
|
|
* Perform setup tasks. See also, hook_init.
|
|
*
|
|
* This hook is run at the beginning of the page request. It is typically
|
|
* used to set up global parameters which are needed later in the request.
|
|
*
|
|
* Only use this hook if your code must run even for cached page views.This hook
|
|
* is called before modules or most include files are loaded into memory.
|
|
* It happens while Drupal is still in bootstrap mode.
|
|
*/
|
|
function hook_boot() {
|
|
// we need user_access() in the shutdown function. make sure it gets loaded
|
|
drupal_load('module', 'user');
|
|
drupal_register_shutdown_function('devel_shutdown');
|
|
}
|
|
|
|
/**
|
|
* Perform setup tasks. See also, hook_boot.
|
|
*
|
|
* This hook is run at the beginning of the page request. It is typically
|
|
* used to set up global parameters which are needed later in the request.
|
|
* when this hook is called, all modules are already loaded in memory.
|
|
*
|
|
* For example, this hook is a typical place for modules to add CSS or JS
|
|
* that should be present on every page. This hook is not run on cached
|
|
* pages - though CSS or JS added this way will be present on a cached page.
|
|
*/
|
|
function hook_init() {
|
|
drupal_add_css(drupal_get_path('module', 'book') . '/book.css');
|
|
}
|
|
|
|
/**
|
|
* Define image toolkits provided by this module.
|
|
*
|
|
* The file which includes each toolkit's functions must be declared as part of
|
|
* the files array in the module .info file so that the registry will find and
|
|
* parse it.
|
|
*
|
|
* The toolkit's functions must be named image_toolkitname_operation().
|
|
* where the operation may be:
|
|
* - 'load': Required. See image_gd_load() for usage.
|
|
* - 'save': Required. See image_gd_save() for usage.
|
|
* - 'settings': Optional. See image_gd_settings() for usage.
|
|
* - 'resize': Optional. See image_gd_resize() for usage.
|
|
* - 'rotate': Optional. See image_gd_rotate() for usage.
|
|
* - 'crop': Optional. See image_gd_crop() for usage.
|
|
* - 'desaturate': Optional. See image_gd_desaturate() for usage.
|
|
*
|
|
* @return
|
|
* An array with the toolkit name as keys and sub-arrays with these keys:
|
|
* - 'title': A string with the toolkit's title.
|
|
* - 'available': A Boolean value to indicate that the toolkit is operating
|
|
* properly, e.g. all required libraries exist.
|
|
*
|
|
* @see system_image_toolkits()
|
|
*/
|
|
function hook_image_toolkits() {
|
|
return array(
|
|
'working' => array(
|
|
'title' => t('A toolkit that works.'),
|
|
'available' => TRUE,
|
|
),
|
|
'broken' => array(
|
|
'title' => t('A toolkit that is "broken" and will not be listed.'),
|
|
'available' => FALSE,
|
|
),
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Alter an email message created with the drupal_mail() function.
|
|
*
|
|
* hook_mail_alter() allows modification of email messages created and sent
|
|
* with drupal_mail(). Usage examples include adding and/or changing message
|
|
* text, message fields, and message headers.
|
|
*
|
|
* Email messages sent using functions other than drupal_mail() will not
|
|
* invoke hook_mail_alter(). For example, a contributed module directly
|
|
* calling the drupal_mail_system()->mail() or PHP mail() function
|
|
* will not invoke this hook. All core modules use drupal_mail() for
|
|
* messaging, it is best practice but not mandatory in contributed modules.
|
|
*
|
|
* @param $message
|
|
* An array containing the message data. Keys in this array include:
|
|
* - 'id':
|
|
* The drupal_mail() id of the message. Look at module source code or
|
|
* drupal_mail() for possible id values.
|
|
* - 'to':
|
|
* The address or addresses the message will be sent to. The
|
|
* formatting of this string must comply with RFC 2822.
|
|
* - 'from':
|
|
* The address the message will be marked as being from, which is
|
|
* either a custom address or the site-wide default email address.
|
|
* - 'subject':
|
|
* Subject of the email to be sent. This must not contain any newline
|
|
* characters, or the email may not be sent properly.
|
|
* - 'body':
|
|
* An array of strings containing the message text. The message body is
|
|
* created by concatenating the individual array strings into a single text
|
|
* string using "\n\n" as a separator.
|
|
* - 'headers':
|
|
* Associative array containing mail headers, such as From, Sender,
|
|
* MIME-Version, Content-Type, etc.
|
|
* - 'params':
|
|
* An array of optional parameters supplied by the caller of drupal_mail()
|
|
* that is used to build the message before hook_mail_alter() is invoked.
|
|
* - 'language':
|
|
* The language object used to build the message before hook_mail_alter()
|
|
* is invoked.
|
|
*
|
|
* @see drupal_mail()
|
|
*/
|
|
function hook_mail_alter(&$message) {
|
|
if ($message['id'] == 'modulename_messagekey') {
|
|
$message['body'][] = "--\nMail sent out from " . variable_get('sitename', t('Drupal'));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Alter the information parsed from module and theme .info files
|
|
*
|
|
* This hook is invoked in _system_rebuild_module_data() and in
|
|
* _system_rebuild_theme_data(). A module may implement this hook in order to
|
|
* add to or alter the data generated by reading the .info file with
|
|
* drupal_parse_info_file().
|
|
*
|
|
* @param &$info
|
|
* The .info file contents, passed by reference so that it can be altered.
|
|
* @param $file
|
|
* Full information about the module or theme, including $file->name, and
|
|
* $file->filename
|
|
* @param $type
|
|
* Either 'module' or 'theme', depending on the type of .info file that was
|
|
* passed.
|
|
*/
|
|
function hook_system_info_alter(&$info, $file, $type) {
|
|
// Only fill this in if the .info file does not define a 'datestamp'.
|
|
if (empty($info['datestamp'])) {
|
|
$info['datestamp'] = filemtime($file->filename);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Define user permissions.
|
|
*
|
|
* This hook can supply permissions that the module defines, so that they
|
|
* can be selected on the user permissions page and used to grant or restrict
|
|
* access to actions the module performs.
|
|
*
|
|
* Permissions are checked using user_access().
|
|
*
|
|
* For a detailed usage example, see page_example.module.
|
|
*
|
|
* @return
|
|
* An array of which permission names are the keys and their corresponding
|
|
* values are descriptions of each permission.
|
|
* The permission names (keys of the array) must not be wrapped with
|
|
* the t() function, since the string extractor takes care of
|
|
* extracting permission names defined in the perm hook for
|
|
* translation. The permission descriptions (values of the array)
|
|
* should be wrapped in the t() function so they can be translated.
|
|
*/
|
|
function hook_permission() {
|
|
return array(
|
|
'administer my module' => array(
|
|
'title' => t('Administer my module'),
|
|
'description' => t('Perform administration tasks for my module.'),
|
|
),
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Register a module (or theme's) theme implementations.
|
|
*
|
|
* Modules and themes implementing this return an array of arrays. The key
|
|
* to each sub-array is the internal name of the hook, and the array contains
|
|
* info about the hook. Each array may contain the following items:
|
|
*
|
|
* - variables: (required if "render element" not present) An array of
|
|
* variables that this theme hook uses. This value allows the theme layer to
|
|
* properly utilize templates. Each array key represents the name of the
|
|
* variable and the value will be used as the default value if it is not given
|
|
* when theme() is called. Template implementations receive these arguments as
|
|
* variables in the template file. Function implementations are passed this
|
|
* array data in the $variables parameter.
|
|
* - render element: (required if "variables" not present) A string that is the
|
|
* name of the sole renderable element to pass to the theme function. The
|
|
* string represents the name of the "variable" that will hold the renderable
|
|
* array inside any optional preprocess or process functions. Cannot be used
|
|
* with the "variables" item; only one or the other, not both, can be present
|
|
* in a hook's info array.
|
|
* - file: The file the implementation resides in. This file will be included
|
|
* prior to the theme being rendered, to make sure that the function or
|
|
* preprocess function (as needed) is actually loaded; this makes it possible
|
|
* to split theme functions out into separate files quite easily.
|
|
* - path: Override the path of the file to be used. Ordinarily the module or
|
|
* theme path will be used, but if the file will not be in the default path,
|
|
* include it here. This path should be relative to the Drupal root
|
|
* directory.
|
|
* - template: If specified, this theme implementation is a template, and this
|
|
* is the template file <b>without an extension</b>. Do not put .tpl.php
|
|
* on this file; that extension will be added automatically by the default
|
|
* rendering engine (which is PHPTemplate). If 'path', above, is specified,
|
|
* the template should also be in this path.
|
|
* - function: If specified, this will be the function name to invoke for this
|
|
* implementation. If neither file nor function is specified, a default
|
|
* function name will be assumed. For example, if a module registers
|
|
* the 'node' theme hook, 'theme_node' will be assigned to its function.
|
|
* If the chameleon theme registers the node hook, it will be assigned
|
|
* 'chameleon_node' as its function.
|
|
* - pattern: A regular expression pattern to be used to allow this theme
|
|
* implementation to have a dynamic name. The convention is to use __ to
|
|
* differentiate the dynamic portion of the theme. For example, to allow
|
|
* forums to be themed individually, the pattern might be: 'forum__'. Then,
|
|
* when the forum is themed, call: <code>theme(array('forum__' . $tid, 'forum'),
|
|
* $forum)</code>.
|
|
* - preprocess functions: A list of functions used to preprocess this data.
|
|
* Ordinarily this won't be used; it's automatically filled in. By default,
|
|
* for a module this will be filled in as template_preprocess_HOOK. For
|
|
* a theme this will be filled in as phptemplate_preprocess and
|
|
* phptemplate_preprocess_HOOK as well as themename_preprocess and
|
|
* themename_preprocess_HOOK.
|
|
* - override preprocess functions: Set to TRUE when a theme does NOT want the
|
|
* standard preprocess functions to run. This can be used to give a theme
|
|
* FULL control over how variables are set. For example, if a theme wants
|
|
* total control over how certain variables in the page.tpl.php are set,
|
|
* this can be set to true. Please keep in mind that when this is used
|
|
* by a theme, that theme becomes responsible for making sure necessary
|
|
* variables are set.
|
|
* - type: (automatically derived) Where the theme hook is defined:
|
|
* 'module', 'theme_engine', or 'theme'.
|
|
* - theme path: (automatically derived) The directory path of the theme or
|
|
* module, so that it doesn't need to be looked up.
|
|
*
|
|
* The following parameters are all optional.
|
|
*
|
|
* @param $existing
|
|
* An array of existing implementations that may be used for override
|
|
* purposes. This is primarily useful for themes that may wish to examine
|
|
* existing implementations to extract data (such as arguments) so that
|
|
* it may properly register its own, higher priority implementations.
|
|
* @param $type
|
|
* What 'type' is being processed. This is primarily useful so that themes
|
|
* tell if they are the actual theme being called or a parent theme.
|
|
* May be one of:
|
|
* - module: A module is being checked for theme implementations.
|
|
* - base_theme_engine: A theme engine is being checked for a theme which is a parent of the actual theme being used.
|
|
* - theme_engine: A theme engine is being checked for the actual theme being used.
|
|
* - base_theme: A base theme is being checked for theme implementations.
|
|
* - theme: The actual theme in use is being checked.
|
|
* @param $theme
|
|
* The actual name of theme that is being being checked (mostly only useful for
|
|
* theme engine).
|
|
* @param $path
|
|
* The directory path of the theme or module, so that it doesn't need to be
|
|
* looked up.
|
|
*
|
|
* @return
|
|
* A keyed array of theme hooks.
|
|
*/
|
|
function hook_theme($existing, $type, $theme, $path) {
|
|
return array(
|
|
'forum_display' => array(
|
|
'variables' => array('forums' => NULL, 'topics' => NULL, 'parents' => NULL, 'tid' => NULL, 'sortby' => NULL, 'forum_per_page' => NULL),
|
|
),
|
|
'forum_list' => array(
|
|
'variables' => array('forums' => NULL, 'parents' => NULL, 'tid' => NULL),
|
|
),
|
|
'forum_topic_list' => array(
|
|
'variables' => array('tid' => NULL, 'topics' => NULL, 'sortby' => NULL, 'forum_per_page' => NULL),
|
|
),
|
|
'forum_icon' => array(
|
|
'variables' => array('new_posts' => NULL, 'num_posts' => 0, 'comment_mode' => 0, 'sticky' => 0),
|
|
),
|
|
'status_report' => array(
|
|
'render element' => 'requirements',
|
|
'file' => 'system.admin.inc',
|
|
),
|
|
'system_date_time_settings' => array(
|
|
'render element' => 'form',
|
|
'file' => 'system.admin.inc',
|
|
),
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Alter the theme registry information returned from hook_theme().
|
|
*
|
|
* The theme registry stores information about all available theme hooks,
|
|
* including which callback functions those hooks will call when triggered,
|
|
* what template files are exposed by these hooks, and so on.
|
|
*
|
|
* Note that this hook is only executed as the theme cache is re-built.
|
|
* Changes here will not be visible until the next cache clear.
|
|
*
|
|
* The $theme_registry array is keyed by theme hook name, and contains the
|
|
* information returned from hook_theme(), as well as additional properties
|
|
* added by _theme_process_registry().
|
|
*
|
|
* For example:
|
|
* @code
|
|
* $theme_registry['user_profile'] = array(
|
|
* 'variables' => array(
|
|
* 'account' => NULL,
|
|
* ),
|
|
* 'template' => 'modules/user/user-profile',
|
|
* 'file' => 'modules/user/user.pages.inc',
|
|
* 'type' => 'module',
|
|
* 'theme path' => 'modules/user',
|
|
* 'preprocess functions' => array(
|
|
* 0 => 'template_preprocess',
|
|
* 1 => 'template_preprocess_user_profile',
|
|
* ),
|
|
* )
|
|
* );
|
|
* @endcode
|
|
*
|
|
* @param $theme_registry
|
|
* The entire cache of theme registry information, post-processing.
|
|
* @see hook_theme()
|
|
* @see _theme_process_registry()
|
|
*/
|
|
function hook_theme_registry_alter(&$theme_registry) {
|
|
// Kill the next/previous forum topic navigation links.
|
|
foreach ($theme_registry['forum_topic_navigation']['preprocess functions'] as $key => $value) {
|
|
if ($value = 'template_preprocess_forum_topic_navigation') {
|
|
unset($theme_registry['forum_topic_navigation']['preprocess functions'][$key]);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return the machine-readable name of the theme to use for the current page.
|
|
*
|
|
* This hook can be used to dynamically set the theme for the current page
|
|
* request. It overrides the default theme as well as any per-page or
|
|
* per-section theme set by the theme callback function in hook_menu(). This
|
|
* should be used by modules which need to override the theme based on dynamic
|
|
* conditions.
|
|
*
|
|
* Since only one theme can be used at a time, the last (i.e., highest
|
|
* weighted) module which returns a valid theme name from this hook will
|
|
* prevail.
|
|
*
|
|
* @return
|
|
* The machine-readable name of the theme that should be used for the current
|
|
* page request. The value returned from this function will only have an
|
|
* effect if it corresponds to a currently-active theme on the site.
|
|
*/
|
|
function hook_custom_theme() {
|
|
// Allow the user to request a particular theme via a query parameter.
|
|
if (isset($_GET['theme'])) {
|
|
return $_GET['theme'];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Register XML-RPC callbacks.
|
|
*
|
|
* This hook lets a module register callback functions to be called when
|
|
* particular XML-RPC methods are invoked by a client.
|
|
*
|
|
* @return
|
|
* An array which maps XML-RPC methods to Drupal functions. Each array
|
|
* element is either a pair of method => function or an array with four
|
|
* entries:
|
|
* - The XML-RPC method name (for example, module.function).
|
|
* - The Drupal callback function (for example, module_function).
|
|
* - The method signature is an array of XML-RPC types. The first element
|
|
* of this array is the type of return value and then you should write a
|
|
* list of the types of the parameters. XML-RPC types are the following
|
|
* (See the types at http://www.xmlrpc.com/spec):
|
|
* - "boolean": 0 (false) or 1 (true).
|
|
* - "double": a floating point number (for example, -12.214).
|
|
* - "int": a integer number (for example, -12).
|
|
* - "array": an array without keys (for example, array(1, 2, 3)).
|
|
* - "struct": an associative array or an object (for example,
|
|
* array('one' => 1, 'two' => 2)).
|
|
* - "date": when you return a date, then you may either return a
|
|
* timestamp (time(), mktime() etc.) or an ISO8601 timestamp. When
|
|
* date is specified as an input parameter, then you get an object,
|
|
* which is described in the function xmlrpc_date
|
|
* - "base64": a string containing binary data, automatically
|
|
* encoded/decoded automatically.
|
|
* - "string": anything else, typically a string.
|
|
* - A descriptive help string, enclosed in a t() function for translation
|
|
* purposes.
|
|
* Both forms are shown in the example.
|
|
*/
|
|
function hook_xmlrpc() {
|
|
return array(
|
|
'drupal.login' => 'drupal_login',
|
|
array(
|
|
'drupal.site.ping',
|
|
'drupal_directory_ping',
|
|
array('boolean', 'string', 'string', 'string', 'string', 'string'),
|
|
t('Handling ping request'))
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Alter the definition of XML-RPC methods before they are called.
|
|
*
|
|
* This hook lets at module modify the callback definition for already
|
|
* declared XML-RPC methods, when they are being invoked by a client.
|
|
*
|
|
* This hook is invoked by xmlrpc.php. The method definitions are
|
|
* passed in by reference. Each element of the $methods array is one
|
|
* callback definition returned by a module from hook_xmlrpc. Additional
|
|
* methods may be added, or existing items altered.
|
|
*
|
|
* Modules implementing this hook must take care of the fact that
|
|
* hook_xmlrpc allows two distinct and incompatible formats for callback
|
|
* definition, so module must be prepared to handle either format for
|
|
* each callback being altered.
|
|
*
|
|
* @see hook_xmlrpc()
|
|
*
|
|
* @param $methods
|
|
* Associative array of method callback definitions returned from
|
|
* hook_xmlrpc.
|
|
*/
|
|
function hook_xmlrpc_alter(&$methods) {
|
|
|
|
// Direct update for methods defined the simple way
|
|
$methods['drupal.login'] = 'mymodule_login';
|
|
|
|
// Lookup update for methods defined the complex way
|
|
foreach ($methods as $key => &$method) {
|
|
if (!is_int($key)) {
|
|
continue;
|
|
}
|
|
if ($method[0] == 'drupal.site.ping') {
|
|
$method[1] = 'mymodule_directory_ping';
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Log an event message
|
|
*
|
|
* This hook allows modules to route log events to custom destinations, such as
|
|
* SMS, Email, pager, syslog, ...etc.
|
|
*
|
|
* @param $log_entry
|
|
* An associative array containing the following keys:
|
|
* - type: The type of message for this entry. For contributed modules, this is
|
|
* normally the module name. Do not use 'debug', use severity WATCHDOG_DEBUG instead.
|
|
* - user: The user object for the user who was logged in when the event happened.
|
|
* - request_uri: The Request URI for the page the event happened in.
|
|
* - referer: The page that referred the use to the page where the event occurred.
|
|
* - ip: The IP address where the request for the page came from.
|
|
* - timestamp: The UNIX timestamp of the date/time the event occurred
|
|
* - severity: One of the following values as defined in RFC 3164 http://www.faqs.org/rfcs/rfc3164.html
|
|
* WATCHDOG_EMERG Emergency: system is unusable
|
|
* WATCHDOG_ALERT Alert: action must be taken immediately
|
|
* WATCHDOG_CRITICAL Critical: critical conditions
|
|
* WATCHDOG_ERROR Error: error conditions
|
|
* WATCHDOG_WARNING Warning: warning conditions
|
|
* WATCHDOG_NOTICE Notice: normal but significant condition
|
|
* WATCHDOG_INFO Informational: informational messages
|
|
* WATCHDOG_DEBUG Debug: debug-level messages
|
|
* - link: an optional link provided by the module that called the watchdog() function.
|
|
* - message: The text of the message to be logged.
|
|
*/
|
|
function hook_watchdog(array $log_entry) {
|
|
global $base_url, $language;
|
|
|
|
$severity_list = array(
|
|
WATCHDOG_EMERG => t('Emergency'),
|
|
WATCHDOG_ALERT => t('Alert'),
|
|
WATCHDOG_CRITICAL => t('Critical'),
|
|
WATCHDOG_ERROR => t('Error'),
|
|
WATCHDOG_WARNING => t('Warning'),
|
|
WATCHDOG_NOTICE => t('Notice'),
|
|
WATCHDOG_INFO => t('Info'),
|
|
WATCHDOG_DEBUG => t('Debug'),
|
|
);
|
|
|
|
$to = 'someone@example.com';
|
|
$params = array();
|
|
$params['subject'] = t('[@site_name] @severity_desc: Alert from your web site', array(
|
|
'@site_name' => variable_get('site_name', 'Drupal'),
|
|
'@severity_desc' => $severity_list[$log_entry['severity']],
|
|
));
|
|
|
|
$params['message'] = "\nSite: @base_url";
|
|
$params['message'] .= "\nSeverity: (@severity) @severity_desc";
|
|
$params['message'] .= "\nTimestamp: @timestamp";
|
|
$params['message'] .= "\nType: @type";
|
|
$params['message'] .= "\nIP Address: @ip";
|
|
$params['message'] .= "\nRequest URI: @request_uri";
|
|
$params['message'] .= "\nReferrer URI: @referer_uri";
|
|
$params['message'] .= "\nUser: (@uid) @name";
|
|
$params['message'] .= "\nLink: @link";
|
|
$params['message'] .= "\nMessage: \n\n@message";
|
|
|
|
$params['message'] = t($params['message'], array(
|
|
'@base_url' => $base_url,
|
|
'@severity' => $log_entry['severity'],
|
|
'@severity_desc' => $severity_list[$log_entry['severity']],
|
|
'@timestamp' => format_date($log_entry['timestamp']),
|
|
'@type' => $log_entry['type'],
|
|
'@ip' => $log_entry['ip'],
|
|
'@request_uri' => $log_entry['request_uri'],
|
|
'@referer_uri' => $log_entry['referer'],
|
|
'@uid' => $log_entry['user']->uid,
|
|
'@name' => $log_entry['user']->name,
|
|
'@link' => strip_tags($log_entry['link']),
|
|
'@message' => strip_tags($log_entry['message']),
|
|
));
|
|
|
|
drupal_mail('emaillog', 'entry', $to, $language, $params);
|
|
}
|
|
|
|
/**
|
|
* Prepare a message based on parameters; called from drupal_mail().
|
|
*
|
|
* @param $key
|
|
* An identifier of the mail.
|
|
* @param $message
|
|
* An array to be filled in. Keys in this array include:
|
|
* - 'id':
|
|
* An id to identify the mail sent. Look at module source code
|
|
* or drupal_mail() for possible id values.
|
|
* - 'to':
|
|
* The address or addresses the message will be sent to. The
|
|
* formatting of this string must comply with RFC 2822.
|
|
* - 'subject':
|
|
* Subject of the e-mail to be sent. This must not contain any newline
|
|
* characters, or the mail may not be sent properly. drupal_mail() sets
|
|
* this to an empty string when the hook is invoked.
|
|
* - 'body':
|
|
* An array of lines containing the message to be sent. Drupal will format
|
|
* the correct line endings for you. drupal_mail() sets this to an empty
|
|
* array when the hook is invoked.
|
|
* - 'from':
|
|
* The address the message will be marked as being from, which is
|
|
* set by drupal_mail() to either a custom address or the site-wide
|
|
* default email address when the hook is invoked.
|
|
* - 'headers':
|
|
* Associative array containing mail headers, such as From, Sender,
|
|
* MIME-Version, Content-Type, etc. drupal_mail() pre-fills
|
|
* several headers in this array.
|
|
* @param $params
|
|
* An array of parameters supplied by the caller of drupal_mail().
|
|
*/
|
|
function hook_mail($key, &$message, $params) {
|
|
$account = $params['account'];
|
|
$context = $params['context'];
|
|
$variables = array(
|
|
'%site_name' => variable_get('site_name', 'Drupal'),
|
|
'%username' => format_username($account),
|
|
);
|
|
if ($context['hook'] == 'taxonomy') {
|
|
$entity = $params['object'];
|
|
$vocabulary = taxonomy_vocabulary_load($entity->vid);
|
|
$variables += array(
|
|
'%term_name' => $entity->name,
|
|
'%term_description' => $entity->description,
|
|
'%term_id' => $entity->tid,
|
|
'%vocabulary_name' => $vocabulary->name,
|
|
'%vocabulary_description' => $vocabulary->description,
|
|
'%vocabulary_id' => $vocabulary->vid,
|
|
);
|
|
}
|
|
|
|
// Node-based variable translation is only available if we have a node.
|
|
if (isset($params['node'])) {
|
|
$node = $params['node'];
|
|
$variables += array(
|
|
'%uid' => $node->uid,
|
|
'%node_url' => url('node/' . $node->nid, array('absolute' => TRUE)),
|
|
'%node_type' => node_type_get_name($node),
|
|
'%title' => $node->title,
|
|
'%teaser' => $node->teaser,
|
|
'%body' => $node->body,
|
|
);
|
|
}
|
|
$subject = strtr($context['subject'], $variables);
|
|
$body = strtr($context['message'], $variables);
|
|
$message['subject'] .= str_replace(array("\r", "\n"), '', $subject);
|
|
$message['body'][] = drupal_html_to_text($body);
|
|
}
|
|
|
|
/**
|
|
* Add a list of cache tables to be cleared.
|
|
*
|
|
* This hook allows your module to add cache table names to the list of cache
|
|
* tables that will be cleared by the Clear button on the Performance page or
|
|
* whenever drupal_flush_all_caches is invoked.
|
|
*
|
|
* @see drupal_flush_all_caches()
|
|
*
|
|
* @return
|
|
* An array of cache table names.
|
|
*/
|
|
function hook_flush_caches() {
|
|
return array('cache_example');
|
|
}
|
|
|
|
/**
|
|
* Perform necessary actions after modules are installed.
|
|
*
|
|
* This function differs from hook_install() as it gives all other
|
|
* modules a chance to perform actions when a module is installed,
|
|
* whereas hook_install() will only be called on the module actually
|
|
* being installed.
|
|
*
|
|
* @see hook_install()
|
|
*
|
|
* @param $modules
|
|
* An array of the installed modules.
|
|
*/
|
|
function hook_modules_installed($modules) {
|
|
if (in_array('lousy_module', $modules)) {
|
|
variable_set('lousy_module_conflicting_variable', FALSE);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Perform necessary actions after modules are enabled.
|
|
*
|
|
* This function differs from hook_enable() as it gives all other
|
|
* modules a chance to perform actions when modules are enabled,
|
|
* whereas hook_enable() will only be called on the module actually
|
|
* being enabled.
|
|
*
|
|
* @see hook_enable()
|
|
*
|
|
* @param $modules
|
|
* An array of the enabled modules.
|
|
*/
|
|
function hook_modules_enabled($modules) {
|
|
if (in_array('lousy_module', $modules)) {
|
|
drupal_set_message(t('mymodule is not compatible with lousy_module'), 'error');
|
|
mymodule_disable_functionality();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Perform necessary actions after modules are disabled.
|
|
*
|
|
* This function differs from hook_disable() as it gives all other
|
|
* modules a chance to perform actions when modules are disabled,
|
|
* whereas hook_disable() will only be called on the module actually
|
|
* being disabled.
|
|
*
|
|
* @see hook_disable()
|
|
*
|
|
* @param $modules
|
|
* An array of the disabled modules.
|
|
*/
|
|
function hook_modules_disabled($modules) {
|
|
if (in_array('lousy_module', $modules)) {
|
|
mymodule_enable_functionality();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Perform necessary actions after modules are uninstalled.
|
|
*
|
|
* This function differs from hook_uninstall() as it gives all other
|
|
* modules a chance to perform actions when a module is uninstalled,
|
|
* whereas hook_uninstall() will only be called on the module actually
|
|
* being uninstalled.
|
|
*
|
|
* It is recommended that you implement this module if your module
|
|
* stores data that may have been set by other modules.
|
|
*
|
|
* @see hook_uninstall()
|
|
*
|
|
* @param $modules
|
|
* An array of the uninstalled modules.
|
|
*/
|
|
function hook_modules_uninstalled($modules) {
|
|
foreach ($modules as $module) {
|
|
db_delete('mymodule_table')
|
|
->condition('module', $module)
|
|
->execute();
|
|
}
|
|
mymodule_cache_rebuild();
|
|
}
|
|
|
|
/**
|
|
* Registers PHP stream wrapper implementations associated with a module.
|
|
*
|
|
* Provide a facility for managing and querying user-defined stream wrappers
|
|
* in PHP. PHP's internal stream_get_wrappers() doesn't return the class
|
|
* registered to handle a stream, which we need to be able to find the handler
|
|
* for class instantiation.
|
|
*
|
|
* If a module registers a scheme that is already registered with PHP, it will
|
|
* be unregistered and replaced with the specified class.
|
|
*
|
|
* @return
|
|
* A nested array, keyed first by scheme name ("public" for "public://"),
|
|
* then keyed by the following values:
|
|
* - 'name' A short string to name the wrapper.
|
|
* - 'class' A string specifying the PHP class that implements the
|
|
* DrupalStreamWrapperInterface interface.
|
|
* - 'description' A string with a short description of what the wrapper does.
|
|
* - 'type' A bitmask of flags indicating what type of streams this wrapper
|
|
* will access - local or remote, readable and/or writeable, etc. Many
|
|
* shortcut constants are defined in stream_wrappers.inc.
|
|
*
|
|
* @see file_get_stream_wrappers()
|
|
* @see hook_stream_wrappers_alter()
|
|
* @see system_stream_wrappers()
|
|
*/
|
|
function hook_stream_wrappers() {
|
|
return array(
|
|
'public' => array(
|
|
'name' => t('Public files'),
|
|
'class' => 'DrupalPublicStreamWrapper',
|
|
'description' => t('Public local files served by the webserver.'),
|
|
),
|
|
'private' => array(
|
|
'name' => t('Private files'),
|
|
'class' => 'DrupalPrivateStreamWrapper',
|
|
'description' => t('Private local files served by Drupal.'),
|
|
),
|
|
'temp' => array(
|
|
'name' => t('Temporary files'),
|
|
'class' => 'DrupalTempStreamWrapper',
|
|
'description' => t('Temporary local files for upload and previews.'),
|
|
'type' => STREAM_WRAPPERS_HIDDEN,
|
|
)
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Alters the list of PHP stream wrapper implementations.
|
|
*
|
|
* @see file_get_stream_wrappers()
|
|
* @see hook_stream_wrappers()
|
|
*/
|
|
function hook_stream_wrappers_alter(&$wrappers) {
|
|
// Change the name of private files to reflect the performance.
|
|
$wrappers['private']['name'] = t('Slow files');
|
|
}
|
|
|
|
/**
|
|
* Load additional information into file objects.
|
|
*
|
|
* file_load_multiple() calls this hook to allow modules to load
|
|
* additional information into each file.
|
|
*
|
|
* @param $files
|
|
* An array of file objects, indexed by fid.
|
|
*
|
|
* @see file_load_multiple()
|
|
* @see upload_file_load()
|
|
*/
|
|
function hook_file_load($files) {
|
|
// Add the upload specific data into the file object.
|
|
$result = db_query('SELECT * FROM {upload} u WHERE u.fid IN (:fids)', array(':fids' => array_keys($files)))->fetchAll(PDO::FETCH_ASSOC);
|
|
foreach ($result as $record) {
|
|
foreach ($record as $key => $value) {
|
|
$files[$record['fid']]->$key = $value;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check that files meet a given criteria.
|
|
*
|
|
* This hook lets modules perform additional validation on files. They're able
|
|
* to report a failure by returning one or more error messages.
|
|
*
|
|
* @param $file
|
|
* The file object being validated.
|
|
* @return
|
|
* An array of error messages. If there are no problems with the file return
|
|
* an empty array.
|
|
*
|
|
* @see file_validate()
|
|
*/
|
|
function hook_file_validate(&$file) {
|
|
$errors = array();
|
|
|
|
if (empty($file->filename)) {
|
|
$errors[] = t("The file's name is empty. Please give a name to the file.");
|
|
}
|
|
if (strlen($file->filename) > 255) {
|
|
$errors[] = t("The file's name exceeds the 255 characters limit. Please rename the file and try again.");
|
|
}
|
|
|
|
return $errors;
|
|
}
|
|
|
|
/**
|
|
* Respond to a file being added.
|
|
*
|
|
* This hook is called when a file has been added to the database. The hook
|
|
* doesn't distinguish between files created as a result of a copy or those
|
|
* created by an upload.
|
|
*
|
|
* @param $file
|
|
* The file that has just been created.
|
|
*
|
|
* @see file_save()
|
|
*/
|
|
function hook_file_insert(&$file) {
|
|
|
|
}
|
|
|
|
/**
|
|
* Respond to a file being updated.
|
|
*
|
|
* This hook is called when file_save() is called on an existing file.
|
|
*
|
|
* @param $file
|
|
* The file that has just been updated.
|
|
*
|
|
* @see file_save()
|
|
*/
|
|
function hook_file_update(&$file) {
|
|
|
|
}
|
|
|
|
/**
|
|
* Respond to a file that has been copied.
|
|
*
|
|
* @param $file
|
|
* The newly copied file object.
|
|
* @param $source
|
|
* The original file before the copy.
|
|
*
|
|
* @see file_copy()
|
|
*/
|
|
function hook_file_copy($file, $source) {
|
|
|
|
}
|
|
|
|
/**
|
|
* Respond to a file that has been moved.
|
|
*
|
|
* @param $file
|
|
* The updated file object after the move.
|
|
* @param $source
|
|
* The original file object before the move.
|
|
*
|
|
* @see file_move()
|
|
*/
|
|
function hook_file_move($file, $source) {
|
|
|
|
}
|
|
|
|
/**
|
|
* Report the number of times a file is referenced by a module.
|
|
*
|
|
* This hook is called to determine if a files is in use. Multiple modules may
|
|
* be referencing the same file and to prevent one from deleting a file used by
|
|
* another this hook is called.
|
|
*
|
|
* @param $file
|
|
* The file object being checked for references.
|
|
* @return
|
|
* If the module uses this file return an array with the module name as the
|
|
* key and the value the number of times the file is used.
|
|
*
|
|
* @see file_delete()
|
|
* @see upload_file_references()
|
|
*/
|
|
function hook_file_references($file) {
|
|
// If upload.module is still using a file, do not let other modules delete it.
|
|
$file_used = (bool) db_query_range('SELECT 1 FROM {upload} WHERE fid = :fid', 0, 1, array(':fid' => $file->fid))->fetchField();
|
|
if ($file_used) {
|
|
// Return the name of the module and how many references it has to the file.
|
|
return array('upload' => $count);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Respond to a file being deleted.
|
|
*
|
|
* @param $file
|
|
* The file that has just been deleted.
|
|
*
|
|
* @see file_delete()
|
|
* @see upload_file_delete()
|
|
*/
|
|
function hook_file_delete($file) {
|
|
// Delete all information associated with the file.
|
|
db_delete('upload')->condition('fid', $file->fid)->execute();
|
|
}
|
|
|
|
/**
|
|
* Control access to private file downloads and specify HTTP headers.
|
|
*
|
|
* This hook allows modules enforce permissions on file downloads when the
|
|
* private file download method is selected. Modules can also provide headers
|
|
* to specify information like the file's name or MIME type.
|
|
*
|
|
* @param $uri
|
|
* The URI of the file.
|
|
* @return
|
|
* If the user does not have permission to access the file, return -1. If the
|
|
* user has permission, return an array with the appropriate headers. If the
|
|
* file is not controlled by the current module, the return value should be
|
|
* NULL.
|
|
*
|
|
* @see file_download()
|
|
* @see upload_file_download()
|
|
*/
|
|
function hook_file_download($uri) {
|
|
// Check if the file is controlled by the current module.
|
|
if (!file_prepare_directory($uri)) {
|
|
$uri = FALSE;
|
|
}
|
|
$result = db_query("SELECT f.* FROM {file} f INNER JOIN {upload} u ON f.fid = u.fid WHERE uri = :uri", array('uri' => $uri));
|
|
foreach ($result as $file) {
|
|
if (!user_access('view uploaded files')) {
|
|
return -1;
|
|
}
|
|
return array(
|
|
'Content-Type' => $file->filemime,
|
|
'Content-Length' => $file->filesize,
|
|
);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Alter the URL to a file.
|
|
*
|
|
* This hook is called from file_create_url(), and is called fairly
|
|
* frequently (10+ times per page), depending on how many files there are in a
|
|
* given page.
|
|
* If CSS and JS aggregation are disabled, this can become very frequently
|
|
* (50+ times per page) so performance is critical.
|
|
*
|
|
* This function should alter the URI, if it wants to rewrite the file URL.
|
|
*
|
|
* @param $uri
|
|
* The URI to a file for which we need an external URL, or the path to a
|
|
* shipped file.
|
|
*/
|
|
function hook_file_url_alter(&$uri) {
|
|
global $user;
|
|
|
|
// User 1 will always see the local file in this example.
|
|
if ($user->uid == 1) {
|
|
return;
|
|
}
|
|
|
|
$cdn1 = 'http://cdn1.example.com';
|
|
$cdn2 = 'http://cdn2.example.com';
|
|
$cdn_extensions = array('css', 'js', 'gif', 'jpg', 'jpeg', 'png');
|
|
|
|
// Most CDNs don't support private file transfers without a lot of hassle,
|
|
// so don't support this in the common case.
|
|
$schemes = array('public');
|
|
|
|
$scheme = file_uri_scheme($uri);
|
|
|
|
// Only serve shipped files and public created files from the CDN.
|
|
if (!$scheme || in_array($scheme, $schemes)) {
|
|
// Shipped files.
|
|
if (!$scheme) {
|
|
$path = $uri;
|
|
}
|
|
// Public created files.
|
|
else {
|
|
$wrapper = file_stream_wrapper_get_instance_by_scheme($scheme);
|
|
$path = $wrapper->getDirectoryPath() . '/' . file_uri_target($uri);
|
|
}
|
|
|
|
// Clean up Windows paths.
|
|
$path = str_replace('\\', '/', $path);
|
|
|
|
// Serve files with one of the CDN extensions from CDN 1, all others from
|
|
// CDN 2.
|
|
$pathinfo = pathinfo($path);
|
|
if (array_key_exists('extension', $pathinfo) && in_array($pathinfo['extension'], $cdn_extensions)) {
|
|
$uri = $cdn1 . '/' . $path;
|
|
}
|
|
else {
|
|
$uri = $cdn2 . '/' . $path;
|
|
}
|
|
}
|
|
}
|
|
/**
|
|
* Check installation requirements and do status reporting.
|
|
*
|
|
* This hook has two closely related uses, determined by the $phase argument:
|
|
* checking installation requirements ($phase == 'install')
|
|
* and status reporting ($phase == 'runtime').
|
|
*
|
|
* Note that this hook, like all others dealing with installation and updates,
|
|
* must reside in a module_name.install file, or it will not properly abort
|
|
* the installation of the module if a critical requirement is missing.
|
|
*
|
|
* During the 'install' phase, modules can for example assert that
|
|
* library or server versions are available or sufficient.
|
|
* Note that the installation of a module can happen during installation of
|
|
* Drupal itself (by install.php) with an installation profile or later by hand.
|
|
* As a consequence, install-time requirements must be checked without access
|
|
* to the full Drupal API, because it is not available during install.php.
|
|
* For localization you should for example use $t = get_t() to
|
|
* retrieve the appropriate localization function name (t() or st()).
|
|
* If a requirement has a severity of REQUIREMENT_ERROR, install.php will abort
|
|
* or at least the module will not install.
|
|
* Other severity levels have no effect on the installation.
|
|
* Module dependencies do not belong to these installation requirements,
|
|
* but should be defined in the module's .info file.
|
|
*
|
|
* The 'runtime' phase is not limited to pure installation requirements
|
|
* but can also be used for more general status information like maintenance
|
|
* tasks and security issues.
|
|
* The returned 'requirements' will be listed on the status report in the
|
|
* administration section, with indication of the severity level.
|
|
* Moreover, any requirement with a severity of REQUIREMENT_ERROR severity will
|
|
* result in a notice on the the administration overview page.
|
|
*
|
|
* @param $phase
|
|
* The phase in which hook_requirements is run:
|
|
* - 'install': the module is being installed.
|
|
* - 'runtime': the runtime requirements are being checked and shown on the
|
|
* status report page.
|
|
*
|
|
* @return
|
|
* A keyed array of requirements. Each requirement is itself an array with
|
|
* the following items:
|
|
* - 'title': the name of the requirement.
|
|
* - 'value': the current value (e.g. version, time, level, ...). During
|
|
* install phase, this should only be used for version numbers, do not set
|
|
* it if not applicable.
|
|
* - 'description': description of the requirement/status.
|
|
* - 'severity': the requirement's result/severity level, one of:
|
|
* - REQUIREMENT_INFO: For info only.
|
|
* - REQUIREMENT_OK: The requirement is satisfied.
|
|
* - REQUIREMENT_WARNING: The requirement failed with a warning.
|
|
* - REQUIREMENT_ERROR: The requirement failed with an error.
|
|
*/
|
|
function hook_requirements($phase) {
|
|
$requirements = array();
|
|
// Ensure translations don't break at install time
|
|
$t = get_t();
|
|
|
|
// Report Drupal version
|
|
if ($phase == 'runtime') {
|
|
$requirements['drupal'] = array(
|
|
'title' => $t('Drupal'),
|
|
'value' => VERSION,
|
|
'severity' => REQUIREMENT_INFO
|
|
);
|
|
}
|
|
|
|
// Test PHP version
|
|
$requirements['php'] = array(
|
|
'title' => $t('PHP'),
|
|
'value' => ($phase == 'runtime') ? l(phpversion(), 'admin/logs/status/php') : phpversion(),
|
|
);
|
|
if (version_compare(phpversion(), DRUPAL_MINIMUM_PHP) < 0) {
|
|
$requirements['php']['description'] = $t('Your PHP installation is too old. Drupal requires at least PHP %version.', array('%version' => DRUPAL_MINIMUM_PHP));
|
|
$requirements['php']['severity'] = REQUIREMENT_ERROR;
|
|
}
|
|
|
|
// Report cron status
|
|
if ($phase == 'runtime') {
|
|
$cron_last = variable_get('cron_last');
|
|
|
|
if (is_numeric($cron_last)) {
|
|
$requirements['cron']['value'] = $t('Last run !time ago', array('!time' => format_interval(REQUEST_TIME - $cron_last)));
|
|
}
|
|
else {
|
|
$requirements['cron'] = array(
|
|
'description' => $t('Cron has not run. It appears cron jobs have not been setup on your system. Check the help pages for <a href="@url">configuring cron jobs</a>.', array('@url' => 'http://drupal.org/cron')),
|
|
'severity' => REQUIREMENT_ERROR,
|
|
'value' => $t('Never run'),
|
|
);
|
|
}
|
|
|
|
$requirements['cron']['description'] .= ' ' . t('You can <a href="@cron">run cron manually</a>.', array('@cron' => url('admin/logs/status/run-cron')));
|
|
|
|
$requirements['cron']['title'] = $t('Cron maintenance tasks');
|
|
}
|
|
|
|
return $requirements;
|
|
}
|
|
|
|
/**
|
|
* Define the current version of the database schema.
|
|
*
|
|
* A Drupal schema definition is an array structure representing one or
|
|
* more tables and their related keys and indexes. A schema is defined by
|
|
* hook_schema() which must live in your module's .install file.
|
|
*
|
|
* By implementing hook_schema() and specifying the tables your module
|
|
* declares, you can easily create and drop these tables on all
|
|
* supported database engines. You don't have to deal with the
|
|
* different SQL dialects for table creation and alteration of the
|
|
* supported database engines.
|
|
*
|
|
* See the Schema API Handbook at http://drupal.org/node/146843 for
|
|
* details on schema definition structures.
|
|
*
|
|
* @return
|
|
* A schema definition structure array. For each element of the
|
|
* array, the key is a table name and the value is a table structure
|
|
* definition.
|
|
*/
|
|
function hook_schema() {
|
|
$schema['node'] = array(
|
|
// example (partial) specification for table "node"
|
|
'description' => 'The base table for nodes.',
|
|
'fields' => array(
|
|
'nid' => array(
|
|
'description' => 'The primary identifier for a node.',
|
|
'type' => 'serial',
|
|
'unsigned' => TRUE,
|
|
'not null' => TRUE),
|
|
'vid' => array(
|
|
'description' => 'The current {node_revision}.vid version identifier.',
|
|
'type' => 'int',
|
|
'unsigned' => TRUE,
|
|
'not null' => TRUE,
|
|
'default' => 0),
|
|
'type' => array(
|
|
'description' => 'The {node_type} of this node.',
|
|
'type' => 'varchar',
|
|
'length' => 32,
|
|
'not null' => TRUE,
|
|
'default' => ''),
|
|
'title' => array(
|
|
'description' => 'The title of this node, always treated a non-markup plain text.',
|
|
'type' => 'varchar',
|
|
'length' => 255,
|
|
'not null' => TRUE,
|
|
'default' => ''),
|
|
),
|
|
'indexes' => array(
|
|
'node_changed' => array('changed'),
|
|
'node_created' => array('created'),
|
|
),
|
|
'unique keys' => array(
|
|
'nid_vid' => array('nid', 'vid'),
|
|
'vid' => array('vid')
|
|
),
|
|
'primary key' => array('nid'),
|
|
);
|
|
return $schema;
|
|
}
|
|
|
|
/**
|
|
* Perform alterations to existing database schemas.
|
|
*
|
|
* When a module modifies the database structure of another module (by
|
|
* changing, adding or removing fields, keys or indexes), it should
|
|
* implement hook_schema_alter() to update the default $schema to take
|
|
* it's changes into account.
|
|
*
|
|
* See hook_schema() for details on the schema definition structure.
|
|
*
|
|
* @param $schema
|
|
* Nested array describing the schemas for all modules.
|
|
*/
|
|
function hook_schema_alter(&$schema) {
|
|
// Add field to existing schema.
|
|
$schema['users']['fields']['timezone_id'] = array(
|
|
'type' => 'int',
|
|
'not null' => TRUE,
|
|
'default' => 0,
|
|
'description' => 'Per-user timezone configuration.',
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Perform alterations to a structured query.
|
|
*
|
|
* Structured (aka dynamic) queries that have tags associated may be altered by any module
|
|
* before the query is executed.
|
|
*
|
|
* @see hook_query_TAG_alter()
|
|
* @see node_query_node_access_alter()
|
|
* @see QueryAlterableInterface
|
|
* @see SelectQueryInterface
|
|
* @param $query
|
|
* A Query object describing the composite parts of a SQL query.
|
|
*/
|
|
function hook_query_alter(QueryAlterableInterface $query) {
|
|
if ($query->hasTag('micro_limit')) {
|
|
$query->range(0, 2);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Perform alterations to a structured query for a given tag.
|
|
*
|
|
* @see hook_query_alter()
|
|
* @see node_query_node_access_alter()
|
|
* @see QueryAlterableInterface
|
|
* @see SelectQueryInterface
|
|
*
|
|
* @param $query
|
|
* An Query object describing the composite parts of a SQL query.
|
|
*/
|
|
function hook_query_TAG_alter(QueryAlterableInterface $query) {
|
|
// Skip the extra expensive alterations if site has no node access control modules.
|
|
if (!node_access_view_all_nodes()) {
|
|
// Prevent duplicates records.
|
|
$query->distinct();
|
|
// The recognized operations are 'view', 'update', 'delete'.
|
|
if (!$op = $query->getMetaData('op')) {
|
|
$op = 'view';
|
|
}
|
|
// Skip the extra joins and conditions for node admins.
|
|
if (!user_access('bypass node access')) {
|
|
// The node_access table has the access grants for any given node.
|
|
$access_alias = $query->join('node_access', 'na', 'na.nid = n.nid');
|
|
$or = db_or();
|
|
// If any grant exists for the specified user, then user has access to the node for the specified operation.
|
|
foreach (node_access_grants($op, $query->getMetaData('account')) as $realm => $gids) {
|
|
foreach ($gids as $gid) {
|
|
$or->condition(db_and()
|
|
->condition("{$access_alias}.gid", $gid)
|
|
->condition("{$access_alias}.realm", $realm)
|
|
);
|
|
}
|
|
}
|
|
|
|
if (count($or->conditions())) {
|
|
$query->condition($or);
|
|
}
|
|
|
|
$query->condition("{$access_alias}.grant_$op", 1, '>=');
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Perform setup tasks when the module is installed.
|
|
*
|
|
* If the module implements hook_schema(), the database tables will
|
|
* be created before this hook is fired.
|
|
*
|
|
* The hook will be called the first time a module is installed, and the
|
|
* module's schema version will be set to the module's greatest numbered update
|
|
* hook. Because of this, anytime a hook_update_N() is added to the module, this
|
|
* function needs to be updated to reflect the current version of the database
|
|
* schema.
|
|
*
|
|
* See the Schema API documentation at
|
|
* @link http://drupal.org/node/146843 http://drupal.org/node/146843 @endlink
|
|
* for details on hook_schema and how database tables are defined.
|
|
*
|
|
* Note that since this function is called from a full bootstrap, all functions
|
|
* (including those in modules enabled by the current page request) are
|
|
* available when this hook is called. Use cases could be displaying a user
|
|
* message, or calling a module function necessary for initial setup, etc.
|
|
*
|
|
* Please be sure that anything added or modified in this function that can
|
|
* be removed during uninstall should be removed with hook_uninstall().
|
|
*
|
|
* @see hook_uninstall()
|
|
* @see hook_schema()
|
|
*/
|
|
function hook_install() {
|
|
// Populate the default {node_access} record.
|
|
db_insert('node_access')
|
|
->fields(array(
|
|
'nid' => 0,
|
|
'gid' => 0,
|
|
'realm' => 'all',
|
|
'grant_view' => 1,
|
|
'grant_update' => 0,
|
|
'grant_delete' => 0,
|
|
))
|
|
->execute();
|
|
}
|
|
|
|
/**
|
|
* Perform a single update.
|
|
*
|
|
* For each patch which requires a database change add a new hook_update_N()
|
|
* which will be called by update.php. The database updates are numbered
|
|
* sequentially according to the version of Drupal you are compatible with.
|
|
*
|
|
* Schema updates should adhere to the Schema API:
|
|
* @link http://drupal.org/node/150215 http://drupal.org/node/150215 @endlink
|
|
*
|
|
* Database updates consist of 3 parts:
|
|
* - 1 digit for Drupal core compatibility
|
|
* - 1 digit for your module's major release version (e.g. is this the 5.x-1.* (1) or 5.x-2.* (2) series of your module?)
|
|
* - 2 digits for sequential counting starting with 00
|
|
*
|
|
* The 2nd digit should be 0 for initial porting of your module to a new Drupal
|
|
* core API.
|
|
*
|
|
* Examples:
|
|
* - mymodule_update_5200()
|
|
* - This is the first update to get the database ready to run mymodule 5.x-2.*.
|
|
* - mymodule_update_6000()
|
|
* - This is the required update for mymodule to run with Drupal core API 6.x.
|
|
* - mymodule_update_6100()
|
|
* - This is the first update to get the database ready to run mymodule 6.x-1.*.
|
|
* - mymodule_update_6200()
|
|
* - This is the first update to get the database ready to run mymodule 6.x-2.*.
|
|
* Users can directly update from 5.x-2.* to 6.x-2.* and they get all 60XX
|
|
* and 62XX updates, but not 61XX updates, because those reside in the
|
|
* 6.x-1.x branch only.
|
|
*
|
|
* A good rule of thumb is to remove updates older than two major releases of
|
|
* Drupal. See hook_update_last_removed() to notify Drupal about the removals.
|
|
*
|
|
* Never renumber update functions.
|
|
*
|
|
* Further information about releases and release numbers:
|
|
* - @link http://drupal.org/handbook/version-info http://drupal.org/handbook/version-info @endlink
|
|
* - @link http://drupal.org/node/93999 http://drupal.org/node/93999 @endlink (Overview of contributions branches and tags)
|
|
* - @link http://drupal.org/handbook/cvs/releases http://drupal.org/handbook/cvs/releases @endlink
|
|
*
|
|
* Implementations of this hook should be placed in a mymodule.install file in
|
|
* the same directory as mymodule.module. Drupal core's updates are implemented
|
|
* using the system module as a name and stored in database/updates.inc.
|
|
*
|
|
* If your update task is potentially time-consuming, you'll need to implement a
|
|
* multipass update to avoid PHP timeouts. Multipass updates use the $sandbox
|
|
* parameter provided by the batch API (normally, $context['sandbox']) to store
|
|
* information between successive calls, and the $sandbox['#finished'] value
|
|
* to provide feedback regarding completion level.
|
|
*
|
|
* See the batch operations page for more information on how to use the batch API:
|
|
* @link http://drupal.org/node/146843 http://drupal.org/node/146843 @endlink
|
|
*
|
|
* @throws DrupalUpdateException, PDOException
|
|
* In case of error, update hooks should throw an instance of DrupalUpdateException
|
|
* with a meaningful message for the user. If a database query fails for whatever
|
|
* reason, it will throw a PDOException.
|
|
*
|
|
* @return
|
|
* Optionally update hooks may return a translated string that will be displayed
|
|
* to the user. If no message is returned, no message will be presented to the
|
|
* user.
|
|
*/
|
|
function hook_update_N(&$sandbox) {
|
|
// For non-multipass updates, the signature can simply be;
|
|
// function hook_update_N() {
|
|
|
|
// For most updates, the following is sufficient.
|
|
db_add_field('mytable1', 'newcol', array('type' => 'int', 'not null' => TRUE, 'description' => 'My new integer column.'));
|
|
|
|
// However, for more complex operations that may take a long time,
|
|
// you may hook into Batch API as in the following example.
|
|
|
|
// Update 3 users at a time to have an exclamation point after their names.
|
|
// (They're really happy that we can do batch API in this hook!)
|
|
if (!isset($sandbox['progress'])) {
|
|
$sandbox['progress'] = 0;
|
|
$sandbox['current_uid'] = 0;
|
|
// We'll -1 to disregard the uid 0...
|
|
$sandbox['max'] = db_query('SELECT COUNT(DISTINCT uid) FROM {users}')->fetchField() - 1;
|
|
}
|
|
db_select('users', 'u')
|
|
->fields('u', array('uid', 'name'))
|
|
->condition('uid', $sandbox['current_uid'], '>')
|
|
->range(0, 3)
|
|
->orderBy('uid', 'ASC')
|
|
->execute();
|
|
foreach ($users as $user) {
|
|
$user->name .= '!';
|
|
db_update('users')
|
|
->fields(array('name' => $user->name))
|
|
->condition('uid', $user->uid)
|
|
->execute();
|
|
|
|
$sandbox['progress']++;
|
|
$sandbox['current_uid'] = $user->uid;
|
|
}
|
|
|
|
$sandbox['#finished'] = empty($sandbox['max']) ? 1 : ($sandbox['progress'] / $sandbox['max']);
|
|
|
|
// To display a message to the user when the update is completed, return it.
|
|
// If you do not want to display a completion message, simply return nothing.
|
|
return t('The update did what it was supposed to do.');
|
|
|
|
// In case of an error, simply throw an exception with an error message.
|
|
throw new DrupalUpdateException('Something went wrong; here is what you should do.');
|
|
}
|
|
|
|
/**
|
|
* Return an array of information about module update dependencies.
|
|
*
|
|
* This can be used to indicate update functions from other modules that your
|
|
* module's update functions depend on, or vice versa. It is used by the update
|
|
* system to determine the appropriate order in which updates should be run, as
|
|
* well as to search for missing dependencies.
|
|
*
|
|
* Implementations of this hook should be placed in a mymodule.install file in
|
|
* the same directory as mymodule.module.
|
|
*
|
|
* @return
|
|
* A multidimensional array containing information about the module update
|
|
* dependencies. The first two levels of keys represent the module and update
|
|
* number (respectively) for which information is being returned, and the
|
|
* value is an array of information about that update's dependencies. Within
|
|
* this array, each key represents a module, and each value represents the
|
|
* number of an update function within that module. In the event that your
|
|
* update function depends on more than one update from a particular module,
|
|
* you should always list the highest numbered one here (since updates within
|
|
* a given module always run in numerical order).
|
|
*
|
|
* @see update_resolve_dependencies()
|
|
* @see hook_update_N()
|
|
*/
|
|
function hook_update_dependencies() {
|
|
// Indicate that the mymodule_update_7000() function provided by this module
|
|
// must run after the another_module_update_7002() function provided by the
|
|
// 'another_module' module.
|
|
$dependencies['mymodule'][7000] = array(
|
|
'another_module' => 7002,
|
|
);
|
|
// Indicate that the mymodule_update_7001() function provided by this module
|
|
// must run before the yet_another_module_update_7004() function provided by
|
|
// the 'yet_another_module' module. (Note that declaring dependencies in this
|
|
// direction should be done only in rare situations, since it can lead to the
|
|
// following problem: If a site has already run the yet_another_module
|
|
// module's database updates before it updates its codebase to pick up the
|
|
// newest mymodule code, then the dependency declared here will be ignored.)
|
|
$dependencies['yet_another_module'][7004] = array(
|
|
'mymodule' => 7001,
|
|
);
|
|
return $dependencies;
|
|
}
|
|
|
|
/**
|
|
* Return a number which is no longer available as hook_update_N().
|
|
*
|
|
* If you remove some update functions from your mymodule.install file, you
|
|
* should notify Drupal of those missing functions. This way, Drupal can
|
|
* ensure that no update is accidentally skipped.
|
|
*
|
|
* Implementations of this hook should be placed in a mymodule.install file in
|
|
* the same directory as mymodule.module.
|
|
*
|
|
* @return
|
|
* An integer, corresponding to hook_update_N() which has been removed from
|
|
* mymodule.install.
|
|
*
|
|
* @see hook_update_N()
|
|
*/
|
|
function hook_update_last_removed() {
|
|
// We've removed the 5.x-1.x version of mymodule, including database updates.
|
|
// The next update function is mymodule_update_5200().
|
|
return 5103;
|
|
}
|
|
|
|
/**
|
|
* Remove any information that the module sets.
|
|
*
|
|
* The information that the module should remove includes:
|
|
* - variables that the module has set using variable_set() or system_settings_form()
|
|
* - modifications to existing tables
|
|
*
|
|
* The module should not remove its entry from the {system} table. Database tables
|
|
* defined by hook_schema() will be removed automatically.
|
|
*
|
|
* The uninstall hook will fire when the module gets uninstalled but before the
|
|
* module's database tables are removed, allowing your module to query its own
|
|
* tables during this routine.
|
|
*
|
|
* @see hook_install()
|
|
* @see hook_schema()
|
|
*/
|
|
function hook_uninstall() {
|
|
variable_del('upload_file_types');
|
|
}
|
|
|
|
/**
|
|
* Perform necessary actions after module is enabled.
|
|
*
|
|
* The hook is called everytime module is enabled.
|
|
*/
|
|
function hook_enable() {
|
|
mymodule_cache_rebuild();
|
|
}
|
|
|
|
/**
|
|
* Perform necessary actions before module is disabled.
|
|
*
|
|
* The hook is called everytime module is disabled.
|
|
*/
|
|
function hook_disable() {
|
|
mymodule_cache_rebuild();
|
|
}
|
|
|
|
/**
|
|
* Perform necessary alterations to the list of files parsed by the registry.
|
|
*
|
|
* Modules can manually modify the list of files before the registry parses
|
|
* them. The $modules array provides the .info file information, which includes
|
|
* the list of files registered to each module. Any files in the list can then
|
|
* be added to the list of files that the registry will parse, or modify
|
|
* attributes of a file.
|
|
*
|
|
* A necessary alteration made by the core SimpleTest module is to force .test
|
|
* files provided by disabled modules into the list of files parsed by the
|
|
* registry.
|
|
*
|
|
* @param $files
|
|
* List of files to be parsed by the registry. The list will contain
|
|
* files found in each enabled module's info file and the core includes
|
|
* directory. The array is keyed by the file path and contains an array of
|
|
* the related module's name and weight as used internally by
|
|
* _registry_update() and related functions.
|
|
*
|
|
* For example:
|
|
* @code
|
|
* $files["modules/system/system.module"] = array(
|
|
* 'module' => 'system',
|
|
* 'weight' => 0,
|
|
* );
|
|
* @endcode
|
|
* @param $modules
|
|
* An array containing all module information stored in the {system} table.
|
|
* Each element of the array also contains the module's .info file
|
|
* information in the property 'info'. An additional 'dir' property has been
|
|
* added to the module information which provides the path to the directory
|
|
* in which the module resides. The example shows how to take advantage of
|
|
* both properties.
|
|
*
|
|
* @see _registry_update()
|
|
* @see simpletest_test_get_all()
|
|
*/
|
|
function hook_registry_files_alter(&$files, $modules) {
|
|
foreach ($modules as $module) {
|
|
// Only add test files for disabled modules, as enabled modules should
|
|
// already include any test files they provide.
|
|
if (!$module->status) {
|
|
$dir = $module->dir;
|
|
foreach ($module->info['files'] as $file) {
|
|
if (substr($file, -5) == '.test') {
|
|
$files["$dir/$file"] = array('module' => $module->name, 'weight' => $module->weight);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return an array of tasks to be performed by an installation profile.
|
|
*
|
|
* Any tasks you define here will be run, in order, after the installer has
|
|
* finished the site configuration step but before it has moved on to the
|
|
* final import of languages and the end of the installation. You can have any
|
|
* number of custom tasks to perform during this phase.
|
|
*
|
|
* Each task you define here corresponds to a callback function which you must
|
|
* separately define and which is called when your task is run. This function
|
|
* will receive the global installation state variable, $install_state, as
|
|
* input, and has the opportunity to access or modify any of its settings. See
|
|
* the install_state_defaults() function in the installer for the list of
|
|
* $install_state settings used by Drupal core.
|
|
*
|
|
* At the end of your task function, you can indicate that you want the
|
|
* installer to pause and display a page to the user by returning any themed
|
|
* output that should be displayed on that page (but see below for tasks that
|
|
* use the form API or batch API; the return values of these task functions are
|
|
* handled differently). You should also use drupal_set_title() within the task
|
|
* callback function to set a custom page title. For some tasks, however, you
|
|
* may want to simply do some processing and pass control to the next task
|
|
* without ending the page request; to indicate this, simply do not send back
|
|
* a return value from your task function at all. This can be used, for
|
|
* example, by installation profiles that need to configure certain site
|
|
* settings in the database without obtaining any input from the user.
|
|
*
|
|
* The task function is treated specially if it defines a form or requires
|
|
* batch processing; in that case, you should return either the form API
|
|
* definition or batch API array, as appropriate. See below for more
|
|
* information on the 'type' key that you must define in the task definition
|
|
* to inform the installer that your task falls into one of those two
|
|
* categories. It is important to use these APIs directly, since the installer
|
|
* may be run non-interactively (for example, via a command line script), all
|
|
* in one page request; in that case, the installer will automatically take
|
|
* care of submitting forms and processing batches correctly for both types of
|
|
* installations. You can inspect the $install_state['interactive'] boolean to
|
|
* see whether or not the current installation is interactive, if you need
|
|
* access to this information.
|
|
*
|
|
* Remember that a user installing Drupal interactively will be able to reload
|
|
* an installation page multiple times, so you should use variable_set() and
|
|
* variable_get() if you are collecting any data that you need to store and
|
|
* inspect later. It is important to remove any temporary variables using
|
|
* variable_del() before your last task has completed and control is handed
|
|
* back to the installer.
|
|
*
|
|
* @return
|
|
* A keyed array of tasks the profile will perform during the final stage of
|
|
* the installation. Each key represents the name of a function (usually a
|
|
* function defined by this profile, although that is not strictly required)
|
|
* that is called when that task is run. The values are associative arrays
|
|
* containing the following key-value pairs (all of which are optional):
|
|
* - 'display_name'
|
|
* The human-readable name of the task. This will be displayed to the
|
|
* user while the installer is running, along with a list of other tasks
|
|
* that are being run. Leave this unset to prevent the task from
|
|
* appearing in the list.
|
|
* - 'display'
|
|
* This is a boolean which can be used to provide finer-grained control
|
|
* over whether or not the task will display. This is mostly useful for
|
|
* tasks that are intended to display only under certain conditions; for
|
|
* these tasks, you can set 'display_name' to the name that you want to
|
|
* display, but then use this boolean to hide the task only when certain
|
|
* conditions apply.
|
|
* - 'type'
|
|
* A string representing the type of task. This parameter has three
|
|
* possible values:
|
|
* - 'normal': This indicates that the task will be treated as a regular
|
|
* callback function, which does its processing and optionally returns
|
|
* HTML output. This is the default behavior which is used when 'type' is
|
|
* not set.
|
|
* - 'batch': This indicates that the task function will return a batch
|
|
* API definition suitable for batch_set(). The installer will then take
|
|
* care of automatically running the task via batch processing.
|
|
* - 'form': This indicates that the task function will return a standard
|
|
* form API definition (and separately define validation and submit
|
|
* handlers, as appropriate). The installer will then take care of
|
|
* automatically directing the user through the form submission process.
|
|
* - 'run'
|
|
* A constant representing the manner in which the task will be run. This
|
|
* parameter has three possible values:
|
|
* - INSTALL_TASK_RUN_IF_NOT_COMPLETED: This indicates that the task will
|
|
* run once during the installation of the profile. This is the default
|
|
* behavior which is used when 'run' is not set.
|
|
* - INSTALL_TASK_SKIP: This indicates that the task will not run during
|
|
* the current installation page request. It can be used to skip running
|
|
* an installation task when certain conditions are met, even though the
|
|
* task may still show on the list of installation tasks presented to the
|
|
* user.
|
|
* - INSTALL_TASK_RUN_IF_REACHED: This indicates that the task will run
|
|
* on each installation page request that reaches it. This is rarely
|
|
* necessary for an installation profile to use; it is primarily used by
|
|
* the Drupal installer for bootstrap-related tasks.
|
|
* - 'function'
|
|
* Normally this does not need to be set, but it can be used to force the
|
|
* installer to call a different function when the task is run (rather
|
|
* than the function whose name is given by the array key). This could be
|
|
* used, for example, to allow the same function to be called by two
|
|
* different tasks.
|
|
*
|
|
* @see install_state_defaults()
|
|
* @see batch_set()
|
|
*/
|
|
function hook_install_tasks() {
|
|
// Here, we define a variable to allow tasks to indicate that a particular,
|
|
// processor-intensive batch process needs to be triggered later on in the
|
|
// installation.
|
|
$myprofile_needs_batch_processing = variable_get('myprofile_needs_batch_processing', FALSE);
|
|
$tasks = array(
|
|
// This is an example of a task that defines a form which the user who is
|
|
// installing the site will be asked to fill out. To implement this task,
|
|
// your profile would define a function named myprofile_data_import_form()
|
|
// as a normal form API callback function, with associated validation and
|
|
// submit handlers. In the submit handler, in addition to saving whatever
|
|
// other data you have collected from the user, you might also call
|
|
// variable_set('myprofile_needs_batch_processing', TRUE) if the user has
|
|
// entered data which requires that batch processing will need to occur
|
|
// later on.
|
|
'myprofile_data_import_form' => array(
|
|
'display_name' => st('Data import options'),
|
|
'type' => 'form',
|
|
),
|
|
// Similarly, to implement this task, your profile would define a function
|
|
// named myprofile_settings_form() with associated validation and submit
|
|
// handlers. This form might be used to collect and save additional
|
|
// information from the user that your profile needs. There are no extra
|
|
// steps required for your profile to act as an "installation wizard"; you
|
|
// can simply define as many tasks of type 'form' as you wish to execute,
|
|
// and the forms will be presented to the user, one after another.
|
|
'myprofile_settings_form' => array(
|
|
'display_name' => st('Additional options'),
|
|
'type' => 'form',
|
|
),
|
|
// This is an example of a task that performs batch operations. To
|
|
// implement this task, your profile would define a function named
|
|
// myprofile_batch_processing() which returns a batch API array definition
|
|
// that the installer will use to execute your batch operations. Due to the
|
|
// 'myprofile_needs_batch_processing' variable used here, this task will be
|
|
// hidden and skipped unless your profile set it to TRUE in one of the
|
|
// previous tasks.
|
|
'myprofile_batch_processing' => array(
|
|
'display_name' => st('Import additional data'),
|
|
'display' => $myprofile_needs_batch_processing,
|
|
'type' => 'batch',
|
|
'run' => $myprofile_needs_batch_processing ? INSTALL_TASK_RUN_IF_NOT_COMPLETED : INSTALL_TASK_SKIP,
|
|
),
|
|
// This is an example of a task that will not be displayed in the list that
|
|
// the user sees. To implement this task, your profile would define a
|
|
// function named myprofile_final_site_setup(), in which additional,
|
|
// automated site setup operations would be performed. Since this is the
|
|
// last task defined by your profile, you should also use this function to
|
|
// call variable_del('myprofile_needs_batch_processing') and clean up the
|
|
// variable that was used above. If you want the user to pass to the final
|
|
// Drupal installation tasks uninterrupted, return no output from this
|
|
// function. Otherwise, return themed output that the user will see (for
|
|
// example, a confirmation page explaining that your profile's tasks are
|
|
// complete, with a link to reload the current page and therefore pass on
|
|
// to the final Drupal installation tasks when the user is ready to do so).
|
|
'myprofile_final_site_setup' => array(
|
|
),
|
|
);
|
|
return $tasks;
|
|
}
|
|
|
|
/**
|
|
* Change the page the user is sent to by drupal_goto().
|
|
*
|
|
* @param &$path
|
|
* A Drupal path or a full URL.
|
|
* @param &$options
|
|
* An associative array of additional URL options to pass to url().
|
|
* @param &$http_response_code
|
|
* The HTTP status code to use for the redirection. See drupal_goto() for more
|
|
* information.
|
|
*/
|
|
function hook_drupal_goto_alter(&$path, &$options, &$http_response_code) {
|
|
// A good addition to misery module.
|
|
$http_response_code = 500;
|
|
}
|
|
|
|
/**
|
|
* Alter XHTML HEAD tags before they are rendered by drupal_get_html_head().
|
|
*
|
|
* Elements available to be altered are only those added using
|
|
* drupal_add_html_head_link() or drupal_add_html_head(). CSS and JS files
|
|
* are handled using drupal_add_css() and drupal_add_js(), so the head links
|
|
* for those files will not appear in the $head_elements array.
|
|
*
|
|
* @param $head_elements
|
|
* An array of renderable elements. Generally the values of the #attributes
|
|
* array will be the most likely target for changes.
|
|
*/
|
|
function hook_html_head_alter(&$head_elements) {
|
|
foreach($head_elements as $key => $element) {
|
|
if (isset($element['#attributes']['rel']) && $element['#attributes']['rel'] == 'canonical') {
|
|
// I want a custom canonical url.
|
|
$head_elements[$key]['#attributes']['href'] = mymodule_canonical_url();
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Alter the full list of installation tasks.
|
|
*
|
|
* @param $tasks
|
|
* An array of all available installation tasks, including those provided by
|
|
* Drupal core. You can modify this array to change or replace any part of
|
|
* the Drupal installation process that occurs after the installation profile
|
|
* is selected.
|
|
* @param $install_state
|
|
* An array of information about the current installation state.
|
|
*/
|
|
function hook_install_tasks_alter(&$tasks, $install_state) {
|
|
// Replace the "Choose language" installation task provided by Drupal core
|
|
// with a custom callback function defined by this installation profile.
|
|
$tasks['install_select_locale']['function'] = 'myprofile_locale_selection';
|
|
}
|
|
|
|
/**
|
|
* Alter MIME type mappings used to determine MIME type from a file extension.
|
|
*
|
|
* This hook is run when file_mimetype_mapping() is called. It is used to
|
|
* allow modules to add to or modify the default mapping from
|
|
* file_default_mimetype_mapping().
|
|
*
|
|
* @param $mapping
|
|
* An array of mimetypes correlated to the extensions that relate to them.
|
|
* The array has 'mimetypes' and 'extensions' elements, each of which is an
|
|
* array.
|
|
* @see file_default_mimetype_mapping()
|
|
*/
|
|
function hook_file_mimetype_mapping_alter(&$mapping) {
|
|
// Add new MIME type 'drupal/info'.
|
|
$mapping['mimetypes']['example_info'] = 'drupal/info';
|
|
// Add new extension '.info' and map it to the 'drupal/info' MIME type.
|
|
$mapping['extensions']['info'] = 'example_info';
|
|
// Override existing extension mapping for '.ogg' files.
|
|
$mapping['extensions']['ogg'] = 189;
|
|
}
|
|
|
|
/**
|
|
* Declares information about actions.
|
|
*
|
|
* Any module can define actions, and then call actions_do() to make those
|
|
* actions happen in response to events. The trigger module provides a user
|
|
* interface for associating actions with module-defined triggers, and it makes
|
|
* sure the core triggers fire off actions when their events happen.
|
|
*
|
|
* An action consists of two or three parts:
|
|
* - an action definition (returned by this hook)
|
|
* - a function which performs the action (which by convention is named
|
|
* MODULE_description-of-function_action)
|
|
* - an optional form definition function that defines a configuration form
|
|
* (which has the name of the action function with '_form' appended to it.)
|
|
*
|
|
* The action function takes two to four arguments, which come from the input
|
|
* arguments to actions_do().
|
|
*
|
|
* @return
|
|
* An associative array of action descriptions. The keys of the array
|
|
* are the names of the action functions, and each corresponding value
|
|
* is an associative array with the following key-value pairs:
|
|
* - 'type': The type of object this action acts upon. Core actions have types
|
|
* 'node', 'user', 'comment', and 'system'.
|
|
* - 'label': The human-readable name of the action, which should be passed
|
|
* through the t() function for translation.
|
|
* - 'configurable': If FALSE, then the action doesn't require any extra
|
|
* configuration. If TRUE, then your module must define a form function with
|
|
* the same name as the action function with '_form' appended (e.g., the
|
|
* form for 'node_assign_owner_action' is 'node_assign_owner_action_form'.)
|
|
* This function takes $context as its only parameter, and is paired with
|
|
* the usual _submit function, and possibly a _validate function.
|
|
* - 'triggers': An array of the events (that is, hooks) that can trigger this
|
|
* action. For example: array('node_insert', 'user_update'). You can also
|
|
* declare support for any trigger by returning array('any') for this value.
|
|
* - 'behavior': (optional) A machine-readable array of behaviors of this
|
|
* action, used to signal additionally required actions that may need to be
|
|
* triggered. Currently recognized behaviors by Trigger module:
|
|
* - 'changes_property': If an action with this behavior is assigned to a
|
|
* trigger other than a "presave" hook, any save actions also assigned to
|
|
* this trigger are moved later in the list. If no save action is present,
|
|
* one will be added.
|
|
* Modules that are processing actions (like Trigger module) should take
|
|
* special care for the "presave" hook, in which case a dependent "save"
|
|
* action should NOT be invoked.
|
|
*
|
|
* @ingroup actions
|
|
*/
|
|
function hook_action_info() {
|
|
return array(
|
|
'comment_unpublish_action' => array(
|
|
'type' => 'comment',
|
|
'label' => t('Unpublish comment'),
|
|
'configurable' => FALSE,
|
|
'behavior' => array('changes_property'),
|
|
'triggers' => array('comment_presave', 'comment_insert', 'comment_update'),
|
|
),
|
|
'comment_unpublish_by_keyword_action' => array(
|
|
'type' => 'comment',
|
|
'label' => t('Unpublish comment containing keyword(s)'),
|
|
'configurable' => TRUE,
|
|
'behavior' => array('changes_property'),
|
|
'triggers' => array('comment_presave', 'comment_insert', 'comment_update'),
|
|
),
|
|
'comment_save_action' => array(
|
|
'type' => 'comment',
|
|
'label' => t('Save comment'),
|
|
'configurable' => FALSE,
|
|
'triggers' => array('comment_insert', 'comment_update'),
|
|
),
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Executes code after an action is deleted.
|
|
*
|
|
* @param $aid
|
|
* The action ID.
|
|
*/
|
|
function hook_actions_delete($aid) {
|
|
db_delete('actions_assignments')
|
|
->condition('aid', $aid)
|
|
->execute();
|
|
}
|
|
|
|
/**
|
|
* Alters the actions declared by another module.
|
|
*
|
|
* Called by actions_list() to allow modules to alter the return values from
|
|
* implementations of hook_action_info().
|
|
*
|
|
* @see trigger_example_action_info_alter().
|
|
*/
|
|
function hook_action_info_alter(&$actions) {
|
|
$actions['node_unpublish_action']['label'] = t('Unpublish and remove from public view.');
|
|
}
|
|
|
|
/**
|
|
* Declare archivers to the system.
|
|
*
|
|
* An archiver is a class that is able to package and unpackage one or more files
|
|
* into a single possibly compressed file. Common examples of such files are
|
|
* zip files and tar.gz files. All archiver classes must implement
|
|
* ArchiverInterface.
|
|
*
|
|
* Each entry should be keyed on a unique value, and specify three
|
|
* additional keys:
|
|
* - class: The name of the PHP class for this archiver.
|
|
* - extensions: An array of file extensions that this archiver supports.
|
|
* - weight: This optional key specifies the weight of this archiver.
|
|
* When mapping file extensions to archivers, the first archiver by
|
|
* weight found that supports the requested extension will be used.
|
|
*
|
|
* @see hook_archiver_info_alter()
|
|
*/
|
|
function hook_archiver_info() {
|
|
return array(
|
|
'tar' => array(
|
|
'class' => 'ArchiverTar',
|
|
'extensions' => array('tar', 'tar.gz', 'tar.bz2'),
|
|
),
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Alter archiver information declared by other modules.
|
|
*
|
|
* See hook_archiver_info() for a description of archivers and the archiver
|
|
* information structure.
|
|
*
|
|
* @param $info
|
|
* Archiver information to alter (return values from hook_archiver_info()).
|
|
*/
|
|
function hook_archiver_info_alter(&$info) {
|
|
$info['tar']['extensions'][] = 'tgz';
|
|
}
|
|
|
|
/**
|
|
* Defines additional date types.
|
|
*
|
|
* Next to the 'long', 'medium' and 'short' date types defined in core, any
|
|
* module can define additional types that can be used when displaying dates. A
|
|
* date type is a key which can be passed to format_date() to return a date in
|
|
* the configured display format.
|
|
*
|
|
* To avoid namespace collisions with date types defined by other modules, it is
|
|
* recommended that each date type starts with the module name. A date type
|
|
* can consist of letters, numbers and underscores.
|
|
*
|
|
* @see hook_date_formats()
|
|
* @see format_date()
|
|
*
|
|
* @return
|
|
* A list of date types in 'key' => 'label' format.
|
|
*/
|
|
function hook_date_format_types() {
|
|
return array(
|
|
'long' => t('Long'),
|
|
'medium' => t('Medium'),
|
|
'short' => t('Short'),
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Defines additional date formats.
|
|
*
|
|
* Next to the 'long', 'medium' and 'short' date types defined in core, any
|
|
* module can define additional types that can be used when displaying dates. A
|
|
* date type is a key which can be passed to format_date() to return a date in
|
|
* the configured displayed format. A date format is a string defining the date
|
|
* and time elements to use. For example, a date type could be
|
|
* 'mymodule_extra_long', while a date format is like 'Y-m-d'.
|
|
*
|
|
* New date types must first be declared using hook_date_format_types(). It is
|
|
* then possible to define one or more date formats for each.
|
|
*
|
|
* A module may also extend the list date formats defined for a date type
|
|
* provided by another module.
|
|
*
|
|
* There may be more than one format for the same locale. For example d/m/Y and
|
|
* Y/m/d work equally well in some locales. It may also be necessary to define
|
|
* multiple versions of the same date format, for example, one using AM, one
|
|
* with PM and one without the time at all.
|
|
*
|
|
* However at the same time you may wish to define some additional date formats
|
|
* that aren't specific to any one locale, for example, "Y m". For these cases
|
|
* the locales field should be omitted.
|
|
*
|
|
* @see hook_date_format_types()
|
|
*
|
|
* @return
|
|
* A list of date formats. Each date format is a keyed array
|
|
* consisting of three elements:
|
|
* - 'type': the date type is a key used to identify which date format to
|
|
* display. It consists of letters, numbers and underscores, e.g. 'long',
|
|
* 'short', 'mymodule_extra_long'. It must first be declared in
|
|
* hook_date_format_types() unless extending a type provided by another
|
|
* module.
|
|
* - 'format': a string defining the date and time elements to use. It
|
|
* can contain any of the formatting options described at
|
|
* http://php.net/manual/en/function.date.php
|
|
* - 'locales': (optional) an array of 2 and 5 character language codes, for
|
|
* example, 'en', 'en-us'. The language codes are used to determine which
|
|
* date format to display for the user's current language. If more than one
|
|
* date format is suggested for the same date type and locale, then the
|
|
* first one will be used unless overridden via
|
|
* admin/config/regional/date-time/locale. If your date format is not
|
|
* language specific, leave this field empty.
|
|
*/
|
|
function hook_date_formats() {
|
|
return array(
|
|
array(
|
|
'type' => 'mymodule_extra_long',
|
|
'format' => 'l jS F Y H:i:s e',
|
|
'locales' => array('en-ie'),
|
|
),
|
|
array(
|
|
'type' => 'mymodule_extra_long',
|
|
'format' => 'l jS F Y h:i:sa',
|
|
'locales' => array('en', 'en-us'),
|
|
),
|
|
array(
|
|
'type' => 'short',
|
|
'format' => 'F Y',
|
|
'locales' => array(),
|
|
),
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Alters date types and formats declared by another module.
|
|
*
|
|
* Called by _system_date_format_types_build() to allow modules to alter the
|
|
* return values from implementations of hook_date_formats().
|
|
*/
|
|
function hook_date_formats_alter(&$formats) {
|
|
foreach ($formats as $id => $format) {
|
|
$formats[$id]['locales'][] = 'en-ca';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Alters the router item for the active menu handler.
|
|
*
|
|
* Called by menu_execute_active_handler() to allow modules to alter the
|
|
* information that will be used to handle the page request. Only use this
|
|
* hook if an alteration specific to the page request is needed. Otherwise
|
|
* use hook_menu_alter().
|
|
*
|
|
* @param $router_item
|
|
* An array with the following keys:
|
|
* - access: Boolean. Whether the user is allowed to see this page.
|
|
* - file: A path to a file to include prior to invoking the page callback.
|
|
* - page_callback: The function to call to build the page content.
|
|
* - page_arguments: Arguments to pass to the page callback.
|
|
* - delivery_callback: The function to call to deliver the result of the
|
|
* page callback to the browser.
|
|
* @param $path
|
|
* The drupal path that was used for retrieving the router item.
|
|
*
|
|
* @see menu_execute_active_handler()
|
|
* @see hook_menu()
|
|
* @see hook_menu_alter()
|
|
*/
|
|
function hook_menu_active_handler_alter(&$router_item, $path = NULL) {
|
|
// Turn off access for all pages for all users.
|
|
$router_item['access'] = FALSE;
|
|
}
|
|
|
|
/**
|
|
* Alters the delivery callback used to send the result of the page callback to the browser.
|
|
*
|
|
* Called by drupal_deliver_page() to allow modules to alter how the
|
|
* page is delivered to the browser.
|
|
*
|
|
* This hook is intended for altering the delivery callback based on
|
|
* information unrelated to the path of the page accessed. For example,
|
|
* it can be used to set the delivery callback based on a HTTP request
|
|
* header (as shown in the code sample). To specify a delivery callback
|
|
* based on path information, use hook_menu(), hook_menu_alter() or
|
|
* hook_menu_active_handler_alter().
|
|
*
|
|
* This hook can also be used as an API function that can be used to explicitly
|
|
* set the delivery callback from some other function. For example, for a module
|
|
* named MODULE:
|
|
* @code
|
|
* function MODULE_page_delivery_callback_alter(&$callback, $set = FALSE) {
|
|
* static $stored_callback;
|
|
* if ($set) {
|
|
* $stored_callback = $callback;
|
|
* }
|
|
* elseif (isset($stored_callback)) {
|
|
* $callback = $stored_callback;
|
|
* }
|
|
* }
|
|
* function SOMEWHERE_ELSE() {
|
|
* $desired_delivery_callback = 'foo';
|
|
* MODULE_page_delivery_callback_alter($desired_delivery_callback, TRUE);
|
|
* }
|
|
* @endcode
|
|
*
|
|
* @param $callback
|
|
* The name of a function.
|
|
*
|
|
* @see drupal_deliver_page()
|
|
*/
|
|
function hook_page_delivery_callback_alter(&$callback) {
|
|
// jQuery sets a HTTP_X_REQUESTED_WITH header of 'XMLHttpRequest'.
|
|
// If a page would normally be delivered as an html page, and it is called
|
|
// from jQuery, deliver it instead as an AJAX response.
|
|
if (isset($_SERVER['HTTP_X_REQUESTED_WITH']) && $_SERVER['HTTP_X_REQUESTED_WITH'] == 'XMLHttpRequest' && $callback == 'drupal_deliver_html_page') {
|
|
$callback = 'ajax_deliver';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Alters theme operation links.
|
|
*
|
|
* @param $theme_groups
|
|
* An associative array containing groups of themes.
|
|
*
|
|
* @see system_themes_page()
|
|
*/
|
|
function hook_system_themes_page_alter(&$theme_groups) {
|
|
foreach ($theme_groups as $state => &$group) {
|
|
foreach($theme_groups[$state] as &$theme) {
|
|
// Add a foo link to each list of theme operations.
|
|
$theme->operations[] = l(t('Foo'), 'admin/appearance/foo', array('query' => array('theme' => $theme->name)));
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Alters inbound URL requests.
|
|
*
|
|
* @param $path
|
|
* The path being constructed, which, if a path alias, has been resolved to a
|
|
* Drupal path by the database, and which also may have been altered by other
|
|
* modules before this one.
|
|
* @param $original_path
|
|
* The original path, before being checked for path aliases or altered by any
|
|
* modules.
|
|
* @param $path_language
|
|
* The language of the path.
|
|
*
|
|
* @see drupal_get_normal_path()
|
|
*/
|
|
function hook_url_inbound_alter(&$path, $original_path, $path_language) {
|
|
// Create the path user/me/edit, which allows a user to edit their account.
|
|
if (preg_match('|^user/me/edit(/.*)?|', $path, $matches)) {
|
|
global $user;
|
|
$path = 'user/' . $user->uid . '/edit' . $matches[1];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Alters outbound URLs.
|
|
*
|
|
* @param $path
|
|
* The outbound path to alter, not adjusted for path aliases yet. It won't be
|
|
* adjusted for path aliases until all modules are finished altering it, thus
|
|
* being consistent with hook_url_alter_inbound(), which adjusts for all path
|
|
* aliases before allowing modules to alter it. This may have been altered by
|
|
* other modules before this one.
|
|
* @param $options
|
|
* A set of URL options for the URL so elements such as a fragment or a query
|
|
* string can be added to the URL.
|
|
* @param $original_path
|
|
* The original path, before being altered by any modules.
|
|
*
|
|
* @see url()
|
|
*/
|
|
function hook_url_outbound_alter(&$path, &$options, $original_path) {
|
|
// Use an external RSS feed rather than the Drupal one.
|
|
if ($path == 'rss.xml') {
|
|
$path = 'http://example.com/rss.xml';
|
|
$options['external'] = TRUE;
|
|
}
|
|
|
|
// Instead of pointing to user/[uid]/edit, point to user/me/edit.
|
|
if (preg_match('|^user/([0-9]*)/edit(/.*)?|', $path, $matches)) {
|
|
global $user;
|
|
if ($user->uid == $matches[1]) {
|
|
$path = 'user/me/edit' . $matches[2];
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Alter the username that is displayed for a user.
|
|
*
|
|
* Called by format_username() to allow modules to alter the username that's
|
|
* displayed. Can be used to ensure user privacy in situations where
|
|
* $account->name is too revealing.
|
|
*
|
|
* @param &$name
|
|
* The string that format_username() will return.
|
|
*
|
|
* @param $account
|
|
* The account object passed to format_username().
|
|
*
|
|
* @see format_username()
|
|
*/
|
|
function hook_username_alter(&$name, $account) {
|
|
// Display the user's uid instead of name.
|
|
if (isset($account->uid)) {
|
|
$name = t('User !uid', array('!uid' => $account->uid));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Provide replacement values for placeholder tokens.
|
|
*
|
|
* @param $type
|
|
* The type of token being replaced. 'node', 'user', and 'date' are common.
|
|
* @param $tokens
|
|
* An array of tokens to be replaced, keyed by the literal text of the token
|
|
* as it appeared in the source text.
|
|
* @param $data
|
|
* (optional) An associative array of objects to be used when generating replacement
|
|
* values.
|
|
* @param $options
|
|
* (optional) A associative array of options to control the token
|
|
* replacement process. Common options are:
|
|
* - 'language' A language object to be used when generating locale-sensitive
|
|
* tokens.
|
|
* - 'sanitize' A boolean flag indicating that tokens should be sanitized for
|
|
* display to a web browser.
|
|
*
|
|
* @return
|
|
* An associative array of replacement values, keyed by the original 'raw'
|
|
* tokens that were found in the source text. For example:
|
|
* $results['[node:title]'] = 'My new node';
|
|
*/
|
|
function hook_tokens($type, $tokens, array $data = array(), array $options = array()) {
|
|
$url_options = array('absolute' => TRUE);
|
|
if (isset($options['language'])) {
|
|
$url_options['language'] = $options['language'];
|
|
$language_code = $options['language']->language;
|
|
}
|
|
else {
|
|
$language_code = NULL;
|
|
}
|
|
$sanitize = !empty($options['sanitize']);
|
|
|
|
$replacements = array();
|
|
|
|
if ($type == 'node' && !empty($data['node'])) {
|
|
$node = $data['node'];
|
|
|
|
foreach ($tokens as $name => $original) {
|
|
switch ($name) {
|
|
// Simple key values on the node.
|
|
case 'nid':
|
|
$replacements[$original] = $node->nid;
|
|
break;
|
|
|
|
case 'title':
|
|
$replacements[$original] = $sanitize ? check_plain($node->title) : $node->title;
|
|
break;
|
|
|
|
case 'edit-url':
|
|
$replacements[$original] = url('node/' . $node->nid . '/edit', $url_options);
|
|
break;
|
|
|
|
// Default values for the chained tokens handled below.
|
|
case 'author':
|
|
$name = ($node->uid == 0) ? variable_get('anonymous', t('Anonymous')) : $node->name;
|
|
$replacements[$original] = $sanitize ? filter_xss($name) : $name;
|
|
break;
|
|
|
|
case 'created':
|
|
$replacements[$original] = format_date($node->created, 'medium', '', NULL, $language_code);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ($author_tokens = token_find_with_prefix($tokens, 'author')) {
|
|
$author = user_load($node->uid);
|
|
$replacements += token_generate('user', $author_tokens, array('user' => $author), $options);
|
|
}
|
|
|
|
if ($created_tokens = token_find_with_prefix($tokens, 'created')) {
|
|
$replacements += token_generate('date', $created_tokens, array('date' => $node->created), $options);
|
|
}
|
|
}
|
|
|
|
return $replacements;
|
|
}
|
|
|
|
/**
|
|
* Provide metadata about available placeholder tokens and token types.
|
|
*
|
|
* @return
|
|
* An associative array of available tokens and token types, each containing
|
|
* the raw name of the token or type, its user-friendly name, and a verbose
|
|
* description.
|
|
*
|
|
* @see hook_token_info_alter()
|
|
*/
|
|
function hook_token_info() {
|
|
$type = array(
|
|
'name' => t('Nodes'),
|
|
'description' => t('Tokens related to individual nodes.'),
|
|
'needs-data' => 'node',
|
|
);
|
|
|
|
// Core tokens for nodes.
|
|
$node['nid'] = array(
|
|
'name' => t("Node ID"),
|
|
'description' => t("The unique ID of the node."),
|
|
);
|
|
$node['title'] = array(
|
|
'name' => t("Title"),
|
|
'description' => t("The title of the node."),
|
|
);
|
|
$node['edit-url'] = array(
|
|
'name' => t("Edit URL"),
|
|
'description' => t("The URL of the node's edit page."),
|
|
);
|
|
|
|
// Chained tokens for nodes.
|
|
$node['created'] = array(
|
|
'name' => t("Date created"),
|
|
'description' => t("The date the node was posted."),
|
|
'type' => 'date',
|
|
);
|
|
$node['author'] = array(
|
|
'name' => t("Author"),
|
|
'description' => t("The author of the node."),
|
|
'type' => 'user',
|
|
);
|
|
|
|
return array(
|
|
'types' => array('node' => $type),
|
|
'tokens' => array('node' => $node),
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Alter the metadata about available placeholder tokens and token types.
|
|
*
|
|
* @param $data
|
|
* The associative array of token definitions from hook_token_info().
|
|
*
|
|
* @see hook_token_info()
|
|
*/
|
|
function hook_token_info_alter(&$data) {
|
|
// Modify description of node tokens for our site.
|
|
$node['nid'] = array(
|
|
'name' => t("Node ID"),
|
|
'description' => t("The unique ID of the article."),
|
|
);
|
|
$node['title'] = array(
|
|
'name' => t("Title"),
|
|
'description' => t("The title of the article."),
|
|
);
|
|
|
|
// Chained tokens for nodes.
|
|
$node['created'] = array(
|
|
'name' => t("Date created"),
|
|
'description' => t("The date the article was posted."),
|
|
'type' => 'date',
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Alter the default country list.
|
|
*
|
|
* @param $countries
|
|
* The associative array of countries keyed by ISO 3166-1 country code.
|
|
*
|
|
* @see country_get_list()
|
|
* @see _country_get_predefined_list()
|
|
*/
|
|
function hook_countries_alter(&$countries) {
|
|
// Quebec has seceded from Canada. Add to country list.
|
|
$countries['QC'] = 'Quebec';
|
|
}
|
|
/**
|
|
* @} End of "addtogroup hooks".
|
|
*/
|