1923 lines
64 KiB
PHP
1923 lines
64 KiB
PHP
<?php
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// $Id$
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/**
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* @file
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* The theme system, which controls the output of Drupal.
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*
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* The theme system allows for nearly all output of the Drupal system to be
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* customized by user themes.
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*
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* @see <a href="http://drupal.org/node/253">Theme system</a>
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* @see themeable
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*/
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/**
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* @name Content markers
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* @{
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* Markers used by theme_mark() and node_mark() to designate content.
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* @see theme_mark(), node_mark()
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*/
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define('MARK_READ', 0);
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define('MARK_NEW', 1);
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define('MARK_UPDATED', 2);
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/**
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* @} End of "Content markers".
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*/
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/**
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* Initialize the theme system by loading the theme.
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*/
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function init_theme() {
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global $theme, $user, $custom_theme, $theme_key;
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// If $theme is already set, assume the others are set, too, and do nothing
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if (isset($theme)) {
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return;
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}
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drupal_bootstrap(DRUPAL_BOOTSTRAP_DATABASE);
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$themes = list_themes();
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// Only select the user selected theme if it is available in the
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// list of enabled themes.
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$theme = !empty($user->theme) && !empty($themes[$user->theme]->status) ? $user->theme : variable_get('theme_default', 'garland');
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// Allow modules to override the present theme... only select custom theme
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// if it is available in the list of installed themes.
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$theme = $custom_theme && $themes[$custom_theme] ? $custom_theme : $theme;
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// Store the identifier for retrieving theme settings with.
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$theme_key = $theme;
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// Find all our ancestor themes and put them in an array.
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$base_theme = array();
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$ancestor = $theme;
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while ($ancestor && isset($themes[$ancestor]->base_theme)) {
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$base_theme[] = $new_base_theme = $themes[$themes[$ancestor]->base_theme];
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$ancestor = $themes[$ancestor]->base_theme;
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}
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_init_theme($themes[$theme], array_reverse($base_theme));
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}
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/**
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* Initialize the theme system given already loaded information. This
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* function is useful to initialize a theme when no database is present.
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*
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* @param $theme
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* An object with the following information:
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* filename
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* The .info file for this theme. The 'path' to
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* the theme will be in this file's directory. (Required)
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* owner
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* The path to the .theme file or the .engine file to load for
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* the theme. (Required)
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* stylesheet
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* The primary stylesheet for the theme. (Optional)
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* engine
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* The name of theme engine to use. (Optional)
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* @param $base_theme
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* An optional array of objects that represent the 'base theme' if the
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* theme is meant to be derivative of another theme. It requires
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* the same information as the $theme object. It should be in
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* 'oldest first' order, meaning the top level of the chain will
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* be first.
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* @param $registry_callback
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* The callback to invoke to set the theme registry.
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*/
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function _init_theme($theme, $base_theme = array(), $registry_callback = '_theme_load_registry') {
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global $theme_info, $base_theme_info, $theme_engine, $theme_path;
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$theme_info = $theme;
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$base_theme_info = $base_theme;
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$theme_path = dirname($theme->filename);
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// Prepare stylesheets from this theme as well as all ancestor themes.
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// We work it this way so that we can have child themes override parent
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// theme stylesheets easily.
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$final_stylesheets = array();
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// Grab stylesheets from base theme
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foreach ($base_theme as $base) {
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if (!empty($base->stylesheets)) {
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foreach ($base->stylesheets as $media => $stylesheets) {
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foreach ($stylesheets as $name => $stylesheet) {
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$final_stylesheets[$media][$name] = $stylesheet;
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}
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}
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}
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}
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// Add stylesheets used by this theme.
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if (!empty($theme->stylesheets)) {
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foreach ($theme->stylesheets as $media => $stylesheets) {
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foreach ($stylesheets as $name => $stylesheet) {
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$final_stylesheets[$media][$name] = $stylesheet;
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}
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}
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}
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// And now add the stylesheets properly
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foreach ($final_stylesheets as $media => $stylesheets) {
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foreach ($stylesheets as $stylesheet) {
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drupal_add_css($stylesheet, 'theme', $media);
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}
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}
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// Do basically the same as the above for scripts
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$final_scripts = array();
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// Grab scripts from base theme
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foreach ($base_theme as $base) {
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if (!empty($base->scripts)) {
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foreach ($base->scripts as $name => $script) {
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$final_scripts[$name] = $script;
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}
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}
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}
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// Add scripts used by this theme.
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if (!empty($theme->scripts)) {
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foreach ($theme->scripts as $name => $script) {
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$final_scripts[$name] = $script;
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}
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}
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// Add scripts used by this theme.
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foreach ($final_scripts as $script) {
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drupal_add_js($script, 'theme');
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}
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$theme_engine = NULL;
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// Initialize the theme.
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if (isset($theme->engine)) {
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// Include the engine.
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include_once './'. $theme->owner;
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$theme_engine = $theme->engine;
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if (function_exists($theme_engine .'_init')) {
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foreach ($base_theme as $base) {
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call_user_func($theme_engine .'_init', $base);
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}
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call_user_func($theme_engine .'_init', $theme);
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}
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}
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else {
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// include non-engine theme files
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foreach ($base_theme as $base) {
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// Include the theme file or the engine.
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if (!empty($base->owner)) {
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include_once './'. $base->owner;
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}
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}
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// and our theme gets one too.
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if (!empty($theme->owner)) {
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include_once './'. $theme->owner;
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}
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}
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$registry_callback($theme, $base_theme, $theme_engine);
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}
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/**
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* Retrieve the stored theme registry. If the theme registry is already
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* in memory it will be returned; otherwise it will attempt to load the
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* registry from cache. If this fails, it will construct the registry and
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* cache it.
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*/
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function theme_get_registry($registry = NULL) {
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static $theme_registry = NULL;
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if (isset($registry)) {
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$theme_registry = $registry;
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}
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return $theme_registry;
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}
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/**
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* Store the theme registry in memory.
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*/
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function _theme_set_registry($registry) {
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// Pass through for setting of static variable.
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return theme_get_registry($registry);
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}
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/**
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* Get the theme_registry cache from the database; if it doesn't exist, build
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* it.
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*
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* @param $theme
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* The loaded $theme object.
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* @param $base_theme
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* An array of loaded $theme objects representing the ancestor themes in
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* oldest first order.
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* @param theme_engine
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* The name of the theme engine.
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*/
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function _theme_load_registry($theme, $base_theme = NULL, $theme_engine = NULL) {
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// Check the theme registry cache; if it exists, use it.
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$cache = cache_get("theme_registry:$theme->name", 'cache');
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if (isset($cache->data)) {
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$registry = $cache->data;
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}
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else {
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// If not, build one and cache it.
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$registry = _theme_build_registry($theme, $base_theme, $theme_engine);
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_theme_save_registry($theme, $registry);
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}
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_theme_set_registry($registry);
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}
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/**
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* Write the theme_registry cache into the database.
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*/
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function _theme_save_registry($theme, $registry) {
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cache_set("theme_registry:$theme->name", $registry);
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}
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/**
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* Force the system to rebuild the theme registry; this should be called
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* when modules are added to the system, or when a dynamic system needs
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* to add more theme hooks.
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*/
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function drupal_rebuild_theme_registry() {
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cache_clear_all('theme_registry', 'cache', TRUE);
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}
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/**
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* Process a single invocation of the theme hook. $type will be one
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* of 'module', 'theme_engine' or 'theme' and it tells us some
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* important information.
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*
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* Because $cache is a reference, the cache will be continually
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* expanded upon; new entries will replace old entries in the
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* array_merge, but we are careful to ensure some data is carried
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* forward, such as the arguments a theme hook needs.
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*
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* An override flag can be set for preprocess functions. When detected the
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* cached preprocessors for the hook will not be merged with the newly set.
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* This can be useful to themes and theme engines by giving them more control
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* over how and when the preprocess functions are run.
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*/
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function _theme_process_registry(&$cache, $name, $type, $theme, $path) {
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$function = $name .'_theme';
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if (function_exists($function)) {
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$result = $function($cache, $type, $theme, $path);
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foreach ($result as $hook => $info) {
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$result[$hook]['type'] = $type;
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$result[$hook]['theme path'] = $path;
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// if function and file are left out, default to standard naming
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// conventions.
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if (!isset($info['template']) && !isset($info['function'])) {
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$result[$hook]['function'] = ($type == 'module' ? 'theme_' : $name .'_') . $hook;
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}
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// If a path is set in the info, use what was set. Otherwise use the
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// default path. This is mostly so system.module can declare theme
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// functions on behalf of core .include files.
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// All files are included to be safe. Conditionally included
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// files can prevent them from getting registered.
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if (isset($info['file']) && !isset($info['path'])) {
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$result[$hook]['file'] = $path .'/'. $info['file'];
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include_once($result[$hook]['file']);
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}
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elseif (isset($info['file']) && isset($info['path'])) {
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include_once($info['path'] .'/'. $info['file']);
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}
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if (isset($info['template']) && !isset($info['path'])) {
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$result[$hook]['template'] = $path .'/'. $info['template'];
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}
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// If 'arguments' have been defined previously, carry them forward.
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// This should happen if a theme overrides a Drupal defined theme
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// function, for example.
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if (!isset($info['arguments']) && isset($cache[$hook])) {
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$result[$hook]['arguments'] = $cache[$hook]['arguments'];
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}
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// Likewise with theme paths. These are used for template naming suggestions.
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// Theme implementations can occur in multiple paths. Suggestions should follow.
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if (!isset($info['theme paths']) && isset($cache[$hook])) {
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$result[$hook]['theme paths'] = $cache[$hook]['theme paths'];
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}
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// Check for sub-directories.
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$result[$hook]['theme paths'][] = isset($info['path']) ? $info['path'] : $path;
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// Check for default _preprocess_ functions. Ensure arrayness.
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if (!isset($info['preprocess functions']) || !is_array($info['preprocess functions'])) {
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$info['preprocess functions'] = array();
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$prefixes = array();
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if ($type == 'module') {
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// Default preprocessor prefix.
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$prefixes[] = 'template';
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// Add all modules so they can intervene with their own preprocessors. This allows them
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// to provide preprocess functions even if they are not the owner of the current hook.
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$prefixes += module_list();
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}
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elseif ($type == 'theme_engine') {
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// Theme engines get an extra set that come before the normally named preprocessors.
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$prefixes[] = $name .'_engine';
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// The theme engine also registers on behalf of the theme. The theme or engine name can be used.
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$prefixes[] = $name;
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$prefixes[] = $theme;
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}
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else {
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// This applies when the theme manually registers their own preprocessors.
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$prefixes[] = $name;
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}
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foreach ($prefixes as $prefix) {
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if (function_exists($prefix .'_preprocess')) {
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$info['preprocess functions'][] = $prefix .'_preprocess';
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}
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if (function_exists($prefix .'_preprocess_'. $hook)) {
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$info['preprocess functions'][] = $prefix .'_preprocess_'. $hook;
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}
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}
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}
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// Check for the override flag and prevent the cached preprocess functions from being used.
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// This allows themes or theme engines to remove preprocessors set earlier in the registry build.
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if (!empty($info['override preprocess functions'])) {
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// Flag not needed inside the registry.
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unset($result[$hook]['override preprocess functions']);
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}
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elseif (isset($cache[$hook]['preprocess functions']) && is_array($cache[$hook]['preprocess functions'])) {
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$info['preprocess functions'] = array_merge($cache[$hook]['preprocess functions'], $info['preprocess functions']);
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}
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$result[$hook]['preprocess functions'] = $info['preprocess functions'];
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}
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// Merge the newly created theme hooks into the existing cache.
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$cache = array_merge($cache, $result);
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}
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}
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/**
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* Rebuild the hook theme_registry cache.
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*
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* @param $theme
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* The loaded $theme object.
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* @param $base_theme
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* An array of loaded $theme objects representing the ancestor themes in
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* oldest first order.
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* @param theme_engine
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* The name of the theme engine.
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*/
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function _theme_build_registry($theme, $base_theme, $theme_engine) {
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$cache = array();
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// First, process the theme hooks advertised by modules. This will
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// serve as the basic registry.
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foreach (module_implements('theme') as $module) {
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_theme_process_registry($cache, $module, 'module', $module, drupal_get_path('module', $module));
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}
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// Process each base theme.
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foreach ($base_theme as $base) {
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// If the theme uses a theme engine, process its hooks.
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$base_path = dirname($base->filename);
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if ($theme_engine) {
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_theme_process_registry($cache, $theme_engine, 'base_theme_engine', $base->name, $base_path);
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}
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_theme_process_registry($cache, $base->name, 'base_theme', $base->name, $base_path);
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}
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// And then the same thing, but for the theme.
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if ($theme_engine) {
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_theme_process_registry($cache, $theme_engine, 'theme_engine', $theme->name, dirname($theme->filename));
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}
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// Finally, hooks provided by the theme itself.
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_theme_process_registry($cache, $theme->name, 'theme', $theme->name, dirname($theme->filename));
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// Let modules alter the registry
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drupal_alter('theme_registry', $cache);
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return $cache;
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}
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/**
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* Provides a list of currently available themes.
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*
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* If the database is active then it will be retrieved from the database.
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* Otherwise it will retrieve a new list.
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*
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* @param $refresh
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* Whether to reload the list of themes from the database.
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* @return
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* An array of the currently available themes.
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*/
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function list_themes($refresh = FALSE) {
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static $list = array();
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if ($refresh) {
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$list = array();
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}
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if (empty($list)) {
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$list = array();
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$themes = array();
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// Extract from the database only when it is available.
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// Also check that the site is not in the middle of an install or update.
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if (db_is_active() && !defined('MAINTENANCE_MODE')) {
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$result = db_query("SELECT * FROM {system} WHERE type = '%s'", 'theme');
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while ($theme = db_fetch_object($result)) {
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if (file_exists($theme->filename)) {
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$theme->info = unserialize($theme->info);
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$themes[] = $theme;
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}
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}
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}
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else {
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// Scan the installation when the database should not be read.
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$themes = _system_theme_data();
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}
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foreach ($themes as $theme) {
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foreach ($theme->info['stylesheets'] as $media => $stylesheets) {
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foreach ($stylesheets as $stylesheet => $path) {
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if (file_exists($path)) {
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$theme->stylesheets[$media][$stylesheet] = $path;
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}
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}
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}
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foreach ($theme->info['scripts'] as $script => $path) {
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if (file_exists($path)) {
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$theme->scripts[$script] = $path;
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}
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}
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if (isset($theme->info['engine'])) {
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$theme->engine = $theme->info['engine'];
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}
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if (isset($theme->info['base theme'])) {
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$theme->base_theme = $theme->info['base theme'];
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}
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// Status is normally retrieved from the database. Add zero values when
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// read from the installation directory to prevent notices.
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if (!isset($theme->status)) {
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$theme->status = 0;
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}
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$list[$theme->name] = $theme;
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}
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}
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return $list;
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}
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/**
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* Generate the themed output.
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*
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* All requests for theme hooks must go through this function. It examines
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* the request and routes it to the appropriate theme function. The theme
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* registry is checked to determine which implementation to use, which may
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* be a function or a template.
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*
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* If the implementation is a function, it is executed and its return value
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* passed along.
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*
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* If the implementation is a template, the arguments are converted to a
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* $variables array. This array is then modified by the module implementing
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* the hook, theme engine (if applicable) and the theme. The following
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* functions may be used to modify the $variables array. They are processed in
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* this order when available:
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*
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* - template_preprocess(&$variables)
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* This sets a default set of variables for all template implementations.
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*
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* - template_preprocess_HOOK(&$variables)
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* This is the first preprocessor called specific to the hook; it should be
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* implemented by the module that registers it.
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*
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* - MODULE_preprocess(&$variables)
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* This will be called for all templates; it should only be used if there
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* is a real need. It's purpose is similar to template_preprocess().
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*
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* - MODULE_preprocess_HOOK(&$variables)
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* This is for modules that want to alter or provide extra variables for
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* theming hooks not registered to itself. For example, if a module named
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* "foo" wanted to alter the $submitted variable for the hook "node" a
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* preprocess function of foo_preprocess_node() can be created to intercept
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* and alter the variable.
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*
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* - ENGINE_engine_preprocess(&$variables)
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* This function should only be implemented by theme engines and exists
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* so that it can set necessary variables for all hooks.
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*
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* - ENGINE_engine_preprocess_HOOK(&$variables)
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* This is the same as the previous function, but it is called for a single
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* theming hook.
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*
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* - ENGINE_preprocess(&$variables)
|
|
* This is meant to be used by themes that utilize a theme engine. It is
|
|
* provided so that the preprocessor is not locked into a specific theme.
|
|
* This makes it easy to share and transport code but theme authors must be
|
|
* careful to prevent fatal re-declaration errors when using sub-themes that
|
|
* have their own preprocessor named exactly the same as its base theme. In
|
|
* the default theme engine (PHPTemplate), sub-themes will load their own
|
|
* template.php file in addition to the one used for its parent theme. This
|
|
* increases the risk for these errors. A good practice is to use the engine
|
|
* name for the base theme and the theme name for the sub-themes to minimize
|
|
* this possibility.
|
|
*
|
|
* - ENGINE_preprocess_HOOK(&$variables)
|
|
* The same applies from the previous function, but it is called for a
|
|
* specific hook.
|
|
*
|
|
* - THEME_preprocess(&$variables)
|
|
* These functions are based upon the raw theme; they should primarily be
|
|
* used by themes that do not use an engine or by sub-themes. It serves the
|
|
* same purpose as ENGINE_preprocess().
|
|
*
|
|
* - THEME_preprocess_HOOK(&$variables)
|
|
* The same applies from the previous function, but it is called for a
|
|
* specific hook.
|
|
*
|
|
* There are two special variables that these hooks can set:
|
|
* 'template_file' and 'template_files'. These will be merged together
|
|
* to form a list of 'suggested' alternate template files to use, in
|
|
* reverse order of priority. template_file will always be a higher
|
|
* priority than items in template_files. theme() will then look for these
|
|
* files, one at a time, and use the first one
|
|
* that exists.
|
|
* @param $hook
|
|
* The name of the theme function to call. May be an array, in which
|
|
* case the first hook that actually has an implementation registered
|
|
* will be used. This can be used to choose 'fallback' theme implementations,
|
|
* so that if the specific theme hook isn't implemented anywhere, a more
|
|
* generic one will be used. This can allow themes to create specific theme
|
|
* implementations for named objects.
|
|
* @param ...
|
|
* Additional arguments to pass along to the theme function.
|
|
* @return
|
|
* An HTML string that generates the themed output.
|
|
*/
|
|
function theme() {
|
|
$args = func_get_args();
|
|
$hook = array_shift($args);
|
|
|
|
static $hooks = NULL;
|
|
if (!isset($hooks)) {
|
|
init_theme();
|
|
$hooks = theme_get_registry();
|
|
}
|
|
|
|
if (is_array($hook)) {
|
|
foreach ($hook as $candidate) {
|
|
if (isset($hooks[$candidate])) {
|
|
break;
|
|
}
|
|
}
|
|
$hook = $candidate;
|
|
}
|
|
|
|
if (!isset($hooks[$hook])) {
|
|
return;
|
|
}
|
|
|
|
$info = $hooks[$hook];
|
|
global $theme_path;
|
|
$temp = $theme_path;
|
|
// point path_to_theme() to the currently used theme path:
|
|
$theme_path = $info['theme path'];
|
|
|
|
// Include a file if the theme function or preprocess function is held elsewhere.
|
|
if (!empty($info['file'])) {
|
|
$include_file = $info['file'];
|
|
if (isset($info['path'])) {
|
|
$include_file = $info['path'] .'/'. $include_file;
|
|
}
|
|
include_once($include_file);
|
|
}
|
|
if (isset($info['function'])) {
|
|
// The theme call is a function.
|
|
$output = call_user_func_array($info['function'], $args);
|
|
}
|
|
else {
|
|
// The theme call is a template.
|
|
$variables = array(
|
|
'template_files' => array()
|
|
);
|
|
if (!empty($info['arguments'])) {
|
|
$count = 0;
|
|
foreach ($info['arguments'] as $name => $default) {
|
|
$variables[$name] = isset($args[$count]) ? $args[$count] : $default;
|
|
$count++;
|
|
}
|
|
}
|
|
|
|
// default render function and extension.
|
|
$render_function = 'theme_render_template';
|
|
$extension = '.tpl.php';
|
|
|
|
// Run through the theme engine variables, if necessary
|
|
global $theme_engine;
|
|
if (isset($theme_engine)) {
|
|
// If theme or theme engine is implementing this, it may have
|
|
// a different extension and a different renderer.
|
|
if ($info['type'] != 'module') {
|
|
if (function_exists($theme_engine .'_render_template')) {
|
|
$render_function = $theme_engine .'_render_template';
|
|
}
|
|
$extension_function = $theme_engine .'_extension';
|
|
if (function_exists($extension_function)) {
|
|
$extension = $extension_function();
|
|
}
|
|
}
|
|
}
|
|
|
|
if (isset($info['preprocess functions']) && is_array($info['preprocess functions'])) {
|
|
// This construct ensures that we can keep a reference through
|
|
// call_user_func_array.
|
|
$args = array(&$variables, $hook);
|
|
foreach ($info['preprocess functions'] as $preprocess_function) {
|
|
if (function_exists($preprocess_function)) {
|
|
call_user_func_array($preprocess_function, $args);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Get suggestions for alternate templates out of the variables
|
|
// that were set. This lets us dynamically choose a template
|
|
// from a list. The order is FILO, so this array is ordered from
|
|
// least appropriate first to most appropriate last.
|
|
$suggestions = array();
|
|
|
|
if (isset($variables['template_files'])) {
|
|
$suggestions = $variables['template_files'];
|
|
}
|
|
if (isset($variables['template_file'])) {
|
|
$suggestions[] = $variables['template_file'];
|
|
}
|
|
|
|
if ($suggestions) {
|
|
$template_file = drupal_discover_template($info['theme paths'], $suggestions, $extension);
|
|
}
|
|
|
|
if (empty($template_file)) {
|
|
$template_file = $info['template'] . $extension;
|
|
if (isset($info['path'])) {
|
|
$template_file = $info['path'] .'/'. $template_file;
|
|
}
|
|
}
|
|
$output = $render_function($template_file, $variables);
|
|
}
|
|
// restore path_to_theme()
|
|
$theme_path = $temp;
|
|
return $output;
|
|
}
|
|
|
|
/**
|
|
* Choose which template file to actually render. These are all suggested
|
|
* templates from themes and modules. Theming implementations can occur on
|
|
* multiple levels. All paths are checked to account for this.
|
|
*/
|
|
function drupal_discover_template($paths, $suggestions, $extension = '.tpl.php') {
|
|
global $theme_engine;
|
|
|
|
// Loop through all paths and suggestions in FIFO order.
|
|
$suggestions = array_reverse($suggestions);
|
|
$paths = array_reverse($paths);
|
|
foreach ($suggestions as $suggestion) {
|
|
if (!empty($suggestion)) {
|
|
foreach ($paths as $path) {
|
|
if (file_exists($file = $path .'/'. $suggestion . $extension)) {
|
|
return $file;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return the path to the currently selected theme.
|
|
*/
|
|
function path_to_theme() {
|
|
global $theme_path;
|
|
|
|
if (!isset($theme_path)) {
|
|
init_theme();
|
|
}
|
|
|
|
return $theme_path;
|
|
}
|
|
|
|
/**
|
|
* Find overridden theme functions. Called by themes and/or theme engines to
|
|
* easily discover theme functions.
|
|
*
|
|
* @param $cache
|
|
* The existing cache of theme hooks to test against.
|
|
* @param $prefixes
|
|
* An array of prefixes to test, in reverse order of importance.
|
|
*
|
|
* @return $templates
|
|
* The functions found, suitable for returning from hook_theme;
|
|
*/
|
|
function drupal_find_theme_functions($cache, $prefixes) {
|
|
$templates = array();
|
|
$functions = get_defined_functions();
|
|
|
|
foreach ($cache as $hook => $info) {
|
|
foreach ($prefixes as $prefix) {
|
|
if (!empty($info['pattern'])) {
|
|
$matches = preg_grep('/^'. $prefix .'_'. $info['pattern'] .'/', $functions['user']);
|
|
if ($matches) {
|
|
foreach ($matches as $match) {
|
|
$new_hook = str_replace($prefix .'_', '', $match);
|
|
$templates[$new_hook] = array(
|
|
'function' => $match,
|
|
'arguments' => $info['arguments'],
|
|
);
|
|
}
|
|
}
|
|
}
|
|
if (function_exists($prefix .'_'. $hook)) {
|
|
$templates[$hook] = array(
|
|
'function' => $prefix .'_'. $hook,
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
return $templates;
|
|
}
|
|
|
|
/**
|
|
* Find overridden theme templates. Called by themes and/or theme engines to
|
|
* easily discover templates.
|
|
*
|
|
* @param $cache
|
|
* The existing cache of theme hooks to test against.
|
|
* @param $extension
|
|
* The extension that these templates will have.
|
|
* @param $path
|
|
* The path to search.
|
|
*/
|
|
function drupal_find_theme_templates($cache, $extension, $path) {
|
|
$templates = array();
|
|
|
|
// Collect paths to all sub-themes grouped by base themes. These will be
|
|
// used for filtering. This allows base themes to have sub-themes in its
|
|
// folder hierarchy without affecting the base themes template discovery.
|
|
$theme_paths = array();
|
|
foreach (list_themes() as $theme_info) {
|
|
if (!empty($theme_info->base_theme)) {
|
|
$theme_paths[$theme_info->base_theme][$theme_info->name] = dirname($theme_info->filename);
|
|
}
|
|
}
|
|
foreach ($theme_paths as $basetheme => $subthemes) {
|
|
foreach ($subthemes as $subtheme => $subtheme_path) {
|
|
if (isset($theme_paths[$subtheme])) {
|
|
$theme_paths[$basetheme] = array_merge($theme_paths[$basetheme], $theme_paths[$subtheme]);
|
|
}
|
|
}
|
|
}
|
|
global $theme;
|
|
$subtheme_paths = isset($theme_paths[$theme]) ? $theme_paths[$theme] : array();
|
|
|
|
// Escape the periods in the extension.
|
|
$regex = str_replace('.', '\.', $extension) .'$';
|
|
// Because drupal_system_listing works the way it does, we check for real
|
|
// templates separately from checking for patterns.
|
|
$files = drupal_system_listing($regex, $path, 'name', 0);
|
|
foreach ($files as $template => $file) {
|
|
// Ignore sub-theme templates for the current theme.
|
|
if (strpos($file->filename, str_replace($subtheme_paths, '', $file->filename)) !== 0) {
|
|
continue;
|
|
}
|
|
// Chop off the remaining extensions if there are any. $template already
|
|
// has the rightmost extension removed, but there might still be more,
|
|
// such as with .tpl.php, which still has .tpl in $template at this point.
|
|
if (($pos = strpos($template, '.')) !== FALSE) {
|
|
$template = substr($template, 0, $pos);
|
|
}
|
|
// Transform - in filenames to _ to match function naming scheme
|
|
// for the purposes of searching.
|
|
$hook = strtr($template, '-', '_');
|
|
if (isset($cache[$hook])) {
|
|
$templates[$hook] = array(
|
|
'template' => $template,
|
|
'path' => dirname($file->filename),
|
|
);
|
|
}
|
|
}
|
|
|
|
$patterns = array_keys($files);
|
|
|
|
foreach ($cache as $hook => $info) {
|
|
if (!empty($info['pattern'])) {
|
|
// Transform _ in pattern to - to match file naming scheme
|
|
// for the purposes of searching.
|
|
$pattern = strtr($info['pattern'], '_', '-');
|
|
|
|
$matches = preg_grep('/^'. $pattern .'/', $patterns);
|
|
if ($matches) {
|
|
foreach ($matches as $match) {
|
|
$file = substr($match, 0, strpos($match, '.'));
|
|
// Put the underscores back in for the hook name and register this pattern.
|
|
$templates[strtr($file, '-', '_')] = array(
|
|
'template' => $file,
|
|
'path' => dirname($files[$match]->filename),
|
|
'arguments' => $info['arguments'],
|
|
);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return $templates;
|
|
}
|
|
|
|
/**
|
|
* Retrieve an associative array containing the settings for a theme.
|
|
*
|
|
* The final settings are arrived at by merging the default settings,
|
|
* the site-wide settings, and the settings defined for the specific theme.
|
|
* If no $key was specified, only the site-wide theme defaults are retrieved.
|
|
*
|
|
* The default values for each of settings are also defined in this function.
|
|
* To add new settings, add their default values here, and then add form elements
|
|
* to system_theme_settings() in system.module.
|
|
*
|
|
* @param $key
|
|
* The template/style value for a given theme.
|
|
*
|
|
* @return
|
|
* An associative array containing theme settings.
|
|
*/
|
|
function theme_get_settings($key = NULL) {
|
|
$defaults = array(
|
|
'mission' => '',
|
|
'default_logo' => 1,
|
|
'logo_path' => '',
|
|
'default_favicon' => 1,
|
|
'favicon_path' => '',
|
|
'primary_links' => 1,
|
|
'secondary_links' => 1,
|
|
'toggle_logo' => 1,
|
|
'toggle_favicon' => 1,
|
|
'toggle_name' => 1,
|
|
'toggle_search' => 1,
|
|
'toggle_slogan' => 0,
|
|
'toggle_mission' => 1,
|
|
'toggle_node_user_picture' => 0,
|
|
'toggle_comment_user_picture' => 0,
|
|
'toggle_primary_links' => 1,
|
|
'toggle_secondary_links' => 1,
|
|
);
|
|
|
|
if (module_exists('node')) {
|
|
foreach (node_get_types() as $type => $name) {
|
|
$defaults['toggle_node_info_'. $type] = 1;
|
|
}
|
|
}
|
|
$settings = array_merge($defaults, variable_get('theme_settings', array()));
|
|
|
|
if ($key) {
|
|
$settings = array_merge($settings, variable_get(str_replace('/', '_', 'theme_'. $key .'_settings'), array()));
|
|
}
|
|
|
|
// Only offer search box if search.module is enabled.
|
|
if (!module_exists('search') || !user_access('search content')) {
|
|
$settings['toggle_search'] = 0;
|
|
}
|
|
|
|
return $settings;
|
|
}
|
|
|
|
/**
|
|
* Retrieve a setting for the current theme.
|
|
* This function is designed for use from within themes & engines
|
|
* to determine theme settings made in the admin interface.
|
|
*
|
|
* Caches values for speed (use $refresh = TRUE to refresh cache)
|
|
*
|
|
* @param $setting_name
|
|
* The name of the setting to be retrieved.
|
|
*
|
|
* @param $refresh
|
|
* Whether to reload the cache of settings.
|
|
*
|
|
* @return
|
|
* The value of the requested setting, NULL if the setting does not exist.
|
|
*/
|
|
function theme_get_setting($setting_name, $refresh = FALSE) {
|
|
global $theme_key;
|
|
static $settings;
|
|
|
|
if (empty($settings) || $refresh) {
|
|
$settings = theme_get_settings($theme_key);
|
|
|
|
$themes = list_themes();
|
|
$theme_object = $themes[$theme_key];
|
|
|
|
if ($settings['mission'] == '') {
|
|
$settings['mission'] = variable_get('site_mission', '');
|
|
}
|
|
|
|
if (!$settings['toggle_mission']) {
|
|
$settings['mission'] = '';
|
|
}
|
|
|
|
if ($settings['toggle_logo']) {
|
|
if ($settings['default_logo']) {
|
|
$settings['logo'] = base_path() . dirname($theme_object->filename) .'/logo.png';
|
|
}
|
|
elseif ($settings['logo_path']) {
|
|
$settings['logo'] = base_path() . $settings['logo_path'];
|
|
}
|
|
}
|
|
|
|
if ($settings['toggle_favicon']) {
|
|
if ($settings['default_favicon']) {
|
|
if (file_exists($favicon = dirname($theme_object->filename) .'/favicon.ico')) {
|
|
$settings['favicon'] = base_path() . $favicon;
|
|
}
|
|
else {
|
|
$settings['favicon'] = base_path() .'misc/favicon.ico';
|
|
}
|
|
}
|
|
elseif ($settings['favicon_path']) {
|
|
$settings['favicon'] = base_path() . $settings['favicon_path'];
|
|
}
|
|
else {
|
|
$settings['toggle_favicon'] = FALSE;
|
|
}
|
|
}
|
|
}
|
|
|
|
return isset($settings[$setting_name]) ? $settings[$setting_name] : NULL;
|
|
}
|
|
|
|
/**
|
|
* Render a system default template, which is essentially a PHP template.
|
|
*
|
|
* @param $file
|
|
* The filename of the template to render.
|
|
* @param $variables
|
|
* A keyed array of variables that will appear in the output.
|
|
*
|
|
* @return
|
|
* The output generated by the template.
|
|
*/
|
|
function theme_render_template($file, $variables) {
|
|
extract($variables, EXTR_SKIP); // Extract the variables to a local namespace
|
|
ob_start(); // Start output buffering
|
|
include "./$file"; // Include the file
|
|
$contents = ob_get_contents(); // Get the contents of the buffer
|
|
ob_end_clean(); // End buffering and discard
|
|
return $contents; // Return the contents
|
|
}
|
|
|
|
/**
|
|
* @defgroup themeable Default theme implementations
|
|
* @{
|
|
* Functions and templates that present output to the user, and can be
|
|
* implemented by themes.
|
|
*
|
|
* Drupal's presentation layer is a pluggable system known as the theme
|
|
* layer. Each theme can take control over most of Drupal's output, and
|
|
* has complete control over the CSS.
|
|
*
|
|
* Inside Drupal, the theme layer is utilized by the use of the theme()
|
|
* function, which is passed the name of a component (the theme hook)
|
|
* and several arguments. For example, theme('table', $header, $rows);
|
|
* Additionally, the theme() function can take an array of theme
|
|
* hooks, which can be used to provide 'fallback' implementations to
|
|
* allow for more specific control of output. For example, the function:
|
|
* theme(array('table__foo', 'table'), $header, $rows) would look to see if
|
|
* 'table__foo' is registered anywhere; if it is not, it would 'fall back'
|
|
* to the generic 'table' implementation. This can be used to attach specific
|
|
* theme functions to named objects, allowing the themer more control over
|
|
* specific types of output.
|
|
*
|
|
* As of Drupal 6, every theme hook is required to be registered by the
|
|
* module that owns it, so that Drupal can tell what to do with it and
|
|
* to make it simple for themes to identify and override the behavior
|
|
* for these calls.
|
|
*
|
|
* The theme hooks are registered via hook_theme(), which returns an
|
|
* array of arrays with information about the hook. It describes the
|
|
* arguments the function or template will need, and provides
|
|
* defaults for the template in case they are not filled in. If the default
|
|
* implementation is a function, by convention it is named theme_HOOK().
|
|
*
|
|
* Each module should provide a default implementation for themes that
|
|
* it registers. This implementation may be either a function or a template;
|
|
* if it is a function it must be specified via hook_theme(). By convention,
|
|
* default implementations of theme hooks are named theme_HOOK. Default
|
|
* template implementations are stored in the module directory.
|
|
*
|
|
* Drupal's default template renderer is a simple PHP parsing engine that
|
|
* includes the template and stores the output. Drupal's theme engines
|
|
* can provide alternate template engines, such as XTemplate, Smarty and
|
|
* PHPTal. The most common template engine is PHPTemplate (included with
|
|
* Drupal and implemented in phptemplate.engine, which uses Drupal's default
|
|
* template renderer.
|
|
*
|
|
* In order to create theme-specific implementations of these hooks,
|
|
* themes can implement their own version of theme hooks, either as functions
|
|
* or templates. These implementations will be used instead of the default
|
|
* implementation. If using a pure .theme without an engine, the .theme is
|
|
* required to implement its own version of hook_theme() to tell Drupal what
|
|
* it is implementing; themes utilizing an engine will have their well-named
|
|
* theming functions automatically registered for them. While this can vary
|
|
* based upon the theme engine, the standard set by phptemplate is that theme
|
|
* functions should be named either phptemplate_HOOK or THEMENAME_HOOK. For
|
|
* example, for Drupal's default theme (Garland) to implement the 'table' hook,
|
|
* the phptemplate.engine would find phptemplate_table() or garland_table().
|
|
* The ENGINE_HOOK() syntax is preferred, as this can be used by sub-themes
|
|
* (which are themes that share code but use different stylesheets).
|
|
*
|
|
* The theme system is described and defined in theme.inc.
|
|
*
|
|
* @see theme()
|
|
* @see hook_theme()
|
|
*/
|
|
|
|
/**
|
|
* Formats text for emphasized display in a placeholder inside a sentence.
|
|
* Used automatically by t().
|
|
*
|
|
* @param $text
|
|
* The text to format (plain-text).
|
|
* @return
|
|
* The formatted text (html).
|
|
*/
|
|
function theme_placeholder($text) {
|
|
return '<em>'. check_plain($text) .'</em>';
|
|
}
|
|
|
|
/**
|
|
* Return a themed set of status and/or error messages. The messages are grouped
|
|
* by type.
|
|
*
|
|
* @param $display
|
|
* (optional) Set to 'status' or 'error' to display only messages of that type.
|
|
*
|
|
* @return
|
|
* A string containing the messages.
|
|
*/
|
|
function theme_status_messages($display = NULL) {
|
|
$output = '';
|
|
foreach (drupal_get_messages($display) as $type => $messages) {
|
|
$output .= "<div class=\"messages $type\">\n";
|
|
if (count($messages) > 1) {
|
|
$output .= " <ul>\n";
|
|
foreach ($messages as $message) {
|
|
$output .= ' <li>'. $message ."</li>\n";
|
|
}
|
|
$output .= " </ul>\n";
|
|
}
|
|
else {
|
|
$output .= $messages[0];
|
|
}
|
|
$output .= "</div>\n";
|
|
}
|
|
return $output;
|
|
}
|
|
|
|
/**
|
|
* Return a themed set of links.
|
|
*
|
|
* @param $links
|
|
* A keyed array of links to be themed.
|
|
* @param $attributes
|
|
* A keyed array of attributes
|
|
* @return
|
|
* A string containing an unordered list of links.
|
|
*/
|
|
function theme_links($links, $attributes = array('class' => 'links')) {
|
|
$output = '';
|
|
|
|
if (count($links) > 0) {
|
|
$output = '<ul'. drupal_attributes($attributes) .'>';
|
|
|
|
$num_links = count($links);
|
|
$i = 1;
|
|
|
|
foreach ($links as $key => $link) {
|
|
$class = $key;
|
|
|
|
// Add first, last and active classes to the list of links to help out themers.
|
|
if ($i == 1) {
|
|
$class .= ' first';
|
|
}
|
|
if ($i == $num_links) {
|
|
$class .= ' last';
|
|
}
|
|
if (isset($link['href']) && $link['href'] == $_GET['q']) {
|
|
$class .= ' active';
|
|
}
|
|
$output .= '<li class="'. $class .'">';
|
|
|
|
if (isset($link['href'])) {
|
|
// Pass in $link as $options, they share the same keys.
|
|
$output .= l($link['title'], $link['href'], $link);
|
|
}
|
|
else if (!empty($link['title'])) {
|
|
// Some links are actually not links, but we wrap these in <span> for adding title and class attributes
|
|
if (empty($link['html'])) {
|
|
$link['title'] = check_plain($link['title']);
|
|
}
|
|
$span_attributes = '';
|
|
if (isset($link['attributes'])) {
|
|
$span_attributes = drupal_attributes($link['attributes']);
|
|
}
|
|
$output .= '<span'. $span_attributes .'>'. $link['title'] .'</span>';
|
|
}
|
|
|
|
$i++;
|
|
$output .= "</li>\n";
|
|
}
|
|
|
|
$output .= '</ul>';
|
|
}
|
|
|
|
return $output;
|
|
}
|
|
|
|
/**
|
|
* Return a themed image.
|
|
*
|
|
* @param $path
|
|
* Either the path of the image file (relative to base_path()) or a full URL.
|
|
* @param $alt
|
|
* The alternative text for text-based browsers.
|
|
* @param $title
|
|
* The title text is displayed when the image is hovered in some popular browsers.
|
|
* @param $attributes
|
|
* Associative array of attributes to be placed in the img tag.
|
|
* @param $getsize
|
|
* If set to TRUE, the image's dimension are fetched and added as width/height attributes.
|
|
* @return
|
|
* A string containing the image tag.
|
|
*/
|
|
function theme_image($path, $alt = '', $title = '', $attributes = NULL, $getsize = TRUE) {
|
|
if (!$getsize || (is_file($path) && (list($width, $height, $type, $image_attributes) = @getimagesize($path)))) {
|
|
$attributes = drupal_attributes($attributes);
|
|
$url = (url($path) == $path) ? $path : (base_path() . $path);
|
|
return '<img src="'. check_url($url) .'" alt="'. check_plain($alt) .'" title="'. check_plain($title) .'" '. (isset($image_attributes) ? $image_attributes : '') . $attributes .' />';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return a themed breadcrumb trail.
|
|
*
|
|
* @param $breadcrumb
|
|
* An array containing the breadcrumb links.
|
|
* @return a string containing the breadcrumb output.
|
|
*/
|
|
function theme_breadcrumb($breadcrumb) {
|
|
if (!empty($breadcrumb)) {
|
|
return '<div class="breadcrumb">'. implode(' » ', $breadcrumb) .'</div>';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return a themed help message.
|
|
*
|
|
* @return a string containing the helptext for the current page.
|
|
*/
|
|
function theme_help() {
|
|
if ($help = menu_get_active_help()) {
|
|
return '<div class="help">'. $help .'</div>';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return a themed submenu, typically displayed under the tabs.
|
|
*
|
|
* @param $links
|
|
* An array of links.
|
|
*/
|
|
function theme_submenu($links) {
|
|
return '<div class="submenu">'. implode(' | ', $links) .'</div>';
|
|
}
|
|
|
|
/**
|
|
* Return a themed table.
|
|
*
|
|
* @param $header
|
|
* An array containing the table headers. Each element of the array can be
|
|
* either a localized string or an associative array with the following keys:
|
|
* - "data": The localized title of the table column.
|
|
* - "field": The database field represented in the table column (required if
|
|
* user is to be able to sort on this column).
|
|
* - "sort": A default sort order for this column ("asc" or "desc").
|
|
* - Any HTML attributes, such as "colspan", to apply to the column header cell.
|
|
* @param $rows
|
|
* An array of table rows. Every row is an array of cells, or an associative
|
|
* array with the following keys:
|
|
* - "data": an array of cells
|
|
* - Any HTML attributes, such as "class", to apply to the table row.
|
|
*
|
|
* Each cell can be either a string or an associative array with the following keys:
|
|
* - "data": The string to display in the table cell.
|
|
* - "header": Indicates this cell is a header.
|
|
* - Any HTML attributes, such as "colspan", to apply to the table cell.
|
|
*
|
|
* Here's an example for $rows:
|
|
* @verbatim
|
|
* $rows = array(
|
|
* // Simple row
|
|
* array(
|
|
* 'Cell 1', 'Cell 2', 'Cell 3'
|
|
* ),
|
|
* // Row with attributes on the row and some of its cells.
|
|
* array(
|
|
* 'data' => array('Cell 1', array('data' => 'Cell 2', 'colspan' => 2)), 'class' => 'funky'
|
|
* )
|
|
* );
|
|
* @endverbatim
|
|
*
|
|
* @param $attributes
|
|
* An array of HTML attributes to apply to the table tag.
|
|
* @param $caption
|
|
* A localized string to use for the <caption> tag.
|
|
* @return
|
|
* An HTML string representing the table.
|
|
*/
|
|
function theme_table($header, $rows, $attributes = array(), $caption = NULL) {
|
|
|
|
// Add sticky headers, if applicable.
|
|
if (count($header)) {
|
|
drupal_add_js('misc/tableheader.js');
|
|
// Add 'sticky-enabled' class to the table to identify it for JS.
|
|
// This is needed to target tables constructed by this function.
|
|
$attributes['class'] = empty($attributes['class']) ? 'sticky-enabled' : ($attributes['class'] .' sticky-enabled');
|
|
}
|
|
|
|
$output = '<table'. drupal_attributes($attributes) .">\n";
|
|
|
|
if (isset($caption)) {
|
|
$output .= '<caption>'. $caption ."</caption>\n";
|
|
}
|
|
|
|
// Format the table header:
|
|
if (count($header)) {
|
|
$ts = tablesort_init($header);
|
|
// HTML requires that the thead tag has tr tags in it follwed by tbody
|
|
// tags. Using ternary operator to check and see if we have any rows.
|
|
$output .= (count($rows) ? ' <thead><tr>' : ' <tr>');
|
|
foreach ($header as $cell) {
|
|
$cell = tablesort_header($cell, $header, $ts);
|
|
$output .= _theme_table_cell($cell, TRUE);
|
|
}
|
|
// Using ternary operator to close the tags based on whether or not there are rows
|
|
$output .= (count($rows) ? " </tr></thead>\n" : "</tr>\n");
|
|
}
|
|
else {
|
|
$ts = array();
|
|
}
|
|
|
|
// Format the table rows:
|
|
if (count($rows)) {
|
|
$output .= "<tbody>\n";
|
|
$flip = array('even' => 'odd', 'odd' => 'even');
|
|
$class = 'even';
|
|
foreach ($rows as $number => $row) {
|
|
$attributes = array();
|
|
|
|
// Check if we're dealing with a simple or complex row
|
|
if (isset($row['data'])) {
|
|
foreach ($row as $key => $value) {
|
|
if ($key == 'data') {
|
|
$cells = $value;
|
|
}
|
|
else {
|
|
$attributes[$key] = $value;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
$cells = $row;
|
|
}
|
|
if (count($cells)) {
|
|
// Add odd/even class
|
|
$class = $flip[$class];
|
|
if (isset($attributes['class'])) {
|
|
$attributes['class'] .= ' '. $class;
|
|
}
|
|
else {
|
|
$attributes['class'] = $class;
|
|
}
|
|
|
|
// Build row
|
|
$output .= ' <tr'. drupal_attributes($attributes) .'>';
|
|
$i = 0;
|
|
foreach ($cells as $cell) {
|
|
$cell = tablesort_cell($cell, $header, $ts, $i++);
|
|
$output .= _theme_table_cell($cell);
|
|
}
|
|
$output .= " </tr>\n";
|
|
}
|
|
}
|
|
$output .= "</tbody>\n";
|
|
}
|
|
|
|
$output .= "</table>\n";
|
|
return $output;
|
|
}
|
|
|
|
/**
|
|
* Returns a header cell for tables that have a select all functionality.
|
|
*/
|
|
function theme_table_select_header_cell() {
|
|
drupal_add_js('misc/tableselect.js');
|
|
|
|
return array('class' => 'select-all');
|
|
}
|
|
|
|
/**
|
|
* Return a themed sort icon.
|
|
*
|
|
* @param $style
|
|
* Set to either asc or desc. This sets which icon to show.
|
|
* @return
|
|
* A themed sort icon.
|
|
*/
|
|
function theme_tablesort_indicator($style) {
|
|
if ($style == "asc") {
|
|
return theme('image', 'misc/arrow-asc.png', t('sort icon'), t('sort ascending'));
|
|
}
|
|
else {
|
|
return theme('image', 'misc/arrow-desc.png', t('sort icon'), t('sort descending'));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return a themed box.
|
|
*
|
|
* @param $title
|
|
* The subject of the box.
|
|
* @param $content
|
|
* The content of the box.
|
|
* @param $region
|
|
* The region in which the box is displayed.
|
|
* @return
|
|
* A string containing the box output.
|
|
*/
|
|
function theme_box($title, $content, $region = 'main') {
|
|
$output = '<h2 class="title">'. $title .'</h2><div>'. $content .'</div>';
|
|
return $output;
|
|
}
|
|
|
|
/**
|
|
* Return a themed marker, useful for marking new or updated
|
|
* content.
|
|
*
|
|
* @param $type
|
|
* Number representing the marker type to display
|
|
* @see MARK_NEW, MARK_UPDATED, MARK_READ
|
|
* @return
|
|
* A string containing the marker.
|
|
*/
|
|
function theme_mark($type = MARK_NEW) {
|
|
global $user;
|
|
if ($user->uid) {
|
|
if ($type == MARK_NEW) {
|
|
return ' <span class="marker">'. t('new') .'</span>';
|
|
}
|
|
else if ($type == MARK_UPDATED) {
|
|
return ' <span class="marker">'. t('updated') .'</span>';
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return a themed list of items.
|
|
*
|
|
* @param $items
|
|
* An array of items to be displayed in the list. If an item is a string,
|
|
* then it is used as is. If an item is an array, then the "data" element of
|
|
* the array is used as the contents of the list item. If an item is an array
|
|
* with a "children" element, those children are displayed in a nested list.
|
|
* All other elements are treated as attributes of the list item element.
|
|
* @param $title
|
|
* The title of the list.
|
|
* @param $attributes
|
|
* The attributes applied to the list element.
|
|
* @param $type
|
|
* The type of list to return (e.g. "ul", "ol")
|
|
* @return
|
|
* A string containing the list output.
|
|
*/
|
|
function theme_item_list($items = array(), $title = NULL, $type = 'ul', $attributes = NULL) {
|
|
$output = '<div class="item-list">';
|
|
if (isset($title)) {
|
|
$output .= '<h3>'. $title .'</h3>';
|
|
}
|
|
|
|
if (!empty($items)) {
|
|
$output .= "<$type". drupal_attributes($attributes) .'>';
|
|
$num_items = count($items);
|
|
foreach ($items as $i => $item) {
|
|
$attributes = array();
|
|
$children = array();
|
|
if (is_array($item)) {
|
|
foreach ($item as $key => $value) {
|
|
if ($key == 'data') {
|
|
$data = $value;
|
|
}
|
|
elseif ($key == 'children') {
|
|
$children = $value;
|
|
}
|
|
else {
|
|
$attributes[$key] = $value;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
$data = $item;
|
|
}
|
|
if (count($children) > 0) {
|
|
$data .= theme_item_list($children, NULL, $type, $attributes); // Render nested list
|
|
}
|
|
if ($i == 0) {
|
|
$attributes['class'] = empty($attributes['class']) ? 'first' : ($attributes['class'] .' first');
|
|
}
|
|
if ($i == $num_items - 1) {
|
|
$attributes['class'] = empty($attributes['class']) ? 'last' : ($attributes['class'] .' last');
|
|
}
|
|
$output .= '<li'. drupal_attributes($attributes) .'>'. $data ."</li>\n";
|
|
}
|
|
$output .= "</$type>";
|
|
}
|
|
$output .= '</div>';
|
|
return $output;
|
|
}
|
|
|
|
/**
|
|
* Returns code that emits the 'more help'-link.
|
|
*/
|
|
function theme_more_help_link($url) {
|
|
return '<div class="more-help-link">'. t('[<a href="@link">more help...</a>]', array('@link' => check_url($url))) .'</div>';
|
|
}
|
|
|
|
/**
|
|
* Return code that emits an XML icon.
|
|
*
|
|
* For most use cases, this function has been superseded by theme_feed_icon().
|
|
*
|
|
* @see theme_feed_icon()
|
|
* @param $url
|
|
* The url of the feed.
|
|
*/
|
|
function theme_xml_icon($url) {
|
|
if ($image = theme('image', 'misc/xml.png', t('XML feed'), t('XML feed'))) {
|
|
return '<a href="'. check_url($url) .'" class="xml-icon">'. $image .'</a>';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return code that emits an feed icon.
|
|
*
|
|
* @param $url
|
|
* The url of the feed.
|
|
* @param $title
|
|
* A descriptive title of the feed.
|
|
*/
|
|
function theme_feed_icon($url, $title) {
|
|
if ($image = theme('image', 'misc/feed.png', t('Syndicate content'), $title)) {
|
|
return '<a href="'. check_url($url) .'" class="feed-icon">'. $image .'</a>';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns code that emits the 'more' link used on blocks.
|
|
*
|
|
* @param $url
|
|
* The url of the main page
|
|
* @param $title
|
|
* A descriptive verb for the link, like 'Read more'
|
|
*/
|
|
function theme_more_link($url, $title) {
|
|
return '<div class="more-link">'. t('<a href="@link" title="@title">more</a>', array('@link' => check_url($url), '@title' => $title)) .'</div>';
|
|
}
|
|
|
|
/**
|
|
* Execute hook_footer() which is run at the end of the page right before the
|
|
* close of the body tag.
|
|
*
|
|
* @param $main (optional)
|
|
* Whether the current page is the front page of the site.
|
|
* @return
|
|
* A string containing the results of the hook_footer() calls.
|
|
*/
|
|
function theme_closure($main = 0) {
|
|
$footer = module_invoke_all('footer', $main);
|
|
return implode("\n", $footer) . drupal_get_js('footer');
|
|
}
|
|
|
|
/**
|
|
* Return a set of blocks available for the current user.
|
|
*
|
|
* @param $region
|
|
* Which set of blocks to retrieve.
|
|
* @return
|
|
* A string containing the themed blocks for this region.
|
|
*/
|
|
function theme_blocks($region) {
|
|
$output = '';
|
|
|
|
if ($list = block_list($region)) {
|
|
foreach ($list as $key => $block) {
|
|
// $key == <i>module</i>_<i>delta</i>
|
|
$output .= theme('block', $block);
|
|
}
|
|
}
|
|
|
|
// Add any content assigned to this region through drupal_set_content() calls.
|
|
$output .= drupal_get_content($region);
|
|
|
|
return $output;
|
|
}
|
|
|
|
/**
|
|
* Format a username.
|
|
*
|
|
* @param $object
|
|
* The user object to format, usually returned from user_load().
|
|
* @return
|
|
* A string containing an HTML link to the user's page if the passed object
|
|
* suggests that this is a site user. Otherwise, only the username is returned.
|
|
*/
|
|
function theme_username($object) {
|
|
|
|
if ($object->uid && $object->name) {
|
|
// Shorten the name when it is too long or it will break many tables.
|
|
if (drupal_strlen($object->name) > 20) {
|
|
$name = drupal_substr($object->name, 0, 15) .'...';
|
|
}
|
|
else {
|
|
$name = $object->name;
|
|
}
|
|
|
|
if (user_access('access user profiles')) {
|
|
$output = l($name, 'user/'. $object->uid, array('title' => t('View user profile.')));
|
|
}
|
|
else {
|
|
$output = check_plain($name);
|
|
}
|
|
}
|
|
else if ($object->name) {
|
|
// Sometimes modules display content composed by people who are
|
|
// not registered members of the site (e.g. mailing list or news
|
|
// aggregator modules). This clause enables modules to display
|
|
// the true author of the content.
|
|
if (!empty($object->homepage)) {
|
|
$output = l($object->name, $object->homepage, array('rel' => 'nofollow'));
|
|
}
|
|
else {
|
|
$output = check_plain($object->name);
|
|
}
|
|
|
|
$output .= ' ('. t('not verified') .')';
|
|
}
|
|
else {
|
|
$output = variable_get('anonymous', t('Anonymous'));
|
|
}
|
|
|
|
return $output;
|
|
}
|
|
|
|
/**
|
|
* Return a themed progress bar.
|
|
*
|
|
* @param $percent
|
|
* The percentage of the progress.
|
|
* @param $message
|
|
* A string containing information to be displayed.
|
|
* @return
|
|
* A themed HTML string representing the progress bar.
|
|
*/
|
|
function theme_progress_bar($percent, $message) {
|
|
$output = '<div id="progress" class="progress">';
|
|
$output .= '<div class="bar"><div class="filled" style="width: '. $percent .'%"></div></div>';
|
|
$output .= '<div class="percentage">'. $percent .'%</div>';
|
|
$output .= '<div class="message">'. $message .'</div>';
|
|
$output .= '</div>';
|
|
|
|
return $output;
|
|
}
|
|
|
|
/**
|
|
* Create a standard indentation div. Used for drag and drop tables.
|
|
*
|
|
* @param $size
|
|
* Optional. The number of indentations to create.
|
|
* @return
|
|
* A string containing indentations.
|
|
*/
|
|
function theme_indentation($size = 1) {
|
|
$output = '';
|
|
for ($n = 0; $n < $size; $n++) {
|
|
$output .= '<div class="indentation"> </div>';
|
|
}
|
|
return $output;
|
|
}
|
|
|
|
/**
|
|
* @} End of "defgroup themeable".
|
|
*/
|
|
|
|
function _theme_table_cell($cell, $header = FALSE) {
|
|
$attributes = '';
|
|
|
|
if (is_array($cell)) {
|
|
$data = isset($cell['data']) ? $cell['data'] : '';
|
|
$header |= isset($cell['header']);
|
|
unset($cell['data']);
|
|
unset($cell['header']);
|
|
$attributes = drupal_attributes($cell);
|
|
}
|
|
else {
|
|
$data = $cell;
|
|
}
|
|
|
|
if ($header) {
|
|
$output = "<th$attributes>$data</th>";
|
|
}
|
|
else {
|
|
$output = "<td$attributes>$data</td>";
|
|
}
|
|
|
|
return $output;
|
|
}
|
|
|
|
/**
|
|
* Adds a default set of helper variables for preprocess functions and
|
|
* templates. This comes in before any other preprocess function which makes
|
|
* it possible to be used in default theme implementations (non-overriden
|
|
* theme functions).
|
|
*/
|
|
function template_preprocess(&$variables, $hook) {
|
|
global $user;
|
|
static $count = array();
|
|
|
|
// Track run count for each hook to provide zebra striping.
|
|
// See "template_preprocess_block()" which provides the same feature specific to blocks.
|
|
$count[$hook] = isset($count[$hook]) && is_int($count[$hook]) ? $count[$hook] : 1;
|
|
$variables['zebra'] = ($count[$hook] % 2) ? 'odd' : 'even';
|
|
$variables['id'] = $count[$hook]++;
|
|
|
|
// Tell all templates where they are located.
|
|
$variables['directory'] = path_to_theme();
|
|
|
|
// Set default variables that depend on the database.
|
|
$variables['is_admin'] = FALSE;
|
|
$variables['is_front'] = FALSE;
|
|
$variables['logged_in'] = FALSE;
|
|
if ($variables['db_is_active'] = db_is_active() && !defined('MAINTENANCE_MODE')) {
|
|
// Check for administrators.
|
|
if (user_access('access administration pages')) {
|
|
$variables['is_admin'] = TRUE;
|
|
}
|
|
// Flag front page status.
|
|
$variables['is_front'] = drupal_is_front_page();
|
|
// Tell all templates by which kind of user they're viewed.
|
|
$variables['logged_in'] = ($user->uid > 0);
|
|
// Provide user object to all templates
|
|
$variables['user'] = $user;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Process variables for page.tpl.php
|
|
*
|
|
* Most themes utilize their own copy of page.tpl.php. The default is located
|
|
* inside "modules/system/page.tpl.php". Look in there for the full list of
|
|
* variables.
|
|
*
|
|
* Uses the arg() function to generate a series of page template suggestions
|
|
* based on the current path.
|
|
*
|
|
* Any changes to variables in this preprocessor should also be changed inside
|
|
* template_preprocess_maintenance_page() to keep all them consistent.
|
|
*
|
|
* The $variables array contains the following arguments:
|
|
* - $content
|
|
* - $show_blocks
|
|
*
|
|
* @see page.tpl.php
|
|
*/
|
|
function template_preprocess_page(&$variables) {
|
|
// Add favicon
|
|
if (theme_get_setting('toggle_favicon')) {
|
|
drupal_set_html_head('<link rel="shortcut icon" href="'. check_url(theme_get_setting('favicon')) .'" type="image/x-icon" />');
|
|
}
|
|
|
|
global $theme;
|
|
// Populate all block regions.
|
|
$regions = system_region_list($theme);
|
|
// Load all region content assigned via blocks.
|
|
foreach (array_keys($regions) as $region) {
|
|
// Prevent left and right regions from rendering blocks when 'show_blocks' == FALSE.
|
|
if (!(!$variables['show_blocks'] && ($region == 'left' || $region == 'right'))) {
|
|
$blocks = theme('blocks', $region);
|
|
}
|
|
else {
|
|
$blocks = '';
|
|
}
|
|
// Assign region to a region variable.
|
|
isset($variables[$region]) ? $variables[$region] .= $blocks : $variables[$region] = $blocks;
|
|
}
|
|
|
|
// Set up layout variable.
|
|
$variables['layout'] = 'none';
|
|
if (!empty($variables['left'])) {
|
|
$variables['layout'] = 'left';
|
|
}
|
|
if (!empty($variables['right'])) {
|
|
$variables['layout'] = ($variables['layout'] == 'left') ? 'both' : 'right';
|
|
}
|
|
|
|
// Set mission when viewing the frontpage.
|
|
if (drupal_is_front_page()) {
|
|
$mission = filter_xss_admin(theme_get_setting('mission'));
|
|
}
|
|
|
|
// Construct page title
|
|
if (drupal_get_title()) {
|
|
$head_title = array(strip_tags(drupal_get_title()), variable_get('site_name', 'Drupal'));
|
|
}
|
|
else {
|
|
$head_title = array(variable_get('site_name', 'Drupal'));
|
|
if (variable_get('site_slogan', '')) {
|
|
$head_title[] = variable_get('site_slogan', '');
|
|
}
|
|
}
|
|
$variables['head_title'] = implode(' | ', $head_title);
|
|
$variables['base_path'] = base_path();
|
|
$variables['front_page'] = url();
|
|
$variables['breadcrumb'] = theme('breadcrumb', drupal_get_breadcrumb());
|
|
$variables['feed_icons'] = drupal_get_feeds();
|
|
$variables['footer_message'] = filter_xss_admin(variable_get('site_footer', FALSE));
|
|
$variables['head'] = drupal_get_html_head();
|
|
$variables['help'] = theme('help');
|
|
$variables['language'] = $GLOBALS['language'];
|
|
$variables['language']->dir = $GLOBALS['language']->direction ? 'rtl' : 'ltr';
|
|
$variables['logo'] = theme_get_setting('logo');
|
|
$variables['messages'] = $variables['show_messages'] ? theme('status_messages') : '';
|
|
$variables['mission'] = isset($mission) ? $mission : '';
|
|
$variables['primary_links'] = theme_get_setting('toggle_primary_links') ? menu_primary_links() : array();
|
|
$variables['secondary_links'] = theme_get_setting('toggle_secondary_links') ? menu_secondary_links() : array();
|
|
$variables['search_box'] = (theme_get_setting('toggle_search') ? drupal_get_form('search_theme_form') : '');
|
|
$variables['site_name'] = (theme_get_setting('toggle_name') ? variable_get('site_name', 'Drupal') : '');
|
|
$variables['site_slogan'] = (theme_get_setting('toggle_slogan') ? variable_get('site_slogan', '') : '');
|
|
$variables['css'] = drupal_add_css();
|
|
$variables['styles'] = drupal_get_css();
|
|
$variables['scripts'] = drupal_get_js();
|
|
$variables['tabs'] = theme('menu_local_tasks');
|
|
$variables['title'] = drupal_get_title();
|
|
// Closure should be filled last.
|
|
$variables['closure'] = theme('closure');
|
|
|
|
if ($node = menu_get_object()) {
|
|
$variables['node'] = $node;
|
|
}
|
|
|
|
// Compile a list of classes that are going to be applied to the body element.
|
|
// This allows advanced theming based on context (home page, node of certain type, etc.).
|
|
$body_classes = array();
|
|
// Add a class that tells us whether we're on the front page or not.
|
|
$body_classes[] = $variables['is_front'] ? 'front' : 'not-front';
|
|
// Add a class that tells us whether the page is viewed by an authenticated user or not.
|
|
$body_classes[] = $variables['logged_in'] ? 'logged-in' : 'not-logged-in';
|
|
// Add arg(0) to make it possible to theme the page depending on the current page
|
|
// type (e.g. node, admin, user, etc.). To avoid illegal characters in the class,
|
|
// we're removing everything disallowed. We are not using 'a-z' as that might leave
|
|
// in certain international characters (e.g. German umlauts).
|
|
$body_classes[] = preg_replace('![^abcdefghijklmnopqrstuvwxyz0-9-_]+!s', '', 'page-'. form_clean_id(drupal_strtolower(arg(0))));
|
|
// If on an individual node page, add the node type.
|
|
if (isset($variables['node']) && $variables['node']->type) {
|
|
$body_classes[] = 'node-type-'. form_clean_id($variables['node']->type);
|
|
}
|
|
// Add information about the number of sidebars.
|
|
if ($variables['layout'] == 'both') {
|
|
$body_classes[] = 'two-sidebars';
|
|
}
|
|
elseif ($variables['layout'] == 'none') {
|
|
$body_classes[] = 'no-sidebars';
|
|
}
|
|
else {
|
|
$body_classes[] = 'one-sidebar sidebar-'. $variables['layout'];
|
|
}
|
|
// Implode with spaces.
|
|
$variables['body_classes'] = implode(' ', $body_classes);
|
|
|
|
// Build a list of suggested template files in order of specificity. One
|
|
// suggestion is made for every element of the current path, though
|
|
// numeric elements are not carried to subsequent suggestions. For example,
|
|
// http://www.example.com/node/1/edit would result in the following
|
|
// suggestions:
|
|
//
|
|
// page-node-edit.tpl.php
|
|
// page-node-1.tpl.php
|
|
// page-node.tpl.php
|
|
// page.tpl.php
|
|
$i = 0;
|
|
$suggestion = 'page';
|
|
$suggestions = array();
|
|
while ($arg = arg($i++)) {
|
|
$suggestions[] = $suggestion .'-'. $arg;
|
|
if (!is_numeric($arg)) {
|
|
$suggestion .= '-'. $arg;
|
|
}
|
|
}
|
|
if (drupal_is_front_page()) {
|
|
$suggestions[] = 'page-front';
|
|
}
|
|
|
|
if ($suggestions) {
|
|
$variables['template_files'] = $suggestions;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Process variables for node.tpl.php
|
|
*
|
|
* Most themes utilize their own copy of node.tpl.php. The default is located
|
|
* inside "modules/node/node.tpl.php". Look in there for the full list of
|
|
* variables.
|
|
*
|
|
* The $variables array contains the following arguments:
|
|
* - $node
|
|
* - $teaser
|
|
* - $page
|
|
*
|
|
* @see node.tpl.php
|
|
*/
|
|
function template_preprocess_node(&$variables) {
|
|
$node = $variables['node'];
|
|
if (module_exists('taxonomy')) {
|
|
$variables['taxonomy'] = taxonomy_link('taxonomy terms', $node);
|
|
}
|
|
else {
|
|
$variables['taxonomy'] = array();
|
|
}
|
|
|
|
if ($variables['teaser'] && $node->teaser) {
|
|
$variables['content'] = $node->teaser;
|
|
}
|
|
elseif (isset($node->body)) {
|
|
$variables['content'] = $node->body;
|
|
}
|
|
else {
|
|
$variables['content'] = '';
|
|
}
|
|
|
|
$variables['date'] = format_date($node->created);
|
|
$variables['links'] = !empty($node->links) ? theme('links', $node->links, array('class' => 'links inline')) : '';
|
|
$variables['name'] = theme('username', $node);
|
|
$variables['node_url'] = url('node/'. $node->nid);
|
|
$variables['terms'] = theme('links', $variables['taxonomy'], array('class' => 'links inline'));
|
|
$variables['title'] = check_plain($node->title);
|
|
|
|
// Flatten the node object's member fields.
|
|
$variables = array_merge((array)$node, $variables);
|
|
|
|
// Display info only on certain node types.
|
|
if (theme_get_setting('toggle_node_info_'. $node->type)) {
|
|
$variables['submitted'] = theme('node_submitted', $node);
|
|
$variables['picture'] = theme_get_setting('toggle_node_user_picture') ? theme('user_picture', $node) : '';
|
|
}
|
|
else {
|
|
$variables['submitted'] = '';
|
|
$variables['picture'] = '';
|
|
}
|
|
// Clean up name so there are no underscores.
|
|
$variables['template_files'][] = 'node-'. $node->type;
|
|
}
|
|
|
|
/**
|
|
* Process variables for block.tpl.php
|
|
*
|
|
* Prepare the values passed to the theme_block function to be passed
|
|
* into a pluggable template engine. Uses block properties to generate a
|
|
* series of template file suggestions. If none are found, the default
|
|
* block.tpl.php is used.
|
|
*
|
|
* Most themes utilize their own copy of block.tpl.php. The default is located
|
|
* inside "modules/system/block.tpl.php". Look in there for the full list of
|
|
* variables.
|
|
*
|
|
* The $variables array contains the following arguments:
|
|
* - $block
|
|
*
|
|
* @see block.tpl.php
|
|
*/
|
|
function template_preprocess_block(&$variables) {
|
|
static $block_counter = array();
|
|
// All blocks get an independent counter for each region.
|
|
if (!isset($block_counter[$variables['block']->region])) {
|
|
$block_counter[$variables['block']->region] = 1;
|
|
}
|
|
// Same with zebra striping.
|
|
$variables['block_zebra'] = ($block_counter[$variables['block']->region] % 2) ? 'odd' : 'even';
|
|
$variables['block_id'] = $block_counter[$variables['block']->region]++;
|
|
|
|
$variables['template_files'][] = 'block-'. $variables['block']->region;
|
|
$variables['template_files'][] = 'block-'. $variables['block']->module;
|
|
$variables['template_files'][] = 'block-'. $variables['block']->module .'-'. $variables['block']->delta;
|
|
}
|
|
|