598 lines
20 KiB
PHP
598 lines
20 KiB
PHP
<?php
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// $Id$
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/**
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* @file
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* Page callbacks for adding, editing, deleting, and revisions management for content.
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*/
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/**
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* Menu callback; presents the node editing form, or redirects to delete confirmation.
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*/
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function node_page_edit($node) {
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drupal_set_title(t('Edit %title', array('%title' => $node->title)));
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return drupal_get_form($node->type .'_node_form', $node);
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}
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function node_add_page() {
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$item = menu_get_item();
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$content = system_admin_menu_block($item);
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return theme('node_add_list', $content);
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}
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function theme_node_add_list($content) {
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$output = '';
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if ($content) {
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$output = '<dl class="node-type-list">';
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foreach ($content as $item) {
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$output .= '<dt>'. l($item['title'], $item['href'], $item['options']) .'</dt>';
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$output .= '<dd>'. $item['description'] .'</dd>';
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}
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$output .= '</dl>';
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}
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return $output;
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}
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/**
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* Present a node submission form or a set of links to such forms.
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*/
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function node_add($type) {
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global $user;
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$types = node_get_types();
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$type = isset($type) ? str_replace('-', '_', $type) : NULL;
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// If a node type has been specified, validate its existence.
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if (isset($types[$type]) && node_access('create', $type)) {
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// Initialize settings:
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$node = array('uid' => $user->uid, 'name' => $user->name, 'type' => $type, 'language' => '');
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drupal_set_title(t('Create @name', array('@name' => $types[$type]->name)));
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$output = drupal_get_form($type .'_node_form', $node);
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}
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return $output;
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}
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function node_form_validate($form, &$form_state) {
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node_validate($form_state['values'], $form);
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}
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function node_object_prepare(&$node) {
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// Set up default values, if required.
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$node_options = variable_get('node_options_'. $node->type, array('status', 'promote'));
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// If this is a new node, fill in the default values.
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if (!isset($node->nid)) {
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foreach (array('status', 'promote', 'sticky') as $key) {
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$node->$key = in_array($key, $node_options);
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}
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global $user;
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$node->uid = $user->uid;
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$node->created = time();
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}
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else {
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$node->date = format_date($node->created, 'custom', 'Y-m-d H:i:s O');
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}
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// Always use the default revision setting.
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$node->revision = in_array('revision', $node_options);
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node_invoke($node, 'prepare');
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node_invoke_nodeapi($node, 'prepare');
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}
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/**
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* Generate the node add/edit form array.
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*/
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function node_form(&$form_state, $node) {
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global $user;
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if (isset($form_state['node'])) {
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$node = $form_state['node'] + (array)$node;
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}
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if (isset($form_state['node_preview'])) {
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$form['#prefix'] = $form_state['node_preview'];
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}
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$node = (object)$node;
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foreach (array('body', 'title', 'format') as $key) {
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if (!isset($node->$key)) {
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$node->$key = NULL;
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}
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}
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if (!isset($form_state['node_preview'])) {
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node_object_prepare($node);
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}
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else {
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$node->build_mode = NODE_BUILD_PREVIEW;
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}
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// Set the id of the top-level form tag
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$form['#id'] = 'node-form';
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/**
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* Basic node information.
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* These elements are just values so they are not even sent to the client.
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*/
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foreach (array('nid', 'vid', 'uid', 'created', 'type', 'language') as $key) {
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$form[$key] = array('#type' => 'value', '#value' => isset($node->$key) ? $node->$key : NULL);
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}
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// Changed must be sent to the client, for later overwrite error checking.
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$form['changed'] = array('#type' => 'hidden', '#default_value' => isset($node->changed) ? $node->changed : NULL);
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// Get the node-specific bits.
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if ($extra = node_invoke($node, 'form', $form_state)) {
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$form = array_merge_recursive($form, $extra);
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}
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if (!isset($form['title']['#weight'])) {
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$form['title']['#weight'] = -5;
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}
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$form['#node'] = $node;
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// Add a log field if the "Create new revision" option is checked, or if the
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// current user has the ability to check that option.
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if (!empty($node->revision) || user_access('administer nodes')) {
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$form['revision_information'] = array(
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'#type' => 'fieldset',
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'#title' => t('Revision information'),
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'#collapsible' => TRUE,
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// Collapsed by default when "Create new revision" is unchecked
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'#collapsed' => !$node->revision,
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'#weight' => 20,
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);
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$form['revision_information']['revision'] = array(
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'#access' => user_access('administer nodes'),
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'#type' => 'checkbox',
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'#title' => t('Create new revision'),
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'#default_value' => $node->revision,
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);
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$form['revision_information']['log'] = array(
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'#type' => 'textarea',
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'#title' => t('Log message'),
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'#rows' => 2,
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'#description' => t('An explanation of the additions or updates being made to help other authors understand your motivations.'),
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);
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}
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// Node author information for administrators
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$form['author'] = array(
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'#type' => 'fieldset',
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'#access' => user_access('administer nodes'),
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'#title' => t('Authoring information'),
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'#collapsible' => TRUE,
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'#collapsed' => TRUE,
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'#weight' => 20,
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);
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$form['author']['name'] = array('#type' => 'textfield', '#title' => t('Authored by'), '#maxlength' => 60, '#autocomplete_path' => 'user/autocomplete', '#default_value' => $node->name ? $node->name : '', '#weight' => -1, '#description' => t('Leave blank for %anonymous.', array('%anonymous' => variable_get('anonymous', t('Anonymous')))));
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$form['author']['date'] = array('#type' => 'textfield', '#title' => t('Authored on'), '#maxlength' => 25, '#description' => t('Format: %time. Leave blank to use the time of form submission.', array('%time' => !empty($node->date) ? $node->date : format_date($node->created, 'custom', 'Y-m-d H:i:s O'))));
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if (isset($node->date)) {
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$form['author']['date']['#default_value'] = $node->date;
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}
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// Node options for administrators
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$form['options'] = array(
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'#type' => 'fieldset',
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'#access' => user_access('administer nodes'),
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'#title' => t('Publishing options'),
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'#collapsible' => TRUE,
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'#collapsed' => TRUE,
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'#weight' => 25,
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);
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$form['options']['status'] = array('#type' => 'checkbox', '#title' => t('Published'), '#default_value' => $node->status);
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$form['options']['promote'] = array('#type' => 'checkbox', '#title' => t('Promoted to front page'), '#default_value' => $node->promote);
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$form['options']['sticky'] = array('#type' => 'checkbox', '#title' => t('Sticky at top of lists'), '#default_value' => $node->sticky);
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// These values are used when the user has no administrator access.
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foreach (array('uid', 'created') as $key) {
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$form[$key] = array('#type' => 'value', '#value' => $node->$key);
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}
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// Add the buttons.
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$form['buttons'] = array();
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$form['buttons']['preview'] = array(
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'#type' => 'submit',
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'#value' => t('Preview'),
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'#weight' => 5,
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'#submit' => array('node_form_build_preview'),
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);
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$form['buttons']['submit'] = array(
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'#type' => 'submit',
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'#value' => t('Save'),
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'#weight' => 10,
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'#submit' => array('node_form_submit'),
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);
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if (!empty($node->nid) && node_access('delete', $node)) {
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$form['buttons']['delete'] = array(
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'#type' => 'submit',
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'#value' => t('Delete'),
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'#weight' => 15,
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'#submit' => array('node_form_delete_submit'),
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);
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}
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$form['#validate'][] = 'node_form_validate';
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$form['#theme'] = 'node_form';
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return $form;
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}
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/**
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* Return a node body field, with format and teaser.
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*/
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function node_body_field(&$node, $label, $word_count) {
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// Check if we need to restore the teaser at the beginning of the body.
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$include = !isset($node->teaser) || ($node->teaser == substr($node->body, 0, strlen($node->teaser)));
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$form = array(
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'#after_build' => array('node_teaser_js'));
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$form['teaser_js'] = array(
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'#type' => 'textarea',
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'#rows' => 10,
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'#teaser' => 'edit-body',
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'#teaser_checkbox' => 'edit-teaser-include',
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'#disabled' => TRUE);
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$form['teaser_include'] = array(
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'#type' => 'checkbox',
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'#title' => t('Show summary in full view'),
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'#default_value' => $include,
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'#prefix' => '<div class="teaser-checkbox">',
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'#suffix' => '</div>',
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);
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$form['body'] = array(
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'#type' => 'textarea',
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'#title' => check_plain($label),
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'#default_value' => $include ? $node->body : ($node->teaser . $node->body),
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'#rows' => 20,
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'#required' => ($word_count > 0));
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$form['format'] = filter_form($node->format);
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return $form;
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}
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/**
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* Button sumit function: handle the 'Delete' button on the node form.
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*/
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function node_form_delete_submit($form, &$form_state) {
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$destination = '';
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if (isset($_REQUEST['destination'])) {
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$destination = drupal_get_destination();
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unset($_REQUEST['destination']);
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}
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$node = $form['#node'];
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$form_state['redirect'] = array('node/'. $node->nid .'/delete', $destination);
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}
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function node_form_build_preview($form, &$form_state) {
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$node = node_form_submit_build_node($form, $form_state);
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$form_state['node_preview'] = node_preview($node);
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}
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function theme_node_form($form) {
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$output = "\n<div class=\"node-form\">\n";
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// Admin form fields and submit buttons must be rendered first, because
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// they need to go to the bottom of the form, and so should not be part of
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// the catch-all call to drupal_render().
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$admin = '';
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if (isset($form['author'])) {
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$admin .= " <div class=\"authored\">\n";
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$admin .= drupal_render($form['author']);
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$admin .= " </div>\n";
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}
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if (isset($form['options'])) {
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$admin .= " <div class=\"options\">\n";
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$admin .= drupal_render($form['options']);
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$admin .= " </div>\n";
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}
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$buttons = drupal_render($form['buttons']);
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// Everything else gets rendered here, and is displayed before the admin form
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// field and the submit buttons.
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$output .= " <div class=\"standard\">\n";
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$output .= drupal_render($form);
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$output .= " </div>\n";
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if (!empty($admin)) {
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$output .= " <div class=\"admin\">\n";
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$output .= $admin;
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$output .= " </div>\n";
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}
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$output .= $buttons;
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$output .= "</div>\n";
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return $output;
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}
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/**
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* Generate a node preview.
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*/
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function node_preview($node) {
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if (node_access('create', $node) || node_access('update', $node)) {
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// Load the user's name when needed:
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if (isset($node->name)) {
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// The use of isset() is mandatory in the context of user IDs, because
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// user ID 0 denotes the anonymous user.
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if ($user = user_load(array('name' => $node->name))) {
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$node->uid = $user->uid;
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$node->picture = $user->picture;
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}
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else {
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$node->uid = 0; // anonymous user
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}
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}
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else if ($node->uid) {
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$user = user_load(array('uid' => $node->uid));
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$node->name = $user->name;
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$node->picture = $user->picture;
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}
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$node->changed = time();
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// Extract a teaser, if it hasn't been set (e.g. by a module-provided
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// 'teaser' form item).
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if (!isset($node->teaser)) {
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$node->teaser = empty($node->body) ? '' : node_teaser($node->body, $node->format);
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// Chop off the teaser from the body if needed.
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if (!$node->teaser_include && $node->teaser == substr($node->body, 0, strlen($node->teaser))) {
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$node->body = substr($node->body, strlen($node->teaser));
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}
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}
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// Display a preview of the node:
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// Previewing alters $node so it needs to be cloned.
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if (!form_get_errors()) {
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$cloned_node = drupal_clone($node);
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$cloned_node->build_mode = NODE_BUILD_PREVIEW;
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$output = theme('node_preview', $cloned_node);
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}
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drupal_set_title(t('Preview'));
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drupal_set_breadcrumb(array(l(t('Home'), NULL), l(t('Create content'), 'node/add'), l(t('Submit @name', array('@name' => node_get_types('name', $node))), 'node/add/'. $node->type)));
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return $output;
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}
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}
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/**
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* Display a node preview for display during node creation and editing.
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*
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* @param $node
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* The node object which is being previewed.
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*/
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function theme_node_preview($node) {
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$output = '<div class="preview">';
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if (!empty($node->teaser) && !empty($node->body) && $node->teaser != $node->body) {
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drupal_set_message(t('The trimmed version of your post shows what your post looks like when promoted to the main page or when exported for syndication.<span class="no-js"> You can insert the delimiter "<!--break-->" (without the quotes) to fine-tune where your post gets split.</span>'));
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$output .= '<h3>'. t('Preview trimmed version') .'</h3>';
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$output .= node_view(drupal_clone($node), 1, FALSE, 0);
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$output .= '<h3>'. t('Preview full version') .'</h3>';
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$output .= node_view($node, 0, FALSE, 0);
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}
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else {
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$output .= node_view($node, 0, FALSE, 0);
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}
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$output .= "</div>\n";
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return $output;
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}
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function node_form_submit($form, &$form_state) {
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global $user;
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$node = node_form_submit_build_node($form, $form_state);
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$insert = empty($node->nid);
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node_save($node);
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$node_link = l(t('view'), 'node/'. $node->nid);
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$watchdog_args = array('@type' => $node->type, '%title' => $node->title);
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$t_args = array('%post' => node_get_types('name', $node));
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if ($insert) {
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watchdog('content', '@type: added %title.', $watchdog_args, WATCHDOG_NOTICE, $node_link);
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drupal_set_message(t('Your %post has been created.', $t_args));
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}
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else {
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watchdog('content', '@type: updated %title.', $watchdog_args, WATCHDOG_NOTICE, $node_link);
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drupal_set_message(t('The %post has been updated.', $t_args));
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}
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if ($node->nid) {
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unset($form_state['rebuild']);
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$form_state['redirect'] = 'node/'. $node->nid;
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}
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else {
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// In the unlikely case something went wrong on save, the node will be
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// rebuilt and node form redisplayed the same way as in preview.
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drupal_set_message(t('The node could not be saved.'), 'error');
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}
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}
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/**
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* Build a node by processing submitted form values and prepare for a form rebuild.
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*/
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function node_form_submit_build_node($form, &$form_state) {
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// Unset any button-level handlers, execute all the form-level submit
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// functions to process the form values into an updated node.
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unset($form_state['submit_handlers']);
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form_execute_handlers('submit', $form, $form_state);
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$node = node_submit($form_state['values']);
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$form_state['node'] = (array)$node;
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$form_state['rebuild'] = TRUE;
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return $node;
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}
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/**
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* Menu callback -- ask for confirmation of node deletion
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*/
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function node_delete_confirm(&$form_state, $node) {
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$form['nid'] = array('#type' => 'value', '#value' => $node->nid);
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return confirm_form($form,
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t('Are you sure you want to delete %title?', array('%title' => $node->title)),
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isset($_GET['destination']) ? $_GET['destination'] : 'node/'. $node->nid,
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t('This action cannot be undone.'),
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t('Delete'), t('Cancel'));
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}
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/**
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* Execute node deletion
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*/
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function node_delete_confirm_submit($form, &$form_state) {
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if ($form_state['values']['confirm']) {
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node_delete($form_state['values']['nid']);
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}
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$form_state['redirect'] = '<front>';
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return;
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}
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/**
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* Menu callback for revisions related activities.
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*/
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function node_revisions() {
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if (is_numeric(arg(1)) && arg(2) == 'revisions') {
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$op = arg(4) ? arg(4) : 'overview';
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switch ($op) {
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case 'overview':
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$node = node_load(arg(1));
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if ((user_access('view revisions') || user_access('administer nodes')) && node_access('view', $node)) {
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return node_revision_overview($node);
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}
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drupal_access_denied();
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return;
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case 'view':
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if (is_numeric(arg(3))) {
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$node = node_load(arg(1), arg(3));
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if ($node->nid) {
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if ((user_access('view revisions') || user_access('administer nodes')) && node_access('view', $node)) {
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drupal_set_title(t('Revision of %title from %date', array('%title' => $node->title, '%date' => format_date($node->revision_timestamp))));
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return node_show($node, arg(2));
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}
|
|
drupal_access_denied();
|
|
return;
|
|
}
|
|
}
|
|
break;
|
|
case 'revert':
|
|
node_revision_revert(arg(1), arg(3));
|
|
break;
|
|
case 'delete':
|
|
node_revision_delete(arg(1), arg(3));
|
|
break;
|
|
}
|
|
}
|
|
drupal_not_found();
|
|
}
|
|
|
|
/**
|
|
* Generate an overview table of older revisions of a node.
|
|
*/
|
|
function node_revision_overview($node) {
|
|
drupal_set_title(t('Revisions for %title', array('%title' => $node->title)));
|
|
|
|
$header = array(t('Revision'), array('data' => t('Operations'), 'colspan' => 2));
|
|
|
|
$revisions = node_revision_list($node);
|
|
|
|
$rows = array();
|
|
$revert_permission = FALSE;
|
|
if ((user_access('revert revisions') || user_access('administer nodes')) && node_access('update', $node)) {
|
|
$revert_permission = TRUE;
|
|
}
|
|
$delete_permission = FALSE;
|
|
if (user_access('administer nodes')) {
|
|
$delete_permission = TRUE;
|
|
}
|
|
foreach ($revisions as $revision) {
|
|
$row = array();
|
|
$operations = array();
|
|
|
|
if ($revision->current_vid > 0) {
|
|
$row[] = array('data' => t('!date by !username', array('!date' => l(format_date($revision->timestamp, 'small'), "node/$node->nid"), '!username' => theme('username', $revision)))
|
|
. (($revision->log != '') ? '<p class="revision-log">'. filter_xss($revision->log) .'</p>' : ''),
|
|
'class' => 'revision-current');
|
|
$operations[] = array('data' => theme('placeholder', t('current revision')), 'class' => 'revision-current', 'colspan' => 2);
|
|
}
|
|
else {
|
|
$row[] = t('!date by !username', array('!date' => l(format_date($revision->timestamp, 'small'), "node/$node->nid/revisions/$revision->vid/view"), '!username' => theme('username', $revision)))
|
|
. (($revision->log != '') ? '<p class="revision-log">'. filter_xss($revision->log) .'</p>' : '');
|
|
if ($revert_permission) {
|
|
$operations[] = l(t('revert'), "node/$node->nid/revisions/$revision->vid/revert");
|
|
}
|
|
if ($delete_permission) {
|
|
$operations[] = l(t('delete'), "node/$node->nid/revisions/$revision->vid/delete");
|
|
}
|
|
}
|
|
$rows[] = array_merge($row, $operations);
|
|
}
|
|
|
|
return theme('table', $header, $rows);
|
|
}
|
|
|
|
/**
|
|
* Revert to the revision with the specified revision number. A node and nodeapi "update" event is triggered
|
|
* (via the node_save() call) when a revision is reverted.
|
|
*/
|
|
function node_revision_revert($nid, $revision) {
|
|
global $user;
|
|
|
|
$node = node_load($nid, $revision);
|
|
if ((user_access('revert revisions') || user_access('administer nodes')) && node_access('update', $node)) {
|
|
if ($node->vid) {
|
|
$node->revision = 1;
|
|
$node->log = t('Copy of the revision from %date.', array('%date' => format_date($node->revision_timestamp)));
|
|
if (module_exists('taxonomy')) {
|
|
$node->taxonomy = array_keys($node->taxonomy);
|
|
}
|
|
|
|
node_save($node);
|
|
|
|
drupal_set_message(t('%title has been reverted back to the revision from %revision-date', array('%revision-date' => format_date($node->revision_timestamp), '%title' => $node->title)));
|
|
watchdog('content', '@type: reverted %title revision %revision.', array('@type' => $node->type, '%title' => $node->title, '%revision' => $revision));
|
|
}
|
|
else {
|
|
drupal_set_message(t('You tried to revert to an invalid revision.'), 'error');
|
|
}
|
|
drupal_goto('node/'. $nid .'/revisions');
|
|
}
|
|
drupal_access_denied();
|
|
}
|
|
|
|
/**
|
|
* Delete the revision with specified revision number. A "delete revision" nodeapi event is invoked when a
|
|
* revision is deleted.
|
|
*/
|
|
function node_revision_delete($nid, $revision) {
|
|
if (user_access('administer nodes')) {
|
|
$node = node_load($nid);
|
|
if (node_access('delete', $node)) {
|
|
// Don't delete the current revision
|
|
if ($revision != $node->vid) {
|
|
$node = node_load($nid, $revision);
|
|
|
|
db_query("DELETE FROM {node_revisions} WHERE nid = %d AND vid = %d", $nid, $revision);
|
|
node_invoke_nodeapi($node, 'delete revision');
|
|
drupal_set_message(t('Deleted %title revision %revision.', array('%title' => $node->title, '%revision' => $revision)));
|
|
watchdog('content', '@type: deleted %title revision %revision.', array('@type' => $node->type, '%title' => $node->title, '%revision' => $revision));
|
|
}
|
|
|
|
else {
|
|
drupal_set_message(t('Deletion failed. You tried to delete the current revision.'));
|
|
}
|
|
if (db_result(db_query('SELECT COUNT(vid) FROM {node_revisions} WHERE nid = %d', $nid)) > 1) {
|
|
drupal_goto("node/$nid/revisions");
|
|
}
|
|
else {
|
|
drupal_goto("node/$nid");
|
|
}
|
|
}
|
|
}
|
|
|
|
drupal_access_denied();
|
|
}
|
|
|