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<?php
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/**
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* @file
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* Contains the flag_node class.
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*/
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/**
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* Implements a node flag.
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*/
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class flag_node extends flag_entity {
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function options() {
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$options = parent::options();
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// Use own display settings in the meanwhile.
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$options += array(
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'i18n' => 0,
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);
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return $options;
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}
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/**
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* Options form extras for node flags.
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*/
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function options_form(&$form) {
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parent::options_form($form);
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$form['access']['access_author'] = array(
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'#type' => 'radios',
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'#title' => t('Flag access by content authorship'),
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'#options' => array(
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'' => t('No additional restrictions'),
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'own' => t('Users may only flag content they own'),
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'others' => t('Users may only flag content of others'),
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),
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'#default_value' => $this->access_author,
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'#description' => t("Restrict access to this flag based on the user's ownership of the content. Users must also have access to the flag through the role settings."),
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);
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// Support for i18n flagging requires Translation helpers module.
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$form['i18n'] = array(
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'#type' => 'radios',
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'#title' => t('Internationalization'),
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'#options' => array(
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'1' => t('Flag translations of content as a group'),
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'0' => t('Flag each translation of content separately'),
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),
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'#default_value' => $this->i18n,
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'#description' => t('Flagging translations as a group effectively allows users to flag the original piece of content regardless of the translation they are viewing. Changing this setting will <strong>not</strong> update content that has been flagged already.'),
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'#access' => module_exists('translation_helpers'),
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'#weight' => 5,
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);
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// Override the UI texts for nodes.
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$form['display']['show_on_form'] = array(
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'#title' => t('Display checkbox on node edit form'),
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'#description' => t('If you elect to have a checkbox on the node edit form, you may specify its initial state in the settings form <a href="@content-types-url">for each content type</a>.', array('@content-types-url' => url('admin/structure/types'))),
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) + $form['display']['show_on_form'];
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// Add the 'teaser' view mode as a default value for the entity link display
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// option if this is a new flag.
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if (empty($this->fid)) {
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$form['display']['show_in_links']['#default_value']['teaser'] = 'teaser';
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}
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}
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function type_access_multiple($entity_ids, $account) {
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$access = array();
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// If all subtypes are allowed, we have nothing to say here.
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if (empty($this->types)) {
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return $access;
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}
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// Ensure that only flaggable node types are granted access. This avoids a
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// node_load() on every type, usually done by applies_to_entity_id().
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$result = db_select('node', 'n')->fields('n', array('nid'))
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->condition('nid', array_keys($entity_ids), 'IN')
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->condition('type', $this->types, 'NOT IN')
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->execute();
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foreach ($result as $row) {
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$access[$row->nid] = FALSE;
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}
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return $access;
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}
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/**
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* Adjust the Content ID to find the translation parent if i18n-enabled.
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*
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* @param $entity_id
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* The nid for the content.
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*
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* @return
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* The tnid if available, the nid otherwise.
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*/
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function get_translation_id($entity_id) {
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if ($this->i18n) {
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$node = $this->fetch_entity($entity_id);
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if (!empty($node->tnid)) {
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$entity_id = $node->tnid;
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}
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}
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return $entity_id;
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}
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function flag($action, $entity_id, $account = NULL, $skip_permission_check = FALSE, $flagging = NULL) {
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$entity_id = $this->get_translation_id($entity_id);
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return parent::flag($action, $entity_id, $account, $skip_permission_check, $flagging);
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}
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// Instead of overriding is_flagged() we override get_flagging_record(),
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// which is the underlying method.
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function get_flagging_record($entity_id, $uid = NULL, $sid = NULL) {
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$entity_id = $this->get_translation_id($entity_id);
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return parent::get_flagging_record($entity_id, $uid, $sid);
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}
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/**
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* This is overridden for no other purpose than to document that $entity_id
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* can be one of the following fake IDs in certain contexts:
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* - 'new': On a new node form.
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* - 'fake': On the node type admin form.
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*/
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function replace_tokens($label, $contexts, $options, $entity_id) {
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return parent::replace_tokens($label, $contexts, $options, $entity_id);
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}
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}
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