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<?php
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/**
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* @file
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* Contains the flag_user class.
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*/
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/**
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* Implements a user flag.
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*/
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class flag_user extends flag_entity {
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function options() {
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$options = parent::options();
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$options += array(
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'show_on_profile' => TRUE,
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'access_uid' => '',
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);
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return $options;
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}
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/**
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* Options form extras for user flags.
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*/
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function options_form(&$form) {
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parent::options_form($form);
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$form['access']['types'] = array(
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// A user flag doesn't support node types.
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// TODO: Maybe support roles instead of node types.
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'#type' => 'value',
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'#value' => array(0 => 0),
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);
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$form['access']['access_uid'] = array(
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'#type' => 'checkbox',
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'#title' => t('Users may flag themselves'),
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'#description' => t('Disabling this option may be useful when setting up a "friend" flag, when a user flagging themself does not make sense.'),
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'#default_value' => $this->access_uid ? 0 : 1,
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);
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$form['display']['show_on_profile'] = array(
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'#type' => 'checkbox',
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'#title' => t('Display link on user profile page'),
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'#description' => t('Show the link formatted as a user profile element.'),
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'#default_value' => $this->show_on_profile,
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// Put this above 'show on entity'.
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'#weight' => -1,
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);
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}
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function form_input($form_values) {
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parent::form_input($form_values);
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// The access_uid value is intentionally backwards from the UI, to avoid
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// confusion caused by checking a box to disable a feature.
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$this->access_uid = empty($form_values['access_uid']) ? 'others' : '';
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}
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function type_access($entity_id, $action, $account) {
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// Prevent users from flagging themselves.
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if ($this->access_uid == 'others' && $entity_id == $account->uid) {
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return FALSE;
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}
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}
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function type_access_multiple($entity_ids, $account) {
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$access = array();
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// Exclude anonymous.
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if (array_key_exists(0, $entity_ids)) {
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$access[0] = FALSE;
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}
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// Prevent users from flagging themselves.
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if ($this->access_uid == 'others' && array_key_exists($account->uid, $entity_ids)) {
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$access[$account->uid] = FALSE;
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}
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return $access;
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}
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function get_flag_action($entity_id) {
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$flag_action = parent::get_flag_action($entity_id);
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$user = $this->fetch_entity($entity_id);
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$flag_action->content_title = $user->name;
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$flag_action->content_url = $this->_flag_url('user/' . $user->uid);
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return $flag_action;
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}
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function get_relevant_action_objects($entity_id) {
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return array(
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'user' => $this->fetch_entity($entity_id),
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);
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}
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function get_views_info() {
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$views_info = parent::get_views_info();
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$views_info['title field'] = 'name';
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return $views_info;
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}
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}
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