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<?php
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// $Id$
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/**
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* @file
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* Integrates the Actions module into Views by providing a field for
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* each action.
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*/
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/*********************************************************************
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* Hooks: Drupal
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*/
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/**
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* Implementation of hook_perm().
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*/
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function views_actions_links_perm() {
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$permissions = array();
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$actions = actions_get_all_actions();
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foreach($actions as $aid => $action) {
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$permissions[] = 'execute ' . $action['description'] . ' from views';
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}
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return $permissions;
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}
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/**
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* Implementation of hook_menu().
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*/
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function views_actions_links_menu($may_cache) {
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$items = array();
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if(!$may_cache) {
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if(arg(0) == 'views_actions_links' && arg(1) == 'action') {
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$access = user_access(_views_actions_links_get_perm(arg(2)));
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} else {
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$access = FALSE;
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}
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$items[] = array(
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'path' => 'views_actions_links/action',
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'type' => MENU_CALLBACK,
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'access' => $access,
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'callback' => 'views_actions_links_do'
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);
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}
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return $items;
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}
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/*********************************************************************
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* Hooks: Views
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*/
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/**
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* Implementation of hook_views_tables().
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*/
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function views_actions_links_views_tables() {
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$actions = actions_get_all_actions();
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$action_fields = array();
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foreach($actions as $aid => $action) {
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$action_fields['views_actions_links_' . $aid] = array(
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'name' => t('!type: !name (action)', array('!type' => $action['type'], '!name' => $action['description'])),
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'help' => t('Provide a link to trigger the !name action.', array('!name' => $action['description'])),
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'notafield' => TRUE,
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'handler' => 'views_actions_links_provide_link',
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'action' => $action,
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);
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}
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$tables['views_actions_links'] = array(
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'name' => 'views_actions_links',
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'join' => array(
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'left' => array(
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'table' => 'node',
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'field' => 'nid',
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),
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'right' => array(
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'field' => 'nid',
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),
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),
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'fields' => $action_fields,
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);
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return $tables;
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}
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/**
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* Views field handler to provide the link to a menu callback that will
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* trigger the action.
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*/
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function views_actions_links_provide_link($fieldinfo, $fielddata, $value, $data) {
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$nid = $data->nid;
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$action = $fieldinfo['action'];
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if(user_access(_views_actions_links_get_perm($action))) {
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return l($action['description'], 'views_actions_links/action/' . $action['function'] . '/' . $nid, array(), drupal_get_destination());
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}
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}
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/*********************************************************************
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* Menu Callbacks
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*/
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/**
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* The actual menu callback that triggers the action for a given nid.
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*/
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function views_actions_links_do($action, $nid) {
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$result = actions_do($action, node_load($nid));
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drupal_set_message(t('Action performed.'));
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drupal_goto(substr(drupal_get_destination(), 12));
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}
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/*********************************************************************
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* Helper functions
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*/
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function _views_actions_links_get_perm($action) {
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if(is_array($action)) {
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return 'execute ' . $action['description'] . ' from views';
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} else {
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return 'execute ' . $action . ' from views';
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}
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}
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