1350 lines
40 KiB
Plaintext
1350 lines
40 KiB
Plaintext
<?php
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/**
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* @file
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* The page manager module provides a UI and API to manage pages.
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*
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* It defines pages, both for system pages, overrides of system pages, and
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* custom pages using Drupal's normal menu system. It allows complex
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* manipulations of these pages, their content, and their hierarchy within
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* the site. These pages can be exported to code for superior revision
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* control.
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*/
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/**
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* Bit flag on the 'changed' value to tell us if an item was moved.
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*/
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define('PAGE_MANAGER_CHANGED_MOVED', 0x01);
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/**
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* Bit flag on the 'changed' value to tell us if an item edited or added.
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*/
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define('PAGE_MANAGER_CHANGED_CACHED', 0x02);
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/**
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* Bit flag on the 'changed' value to tell us if an item deleted.
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*/
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define('PAGE_MANAGER_CHANGED_DELETED', 0x04);
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/**
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* Bit flag on the 'changed' value to tell us if an item has had its disabled status changed.
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*/
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define('PAGE_MANAGER_CHANGED_STATUS', 0x08);
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// --------------------------------------------------------------------------
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// Drupal hooks
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/**
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* Implements hook_permission().
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*/
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function page_manager_permission() {
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return array(
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'use page manager' => array(
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'title' => t('Use Page Manager'),
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'description' => t("Allows users to use most of Page Manager's features, though restricts some of the most powerful, potentially site-damaging features. Note that even the reduced featureset still allows for enormous control over your website."),
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'restrict access' => TRUE,
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),
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'administer page manager' => array(
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'title' => t('Administer Page Manager'),
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'description' => t('Allows complete control over Page Manager, i.e., complete control over your site. Grant with extreme caution.'),
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'restrict access' => TRUE,
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),
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);
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}
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/**
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* Implements hook_ctools_plugin_directory() to let the system know
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* where our task and task_handler plugins are.
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*/
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function page_manager_ctools_plugin_directory($owner, $plugin_type) {
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if ($owner == 'page_manager') {
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return 'plugins/' . $plugin_type;
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}
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if ($owner == 'ctools' && $plugin_type == 'cache') {
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return 'plugins/' . $plugin_type;
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}
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}
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/**
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* Implements hook_ctools_plugin_type() to inform the plugin system that Page
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* Manager owns task, task_handler, and page_wizard plugin types.
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*
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* All of these are empty because the defaults all work.
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*/
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function page_manager_ctools_plugin_type() {
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return array(
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'tasks' => array(),
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'task_handlers' => array(),
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'page_wizards' => array(),
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);
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}
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/**
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* Delegated implementation of hook_menu().
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*/
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function page_manager_menu() {
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// For some reason, some things can activate modules without satisfying
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// dependencies. I don't know how, but this helps prevent things from
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// whitescreening when this happens.
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if (!module_exists('ctools')) {
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return;
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}
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$items = array();
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$base = array(
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'access arguments' => array('use page manager'),
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'file' => 'page_manager.admin.inc',
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'theme callback' => 'ajax_base_page_theme',
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);
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$items['admin/structure/pages'] = array(
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'title' => 'Pages',
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'description' => 'Add, edit and remove overridden system pages and user defined pages from the system.',
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'page callback' => 'page_manager_list_page',
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) + $base;
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$items['admin/structure/pages/list'] = array(
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'title' => 'List',
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'page callback' => 'page_manager_list_page',
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'type' => MENU_DEFAULT_LOCAL_TASK,
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'weight' => -10,
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) + $base;
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$items['admin/structure/pages/edit/%page_manager_cache'] = array(
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'title' => 'Edit',
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'page callback' => 'page_manager_edit_page',
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'page arguments' => array(4),
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'type' => MENU_NORMAL_ITEM,
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) + $base;
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$items['admin/structure/pages/%ctools_js/operation/%page_manager_cache'] = array(
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'page callback' => 'page_manager_edit_page_operation',
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'page arguments' => array(3, 5),
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'type' => MENU_NORMAL_ITEM,
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) + $base;
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$items['admin/structure/pages/%ctools_js/enable/%page_manager_cache'] = array(
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'page callback' => 'page_manager_enable_page',
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'page arguments' => array(FALSE, 3, 5),
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'type' => MENU_CALLBACK,
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) + $base;
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$items['admin/structure/pages/%ctools_js/disable/%page_manager_cache'] = array(
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'page callback' => 'page_manager_enable_page',
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'page arguments' => array(TRUE, 3, 5),
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'type' => MENU_CALLBACK,
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) + $base;
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$tasks = page_manager_get_tasks();
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// Provide menu items for each task.
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foreach ($tasks as $task_id => $task) {
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// Allow the task to add its own menu items.
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if ($function = ctools_plugin_get_function($task, 'hook menu')) {
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$function($items, $task);
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}
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// And for those that provide subtasks, provide menu items for them, as well.
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foreach (page_manager_get_task_subtasks($task) as $subtask_id => $subtask) {
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// Allow the task to add its own menu items.
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if ($function = ctools_plugin_get_function($task, 'hook menu')) {
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$function($items, $subtask);
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}
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}
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}
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return $items;
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}
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function page_manager_admin_paths() {
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/* @todo FIX ME this is a major resource suck. */
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return;
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$items = array();
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ctools_include('page', 'page_manager', 'plugins/tasks');
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$pages = page_manager_page_load_all();
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foreach ($pages as $page) {
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// Make sure the page we're on is set to be an administrative path and that
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// it is not set to be a frontpage path.
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if ((isset($page->conf['admin_paths']) && $page->conf['admin_paths']) && (!isset($page->make_frontpage) || !$page->make_frontpage)) {
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$path_parts = explode('/', $page->path);
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foreach ($path_parts as $key => $part) {
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if (strpos($part, '%') !== FALSE || strpos($part, '!') !== FALSE) {
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$path_parts[$key] = '*';
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}
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}
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$path = implode('/', $path_parts);
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if ($page->menu['type'] == 'default tab') {
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array_pop($path_parts);
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$parent_path = implode('/', $path_parts);
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$items[$parent_path] = TRUE;
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}
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$items[$path] = TRUE;
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}
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}
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return $items;
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}
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/**
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* Implements hook_menu_alter.
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*
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* Get a list of all tasks and delegate to them.
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*/
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function page_manager_menu_alter(&$items) {
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// For some reason, some things can activate modules without satisfying
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// dependencies. I don't know how, but this helps prevent things from
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// whitescreening when this happens.
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if (!module_exists('ctools')) {
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return;
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}
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$tasks = page_manager_get_tasks();
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foreach ($tasks as $task) {
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if ($function = ctools_plugin_get_function($task, 'hook menu alter')) {
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$function($items, $task);
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}
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// let the subtasks alter the menu items too.
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foreach (page_manager_get_task_subtasks($task) as $subtask_id => $subtask) {
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if ($function = ctools_plugin_get_function($subtask, 'hook menu alter')) {
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$function($items, $subtask);
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}
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}
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}
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// Override the core node revisions display to use the configured Page
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// display handler.
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if (!variable_get('page_manager_node_view_disabled', TRUE) && isset($items['node/%node/revisions/%/view'])) {
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// Abstract the basic settings.
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$item = array(
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// Handle the page arguments.
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'load arguments' => array(3),
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'page arguments' => array(1, TRUE),
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// Replace the normal node_show call with Page Manager's node view.
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'page callback' => 'page_manager_node_view_page',
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// Provide the correct path to the Page Manager file.
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'file' => 'node_view.inc',
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'file path' => drupal_get_path('module', 'page_manager') . '/plugins/tasks',
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);
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// Re-build the menu item using the normal values from node.module.
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$items['node/%node/revisions/%/view'] = array(
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'title' => 'Revisions',
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'access callback' => '_node_revision_access',
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'access arguments' => array(1),
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) + $item;
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}
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return $items;
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}
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/*
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* Implements hook_theme()
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*/
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function page_manager_theme() {
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// For some reason, some things can activate modules without satisfying
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// dependencies. I don't know how, but this helps prevent things from
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// whitescreening when this happens.
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if (!module_exists('ctools')) {
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return;
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}
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$base = array(
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'path' => drupal_get_path('module', 'page_manager') . '/theme',
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'file' => 'page_manager.theme.inc',
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);
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$items = array(
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'page_manager_handler_rearrange' => array(
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'render element' => 'form',
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) + $base,
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'page_manager_edit_page' => array(
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'template' => 'page-manager-edit-page',
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'variables' => array('page' => NULL, 'save' => NULL, 'operations' => array(), 'content' => array()),
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) + $base,
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'page_manager_lock' => array(
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'variables' => array('page' => array()),
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) + $base,
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'page_manager_changed' => array(
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'variables' => array('text' => NULL, 'description' => NULL),
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) + $base,
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);
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// Allow task plugins to have theme registrations by passing through:
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$tasks = page_manager_get_tasks();
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// Provide menu items for each task.
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foreach ($tasks as $task_id => $task) {
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if ($function = ctools_plugin_get_function($task, 'hook theme')) {
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$function($items, $task);
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}
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}
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return $items;
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}
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// --------------------------------------------------------------------------
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// Page caching
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//
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// The page cache is used to store a page temporarily, using the ctools object
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// cache. When loading from the page cache, it will either load the cached
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// version, or if there is not one, load the real thing and create a cache
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// object which can then be easily stored.
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/**
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* Get the cached changes to a given task handler.
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*/
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function page_manager_get_page_cache($task_name) {
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$caches = drupal_static(__FUNCTION__, array());
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if (!isset($caches[$task_name])) {
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ctools_include('object-cache');
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$cache = ctools_object_cache_get('page_manager_page', $task_name);
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if (!$cache) {
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$cache = new stdClass();
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$cache->task_name = $task_name;
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list($cache->task_id, $cache->subtask_id) = page_manager_get_task_id($cache->task_name);
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$cache->task = page_manager_get_task($cache->task_id);
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if (empty($cache->task)) {
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return FALSE;
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}
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if ($cache->subtask_id) {
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$cache->subtask = page_manager_get_task_subtask($cache->task, $cache->subtask_id);
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if (empty($cache->subtask)) {
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return FALSE;
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}
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}
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else {
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$cache->subtask = $cache->task;
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$cache->subtask['name'] = '';
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}
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$cache->handlers = page_manager_load_sorted_handlers($cache->task, $cache->subtask_id);
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$cache->handler_info = array();
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foreach ($cache->handlers as $id => $handler) {
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$cache->handler_info[$id] = array(
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'weight' => $handler->weight,
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'changed' => FALSE,
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'name' => $id,
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);
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}
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}
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else {
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// ensure the task is loaded.
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page_manager_get_task($cache->task_id);
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}
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if ($task_name != '::new') {
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$cache->locked = ctools_object_cache_test('page_manager_page', $task_name);
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}
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else {
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$cache->locked = FALSE;
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}
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$caches[$task_name] = $cache;
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}
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return $caches[$task_name];
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}
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/**
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* Store changes to a task handler in the object cache.
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*/
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function page_manager_set_page_cache($page) {
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if (!empty($page->locked)) {
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return;
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}
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if (empty($page->task_name)) {
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return;
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}
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ctools_include('object-cache');
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$page->changed = TRUE;
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$cache = ctools_object_cache_set('page_manager_page', $page->task_name, $page);
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}
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/**
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* Remove an item from the object cache.
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*/
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function page_manager_clear_page_cache($name) {
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ctools_include('object-cache');
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ctools_object_cache_clear('page_manager_page', $name);
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}
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/**
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* Write all changes from the page cache and clear it out.
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*/
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function page_manager_save_page_cache($cache) {
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// Save the subtask:
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if ($function = ctools_plugin_get_function($cache->task, 'save subtask callback')) {
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$function($cache->subtask, $cache);
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}
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// Iterate through handlers and save/delete/update as necessary.
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// Go through each of the task handlers, check to see if it needs updating,
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// and update it if so.
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foreach ($cache->handler_info as $id => $info) {
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$handler = &$cache->handlers[$id];
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// If it has been marked for deletion, delete it.
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if ($info['changed'] & PAGE_MANAGER_CHANGED_DELETED) {
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page_manager_delete_task_handler($handler);
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}
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// If it has been somehow edited (or added), write the cached version
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elseif ($info['changed'] & PAGE_MANAGER_CHANGED_CACHED) {
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// Make sure we get updated weight from the form for this.
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$handler->weight = $info['weight'];
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page_manager_save_task_handler($handler);
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}
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// Otherwise, check to see if it has moved and, if so, update the weight.
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elseif ($info['weight'] != $handler->weight) {
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// Theoretically we could only do this for in code objects, but since our
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// load mechanism checks for all, this is less database work.
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page_manager_update_task_handler_weight($handler, $info['weight']);
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}
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// Set enable/disabled status.
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if ($info['changed'] & PAGE_MANAGER_CHANGED_STATUS) {
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ctools_include('export');
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ctools_export_set_object_status($cache->handlers[$id], $info['disabled']);
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}
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}
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page_manager_clear_page_cache($cache->task_name);
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if (!empty($cache->path_changed) || !empty($cache->new)) {
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// Force a menu rebuild to make sure the menu entries are set.
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menu_rebuild();
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}
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cache_clear_all();
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}
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/**
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* Menu callback to load a page manager cache object for menu callbacks.
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*/
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function page_manager_cache_load($task_name) {
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// load context plugin as there may be contexts cached here.
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ctools_include('context');
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return page_manager_get_page_cache($task_name);
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}
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/**
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* Generate a unique name for a task handler.
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*
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* Task handlers need to be named but they aren't allowed to set their own
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* names. Instead, they are named based upon their parent task and type.
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*/
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function page_manager_handler_get_name($task_name, $handlers, $handler) {
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$base = str_replace('-', '_', $task_name);
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$name = '';
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// Optional machine name.
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if (!empty($handler->conf['name'])) {
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$name = $base . '__' . $handler->conf['name'];
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if (count(ctools_export_load_object('page_manager_handlers', 'names', array($name)))) {
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$name = '';
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}
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}
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// If no machine name was provided or the name is in use, generate a unique name.
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if (empty($name)) {
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$base .= '__' . $handler->handler;
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// Use the ctools uuid generator to generate a unique id.
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$name = $base . '_' . ctools_uuid_generate();
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}
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return $name;
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}
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/**
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* Import a handler into a page.
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*
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* This is used by both import and clone, since clone just exports the
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* handler and immediately imports it.
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*/
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function page_manager_handler_add_to_page(&$page, &$handler, $title = NULL) {
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$last = end($page->handler_info);
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$handler->weight = $last ? $last['weight'] + 1 : 0;
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$handler->task = $page->task_id;
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$handler->subtask = $page->subtask_id;
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$handler->export_type = EXPORT_IN_DATABASE;
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$handler->type = t('Normal');
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if ($title) {
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$handler->conf['title'] = $title;
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$handler->conf['name'] = trim(preg_replace('/[^a-z0-9_]+/', '-', strtolower($title)), '-');
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}
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else {
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$handler->conf['name'] = '';
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}
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$name = page_manager_handler_get_name($page->task_name, $page->handlers, $handler);
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$handler->name = $name;
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$page->handlers[$name] = $handler;
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$page->handler_info[$name] = array(
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'weight' => $handler->weight,
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'name' => $handler->name,
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'changed' => PAGE_MANAGER_CHANGED_CACHED,
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);
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}
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// --------------------------------------------------------------------------
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// Database routines
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//
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// This includes fetching plugins and plugin info as well as specialized
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// fetch methods to get groups of task handlers per task.
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/**
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* Load a single task handler by name.
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*
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* Handlers can come from multiple sources; either the database or by normal
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* export method, which is handled by the ctools library, but handlers can
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* also be bundled with task/subtask. We have to check there and perform
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* overrides as appropriate.
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*
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* Handlers bundled with the task are of a higher priority than default
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* handlers provided by normal code, and are of a lower priority than
|
|
* the database, so we have to check the source of handlers when we have
|
|
* multiple to choose from.
|
|
*/
|
|
function page_manager_load_task_handler($task, $subtask_id, $name) {
|
|
ctools_include('export');
|
|
$result = ctools_export_load_object('page_manager_handlers', 'names', array($name));
|
|
$handlers = page_manager_get_default_task_handlers($task, $subtask_id);
|
|
return page_manager_compare_task_handlers($result, $handlers, $name);
|
|
}
|
|
|
|
/**
|
|
* Load all task handlers for a given task/subtask.
|
|
*/
|
|
function page_manager_load_task_handlers($task, $subtask_id = NULL, $default_handlers = NULL) {
|
|
ctools_include('export');
|
|
$conditions = array(
|
|
'task' => $task['name'],
|
|
);
|
|
|
|
if (isset($subtask_id)) {
|
|
$conditions['subtask'] = $subtask_id;
|
|
}
|
|
|
|
$handlers = ctools_export_load_object('page_manager_handlers', 'conditions', $conditions);
|
|
$defaults = isset($default_handlers) ? $default_handlers : page_manager_get_default_task_handlers($task, $subtask_id);
|
|
foreach ($defaults as $name => $default) {
|
|
$result = page_manager_compare_task_handlers($handlers, $defaults, $name);
|
|
|
|
if ($result) {
|
|
$handlers[$name] = $result;
|
|
// Ensure task and subtask are correct, because it's easy to change task
|
|
// names when editing a default and fail to do it on the associated handlers.
|
|
$result->task = $task['name'];
|
|
$result->subtask = $subtask_id;
|
|
}
|
|
}
|
|
|
|
// Override weights from the weight table.
|
|
if ($handlers) {
|
|
$names = array();
|
|
$placeholders = array();
|
|
foreach ($handlers as $handler) {
|
|
$names[] = $handler->name;
|
|
$placeholders[] = "'%s'";
|
|
}
|
|
|
|
$result = db_query('SELECT name, weight FROM {page_manager_weights} WHERE name IN (:names)', array(':names' => $names));
|
|
foreach ($result as $weight) {
|
|
$handlers[$weight->name]->weight = $weight->weight;
|
|
}
|
|
}
|
|
|
|
return $handlers;
|
|
}
|
|
|
|
/**
|
|
* Get the default task handlers from a task, if they exist.
|
|
*
|
|
* Tasks can contain 'default' task handlers which are provided by the
|
|
* default task. Because these can come from either the task or the
|
|
* subtask, the logic is abstracted to reduce code duplication.
|
|
*/
|
|
function page_manager_get_default_task_handlers($task, $subtask_id) {
|
|
// Load default handlers that are provied by the task/subtask itself.
|
|
$handlers = array();
|
|
if ($subtask_id) {
|
|
$subtask = page_manager_get_task_subtask($task, $subtask_id);
|
|
if (isset($subtask['default handlers'])) {
|
|
$handlers = $subtask['default handlers'];
|
|
}
|
|
}
|
|
else if (isset($task['default handlers'])) {
|
|
$handlers = $task['default handlers'];
|
|
}
|
|
|
|
return $handlers;
|
|
}
|
|
|
|
/**
|
|
* Compare a single task handler from two lists and provide the correct one.
|
|
*
|
|
* Task handlers can be gotten from multiple sources. As exportable objects,
|
|
* they can be provided by default hooks and the database. But also, because
|
|
* they are tightly bound to tasks, they can also be provided by default
|
|
* tasks. This function reconciles where to pick up a task handler between
|
|
* the exportables list and the defaults provided by the task itself.
|
|
*
|
|
* @param $result
|
|
* A list of handlers provided by export.inc
|
|
* @param $handlers
|
|
* A list of handlers provided by the default task.
|
|
* @param $name
|
|
* Which handler to compare.
|
|
* @return
|
|
* Which handler to use, if any. May be NULL.
|
|
*/
|
|
function page_manager_compare_task_handlers($result, $handlers, $name) {
|
|
// Compare our special default handler against the actual result, if
|
|
// any, and do the right thing.
|
|
if (!isset($result[$name]) && isset($handlers[$name])) {
|
|
$handlers[$name]->type = t('Default');
|
|
$handlers[$name]->export_type = EXPORT_IN_CODE;
|
|
return $handlers[$name];
|
|
}
|
|
else if (isset($result[$name]) && !isset($handlers[$name])) {
|
|
return $result[$name];
|
|
}
|
|
else if (isset($result[$name]) && isset($handlers[$name])) {
|
|
if ($result[$name]->export_type & EXPORT_IN_DATABASE) {
|
|
$result[$name]->type = t('Overridden');
|
|
$result[$name]->export_type = $result[$name]->export_type | EXPORT_IN_CODE;
|
|
return $result[$name];
|
|
}
|
|
else {
|
|
// In this case, our default is a higher priority than the standard default.
|
|
$handlers[$name]->type = t('Default');
|
|
$handlers[$name]->export_type = EXPORT_IN_CODE;
|
|
return $handlers[$name];
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Load all task handlers for a given task and subtask and sort them.
|
|
*/
|
|
function page_manager_load_sorted_handlers($task, $subtask_id = NULL, $enabled = FALSE) {
|
|
$handlers = page_manager_load_task_handlers($task, $subtask_id);
|
|
if ($enabled) {
|
|
foreach ($handlers as $id => $handler) {
|
|
if (!empty($handler->disabled)) {
|
|
unset($handlers[$id]);
|
|
}
|
|
}
|
|
}
|
|
uasort($handlers, 'page_manager_sort_task_handlers');
|
|
return $handlers;
|
|
}
|
|
|
|
/**
|
|
* Callback for uasort to sort task handlers.
|
|
*
|
|
* Task handlers are sorted by weight then by name.
|
|
*/
|
|
function page_manager_sort_task_handlers($a, $b) {
|
|
if ($a->weight < $b->weight) {
|
|
return -1;
|
|
}
|
|
elseif ($a->weight > $b->weight) {
|
|
return 1;
|
|
}
|
|
elseif ($a->name < $b->name) {
|
|
return -1;
|
|
}
|
|
elseif ($a->name > $b->name) {
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Write a task handler to the database.
|
|
*/
|
|
function page_manager_save_task_handler(&$handler) {
|
|
$update = (isset($handler->did)) ? array('did') : array();
|
|
// Let the task handler respond to saves:
|
|
if ($function = ctools_plugin_load_function('page_manager', 'task_handlers', $handler->handler, 'save')) {
|
|
$function($handler, $update);
|
|
}
|
|
|
|
drupal_write_record('page_manager_handlers', $handler, $update);
|
|
db_delete('page_manager_weights')
|
|
->condition('name', $handler->name)
|
|
->execute();
|
|
|
|
// If this was previously a default handler, we may have to write task handlers.
|
|
if (!$update) {
|
|
// @todo wtf was I going to do here?
|
|
}
|
|
return $handler;
|
|
}
|
|
|
|
/**
|
|
* Remove a task handler.
|
|
*/
|
|
function page_manager_delete_task_handler($handler) {
|
|
// Let the task handler respond to saves:
|
|
if ($function = ctools_plugin_load_function('page_manager', 'task_handlers', $handler->handler, 'delete')) {
|
|
$function($handler);
|
|
}
|
|
db_delete('page_manager_handlers')
|
|
->condition('name', $handler->name)
|
|
->execute();
|
|
db_delete('page_manager_weights')
|
|
->condition('name', $handler->name)
|
|
->execute();
|
|
}
|
|
|
|
/**
|
|
* Export a task handler into code suitable for import or use as a default
|
|
* task handler.
|
|
*/
|
|
function page_manager_export_task_handler($handler, $indent = '') {
|
|
ctools_include('export');
|
|
ctools_include('plugins');
|
|
$handler = clone $handler;
|
|
|
|
$append = '';
|
|
if ($function = ctools_plugin_load_function('page_manager', 'task_handlers', $handler->handler, 'export')) {
|
|
$append = $function($handler, $indent);
|
|
}
|
|
|
|
$output = ctools_export_object('page_manager_handlers', $handler, $indent);
|
|
$output .= $append;
|
|
|
|
return $output;
|
|
}
|
|
|
|
/**
|
|
* Loads page manager handler for export.
|
|
*
|
|
* Callback to load page manager handler within ctools_export_crud_load().
|
|
*
|
|
* @param string $name
|
|
* The name of the handler to load.
|
|
*
|
|
* @return
|
|
* Loaded page manager handler object, extended with external properties.
|
|
*/
|
|
function page_manager_export_task_handler_load($name) {
|
|
$table = 'page_manager_handlers';
|
|
$schema = ctools_export_get_schema($table);
|
|
$export = $schema['export'];
|
|
|
|
$result = ctools_export_load_object($table, 'names', array($name));
|
|
if (isset($result[$name])) {
|
|
$handler = $result[$name];
|
|
|
|
// Weight is stored in additional table so that in-code task handlers
|
|
// don't need to get written to the database just because they have their
|
|
// weight changed. Therefore, handler could have no correspondent database
|
|
// entry. Revert will not be performed for this handler and the weight
|
|
// will not be reverted. To make possible revert of the weight field
|
|
// export_type must simulate that the handler is stored in the database.
|
|
$handler->export_type = EXPORT_IN_DATABASE;
|
|
|
|
// Also, page manager handler weight should be overriden with correspondent
|
|
// weight from page_manager_weights table, if there is one.
|
|
$result = db_query('SELECT weight FROM {page_manager_weights} WHERE name = (:names)', array(':names' => $handler->name))->fetchField();
|
|
if (is_numeric($result)) {
|
|
$handler->weight = $result;
|
|
}
|
|
return $handler;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Create a new task handler object.
|
|
*
|
|
* @param $plugin
|
|
* The plugin this task handler is created from.
|
|
*/
|
|
function page_manager_new_task_handler($plugin) {
|
|
// Generate a unique name. Unlike most named objects, we don't let people choose
|
|
// names for task handlers because they mostly don't make sense.
|
|
|
|
// Create a new, empty handler object.
|
|
$handler = new stdClass;
|
|
$handler->title = $plugin['title'];
|
|
$handler->task = NULL;
|
|
$handler->subtask = NULL;
|
|
$handler->name = NULL;
|
|
$handler->handler = $plugin['name'];
|
|
$handler->weight = 0;
|
|
$handler->conf = array();
|
|
|
|
// These are provided by the core export API provided by ctools and we
|
|
// set defaults here so that we don't cause notices. Perhaps ctools should
|
|
// provide a way to do this for us so we don't have to muck with it.
|
|
$handler->export_type = EXPORT_IN_DATABASE;
|
|
$handler->type = t('Local');
|
|
|
|
if (isset($plugin['default conf'])) {
|
|
if (is_array($plugin['default conf'])) {
|
|
$handler->conf = $plugin['default conf'];
|
|
}
|
|
else if (function_exists($plugin['default conf'])) {
|
|
$handler->conf = $plugin['default conf']($handler);
|
|
}
|
|
}
|
|
|
|
return $handler;
|
|
}
|
|
|
|
/**
|
|
* Set an overidden weight for a task handler.
|
|
*
|
|
* We do this so that in-code task handlers don't need to get written
|
|
* to the database just because they have their weight changed.
|
|
*/
|
|
function page_manager_update_task_handler_weight($handler, $weight) {
|
|
db_delete('page_manager_weights')
|
|
->condition('name', $handler->name)
|
|
->execute();
|
|
db_insert('page_manager_weights')
|
|
->fields(array(
|
|
'name' => $handler->name,
|
|
'weight' => $weight,
|
|
))
|
|
->execute();
|
|
}
|
|
|
|
|
|
/**
|
|
* Shortcut function to get task plugins.
|
|
*/
|
|
function page_manager_get_tasks() {
|
|
ctools_include('plugins');
|
|
return ctools_get_plugins('page_manager', 'tasks');
|
|
}
|
|
|
|
/**
|
|
* Shortcut function to get a task plugin.
|
|
*/
|
|
function page_manager_get_task($id) {
|
|
ctools_include('plugins');
|
|
return ctools_get_plugins('page_manager', 'tasks', $id);
|
|
}
|
|
|
|
/**
|
|
* Get all tasks for a given type.
|
|
*/
|
|
function page_manager_get_tasks_by_type($type) {
|
|
ctools_include('plugins');
|
|
$all_tasks = ctools_get_plugins('page_manager', 'tasks');
|
|
$tasks = array();
|
|
foreach ($all_tasks as $id => $task) {
|
|
if (isset($task['task type']) && $task['task type'] == $type) {
|
|
$tasks[$id] = $task;
|
|
}
|
|
}
|
|
|
|
return $tasks;
|
|
}
|
|
|
|
/**
|
|
* Fetch all subtasks for a page managertask.
|
|
*
|
|
* @param $task
|
|
* A loaded $task plugin object.
|
|
*/
|
|
function page_manager_get_task_subtasks($task) {
|
|
if (empty($task['subtasks'])) {
|
|
return array();
|
|
}
|
|
|
|
if ($function = ctools_plugin_get_function($task, 'subtasks callback')) {
|
|
$retval = $function($task);
|
|
if (is_array($retval)) {
|
|
return $retval;
|
|
}
|
|
}
|
|
|
|
return array();
|
|
}
|
|
|
|
/**
|
|
* Fetch all subtasks for a page managertask.
|
|
*
|
|
* @param $task
|
|
* A loaded $task plugin object.
|
|
* @param $subtask_id
|
|
* The subtask ID to load.
|
|
*/
|
|
function page_manager_get_task_subtask($task, $subtask_id) {
|
|
if (empty($task['subtasks'])) {
|
|
return;
|
|
}
|
|
|
|
if ($function = ctools_plugin_get_function($task, 'subtask callback')) {
|
|
return $function($task, $subtask_id);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Shortcut function to get task handler plugins.
|
|
*/
|
|
function page_manager_get_task_handlers() {
|
|
ctools_include('plugins');
|
|
return ctools_get_plugins('page_manager', 'task_handlers');
|
|
}
|
|
|
|
/**
|
|
* Shortcut function to get a task handler plugin.
|
|
*/
|
|
function page_manager_get_task_handler($id) {
|
|
ctools_include('plugins');
|
|
return ctools_get_plugins('page_manager', 'task_handlers', $id);
|
|
}
|
|
|
|
/**
|
|
* Retrieve a list of all applicable task handlers for a given task.
|
|
*
|
|
* This looks at the $task['handler type'] and compares that to $task_handler['handler type'].
|
|
* If the task has no type, the id of the task is used instead.
|
|
*/
|
|
function page_manager_get_task_handler_plugins($task, $all = FALSE) {
|
|
$type = isset($task['handler type']) ? $task['handler type'] : $task['name'];
|
|
$name = $task['name'];
|
|
|
|
$handlers = array();
|
|
$task_handlers = page_manager_get_task_handlers();
|
|
foreach ($task_handlers as $id => $handler) {
|
|
$task_type = is_array($handler['handler type']) ? $handler['handler type'] : array($handler['handler type']);
|
|
if (in_array($type, $task_type) || in_array($name, $task_type)) {
|
|
if ($all || !empty($handler['visible'])) {
|
|
$handlers[$id] = $handler;
|
|
}
|
|
}
|
|
}
|
|
|
|
return $handlers;
|
|
}
|
|
|
|
/**
|
|
* Get the title for a given handler.
|
|
*
|
|
* If the plugin has no 'admin title' function, the generic title of the
|
|
* plugin is used instead.
|
|
*/
|
|
function page_manager_get_handler_title($plugin, $handler, $task, $subtask_id) {
|
|
$function = ctools_plugin_get_function($plugin, 'admin title');
|
|
if ($function) {
|
|
return $function($handler, $task, $subtask_id);
|
|
}
|
|
else {
|
|
return $plugin['title'];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get the admin summary (additional info) for a given handler.
|
|
*/
|
|
function page_manager_get_handler_summary($plugin, $handler, $page, $title = TRUE) {
|
|
if ($function = ctools_plugin_get_function($plugin, 'admin summary')) {
|
|
return $function($handler, $page->task, $page->subtask, $page, $title);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get the admin summary (additional info) for a given page.
|
|
*/
|
|
function page_manager_get_page_summary($task, $subtask) {
|
|
if ($function = ctools_plugin_get_function($subtask, 'admin summary')) {
|
|
return $function($task, $subtask);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Split a task name into a task id and subtask id, if applicable.
|
|
*/
|
|
function page_manager_get_task_id($task_name) {
|
|
if (strpos($task_name, '-') !== FALSE) {
|
|
return explode('-', $task_name, 2);
|
|
}
|
|
else {
|
|
return array($task_name, NULL);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Turn a task id + subtask_id into a task name.
|
|
*/
|
|
function page_manager_make_task_name($task_id, $subtask_id) {
|
|
if ($subtask_id) {
|
|
return $task_id . '-' . $subtask_id;
|
|
}
|
|
else {
|
|
return $task_id;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get the render function for a handler.
|
|
*/
|
|
function page_manager_get_renderer($handler) {
|
|
return ctools_plugin_load_function('page_manager', 'task_handlers', $handler->handler, 'render');
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// Functions existing on behalf of tasks and task handlers
|
|
|
|
|
|
/**
|
|
* Page manager arg load function because menu system will not load extra
|
|
* files for these; they must be in a .module.
|
|
*/
|
|
function pm_arg_load($value, $subtask, $argument) {
|
|
page_manager_get_task('page');
|
|
return _pm_arg_load($value, $subtask, $argument);
|
|
}
|
|
|
|
/**
|
|
* Special arg_load function to use %menu_tail like functionality to
|
|
* get everything after the arg together as a single value.
|
|
*/
|
|
function pm_arg_tail_load($value, $subtask, $argument, $map) {
|
|
$value = implode('/', array_slice($map, $argument));
|
|
page_manager_get_task('page');
|
|
return _pm_arg_load($value, $subtask, $argument);
|
|
}
|
|
|
|
/**
|
|
* Special menu _load() function for the user:uid argument.
|
|
*
|
|
* This is just the normal page manager argument. It only exists so that
|
|
* the to_arg can exist.
|
|
*/
|
|
function pm_uid_arg_load($value, $subtask, $argument) {
|
|
page_manager_get_task('page');
|
|
return _pm_arg_load($value, $subtask, $argument);
|
|
}
|
|
|
|
/**
|
|
* to_arg function for the user:uid argument to provide the arg for the
|
|
* current global user.
|
|
*/
|
|
function pm_uid_arg_to_arg($arg) {
|
|
return user_uid_optional_to_arg($arg);
|
|
}
|
|
|
|
/**
|
|
* Callback for access control ajax form on behalf of page.inc task.
|
|
*
|
|
* Returns the cached access config and contexts used.
|
|
*/
|
|
function page_manager_page_ctools_access_get($argument) {
|
|
$page = page_manager_get_page_cache($argument);
|
|
|
|
$contexts = array();
|
|
|
|
// Load contexts based on argument data:
|
|
if ($arguments = _page_manager_page_get_arguments($page->subtask['subtask'])) {
|
|
$contexts = ctools_context_get_placeholders_from_argument($arguments);
|
|
}
|
|
|
|
return array($page->subtask['subtask']->access, $contexts);
|
|
}
|
|
|
|
/**
|
|
* Callback for access control ajax form on behalf of page.inc task.
|
|
*
|
|
* Writes the changed access to the cache.
|
|
*/
|
|
function page_manager_page_ctools_access_set($argument, $access) {
|
|
$page = page_manager_get_page_cache($argument);
|
|
$page->subtask['subtask']->access = $access;
|
|
page_manager_set_page_cache($page);
|
|
}
|
|
|
|
/**
|
|
* Callback for access control ajax form on behalf of context task handler.
|
|
*
|
|
* Returns the cached access config and contexts used.
|
|
*/
|
|
function page_manager_task_handler_ctools_access_get($argument) {
|
|
list($task_name, $name) = explode('*', $argument);
|
|
$page = page_manager_get_page_cache($task_name);
|
|
if (empty($name)) {
|
|
$handler = &$page->new_handler;
|
|
}
|
|
else {
|
|
$handler = &$page->handlers[$name];
|
|
}
|
|
|
|
if (!isset($handler->conf['access'])) {
|
|
$handler->conf['access'] = array();
|
|
}
|
|
|
|
ctools_include('context-task-handler');
|
|
|
|
$contexts = ctools_context_handler_get_all_contexts($page->task, $page->subtask, $handler);
|
|
|
|
return array($handler->conf['access'], $contexts);
|
|
}
|
|
|
|
/**
|
|
* Callback for access control ajax form on behalf of context task handler.
|
|
*
|
|
* Writes the changed access to the cache.
|
|
*/
|
|
function page_manager_task_handler_ctools_access_set($argument, $access) {
|
|
list($task_name, $name) = explode('*', $argument);
|
|
$page = page_manager_get_page_cache($task_name);
|
|
if (empty($name)) {
|
|
$handler = &$page->new_handler;
|
|
}
|
|
else {
|
|
$handler = &$page->handlers[$name];
|
|
}
|
|
|
|
$handler->conf['access'] = $access;
|
|
page_manager_set_page_cache($page);
|
|
}
|
|
|
|
/**
|
|
* Form a URL to edit a given page given the trail.
|
|
*/
|
|
function page_manager_edit_url($task_name, $trail = array()) {
|
|
if (!is_array($trail)) {
|
|
$trail = array($trail);
|
|
}
|
|
|
|
if (empty($trail) || $trail == array('summary')) {
|
|
return "admin/structure/pages/edit/$task_name";
|
|
}
|
|
|
|
return 'admin/structure/pages/nojs/operation/' . $task_name . '/' . implode('/', $trail);
|
|
}
|
|
|
|
/**
|
|
* Watch menu links during the menu rebuild, and re-parent things if we need to.
|
|
*/
|
|
function page_manager_menu_link_alter(&$item) {
|
|
return;
|
|
/** -- disabled, concept code --
|
|
static $mlids = array();
|
|
// Keep an array of mlids as links are saved that we can use later.
|
|
if (isset($item['mlid'])) {
|
|
$mlids[$item['path']] = $item['mlid'];
|
|
}
|
|
|
|
if (isset($item['parent_path'])) {
|
|
if (isset($mlids[$item['parent_path']])) {
|
|
$item['plid'] = $mlids[$item['parent_path']];
|
|
}
|
|
else {
|
|
// Since we didn't already see an mlid, let's check the database for one.
|
|
$mlid = db_query('SELECT mlid FROM {menu_links} WHERE router_path = :path', array('path' => $item['parent_path']))->fetchField();
|
|
if ($mlid) {
|
|
$item['plid'] = $mlid;
|
|
}
|
|
}
|
|
}
|
|
*/
|
|
}
|
|
|
|
/**
|
|
* Callback to list handlers available for export.
|
|
*/
|
|
function page_manager_page_manager_handlers_list() {
|
|
$list = $types = array();
|
|
$tasks = page_manager_get_tasks();
|
|
foreach ($tasks as $type => $info) {
|
|
if (empty($info['non-exportable'])) {
|
|
$types[] = $type;
|
|
}
|
|
}
|
|
|
|
$handlers = ctools_export_load_object('page_manager_handlers');
|
|
foreach ($handlers as $handler) {
|
|
if (in_array($handler->task, $types)) {
|
|
$plugin = page_manager_get_task_handler($handler->handler);
|
|
$title = page_manager_get_handler_title($plugin, $handler, $tasks[$handler->task], $handler->subtask);
|
|
|
|
if ($title) {
|
|
$list[$handler->name] = check_plain("$handler->task: $title ($handler->name)");
|
|
}
|
|
else {
|
|
$list[$handler->name] = check_plain("$handler->task: ($handler->name)");
|
|
}
|
|
}
|
|
}
|
|
return $list;
|
|
}
|
|
|
|
/**
|
|
* Callback to bulk export page manager pages.
|
|
*/
|
|
function page_manager_page_manager_pages_to_hook_code($names = array(), $name = 'foo') {
|
|
$schema = ctools_export_get_schema('page_manager_pages');
|
|
$export = $schema['export'];
|
|
$objects = ctools_export_load_object('page_manager_pages', 'names', array_values($names));
|
|
if ($objects) {
|
|
$code = "/**\n";
|
|
$code .= " * Implements hook_{$export['default hook']}()\n";
|
|
$code .= " */\n";
|
|
$code .= "function " . $name . "_{$export['default hook']}() {\n";
|
|
foreach ($objects as $object) {
|
|
// Have to implement our own because this export func sig requires it
|
|
$code .= $export['export callback']($object, TRUE, ' ');
|
|
$code .= " \${$export['identifier']}s['" . check_plain($object->{$export['key']}) . "'] = \${$export['identifier']};\n\n";
|
|
}
|
|
$code .= " return \${$export['identifier']}s;\n";
|
|
$code .= "}\n";
|
|
return $code;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get the current page information.
|
|
*
|
|
* @return $page
|
|
* An array containing the following information.
|
|
*
|
|
* - 'name': The name of the page as used in the page manager admin UI.
|
|
* - 'task': The plugin for the task in use. If this is a system page it
|
|
* will contain information about that page, such as what functions
|
|
* it uses.
|
|
* - 'subtask': The plugin for the subtask. If this is a custom page, this
|
|
* will contain information about that custom page. See 'subtask' in this
|
|
* array to get the actual page object.
|
|
* - 'handler': The actual handler object used. If using panels, see
|
|
* $page['handler']->conf['display'] for the actual panels display
|
|
* used to render.
|
|
* - 'contexts': The context objects used to render this page.
|
|
* - 'arguments': The raw arguments from the URL used on this page.
|
|
*/
|
|
function page_manager_get_current_page($page = NULL) {
|
|
static $current = array();
|
|
if (isset($page)) {
|
|
$current = $page;
|
|
}
|
|
|
|
return $current;
|
|
}
|
|
|
|
/**
|
|
* Implementation of hook_panels_dashboard_blocks().
|
|
*
|
|
* Adds page information to the Panels dashboard.
|
|
*/
|
|
function page_manager_panels_dashboard_blocks(&$vars) {
|
|
$vars['links']['page_manager'] = array(
|
|
'weight' => -100,
|
|
'title' => l(t('Panel page'), 'admin/structure/pages/add'),
|
|
'description' => t('Panel pages can be used as landing pages. They have a URL path, accept arguments and can have menu entries.'),
|
|
);
|
|
|
|
module_load_include('inc', 'page_manager', 'page_manager.admin');
|
|
$tasks = page_manager_get_tasks_by_type('page');
|
|
$pages = array('operations' => array());
|
|
|
|
page_manager_get_pages($tasks, $pages);
|
|
$count = 0;
|
|
$rows = array();
|
|
foreach ($pages['rows'] as $id => $info) {
|
|
$rows[] = array(
|
|
'data' => array(
|
|
$info['data']['title'],
|
|
$info['data']['operations'],
|
|
),
|
|
'class' => $info['class'],
|
|
);
|
|
|
|
// Only show 10.
|
|
if (++$count >= 10) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
$vars['blocks']['page_manager'] = array(
|
|
'weight' => -100,
|
|
'title' => t('Manage pages'),
|
|
'link' => l(t('Go to list'), 'admin/structure/pages'),
|
|
'content' => theme('table', array('header' => array(), 'rows' => $rows, 'attributes' => array('class' => 'panels-manage'))),
|
|
'class' => 'dashboard-pages',
|
|
'section' => 'right',
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Implement pseudo-hook to fetch addressable content.
|
|
*
|
|
* For Page Manager, the address will be an array. The first
|
|
* element will be the $task and the second element will be the
|
|
* $task_handler. The third elements will be the arguments
|
|
* provided.
|
|
*/
|
|
function page_manager_addressable_content($address, $type) {
|
|
if (count($address) < 3) {
|
|
return;
|
|
}
|
|
|
|
$task_name = array_shift($address);
|
|
$subtask_name = array_shift($address);
|
|
$handler_name = array_shift($address);
|
|
if ($address) {
|
|
$arguments = array_shift($address);
|
|
}
|
|
|
|
// Since $arguments is an array of arbitrary size, we need to implode it:
|
|
if (!empty($arguments)) {
|
|
// The only choices we have for separators since :: is already
|
|
// used involve ., - or _. Since - and _ are more common than .
|
|
// in URLs, let's try .. as an argument separator.
|
|
$arguments = explode('..', $arguments);
|
|
}
|
|
else {
|
|
// implode does not return an empty array on an empty
|
|
// string so do it specifically.
|
|
$arguments = array();
|
|
}
|
|
|
|
$task = page_manager_get_task($task_name);
|
|
if (!$task) {
|
|
return;
|
|
}
|
|
|
|
$handler = page_manager_load_task_handler($task, $subtask_name, $handler_name);
|
|
if (!$handler) {
|
|
return;
|
|
}
|
|
|
|
$handler_plugin = page_manager_get_task_handler($handler->handler);
|
|
if (!$handler_plugin) {
|
|
return;
|
|
}
|
|
|
|
// Load the contexts for the task.
|
|
ctools_include('context');
|
|
ctools_include('context-task-handler');
|
|
$contexts = ctools_context_handler_get_task_contexts($task, $subtask_name, $arguments);
|
|
|
|
// With contexts loaded, ensure the task is accessible. Tasks without a callback
|
|
// are automatically accessible.
|
|
$function = ctools_plugin_get_function($task, 'access callback');
|
|
if ($function && !$function($task, $subtask_name, $contexts)) {
|
|
return;
|
|
}
|
|
|
|
$function = ctools_plugin_get_function($handler_plugin, 'addressable callback');
|
|
if ($function) {
|
|
return $function($task, $subtask_name, $handler, $address, $contexts, $arguments, $type);
|
|
}
|
|
}
|