diff options
Diffstat (limited to 'sites/all/modules/ctools/page_manager/plugins/tasks/blog.inc')
-rw-r--r-- | sites/all/modules/ctools/page_manager/plugins/tasks/blog.inc | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/sites/all/modules/ctools/page_manager/plugins/tasks/blog.inc b/sites/all/modules/ctools/page_manager/plugins/tasks/blog.inc new file mode 100644 index 000000000..bab2dd28d --- /dev/null +++ b/sites/all/modules/ctools/page_manager/plugins/tasks/blog.inc @@ -0,0 +1,121 @@ +<?php + +/** + * Specialized implementation of hook_page_manager_task_tasks(). See api-task.html for + * more information. + */ +function page_manager_blog_page_manager_tasks() { + if (!module_exists('blog')) { + return; + } + + return array( + // This is a 'page' task and will fall under the page admin UI + 'task type' => 'page', + + 'title' => t('All blogs'), + 'admin title' => t('All blogs'), + 'admin description' => t('When enabled, this overrides the default Drupal behavior for the all blogs at <em>/blog</em>. If no variant is selected, the default Drupal most recent blog posts will be shown.'), + 'admin path' => 'blog', + + // Menu hooks so that we can alter the node/%node menu entry to point to us. + 'hook menu alter' => 'page_manager_blog_menu_alter', + + // This is task uses 'context' handlers and must implement these to give the + // handler data it needs. + 'handler type' => 'context', + + // Allow this to be enabled or disabled: + 'disabled' => variable_get('page_manager_blog_disabled', TRUE), + 'enable callback' => 'page_manager_blog_enable', + 'access callback' => 'page_manager_blog_access_check', + ); +} + +/** + * Callback defined by page_manager_blog_page_manager_tasks(). + * + * Alter the node edit input so that node edit comes to us rather than the + * normal node edit process. + */ +function page_manager_blog_menu_alter(&$items, $task) { + if (variable_get('page_manager_blog_disabled', TRUE)) { + return; + } + + $callback = $items['blog']['page callback']; + // Override the node edit handler for our purpose. + if ($callback == 'blog_page_last' || variable_get('page_manager_override_anyway', FALSE)) { + $items['blog']['page callback'] = 'page_manager_blog'; + $items['blog']['file path'] = $task['path']; + $items['blog']['file'] = $task['file']; + } + else { + variable_set('page_manager_blog_disabled', TRUE); + if (!empty($GLOBALS['page_manager_enabling_blog'])) { + drupal_set_message(t('Page manager module is unable to enable blog because some other module already has overridden with %callback.', array('%callback' => $callback)), 'warning'); + } + return; + } + +} + +/** + * Entry point for our overridden node edit. + * + * This function asks its assigned handlers who, if anyone, would like + * to run with it. If no one does, it passes through to Drupal core's + * node edit, which is node_page_edit(). + */ +function page_manager_blog() { + // Load my task plugin + $task = page_manager_get_task('blog'); + + ctools_include('context'); + ctools_include('context-task-handler'); + $output = ctools_context_handler_render($task, '', array(), array()); + if ($output !== FALSE) { + return $output; + } + + module_load_include('inc', 'blog', 'blog.pages'); + $function = 'blog_page_last'; + foreach (module_implements('page_manager_override') as $module) { + $call = $module . '_page_manager_override'; + if (($rc = $call('blog')) && function_exists($rc)) { + $function = $rc; + break; + } + } + + // Otherwise, fall back. + return $function(); +} + +/** + * Callback to enable/disable the page from the UI. + */ +function page_manager_blog_enable($cache, $status) { + variable_set('page_manager_blog_disabled', $status); + // Set a global flag so that the menu routine knows it needs + // to set a message if enabling cannot be done. + if (!$status) { + $GLOBALS['page_manager_enabling_blog'] = TRUE; + } +} + +/** + * Callback to determine if a page is accessible. + * + * @param $task + * The task plugin. + * @param $subtask_id + * The subtask id + * @param $contexts + * The contexts loaded for the task. + * @return + * TRUE if the current user can access the page. + */ +function page_manager_blog_access_check($task, $subtask_id, $contexts) { + return user_access('access content'); +} |