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<?php
function workbench_moderation_noderevision_page_manager_tasks() {
return array(
'task type' => 'page',
'title' => t('Node revision'),
'admin title' => t('The revision page for moderated nodes.'),
'admin description' => t('When enabled, this overrides the default node view at node/%node/revisions/%/view'),
'admin path' => 'node/%node/revisions/%/view',
'hook menu alter' => 'workbench_moderation_noderevision_menu_alter',
'handler type' => 'context',
'get arguments' => 'workbench_moderation_noderevision_get_arguments',
'get context placeholders' => 'workbench_moderation_noderevisoin_get_contexts',
'disabled' => variable_get('workbench_moderation_noderevision_disabled', TRUE),
'enable callback' => 'workbench_moderation_noderevision_enable',
);
}
function workbench_moderation_noderevision_menu_alter(&$items, $task) {
if (variable_get('workbench_moderation_noderevision_disabled', TRUE)) {
return;
}
$callback = $items['node/%node/revisions/%/view']['page callback'];
if ($callback == 'workbench_moderation_node_view_revision' || variable_get('page_manager_override_anyway', FALSE)) {
$items['node/%node/revisions/%/view']['page callback'] = 'workbench_moderation_noderevision';
$items['node/%node/revisions/%/view']['file path'] = $task['path'];
$items['node/%node/revisions/%/view']['file'] = $task['file'];
}
else {
variable_set('workbench_moderation_noderevision_disabled', TRUE);
if (!empty($GLOBALS['page_manager_enabling_workbench_noderevision'])) {
drupal_set_message(t('Page manager module is unable to enable Workbench Moderation Revision Node because some other module already has overridden with %callback.', array(
'%callback' => $callback,
)), 'warning');
}
return;
}
}
function workbench_moderation_noderevision($node) {
$task = page_manager_get_task('noderevision');
ctools_include('context');
ctools_include('context-task-handler');
$contexts = ctools_context_handler_get_task_contexts($task, '', array(
$node,
));
$output = ctools_context_handler_render($task, '', $contexts, array(
$node->nid,
));
if ($output !== FALSE) {
return $output;
}
module_load_include('inc', 'workbench_moderation', 'workbench_moderation.node');
$function = 'workbench_moderation_node_view_revision';
foreach (module_implements('page_manager_override') as $module) {
$call = $module . '_page_manager_override';
if (($rc = $call('workbench')) && function_exists($rc)) {
$function = $rc;
break;
}
}
return $function($node);
}
function workbench_moderation_noderevision_enable($cache, $status) {
variable_set('workbench_moderation_noderevision_disabled', $status);
if (!$status) {
$GLOBALS['page_manager_enabling_workbench_noderevision'] = TRUE;
}
}
function workbench_moderation_noderevision_get_arguments($task, $subtask_id) {
return array(
array(
'keyword' => 'node',
'identifier' => t('Node revision being viewed'),
'id' => 1,
'name' => 'entity_id:node',
'settings' => array(),
),
);
}
function workbench_moderation_noderevision_get_contexts($task, $subtask_id) {
return ctools_context_get_placeholders_from_argument(page_manager_node_view_get_arguments($task, $subtask_id));
}