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<?php
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/**
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* @file
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* General menu helper functions.
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*/
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/**
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* Dynamically add a tab to the current path.
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*
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* This function is a simplified interface for adding tabs to the current path.
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* Some considerations when doing this:
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*
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* - First, if there is only 1 tab, Drupal will not show it. Therefore, if
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* you are only adding one tab, you should find a way to make sure there is
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* already tab, or instead add 2.
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* - Second, the caller is responsible for providing access control to these
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* links.
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*
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* @param $link
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* An array describing this link. It must contain:
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* - 'title': The printed title of the link.
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* - 'href': The path of the link. This is an argument to l() so it has all
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* of those features and limitations.
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* - 'options': Any options that go to l, including query, fragment and html
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* options necessary.
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* - 'weight': The weight to use in ordering the tabs.
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* - 'type': Optional. If set to MENU_DEFAULT_LOCAL_TASK this can be used to
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* add a fake 'default' local task, which is useful if you have to add
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* tabs to a page that has none.
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*/
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function ctools_menu_add_tab($link = NULL) {
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$links = &drupal_static(__FUNCTION__, array());
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if (isset($link)) {
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$links[$link['href']] = $link;
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}
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return $links;
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}
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/**
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* Re-sort menu items after we have modified them.
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*/
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function ctools_menu_sort($a, $b) {
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$a_weight = (is_array($a) && isset($a['#link']['weight'])) ? $a['#link']['weight'] : 0;
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$b_weight = (is_array($b) && isset($b['#link']['weight'])) ? $b['#link']['weight'] : 0;
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if ($a_weight == $b_weight) {
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$a_title = (is_array($a) && isset($a['#link']['title'])) ? $a['#link']['title'] : 0;
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$b_title = (is_array($b) && isset($b['#link']['title'])) ? $b['#link']['title'] : 0;
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if ($a_title == $b_title) {
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return 0;
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}
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return ($a_title < $b_title) ? -1 : 1;
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}
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return ($a_weight < $b_weight) ? -1 : 1;
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}
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function _ctools_menu_add_dynamic_items(&$data, &$router_item, &$root_path) {
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if ($additions = ctools_menu_add_tab()) {
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// If none of the static local tasks are active allow one of the dynamic
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// active tasks to be marked as such.
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$has_active = FALSE;
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if (!empty($data['tabs'][0]['output'])) {
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foreach ($data['tabs'][0]['output'] as $element) {
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if (!empty($element['#link']['#active'])) {
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$has_active = TRUE;
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}
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}
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}
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foreach ($additions as $addition) {
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$addition['localized_options'] = isset($addition['options']) ? $addition['options'] : array();
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if (isset($addition['type']) && $addition['type'] == MENU_LOCAL_ACTION) {
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$data['actions']['output'][] = array(
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'#theme' => 'menu_local_action',
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'#link' => $addition,
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);
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}
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else {
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$data['tabs'][0]['output'][] = array(
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'#theme' => 'menu_local_task',
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'#link' => $addition,
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'#active' => (!$has_active && $root_path === $addition['href']),
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);
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}
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}
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if (!empty($data['tabs'][0]['output'])) {
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uasort($data['tabs'][0]['output'], 'ctools_menu_sort');
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$data['tabs'][0]['count'] = count($data['tabs'][0]['output']);
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}
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if (!empty($data['actions']['output'])) {
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uasort($data['actions']['output'], 'ctools_menu_sort');
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$data['actions']['count'] = count($data['actions']['output']);
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}
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}
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}
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