524 lines
16 KiB
Plaintext
524 lines
16 KiB
Plaintext
<?php
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/**
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* @file
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* Creates a editmenu.
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*/
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/**
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* Implements hook_menu().
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*/
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function editmenu_menu() {
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$items = array();
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$items['admin/config/user-interface/editmenu'] = array(
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'title' => 'EditMenu',
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'description' => 'Select the menu to display.',
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'page callback' => 'drupal_get_form',
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'page arguments' => array('editmenu_admin_settings'),
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'access arguments' => array('administer editmenu'),
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'file' => 'editmenu.admin.inc',
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'type' => MENU_NORMAL_ITEM,
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);
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return $items;
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}
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/**
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* Is editmenu enabled for this page request?
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*/
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function editmenu_enabled() {
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$enabled = &drupal_static(__FUNCTION__);
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if (!isset($enabled)) {
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global $theme;
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$is_overlay = FALSE;
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if (function_exists('overlay_get_mode')) {
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$is_overlay = (overlay_get_mode() == 'child') ? TRUE : FALSE;
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}
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$exclusions = variable_get('editmenu_exclusions', array());
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$enabled = (!isset($exclusions[$theme]) || !$exclusions[$theme])
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&& user_access('view editmenu')
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&& _editmenu_page_visibility()
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&& _editmenu_superuser_active()
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&& !$is_overlay;
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}
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return $enabled;
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}
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/**
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* Implements hook_init().
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*/
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function editmenu_init() {
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// do a simple access check here, since theme isn't available to check yet
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if (editmenu_enabled()) {
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_editmenu_add_menu();
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_editmenu_add_css(); // basic CSS must be before _editmenu_add_theme()
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_editmenu_add_theme();
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_editmenu_add_js();
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}
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}
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/** \brief Add the editmenu variable with the menu to be displayed.
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*
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* This function loads the menu to be displayed and transforms it so
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* it works with superfish.
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*
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* If the cache version of the editmenu JavaScript string cannot be
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* created, then it is sent inline whether or not the user asked for it
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* to be sent inline.
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*/
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function _editmenu_add_menu() {
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// XXX -- should we put that in the settings instead? why put it in its own variable?
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$editmenu = 'var editmenu=' . drupal_json_encode(editmenu_get_menu()) . ';';
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$has_file = variable_get('editmenu_cache_menu', TRUE);
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if ($has_file) {
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$js_hash = drupal_hash_base64($editmenu);
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$js_path = 'public://js'; // same path as concatenated Core JS
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$js_filename = $js_path . '/editmenu_' . $js_hash . '.js';
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if (!file_exists($js_filename)) {
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file_prepare_directory($js_path, FILE_CREATE_DIRECTORY);
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if (!file_unmanaged_save_data($editmenu, $js_filename, FILE_EXISTS_REPLACE)) {
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$has_file = FALSE;
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}
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}
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}
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$options = array(
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'scope' => variable_get('editmenu_menu_scope', 'footer'),
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// 'version' => ?, -- could we make use of the version?
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);
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if ($has_file) {
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//$options['type'] = 'file'; -- default
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drupal_add_js($js_filename, $options);
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}
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else {
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// inline adds the value as is (untouched)
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$options['type'] = 'inline';
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drupal_add_js($editmenu, $options);
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}
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}
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/** \brief Generate the CSS and add it to the page.
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*
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* This function generates the dynamic CSS and then insert that to
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* the header of the page.
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*
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* The function regenerates the CSS only when the settings were
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* modified. Otherwise, it uses the cached version.
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*
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* The function has a fall back, in case the dynamic CSS cannot
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* be created.
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*/
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function _editmenu_add_css() {
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global $user;
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$editmenu_path = drupal_get_path('module', 'editmenu');
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$css_path = 'public://css'; // same path as concatenated Core CSS
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if (file_prepare_directory($css_path, FILE_CREATE_DIRECTORY | FILE_MODIFY_PERMISSIONS)) {
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$fix = variable_get('editmenu_fix', 'scroll');
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// XXX add a variable editmenu_update which is set to TRUE whenever
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// the settings get modified and false here
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$output_filename = variable_get('editmenu_css_filename', '');
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if (!$output_filename) {
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$tags = array(
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'@MENUBAR_ZINDEX@' => simplemnu_get_zindex('editmenu_menubar_zindex', 9999),
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'@DROPDOWN_ZINDEX@' => simplemnu_get_zindex('editmenu_dropdown_zindex', 9999),
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);
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switch ($fix) {
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case 'top':
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$tags['@FIX@'] = "position: fixed;\n top: 0; left: 0;";
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break;
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case 'bottom':
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$tags['@FIX@'] = "position: fixed;\n bottom: 0; left: 0;";
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break;
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default: // scroll
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$tags['@FIX@'] = 'position: relative;';
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break;
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}
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$css = file_get_contents($editmenu_path . '/editmenu.css.tpl');
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$css = strtr($css, $tags);
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$css_hash = hash('sha256', $css);
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$output_filename = $css_path . '/editmenu-' . $css_hash . '.css';
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if (!file_exists($output_filename)) {
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// new content, create a new file
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file_put_contents($output_filename, $css);
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}
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else {
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// this call is rather ugly, but we must make sure that the
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// system cache will take the current Editmenu CSS in account
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_drupal_flush_css_js();
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}
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//variable_set('editmenu_css_filename', $output_filename);
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}
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drupal_add_css($output_filename);
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}
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else {
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// in case we cannot create the dynamic CSS
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$last_msg = variable_get('editmenu_css_error', 0);
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if (($last_msg != -1 && $last_msg + 3600 > time()) || $user->uid == 1) {
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// avoid displaying the error on each page... only once per hour.
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// (unless you are the admin, in which case you probably want to know!)
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variable_set('editmenu_css_error', time());
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drupal_set_message(t('Editmenu could not create the folder @path in order to save the dynamic CSS data.',
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array('@path' => $css_path)), 'warning');
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}
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// use a default that cannot react to the dynamic changes...
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drupal_add_css($editmenu_path .'/editmenu.css');
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}
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}
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/** \brief Add the module theme.
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*
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* This function adds a theme for the Editmenu look.
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*
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* By default, the original theme is used. The module also offers the
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* blackblue theme. It is also possible to create new themes or use
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* the theming of the current theme for editmenu (so the menu fits
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* perfectly for that theme.)
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*/
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function _editmenu_add_theme() {
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// we want to put the editmenu theme CSS first
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// so we can change some CSS entries dynamically
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// but at this time the editmenu.css is used to
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// reset many of the CSS entries... Hmmm...
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$editmenu_theme = variable_get('editmenu_theme', 'original');
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if ($editmenu_theme != 'custom') {
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$editmenu_path = drupal_get_path('module', 'editmenu');
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$theme_file = $editmenu_path . '/themes/' . $editmenu_theme
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. '/' . $editmenu_theme . '.css';
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if (is_file($theme_file)) {
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drupal_add_css($theme_file);
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}
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}
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}
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/** \brief Add the JavaScript that makes it all work.
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*
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* This function adds the Editmenu JavaScript, the Superfish JavaScript
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* and settings from the user.
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*/
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function _editmenu_add_js() {
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$editmenu_path = drupal_get_path('module', 'editmenu');
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// Settings
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$fix = variable_get('editmenu_fix', 'scroll');
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switch ($fix) {
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case 'top':
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$element = 'body';
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$placement = 'prepend';
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break;
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case 'bottom':
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$element = 'body';
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$placement = 'append';
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break;
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default: // 'scroll'
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// let user defined other elements when not fixed
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$element = variable_get('editmenu_element', 'body');
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$placement = variable_get('editmenu_element_method', 'prepend');
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break;
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}
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$settings = array(
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'effect' => variable_get('editmenu_effect', 'opacity'),
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'effectSpeed' => variable_get('editmenu_effect_speed', 'fast'),
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'element' => $element,
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'placement' => $placement,
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'hideDelay' => variable_get('editmenu_hide_delay', 800),
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'detectPopup' => variable_get('editmenu_detect_popup', 1),
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);
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drupal_add_js(array('editmenu' => $settings), array('type' => 'setting'));
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// Editmenu
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drupal_add_js($editmenu_path . '/editmenu.js', array('version' => '1.2'));
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// Superfish
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$superfish = variable_get('editmenu_superfish_version', 'superfish-1.4.1.js');
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if ($superfish != 'custom') {
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$sf_version = str_replace(array('superfish-', '.js'), '', $superfish);
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drupal_add_js($editmenu_path . '/' . $superfish, array('version' => $sf_version));
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}
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}
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/**
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* \brief Retrieve the zindex for the CSS files.
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*
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* This function retrieves a z-index from a Drupal variable and
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* transform it to fit in a CSS file.
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*
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* \param[in] $name The name of the z-index variable to read.
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* \param[in] $default The default value to use when the variable is not defined.
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*
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* \return A string representing the current value of the specified z-index.
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*/
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function simplemnu_get_zindex($name, $default) {
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$zindex = variable_get($name, $default);
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if ($zindex == -1) {
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$zindex = '';
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}
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else {
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$zindex = 'z-index: ' . $zindex . ';';
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}
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return $zindex;
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}
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/**
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* Implements hook_permission().
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*/
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function editmenu_permission() {
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return array(
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'view editmenu' => array(
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'title' => t('View EditMenu'),
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'description' => t('Display EditMenu to this user.'),
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),
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'administer editmenu' => array(
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'title' => t('Administer EditMenu'),
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'description' => t('Change settings of EditMenu.'),
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),
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);
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}
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/**
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* Render an HTML list of links for a given menu.
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*/
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function editmenu_get_menu() {
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variable_set('editmenu_running', TRUE);
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// if a user turned off menu module but EditMenu was previously set
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// reset variable so a menu appears
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$all_menus = array(variable_get('editmenu_menu', 'management:0'));
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drupal_alter('editmenu_menus', $all_menus);
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if (count($all_menus) > 1) {
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// if menu is not enable then we cannot have a count other than 1
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$menu_titles = menu_get_menus();
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$tree = array();
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foreach ($all_menus as $full_name) {
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list($menu_name, $mlid) = explode(':', $full_name);
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$tree[] = array(
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'link' => array(
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'editmenu_multi_menu_root' => TRUE,
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'mlid' => $mlid,
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'menu_name' => $full_name,
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'hidden' => FALSE,
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'title' => $menu_titles[$menu_name],
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'href' => 'admin/settings/editmenu', /// ??? -- we should not have a link here
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'in_active_trail' => FALSE,
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'has_children' => TRUE,
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'localized_options' => array(
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'attributes' => array('class' => 'editmenu-top-level'),
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),
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),
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'below' => editmenu_menu_tree($full_name),
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);
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}
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}
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else {
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reset($all_menus);
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$tree = editmenu_menu_tree(current($all_menus));
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}
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// allow other modules to modify the menu tree
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drupal_alter('editmenu_tree', $tree);
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$tree = editmenu_tree_remove_hidden($tree);
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// now generate the output
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$menu_form = menu_tree_output($tree);
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$menu = drupal_render($menu_form);
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if (!$menu) {
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$menu = '<ul class="menu"><li><a href="' . url('admin/settings/editmenu') . '">'
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. t('No menu items found. Try a different menu as the default.') . '</a></li></ul>';
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}
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// add the id to the UL tag here instead of the JavaScript
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// otherwise it could be added to the <div> tag instead...
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$pos = strpos($menu, '>');
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$menu = str_replace('class="menu', 'class="menu clear-block', substr($menu, 0, $pos))
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. ' id="editmenu"' . substr($menu, $pos);
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variable_set('editmenu_running', FALSE);
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return '<div class="editmenu-block">' . $menu . ' </div>';
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}
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/**
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* At this point (May 31, 2010) the menu tree includes
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* many 'below' that should be considered empty but
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* aren't... unless we make sure we remove the children
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* ourselves.
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*/
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function editmenu_tree_remove_hidden($tree) {
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$clean = array();
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foreach ($tree as $key => $data) {
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if (!$data['link']['hidden']) {
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if ($data['below']) {
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$data['below'] = editmenu_tree_remove_hidden($data['below']);
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if (count($data['below']) == 0) {
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$data['below'] = 0;
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}
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}
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$clean[] = $data;
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}
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}
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return $clean;
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}
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/**
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* Custom implementation of menu_tree().
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* We want to retrieve the entire menu structure for a given menu,
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* regardless of whether or not the menu item is expanded or not.
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*/
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function editmenu_menu_tree($menu_name = 'management:0') {
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$menu_tree = &drupal_static(__FUNCTION__, array());
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// until we take $mlid in account, we can use $mname
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// for the rest of the function
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list($mname, $mlid) = explode(':', $menu_name);
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if (!isset($menu_tree[$mname])) {
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$menu_tree[$mname] = menu_tree_all_data($mname);
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}
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return $menu_tree[$mname];
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}
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/**
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* Modified menu_tree_all_data(), providing the complete menu tree below $root_menu
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* (which can be *any* menu item, not just the root of a custom menu).
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*
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* @param $root_menu
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* root menu item of the tree to return as "menu_name:mlid" (mlid = menu link id)
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*
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* @todo we don't actually need $menu_name, $mlid would be sufficient
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*/
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function editmenu_tree_all_data($root_menu = 'management:0') {
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$tree = &drupal_static(__FUNCTION__, array());
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list($menu_name, $mlid) = explode(':', $root_menu);
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// Generate the cache ID for Drupal 7.
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$max_depth = NULL;
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$cid = 'links:' . $menu_name . ':all:' . $mlid . ':' . $GLOBALS['language']->language . ':' . (int) $max_depth;
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if (!isset($tree[$cid])) {
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$cache = cache_get($cid, 'cache_menu');
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if ($cache && isset($cache->data)) {
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$data = $cache->data;
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}
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else {
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// Build the query using a LEFT JOIN since there is no match in
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// {menu_router} for an external link.
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$query = db_select('menu_links', 'ml', array('fetch' => PDO::FETCH_ASSOC));
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$query->addTag('translatable');
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$query->leftJoin('menu_router', 'm', 'm.path = ml.router_path');
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$query->fields('ml');
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$query->fields('m', array(
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'load_functions',
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'to_arg_functions',
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'access_callback',
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'access_arguments',
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'page_callback',
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'page_arguments',
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'delivery_callback',
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'tab_parent',
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'tab_root',
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'title',
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'title_callback',
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'title_arguments',
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'theme_callback',
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'theme_arguments',
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'type',
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'description',
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));
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for ($i = 1; $i <= MENU_MAX_DEPTH; $i++) {
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$query->orderBy('p' . $i, 'ASC');
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}
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$query->condition('ml.menu_name', $menu_name);
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if ($mlid > 0) {
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$item = menu_link_load($mlid);
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if ($item) {
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// The tree is a subtree of $menu_name, so we need to restrict the query to
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// this subtree.
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$px = "p" . (int) $item['depth'];
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$and = db_and()->condition("ml.$px", $item[$px])->condition("ml.mlid", $mlid, '!=');
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$query->condition($and);
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}
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}
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// Build an ordered array of links using the query result object.
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$links = array();
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foreach ($query->execute() as $item) {
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$links[] = $item;
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}
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$data['tree'] = menu_tree_data($links);
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if (count($data['tree']) == 1) {
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// Move the menu items from below to root
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$key = key($data['tree']);
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foreach ($data['tree'][$key]['below'] as $id => $item) {
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$data['tree'][$id] = $item;
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unset($data['tree'][$key]['below'][$id]);
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}
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}
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$data['node_links'] = array();
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menu_tree_collect_node_links($data['tree'], $data['node_links']);
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menu_tree_check_access($data['tree'], $data['node_links']);
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cache_set($cid, $data, 'cache_menu');
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}
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$tree[$cid] = $data['tree'];
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}
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return $tree[$cid];
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}
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/**
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* Determine if editmenu should be displayed based on visibility settings.
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*
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* @return boolean
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*/
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function _editmenu_page_visibility() {
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$operator = variable_get('editmenu_visibility_operator', 0);
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$pages = variable_get('editmenu_visibility_pages', '');
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if ($pages) {
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$path = drupal_get_path_alias($_GET['q']);
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// Compare with the internal and path alias (if any).
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$page_match = drupal_match_path($path, $pages);
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if ($path != $_GET['q']) {
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$page_match = $page_match || drupal_match_path($_GET['q'], $pages);
|
|
}
|
|
// When $operator has a value of 0, the menu is displayed on
|
|
// all pages except those listed in $pages. When set to 1, it
|
|
// is displayed only on those pages listed in $pages.
|
|
$page_match = !($operator ^ $page_match);
|
|
}
|
|
else {
|
|
$page_match = TRUE;
|
|
}
|
|
|
|
return $page_match;
|
|
}
|
|
|
|
/**
|
|
* Check whether the superuser/admin should be shown editmenu.
|
|
*/
|
|
function _editmenu_superuser_active() {
|
|
global $user;
|
|
return $user->uid != 1 || variable_get('editmenu_uid1', 1) == 1;
|
|
}
|