first import

sites/all/modules/context/plugins/context_reaction_menu.inc

@@ -0,0 +1,142 @@
+<?php
+
+/**
+ * Expose menu items as context reactions.
+ */
+class context_reaction_menu extends context_reaction {
+  /**
+   * Provide a form element that allow the admin to chose a menu item.
+   */
+  function options_form($context) {
+    if (module_exists('menu')) {
+      $menus = menu_parent_options(menu_get_menus(), array('mlid' => 0));
+      $root_menus = array();
+      foreach ($menus as $key => $name) {
+        $id = explode(':', $key);
+        if ($id[1] == '0') {
+          $root_menus[$id[0]] = check_plain($name);
+        }
+        else {
+          $link = menu_link_load($id[1]);
+          $identifier = $link['link_path'];
+          $root_menu = $root_menus[$id[0]];
+          while (isset($menus[$root_menu][$identifier])) {
+            $identifier .= "'";
+          }
+          $menus[$root_menu][$identifier] = $name;
+        }
+        unset($menus[$key]);
+      }
+      array_unshift($menus, "-- " . t('None') . " --");
+    }
+    else {
+      $menus = array();
+    }
+    return array(
+      '#title' => $this->title,
+      '#description' => $this->description,
+      '#options' => $menus,
+      '#type' => 'select',
+      '#default_value' => $this->fetch_from_context($context),
+    );
+  }
+
+  /**
+   * Override of options_form_submit().
+   * Trim any identifier padding for non-unique path menu items.
+   */
+  function options_form_submit($values) {
+    return trim($values, "'");
+  }
+
+  /**
+   * If primary + secondary links are pointed at the same menu, provide
+   * contextual trailing by default.
+   */
+  function execute(&$vars = NULL) {
+    if (variable_get('menu_main_links_source', 'main-menu') == variable_get('menu_secondary_links_source', 'user-menu')) {
+      $vars['main_menu'] = theme_get_setting('toggle_main_menu') ? $this->menu_navigation_links(variable_get('menu_main_links_source', 'main-menu')) : $vars['main_menu'];
+      $vars['secondary_menu'] = theme_get_setting('toggle_secondary_menu') ? $this->menu_navigation_links(variable_get('menu_secondary_links_source', 'secondary-links'), 1) : $vars['secondary_menu'];
+    }
+
+    $vars['main_menu'] = $this->menu_set_active($vars['main_menu']);
+    $vars['secondary_menu'] = $this->menu_set_active($vars['secondary_menu']);
+  }
+
+  function get_active_paths() {
+    $active_paths = array();
+    foreach ($this->get_contexts() as $context) {
+      if (isset($context->reactions[$this->plugin])) {
+        $active_paths[] = $context->reactions[$this->plugin];
+      }
+    }
+    return $active_paths;
+  }
+
+  /**
+   * Iterates through a provided links array for use with theme_links()
+   * (e.g. from menu_primary_links()) and provides an active class for
+   * any items that have a path that matches an active context.
+   *
+   * @param $links
+   *   An array of links.
+   * @param $reset
+   *   A boolean flag for resetting the static cache.
+   *
+   * @return
+   *   A modified links array.
+   */
+  function menu_set_active($links = array(), $reset = FALSE) {
+    $new_links = array();
+    if (!empty($links)) {
+      $active_paths = $this->get_active_paths();
+
+      // Iterate through the provided links and build a new set of links
+      // that includes active classes
+      foreach ($links as $key => $link) {
+        if (!empty($link['href']) && in_array($link['href'], $active_paths)) {
+          $link['attributes']['class'][] = 'active';
+
+          if (strpos(' active', $key) === FALSE) {
+            $new_links[$key . ' active'] = $link;
+          }
+        }
+        else {
+          $new_links[$key] = $link;
+        }
+      }
+    }
+    return $new_links;
+  }
+
+  /**
+   * Wrapper around menu_navigation_links() that gives themers the option of
+   * building navigation links based on an active context trail.
+   */
+  function menu_navigation_links($menu_name, $level = 0) {
+    // Retrieve original path so we can repair it after our hack.
+    $original_path = $_GET['q'];
+    $original_menu_trail = drupal_static('menu_set_active_trail');
+
+    // Retrieve the first active menu path found.
+    if ($active_paths = $this->get_active_paths()) {
+      $path = current($active_paths);
+      if (menu_get_item($path)) {
+        menu_set_active_item($path);
+      }
+    }
+
+    // Build the links requested
+    if (module_exists('i18n_menu')) {
+      $links = i18n_menu_navigation_links($menu_name, $level);
+    } else {
+      $links = menu_navigation_links($menu_name, $level);
+    }
+
+    // Repair and get out
+    menu_set_active_item($original_path);
+    $repair_menu_trail = &drupal_static('menu_set_active_trail');
+    $repair_menu_trail = $original_menu_trail;
+    return $links;
+  }
+}