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- /**
- * @file
- * Defines the behavior of the Drupal administration toolbar.
- */
- (function ($, Drupal, drupalSettings) {
- 'use strict';
- // Merge run-time settings with the defaults.
- var options = $.extend(
- {
- breakpoints: {
- 'toolbar.narrow': '',
- 'toolbar.standard': '',
- 'toolbar.wide': ''
- }
- },
- drupalSettings.toolbar,
- // Merge strings on top of drupalSettings so that they are not mutable.
- {
- strings: {
- horizontal: Drupal.t('Horizontal orientation'),
- vertical: Drupal.t('Vertical orientation')
- }
- }
- );
- /**
- * Registers tabs with the toolbar.
- *
- * The Drupal toolbar allows modules to register top-level tabs. These may
- * point directly to a resource or toggle the visibility of a tray.
- *
- * Modules register tabs with hook_toolbar().
- *
- * @type {Drupal~behavior}
- *
- * @prop {Drupal~behaviorAttach} attach
- * Attaches the toolbar rendering functionality to the toolbar element.
- */
- Drupal.behaviors.toolbar = {
- attach: function (context) {
- // Verify that the user agent understands media queries. Complex admin
- // toolbar layouts require media query support.
- if (!window.matchMedia('only screen').matches) {
- return;
- }
- // Process the administrative toolbar.
- $(context).find('#toolbar-administration').once('toolbar').each(function () {
- // Establish the toolbar models and views.
- var model = Drupal.toolbar.models.toolbarModel = new Drupal.toolbar.ToolbarModel({
- locked: JSON.parse(localStorage.getItem('Drupal.toolbar.trayVerticalLocked')) || false,
- activeTab: document.getElementById(JSON.parse(localStorage.getItem('Drupal.toolbar.activeTabID')))
- });
- Drupal.toolbar.views.toolbarVisualView = new Drupal.toolbar.ToolbarVisualView({
- el: this,
- model: model,
- strings: options.strings
- });
- Drupal.toolbar.views.toolbarAuralView = new Drupal.toolbar.ToolbarAuralView({
- el: this,
- model: model,
- strings: options.strings
- });
- Drupal.toolbar.views.bodyVisualView = new Drupal.toolbar.BodyVisualView({
- el: this,
- model: model
- });
- // Render collapsible menus.
- var menuModel = Drupal.toolbar.models.menuModel = new Drupal.toolbar.MenuModel();
- Drupal.toolbar.views.menuVisualView = new Drupal.toolbar.MenuVisualView({
- el: $(this).find('.toolbar-menu-administration').get(0),
- model: menuModel,
- strings: options.strings
- });
- // Handle the resolution of Drupal.toolbar.setSubtrees.
- // This is handled with a deferred so that the function may be invoked
- // asynchronously.
- Drupal.toolbar.setSubtrees.done(function (subtrees) {
- menuModel.set('subtrees', subtrees);
- var theme = drupalSettings.ajaxPageState.theme;
- localStorage.setItem('Drupal.toolbar.subtrees.' + theme, JSON.stringify(subtrees));
- // Indicate on the toolbarModel that subtrees are now loaded.
- model.set('areSubtreesLoaded', true);
- });
- // Attach a listener to the configured media query breakpoints.
- for (var label in options.breakpoints) {
- if (options.breakpoints.hasOwnProperty(label)) {
- var mq = options.breakpoints[label];
- var mql = Drupal.toolbar.mql[label] = window.matchMedia(mq);
- // Curry the model and the label of the media query breakpoint to
- // the mediaQueryChangeHandler function.
- mql.addListener(Drupal.toolbar.mediaQueryChangeHandler.bind(null, model, label));
- // Fire the mediaQueryChangeHandler for each configured breakpoint
- // so that they process once.
- Drupal.toolbar.mediaQueryChangeHandler.call(null, model, label, mql);
- }
- }
- // Trigger an initial attempt to load menu subitems. This first attempt
- // is made after the media query handlers have had an opportunity to
- // process. The toolbar starts in the vertical orientation by default,
- // unless the viewport is wide enough to accommodate a horizontal
- // orientation. Thus we give the Toolbar a chance to determine if it
- // should be set to horizontal orientation before attempting to load
- // menu subtrees.
- Drupal.toolbar.views.toolbarVisualView.loadSubtrees();
- $(document)
- // Update the model when the viewport offset changes.
- .on('drupalViewportOffsetChange.toolbar', function (event, offsets) {
- model.set('offsets', offsets);
- });
- // Broadcast model changes to other modules.
- model
- .on('change:orientation', function (model, orientation) {
- $(document).trigger('drupalToolbarOrientationChange', orientation);
- })
- .on('change:activeTab', function (model, tab) {
- $(document).trigger('drupalToolbarTabChange', tab);
- })
- .on('change:activeTray', function (model, tray) {
- $(document).trigger('drupalToolbarTrayChange', tray);
- });
- // If the toolbar's orientation is horizontal and no active tab is
- // defined then show the tray of the first toolbar tab by default (but
- // not the first 'Home' toolbar tab).
- if (Drupal.toolbar.models.toolbarModel.get('orientation') === 'horizontal' && Drupal.toolbar.models.toolbarModel.get('activeTab') === null) {
- Drupal.toolbar.models.toolbarModel.set({
- activeTab: $('.toolbar-bar .toolbar-tab:not(.home-toolbar-tab) a').get(0)
- });
- }
- });
- }
- };
- /**
- * Toolbar methods of Backbone objects.
- *
- * @namespace
- */
- Drupal.toolbar = {
- /**
- * A hash of View instances.
- *
- * @type {object.<string, Backbone.View>}
- */
- views: {},
- /**
- * A hash of Model instances.
- *
- * @type {object.<string, Backbone.Model>}
- */
- models: {},
- /**
- * A hash of MediaQueryList objects tracked by the toolbar.
- *
- * @type {object.<string, object>}
- */
- mql: {},
- /**
- * Accepts a list of subtree menu elements.
- *
- * A deferred object that is resolved by an inlined JavaScript callback.
- *
- * @type {jQuery.Deferred}
- *
- * @see toolbar_subtrees_jsonp().
- */
- setSubtrees: new $.Deferred(),
- /**
- * Respond to configured narrow media query changes.
- *
- * @param {Drupal.toolbar.ToolbarModel} model
- * A toolbar model
- * @param {string} label
- * Media query label.
- * @param {object} mql
- * A MediaQueryList object.
- */
- mediaQueryChangeHandler: function (model, label, mql) {
- switch (label) {
- case 'toolbar.narrow':
- model.set({
- isOriented: mql.matches,
- isTrayToggleVisible: false
- });
- // If the toolbar doesn't have an explicit orientation yet, or if the
- // narrow media query doesn't match then set the orientation to
- // vertical.
- if (!mql.matches || !model.get('orientation')) {
- model.set({orientation: 'vertical'}, {validate: true});
- }
- break;
- case 'toolbar.standard':
- model.set({
- isFixed: mql.matches
- });
- break;
- case 'toolbar.wide':
- model.set({
- orientation: ((mql.matches) ? 'horizontal' : 'vertical')
- }, {validate: true});
- // The tray orientation toggle visibility does not need to be
- // validated.
- model.set({
- isTrayToggleVisible: mql.matches
- });
- break;
- default:
- break;
- }
- }
- };
- /**
- * A toggle is an interactive element often bound to a click handler.
- *
- * @return {string}
- * A string representing a DOM fragment.
- */
- Drupal.theme.toolbarOrientationToggle = function () {
- return '<div class="toolbar-toggle-orientation"><div class="toolbar-lining">' +
- '<button class="toolbar-icon" type="button"></button>' +
- '</div></div>';
- };
- /**
- * Ajax command to set the toolbar subtrees.
- *
- * @param {Drupal.Ajax} ajax
- * {@link Drupal.Ajax} object created by {@link Drupal.ajax}.
- * @param {object} response
- * JSON response from the Ajax request.
- * @param {number} [status]
- * XMLHttpRequest status.
- */
- Drupal.AjaxCommands.prototype.setToolbarSubtrees = function (ajax, response, status) {
- Drupal.toolbar.setSubtrees.resolve(response.subtrees);
- };
- }(jQuery, Drupal, drupalSettings));
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