71 lines
2 KiB
JavaScript
71 lines
2 KiB
JavaScript
/**
|
|
* @file
|
|
* A Backbone view for the aural feedback of the toolbar.
|
|
*/
|
|
|
|
(function (Backbone, Drupal) {
|
|
|
|
"use strict";
|
|
|
|
Drupal.toolbar.ToolbarAuralView = Backbone.View.extend(/** @lends Drupal.toolbar.ToolbarAuralView# */{
|
|
|
|
/**
|
|
* Backbone view for the aural feedback of the toolbar.
|
|
*
|
|
* @constructs
|
|
*
|
|
* @augments Backbone.View
|
|
*
|
|
* @param {object} options
|
|
* Options for the view.
|
|
* @param {object} options.strings
|
|
* Various strings to use in the view.
|
|
*/
|
|
initialize: function (options) {
|
|
this.strings = options.strings;
|
|
|
|
this.listenTo(this.model, 'change:orientation', this.onOrientationChange);
|
|
this.listenTo(this.model, 'change:activeTray', this.onActiveTrayChange);
|
|
},
|
|
|
|
/**
|
|
* Announces an orientation change.
|
|
*
|
|
* @param {Drupal.toolbar.ToolbarModel} model
|
|
* The toolbar model in question.
|
|
* @param {string} orientation
|
|
* The new value of the orientation attribute in the model.
|
|
*/
|
|
onOrientationChange: function (model, orientation) {
|
|
Drupal.announce(Drupal.t('Tray orientation changed to @orientation.', {
|
|
'@orientation': orientation
|
|
}));
|
|
},
|
|
|
|
/**
|
|
* Announces a changed active tray.
|
|
*
|
|
* @param {Drupal.toolbar.ToolbarModel} model
|
|
* The toolbar model in question.
|
|
* @param {HTMLElement} tray
|
|
* The new value of the tray attribute in the model.
|
|
*/
|
|
onActiveTrayChange: function (model, tray) {
|
|
var relevantTray = (tray === null) ? model.previous('activeTray') : tray;
|
|
var action = (tray === null) ? Drupal.t('closed') : Drupal.t('opened');
|
|
var trayNameElement = relevantTray.querySelector('.toolbar-tray-name');
|
|
var text;
|
|
if (trayNameElement !== null) {
|
|
text = Drupal.t('Tray "@tray" @action.', {
|
|
'@tray': trayNameElement.textContent, '@action': action
|
|
});
|
|
}
|
|
else {
|
|
text = Drupal.t('Tray @action.', {'@action': action});
|
|
}
|
|
Drupal.announce(text);
|
|
}
|
|
});
|
|
|
|
}(Backbone, Drupal));
|