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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
cr.define('print_preview', function() {
'use strict';
/**
* Creates a LayoutSettings object. This object encapsulates all settings and
* logic related to layout mode (portrait/landscape).
* @param {!print_preview.ticket_items.Landscape} landscapeTicketItem Used to
* get the layout written to the print ticket.
* @constructor
* @extends {print_preview.SettingsSection}
*/
function LayoutSettings(landscapeTicketItem) {
print_preview.SettingsSection.call(this);
/**
* Used to get the layout written to the print ticket.
* @type {!print_preview.ticket_items.Landscape}
* @private
*/
this.landscapeTicketItem_ = landscapeTicketItem;
};
LayoutSettings.prototype = {
__proto__: print_preview.SettingsSection.prototype,
/** @override */
isAvailable: function() {
return this.landscapeTicketItem_.isCapabilityAvailable();
},
/** @override */
hasCollapsibleContent: function() {
return false;
},
/** @override */
set isEnabled(isEnabled) {
this.select_.disabled = !isEnabled;
},
/** @override */
enterDocument: function() {
print_preview.SettingsSection.prototype.enterDocument.call(this);
this.tracker.add(
this.select_, 'change', this.onSelectChange_.bind(this));
this.tracker.add(
this.landscapeTicketItem_,
print_preview.ticket_items.TicketItem.EventType.CHANGE,
this.onLandscapeTicketItemChange_.bind(this));
},
/**
* Called when the select element is changed. Updates the print ticket
* layout selection.
* @private
*/
onSelectChange_: function() {
var select = this.select_;
var isLandscape =
select.options[select.selectedIndex].value == 'landscape';
this.landscapeTicketItem_.updateValue(isLandscape);
},
/**
* @return {HTMLSelectElement} Select element containing the layout options.
* @private
*/
get select_() {
return this.getChildElement('.layout-settings-select');
},
/**
* Called when the print ticket store changes state. Updates the state of
* the radio buttons and hides the setting if necessary.
* @private
*/
onLandscapeTicketItemChange_: function() {
if (this.isAvailable()) {
var select = this.select_;
var valueToSelect =
this.landscapeTicketItem_.getValue() ? 'landscape' : 'portrait';
for (var i = 0; i < select.options.length; i++) {
if (select.options[i].value == valueToSelect) {
select.selectedIndex = i;
break;
}
}
}
this.updateUiStateInternal();
}
};
// Export
return {
LayoutSettings: LayoutSettings
};
});
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