100 lines
3.1 KiB
JavaScript
100 lines
3.1 KiB
JavaScript
// Copyright 2008 The Closure Library Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS-IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/**
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* @fileoverview Renderer for {@link goog.ui.Toolbar}s.
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*
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* @author attila@google.com (Attila Bodis)
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*/
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goog.provide('goog.ui.ToolbarRenderer');
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goog.require('goog.a11y.aria.Role');
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goog.require('goog.ui.Container');
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goog.require('goog.ui.ContainerRenderer');
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goog.require('goog.ui.Separator');
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goog.require('goog.ui.ToolbarSeparatorRenderer');
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/**
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* Default renderer for {@link goog.ui.Toolbar}s, based on {@link
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* goog.ui.ContainerRenderer}.
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* @constructor
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* @extends {goog.ui.ContainerRenderer}
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*/
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goog.ui.ToolbarRenderer = function() {
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goog.ui.ContainerRenderer.call(this);
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};
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goog.inherits(goog.ui.ToolbarRenderer, goog.ui.ContainerRenderer);
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goog.addSingletonGetter(goog.ui.ToolbarRenderer);
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/**
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* Default CSS class to be applied to the root element of toolbars rendered
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* by this renderer.
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* @type {string}
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*/
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goog.ui.ToolbarRenderer.CSS_CLASS = goog.getCssName('goog-toolbar');
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/**
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* Returns the ARIA role to be applied to toolbar/menubar.
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* @return {string} ARIA role.
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* @override
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*/
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goog.ui.ToolbarRenderer.prototype.getAriaRole = function() {
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return goog.a11y.aria.Role.TOOLBAR;
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};
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/**
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* Inspects the element, and creates an instance of {@link goog.ui.Control} or
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* an appropriate subclass best suited to decorate it. Overrides the superclass
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* implementation by recognizing HR elements as separators.
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* @param {Element} element Element to decorate.
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* @return {goog.ui.Control?} A new control suitable to decorate the element
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* (null if none).
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* @override
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*/
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goog.ui.ToolbarRenderer.prototype.getDecoratorForChild = function(element) {
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return element.tagName == 'HR' ?
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new goog.ui.Separator(goog.ui.ToolbarSeparatorRenderer.getInstance()) :
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goog.ui.ToolbarRenderer.superClass_.getDecoratorForChild.call(this,
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element);
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};
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/**
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* Returns the CSS class to be applied to the root element of containers
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* rendered using this renderer.
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* @return {string} Renderer-specific CSS class.
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* @override
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*/
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goog.ui.ToolbarRenderer.prototype.getCssClass = function() {
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return goog.ui.ToolbarRenderer.CSS_CLASS;
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};
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/**
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* Returns the default orientation of containers rendered or decorated by this
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* renderer. This implementation returns {@code HORIZONTAL}.
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* @return {goog.ui.Container.Orientation} Default orientation for containers
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* created or decorated by this renderer.
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* @override
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*/
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goog.ui.ToolbarRenderer.prototype.getDefaultOrientation = function() {
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return goog.ui.Container.Orientation.HORIZONTAL;
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};
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