68 lines
2.2 KiB
JavaScript
68 lines
2.2 KiB
JavaScript
// Copyright 2010 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 Similiar to {@link goog.ui.FlatButtonRenderer},
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* but underlines text instead of adds borders.
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*
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* For accessibility reasons, it is best to use this with a goog.ui.Button
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* instead of an A element for links that perform actions in the page. Links
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* that have an href and open a new page can and should remain as A elements.
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*
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* @author robbyw@google.com (Robby Walker)
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*/
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goog.provide('goog.ui.LinkButtonRenderer');
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goog.require('goog.ui.Button');
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goog.require('goog.ui.FlatButtonRenderer');
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goog.require('goog.ui.registry');
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/**
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* Link renderer for {@link goog.ui.Button}s. Link buttons can contain
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* almost arbitrary HTML content, will flow like inline elements, but can be
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* styled like block-level elements.
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* @constructor
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* @extends {goog.ui.FlatButtonRenderer}
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*/
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goog.ui.LinkButtonRenderer = function() {
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goog.ui.FlatButtonRenderer.call(this);
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};
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goog.inherits(goog.ui.LinkButtonRenderer, goog.ui.FlatButtonRenderer);
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goog.addSingletonGetter(goog.ui.LinkButtonRenderer);
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/**
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* Default CSS class to be applied to the root element of components rendered
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* by this renderer.
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* @type {string}
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*/
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goog.ui.LinkButtonRenderer.CSS_CLASS = goog.getCssName('goog-link-button');
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/** @override */
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goog.ui.LinkButtonRenderer.prototype.getCssClass = function() {
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return goog.ui.LinkButtonRenderer.CSS_CLASS;
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};
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// Register a decorator factory function for Link Buttons.
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goog.ui.registry.setDecoratorByClassName(goog.ui.LinkButtonRenderer.CSS_CLASS,
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function() {
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// Uses goog.ui.Button, but with LinkButtonRenderer.
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return new goog.ui.Button(null, goog.ui.LinkButtonRenderer.getInstance());
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});
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