| // Copyright 2010 The Closure Library Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS-IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| /** |
| * @fileoverview Similiar to {@link goog.ui.FlatButtonRenderer}, |
| * but underlines text instead of adds borders. |
| * |
| * For accessibility reasons, it is best to use this with a goog.ui.Button |
| * instead of an A element for links that perform actions in the page. Links |
| * that have an href and open a new page can and should remain as A elements. |
| * |
| * @author robbyw@google.com (Robby Walker) |
| */ |
| |
| goog.provide('goog.ui.LinkButtonRenderer'); |
| |
| goog.require('goog.ui.Button'); |
| goog.require('goog.ui.FlatButtonRenderer'); |
| goog.require('goog.ui.registry'); |
| |
| |
| |
| /** |
| * Link renderer for {@link goog.ui.Button}s. Link buttons can contain |
| * almost arbitrary HTML content, will flow like inline elements, but can be |
| * styled like block-level elements. |
| * @constructor |
| * @extends {goog.ui.FlatButtonRenderer} |
| */ |
| goog.ui.LinkButtonRenderer = function() { |
| goog.ui.FlatButtonRenderer.call(this); |
| }; |
| goog.inherits(goog.ui.LinkButtonRenderer, goog.ui.FlatButtonRenderer); |
| goog.addSingletonGetter(goog.ui.LinkButtonRenderer); |
| |
| |
| /** |
| * Default CSS class to be applied to the root element of components rendered |
| * by this renderer. |
| * @type {string} |
| */ |
| goog.ui.LinkButtonRenderer.CSS_CLASS = goog.getCssName('goog-link-button'); |
| |
| |
| /** @override */ |
| goog.ui.LinkButtonRenderer.prototype.getCssClass = function() { |
| return goog.ui.LinkButtonRenderer.CSS_CLASS; |
| }; |
| |
| |
| // Register a decorator factory function for Link Buttons. |
| goog.ui.registry.setDecoratorByClassName(goog.ui.LinkButtonRenderer.CSS_CLASS, |
| function() { |
| // Uses goog.ui.Button, but with LinkButtonRenderer. |
| return new goog.ui.Button(null, goog.ui.LinkButtonRenderer.getInstance()); |
| }); |