| // Copyright 2008 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 Editor plugin to handle tab keys in lists to indent and |
| * outdent. |
| * |
| * @author robbyw@google.com (Robby Walker) |
| */ |
| |
| goog.provide('goog.editor.plugins.ListTabHandler'); |
| |
| goog.require('goog.dom'); |
| goog.require('goog.dom.TagName'); |
| goog.require('goog.editor.Command'); |
| goog.require('goog.editor.plugins.AbstractTabHandler'); |
| goog.require('goog.iter'); |
| |
| |
| |
| /** |
| * Plugin to handle tab keys in lists to indent and outdent. |
| * @constructor |
| * @extends {goog.editor.plugins.AbstractTabHandler} |
| * @final |
| */ |
| goog.editor.plugins.ListTabHandler = function() { |
| goog.editor.plugins.AbstractTabHandler.call(this); |
| }; |
| goog.inherits(goog.editor.plugins.ListTabHandler, |
| goog.editor.plugins.AbstractTabHandler); |
| |
| |
| /** @override */ |
| goog.editor.plugins.ListTabHandler.prototype.getTrogClassId = function() { |
| return 'ListTabHandler'; |
| }; |
| |
| |
| /** @override */ |
| goog.editor.plugins.ListTabHandler.prototype.handleTabKey = function(e) { |
| var range = this.getFieldObject().getRange(); |
| if (goog.dom.getAncestorByTagNameAndClass(range.getContainerElement(), |
| goog.dom.TagName.LI) || |
| goog.iter.some(range, function(node) { |
| return node.tagName == goog.dom.TagName.LI; |
| })) { |
| this.getFieldObject().execCommand(e.shiftKey ? |
| goog.editor.Command.OUTDENT : |
| goog.editor.Command.INDENT); |
| e.preventDefault(); |
| return true; |
| } |
| |
| return false; |
| }; |
| |