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// 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 A simple plugin that inserts 'Hello World!' on command. This
* plugin is intended to be an example of a very simple plugin for plugin
* developers.
*
* @author gak@google.com (Gregory Kick)
* @see helloworld.html
*/
goog.provide('goog.demos.editor.HelloWorld');
goog.require('goog.dom');
goog.require('goog.dom.TagName');
goog.require('goog.editor.Plugin');
/**
* Plugin to insert 'Hello World!' into an editable field.
* @constructor
* @extends {goog.editor.Plugin}
* @final
*/
goog.demos.editor.HelloWorld = function() {
goog.editor.Plugin.call(this);
};
goog.inherits(goog.demos.editor.HelloWorld, goog.editor.Plugin);
/** @override */
goog.demos.editor.HelloWorld.prototype.getTrogClassId = function() {
return 'HelloWorld';
};
/**
* Commands implemented by this plugin.
* @enum {string}
*/
goog.demos.editor.HelloWorld.COMMAND = {
HELLO_WORLD: '+helloWorld'
};
/** @override */
goog.demos.editor.HelloWorld.prototype.isSupportedCommand = function(command) {
return command == goog.demos.editor.HelloWorld.COMMAND.HELLO_WORLD;
};
/**
* Executes a command. Does not fire any BEFORECHANGE, CHANGE, or
* SELECTIONCHANGE events (these are handled by the super class implementation
* of {@code execCommand}.
* @param {string} command Command to execute.
* @override
* @protected
*/
goog.demos.editor.HelloWorld.prototype.execCommandInternal = function(command) {
var domHelper = this.getFieldObject().getEditableDomHelper();
var range = this.getFieldObject().getRange();
range.removeContents();
var newNode =
domHelper.createDom(goog.dom.TagName.SPAN, null, 'Hello World!');
range.insertNode(newNode, false);
};
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