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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 Handles applying header styles to text.
*
*/
goog.provide('goog.editor.plugins.HeaderFormatter');
goog.require('goog.editor.Command');
goog.require('goog.editor.Plugin');
goog.require('goog.userAgent');
/**
* Applies header styles to text.
* @constructor
* @extends {goog.editor.Plugin}
*/
goog.editor.plugins.HeaderFormatter = function() {
goog.editor.Plugin.call(this);
};
goog.inherits(goog.editor.plugins.HeaderFormatter, goog.editor.Plugin);
/** @override */
goog.editor.plugins.HeaderFormatter.prototype.getTrogClassId = function() {
return 'HeaderFormatter';
};
// TODO(user): Move execCommand functionality from basictextformatter into
// here for headers. I'm not doing this now because it depends on the
// switch statements in basictextformatter and we'll need to abstract that out
// in order to seperate out any of the functions from basictextformatter.
/**
* Commands that can be passed as the optional argument to execCommand.
* @enum {string}
*/
goog.editor.plugins.HeaderFormatter.HEADER_COMMAND = {
H1: 'H1',
H2: 'H2',
H3: 'H3',
H4: 'H4'
};
/**
* @override
*/
goog.editor.plugins.HeaderFormatter.prototype.handleKeyboardShortcut = function(
e, key, isModifierPressed) {
if (!isModifierPressed) {
return false;
}
var command = null;
switch (key) {
case '1':
command = goog.editor.plugins.HeaderFormatter.HEADER_COMMAND.H1;
break;
case '2':
command = goog.editor.plugins.HeaderFormatter.HEADER_COMMAND.H2;
break;
case '3':
command = goog.editor.plugins.HeaderFormatter.HEADER_COMMAND.H3;
break;
case '4':
command = goog.editor.plugins.HeaderFormatter.HEADER_COMMAND.H4;
break;
}
if (command) {
this.getFieldObject().execCommand(
goog.editor.Command.FORMAT_BLOCK, command);
// Prevent default isn't enough to cancel tab navigation in FF.
if (goog.userAgent.GECKO) {
e.stopPropagation();
}
return true;
}
return false;
};
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