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[ckeditor.git] / skins / ckeditor / _source / plugins / sourcearea / plugin.js
1 /*
2 Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.
3 For licensing, see LICENSE.html or http://ckeditor.com/license
4 */
5
6 /**
7 * @fileOverview The "sourcearea" plugin. It registers the "source" editing
8 * mode, which displays the raw data being edited in the editor.
9 */
10
11 CKEDITOR.plugins.add( 'sourcearea',
12 {
13 requires : [ 'editingblock' ],
14
15 init : function( editor )
16 {
17 var sourcearea = CKEDITOR.plugins.sourcearea,
18 win = CKEDITOR.document.getWindow();
19
20 editor.on( 'editingBlockReady', function()
21 {
22 var textarea,
23 onResize;
24
25 editor.addMode( 'source',
26 {
27 load : function( holderElement, data )
28 {
29 if ( CKEDITOR.env.ie && CKEDITOR.env.version < 8 )
30 holderElement.setStyle( 'position', 'relative' );
31
32 // Create the source area <textarea>.
33 editor.textarea = textarea = new CKEDITOR.dom.element( 'textarea' );
34 textarea.setAttributes(
35 {
36 dir : 'ltr',
37 tabIndex : CKEDITOR.env.webkit ? -1 : editor.tabIndex,
38 'role' : 'textbox',
39 'aria-label' : editor.lang.editorTitle.replace( '%1', editor.name )
40 });
41 textarea.addClass( 'cke_source' );
42 textarea.addClass( 'cke_enable_context_menu' );
43
44 editor.readOnly && textarea.setAttribute( 'readOnly', 'readonly' );
45
46 var styles =
47 {
48 // IE7 has overflow the <textarea> from wrapping table cell.
49 width : CKEDITOR.env.ie7Compat ? '99%' : '100%',
50 height : '100%',
51 resize : 'none',
52 outline : 'none',
53 'text-align' : 'left'
54 };
55
56 // Having to make <textarea> fixed sized to conque the following bugs:
57 // 1. The textarea height/width='100%' doesn't constraint to the 'td' in IE6/7.
58 // 2. Unexpected vertical-scrolling behavior happens whenever focus is moving out of editor
59 // if text content within it has overflowed. (#4762)
60 if ( CKEDITOR.env.ie )
61 {
62 onResize = function()
63 {
64 // Holder rectange size is stretched by textarea,
65 // so hide it just for a moment.
66 textarea.hide();
67 textarea.setStyle( 'height', holderElement.$.clientHeight + 'px' );
68 textarea.setStyle( 'width', holderElement.$.clientWidth + 'px' );
69 // When we have proper holder size, show textarea again.
70 textarea.show();
71 };
72
73 editor.on( 'resize', onResize );
74 win.on( 'resize', onResize );
75 setTimeout( onResize, 0 );
76 }
77
78 // Reset the holder element and append the
79 // <textarea> to it.
80 holderElement.setHtml( '' );
81 holderElement.append( textarea );
82 textarea.setStyles( styles );
83
84 editor.fire( 'ariaWidget', textarea );
85
86 textarea.on( 'blur', function()
87 {
88 editor.focusManager.blur();
89 });
90
91 textarea.on( 'focus', function()
92 {
93 editor.focusManager.focus();
94 });
95
96 // The editor data "may be dirty" after this point.
97 editor.mayBeDirty = true;
98
99 // Set the <textarea> value.
100 this.loadData( data );
101
102 var keystrokeHandler = editor.keystrokeHandler;
103 if ( keystrokeHandler )
104 keystrokeHandler.attach( textarea );
105
106 setTimeout( function()
107 {
108 editor.mode = 'source';
109 editor.fire( 'mode' );
110 },
111 ( CKEDITOR.env.gecko || CKEDITOR.env.webkit ) ? 100 : 0 );
112 },
113
114 loadData : function( data )
115 {
116 textarea.setValue( data );
117 editor.fire( 'dataReady' );
118 },
119
120 getData : function()
121 {
122 return textarea.getValue();
123 },
124
125 getSnapshotData : function()
126 {
127 return textarea.getValue();
128 },
129
130 unload : function( holderElement )
131 {
132 textarea.clearCustomData();
133 editor.textarea = textarea = null;
134
135 if ( onResize )
136 {
137 editor.removeListener( 'resize', onResize );
138 win.removeListener( 'resize', onResize );
139 }
140
141 if ( CKEDITOR.env.ie && CKEDITOR.env.version < 8 )
142 holderElement.removeStyle( 'position' );
143 },
144
145 focus : function()
146 {
147 textarea.focus();
148 }
149 });
150 });
151
152 editor.on( 'readOnly', function()
153 {
154 if ( editor.mode == 'source' )
155 {
156 if ( editor.readOnly )
157 editor.textarea.setAttribute( 'readOnly', 'readonly' );
158 else
159 editor.textarea.removeAttribute( 'readOnly' );
160 }
161 });
162
163 editor.addCommand( 'source', sourcearea.commands.source );
164
165 if ( editor.ui.addButton )
166 {
167 editor.ui.addButton( 'Source',
168 {
169 label : editor.lang.source,
170 command : 'source'
171 });
172 }
173
174 editor.on( 'mode', function()
175 {
176 editor.getCommand( 'source' ).setState(
177 editor.mode == 'source' ?
178 CKEDITOR.TRISTATE_ON :
179 CKEDITOR.TRISTATE_OFF );
180 });
181 }
182 });
183
184 /**
185 * Holds the definition of commands an UI elements included with the sourcearea
186 * plugin.
187 * @example
188 */
189 CKEDITOR.plugins.sourcearea =
190 {
191 commands :
192 {
193 source :
194 {
195 modes : { wysiwyg:1, source:1 },
196 editorFocus : false,
197 readOnly : 1,
198 exec : function( editor )
199 {
200 if ( editor.mode == 'wysiwyg' )
201 editor.fire( 'saveSnapshot' );
202 editor.getCommand( 'source' ).setState( CKEDITOR.TRISTATE_DISABLED );
203 editor.setMode( editor.mode == 'source' ? 'wysiwyg' : 'source' );
204 },
205
206 canUndo : false
207 }
208 }
209 };