initial commit
[namibia] / public / scripts / ckeditor / _source / plugins / button / 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 CKEDITOR.plugins.add( 'button',
7 {
8         beforeInit : function( editor )
9         {
10                 editor.ui.addHandler( CKEDITOR.UI_BUTTON, CKEDITOR.ui.button.handler );
11         }
12 });
13
14 /**
15  * Button UI element.
16  * @constant
17  * @example
18  */
19 CKEDITOR.UI_BUTTON = 'button';
20
21 /**
22  * Represents a button UI element. This class should not be called directly. To
23  * create new buttons use {@link CKEDITOR.ui.prototype.addButton} instead.
24  * @constructor
25  * @param {Object} definition The button definition.
26  * @example
27  */
28 CKEDITOR.ui.button = function( definition )
29 {
30         // Copy all definition properties to this object.
31         CKEDITOR.tools.extend( this, definition,
32                 // Set defaults.
33                 {
34                         title           : definition.label,
35                         className       : definition.className || ( definition.command && 'cke_button_' + definition.command ) || '',
36                         click           : definition.click || function( editor )
37                                 {
38                                         editor.execCommand( definition.command );
39                                 }
40                 });
41
42         this._ = {};
43 };
44
45 /**
46  * Transforms a button definition in a {@link CKEDITOR.ui.button} instance.
47  * @type Object
48  * @example
49  */
50 CKEDITOR.ui.button.handler =
51 {
52         create : function( definition )
53         {
54                 return new CKEDITOR.ui.button( definition );
55         }
56 };
57
58 ( function()
59 {
60 CKEDITOR.ui.button.prototype =
61 {
62         /**
63          * Renders the button.
64          * @param {CKEDITOR.editor} editor The editor instance which this button is
65          *              to be used by.
66          * @param {Array} output The output array to which append the HTML relative
67          *              to this button.
68          * @example
69          */
70         render : function( editor, output )
71         {
72                 var env = CKEDITOR.env,
73                         id = this._.id = CKEDITOR.tools.getNextId(),
74                         classes = '',
75                         command = this.command, // Get the command name.
76                         clickFn;
77
78                 this._.editor = editor;
79
80                 var instance =
81                 {
82                         id : id,
83                         button : this,
84                         editor : editor,
85                         focus : function()
86                         {
87                                 var element = CKEDITOR.document.getById( id );
88                                 element.focus();
89                         },
90                         execute : function()
91                         {
92                                 // IE 6 needs some time before execution (#7922)
93                                 if ( CKEDITOR.env.ie && CKEDITOR.env.version < 7 )
94                                         CKEDITOR.tools.setTimeout( function(){ this.button.click( editor ); }, 0, this );
95                                 else
96                                         this.button.click( editor );
97                         }
98                 };
99
100                 var keydownFn = CKEDITOR.tools.addFunction( function( ev )
101                         {
102                                 if ( instance.onkey )
103                                 {
104                                         ev = new CKEDITOR.dom.event( ev );
105                                         return ( instance.onkey( instance, ev.getKeystroke() ) !== false );
106                                 }
107                         });
108
109                 var focusFn = CKEDITOR.tools.addFunction( function( ev )
110                         {
111                                 var retVal;
112
113                                 if ( instance.onfocus )
114                                           retVal = ( instance.onfocus( instance, new CKEDITOR.dom.event( ev ) ) !== false );
115
116                                 // FF2: prevent focus event been bubbled up to editor container, which caused unexpected editor focus.
117                                 if ( CKEDITOR.env.gecko && CKEDITOR.env.version < 10900 )
118                                           ev.preventBubble();
119                                 return retVal;
120                         });
121
122                 instance.clickFn = clickFn = CKEDITOR.tools.addFunction( instance.execute, instance );
123
124
125                 // Indicate a mode sensitive button.
126                 if ( this.modes )
127                 {
128                         var modeStates = {};
129
130                         function updateState()
131                         {
132                                 // "this" is a CKEDITOR.ui.button instance.
133
134                                 var mode = editor.mode;
135
136                                 if ( mode )
137                                 {
138                                         // Restore saved button state.
139                                         var state = this.modes[ mode ] ? modeStates[ mode ] != undefined ? modeStates[ mode ] :
140                                                         CKEDITOR.TRISTATE_OFF : CKEDITOR.TRISTATE_DISABLED;
141
142                                         this.setState( editor.readOnly && !this.readOnly ? CKEDITOR.TRISTATE_DISABLED : state );
143                                 }
144                         }
145
146                         editor.on( 'beforeModeUnload', function()
147                                 {
148                                         if ( editor.mode && this._.state != CKEDITOR.TRISTATE_DISABLED )
149                                                 modeStates[ editor.mode ] = this._.state;
150                                 }, this );
151
152                         editor.on( 'mode', updateState, this);
153
154                         // If this button is sensitive to readOnly state, update it accordingly.
155                         !this.readOnly && editor.on( 'readOnly', updateState, this);
156                 }
157                 else if ( command )
158                 {
159                         // Get the command instance.
160                         command = editor.getCommand( command );
161
162                         if ( command )
163                         {
164                                 command.on( 'state', function()
165                                         {
166                                                 this.setState( command.state );
167                                         }, this);
168
169                                 classes += 'cke_' + (
170                                         command.state == CKEDITOR.TRISTATE_ON ? 'on' :
171                                         command.state == CKEDITOR.TRISTATE_DISABLED ? 'disabled' :
172                                         'off' );
173                         }
174                 }
175
176                 if ( !command )
177                         classes += 'cke_off';
178
179                 if ( this.className )
180                         classes += ' ' + this.className;
181
182                 output.push(
183                         '<span class="cke_button' + ( this.icon && this.icon.indexOf( '.png' ) == -1 ? ' cke_noalphafix' : '' ) + '">',
184                         '<a id="', id, '"' +
185                                 ' class="', classes, '"',
186                                 env.gecko && env.version >= 10900 && !env.hc  ? '' : '" href="javascript:void(\''+ ( this.title || '' ).replace( "'", '' )+ '\')"',
187                                 ' title="', this.title, '"' +
188                                 ' tabindex="-1"' +
189                                 ' hidefocus="true"' +
190                             ' role="button"' +
191                                 ' aria-labelledby="' + id + '_label"' +
192                                 ( this.hasArrow ?  ' aria-haspopup="true"' : '' ) );
193
194                 // Some browsers don't cancel key events in the keydown but in the
195                 // keypress.
196                 // TODO: Check if really needed for Gecko+Mac.
197                 if ( env.opera || ( env.gecko && env.mac ) )
198                 {
199                         output.push(
200                                 ' onkeypress="return false;"' );
201                 }
202
203                 // With Firefox, we need to force the button to redraw, otherwise it
204                 // will remain in the focus state.
205                 if ( env.gecko )
206                 {
207                         output.push(
208                                 ' onblur="this.style.cssText = this.style.cssText;"' );
209                 }
210
211                 output.push(
212                                         ' onkeydown="return CKEDITOR.tools.callFunction(', keydownFn, ', event);"' +
213                                         ' onfocus="return CKEDITOR.tools.callFunction(', focusFn,', event);" ' +
214                                         ( CKEDITOR.env.ie ? 'onclick="return false;" onmouseup' : 'onclick' ) +         // #188
215                                                 '="CKEDITOR.tools.callFunction(', clickFn, ', this); return false;">' +
216                                         '<span class="cke_icon"' );
217
218                 if ( this.icon )
219                 {
220                         var offset = ( this.iconOffset || 0 ) * -16;
221                         output.push( ' style="background-image:url(', CKEDITOR.getUrl( this.icon ), ');background-position:0 ' + offset + 'px;"' );
222                 }
223
224                 output.push(
225                                         '>&nbsp;</span>' +
226                                         '<span id="', id, '_label" class="cke_label">', this.label, '</span>' );
227
228                 if ( this.hasArrow )
229                 {
230                         output.push(
231                                         '<span class="cke_buttonarrow">'
232                                         // BLACK DOWN-POINTING TRIANGLE
233                                         + ( CKEDITOR.env.hc ? '&#9660;' : '&nbsp;' )
234                                         + '</span>' );
235                 }
236
237                 output.push(
238                         '</a>',
239                         '</span>' );
240
241                 if ( this.onRender )
242                         this.onRender();
243
244                 return instance;
245         },
246
247         setState : function( state )
248         {
249                 if ( this._.state == state )
250                         return false;
251
252                 this._.state = state;
253
254                 var element = CKEDITOR.document.getById( this._.id );
255
256                 if ( element )
257                 {
258                         element.setState( state );
259                         state == CKEDITOR.TRISTATE_DISABLED ?
260                                 element.setAttribute( 'aria-disabled', true ) :
261                                 element.removeAttribute( 'aria-disabled' );
262
263                         state == CKEDITOR.TRISTATE_ON ?
264                                 element.setAttribute( 'aria-pressed', true ) :
265                                 element.removeAttribute( 'aria-pressed' );
266
267                         return true;
268                 }
269                 else
270                         return false;
271         }
272 };
273
274 })();
275
276 /**
277  * Adds a button definition to the UI elements list.
278  * @param {String} name The button name.
279  * @param {Object} definition The button definition.
280  * @example
281  * editorInstance.ui.addButton( 'MyBold',
282  *     {
283  *         label : 'My Bold',
284  *         command : 'bold'
285  *     });
286  */
287 CKEDITOR.ui.prototype.addButton = function( name, definition )
288 {
289         this.add( name, CKEDITOR.UI_BUTTON, definition );
290 };