initial commit
[namibia] / public / scripts / ckeditor / _source / plugins / floatpanel / 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( 'floatpanel',
7 {
8         requires : [ 'panel' ]
9 });
10
11 (function()
12 {
13         var panels = {};
14         var isShowing = false;
15
16         function getPanel( editor, doc, parentElement, definition, level )
17         {
18                 // Generates the panel key: docId-eleId-skinName-langDir[-uiColor][-CSSs][-level]
19                 var key = CKEDITOR.tools.genKey( doc.getUniqueId(), parentElement.getUniqueId(), editor.skinName, editor.lang.dir,
20                         editor.uiColor || '', definition.css || '', level || '' );
21
22                 var panel = panels[ key ];
23
24                 if ( !panel )
25                 {
26                         panel = panels[ key ] = new CKEDITOR.ui.panel( doc, definition );
27                         panel.element = parentElement.append( CKEDITOR.dom.element.createFromHtml( panel.renderHtml( editor ), doc ) );
28
29                         panel.element.setStyles(
30                                 {
31                                         display : 'none',
32                                         position : 'absolute'
33                                 });
34                 }
35
36                 return panel;
37         }
38
39         CKEDITOR.ui.floatPanel = CKEDITOR.tools.createClass(
40         {
41                 $ : function( editor, parentElement, definition, level )
42                 {
43                         definition.forceIFrame = 1;
44
45                         var doc = parentElement.getDocument(),
46                                 panel = getPanel( editor, doc, parentElement, definition, level || 0 ),
47                                 element = panel.element,
48                                 iframe = element.getFirst().getFirst();
49
50                         this.element = element;
51
52                         this._ =
53                         {
54                                 editor : editor,
55                                 // The panel that will be floating.
56                                 panel : panel,
57                                 parentElement : parentElement,
58                                 definition : definition,
59                                 document : doc,
60                                 iframe : iframe,
61                                 children : [],
62                                 dir : editor.lang.dir
63                         };
64
65                         editor.on( 'mode', function(){ this.hide(); }, this );
66                 },
67
68                 proto :
69                 {
70                         addBlock : function( name, block )
71                         {
72                                 return this._.panel.addBlock( name, block );
73                         },
74
75                         addListBlock : function( name, multiSelect )
76                         {
77                                 return this._.panel.addListBlock( name, multiSelect );
78                         },
79
80                         getBlock : function( name )
81                         {
82                                 return this._.panel.getBlock( name );
83                         },
84
85                         /*
86                                 corner (LTR):
87                                         1 = top-left
88                                         2 = top-right
89                                         3 = bottom-right
90                                         4 = bottom-left
91
92                                 corner (RTL):
93                                         1 = top-right
94                                         2 = top-left
95                                         3 = bottom-left
96                                         4 = bottom-right
97                          */
98                         showBlock : function( name, offsetParent, corner, offsetX, offsetY )
99                         {
100                                 var panel = this._.panel,
101                                         block = panel.showBlock( name );
102
103                                 this.allowBlur( false );
104                                 isShowing = 1;
105
106                                 // Record from where the focus is when open panel.
107                                 this._.returnFocus = this._.editor.focusManager.hasFocus ? this._.editor : new CKEDITOR.dom.element( CKEDITOR.document.$.activeElement );
108
109
110                                 var element = this.element,
111                                         iframe = this._.iframe,
112                                         definition = this._.definition,
113                                         position = offsetParent.getDocumentPosition( element.getDocument() ),
114                                         rtl = this._.dir == 'rtl';
115
116                                 var left        = position.x + ( offsetX || 0 ),
117                                         top             = position.y + ( offsetY || 0 );
118
119                                 // Floating panels are off by (-1px, 0px) in RTL mode. (#3438)
120                                 if ( rtl && ( corner == 1 || corner == 4 ) )
121                                         left += offsetParent.$.offsetWidth;
122                                 else if ( !rtl && ( corner == 2 || corner == 3 ) )
123                                         left += offsetParent.$.offsetWidth - 1;
124
125                                 if ( corner == 3 || corner == 4 )
126                                         top += offsetParent.$.offsetHeight - 1;
127
128                                 // Memorize offsetParent by it's ID.
129                                 this._.panel._.offsetParentId = offsetParent.getId();
130
131                                 element.setStyles(
132                                         {
133                                                 top : top + 'px',
134                                                 left: 0,
135                                                 display : ''
136                                         });
137
138                                 // Don't use display or visibility style because we need to
139                                 // calculate the rendering layout later and focus the element.
140                                 element.setOpacity( 0 );
141
142                                 // To allow the context menu to decrease back their width
143                                 element.getFirst().removeStyle( 'width' );
144
145                                 // Configure the IFrame blur event. Do that only once.
146                                 if ( !this._.blurSet )
147                                 {
148                                         // Non IE prefer the event into a window object.
149                                         var focused = CKEDITOR.env.ie ? iframe : new CKEDITOR.dom.window( iframe.$.contentWindow );
150
151                                         // With addEventListener compatible browsers, we must
152                                         // useCapture when registering the focus/blur events to
153                                         // guarantee they will be firing in all situations. (#3068, #3222 )
154                                         CKEDITOR.event.useCapture = true;
155
156                                         focused.on( 'blur', function( ev )
157                                                 {
158                                                         if ( !this.allowBlur() )
159                                                                 return;
160
161                                                         // As we are using capture to register the listener,
162                                                         // the blur event may get fired even when focusing
163                                                         // inside the window itself, so we must ensure the
164                                                         // target is out of it.
165                                                         var target = ev.data.getTarget() ;
166                                                         if ( target.getName && target.getName() != 'iframe' )
167                                                                 return;
168
169                                                         if ( this.visible && !this._.activeChild && !isShowing )
170                                                         {
171                                                                 // Panel close is caused by user's navigating away the focus, e.g. click outside the panel.
172                                                                 // DO NOT restore focus in this case.
173                                                                 delete this._.returnFocus;
174                                                                 this.hide();
175                                                         }
176                                                 },
177                                                 this );
178
179                                         focused.on( 'focus', function()
180                                                 {
181                                                         this._.focused = true;
182                                                         this.hideChild();
183                                                         this.allowBlur( true );
184                                                 },
185                                                 this );
186
187                                         CKEDITOR.event.useCapture = false;
188
189                                         this._.blurSet = 1;
190                                 }
191
192                                 panel.onEscape = CKEDITOR.tools.bind( function( keystroke )
193                                         {
194                                                 if ( this.onEscape && this.onEscape( keystroke ) === false )
195                                                         return false;
196                                         },
197                                         this );
198
199                                 CKEDITOR.tools.setTimeout( function()
200                                         {
201                                                 if ( rtl )
202                                                         left -= element.$.offsetWidth;
203
204                                                 var panelLoad = CKEDITOR.tools.bind( function ()
205                                                 {
206                                                         var target = element.getFirst();
207
208                                                         if ( block.autoSize )
209                                                         {
210                                                                 // We must adjust first the width or IE6 could include extra lines in the height computation
211                                                                 var widthNode = block.element.$;
212
213                                                                 if ( CKEDITOR.env.gecko || CKEDITOR.env.opera )
214                                                                         widthNode = widthNode.parentNode;
215
216                                                                 if ( CKEDITOR.env.ie )
217                                                                         widthNode = widthNode.document.body;
218
219                                                                 var width = widthNode.scrollWidth;
220                                                                 // Account for extra height needed due to IE quirks box model bug:
221                                                                 // http://en.wikipedia.org/wiki/Internet_Explorer_box_model_bug
222                                                                 // (#3426)
223                                                                 if ( CKEDITOR.env.ie && CKEDITOR.env.quirks && width > 0 )
224                                                                         width += ( target.$.offsetWidth || 0 ) - ( target.$.clientWidth || 0 ) + 3;
225                                                                 // A little extra at the end.
226                                                                 // If not present, IE6 might break into the next line, but also it looks better this way
227                                                                 width += 4 ;
228
229                                                                 target.setStyle( 'width', width + 'px' );
230
231                                                                 // IE doesn't compute the scrollWidth if a filter is applied previously
232                                                                 block.element.addClass( 'cke_frameLoaded' );
233
234                                                                 var height = block.element.$.scrollHeight;
235
236                                                                 // Account for extra height needed due to IE quirks box model bug:
237                                                                 // http://en.wikipedia.org/wiki/Internet_Explorer_box_model_bug
238                                                                 // (#3426)
239                                                                 if ( CKEDITOR.env.ie && CKEDITOR.env.quirks && height > 0 )
240                                                                         height += ( target.$.offsetHeight || 0 ) - ( target.$.clientHeight || 0 ) + 3;
241
242                                                                 target.setStyle( 'height', height + 'px' );
243
244                                                                 // Fix IE < 8 visibility.
245                                                                 panel._.currentBlock.element.setStyle( 'display', 'none' ).removeStyle( 'display' );
246                                                         }
247                                                         else
248                                                                 target.removeStyle( 'height' );
249
250                                                         var panelElement = panel.element,
251                                                                 panelWindow = panelElement.getWindow(),
252                                                                 windowScroll = panelWindow.getScrollPosition(),
253                                                                 viewportSize = panelWindow.getViewPaneSize(),
254                                                                 panelSize =
255                                                                 {
256                                                                         'height' : panelElement.$.offsetHeight,
257                                                                         'width' : panelElement.$.offsetWidth
258                                                                 };
259
260                                                         // If the menu is horizontal off, shift it toward
261                                                         // the opposite language direction.
262                                                         if ( rtl ? left < 0 : left + panelSize.width > viewportSize.width + windowScroll.x )
263                                                                 left += ( panelSize.width * ( rtl ? 1 : -1 ) );
264
265                                                         // Vertical off screen is simpler.
266                                                         if ( top + panelSize.height > viewportSize.height + windowScroll.y )
267                                                                 top -= panelSize.height;
268
269                                                         // If IE is in RTL, we have troubles with absolute
270                                                         // position and horizontal scrolls. Here we have a
271                                                         // series of hacks to workaround it. (#6146)
272                                                         if ( CKEDITOR.env.ie )
273                                                         {
274                                                                 var offsetParent = new CKEDITOR.dom.element( element.$.offsetParent ),
275                                                                         scrollParent = offsetParent;
276
277                                                                 // Quirks returns <body>, but standards returns <html>.
278                                                                 if ( scrollParent.getName() == 'html' )
279                                                                         scrollParent = scrollParent.getDocument().getBody();
280
281                                                                 if ( scrollParent.getComputedStyle( 'direction' ) == 'rtl' )
282                                                                 {
283                                                                         // For IE8, there is not much logic on this, but it works.
284                                                                         if ( CKEDITOR.env.ie8Compat )
285                                                                                 left -= element.getDocument().getDocumentElement().$.scrollLeft * 2;
286                                                                         else
287                                                                                 left -= ( offsetParent.$.scrollWidth - offsetParent.$.clientWidth );
288                                                                 }
289                                                         }
290
291                                                         // Trigger the onHide event of the previously active panel to prevent
292                                                         // incorrect styles from being applied (#6170)
293                                                         var innerElement = element.getFirst(),
294                                                                 activePanel;
295                                                         if ( ( activePanel = innerElement.getCustomData( 'activePanel' ) ) )
296                                                                 activePanel.onHide && activePanel.onHide.call( this, 1 );
297                                                         innerElement.setCustomData( 'activePanel', this );
298
299                                                         element.setStyles(
300                                                                 {
301                                                                         top : top + 'px',
302                                                                         left : left + 'px'
303                                                                 } );
304                                                         element.setOpacity( 1 );
305                                                 } , this );
306
307                                                 panel.isLoaded ? panelLoad() : panel.onLoad = panelLoad;
308
309                                                 // Set the panel frame focus, so the blur event gets fired.
310                                                 CKEDITOR.tools.setTimeout( function()
311                                                 {
312                                                         iframe.$.contentWindow.focus();
313                                                         // We need this get fired manually because of unfired focus() function.
314                                                         this.allowBlur( true );
315                                                 }, 0, this);
316                                         },  CKEDITOR.env.air ? 200 : 0, this);
317                                 this.visible = 1;
318
319                                 if ( this.onShow )
320                                         this.onShow.call( this );
321
322                                 isShowing = 0;
323                         },
324
325                         hide : function( returnFocus )
326                         {
327                                 if ( this.visible && ( !this.onHide || this.onHide.call( this ) !== true ) )
328                                 {
329                                         this.hideChild();
330                                         // Blur previously focused element. (#6671)
331                                         CKEDITOR.env.gecko && this._.iframe.getFrameDocument().$.activeElement.blur();
332                                         this.element.setStyle( 'display', 'none' );
333                                         this.visible = 0;
334                                         this.element.getFirst().removeCustomData( 'activePanel' );
335
336                                         // Return focus properly. (#6247)
337                                         var focusReturn = returnFocus !== false && this._.returnFocus;
338                                         if ( focusReturn )
339                                         {
340                                                 // Webkit requires focus moved out panel iframe first.
341                                                 if ( CKEDITOR.env.webkit && focusReturn.type )
342                                                         focusReturn.getWindow().$.focus();
343
344                                                 focusReturn.focus();
345                                         }
346                                 }
347                         },
348
349                         allowBlur : function( allow )   // Prevent editor from hiding the panel. #3222.
350                         {
351                                 var panel = this._.panel;
352                                 if ( allow != undefined )
353                                         panel.allowBlur = allow;
354
355                                 return panel.allowBlur;
356                         },
357
358                         showAsChild : function( panel, blockName, offsetParent, corner, offsetX, offsetY )
359                         {
360                                 // Skip reshowing of child which is already visible.
361                                 if ( this._.activeChild == panel && panel._.panel._.offsetParentId == offsetParent.getId() )
362                                         return;
363
364                                 this.hideChild();
365
366                                 panel.onHide = CKEDITOR.tools.bind( function()
367                                         {
368                                                 // Use a timeout, so we give time for this menu to get
369                                                 // potentially focused.
370                                                 CKEDITOR.tools.setTimeout( function()
371                                                         {
372                                                                 if ( !this._.focused )
373                                                                         this.hide();
374                                                         },
375                                                         0, this );
376                                         },
377                                         this );
378
379                                 this._.activeChild = panel;
380                                 this._.focused = false;
381
382                                 panel.showBlock( blockName, offsetParent, corner, offsetX, offsetY );
383
384                                 /* #3767 IE: Second level menu may not have borders */
385                                 if ( CKEDITOR.env.ie7Compat || ( CKEDITOR.env.ie8 && CKEDITOR.env.ie6Compat ) )
386                                 {
387                                         setTimeout(function()
388                                                 {
389                                                         panel.element.getChild( 0 ).$.style.cssText += '';
390                                                 }, 100);
391                                 }
392                         },
393
394                         hideChild : function()
395                         {
396                                 var activeChild = this._.activeChild;
397
398                                 if ( activeChild )
399                                 {
400                                         delete activeChild.onHide;
401                                         // Sub panels don't manage focus. (#7881)
402                                         delete activeChild._.returnFocus;
403                                         delete this._.activeChild;
404                                         activeChild.hide();
405                                 }
406                         }
407                 }
408         });
409
410         CKEDITOR.on( 'instanceDestroyed', function()
411         {
412                 var isLastInstance = CKEDITOR.tools.isEmpty( CKEDITOR.instances );
413
414                 for ( var i in panels )
415                 {
416                         var panel = panels[ i ];
417                         // Safe to destroy it since there're no more instances.(#4241)
418                         if ( isLastInstance )
419                                 panel.destroy();
420                         // Panel might be used by other instances, just hide them.(#4552)
421                         else
422                                 panel.element.hide();
423                 }
424                 // Remove the registration.
425                 isLastInstance && ( panels = {} );
426
427         } );
428 })();