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vanilla ckeditor-3.2.2
[ckeditor.git] / _source / plugins / tabletools / plugin.js
1 /*\r
2 Copyright (c) 2003-2010, CKSource - Frederico Knabben. All rights reserved.\r
3 For licensing, see LICENSE.html or http://ckeditor.com/license\r
4 */\r
5 \r
6 (function()\r
7 {\r
8         function removeRawAttribute( $node, attr )\r
9         {\r
10                 if ( CKEDITOR.env.ie )\r
11                         $node.removeAttribute( attr );\r
12                 else\r
13                         delete $node[ attr ];\r
14         }\r
15 \r
16         var cellNodeRegex = /^(?:td|th)$/;\r
17 \r
18         function getSelectedCells( selection )\r
19         {\r
20                 // Walker will try to split text nodes, which will make the current selection\r
21                 // invalid. So save bookmarks before doing anything.\r
22                 var bookmarks = selection.createBookmarks();\r
23 \r
24                 var ranges = selection.getRanges();\r
25                 var retval = [];\r
26                 var database = {};\r
27 \r
28                 function moveOutOfCellGuard( node )\r
29                 {\r
30                         // Apply to the first cell only.\r
31                         if ( retval.length > 0 )\r
32                                 return;\r
33 \r
34                         // If we are exiting from the first </td>, then the td should definitely be\r
35                         // included.\r
36                         if ( node.type == CKEDITOR.NODE_ELEMENT && cellNodeRegex.test( node.getName() )\r
37                                         && !node.getCustomData( 'selected_cell' ) )\r
38                         {\r
39                                 CKEDITOR.dom.element.setMarker( database, node, 'selected_cell', true );\r
40                                 retval.push( node );\r
41                         }\r
42                 }\r
43 \r
44                 for ( var i = 0 ; i < ranges.length ; i++ )\r
45                 {\r
46                         var range = ranges[ i ];\r
47 \r
48                         if ( range.collapsed )\r
49                         {\r
50                                 // Walker does not handle collapsed ranges yet - fall back to old API.\r
51                                 var startNode = range.getCommonAncestor();\r
52                                 var nearestCell = startNode.getAscendant( 'td', true ) || startNode.getAscendant( 'th', true );\r
53                                 if ( nearestCell )\r
54                                         retval.push( nearestCell );\r
55                         }\r
56                         else\r
57                         {\r
58                                 var walker = new CKEDITOR.dom.walker( range );\r
59                                 var node;\r
60                                 walker.guard = moveOutOfCellGuard;\r
61 \r
62                                 while ( ( node = walker.next() ) )\r
63                                 {\r
64                                         // If may be possible for us to have a range like this:\r
65                                         // <td>^1</td><td>^2</td>\r
66                                         // The 2nd td shouldn't be included.\r
67                                         //\r
68                                         // So we have to take care to include a td we've entered only when we've\r
69                                         // walked into its children.\r
70 \r
71                                         var parent = node.getParent();\r
72                                         if ( parent && cellNodeRegex.test( parent.getName() ) && !parent.getCustomData( 'selected_cell' ) )\r
73                                         {\r
74                                                 CKEDITOR.dom.element.setMarker( database, parent, 'selected_cell', true );\r
75                                                 retval.push( parent );\r
76                                         }\r
77                                 }\r
78                         }\r
79                 }\r
80 \r
81                 CKEDITOR.dom.element.clearAllMarkers( database );\r
82 \r
83                 // Restore selection position.\r
84                 selection.selectBookmarks( bookmarks );\r
85 \r
86                 return retval;\r
87         }\r
88 \r
89         function getFocusElementAfterDelCells( cellsToDelete ) {\r
90                 var i = 0,\r
91                         last = cellsToDelete.length - 1,\r
92                         database = {},\r
93                         cell,focusedCell,\r
94                         tr;\r
95 \r
96                 while ( ( cell = cellsToDelete[ i++ ] ) )\r
97                         CKEDITOR.dom.element.setMarker( database, cell, 'delete_cell', true );\r
98 \r
99                 // 1.first we check left or right side focusable cell row by row;\r
100                 i = 0;\r
101                 while ( ( cell = cellsToDelete[ i++ ] ) )\r
102                 {\r
103                         if ( ( focusedCell = cell.getPrevious() ) && !focusedCell.getCustomData( 'delete_cell' )\r
104                           || ( focusedCell = cell.getNext()     ) && !focusedCell.getCustomData( 'delete_cell' ) )\r
105                         {\r
106                                 CKEDITOR.dom.element.clearAllMarkers( database );\r
107                                 return focusedCell;\r
108                         }\r
109                 }\r
110 \r
111                 CKEDITOR.dom.element.clearAllMarkers( database );\r
112 \r
113                 // 2. then we check the toppest row (outside the selection area square) focusable cell\r
114                 tr = cellsToDelete[ 0 ].getParent();\r
115                 if ( ( tr = tr.getPrevious() ) )\r
116                         return tr.getLast();\r
117 \r
118                 // 3. last we check the lowerest  row focusable cell\r
119                 tr = cellsToDelete[ last ].getParent();\r
120                 if ( ( tr = tr.getNext() ) )\r
121                         return tr.getChild( 0 );\r
122 \r
123                 return null;\r
124         }\r
125 \r
126         function clearRow( $tr )\r
127         {\r
128                 // Get the array of row's cells.\r
129                 var $cells = $tr.cells;\r
130 \r
131                 // Empty all cells.\r
132                 for ( var i = 0 ; i < $cells.length ; i++ )\r
133                 {\r
134                         $cells[ i ].innerHTML = '';\r
135 \r
136                         if ( !CKEDITOR.env.ie )\r
137                                 ( new CKEDITOR.dom.element( $cells[ i ] ) ).appendBogus();\r
138                 }\r
139         }\r
140 \r
141         function insertRow( selection, insertBefore )\r
142         {\r
143                 // Get the row where the selection is placed in.\r
144                 var row = selection.getStartElement().getAscendant( 'tr' );\r
145                 if ( !row )\r
146                         return;\r
147 \r
148                 // Create a clone of the row.\r
149                 var newRow = row.clone( true );\r
150 \r
151                 // Insert the new row before of it.\r
152                 newRow.insertBefore( row );\r
153 \r
154                 // Clean one of the rows to produce the illusion of inserting an empty row\r
155                 // before or after.\r
156                 clearRow( insertBefore ? newRow.$ : row.$ );\r
157         }\r
158 \r
159         function deleteRows( selectionOrRow )\r
160         {\r
161                 if ( selectionOrRow instanceof CKEDITOR.dom.selection )\r
162                 {\r
163                         var cells = getSelectedCells( selectionOrRow ),\r
164                                 cellsCount = cells.length,\r
165                                 rowsToDelete = [],\r
166                                 cursorPosition,\r
167                                 previousRowIndex,\r
168                                 nextRowIndex;\r
169 \r
170                         // Queue up the rows - it's possible and likely that we have duplicates.\r
171                         for ( var i = 0 ; i < cellsCount ; i++ )\r
172                         {\r
173                                 var row = cells[ i ].getParent(),\r
174                                                 rowIndex = row.$.rowIndex;\r
175 \r
176                                 !i && ( previousRowIndex = rowIndex - 1 );\r
177                                 rowsToDelete[ rowIndex ] = row;\r
178                                 i == cellsCount - 1 && ( nextRowIndex = rowIndex + 1 );\r
179                         }\r
180 \r
181                         var table = row.getAscendant( 'table' ),\r
182                                         rows =  table.$.rows,\r
183                                         rowCount = rows.length;\r
184 \r
185                         // Where to put the cursor after rows been deleted?\r
186                         // 1. Into next sibling row if any;\r
187                         // 2. Into previous sibling row if any;\r
188                         // 3. Into table's parent element if it's the very last row.\r
189                         cursorPosition = new CKEDITOR.dom.element(\r
190                                 nextRowIndex < rowCount && table.$.rows[ nextRowIndex ] ||\r
191                                 previousRowIndex > 0 && table.$.rows[ previousRowIndex ] ||\r
192                                 table.$.parentNode );\r
193 \r
194                         for ( i = rowsToDelete.length ; i >= 0 ; i-- )\r
195                         {\r
196                                 if ( rowsToDelete[ i ] )\r
197                                         deleteRows( rowsToDelete[ i ] );\r
198                         }\r
199 \r
200                         return cursorPosition;\r
201                 }\r
202                 else if ( selectionOrRow instanceof CKEDITOR.dom.element )\r
203                 {\r
204                         table = selectionOrRow.getAscendant( 'table' );\r
205 \r
206                         if ( table.$.rows.length == 1 )\r
207                                 table.remove();\r
208                         else\r
209                                 selectionOrRow.remove();\r
210                 }\r
211 \r
212                 return 0;\r
213         }\r
214 \r
215         function insertColumn( selection, insertBefore )\r
216         {\r
217                 // Get the cell where the selection is placed in.\r
218                 var startElement = selection.getStartElement();\r
219                 var cell = startElement.getAscendant( 'td', true ) || startElement.getAscendant( 'th', true );\r
220 \r
221                 if ( !cell )\r
222                         return;\r
223 \r
224                 // Get the cell's table.\r
225                 var table = cell.getAscendant( 'table' );\r
226                 var cellIndex = cell.$.cellIndex;\r
227 \r
228                 // Loop through all rows available in the table.\r
229                 for ( var i = 0 ; i < table.$.rows.length ; i++ )\r
230                 {\r
231                         var $row = table.$.rows[ i ];\r
232 \r
233                         // If the row doesn't have enough cells, ignore it.\r
234                         if ( $row.cells.length < ( cellIndex + 1 ) )\r
235                                 continue;\r
236 \r
237                         cell = new CKEDITOR.dom.element( $row.cells[ cellIndex ].cloneNode( false ) );\r
238 \r
239                         if ( !CKEDITOR.env.ie )\r
240                                 cell.appendBogus();\r
241 \r
242                         // Get back the currently selected cell.\r
243                         var baseCell = new CKEDITOR.dom.element( $row.cells[ cellIndex ] );\r
244                         if ( insertBefore )\r
245                                 cell.insertBefore( baseCell );\r
246                         else\r
247                                 cell.insertAfter( baseCell );\r
248                 }\r
249         }\r
250 \r
251         function getFocusElementAfterDelCols( cells )\r
252         {\r
253                 var cellIndexList = [],\r
254                         table = cells[ 0 ] && cells[ 0 ].getAscendant( 'table' ),\r
255                         i, length,\r
256                         targetIndex, targetCell;\r
257 \r
258                 // get the cellIndex list of delete cells\r
259                 for ( i = 0, length = cells.length; i < length; i++ )\r
260                         cellIndexList.push( cells[i].$.cellIndex );\r
261 \r
262                 // get the focusable column index\r
263                 cellIndexList.sort();\r
264                 for ( i = 1, length = cellIndexList.length; i < length; i++ )\r
265                 {\r
266                         if ( cellIndexList[ i ] - cellIndexList[ i - 1 ] > 1 )\r
267                         {\r
268                                 targetIndex = cellIndexList[ i - 1 ] + 1;\r
269                                 break;\r
270                         }\r
271                 }\r
272 \r
273                 if ( !targetIndex )\r
274                         targetIndex = cellIndexList[ 0 ] > 0 ? ( cellIndexList[ 0 ] - 1 )\r
275                                                         : ( cellIndexList[ cellIndexList.length - 1 ] + 1 );\r
276 \r
277                 // scan row by row to get the target cell\r
278                 var rows = table.$.rows;\r
279                 for ( i = 0, length = rows.length; i < length ; i++ )\r
280                 {\r
281                         targetCell = rows[ i ].cells[ targetIndex ];\r
282                         if ( targetCell )\r
283                                 break;\r
284                 }\r
285 \r
286                 return targetCell ?  new CKEDITOR.dom.element( targetCell ) :  table.getPrevious();\r
287         }\r
288 \r
289         function deleteColumns( selectionOrCell )\r
290         {\r
291                 if ( selectionOrCell instanceof CKEDITOR.dom.selection )\r
292                 {\r
293                         var colsToDelete = getSelectedCells( selectionOrCell ),\r
294                                 elementToFocus = getFocusElementAfterDelCols( colsToDelete );\r
295 \r
296                         for ( var i = colsToDelete.length - 1 ; i >= 0 ; i-- )\r
297                         {\r
298                                 if ( colsToDelete[ i ] )\r
299                                         deleteColumns( colsToDelete[ i ] );\r
300                         }\r
301 \r
302                         return elementToFocus;\r
303                 }\r
304                 else if ( selectionOrCell instanceof CKEDITOR.dom.element )\r
305                 {\r
306                         // Get the cell's table.\r
307                         var table = selectionOrCell.getAscendant( 'table' );\r
308                         if ( !table )\r
309                                 return null;\r
310 \r
311                         // Get the cell index.\r
312                         var cellIndex = selectionOrCell.$.cellIndex;\r
313 \r
314                         /*\r
315                          * Loop through all rows from down to up, coz it's possible that some rows\r
316                          * will be deleted.\r
317                          */\r
318                         for ( i = table.$.rows.length - 1 ; i >= 0 ; i-- )\r
319                         {\r
320                                 // Get the row.\r
321                                 var row = new CKEDITOR.dom.element( table.$.rows[ i ] );\r
322 \r
323                                 // If the cell to be removed is the first one and the row has just one cell.\r
324                                 if ( !cellIndex && row.$.cells.length == 1 )\r
325                                 {\r
326                                         deleteRows( row );\r
327                                         continue;\r
328                                 }\r
329 \r
330                                 // Else, just delete the cell.\r
331                                 if ( row.$.cells[ cellIndex ] )\r
332                                         row.$.removeChild( row.$.cells[ cellIndex ] );\r
333                         }\r
334                 }\r
335 \r
336                 return null;\r
337         }\r
338 \r
339         function insertCell( selection, insertBefore )\r
340         {\r
341                 var startElement = selection.getStartElement();\r
342                 var cell = startElement.getAscendant( 'td', true ) || startElement.getAscendant( 'th', true );\r
343 \r
344                 if ( !cell )\r
345                         return;\r
346 \r
347                 // Create the new cell element to be added.\r
348                 var newCell = cell.clone();\r
349                 if ( !CKEDITOR.env.ie )\r
350                         newCell.appendBogus();\r
351 \r
352                 if ( insertBefore )\r
353                         newCell.insertBefore( cell );\r
354                 else\r
355                         newCell.insertAfter( cell );\r
356         }\r
357 \r
358         function deleteCells( selectionOrCell )\r
359         {\r
360                 if ( selectionOrCell instanceof CKEDITOR.dom.selection )\r
361                 {\r
362                         var cellsToDelete = getSelectedCells( selectionOrCell );\r
363                         var table = cellsToDelete[ 0 ] && cellsToDelete[ 0 ].getAscendant( 'table' );\r
364                         var cellToFocus   = getFocusElementAfterDelCells( cellsToDelete );\r
365 \r
366                         for ( var i = cellsToDelete.length - 1 ; i >= 0 ; i-- )\r
367                                 deleteCells( cellsToDelete[ i ] );\r
368 \r
369                         if ( cellToFocus )\r
370                                 placeCursorInCell( cellToFocus, true );\r
371                         else if ( table )\r
372                                 table.remove();\r
373                 }\r
374                 else if ( selectionOrCell instanceof CKEDITOR.dom.element )\r
375                 {\r
376                         var tr = selectionOrCell.getParent();\r
377                         if ( tr.getChildCount() == 1 )\r
378                                 tr.remove();\r
379                         else\r
380                                 selectionOrCell.remove();\r
381                 }\r
382         }\r
383 \r
384         // Remove filler at end and empty spaces around the cell content.\r
385         function trimCell( cell )\r
386         {\r
387                 var bogus = cell.getBogus();\r
388                 bogus && bogus.remove();\r
389                 cell.trim();\r
390         }\r
391 \r
392         function placeCursorInCell( cell, placeAtEnd )\r
393         {\r
394                 var range = new CKEDITOR.dom.range( cell.getDocument() );\r
395                 if ( !range[ 'moveToElementEdit' + ( placeAtEnd ? 'End' : 'Start' ) ]( cell ) )\r
396                 {\r
397                         range.selectNodeContents( cell );\r
398                         range.collapse( placeAtEnd ? false : true );\r
399                 }\r
400                 range.select( true );\r
401         }\r
402 \r
403         function buildTableMap( table )\r
404         {\r
405 \r
406                 var aRows = table.$.rows ;\r
407 \r
408                 // Row and Column counters.\r
409                 var r = -1 ;\r
410 \r
411                 var aMap = [];\r
412 \r
413                 for ( var i = 0 ; i < aRows.length ; i++ )\r
414                 {\r
415                         r++ ;\r
416                         !aMap[r] && ( aMap[r] = [] );\r
417 \r
418                         var c = -1 ;\r
419 \r
420                         for ( var j = 0 ; j < aRows[i].cells.length ; j++ )\r
421                         {\r
422                                 var oCell = aRows[i].cells[j] ;\r
423 \r
424                                 c++ ;\r
425                                 while ( aMap[r][c] )\r
426                                         c++ ;\r
427 \r
428                                 var iColSpan = isNaN( oCell.colSpan ) ? 1 : oCell.colSpan ;\r
429                                 var iRowSpan = isNaN( oCell.rowSpan ) ? 1 : oCell.rowSpan ;\r
430 \r
431                                 for ( var rs = 0 ; rs < iRowSpan ; rs++ )\r
432                                 {\r
433                                         if ( !aMap[r + rs] )\r
434                                                 aMap[r + rs] = new Array() ;\r
435 \r
436                                         for ( var cs = 0 ; cs < iColSpan ; cs++ )\r
437                                         {\r
438                                                 aMap[r + rs][c + cs] = aRows[i].cells[j] ;\r
439                                         }\r
440                                 }\r
441 \r
442                                 c += iColSpan - 1 ;\r
443                         }\r
444                 }\r
445                 return aMap ;\r
446         }\r
447 \r
448         function cellInRow( tableMap, rowIndex, cell )\r
449         {\r
450                 var oRow = tableMap[ rowIndex ];\r
451                 if ( typeof cell == 'undefined' )\r
452                         return oRow;\r
453 \r
454                 for ( var c = 0 ; oRow && c < oRow.length ; c++ )\r
455                 {\r
456                         if ( cell.is && oRow[c] == cell.$ )\r
457                                 return c;\r
458                         else if ( c == cell )\r
459                                 return new CKEDITOR.dom.element( oRow[ c ] );\r
460                 }\r
461                 return cell.is ? -1 : null;\r
462         }\r
463 \r
464         function cellInCol( tableMap, colIndex, cell )\r
465         {\r
466                 var oCol = [];\r
467                 for ( var r = 0; r < tableMap.length; r++ )\r
468                 {\r
469                         var row = tableMap[ r ];\r
470                         if ( typeof cell == 'undefined' )\r
471                                 oCol.push( row[ colIndex ] );\r
472                         else if ( cell.is && row[ colIndex ] == cell.$ )\r
473                                 return r;\r
474                         else if ( r == cell )\r
475                                 return new CKEDITOR.dom.element( row[ colIndex ] );\r
476                 }\r
477 \r
478                 return ( typeof cell == 'undefined' )? oCol : cell.is ? -1 :  null;\r
479         }\r
480 \r
481         function mergeCells( selection, mergeDirection, isDetect )\r
482         {\r
483                 var cells = getSelectedCells( selection );\r
484 \r
485                 // Invalid merge request if:\r
486                 // 1. In batch mode despite that less than two selected.\r
487                 // 2. In solo mode while not exactly only one selected.\r
488                 // 3. Cells distributed in different table groups (e.g. from both thead and tbody).\r
489                 var commonAncestor;\r
490                 if ( ( mergeDirection ? cells.length != 1 : cells.length < 2 )\r
491                                 || ( commonAncestor = selection.getCommonAncestor() )\r
492                                 && commonAncestor.type == CKEDITOR.NODE_ELEMENT\r
493                                 && commonAncestor.is( 'table' ) )\r
494                 {\r
495                         return false;\r
496                 }\r
497 \r
498                 var     cell,\r
499                         firstCell = cells[ 0 ],\r
500                         table = firstCell.getAscendant( 'table' ),\r
501                         map = buildTableMap( table ),\r
502                         mapHeight = map.length,\r
503                         mapWidth = map[ 0 ].length,\r
504                         startRow = firstCell.getParent().$.rowIndex,\r
505                         startColumn = cellInRow( map, startRow, firstCell );\r
506 \r
507                 if ( mergeDirection )\r
508                 {\r
509                         var targetCell;\r
510                         try\r
511                         {\r
512                                 targetCell =\r
513                                         map[ mergeDirection == 'up' ?\r
514                                                         ( startRow - 1 ):\r
515                                                         mergeDirection == 'down' ? ( startRow + 1 ) : startRow  ] [\r
516                                                  mergeDirection == 'left' ?\r
517                                                         ( startColumn - 1 ):\r
518                                                  mergeDirection == 'right' ?  ( startColumn + 1 ) : startColumn ];\r
519 \r
520                         }\r
521                         catch( er )\r
522                         {\r
523                                 return false;\r
524                         }\r
525 \r
526                         // 1. No cell could be merged.\r
527                         // 2. Same cell actually.\r
528                         if ( !targetCell || firstCell.$ == targetCell  )\r
529                                 return false;\r
530 \r
531                         // Sort in map order regardless of the DOM sequence.\r
532                         cells[ ( mergeDirection == 'up' || mergeDirection == 'left' ) ?\r
533                                  'unshift' : 'push' ]( new CKEDITOR.dom.element( targetCell ) );\r
534                 }\r
535 \r
536                 // Start from here are merging way ignorance (merge up/right, batch merge).\r
537                 var     doc = firstCell.getDocument(),\r
538                         lastRowIndex = startRow,\r
539                         totalRowSpan = 0,\r
540                         totalColSpan = 0,\r
541                         // Use a documentFragment as buffer when appending cell contents.\r
542                         frag = !isDetect && new CKEDITOR.dom.documentFragment( doc ),\r
543                         dimension = 0;\r
544 \r
545                 for ( var i = 0; i < cells.length; i++ )\r
546                 {\r
547                         cell = cells[ i ];\r
548 \r
549                         var tr = cell.getParent(),\r
550                                 cellFirstChild = cell.getFirst(),\r
551                                 colSpan = cell.$.colSpan,\r
552                                 rowSpan = cell.$.rowSpan,\r
553                                 rowIndex = tr.$.rowIndex,\r
554                                 colIndex = cellInRow( map, rowIndex, cell );\r
555 \r
556                         // Accumulated the actual places taken by all selected cells.\r
557                         dimension += colSpan * rowSpan;\r
558                         // Accumulated the maximum virtual spans from column and row.\r
559                         totalColSpan = Math.max( totalColSpan, colIndex - startColumn + colSpan ) ;\r
560                         totalRowSpan = Math.max( totalRowSpan, rowIndex - startRow + rowSpan );\r
561 \r
562                         if ( !isDetect )\r
563                         {\r
564                                 // Trim all cell fillers and check to remove empty cells.\r
565                                 if ( trimCell( cell ), cell.getChildren().count() )\r
566                                 {\r
567                                         // Merge vertically cells as two separated paragraphs.\r
568                                         if ( rowIndex != lastRowIndex\r
569                                                 && cellFirstChild\r
570                                                 && !( cellFirstChild.isBlockBoundary\r
571                                                           && cellFirstChild.isBlockBoundary( { br : 1 } ) ) )\r
572                                         {\r
573                                                 var last = frag.getLast( CKEDITOR.dom.walker.whitespaces( true ) );\r
574                                                 if ( last && !( last.is && last.is( 'br' ) ) )\r
575                                                         frag.append( new CKEDITOR.dom.element( 'br' ) );\r
576                                         }\r
577 \r
578                                         cell.moveChildren( frag );\r
579                                 }\r
580                                 i ? cell.remove() : cell.setHtml( '' );\r
581                         }\r
582                         lastRowIndex = rowIndex;\r
583                 }\r
584 \r
585                 if ( !isDetect )\r
586                 {\r
587                         frag.moveChildren( firstCell );\r
588 \r
589                         if ( !CKEDITOR.env.ie )\r
590                                 firstCell.appendBogus();\r
591 \r
592                         if ( totalColSpan >= mapWidth )\r
593                                 firstCell.removeAttribute( 'rowSpan' );\r
594                         else\r
595                                 firstCell.$.rowSpan = totalRowSpan;\r
596 \r
597                         if ( totalRowSpan >= mapHeight )\r
598                                 firstCell.removeAttribute( 'colSpan' );\r
599                         else\r
600                                 firstCell.$.colSpan = totalColSpan;\r
601 \r
602                         // Swip empty <tr> left at the end of table due to the merging.\r
603                         var trs = new CKEDITOR.dom.nodeList( table.$.rows ),\r
604                                 count = trs.count();\r
605 \r
606                         for ( i = count - 1; i >= 0; i-- )\r
607                         {\r
608                                 var tailTr = trs.getItem( i );\r
609                                 if ( !tailTr.$.cells.length )\r
610                                 {\r
611                                         tailTr.remove();\r
612                                         count++;\r
613                                         continue;\r
614                                 }\r
615                         }\r
616 \r
617                         return firstCell;\r
618                 }\r
619                 // Be able to merge cells only if actual dimension of selected\r
620                 // cells equals to the caculated rectangle.\r
621                 else\r
622                         return ( totalRowSpan * totalColSpan ) == dimension;\r
623         }\r
624 \r
625         function verticalSplitCell ( selection, isDetect )\r
626         {\r
627                 var cells = getSelectedCells( selection );\r
628                 if ( cells.length > 1 )\r
629                         return false;\r
630                 else if ( isDetect )\r
631                         return true;\r
632 \r
633                 var cell = cells[ 0 ],\r
634                         tr = cell.getParent(),\r
635                         table = tr.getAscendant( 'table' ),\r
636                         map = buildTableMap( table ),\r
637                         rowIndex = tr.$.rowIndex,\r
638                         colIndex = cellInRow( map, rowIndex, cell ),\r
639                         rowSpan = cell.$.rowSpan,\r
640                         newCell,\r
641                         newRowSpan,\r
642                         newCellRowSpan,\r
643                         newRowIndex;\r
644 \r
645                 if ( rowSpan > 1 )\r
646                 {\r
647                         newRowSpan = Math.ceil( rowSpan / 2 );\r
648                         newCellRowSpan = Math.floor( rowSpan / 2 );\r
649                         newRowIndex = rowIndex + newRowSpan;\r
650                         var newCellTr = new CKEDITOR.dom.element( table.$.rows[ newRowIndex ] ),\r
651                                 newCellRow = cellInRow( map, newRowIndex ),\r
652                                 candidateCell;\r
653 \r
654                         newCell = cell.clone();\r
655 \r
656                         // Figure out where to insert the new cell by checking the vitual row.\r
657                         for ( var c = 0; c < newCellRow.length; c++ )\r
658                         {\r
659                                 candidateCell = newCellRow[ c ];\r
660                                 // Catch first cell actually following the column.\r
661                                 if ( candidateCell.parentNode == newCellTr.$\r
662                                         && c > colIndex )\r
663                                 {\r
664                                         newCell.insertBefore( new CKEDITOR.dom.element( candidateCell ) );\r
665                                         break;\r
666                                 }\r
667                                 else\r
668                                         candidateCell = null;\r
669                         }\r
670 \r
671                         // The destination row is empty, append at will.\r
672                         if ( !candidateCell )\r
673                                 newCellTr.append( newCell, true );\r
674                 }\r
675                 else\r
676                 {\r
677                         newCellRowSpan = newRowSpan = 1;\r
678 \r
679                         newCellTr = tr.clone();\r
680                         newCellTr.insertAfter( tr );\r
681                         newCellTr.append( newCell = cell.clone() );\r
682 \r
683                         var cellsInSameRow = cellInRow( map, rowIndex );\r
684                         for ( var i = 0; i < cellsInSameRow.length; i++ )\r
685                                 cellsInSameRow[ i ].rowSpan++;\r
686                 }\r
687 \r
688                 if ( !CKEDITOR.env.ie )\r
689                         newCell.appendBogus();\r
690 \r
691                 cell.$.rowSpan = newRowSpan;\r
692                 newCell.$.rowSpan = newCellRowSpan;\r
693                 if ( newRowSpan == 1 )\r
694                         cell.removeAttribute( 'rowSpan' );\r
695                 if ( newCellRowSpan == 1 )\r
696                         newCell.removeAttribute( 'rowSpan' );\r
697 \r
698                 return newCell;\r
699         }\r
700 \r
701         function horizontalSplitCell( selection, isDetect )\r
702         {\r
703                 var cells = getSelectedCells( selection );\r
704                 if ( cells.length > 1 )\r
705                         return false;\r
706                 else if ( isDetect )\r
707                         return true;\r
708 \r
709                 var cell = cells[ 0 ],\r
710                         tr = cell.getParent(),\r
711                         table = tr.getAscendant( 'table' ),\r
712                         map = buildTableMap( table ),\r
713                         rowIndex = tr.$.rowIndex,\r
714                         colIndex = cellInRow( map, rowIndex, cell ),\r
715                         colSpan = cell.$.colSpan,\r
716                         newCell,\r
717                         newColSpan,\r
718                         newCellColSpan;\r
719 \r
720                 if ( colSpan > 1 )\r
721                 {\r
722                         newColSpan = Math.ceil( colSpan / 2 );\r
723                         newCellColSpan = Math.floor( colSpan / 2 );\r
724                 }\r
725                 else\r
726                 {\r
727                         newCellColSpan = newColSpan = 1;\r
728                         var cellsInSameCol = cellInCol( map, colIndex );\r
729                         for ( var i = 0; i < cellsInSameCol.length; i++ )\r
730                                 cellsInSameCol[ i ].colSpan++;\r
731                 }\r
732                 newCell = cell.clone();\r
733                 newCell.insertAfter( cell );\r
734                 if ( !CKEDITOR.env.ie )\r
735                         newCell.appendBogus();\r
736 \r
737                 cell.$.colSpan = newColSpan;\r
738                 newCell.$.colSpan = newCellColSpan;\r
739                 if ( newColSpan == 1 )\r
740                         cell.removeAttribute( 'colSpan' );\r
741                 if ( newCellColSpan == 1 )\r
742                         newCell.removeAttribute( 'colSpan' );\r
743 \r
744                 return newCell;\r
745         }\r
746         // Context menu on table caption incorrect (#3834)\r
747         var contextMenuTags = { thead : 1, tbody : 1, tfoot : 1, td : 1, tr : 1, th : 1 };\r
748 \r
749         CKEDITOR.plugins.tabletools =\r
750         {\r
751                 init : function( editor )\r
752                 {\r
753                         var lang = editor.lang.table;\r
754 \r
755                         editor.addCommand( 'cellProperties', new CKEDITOR.dialogCommand( 'cellProperties' ) );\r
756                         CKEDITOR.dialog.add( 'cellProperties', this.path + 'dialogs/tableCell.js' );\r
757 \r
758                         editor.addCommand( 'tableDelete',\r
759                                 {\r
760                                         exec : function( editor )\r
761                                         {\r
762                                                 var selection = editor.getSelection();\r
763                                                 var startElement = selection && selection.getStartElement();\r
764                                                 var table = startElement && startElement.getAscendant( 'table', true );\r
765 \r
766                                                 if ( !table )\r
767                                                         return;\r
768 \r
769                                                 // Maintain the selection point at where the table was deleted.\r
770                                                 selection.selectElement( table );\r
771                                                 var range = selection.getRanges()[0];\r
772                                                 range.collapse();\r
773                                                 selection.selectRanges( [ range ] );\r
774 \r
775                                                 // If the table's parent has only one child, remove it,except body,as well.( #5416 )\r
776                                                 var parent = table.getParent();\r
777                                                 if ( parent.getChildCount() == 1 && parent.getName() != 'body' )\r
778                                                         parent.remove();\r
779                                                 else\r
780                                                         table.remove();\r
781                                         }\r
782                                 } );\r
783 \r
784                         editor.addCommand( 'rowDelete',\r
785                                 {\r
786                                         exec : function( editor )\r
787                                         {\r
788                                                 var selection = editor.getSelection();\r
789                                                 placeCursorInCell( deleteRows( selection ) );\r
790                                         }\r
791                                 } );\r
792 \r
793                         editor.addCommand( 'rowInsertBefore',\r
794                                 {\r
795                                         exec : function( editor )\r
796                                         {\r
797                                                 var selection = editor.getSelection();\r
798                                                 insertRow( selection, true );\r
799                                         }\r
800                                 } );\r
801 \r
802                         editor.addCommand( 'rowInsertAfter',\r
803                                 {\r
804                                         exec : function( editor )\r
805                                         {\r
806                                                 var selection = editor.getSelection();\r
807                                                 insertRow( selection );\r
808                                         }\r
809                                 } );\r
810 \r
811                         editor.addCommand( 'columnDelete',\r
812                                 {\r
813                                         exec : function( editor )\r
814                                         {\r
815                                                 var selection = editor.getSelection();\r
816                                                 var element = deleteColumns( selection );\r
817                                                 element &&  placeCursorInCell( element, true );\r
818                                         }\r
819                                 } );\r
820 \r
821                         editor.addCommand( 'columnInsertBefore',\r
822                                 {\r
823                                         exec : function( editor )\r
824                                         {\r
825                                                 var selection = editor.getSelection();\r
826                                                 insertColumn( selection, true );\r
827                                         }\r
828                                 } );\r
829 \r
830                         editor.addCommand( 'columnInsertAfter',\r
831                                 {\r
832                                         exec : function( editor )\r
833                                         {\r
834                                                 var selection = editor.getSelection();\r
835                                                 insertColumn( selection );\r
836                                         }\r
837                                 } );\r
838 \r
839                         editor.addCommand( 'cellDelete',\r
840                                 {\r
841                                         exec : function( editor )\r
842                                         {\r
843                                                 var selection = editor.getSelection();\r
844                                                 deleteCells( selection );\r
845                                         }\r
846                                 } );\r
847 \r
848                         editor.addCommand( 'cellMerge',\r
849                                 {\r
850                                         exec : function( editor )\r
851                                         {\r
852                                                 placeCursorInCell( mergeCells( editor.getSelection() ), true );\r
853                                         }\r
854                                 } );\r
855 \r
856                         editor.addCommand( 'cellMergeRight',\r
857                                 {\r
858                                         exec : function( editor )\r
859                                         {\r
860                                                 placeCursorInCell( mergeCells( editor.getSelection(), 'right' ), true );\r
861                                         }\r
862                                 } );\r
863 \r
864                         editor.addCommand( 'cellMergeDown',\r
865                                 {\r
866                                         exec : function( editor )\r
867                                         {\r
868                                                 placeCursorInCell( mergeCells( editor.getSelection(), 'down' ), true );\r
869                                         }\r
870                                 } );\r
871 \r
872                         editor.addCommand( 'cellVerticalSplit',\r
873                                 {\r
874                                         exec : function( editor )\r
875                                         {\r
876                                                 placeCursorInCell( verticalSplitCell( editor.getSelection() ) );\r
877                                         }\r
878                                 } );\r
879 \r
880                         editor.addCommand( 'cellHorizontalSplit',\r
881                                 {\r
882                                         exec : function( editor )\r
883                                         {\r
884                                                 placeCursorInCell( horizontalSplitCell( editor.getSelection() ) );\r
885                                         }\r
886                                 } );\r
887 \r
888                         editor.addCommand( 'cellInsertBefore',\r
889                                 {\r
890                                         exec : function( editor )\r
891                                         {\r
892                                                 var selection = editor.getSelection();\r
893                                                 insertCell( selection, true );\r
894                                         }\r
895                                 } );\r
896 \r
897                         editor.addCommand( 'cellInsertAfter',\r
898                                 {\r
899                                         exec : function( editor )\r
900                                         {\r
901                                                 var selection = editor.getSelection();\r
902                                                 insertCell( selection );\r
903                                         }\r
904                                 } );\r
905 \r
906                         // If the "menu" plugin is loaded, register the menu items.\r
907                         if ( editor.addMenuItems )\r
908                         {\r
909                                 editor.addMenuItems(\r
910                                         {\r
911                                                 tablecell :\r
912                                                 {\r
913                                                         label : lang.cell.menu,\r
914                                                         group : 'tablecell',\r
915                                                         order : 1,\r
916                                                         getItems : function()\r
917                                                         {\r
918                                                                 var selection = editor.getSelection(),\r
919                                                                         cells = getSelectedCells( selection );\r
920                                                                 return {\r
921                                                                         tablecell_insertBefore : CKEDITOR.TRISTATE_OFF,\r
922                                                                         tablecell_insertAfter : CKEDITOR.TRISTATE_OFF,\r
923                                                                         tablecell_delete : CKEDITOR.TRISTATE_OFF,\r
924                                                                         tablecell_merge : mergeCells( selection, null, true ) ? CKEDITOR.TRISTATE_OFF : CKEDITOR.TRISTATE_DISABLED,\r
925                                                                         tablecell_merge_right : mergeCells( selection, 'right', true ) ? CKEDITOR.TRISTATE_OFF : CKEDITOR.TRISTATE_DISABLED,\r
926                                                                         tablecell_merge_down : mergeCells( selection, 'down', true ) ? CKEDITOR.TRISTATE_OFF : CKEDITOR.TRISTATE_DISABLED,\r
927                                                                         tablecell_split_vertical : verticalSplitCell( selection, true ) ? CKEDITOR.TRISTATE_OFF : CKEDITOR.TRISTATE_DISABLED,\r
928                                                                         tablecell_split_horizontal : horizontalSplitCell( selection, true ) ? CKEDITOR.TRISTATE_OFF : CKEDITOR.TRISTATE_DISABLED,\r
929                                                                         tablecell_properties : cells.length > 0 ? CKEDITOR.TRISTATE_OFF : CKEDITOR.TRISTATE_DISABLED\r
930                                                                 };\r
931                                                         }\r
932                                                 },\r
933 \r
934                                                 tablecell_insertBefore :\r
935                                                 {\r
936                                                         label : lang.cell.insertBefore,\r
937                                                         group : 'tablecell',\r
938                                                         command : 'cellInsertBefore',\r
939                                                         order : 5\r
940                                                 },\r
941 \r
942                                                 tablecell_insertAfter :\r
943                                                 {\r
944                                                         label : lang.cell.insertAfter,\r
945                                                         group : 'tablecell',\r
946                                                         command : 'cellInsertAfter',\r
947                                                         order : 10\r
948                                                 },\r
949 \r
950                                                 tablecell_delete :\r
951                                                 {\r
952                                                         label : lang.cell.deleteCell,\r
953                                                         group : 'tablecell',\r
954                                                         command : 'cellDelete',\r
955                                                         order : 15\r
956                                                 },\r
957 \r
958                                                 tablecell_merge :\r
959                                                 {\r
960                                                         label : lang.cell.merge,\r
961                                                         group : 'tablecell',\r
962                                                         command : 'cellMerge',\r
963                                                         order : 16\r
964                                                 },\r
965 \r
966                                                 tablecell_merge_right :\r
967                                                 {\r
968                                                         label : lang.cell.mergeRight,\r
969                                                         group : 'tablecell',\r
970                                                         command : 'cellMergeRight',\r
971                                                         order : 17\r
972                                                 },\r
973 \r
974                                                 tablecell_merge_down :\r
975                                                 {\r
976                                                         label : lang.cell.mergeDown,\r
977                                                         group : 'tablecell',\r
978                                                         command : 'cellMergeDown',\r
979                                                         order : 18\r
980                                                 },\r
981 \r
982                                                 tablecell_split_horizontal :\r
983                                                 {\r
984                                                         label : lang.cell.splitHorizontal,\r
985                                                         group : 'tablecell',\r
986                                                         command : 'cellHorizontalSplit',\r
987                                                         order : 19\r
988                                                 },\r
989 \r
990                                                 tablecell_split_vertical :\r
991                                                 {\r
992                                                         label : lang.cell.splitVertical,\r
993                                                         group : 'tablecell',\r
994                                                         command : 'cellVerticalSplit',\r
995                                                         order : 20\r
996                                                 },\r
997 \r
998                                                 tablecell_properties :\r
999                                                 {\r
1000                                                         label : lang.cell.title,\r
1001                                                         group : 'tablecellproperties',\r
1002                                                         command : 'cellProperties',\r
1003                                                         order : 21\r
1004                                                 },\r
1005 \r
1006                                                 tablerow :\r
1007                                                 {\r
1008                                                         label : lang.row.menu,\r
1009                                                         group : 'tablerow',\r
1010                                                         order : 1,\r
1011                                                         getItems : function()\r
1012                                                         {\r
1013                                                                 return {\r
1014                                                                         tablerow_insertBefore : CKEDITOR.TRISTATE_OFF,\r
1015                                                                         tablerow_insertAfter : CKEDITOR.TRISTATE_OFF,\r
1016                                                                         tablerow_delete : CKEDITOR.TRISTATE_OFF\r
1017                                                                 };\r
1018                                                         }\r
1019                                                 },\r
1020 \r
1021                                                 tablerow_insertBefore :\r
1022                                                 {\r
1023                                                         label : lang.row.insertBefore,\r
1024                                                         group : 'tablerow',\r
1025                                                         command : 'rowInsertBefore',\r
1026                                                         order : 5\r
1027                                                 },\r
1028 \r
1029                                                 tablerow_insertAfter :\r
1030                                                 {\r
1031                                                         label : lang.row.insertAfter,\r
1032                                                         group : 'tablerow',\r
1033                                                         command : 'rowInsertAfter',\r
1034                                                         order : 10\r
1035                                                 },\r
1036 \r
1037                                                 tablerow_delete :\r
1038                                                 {\r
1039                                                         label : lang.row.deleteRow,\r
1040                                                         group : 'tablerow',\r
1041                                                         command : 'rowDelete',\r
1042                                                         order : 15\r
1043                                                 },\r
1044 \r
1045                                                 tablecolumn :\r
1046                                                 {\r
1047                                                         label : lang.column.menu,\r
1048                                                         group : 'tablecolumn',\r
1049                                                         order : 1,\r
1050                                                         getItems : function()\r
1051                                                         {\r
1052                                                                 return {\r
1053                                                                         tablecolumn_insertBefore : CKEDITOR.TRISTATE_OFF,\r
1054                                                                         tablecolumn_insertAfter : CKEDITOR.TRISTATE_OFF,\r
1055                                                                         tablecolumn_delete : CKEDITOR.TRISTATE_OFF\r
1056                                                                 };\r
1057                                                         }\r
1058                                                 },\r
1059 \r
1060                                                 tablecolumn_insertBefore :\r
1061                                                 {\r
1062                                                         label : lang.column.insertBefore,\r
1063                                                         group : 'tablecolumn',\r
1064                                                         command : 'columnInsertBefore',\r
1065                                                         order : 5\r
1066                                                 },\r
1067 \r
1068                                                 tablecolumn_insertAfter :\r
1069                                                 {\r
1070                                                         label : lang.column.insertAfter,\r
1071                                                         group : 'tablecolumn',\r
1072                                                         command : 'columnInsertAfter',\r
1073                                                         order : 10\r
1074                                                 },\r
1075 \r
1076                                                 tablecolumn_delete :\r
1077                                                 {\r
1078                                                         label : lang.column.deleteColumn,\r
1079                                                         group : 'tablecolumn',\r
1080                                                         command : 'columnDelete',\r
1081                                                         order : 15\r
1082                                                 }\r
1083                                         });\r
1084                         }\r
1085 \r
1086                         // If the "contextmenu" plugin is laoded, register the listeners.\r
1087                         if ( editor.contextMenu )\r
1088                         {\r
1089                                 editor.contextMenu.addListener( function( element, selection )\r
1090                                         {\r
1091                                                 if ( !element )\r
1092                                                         return null;\r
1093 \r
1094                                                 while ( element )\r
1095                                                 {\r
1096                                                         if ( element.getName() in contextMenuTags )\r
1097                                                         {\r
1098                                                                 return {\r
1099                                                                         tablecell : CKEDITOR.TRISTATE_OFF,\r
1100                                                                         tablerow : CKEDITOR.TRISTATE_OFF,\r
1101                                                                         tablecolumn : CKEDITOR.TRISTATE_OFF\r
1102                                                                 };\r
1103                                                         }\r
1104                                                         element = element.getParent();\r
1105                                                 }\r
1106 \r
1107                                                 return null;\r
1108                                         } );\r
1109                         }\r
1110                 },\r
1111 \r
1112                 getSelectedCells : getSelectedCells\r
1113 \r
1114         };\r
1115         CKEDITOR.plugins.add( 'tabletools', CKEDITOR.plugins.tabletools );\r
1116 })();\r