1 | /* |
---|
2 | * FCKeditor - The text editor for Internet - http://www.fckeditor.net |
---|
3 | * Copyright (C) 2003-2007 Frederico Caldeira Knabben |
---|
4 | * |
---|
5 | * == BEGIN LICENSE == |
---|
6 | * |
---|
7 | * Licensed under the terms of any of the following licenses at your |
---|
8 | * choice: |
---|
9 | * |
---|
10 | * - GNU General Public License Version 2 or later (the "GPL") |
---|
11 | * http://www.gnu.org/licenses/gpl.html |
---|
12 | * |
---|
13 | * - GNU Lesser General Public License Version 2.1 or later (the "LGPL") |
---|
14 | * http://www.gnu.org/licenses/lgpl.html |
---|
15 | * |
---|
16 | * - Mozilla Public License Version 1.1 or later (the "MPL") |
---|
17 | * http://www.mozilla.org/MPL/MPL-1.1.html |
---|
18 | * |
---|
19 | * == END LICENSE == |
---|
20 | * |
---|
21 | * Manage table operations. |
---|
22 | */ |
---|
23 | |
---|
24 | var FCKTableHandler = new Object() ; |
---|
25 | |
---|
26 | FCKTableHandler.InsertRow = function() |
---|
27 | { |
---|
28 | // Get the row where the selection is placed in. |
---|
29 | var oRow = FCKSelection.MoveToAncestorNode( 'TR' ) ; |
---|
30 | if ( !oRow ) return ; |
---|
31 | |
---|
32 | // Create a clone of the row. |
---|
33 | var oNewRow = oRow.cloneNode( true ) ; |
---|
34 | |
---|
35 | // Insert the new row (copy) before of it. |
---|
36 | oRow.parentNode.insertBefore( oNewRow, oRow ) ; |
---|
37 | |
---|
38 | // Clean the row (it seems that the new row has been added after it). |
---|
39 | FCKTableHandler.ClearRow( oRow ) ; |
---|
40 | } |
---|
41 | |
---|
42 | FCKTableHandler.DeleteRows = function( row ) |
---|
43 | { |
---|
44 | // If no row has been passed as a parameter, |
---|
45 | // then get the row where the selection is placed in. |
---|
46 | if ( !row ) |
---|
47 | row = FCKSelection.MoveToAncestorNode( 'TR' ) ; |
---|
48 | if ( !row ) return ; |
---|
49 | |
---|
50 | // Get the row's table. |
---|
51 | var oTable = FCKTools.GetElementAscensor( row, 'TABLE' ) ; |
---|
52 | |
---|
53 | // If just one row is available then delete the entire table. |
---|
54 | if ( oTable.rows.length == 1 ) |
---|
55 | { |
---|
56 | FCKTableHandler.DeleteTable( oTable ) ; |
---|
57 | return ; |
---|
58 | } |
---|
59 | |
---|
60 | // Delete the row. |
---|
61 | row.parentNode.removeChild( row ) ; |
---|
62 | } |
---|
63 | |
---|
64 | FCKTableHandler.DeleteTable = function( table ) |
---|
65 | { |
---|
66 | // If no table has been passed as a parameer, |
---|
67 | // then get the table where the selection is placed in. |
---|
68 | if ( !table ) |
---|
69 | { |
---|
70 | table = FCKSelection.GetSelectedElement() ; |
---|
71 | if ( !table || table.tagName != 'TABLE' ) |
---|
72 | table = FCKSelection.MoveToAncestorNode( 'TABLE' ) ; |
---|
73 | } |
---|
74 | if ( !table ) return ; |
---|
75 | |
---|
76 | // Delete the table. |
---|
77 | FCKSelection.SelectNode( table ) ; |
---|
78 | FCKSelection.Collapse(); |
---|
79 | table.parentNode.removeChild( table ) ; |
---|
80 | } |
---|
81 | |
---|
82 | FCKTableHandler.InsertColumn = function() |
---|
83 | { |
---|
84 | // Get the cell where the selection is placed in. |
---|
85 | var oCell = FCKSelection.MoveToAncestorNode('TD') || FCKSelection.MoveToAncestorNode('TH') ; |
---|
86 | |
---|
87 | if ( !oCell ) return ; |
---|
88 | |
---|
89 | // Get the cell's table. |
---|
90 | var oTable = FCKTools.GetElementAscensor( oCell, 'TABLE' ) ; |
---|
91 | |
---|
92 | // Get the index of the column to be created (based on the cell). |
---|
93 | var iIndex = oCell.cellIndex + 1 ; |
---|
94 | |
---|
95 | // Loop throw all rows available in the table. |
---|
96 | for ( var i = 0 ; i < oTable.rows.length ; i++ ) |
---|
97 | { |
---|
98 | // Get the row. |
---|
99 | var oRow = oTable.rows[i] ; |
---|
100 | |
---|
101 | // If the row doens't have enought cells, ignore it. |
---|
102 | if ( oRow.cells.length < iIndex ) |
---|
103 | continue ; |
---|
104 | |
---|
105 | oCell = oRow.cells[iIndex-1].cloneNode(false) ; |
---|
106 | |
---|
107 | if ( FCKBrowserInfo.IsGecko ) |
---|
108 | oCell.innerHTML = GECKO_BOGUS ; |
---|
109 | |
---|
110 | // Get the cell that is placed in the new cell place. |
---|
111 | var oBaseCell = oRow.cells[iIndex] ; |
---|
112 | |
---|
113 | // If the cell is available (we are not in the last cell of the row). |
---|
114 | if ( oBaseCell ) |
---|
115 | oRow.insertBefore( oCell, oBaseCell ) ; // Insert the new cell just before of it. |
---|
116 | else |
---|
117 | oRow.appendChild( oCell ) ; // Append the cell at the end of the row. |
---|
118 | } |
---|
119 | } |
---|
120 | |
---|
121 | FCKTableHandler.DeleteColumns = function() |
---|
122 | { |
---|
123 | // Get the cell where the selection is placed in. |
---|
124 | var oCell = FCKSelection.MoveToAncestorNode('TD') || FCKSelection.MoveToAncestorNode('TH') ; |
---|
125 | |
---|
126 | if ( !oCell ) return ; |
---|
127 | |
---|
128 | // Get the cell's table. |
---|
129 | var oTable = FCKTools.GetElementAscensor( oCell, 'TABLE' ) ; |
---|
130 | |
---|
131 | // Get the cell index. |
---|
132 | var iIndex = oCell.cellIndex ; |
---|
133 | |
---|
134 | // Loop throw all rows (from down to up, because it's possible that some |
---|
135 | // rows will be deleted). |
---|
136 | for ( var i = oTable.rows.length - 1 ; i >= 0 ; i-- ) |
---|
137 | { |
---|
138 | // Get the row. |
---|
139 | var oRow = oTable.rows[i] ; |
---|
140 | |
---|
141 | // If the cell to be removed is the first one and the row has just one cell. |
---|
142 | if ( iIndex == 0 && oRow.cells.length == 1 ) |
---|
143 | { |
---|
144 | // Remove the entire row. |
---|
145 | FCKTableHandler.DeleteRows( oRow ) ; |
---|
146 | continue ; |
---|
147 | } |
---|
148 | |
---|
149 | // If the cell to be removed exists the delete it. |
---|
150 | if ( oRow.cells[iIndex] ) |
---|
151 | oRow.removeChild( oRow.cells[iIndex] ) ; |
---|
152 | } |
---|
153 | } |
---|
154 | |
---|
155 | FCKTableHandler.InsertCell = function( cell ) |
---|
156 | { |
---|
157 | // Get the cell where the selection is placed in. |
---|
158 | var oCell = cell ? cell : FCKSelection.MoveToAncestorNode( 'TD' ) ; |
---|
159 | if ( !oCell ) return null ; |
---|
160 | |
---|
161 | // Create the new cell element to be added. |
---|
162 | var oNewCell = FCK.EditorDocument.createElement( 'TD' ) ; |
---|
163 | if ( FCKBrowserInfo.IsGecko ) |
---|
164 | oNewCell.innerHTML = GECKO_BOGUS ; |
---|
165 | // oNewCell.innerHTML = " " ; |
---|
166 | |
---|
167 | // If it is the last cell in the row. |
---|
168 | if ( oCell.cellIndex == oCell.parentNode.cells.length - 1 ) |
---|
169 | { |
---|
170 | // Add the new cell at the end of the row. |
---|
171 | oCell.parentNode.appendChild( oNewCell ) ; |
---|
172 | } |
---|
173 | else |
---|
174 | { |
---|
175 | // Add the new cell before the next cell (after the active one). |
---|
176 | oCell.parentNode.insertBefore( oNewCell, oCell.nextSibling ) ; |
---|
177 | } |
---|
178 | |
---|
179 | return oNewCell ; |
---|
180 | } |
---|
181 | |
---|
182 | FCKTableHandler.DeleteCell = function( cell ) |
---|
183 | { |
---|
184 | // If this is the last cell in the row. |
---|
185 | if ( cell.parentNode.cells.length == 1 ) |
---|
186 | { |
---|
187 | // Delete the entire row. |
---|
188 | FCKTableHandler.DeleteRows( FCKTools.GetElementAscensor( cell, 'TR' ) ) ; |
---|
189 | return ; |
---|
190 | } |
---|
191 | |
---|
192 | // Delete the cell from the row. |
---|
193 | cell.parentNode.removeChild( cell ) ; |
---|
194 | } |
---|
195 | |
---|
196 | FCKTableHandler.DeleteCells = function() |
---|
197 | { |
---|
198 | var aCells = FCKTableHandler.GetSelectedCells() ; |
---|
199 | |
---|
200 | for ( var i = aCells.length - 1 ; i >= 0 ; i-- ) |
---|
201 | { |
---|
202 | FCKTableHandler.DeleteCell( aCells[i] ) ; |
---|
203 | } |
---|
204 | } |
---|
205 | |
---|
206 | FCKTableHandler.MergeCells = function() |
---|
207 | { |
---|
208 | // Get all selected cells. |
---|
209 | var aCells = FCKTableHandler.GetSelectedCells() ; |
---|
210 | |
---|
211 | // At least 2 cells must be selected. |
---|
212 | if ( aCells.length < 2 ) |
---|
213 | return ; |
---|
214 | |
---|
215 | // The merge can occour only if the selected cells are from the same row. |
---|
216 | if ( aCells[0].parentNode != aCells[aCells.length-1].parentNode ) |
---|
217 | return ; |
---|
218 | |
---|
219 | // Calculate the new colSpan for the first cell. |
---|
220 | var iColSpan = isNaN( aCells[0].colSpan ) ? 1 : aCells[0].colSpan ; |
---|
221 | |
---|
222 | var sHtml = '' ; |
---|
223 | var oCellsContents = FCK.EditorDocument.createDocumentFragment() ; |
---|
224 | |
---|
225 | for ( var i = aCells.length - 1 ; i >= 0 ; i-- ) |
---|
226 | { |
---|
227 | var eCell = aCells[i] ; |
---|
228 | |
---|
229 | // Move its contents to the document fragment. |
---|
230 | for ( var c = eCell.childNodes.length - 1 ; c >= 0 ; c-- ) |
---|
231 | { |
---|
232 | var eChild = eCell.removeChild( eCell.childNodes[c] ) ; |
---|
233 | |
---|
234 | if ( ( eChild.hasAttribute && eChild.hasAttribute('_moz_editor_bogus_node') ) || ( eChild.getAttribute && eChild.getAttribute( 'type', 2 ) == '_moz' ) ) |
---|
235 | continue ; |
---|
236 | |
---|
237 | oCellsContents.insertBefore( eChild, oCellsContents.firstChild ) ; |
---|
238 | } |
---|
239 | |
---|
240 | if ( i > 0 ) |
---|
241 | { |
---|
242 | // Accumulate the colspan of the cell. |
---|
243 | iColSpan += isNaN( eCell.colSpan ) ? 1 : eCell.colSpan ; |
---|
244 | |
---|
245 | // Delete the cell. |
---|
246 | FCKTableHandler.DeleteCell( eCell ) ; |
---|
247 | } |
---|
248 | } |
---|
249 | |
---|
250 | // Set the innerHTML of the remaining cell (the first one). |
---|
251 | aCells[0].colSpan = iColSpan ; |
---|
252 | |
---|
253 | if ( FCKBrowserInfo.IsGecko && oCellsContents.childNodes.length == 0 ) |
---|
254 | aCells[0].innerHTML = GECKO_BOGUS ; |
---|
255 | else |
---|
256 | aCells[0].appendChild( oCellsContents ) ; |
---|
257 | } |
---|
258 | |
---|
259 | FCKTableHandler.SplitCell = function() |
---|
260 | { |
---|
261 | // Check that just one cell is selected, otherwise return. |
---|
262 | var aCells = FCKTableHandler.GetSelectedCells() ; |
---|
263 | if ( aCells.length != 1 ) |
---|
264 | return ; |
---|
265 | |
---|
266 | var aMap = this._CreateTableMap( aCells[0].parentNode.parentNode ) ; |
---|
267 | var iCellIndex = FCKTableHandler._GetCellIndexSpan( aMap, aCells[0].parentNode.rowIndex , aCells[0] ) ; |
---|
268 | |
---|
269 | var aCollCells = this._GetCollumnCells( aMap, iCellIndex ) ; |
---|
270 | |
---|
271 | for ( var i = 0 ; i < aCollCells.length ; i++ ) |
---|
272 | { |
---|
273 | if ( aCollCells[i] == aCells[0] ) |
---|
274 | { |
---|
275 | var oNewCell = this.InsertCell( aCells[0] ) ; |
---|
276 | if ( !isNaN( aCells[0].rowSpan ) && aCells[0].rowSpan > 1 ) |
---|
277 | oNewCell.rowSpan = aCells[0].rowSpan ; |
---|
278 | } |
---|
279 | else |
---|
280 | { |
---|
281 | if ( isNaN( aCollCells[i].colSpan ) ) |
---|
282 | aCollCells[i].colSpan = 2 ; |
---|
283 | else |
---|
284 | aCollCells[i].colSpan += 1 ; |
---|
285 | } |
---|
286 | } |
---|
287 | } |
---|
288 | |
---|
289 | // Get the cell index from a TableMap. |
---|
290 | FCKTableHandler._GetCellIndexSpan = function( tableMap, rowIndex, cell ) |
---|
291 | { |
---|
292 | if ( tableMap.length < rowIndex + 1 ) |
---|
293 | return null ; |
---|
294 | |
---|
295 | var oRow = tableMap[ rowIndex ] ; |
---|
296 | |
---|
297 | for ( var c = 0 ; c < oRow.length ; c++ ) |
---|
298 | { |
---|
299 | if ( oRow[c] == cell ) |
---|
300 | return c ; |
---|
301 | } |
---|
302 | |
---|
303 | return null ; |
---|
304 | } |
---|
305 | |
---|
306 | // Get the cells available in a collumn of a TableMap. |
---|
307 | FCKTableHandler._GetCollumnCells = function( tableMap, collumnIndex ) |
---|
308 | { |
---|
309 | var aCollCells = new Array() ; |
---|
310 | |
---|
311 | for ( var r = 0 ; r < tableMap.length ; r++ ) |
---|
312 | { |
---|
313 | var oCell = tableMap[r][collumnIndex] ; |
---|
314 | if ( oCell && ( aCollCells.length == 0 || aCollCells[ aCollCells.length - 1 ] != oCell ) ) |
---|
315 | aCollCells[ aCollCells.length ] = oCell ; |
---|
316 | } |
---|
317 | |
---|
318 | return aCollCells ; |
---|
319 | } |
---|
320 | |
---|
321 | // This function is quite hard to explain. It creates a matrix representing all cells in a table. |
---|
322 | // The difference here is that the "spanned" cells (colSpan and rowSpan) are duplicated on the matrix |
---|
323 | // cells that are "spanned". For example, a row with 3 cells where the second cell has colSpan=2 and rowSpan=3 |
---|
324 | // will produce a bi-dimensional matrix with the following values (representing the cells): |
---|
325 | // Cell1, Cell2, Cell2, Cell 3 |
---|
326 | // Cell4, Cell2, Cell2, Cell 5 |
---|
327 | FCKTableHandler._CreateTableMap = function( table ) |
---|
328 | { |
---|
329 | var aRows = table.rows ; |
---|
330 | |
---|
331 | // Row and Collumn counters. |
---|
332 | var r = -1 ; |
---|
333 | |
---|
334 | var aMap = new Array() ; |
---|
335 | |
---|
336 | for ( var i = 0 ; i < aRows.length ; i++ ) |
---|
337 | { |
---|
338 | r++ ; |
---|
339 | if ( !aMap[r] ) |
---|
340 | aMap[r] = new Array() ; |
---|
341 | |
---|
342 | var c = -1 ; |
---|
343 | |
---|
344 | for ( var j = 0 ; j < aRows[i].cells.length ; j++ ) |
---|
345 | { |
---|
346 | var oCell = aRows[i].cells[j] ; |
---|
347 | |
---|
348 | c++ ; |
---|
349 | while ( aMap[r][c] ) |
---|
350 | c++ ; |
---|
351 | |
---|
352 | var iColSpan = isNaN( oCell.colSpan ) ? 1 : oCell.colSpan ; |
---|
353 | var iRowSpan = isNaN( oCell.rowSpan ) ? 1 : oCell.rowSpan ; |
---|
354 | |
---|
355 | for ( var rs = 0 ; rs < iRowSpan ; rs++ ) |
---|
356 | { |
---|
357 | if ( !aMap[r + rs] ) |
---|
358 | aMap[r + rs] = new Array() ; |
---|
359 | |
---|
360 | for ( var cs = 0 ; cs < iColSpan ; cs++ ) |
---|
361 | { |
---|
362 | aMap[r + rs][c + cs] = aRows[i].cells[j] ; |
---|
363 | } |
---|
364 | } |
---|
365 | |
---|
366 | c += iColSpan - 1 ; |
---|
367 | } |
---|
368 | } |
---|
369 | return aMap ; |
---|
370 | } |
---|
371 | |
---|
372 | FCKTableHandler.ClearRow = function( tr ) |
---|
373 | { |
---|
374 | // Get the array of row's cells. |
---|
375 | var aCells = tr.cells ; |
---|
376 | |
---|
377 | // Replace the contents of each cell with "nothing". |
---|
378 | for ( var i = 0 ; i < aCells.length ; i++ ) |
---|
379 | { |
---|
380 | if ( FCKBrowserInfo.IsGecko ) |
---|
381 | aCells[i].innerHTML = GECKO_BOGUS ; |
---|
382 | else |
---|
383 | aCells[i].innerHTML = '' ; |
---|
384 | } |
---|
385 | } |
---|