2 Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.
3 For licensing, see LICENSE.html or http://ckeditor.com/license
12 function getState( editor, path )
14 var firstBlock = path.block || path.blockLimit;
16 if ( !firstBlock || firstBlock.getName() == 'body' )
17 return CKEDITOR.TRISTATE_OFF;
19 // See if the first block has a blockquote parent.
20 if ( firstBlock.getAscendant( 'blockquote', true ) )
21 return CKEDITOR.TRISTATE_ON;
23 return CKEDITOR.TRISTATE_OFF;
26 function onSelectionChange( evt )
28 var editor = evt.editor;
29 if ( editor.readOnly )
32 var command = editor.getCommand( 'blockquote' );
33 command.state = getState( editor, evt.data.path );
34 command.fire( 'state' );
37 function noBlockLeft( bqBlock )
39 for ( var i = 0, length = bqBlock.getChildCount(), child ; i < length && ( child = bqBlock.getChild( i ) ) ; i++ )
41 if ( child.type == CKEDITOR.NODE_ELEMENT && child.isBlockBoundary() )
49 exec : function( editor )
51 var state = editor.getCommand( 'blockquote' ).state,
52 selection = editor.getSelection(),
53 range = selection && selection.getRanges( true )[0];
58 var bookmarks = selection.createBookmarks();
60 // Kludge for #1592: if the bookmark nodes are in the beginning of
61 // blockquote, then move them to the nearest block element in the
63 if ( CKEDITOR.env.ie )
65 var bookmarkStart = bookmarks[0].startNode,
66 bookmarkEnd = bookmarks[0].endNode,
69 if ( bookmarkStart && bookmarkStart.getParent().getName() == 'blockquote' )
71 cursor = bookmarkStart;
72 while ( ( cursor = cursor.getNext() ) )
74 if ( cursor.type == CKEDITOR.NODE_ELEMENT &&
75 cursor.isBlockBoundary() )
77 bookmarkStart.move( cursor, true );
84 && bookmarkEnd.getParent().getName() == 'blockquote' )
87 while ( ( cursor = cursor.getPrevious() ) )
89 if ( cursor.type == CKEDITOR.NODE_ELEMENT &&
90 cursor.isBlockBoundary() )
92 bookmarkEnd.move( cursor );
99 var iterator = range.createIterator(),
101 iterator.enlargeBr = editor.config.enterMode != CKEDITOR.ENTER_BR;
103 if ( state == CKEDITOR.TRISTATE_OFF )
106 while ( ( block = iterator.getNextParagraph() ) )
107 paragraphs.push( block );
109 // If no paragraphs, create one from the current selection position.
110 if ( paragraphs.length < 1 )
112 var para = editor.document.createElement( editor.config.enterMode == CKEDITOR.ENTER_P ? 'p' : 'div' ),
113 firstBookmark = bookmarks.shift();
114 range.insertNode( para );
115 para.append( new CKEDITOR.dom.text( '\ufeff', editor.document ) );
116 range.moveToBookmark( firstBookmark );
117 range.selectNodeContents( para );
118 range.collapse( true );
119 firstBookmark = range.createBookmark();
120 paragraphs.push( para );
121 bookmarks.unshift( firstBookmark );
124 // Make sure all paragraphs have the same parent.
125 var commonParent = paragraphs[0].getParent(),
127 for ( var i = 0 ; i < paragraphs.length ; i++ )
129 block = paragraphs[i];
130 commonParent = commonParent.getCommonAncestor( block.getParent() );
133 // The common parent must not be the following tags: table, tbody, tr, ol, ul.
134 var denyTags = { table : 1, tbody : 1, tr : 1, ol : 1, ul : 1 };
135 while ( denyTags[ commonParent.getName() ] )
136 commonParent = commonParent.getParent();
138 // Reconstruct the block list to be processed such that all resulting blocks
139 // satisfy parentNode.equals( commonParent ).
140 var lastBlock = null;
141 while ( paragraphs.length > 0 )
143 block = paragraphs.shift();
144 while ( !block.getParent().equals( commonParent ) )
145 block = block.getParent();
146 if ( !block.equals( lastBlock ) )
151 // If any of the selected blocks is a blockquote, remove it to prevent
152 // nested blockquotes.
153 while ( tmp.length > 0 )
156 if ( block.getName() == 'blockquote' )
158 var docFrag = new CKEDITOR.dom.documentFragment( editor.document );
159 while ( block.getFirst() )
161 docFrag.append( block.getFirst().remove() );
162 paragraphs.push( docFrag.getLast() );
165 docFrag.replace( block );
168 paragraphs.push( block );
171 // Now we have all the blocks to be included in a new blockquote node.
172 var bqBlock = editor.document.createElement( 'blockquote' );
173 bqBlock.insertBefore( paragraphs[0] );
174 while ( paragraphs.length > 0 )
176 block = paragraphs.shift();
177 bqBlock.append( block );
180 else if ( state == CKEDITOR.TRISTATE_ON )
182 var moveOutNodes = [],
185 while ( ( block = iterator.getNextParagraph() ) )
189 while ( block.getParent() )
191 if ( block.getParent().getName() == 'blockquote' )
193 bqParent = block.getParent();
197 block = block.getParent();
200 // Remember the blocks that were recorded down in the moveOutNodes array
201 // to prevent duplicates.
202 if ( bqParent && bqChild && !bqChild.getCustomData( 'blockquote_moveout' ) )
204 moveOutNodes.push( bqChild );
205 CKEDITOR.dom.element.setMarker( database, bqChild, 'blockquote_moveout', true );
209 CKEDITOR.dom.element.clearAllMarkers( database );
212 processedBlockquoteBlocks = [];
215 while ( moveOutNodes.length > 0 )
217 var node = moveOutNodes.shift();
218 bqBlock = node.getParent();
220 // If the node is located at the beginning or the end, just take it out
221 // without splitting. Otherwise, split the blockquote node and move the
222 // paragraph in between the two blockquote nodes.
223 if ( !node.getPrevious() )
224 node.remove().insertBefore( bqBlock );
225 else if ( !node.getNext() )
226 node.remove().insertAfter( bqBlock );
229 node.breakParent( node.getParent() );
230 processedBlockquoteBlocks.push( node.getNext() );
233 // Remember the blockquote node so we can clear it later (if it becomes empty).
234 if ( !bqBlock.getCustomData( 'blockquote_processed' ) )
236 processedBlockquoteBlocks.push( bqBlock );
237 CKEDITOR.dom.element.setMarker( database, bqBlock, 'blockquote_processed', true );
240 movedNodes.push( node );
243 CKEDITOR.dom.element.clearAllMarkers( database );
245 // Clear blockquote nodes that have become empty.
246 for ( i = processedBlockquoteBlocks.length - 1 ; i >= 0 ; i-- )
248 bqBlock = processedBlockquoteBlocks[i];
249 if ( noBlockLeft( bqBlock ) )
253 if ( editor.config.enterMode == CKEDITOR.ENTER_BR )
255 var firstTime = true;
256 while ( movedNodes.length )
258 node = movedNodes.shift();
260 if ( node.getName() == 'div' )
262 docFrag = new CKEDITOR.dom.documentFragment( editor.document );
263 var needBeginBr = firstTime && node.getPrevious() &&
264 !( node.getPrevious().type == CKEDITOR.NODE_ELEMENT && node.getPrevious().isBlockBoundary() );
266 docFrag.append( editor.document.createElement( 'br' ) );
268 var needEndBr = node.getNext() &&
269 !( node.getNext().type == CKEDITOR.NODE_ELEMENT && node.getNext().isBlockBoundary() );
270 while ( node.getFirst() )
271 node.getFirst().remove().appendTo( docFrag );
274 docFrag.append( editor.document.createElement( 'br' ) );
276 docFrag.replace( node );
283 selection.selectBookmarks( bookmarks );
288 CKEDITOR.plugins.add( 'blockquote',
290 init : function( editor )
292 editor.addCommand( 'blockquote', commandObject );
294 editor.ui.addButton( 'Blockquote',
296 label : editor.lang.blockquote,
297 command : 'blockquote'
300 editor.on( 'selectionChange', onSelectionChange );
303 requires : [ 'domiterator' ]