--- /dev/null
+/*\r
+Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.\r
+For licensing, see LICENSE.html or http://ckeditor.com/license\r
+*/\r
+\r
+/**\r
+ * @file Blockquote.\r
+ */\r
+\r
+(function()\r
+{\r
+ function getState( editor, path )\r
+ {\r
+ var firstBlock = path.block || path.blockLimit;\r
+\r
+ if ( !firstBlock || firstBlock.getName() == 'body' )\r
+ return CKEDITOR.TRISTATE_OFF;\r
+\r
+ // See if the first block has a blockquote parent.\r
+ if ( firstBlock.getAscendant( 'blockquote', true ) )\r
+ return CKEDITOR.TRISTATE_ON;\r
+\r
+ return CKEDITOR.TRISTATE_OFF;\r
+ }\r
+\r
+ function onSelectionChange( evt )\r
+ {\r
+ var editor = evt.editor;\r
+ if ( editor.readOnly )\r
+ return;\r
+\r
+ var command = editor.getCommand( 'blockquote' );\r
+ command.state = getState( editor, evt.data.path );\r
+ command.fire( 'state' );\r
+ }\r
+\r
+ function noBlockLeft( bqBlock )\r
+ {\r
+ for ( var i = 0, length = bqBlock.getChildCount(), child ; i < length && ( child = bqBlock.getChild( i ) ) ; i++ )\r
+ {\r
+ if ( child.type == CKEDITOR.NODE_ELEMENT && child.isBlockBoundary() )\r
+ return false;\r
+ }\r
+ return true;\r
+ }\r
+\r
+ var commandObject =\r
+ {\r
+ exec : function( editor )\r
+ {\r
+ var state = editor.getCommand( 'blockquote' ).state,\r
+ selection = editor.getSelection(),\r
+ range = selection && selection.getRanges( true )[0];\r
+\r
+ if ( !range )\r
+ return;\r
+\r
+ var bookmarks = selection.createBookmarks();\r
+\r
+ // Kludge for #1592: if the bookmark nodes are in the beginning of\r
+ // blockquote, then move them to the nearest block element in the\r
+ // blockquote.\r
+ if ( CKEDITOR.env.ie )\r
+ {\r
+ var bookmarkStart = bookmarks[0].startNode,\r
+ bookmarkEnd = bookmarks[0].endNode,\r
+ cursor;\r
+\r
+ if ( bookmarkStart && bookmarkStart.getParent().getName() == 'blockquote' )\r
+ {\r
+ cursor = bookmarkStart;\r
+ while ( ( cursor = cursor.getNext() ) )\r
+ {\r
+ if ( cursor.type == CKEDITOR.NODE_ELEMENT &&\r
+ cursor.isBlockBoundary() )\r
+ {\r
+ bookmarkStart.move( cursor, true );\r
+ break;\r
+ }\r
+ }\r
+ }\r
+\r
+ if ( bookmarkEnd\r
+ && bookmarkEnd.getParent().getName() == 'blockquote' )\r
+ {\r
+ cursor = bookmarkEnd;\r
+ while ( ( cursor = cursor.getPrevious() ) )\r
+ {\r
+ if ( cursor.type == CKEDITOR.NODE_ELEMENT &&\r
+ cursor.isBlockBoundary() )\r
+ {\r
+ bookmarkEnd.move( cursor );\r
+ break;\r
+ }\r
+ }\r
+ }\r
+ }\r
+\r
+ var iterator = range.createIterator(),\r
+ block;\r
+ iterator.enlargeBr = editor.config.enterMode != CKEDITOR.ENTER_BR;\r
+\r
+ if ( state == CKEDITOR.TRISTATE_OFF )\r
+ {\r
+ var paragraphs = [];\r
+ while ( ( block = iterator.getNextParagraph() ) )\r
+ paragraphs.push( block );\r
+\r
+ // If no paragraphs, create one from the current selection position.\r
+ if ( paragraphs.length < 1 )\r
+ {\r
+ var para = editor.document.createElement( editor.config.enterMode == CKEDITOR.ENTER_P ? 'p' : 'div' ),\r
+ firstBookmark = bookmarks.shift();\r
+ range.insertNode( para );\r
+ para.append( new CKEDITOR.dom.text( '\ufeff', editor.document ) );\r
+ range.moveToBookmark( firstBookmark );\r
+ range.selectNodeContents( para );\r
+ range.collapse( true );\r
+ firstBookmark = range.createBookmark();\r
+ paragraphs.push( para );\r
+ bookmarks.unshift( firstBookmark );\r
+ }\r
+\r
+ // Make sure all paragraphs have the same parent.\r
+ var commonParent = paragraphs[0].getParent(),\r
+ tmp = [];\r
+ for ( var i = 0 ; i < paragraphs.length ; i++ )\r
+ {\r
+ block = paragraphs[i];\r
+ commonParent = commonParent.getCommonAncestor( block.getParent() );\r
+ }\r
+\r
+ // The common parent must not be the following tags: table, tbody, tr, ol, ul.\r
+ var denyTags = { table : 1, tbody : 1, tr : 1, ol : 1, ul : 1 };\r
+ while ( denyTags[ commonParent.getName() ] )\r
+ commonParent = commonParent.getParent();\r
+\r
+ // Reconstruct the block list to be processed such that all resulting blocks\r
+ // satisfy parentNode.equals( commonParent ).\r
+ var lastBlock = null;\r
+ while ( paragraphs.length > 0 )\r
+ {\r
+ block = paragraphs.shift();\r
+ while ( !block.getParent().equals( commonParent ) )\r
+ block = block.getParent();\r
+ if ( !block.equals( lastBlock ) )\r
+ tmp.push( block );\r
+ lastBlock = block;\r
+ }\r
+\r
+ // If any of the selected blocks is a blockquote, remove it to prevent\r
+ // nested blockquotes.\r
+ while ( tmp.length > 0 )\r
+ {\r
+ block = tmp.shift();\r
+ if ( block.getName() == 'blockquote' )\r
+ {\r
+ var docFrag = new CKEDITOR.dom.documentFragment( editor.document );\r
+ while ( block.getFirst() )\r
+ {\r
+ docFrag.append( block.getFirst().remove() );\r
+ paragraphs.push( docFrag.getLast() );\r
+ }\r
+\r
+ docFrag.replace( block );\r
+ }\r
+ else\r
+ paragraphs.push( block );\r
+ }\r
+\r
+ // Now we have all the blocks to be included in a new blockquote node.\r
+ var bqBlock = editor.document.createElement( 'blockquote' );\r
+ bqBlock.insertBefore( paragraphs[0] );\r
+ while ( paragraphs.length > 0 )\r
+ {\r
+ block = paragraphs.shift();\r
+ bqBlock.append( block );\r
+ }\r
+ }\r
+ else if ( state == CKEDITOR.TRISTATE_ON )\r
+ {\r
+ var moveOutNodes = [],\r
+ database = {};\r
+\r
+ while ( ( block = iterator.getNextParagraph() ) )\r
+ {\r
+ var bqParent = null,\r
+ bqChild = null;\r
+ while ( block.getParent() )\r
+ {\r
+ if ( block.getParent().getName() == 'blockquote' )\r
+ {\r
+ bqParent = block.getParent();\r
+ bqChild = block;\r
+ break;\r
+ }\r
+ block = block.getParent();\r
+ }\r
+\r
+ // Remember the blocks that were recorded down in the moveOutNodes array\r
+ // to prevent duplicates.\r
+ if ( bqParent && bqChild && !bqChild.getCustomData( 'blockquote_moveout' ) )\r
+ {\r
+ moveOutNodes.push( bqChild );\r
+ CKEDITOR.dom.element.setMarker( database, bqChild, 'blockquote_moveout', true );\r
+ }\r
+ }\r
+\r
+ CKEDITOR.dom.element.clearAllMarkers( database );\r
+\r
+ var movedNodes = [],\r
+ processedBlockquoteBlocks = [];\r
+\r
+ database = {};\r
+ while ( moveOutNodes.length > 0 )\r
+ {\r
+ var node = moveOutNodes.shift();\r
+ bqBlock = node.getParent();\r
+\r
+ // If the node is located at the beginning or the end, just take it out\r
+ // without splitting. Otherwise, split the blockquote node and move the\r
+ // paragraph in between the two blockquote nodes.\r
+ if ( !node.getPrevious() )\r
+ node.remove().insertBefore( bqBlock );\r
+ else if ( !node.getNext() )\r
+ node.remove().insertAfter( bqBlock );\r
+ else\r
+ {\r
+ node.breakParent( node.getParent() );\r
+ processedBlockquoteBlocks.push( node.getNext() );\r
+ }\r
+\r
+ // Remember the blockquote node so we can clear it later (if it becomes empty).\r
+ if ( !bqBlock.getCustomData( 'blockquote_processed' ) )\r
+ {\r
+ processedBlockquoteBlocks.push( bqBlock );\r
+ CKEDITOR.dom.element.setMarker( database, bqBlock, 'blockquote_processed', true );\r
+ }\r
+\r
+ movedNodes.push( node );\r
+ }\r
+\r
+ CKEDITOR.dom.element.clearAllMarkers( database );\r
+\r
+ // Clear blockquote nodes that have become empty.\r
+ for ( i = processedBlockquoteBlocks.length - 1 ; i >= 0 ; i-- )\r
+ {\r
+ bqBlock = processedBlockquoteBlocks[i];\r
+ if ( noBlockLeft( bqBlock ) )\r
+ bqBlock.remove();\r
+ }\r
+\r
+ if ( editor.config.enterMode == CKEDITOR.ENTER_BR )\r
+ {\r
+ var firstTime = true;\r
+ while ( movedNodes.length )\r
+ {\r
+ node = movedNodes.shift();\r
+\r
+ if ( node.getName() == 'div' )\r
+ {\r
+ docFrag = new CKEDITOR.dom.documentFragment( editor.document );\r
+ var needBeginBr = firstTime && node.getPrevious() &&\r
+ !( node.getPrevious().type == CKEDITOR.NODE_ELEMENT && node.getPrevious().isBlockBoundary() );\r
+ if ( needBeginBr )\r
+ docFrag.append( editor.document.createElement( 'br' ) );\r
+\r
+ var needEndBr = node.getNext() &&\r
+ !( node.getNext().type == CKEDITOR.NODE_ELEMENT && node.getNext().isBlockBoundary() );\r
+ while ( node.getFirst() )\r
+ node.getFirst().remove().appendTo( docFrag );\r
+\r
+ if ( needEndBr )\r
+ docFrag.append( editor.document.createElement( 'br' ) );\r
+\r
+ docFrag.replace( node );\r
+ firstTime = false;\r
+ }\r
+ }\r
+ }\r
+ }\r
+\r
+ selection.selectBookmarks( bookmarks );\r
+ editor.focus();\r
+ }\r
+ };\r
+\r
+ CKEDITOR.plugins.add( 'blockquote',\r
+ {\r
+ init : function( editor )\r
+ {\r
+ editor.addCommand( 'blockquote', commandObject );\r
+\r
+ editor.ui.addButton( 'Blockquote',\r
+ {\r
+ label : editor.lang.blockquote,\r
+ command : 'blockquote'\r
+ } );\r
+\r
+ editor.on( 'selectionChange', onSelectionChange );\r
+ },\r
+\r
+ requires : [ 'domiterator' ]\r
+ } );\r
+})();\r