+++ /dev/null
-/*\r
-Copyright (c) 2003-2013, CKSource - Frederico Knabben. All rights reserved.\r
-For licensing, see LICENSE.html or http://ckeditor.com/license\r
-*/\r
-\r
-/**\r
- * @file DOM iterator, which iterates over list items, lines and paragraphs.\r
- */\r
-\r
-CKEDITOR.plugins.add( 'domiterator' );\r
-\r
-(function()\r
-{\r
- /**\r
- * @name CKEDITOR.dom.iterator\r
- */\r
- function iterator( range )\r
- {\r
- if ( arguments.length < 1 )\r
- return;\r
-\r
- this.range = range;\r
- this.forceBrBreak = 0;\r
-\r
- // Whether include <br>s into the enlarged range.(#3730).\r
- this.enlargeBr = 1;\r
- this.enforceRealBlocks = 0;\r
-\r
- this._ || ( this._ = {} );\r
- }\r
-\r
- var beginWhitespaceRegex = /^[\r\n\t ]+$/,\r
- // Ignore bookmark nodes.(#3783)\r
- bookmarkGuard = CKEDITOR.dom.walker.bookmark( false, true ),\r
- whitespacesGuard = CKEDITOR.dom.walker.whitespaces( true ),\r
- skipGuard = function( node ) { return bookmarkGuard( node ) && whitespacesGuard( node ); };\r
-\r
- // Get a reference for the next element, bookmark nodes are skipped.\r
- function getNextSourceNode( node, startFromSibling, lastNode )\r
- {\r
- var next = node.getNextSourceNode( startFromSibling, null, lastNode );\r
- while ( !bookmarkGuard( next ) )\r
- next = next.getNextSourceNode( startFromSibling, null, lastNode );\r
- return next;\r
- }\r
-\r
- iterator.prototype = {\r
- getNextParagraph : function( blockTag )\r
- {\r
- // The block element to be returned.\r
- var block;\r
-\r
- // The range object used to identify the paragraph contents.\r
- var range;\r
-\r
- // Indicats that the current element in the loop is the last one.\r
- var isLast;\r
-\r
- // Indicate at least one of the range boundaries is inside a preformat block.\r
- var touchPre;\r
-\r
- // Instructs to cleanup remaining BRs.\r
- var removePreviousBr, removeLastBr;\r
-\r
- // This is the first iteration. Let's initialize it.\r
- if ( !this._.started )\r
- {\r
- range = this.range.clone();\r
-\r
- // Shrink the range to exclude harmful "noises" (#4087, #4450, #5435).\r
- range.shrink( CKEDITOR.NODE_ELEMENT, true );\r
-\r
- touchPre = range.endContainer.hasAscendant( 'pre', true )\r
- || range.startContainer.hasAscendant( 'pre', true );\r
-\r
- range.enlarge( this.forceBrBreak && !touchPre || !this.enlargeBr ?\r
- CKEDITOR.ENLARGE_LIST_ITEM_CONTENTS : CKEDITOR.ENLARGE_BLOCK_CONTENTS );\r
-\r
- if ( !range.collapsed )\r
- {\r
- var walker = new CKEDITOR.dom.walker( range.clone() ),\r
- ignoreBookmarkTextEvaluator = CKEDITOR.dom.walker.bookmark( true, true );\r
- // Avoid anchor inside bookmark inner text.\r
- walker.evaluator = ignoreBookmarkTextEvaluator;\r
- this._.nextNode = walker.next();\r
- // TODO: It's better to have walker.reset() used here.\r
- walker = new CKEDITOR.dom.walker( range.clone() );\r
- walker.evaluator = ignoreBookmarkTextEvaluator;\r
- var lastNode = walker.previous();\r
- this._.lastNode = lastNode.getNextSourceNode( true );\r
-\r
- // We may have an empty text node at the end of block due to [3770].\r
- // If that node is the lastNode, it would cause our logic to leak to the\r
- // next block.(#3887)\r
- if ( this._.lastNode &&\r
- this._.lastNode.type == CKEDITOR.NODE_TEXT &&\r
- !CKEDITOR.tools.trim( this._.lastNode.getText() ) &&\r
- this._.lastNode.getParent().isBlockBoundary() )\r
- {\r
- var testRange = new CKEDITOR.dom.range( range.document );\r
- testRange.moveToPosition( this._.lastNode, CKEDITOR.POSITION_AFTER_END );\r
- if ( testRange.checkEndOfBlock() )\r
- {\r
- var path = new CKEDITOR.dom.elementPath( testRange.endContainer );\r
- var lastBlock = path.block || path.blockLimit;\r
- this._.lastNode = lastBlock.getNextSourceNode( true );\r
- }\r
- }\r
-\r
- // Probably the document end is reached, we need a marker node.\r
- if ( !this._.lastNode )\r
- {\r
- this._.lastNode = this._.docEndMarker = range.document.createText( '' );\r
- this._.lastNode.insertAfter( lastNode );\r
- }\r
-\r
- // Let's reuse this variable.\r
- range = null;\r
- }\r
-\r
- this._.started = 1;\r
- }\r
-\r
- var currentNode = this._.nextNode;\r
- lastNode = this._.lastNode;\r
-\r
- this._.nextNode = null;\r
- while ( currentNode )\r
- {\r
- // closeRange indicates that a paragraph boundary has been found,\r
- // so the range can be closed.\r
- var closeRange = 0,\r
- parentPre = currentNode.hasAscendant( 'pre' );\r
-\r
- // includeNode indicates that the current node is good to be part\r
- // of the range. By default, any non-element node is ok for it.\r
- var includeNode = ( currentNode.type != CKEDITOR.NODE_ELEMENT ),\r
- continueFromSibling = 0;\r
-\r
- // If it is an element node, let's check if it can be part of the\r
- // range.\r
- if ( !includeNode )\r
- {\r
- var nodeName = currentNode.getName();\r
-\r
- if ( currentNode.isBlockBoundary( this.forceBrBreak &&\r
- !parentPre && { br : 1 } ) )\r
- {\r
- // <br> boundaries must be part of the range. It will\r
- // happen only if ForceBrBreak.\r
- if ( nodeName == 'br' )\r
- includeNode = 1;\r
- else if ( !range && !currentNode.getChildCount() && nodeName != 'hr' )\r
- {\r
- // If we have found an empty block, and haven't started\r
- // the range yet, it means we must return this block.\r
- block = currentNode;\r
- isLast = currentNode.equals( lastNode );\r
- break;\r
- }\r
-\r
- // The range must finish right before the boundary,\r
- // including possibly skipped empty spaces. (#1603)\r
- if ( range )\r
- {\r
- range.setEndAt( currentNode, CKEDITOR.POSITION_BEFORE_START );\r
-\r
- // The found boundary must be set as the next one at this\r
- // point. (#1717)\r
- if ( nodeName != 'br' )\r
- this._.nextNode = currentNode;\r
- }\r
-\r
- closeRange = 1;\r
- }\r
- else\r
- {\r
- // If we have child nodes, let's check them.\r
- if ( currentNode.getFirst() )\r
- {\r
- // If we don't have a range yet, let's start it.\r
- if ( !range )\r
- {\r
- range = new CKEDITOR.dom.range( this.range.document );\r
- range.setStartAt( currentNode, CKEDITOR.POSITION_BEFORE_START );\r
- }\r
-\r
- currentNode = currentNode.getFirst();\r
- continue;\r
- }\r
- includeNode = 1;\r
- }\r
- }\r
- else if ( currentNode.type == CKEDITOR.NODE_TEXT )\r
- {\r
- // Ignore normal whitespaces (i.e. not including or\r
- // other unicode whitespaces) before/after a block node.\r
- if ( beginWhitespaceRegex.test( currentNode.getText() ) )\r
- includeNode = 0;\r
- }\r
-\r
- // The current node is good to be part of the range and we are\r
- // starting a new range, initialize it first.\r
- if ( includeNode && !range )\r
- {\r
- range = new CKEDITOR.dom.range( this.range.document );\r
- range.setStartAt( currentNode, CKEDITOR.POSITION_BEFORE_START );\r
- }\r
-\r
- // The last node has been found.\r
- isLast = ( ( !closeRange || includeNode ) && currentNode.equals( lastNode ) );\r
-\r
- // If we are in an element boundary, let's check if it is time\r
- // to close the range, otherwise we include the parent within it.\r
- if ( range && !closeRange )\r
- {\r
- while ( !currentNode.getNext( skipGuard ) && !isLast )\r
- {\r
- var parentNode = currentNode.getParent();\r
-\r
- if ( parentNode.isBlockBoundary( this.forceBrBreak\r
- && !parentPre && { br : 1 } ) )\r
- {\r
- closeRange = 1;\r
- includeNode = 0;\r
- isLast = isLast || ( parentNode.equals( lastNode) );\r
- // Make sure range includes bookmarks at the end of the block. (#7359)\r
- range.setEndAt( parentNode, CKEDITOR.POSITION_BEFORE_END );\r
- break;\r
- }\r
-\r
- currentNode = parentNode;\r
- includeNode = 1;\r
- isLast = ( currentNode.equals( lastNode ) );\r
- continueFromSibling = 1;\r
- }\r
- }\r
-\r
- // Now finally include the node.\r
- if ( includeNode )\r
- range.setEndAt( currentNode, CKEDITOR.POSITION_AFTER_END );\r
-\r
- currentNode = getNextSourceNode ( currentNode, continueFromSibling, lastNode );\r
- isLast = !currentNode;\r
-\r
- // We have found a block boundary. Let's close the range and move out of the\r
- // loop.\r
- if ( isLast || ( closeRange && range ) )\r
- break;\r
- }\r
-\r
- // Now, based on the processed range, look for (or create) the block to be returned.\r
- if ( !block )\r
- {\r
- // If no range has been found, this is the end.\r
- if ( !range )\r
- {\r
- this._.docEndMarker && this._.docEndMarker.remove();\r
- this._.nextNode = null;\r
- return null;\r
- }\r
-\r
- var startPath = new CKEDITOR.dom.elementPath( range.startContainer );\r
- var startBlockLimit = startPath.blockLimit,\r
- checkLimits = { div : 1, th : 1, td : 1 };\r
- block = startPath.block;\r
-\r
- if ( !block\r
- && !this.enforceRealBlocks\r
- && checkLimits[ startBlockLimit.getName() ]\r
- && range.checkStartOfBlock()\r
- && range.checkEndOfBlock() )\r
- block = startBlockLimit;\r
- else if ( !block || ( this.enforceRealBlocks && block.getName() == 'li' ) )\r
- {\r
- // Create the fixed block.\r
- block = this.range.document.createElement( blockTag || 'p' );\r
-\r
- // Move the contents of the temporary range to the fixed block.\r
- range.extractContents().appendTo( block );\r
- block.trim();\r
-\r
- // Insert the fixed block into the DOM.\r
- range.insertNode( block );\r
-\r
- removePreviousBr = removeLastBr = true;\r
- }\r
- else if ( block.getName() != 'li' )\r
- {\r
- // If the range doesn't includes the entire contents of the\r
- // block, we must split it, isolating the range in a dedicated\r
- // block.\r
- if ( !range.checkStartOfBlock() || !range.checkEndOfBlock() )\r
- {\r
- // The resulting block will be a clone of the current one.\r
- block = block.clone( false );\r
-\r
- // Extract the range contents, moving it to the new block.\r
- range.extractContents().appendTo( block );\r
- block.trim();\r
-\r
- // Split the block. At this point, the range will be in the\r
- // right position for our intents.\r
- var splitInfo = range.splitBlock();\r
-\r
- removePreviousBr = !splitInfo.wasStartOfBlock;\r
- removeLastBr = !splitInfo.wasEndOfBlock;\r
-\r
- // Insert the new block into the DOM.\r
- range.insertNode( block );\r
- }\r
- }\r
- else if ( !isLast )\r
- {\r
- // LIs are returned as is, with all their children (due to the\r
- // nested lists). But, the next node is the node right after\r
- // the current range, which could be an <li> child (nested\r
- // lists) or the next sibling <li>.\r
-\r
- this._.nextNode = ( block.equals( lastNode ) ? null : getNextSourceNode( range.getBoundaryNodes().endNode, 1, lastNode ) );\r
- }\r
- }\r
-\r
- if ( removePreviousBr )\r
- {\r
- var previousSibling = block.getPrevious();\r
- if ( previousSibling && previousSibling.type == CKEDITOR.NODE_ELEMENT )\r
- {\r
- if ( previousSibling.getName() == 'br' )\r
- previousSibling.remove();\r
- else if ( previousSibling.getLast() && previousSibling.getLast().$.nodeName.toLowerCase() == 'br' )\r
- previousSibling.getLast().remove();\r
- }\r
- }\r
-\r
- if ( removeLastBr )\r
- {\r
- var lastChild = block.getLast();\r
- if ( lastChild && lastChild.type == CKEDITOR.NODE_ELEMENT && lastChild.getName() == 'br' )\r
- {\r
- // Take care not to remove the block expanding <br> in non-IE browsers.\r
- if ( CKEDITOR.env.ie\r
- || lastChild.getPrevious( bookmarkGuard )\r
- || lastChild.getNext( bookmarkGuard ) )\r
- lastChild.remove();\r
- }\r
- }\r
-\r
- // Get a reference for the next element. This is important because the\r
- // above block can be removed or changed, so we can rely on it for the\r
- // next interation.\r
- if ( !this._.nextNode )\r
- {\r
- this._.nextNode = ( isLast || block.equals( lastNode ) || !lastNode ) ? null :\r
- getNextSourceNode( block, 1, lastNode );\r
- }\r
-\r
- return block;\r
- }\r
- };\r
-\r
- CKEDITOR.dom.range.prototype.createIterator = function()\r
- {\r
- return new iterator( this );\r
- };\r
-})();\r
Got questions, comments, patches, etc.? Contact Jason Woofenden