namibia
df0489e1eeeeab5a9bd44e1d84fce49924fe1bac
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/* Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved. For licensing, see LICENSE.html or http://ckeditor.com/license */ /** * @file DOM iterator, which iterates over list items, lines and paragraphs. */ CKEDITOR.plugins.add( 'domiterator' ); (function() { /** * @name CKEDITOR.dom.iterator */ function iterator( range ) { if ( arguments.length < 1 ) return; this.range = range; this.forceBrBreak = 0; // Whether include <br>s into the enlarged range.(#3730). this.enlargeBr = 1; this.enforceRealBlocks = 0; this._ || ( this._ = {} ); } var beginWhitespaceRegex = /^[\r\n\t ]+$/, // Ignore bookmark nodes.(#3783) bookmarkGuard = CKEDITOR.dom.walker.bookmark( false, true ), whitespacesGuard = CKEDITOR.dom.walker.whitespaces( true ), skipGuard = function( node ) { return bookmarkGuard( node ) && whitespacesGuard( node ); }; // Get a reference for the next element, bookmark nodes are skipped. function getNextSourceNode( node, startFromSibling, lastNode ) { var next = node.getNextSourceNode( startFromSibling, null, lastNode ); while ( !bookmarkGuard( next ) ) next = next.getNextSourceNode( startFromSibling, null, lastNode ); return next; } iterator.prototype = { getNextParagraph : function( blockTag ) { // The block element to be returned. var block; // The range object used to identify the paragraph contents. var range; // Indicats that the current element in the loop is the last one. var isLast; // Indicate at least one of the range boundaries is inside a preformat block. var touchPre; // Instructs to cleanup remaining BRs. var removePreviousBr, removeLastBr; // This is the first iteration. Let's initialize it. if ( !this._.lastNode ) { range = this.range.clone(); // Shrink the range to exclude harmful "noises" (#4087, #4450, #5435). range.shrink( CKEDITOR.NODE_ELEMENT, true ); touchPre = range.endContainer.hasAscendant( 'pre', true ) || range.startContainer.hasAscendant( 'pre', true ); range.enlarge( this.forceBrBreak && !touchPre || !this.enlargeBr ? CKEDITOR.ENLARGE_LIST_ITEM_CONTENTS : CKEDITOR.ENLARGE_BLOCK_CONTENTS ); var walker = new CKEDITOR.dom.walker( range ), ignoreBookmarkTextEvaluator = CKEDITOR.dom.walker.bookmark( true, true ); // Avoid anchor inside bookmark inner text. walker.evaluator = ignoreBookmarkTextEvaluator; this._.nextNode = walker.next(); // TODO: It's better to have walker.reset() used here. walker = new CKEDITOR.dom.walker( range ); walker.evaluator = ignoreBookmarkTextEvaluator; var lastNode = walker.previous(); this._.lastNode = lastNode.getNextSourceNode( true ); // We may have an empty text node at the end of block due to [3770]. // If that node is the lastNode, it would cause our logic to leak to the // next block.(#3887) if ( this._.lastNode && this._.lastNode.type == CKEDITOR.NODE_TEXT && !CKEDITOR.tools.trim( this._.lastNode.getText() ) && this._.lastNode.getParent().isBlockBoundary() ) { var testRange = new CKEDITOR.dom.range( range.document ); testRange.moveToPosition( this._.lastNode, CKEDITOR.POSITION_AFTER_END ); if ( testRange.checkEndOfBlock() ) { var path = new CKEDITOR.dom.elementPath( testRange.endContainer ); var lastBlock = path.block || path.blockLimit; this._.lastNode = lastBlock.getNextSourceNode( true ); } } // Probably the document end is reached, we need a marker node. if ( !this._.lastNode ) { this._.lastNode = this._.docEndMarker = range.document.createText( '' ); this._.lastNode.insertAfter( lastNode ); } // Let's reuse this variable. range = null; } var currentNode = this._.nextNode; lastNode = this._.lastNode; this._.nextNode = null; while ( currentNode ) { // closeRange indicates that a paragraph boundary has been found, // so the range can be closed. var closeRange = 0, parentPre = currentNode.hasAscendant( 'pre' ); // includeNode indicates that the current node is good to be part // of the range. By default, any non-element node is ok for it. var includeNode = ( currentNode.type != CKEDITOR.NODE_ELEMENT ), continueFromSibling = 0; // If it is an element node, let's check if it can be part of the // range. if ( !includeNode ) { var nodeName = currentNode.getName(); if ( currentNode.isBlockBoundary( this.forceBrBreak && !parentPre && { br : 1 } ) ) { // <br> boundaries must be part of the range. It will // happen only if ForceBrBreak. if ( nodeName == 'br' ) includeNode = 1; else if ( !range && !currentNode.getChildCount() && nodeName != 'hr' ) { // If we have found an empty block, and haven't started // the range yet, it means we must return this block. block = currentNode; isLast = currentNode.equals( lastNode ); break; } // The range must finish right before the boundary, // including possibly skipped empty spaces. (#1603) if ( range ) { range.setEndAt( currentNode, CKEDITOR.POSITION_BEFORE_START ); // The found boundary must be set as the next one at this // point. (#1717) if ( nodeName != 'br' ) this._.nextNode = currentNode; } closeRange = 1; } else { // If we have child nodes, let's check them. if ( currentNode.getFirst() ) { // If we don't have a range yet, let's start it. if ( !range ) { range = new CKEDITOR.dom.range( this.range.document ); range.setStartAt( currentNode, CKEDITOR.POSITION_BEFORE_START ); } currentNode = currentNode.getFirst(); continue; } includeNode = 1; } } else if ( currentNode.type == CKEDITOR.NODE_TEXT ) { // Ignore normal whitespaces (i.e. not including or // other unicode whitespaces) before/after a block node. if ( beginWhitespaceRegex.test( currentNode.getText() ) ) includeNode = 0; } // The current node is good to be part of the range and we are // starting a new range, initialize it first. if ( includeNode && !range ) { range = new CKEDITOR.dom.range( this.range.document ); range.setStartAt( currentNode, CKEDITOR.POSITION_BEFORE_START ); } // The last node has been found. isLast = ( ( !closeRange || includeNode ) && currentNode.equals( lastNode ) ); // If we are in an element boundary, let's check if it is time // to close the range, otherwise we include the parent within it. if ( range && !closeRange ) { while ( !currentNode.getNext( skipGuard ) && !isLast ) { var parentNode = currentNode.getParent(); if ( parentNode.isBlockBoundary( this.forceBrBreak && !parentPre && { br : 1 } ) ) { closeRange = 1; includeNode = 0; isLast = isLast || ( parentNode.equals( lastNode) ); // Make sure range includes bookmarks at the end of the block. (#7359) range.setEndAt( parentNode, CKEDITOR.POSITION_BEFORE_END ); break; } currentNode = parentNode; includeNode = 1; isLast = ( currentNode.equals( lastNode ) ); continueFromSibling = 1; } } // Now finally include the node. if ( includeNode ) range.setEndAt( currentNode, CKEDITOR.POSITION_AFTER_END ); currentNode = getNextSourceNode ( currentNode, continueFromSibling, lastNode ); isLast = !currentNode; // We have found a block boundary. Let's close the range and move out of the // loop. if ( isLast || ( closeRange && range ) ) break; } // Now, based on the processed range, look for (or create) the block to be returned. if ( !block ) { // If no range has been found, this is the end. if ( !range ) { this._.docEndMarker && this._.docEndMarker.remove(); this._.nextNode = null; return null; } var startPath = new CKEDITOR.dom.elementPath( range.startContainer ); var startBlockLimit = startPath.blockLimit, checkLimits = { div : 1, th : 1, td : 1 }; block = startPath.block; if ( !block && !this.enforceRealBlocks && checkLimits[ startBlockLimit.getName() ] && range.checkStartOfBlock() && range.checkEndOfBlock() ) block = startBlockLimit; else if ( !block || ( this.enforceRealBlocks && block.getName() == 'li' ) ) { // Create the fixed block. block = this.range.document.createElement( blockTag || 'p' ); // Move the contents of the temporary range to the fixed block. range.extractContents().appendTo( block ); block.trim(); // Insert the fixed block into the DOM. range.insertNode( block ); removePreviousBr = removeLastBr = true; } else if ( block.getName() != 'li' ) { // If the range doesn't includes the entire contents of the // block, we must split it, isolating the range in a dedicated // block. if ( !range.checkStartOfBlock() || !range.checkEndOfBlock() ) { // The resulting block will be a clone of the current one. block = block.clone( false ); // Extract the range contents, moving it to the new block. range.extractContents().appendTo( block ); block.trim(); // Split the block. At this point, the range will be in the // right position for our intents. var splitInfo = range.splitBlock(); removePreviousBr = !splitInfo.wasStartOfBlock; removeLastBr = !splitInfo.wasEndOfBlock; // Insert the new block into the DOM. range.insertNode( block ); } } else if ( !isLast ) { // LIs are returned as is, with all their children (due to the // nested lists). But, the next node is the node right after // the current range, which could be an <li> child (nested // lists) or the next sibling <li>. this._.nextNode = ( block.equals( lastNode ) ? null : getNextSourceNode( range.getBoundaryNodes().endNode, 1, lastNode ) ); } } if ( removePreviousBr ) { var previousSibling = block.getPrevious(); if ( previousSibling && previousSibling.type == CKEDITOR.NODE_ELEMENT ) { if ( previousSibling.getName() == 'br' ) previousSibling.remove(); else if ( previousSibling.getLast() && previousSibling.getLast().$.nodeName.toLowerCase() == 'br' ) previousSibling.getLast().remove(); } } if ( removeLastBr ) { var lastChild = block.getLast(); if ( lastChild && lastChild.type == CKEDITOR.NODE_ELEMENT && lastChild.getName() == 'br' ) { // Take care not to remove the block expanding <br> in non-IE browsers. if ( CKEDITOR.env.ie || lastChild.getPrevious( bookmarkGuard ) || lastChild.getNext( bookmarkGuard ) ) lastChild.remove(); } } // Get a reference for the next element. This is important because the // above block can be removed or changed, so we can rely on it for the // next interation. if ( !this._.nextNode ) { this._.nextNode = ( isLast || block.equals( lastNode ) ) ? null : getNextSourceNode( block, 1, lastNode ); } return block; } }; CKEDITOR.dom.range.prototype.createIterator = function() { return new iterator( this ); }; })(); |
Commits for namibiapublic/scripts/ckeditor/_source/plugins/domiterator/plugin.js
Revision | Author | Commited | Message |
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df0489 ... | Mark | Fri 14 Oct, 2016 10:01:00 +0000 | initial commit |