/*
Copyright (c) 2003-2009, CKSource - Frederico Knabben. All rights reserved.
For licensing, see LICENSE.html or http://ckeditor.com/license
*/

CKEDITOR.plugins.add('domiterator');(function(){var a=function(c){var d=this;if(arguments.length<1)return;d.range=c;d.forceBrBreak=false;d.enlargeBr=true;d.enforceRealBlocks=false;d._||(d._={});},b=/^[\r\n\t ]+$/;a.prototype={getNextParagraph:function(c){var D=this;var d,e,f,g,h;if(!D._.lastNode){e=D.range.clone();e.enlarge(D.forceBrBreak||!D.enlargeBr?CKEDITOR.ENLARGE_LIST_ITEM_CONTENTS:CKEDITOR.ENLARGE_BLOCK_CONTENTS);var i=new CKEDITOR.dom.walker(e),j=CKEDITOR.dom.walker.bookmark(true,true);i.evaluator=j;D._.nextNode=i.next();i=new CKEDITOR.dom.walker(e);i.evaluator=j;var k=i.previous();D._.lastNode=k.getNextSourceNode(true);if(D._.lastNode&&D._.lastNode.type==CKEDITOR.NODE_TEXT&&!CKEDITOR.tools.trim(D._.lastNode.getText())&&D._.lastNode.getParent().isBlockBoundary()){var l=new CKEDITOR.dom.range(e.document);l.moveToPosition(D._.lastNode,CKEDITOR.POSITION_AFTER_END);if(l.checkEndOfBlock()){var m=new CKEDITOR.dom.elementPath(l.endContainer),n=m.block||m.blockLimit;D._.lastNode=n.getNextSourceNode(true);}}if(!D._.lastNode){D._.lastNode=D._.docEndMarker=e.document.createText('');D._.lastNode.insertAfter(k);}e=null;}var o=D._.nextNode;k=D._.lastNode;D._.nextNode=null;while(o){var p=false,q=o.type!=CKEDITOR.NODE_ELEMENT,r=false;if(!q){var s=o.getName();if(o.isBlockBoundary(D.forceBrBreak&&{br:1})){if(s=='br')q=true;else if(!e&&!o.getChildCount()&&s!='hr'){d=o;f=o.equals(k);break;}if(e){e.setEndAt(o,CKEDITOR.POSITION_BEFORE_START);if(s!='br')D._.nextNode=o;}p=true;}else{if(o.getFirst()){if(!e){e=new CKEDITOR.dom.range(D.range.document);e.setStartAt(o,CKEDITOR.POSITION_BEFORE_START);}o=o.getFirst();continue;}q=true;}}else if(o.type==CKEDITOR.NODE_TEXT)if(b.test(o.getText()))q=false;if(q&&!e){e=new CKEDITOR.dom.range(D.range.document);e.setStartAt(o,CKEDITOR.POSITION_BEFORE_START);}f=(!p||q)&&(o.equals(k));if(e&&!p)while(!o.getNext()&&!f){var t=o.getParent();if(t.isBlockBoundary(D.forceBrBreak&&{br:1})){p=true;f=f||t.equals(k);break;}o=t;q=true;f=o.equals(k);r=true;}if(q)e.setEndAt(o,CKEDITOR.POSITION_AFTER_END);o=o.getNextSourceNode(r,null,k);f=!o;if((p||f)&&(e)){var u=e.getBoundaryNodes(),v=new CKEDITOR.dom.elementPath(e.startContainer),w=new CKEDITOR.dom.elementPath(e.endContainer);if(u.startNode.equals(u.endNode)&&u.startNode.getParent().equals(v.blockLimit)&&u.startNode.type==CKEDITOR.NODE_ELEMENT&&u.startNode.getAttribute('_fck_bookmark')){e=null;D._.nextNode=null;}else break;}if(f)break;}if(!d){if(!e){D._.docEndMarker&&D._.docEndMarker.remove();D._.nextNode=null;
return null;}v=new CKEDITOR.dom.elementPath(e.startContainer);var x=v.blockLimit,y={div:1,th:1,td:1};d=v.block;if(!d&&!D.enforceRealBlocks&&y[x.getName()]&&e.checkStartOfBlock()&&e.checkEndOfBlock())d=x;else if(!d||D.enforceRealBlocks&&d.getName()=='li'){d=D.range.document.createElement(c||'p');e.extractContents().appendTo(d);d.trim();e.insertNode(d);g=h=true;}else if(d.getName()!='li'){if(!e.checkStartOfBlock()||!e.checkEndOfBlock()){d=d.clone(false);e.extractContents().appendTo(d);d.trim();var z=e.splitBlock();g=!z.wasStartOfBlock;h=!z.wasEndOfBlock;e.insertNode(d);}}else if(!f)D._.nextNode=d.equals(k)?null:e.getBoundaryNodes().endNode.getNextSourceNode(true,null,k);}if(g){var A=d.getPrevious();if(A&&A.type==CKEDITOR.NODE_ELEMENT)if(A.getName()=='br')A.remove();else if(A.getLast()&&A.getLast().$.nodeName.toLowerCase()=='br')A.getLast().remove();}if(h){var B=CKEDITOR.dom.walker.bookmark(false,true),C=d.getLast();if(C&&C.type==CKEDITOR.NODE_ELEMENT&&C.getName()=='br')if(CKEDITOR.env.ie||C.getPrevious(B)||C.getNext(B))C.remove();}if(!D._.nextNode)D._.nextNode=f||d.equals(k)?null:d.getNextSourceNode(true,null,k);return d;}};CKEDITOR.dom.range.prototype.createIterator=function(){return new a(this);};})();
