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

(function(){function a(e,f){var g=f.block||f.blockLimit;if(!g||g.getName()=='body')return CKEDITOR.TRISTATE_OFF;if(g.getAscendant('blockquote',true))return CKEDITOR.TRISTATE_ON;return CKEDITOR.TRISTATE_OFF;};function b(e){var f=e.editor,g=f.getCommand('blockquote');g.state=a(f,e.data.path);g.fire('state');};function c(e){for(var f=0,g=e.getChildCount(),h;f<g&&(h=e.getChild(f));f++)if(h.type==CKEDITOR.NODE_ELEMENT&&h.isBlockBoundary())return false;return true;};var d={exec:function(e){var f=e.getCommand('blockquote').state,g=e.getSelection(),h=g&&g.getRanges()[0];if(!h)return;var i=g.createBookmarks();if(CKEDITOR.env.ie){var j=i[0].startNode,k=i[0].endNode,l;if(j&&j.getParent().getName()=='blockquote'){l=j;while(l=l.getNext())if(l.type==CKEDITOR.NODE_ELEMENT&&l.isBlockBoundary()){j.move(l,true);break;}}if(k&&k.getParent().getName()=='blockquote'){l=k;while(l=l.getPrevious())if(l.type==CKEDITOR.NODE_ELEMENT&&l.isBlockBoundary()){k.move(l);break;}}}var m=h.createIterator(),n;if(f==CKEDITOR.TRISTATE_OFF){var o=[];while(n=m.getNextParagraph())o.push(n);if(o.length<1){var p=e.document.createElement(e.config.enterMode==CKEDITOR.ENTER_P?'p':'div'),q=i.shift();h.insertNode(p);p.append(new CKEDITOR.dom.text('',e.document));h.moveToBookmark(q);h.selectNodeContents(p);h.collapse(true);q=h.createBookmark();o.push(p);i.unshift(q);}var r=o[0].getParent(),s=[];for(var t=0;t<o.length;t++){n=o[t];r=r.getCommonAncestor(n.getParent());}var u={table:1,tbody:1,tr:1,ol:1,ul:1};while(u[r.getName()])r=r.getParent();var v=null;while(o.length>0){n=o.shift();while(!n.getParent().equals(r))n=n.getParent();if(!n.equals(v))s.push(n);v=n;}while(s.length>0){n=s.shift();if(n.getName()=='blockquote'){var w=new CKEDITOR.dom.documentFragment(e.document);while(n.getFirst()){w.append(n.getFirst().remove());o.push(w.getLast());}w.replace(n);}else o.push(n);}var x=e.document.createElement('blockquote');x.insertBefore(o[0]);while(o.length>0){n=o.shift();x.append(n);}}else if(f==CKEDITOR.TRISTATE_ON){var y=[],z={};while(n=m.getNextParagraph()){var A=null,B=null;while(n.getParent()){if(n.getParent().getName()=='blockquote'){A=n.getParent();B=n;break;}n=n.getParent();}if(A&&B&&!B.getCustomData('blockquote_moveout')){y.push(B);CKEDITOR.dom.element.setMarker(z,B,'blockquote_moveout',true);}}CKEDITOR.dom.element.clearAllMarkers(z);var C=[],D=[];z={};while(y.length>0){var E=y.shift();x=E.getParent();if(!E.getPrevious())E.remove().insertBefore(x);else if(!E.getNext())E.remove().insertAfter(x);else{E.breakParent(E.getParent());
D.push(E.getNext());}if(!x.getCustomData('blockquote_processed')){D.push(x);CKEDITOR.dom.element.setMarker(z,x,'blockquote_processed',true);}C.push(E);}CKEDITOR.dom.element.clearAllMarkers(z);for(t=D.length-1;t>=0;t--){x=D[t];if(c(x))x.remove();}if(e.config.enterMode==CKEDITOR.ENTER_BR){var F=true;while(C.length){E=C.shift();if(E.getName()=='div'){w=new CKEDITOR.dom.documentFragment(e.document);var G=F&&E.getPrevious()&&!(E.getPrevious().type==CKEDITOR.NODE_ELEMENT&&E.getPrevious().isBlockBoundary());if(G)w.append(e.document.createElement('br'));var H=E.getNext()&&!(E.getNext().type==CKEDITOR.NODE_ELEMENT&&E.getNext().isBlockBoundary());while(E.getFirst())E.getFirst().remove().appendTo(w);if(H)w.append(e.document.createElement('br'));w.replace(E);F=false;}}}}g.selectBookmarks(i);e.focus();}};CKEDITOR.plugins.add('blockquote',{init:function(e){e.addCommand('blockquote',d);e.ui.addButton('Blockquote',{label:e.lang.blockquote,command:'blockquote'});e.on('selectionChange',b);},requires:['domiterator']});})();