ROOTPLOIT
Server: LiteSpeed
System: Linux in-mum-web1878.main-hosting.eu 5.14.0-570.21.1.el9_6.x86_64 #1 SMP PREEMPT_DYNAMIC Wed Jun 11 07:22:35 EDT 2025 x86_64
User: u435929562 (435929562)
PHP: 7.4.33
Disabled: system, exec, shell_exec, passthru, mysql_list_dbs, ini_alter, dl, symlink, link, chgrp, leak, popen, apache_child_terminate, virtual, mb_send_mail
Upload Files
File: /home/u435929562/domains/srisuprabhathambuilder.com/public_html/public/js/ckeditor/core/editable.js
/**

 * @license Copyright (c) 2003-2013, CKSource - Frederico Knabben. All rights reserved.

 * For licensing, see LICENSE.md or http://ckeditor.com/license

 */



(function() {

	/**

	 * Editable class which provides all editing related activities by

	 * the `contenteditable` element, dynamically get attached to editor instance.

	 *

	 * @class CKEDITOR.editable

	 * @extends CKEDITOR.dom.element

	 */

	CKEDITOR.editable = CKEDITOR.tools.createClass({

		base: CKEDITOR.dom.element,

		/**

		 * The constructor hold only generic editable creation logic that are commonly shared among all different editable elements.

		 *

		 * @constructor Creates an editable class instance.

		 * @param {CKEDITOR.editor} editor The editor instance on which the editable operates.

		 * @param {HTMLElement/CKEDITOR.dom.element} element Any DOM element that been used as the editor's

		 * editing container, e.g. it could be either an HTML element with the `contenteditable` attribute

		 * set to the true that handles wysiwyg editing or a `<textarea>` element that handles source editing.

		 */

		$: function( editor, element ) {

			// Transform the element into a CKEDITOR.dom.element instance.

			this.base( element.$ || element );



			this.editor = editor;



			/**

			 * Indicate whether the editable element has gained focus.

			 *

			 * @property {Boolean} hasFocus

			 */

			this.hasFocus = false;



			// The bootstrapping logic.

			this.setup();

		},

		proto: {



			focus: function() {

				// [IE] Use instead "setActive" method to focus the editable if it belongs to

				// the host page document, to avoid bringing an unexpected scroll.

				this.$[ CKEDITOR.env.ie && this.getDocument().equals( CKEDITOR.document ) ? 'setActive' : 'focus' ]();



				// Remedy if Safari doens't applies focus properly. (#279)

				if ( CKEDITOR.env.safari && !this.isInline() ) {

					var active = CKEDITOR.document.getActive();

					if ( !active.equals( this.getWindow().getFrame() ) ) {

						this.getWindow().focus();

					}

				}

			},



			/**

			 * Overrides {@link CKEDITOR.dom.element#on} to have special `focus/blur` handling.

			 * The `focusin/focusout` events are used in IE to replace regular `focus/blur` events

			 * because we want to avoid the asynchronous nature of later ones.

			 */

			on: function( name, fn ) {

				var args = Array.prototype.slice.call( arguments, 0 );



				if ( CKEDITOR.env.ie && ( /^focus|blur$/ ).exec( name ) ) {

					name = name == 'focus' ? 'focusin' : 'focusout';



					// The "focusin/focusout" events bubbled, e.g. If there are elements with layout

					// they fire this event when clicking in to edit them but it must be ignored

					// to allow edit their contents. (#4682)

					fn = isNotBubbling( fn, this );

					args[ 0 ] = name;

					args[ 1 ] = fn;

				}



				return CKEDITOR.dom.element.prototype.on.apply( this, args );

			},



			/**

			 * Registers an event listener that needs to be removed on detaching.

			 *

			 * @see CKEDITOR.event#on

			 */

			attachListener: function( obj, event, fn, scope, listenerData, priority ) {

				!this._.listeners && ( this._.listeners = [] );

				// Register the listener.

				var args = Array.prototype.slice.call( arguments, 1 );

				this._.listeners.push( obj.on.apply( obj, args ) );

			},



			/**

			 * Remove all event listeners registered from {@link #attachListener}.

			 */

			clearListeners: function() {

				var listeners = this._.listeners;

				// Don't get broken by this.

				try {

					while ( listeners.length )

						listeners.pop().removeListener();

				} catch ( e ) {}

			},



			/**

			 * Restore all attribution changes made by {@link #changeAttr }.

			 */

			restoreAttrs : function() {

				var changes = this._.attrChanges, orgVal;

				for ( var attr in changes )

				{

					if ( changes.hasOwnProperty( attr ) )

					{

						orgVal = changes[ attr ];

						// Restore original attribute.

						orgVal !== null ? this.setAttribute( attr, orgVal ) : this.removeAttribute( attr );

					}

				}

			},



			/**

			 * Adds a CSS class name to this editable that needs to be removed on detaching.

			 *

			 * @param {String} className The class name to be added.

			 * @see CKEDITOR.dom.element#addClass

			 */

			attachClass: function( cls ) {

				var classes = this.getCustomData( 'classes' );

				if ( !this.hasClass( cls ) ) {

					!classes && ( classes = [] ), classes.push( cls );

					this.setCustomData( 'classes', classes );

					this.addClass( cls );

				}

			},



			/**

			 * Make an attribution change that would be reverted on editable detaching.

			 * @param {String} attr The attribute name to be changed.

			 * @param {String} val The value of specified attribute.

			 */

			changeAttr : function( attr, val ) {



				var orgVal = this.getAttribute( attr );

				if ( val !== orgVal )

				{

					!this._.attrChanges && ( this._.attrChanges = {} );



					// Saved the original attribute val.

					if ( !( attr in this._.attrChanges ) )

						this._.attrChanges[ attr ] = orgVal;



					this.setAttribute( attr, val );

				}

			},



			/**

			 * @see CKEDITOR.editor#insertHtml

			 */

			insertHtml: function( data, mode ) {

				beforeInsert( this );

				// Default mode is 'html'.

				insert( this, mode || 'html', data );

			},



			/**

			 * @see CKEDITOR.editor#insertText

			 */

			insertText: function( text ) {

				beforeInsert( this );



				var editor = this.editor,

					mode = editor.getSelection().getStartElement().hasAscendant( 'pre', true ) ? CKEDITOR.ENTER_BR : editor.config.enterMode,

					isEnterBrMode = mode == CKEDITOR.ENTER_BR,

					tools = CKEDITOR.tools;



				// CRLF -> LF

				var html = tools.htmlEncode( text.replace( /\r\n/g, '\n' ) );



				// Tab -> &nbsp x 4;

				html = html.replace( /\t/g, '&nbsp;&nbsp; &nbsp;' );



				var paragraphTag = mode == CKEDITOR.ENTER_P ? 'p' : 'div';



				// Two line-breaks create one paragraphing block.

				if ( !isEnterBrMode ) {

					var duoLF = /\n{2}/g;

					if ( duoLF.test( html ) )

					{

						var openTag = '<' + paragraphTag + '>', endTag = '</' + paragraphTag + '>';

						html = openTag + html.replace( duoLF, function() { return  endTag + openTag; } ) + endTag;

					}

				}



				// One <br> per line-break.

				html = html.replace( /\n/g, '<br>' );



				// Compensate padding <br> at the end of block, avoid loosing them during insertion.

				if ( !isEnterBrMode ) {

					html = html.replace( new RegExp( '<br>(?=</' + paragraphTag + '>)' ), function( match ) {

						return tools.repeat( match, 2 );

					});

				}



				// Preserve spaces at the ends, so they won't be lost after insertion (merged with adjacent ones).

				html = html.replace( /^ | $/g, '&nbsp;' );



				// Finally, preserve whitespaces that are to be lost.

				html = html.replace( /(>|\s) /g, function( match, before ) {

					return before + '&nbsp;';

				} ).replace( / (?=<)/g, '&nbsp;' );



				insert( this, 'text', html );

			},



			/**

			 * @see CKEDITOR.editor#insertElement

			 */

			insertElement: function( element ) {

				beforeInsert( this );



				var editor = this.editor,

					enterMode = editor.config.enterMode,

					selection = editor.getSelection(),

					ranges = selection.getRanges(),

					elementName = element.getName(),

					isBlock = CKEDITOR.dtd.$block[ elementName ];



				var range, clone, lastElement;



				for ( var i = ranges.length - 1; i >= 0; i-- ) {

					range = ranges[ i ];



					if ( !range.checkReadOnly() ) {

						// Remove the original contents, merge split nodes.

						range.deleteContents( 1 );



						clone = !i && element || element.clone( 1 );



						// If we're inserting a block at dtd-violated position, split

						// the parent blocks until we reach blockLimit.

						var current, dtd;

						if ( isBlock ) {

							while ( ( current = range.getCommonAncestor( 0, 1 ) ) &&

							        ( dtd = CKEDITOR.dtd[ current.getName() ] ) &&

							        !( dtd && dtd[ elementName ] ) ) {

								// Split up inline elements.

								if ( current.getName() in CKEDITOR.dtd.span )

									range.splitElement( current );

								// If we're in an empty block which indicate a new paragraph,

								// simply replace it with the inserting block.(#3664)

								else if ( range.checkStartOfBlock() && range.checkEndOfBlock() ) {

									range.setStartBefore( current );

									range.collapse( true );

									current.remove();

								} else

									range.splitBlock( enterMode == CKEDITOR.ENTER_DIV ? 'div' : 'p', editor.editable() );

							}

						}



						// Insert the new node.

						range.insertNode( clone );



						// Save the last element reference so we can make the

						// selection later.

						if ( !lastElement )

							lastElement = clone;

					}

				}



				if ( lastElement ) {

					range.moveToPosition( lastElement, CKEDITOR.POSITION_AFTER_END );



					// If we're inserting a block element, the new cursor position must be

					// optimized. (#3100,#5436,#8950)

					if ( isBlock ) {



						var next = lastElement.getNext( isNotEmpty );



						if ( next && next.type == CKEDITOR.NODE_ELEMENT &&

						     next.is( CKEDITOR.dtd.$block ) ) {



							// If the next one is a text block, move cursor to the start of it's content.

							if ( next.getDtd()[ '#' ] )

								range.moveToElementEditStart( next );

							// Otherwise move cursor to the before end of the last element.

							else

								range.moveToElementEditEnd( lastElement );

						}

						// Open a new line if the block is inserted at the end of parent.

						else if ( !next && enterMode != CKEDITOR.ENTER_BR ) {

							next = range.fixBlock( true, enterMode == CKEDITOR.ENTER_DIV ? 'div' : 'p' );

							range.moveToElementEditStart( next );

						}

					}

				}



				selection.selectRanges( [ range ] );



				// Do not scroll after inserting, because Opera may fail on certain element (e.g. iframe/iframe.html).

				afterInsert( this, CKEDITOR.env.opera );

			},



			/**

			 * @see CKEDITOR.editor#setData

			 */

			setData: function( data, isSnapshot ) {

				if ( !isSnapshot && this.editor.dataProcessor )

					data = this.editor.dataProcessor.toHtml( data );



				this.setHtml( data );

				this.editor.fire( 'dataReady' );

			},



			/**

			 * @see CKEDITOR.editor#getData

			 */

			getData: function( isSnapshot ) {

				var data = this.getHtml();



				if ( !isSnapshot && this.editor.dataProcessor )

					data = this.editor.dataProcessor.toDataFormat( data );



				return data;

			},



			/**

			 * Change the read-only state on this editable.

			 *

			 * @param {Boolean} isReadOnly

			 */

			setReadOnly: function( isReadOnly ) {

				this.setAttribute( 'contenteditable', !isReadOnly );

			},



			/**

			 * Detach this editable object from the DOM (remove classes, listeners, etc.)

			 */

			detach: function() {

				// Cleanup the element.

				this.removeClass( 'cke_editable' );



				// Save the editor reference which will be lost after

				// calling detach from super class.

				var editor = this.editor;



				this._.detach();



				delete editor.document;

				delete editor.window;

			},



			/**

			 * Check if the editable is one of the host page element, indicates the

			 * an inline editing environment.

			 *

			 * @returns {Boolean}

			 */

			isInline : function () {

				return this.getDocument().equals( CKEDITOR.document );

			},



			/**

			 * Editable element bootstrapping.

			 *

			 * @private

			 */

			setup: function() {

				var editor = this.editor;



				// Handle the load/read of editor data/snapshot.

				this.attachListener( editor, 'beforeGetData', function() {

					var data = this.getData();



					// Post processing html output of wysiwyg editable.

					if ( !this.is( 'textarea' ) ) {

						// Reset empty if the document contains only one empty paragraph.

						if ( editor.config.ignoreEmptyParagraph !== false )

							data = data.replace( emptyParagraphRegexp, function( match, lookback ) { return lookback; } );

					}



					editor.setData( data, null, 1 );

				}, this );



				this.attachListener( editor, 'getSnapshot', function( evt ) {

					evt.data = this.getData( 1 );

				}, this );



				this.attachListener( editor, 'afterSetData', function() {

					this.setData( editor.getData( 1 ) );

				}, this );

				this.attachListener( editor, 'loadSnapshot', function( evt ) {

					this.setData( evt.data, 1 );

				}, this );



				// Delegate editor focus/blur to editable.

				this.attachListener( editor, 'beforeFocus', function() {

					var sel = editor.getSelection(),

						ieSel = sel && sel.getNative();



					// IE considers control-type element as separate

					// focus host when selected, avoid destroying the

					// selection in such case. (#5812) (#8949)

					if ( ieSel && ieSel.type == 'Control' )

						return;



					this.focus();

				}, this );



				this.attachListener( editor, 'insertHtml', function( evt ) {

					this.insertHtml( evt.data.dataValue, evt.data.mode );

				}, this );

				this.attachListener( editor, 'insertElement', function( evt ) {

					this.insertElement( evt.data );

				}, this );

				this.attachListener( editor, 'insertText', function( evt ) {

					this.insertText( evt.data );

				}, this );



				// Update editable state.

				this.setReadOnly( editor.readOnly );



				// The editable class.

				this.attachClass( 'cke_editable' );



				// The element mode css class.

				this.attachClass( editor.elementMode == CKEDITOR.ELEMENT_MODE_INLINE ?

					'cke_editable_inline' :

					editor.elementMode == CKEDITOR.ELEMENT_MODE_REPLACE ||

					editor.elementMode == CKEDITOR.ELEMENT_MODE_APPENDTO ?

					'cke_editable_themed' : ''

				);



				this.attachClass( 'cke_contents_' + editor.config.contentsLangDirection );



				// Setup editor keystroke handlers on this element.

				var keystrokeHandler = editor.keystrokeHandler;



				// If editor is read-only, then make sure that BACKSPACE key

				// is blocked to prevent browser history navigation.

				keystrokeHandler.blockedKeystrokes[ 8 ] = +editor.readOnly;



				editor.keystrokeHandler.attach( this );



				// Update focus states.

				this.on( 'blur', function( evt ) {

					// Opera might raise undesired blur event on editable, check if it's

					// really blurred, otherwise cancel the event. (#9459)

					if ( CKEDITOR.env.opera ) {

						var active = CKEDITOR.document.getActive();

						if ( active.equals( this.isInline() ? this : this.getWindow().getFrame() ) ) {

							evt.cancel();

							return;

						}

					}



					this.hasFocus = false;

				}, null, null, -1 );



				this.on( 'focus', function() {

					this.hasFocus = true;

				}, null, null, -1 );



				// Register to focus manager.

				editor.focusManager.add( this );



				// Inherit the initial focus on editable element.

				if ( this.equals( CKEDITOR.document.getActive() ) ) {

					this.hasFocus = true;

					// Pending until this editable has attached.

					editor.once( 'contentDom', function() {

						editor.focusManager.focus();

					});

				}



				// Apply tab index on demand, with original direction saved.

				if ( this.isInline() ) {



					// tabIndex of the editable is different than editor's one.

					// Update the attribute of the editable.

					this.changeAttr( 'tabindex', editor.tabIndex );

				}



				// The above is all we'll be doing for a <textarea> editable.

				if ( this.is( 'textarea' ) )

					return;



				// The DOM document which the editing acts upon.

				editor.document = this.getDocument();

				editor.window = this.getWindow();



				var doc = editor.document;



				this.changeAttr( 'spellcheck', !editor.config.disableNativeSpellChecker );



				// Apply contents direction on demand, with original direction saved.

				var dir = editor.config.contentsLangDirection;

				if ( this.getDirection( 1 ) != dir )

					this.changeAttr( 'dir', dir );



				// Create the content stylesheet for this document.

				var styles = CKEDITOR.getCss();

				if ( styles ) {

					var head = doc.getHead();

					if ( !head.getCustomData( 'stylesheet' ) ) {

						var sheet = doc.appendStyleText( styles );

						sheet = new CKEDITOR.dom.element( sheet.ownerNode || sheet.owningElement );

						head.setCustomData( 'stylesheet', sheet );

						sheet.data( 'cke-temp', 1 );

					}

				}



				// Update the stylesheet sharing count.

				var ref = doc.getCustomData( 'stylesheet_ref' ) || 0;

				doc.setCustomData( 'stylesheet_ref', ref + 1 );



				// Pass this configuration to styles system.

				this.setCustomData( 'cke_includeReadonly', !editor.config.disableReadonlyStyling );



				// Prevent the browser opening read-only links. (#6032)

				this.attachListener( this, 'click', function( ev ) {

					ev = ev.data;

					var target = ev.getTarget();

					if ( target.is( 'a' ) && ev.$.button != 2 && target.isReadOnly() )

						ev.preventDefault();

				});



				// Override keystrokes which should have deletion behavior

				//  on fully selected element . (#4047) (#7645)

				this.attachListener( editor, 'key', function( evt ) {

					if ( editor.readOnly )

						return true;



					var keyCode = evt.data.keyCode, isHandled;



					// Backspace OR Delete.

					if ( keyCode in { 8:1,46:1 } ) {

						var sel = editor.getSelection(),

							selected,

							range = sel.getRanges()[ 0 ],

							path = range.startPath(),

							block,

							parent,

							next,

							rtl = keyCode == 8;



						// Remove the entire list/table on fully selected content. (#7645)

						if ( ( selected = getSelectedTableList( sel ) ) ) {

							// Make undo snapshot.

							editor.fire( 'saveSnapshot' );



							// Delete any element that 'hasLayout' (e.g. hr,table) in IE8 will

							// break up the selection, safely manage it here. (#4795)

							range.moveToPosition( selected, CKEDITOR.POSITION_BEFORE_START );

							// Remove the control manually.

							selected.remove();

							range.select();



							editor.fire( 'saveSnapshot' );



							isHandled = 1;

						}

						else if ( range.collapsed )

						{

							// Handle the following special cases: (#6217)

							// 1. Del/Backspace key before/after table;

							// 2. Backspace Key after start of table.

							if ( ( block = path.block ) &&

								 range[ rtl ? 'checkStartOfBlock' : 'checkEndOfBlock' ]() &&

								 ( next = block[ rtl ? 'getPrevious' : 'getNext' ]( isNotWhitespace ) ) &&

								 next.is( 'table' ) )

							{

								editor.fire( 'saveSnapshot' );



								// Remove the current empty block.

								if ( range[ rtl ? 'checkEndOfBlock' : 'checkStartOfBlock' ]() )

									block.remove();



								// Move cursor to the beginning/end of table cell.

								range[ 'moveToElementEdit' + ( rtl ? 'End' : 'Start' ) ]( next );

								range.select();



								editor.fire( 'saveSnapshot' );



								isHandled = 1;

							}

							else if ( path.blockLimit && path.blockLimit.is( 'td' ) &&

									  ( parent = path.blockLimit.getAscendant( 'table' ) ) &&

									  range.checkBoundaryOfElement( parent, rtl ? CKEDITOR.START : CKEDITOR.END ) &&

									  ( next = parent[ rtl ? 'getPrevious' : 'getNext' ]( isNotWhitespace ) ) )

							{

								editor.fire( 'saveSnapshot' );



								// Move cursor to the end of previous block.

								range[ 'moveToElementEdit' + ( rtl ? 'End' : 'Start' ) ]( next );



								// Remove any previous empty block.

								if ( range.checkStartOfBlock() && range.checkEndOfBlock() )

									next.remove();

								else

									range.select();



								editor.fire( 'saveSnapshot' );



								isHandled = 1;

							}

							// BACKSPACE/DEL pressed at the start/end of table cell.

							else if ( ( parent = path.contains( [ 'td', 'th', 'caption' ] ) ) &&

								      range.checkBoundaryOfElement( parent, rtl ? CKEDITOR.START : CKEDITOR.END ) ) {

								isHandled = 1;

							}

						}



					}



					return !isHandled;

				});



				// Prevent automatic submission in IE #6336

				CKEDITOR.env.ie && this.attachListener( this, 'click', blockInputClick );



				// Gecko/Webkit need some help when selecting control type elements. (#3448)

				if ( !( CKEDITOR.env.ie || CKEDITOR.env.opera ) ) {

					this.attachListener( this, 'mousedown', function( ev ) {

						var control = ev.data.getTarget();

						if ( control.is( 'img', 'hr', 'input', 'textarea', 'select' ) ) {

							editor.getSelection().selectElement( control );



							// Prevent focus from stealing from the editable. (#9515)

							if ( control.is( 'input', 'textarea', 'select' ) )

								ev.data.preventDefault();

						}

					});

				}



				// Prevent right click from selecting an empty block even

				// when selection is anchored inside it. (#5845)

				if ( CKEDITOR.env.gecko ) {

					this.attachListener( this, 'mouseup', function( ev ) {

						if ( ev.data.$.button == 2 ) {

							var target = ev.data.getTarget();



							if ( !target.getOuterHtml().replace( emptyParagraphRegexp, '' ) ) {

								var range = editor.createRange();

								range.moveToElementEditStart( target );

								range.select( true );

							}

						}

					});

				}



				// Webkit: avoid from editing form control elements content.

				if ( CKEDITOR.env.webkit ) {

					// Prevent from tick checkbox/radiobox/select

					this.attachListener( this, 'click', function( ev ) {

						if ( ev.data.getTarget().is( 'input', 'select' ) )

							ev.data.preventDefault();

					});



					// Prevent from editig textfield/textarea value.

					this.attachListener( this, 'mouseup', function( ev ) {

						if ( ev.data.getTarget().is( 'input', 'textarea' ) )

							ev.data.preventDefault();

					});

				}

			}

		},



		_: {

			detach: function() {

				// Update the editor cached data with current data.

				this.editor.setData( this.editor.getData(), 0, 1 );



				this.clearListeners();

				this.restoreAttrs();



				// Cleanup our custom classes.

				var classes;

				if ( ( classes = this.removeCustomData( 'classes' ) ) ) {

					while ( classes.length )

						this.removeClass( classes.pop() );

				}



				// Remove contents stylesheet from document if it's the last usage.

				var doc = this.getDocument(),

					head = doc.getHead();

				if ( head.getCustomData( 'stylesheet' ) ) {

					var refs = doc.getCustomData( 'stylesheet_ref' );

					if ( !( --refs ) ) {

						doc.removeCustomData( 'stylesheet_ref' );

						var sheet = head.removeCustomData( 'stylesheet' );

						sheet.remove();

					} else

						doc.setCustomData( 'stylesheet_ref', refs );

				}



				// Free up the editor reference.

				delete this.editor;

			}

		}

	});



	/**

	 * Create, retrieve or detach an editable element of the editor,

	 * this method should always be used instead of calling directly {@link CKEDITOR.editable}.

	 *

	 * @method editable

	 * @member CKEDITOR.editor

	 * @param {CKEDITOR.dom.element/CKEDITOR.editable} elementOrEditable The

	 * DOM element to become the editable or a {@link CKEDITOR.editable} object.

	 */

	CKEDITOR.editor.prototype.editable = function( element ) {

		var editable = this._.editable;



		// This editor has already associated with

		// an editable element, silently fails.

		if ( editable && element )

			return 0;



		if ( arguments.length ) {

			editable = this._.editable = element ? ( element instanceof CKEDITOR.editable ? element : new CKEDITOR.editable( this, element ) ) :

			// Detach the editable from editor.

			( editable && editable.detach(), null );

		}



		// Just retrieve the editable.

		return editable;

	};



	// Auto-fixing block-less content by wrapping paragraph (#3190), prevent

	// non-exitable-block by padding extra br.(#3189)

	// Returns truly value when dom was changed, falsy otherwise.

	function fixDom( evt ) {

		var editor = evt.editor,

			editable = editor.editable(),

			path = evt.data.path,

			blockLimit = path.blockLimit,

			selection = evt.data.selection,

			range = selection.getRanges()[ 0 ],

			enterMode = editor.config.enterMode;



		if ( CKEDITOR.env.gecko ) {

			// v3: check if this is needed.

			// activateEditing( editor );



			// Ensure bogus br could help to move cursor (out of styles) to the end of block. (#7041)

			var pathBlock = path.block || path.blockLimit || path.root,

				lastNode = pathBlock && pathBlock.getLast( isNotEmpty );



			// Check some specialities of the current path block:

			// 1. It is really displayed as block; (#7221)

			// 2. It doesn't end with one inner block; (#7467)

			// 3. It doesn't have bogus br yet.

			if ( pathBlock && pathBlock.isBlockBoundary() &&

				!( lastNode && lastNode.type == CKEDITOR.NODE_ELEMENT && lastNode.isBlockBoundary() ) &&

				!pathBlock.is( 'pre' ) && !pathBlock.getBogus() ) {



				pathBlock.appendBogus();

			}

		}



		// When we're in block enter mode, a new paragraph will be established

		// to encapsulate inline contents inside editable. (#3657)

		if ( editor.config.autoParagraph !== false &&

		     enterMode != CKEDITOR.ENTER_BR && range.collapsed &&

		     editable.equals( blockLimit ) && !path.block ) {



			var testRng = range.clone();

			testRng.enlarge( CKEDITOR.ENLARGE_BLOCK_CONTENTS );

			var walker = new CKEDITOR.dom.walker( testRng );

			walker.guard = function( node ) {

				return !isNotEmpty( node ) ||

				       node.type == CKEDITOR.NODE_COMMENT ||

				       node.isReadOnly();

			};



			// 1. Inline content discovered under cursor;

			// 2. Empty editable.

			if ( !walker.checkForward() ||

			     testRng.checkStartOfBlock() && testRng.checkEndOfBlock() ) {



				var fixedBlock = range.fixBlock( true, editor.config.enterMode == CKEDITOR.ENTER_DIV ? 'div' : 'p' );



				// For IE, we should remove any filler node which was introduced before.

				if ( CKEDITOR.env.ie ) {

					var first = fixedBlock.getFirst( isNotEmpty );

					if ( first && isNbsp( first ) ) {

						first.remove();

					}

				}



				range.select();

				// Cancel this selection change in favor of the next (correct).  (#6811)

				evt.cancel();

			}

		}

	}



	function blockInputClick( evt ) {

		var element = evt.data.getTarget();

		if ( element.is( 'input' ) ) {

			var type = element.getAttribute( 'type' );

			if ( type == 'submit' || type == 'reset' )

				evt.data.preventDefault();

		}

	}



	function isBlankParagraph( block ) {

		return block.getOuterHtml().match( emptyParagraphRegexp );

	}



	function isNotEmpty( node ) {

		return isNotWhitespace( node ) && isNotBookmark( node );

	}



	function isNbsp( node ) {

		return node.type == CKEDITOR.NODE_TEXT && CKEDITOR.tools.trim( node.getText() ).match( /^(?:&nbsp;|\xa0)$/ );

	}



	// Elements that could blink the cursor anchoring beside it, like hr, page-break. (#6554)

	function nonEditable( element ) {

		return element.isBlockBoundary() && CKEDITOR.dtd.$empty[ element.getName() ];

	}



	function isNotBubbling( fn, src ) {

		return function( evt ) {

			var other = CKEDITOR.dom.element.get( evt.data.$.toElement || evt.data.$.fromElement || evt.data.$.relatedTarget );

			if ( ! ( other && ( src.equals( other ) || src.contains( other ) ) ) )

				fn.call( this, evt );

		};

	}



	// Check if the entire table/list contents is selected.

	function getSelectedTableList( sel ) {

		var selected,

			range = sel.getRanges()[ 0 ],

			editable = sel.root,

			path = range.startPath(),

			structural = { table:1,ul:1,ol:1,dl:1 };



		var isBogus = CKEDITOR.dom.walker.bogus();



		if ( path.contains( structural ) ) {

			// Enlarging the start boundary.

			var walkerRng = range.clone();

			walkerRng.collapse( 1 );

			walkerRng.setStartAt( editable, CKEDITOR.POSITION_AFTER_START );



			var walker = new CKEDITOR.dom.walker( walkerRng ),

				// Check the range is at the inner boundary of the structural element.

				guard = function( walker, isEnd ) {

					return function( node, isWalkOut ) {

						if ( isWalkOut && node.type == CKEDITOR.NODE_ELEMENT && node.is( structural ) )

							selected = node;



						if ( isNotEmpty( node ) && !isWalkOut && !( isEnd && isBogus( node ) ) )

							return false;

					};

				};



			walker.guard = guard( walker );

			walker.checkBackward();

			if ( selected ) {

				walkerRng = range.clone();

				walkerRng.collapse();

				walkerRng.setEndAt( editable, CKEDITOR.POSITION_BEFORE_END );

				walker = new CKEDITOR.dom.walker( walkerRng );

				walker.guard = guard( walker, 1 );

				selected = 0;

				walker.checkForward();

				return selected;

			}

		}



		return null;

	}





	// Matching an empty paragraph at the end of document.

	var emptyParagraphRegexp = /(^|<body\b[^>]*>)\s*<(p|div|address|h\d|center|pre)[^>]*>\s*(?:<br[^>]*>|&nbsp;|\u00A0|&#160;)?\s*(:?<\/\2>)?\s*(?=$|<\/body>)/gi;



	var isNotWhitespace = CKEDITOR.dom.walker.whitespaces( true ),

		isNotBookmark = CKEDITOR.dom.walker.bookmark( false, true );



	CKEDITOR.on( 'instanceLoaded', function( evt ) {

		var editor = evt.editor;



		// and flag that the element was locked by our code so it'll be editable by the editor functions (#6046).

		editor.on( 'insertElement', function( evt ) {

			var element = evt.data;

			if ( element.type == CKEDITOR.NODE_ELEMENT && ( element.is( 'input' ) || element.is( 'textarea' ) ) ) {

				// // The element is still not inserted yet, force attribute-based check.

				if ( element.getAttribute( 'contentEditable' ) != "false" )

					element.data( 'cke-editable', element.hasAttribute( 'contenteditable' ) ? 'true' : '1' );

				element.setAttribute( 'contentEditable', false );

			}

		});



		editor.on( 'selectionChange', function( evt ) {

			if ( editor.readOnly )

				return;



			// Auto fixing on some document structure weakness to enhance usabilities. (#3190 and #3189)

			var sel = editor.getSelection();

			// Do it only when selection is not locked. (#8222)

			if ( sel && !sel.isLocked ) {

				var isDirty = editor.checkDirty();



				// Lock undoM before touching DOM to prevent

				// recording these changes as separate snapshot.

				editor.fire( 'lockSnapshot' );

				fixDom( evt );

				editor.fire( 'unlockSnapshot' );



				!isDirty && editor.resetDirty();

			}

		});

	});





	CKEDITOR.on( 'instanceCreated', function( evt ) {

		var editor = evt.editor;



		editor.on( 'mode', function() {



			var editable = editor.editable();



			// Setup proper ARIA roles and properties for inline editable, framed

			// editable is instead handled by plugin.

			if ( editable && editable.isInline() ) {



				var ariaLabel = editor.title;



				editable.changeAttr( 'role', 'textbox' );

				editable.changeAttr( 'aria-label', ariaLabel );



				if ( ariaLabel )

					editable.changeAttr( 'title', ariaLabel );



				// Put the voice label in different spaces, depending on element mode, so

				// the DOM element get auto detached on mode reload or editor destroy.

				var ct = this.ui.space( this.elementMode == CKEDITOR.ELEMENT_MODE_INLINE ? 'top' : 'contents' );

				if ( ct ) {

					var ariaDescId = CKEDITOR.tools.getNextId(),

						desc = CKEDITOR.dom.element.createFromHtml( '<span id="' + ariaDescId + '" class="cke_voice_label">' + this.lang.common.editorHelp + '</span>' );

					ct.append( desc );

					editable.changeAttr( 'aria-describedby', ariaDescId );

				}

			}

		});

	});



	// #9222: Show text cursor in Gecko.

	// Show default cursor over control elements on all non-IEs.

	CKEDITOR.addCss( '.cke_editable{cursor:text}.cke_editable img,.cke_editable input,.cke_editable textarea{cursor:default}' );



	//

	// Functions related to insertXXX methods

	//

	var insert = (function() {

		'use strict';



		var DTD = CKEDITOR.dtd;



		// Inserts the given (valid) HTML into the range position (with range content deleted),

		// guarantee it's result to be a valid DOM tree.

		function insert( editable, type, data ) {

			var editor = editable.editor,

				doc = editable.getDocument(),

				selection = editor.getSelection(),

				// HTML insertion only considers the first range.

				// Note: getRanges will be overwritten for tests since we want to test

				// 		custom ranges and bypass native selections.

				// TODO what should we do with others? Remove?

				range = selection.getRanges()[ 0 ],

				dontFilter = false;



			if ( type == 'unfiltered_html' ) {

				type = 'html';

				dontFilter = true;

			}



			// Check range spans in non-editable.

			if ( range.checkReadOnly() )

				return;



			// RANGE PREPARATIONS



			var path = new CKEDITOR.dom.elementPath( range.startContainer, range.root ),

				// Let root be the nearest block that's impossible to be split

				// during html processing.

				blockLimit = path.blockLimit || range.root,

				// The "state" value.

				that = {

					type: type,

					dontFilter: dontFilter,

					editable: editable,

					editor: editor,

					range: range,

					blockLimit: blockLimit,

					// During pre-processing / preparations startContainer of affectedRange should be placed

					// in this element in which inserted or moved (in case when we merge blocks) content

					// could create situation that will need merging inline elements.

					// Examples:

					// <div><b>A</b>^B</div> + <b>C</b> => <div><b>A</b><b>C</b>B</div> - affected container is <div>.

					// <p><b>A[B</b></p><p><b>C]D</b></p> + E => <p><b>AE</b></p><p><b>D</b></p> =>

					//		<p><b>AE</b><b>D</b></p> - affected container is <p> (in text mode).

					mergeCandidates: [],

					zombies: []

				};



			prepareRangeToDataInsertion( that );



			// DATA PROCESSING



			// Select range and stop execution.

			// If data has been totally emptied after the filtering,

			// any insertion is pointless (#10339).

			if ( data && processDataForInsertion( that, data ) ) {

				// DATA INSERTION

				insertDataIntoRange( that );

			}



			// FINAL CLEANUP

			// Set final range position and clean up.



			cleanupAfterInsertion( that );



			// Make the final range selection.

			range.select();



			afterInsert( editable );

		}



		// Prepare range to its data deletion.

		// Delete its contents.

		// Prepare it to insertion.

		function prepareRangeToDataInsertion( that ) {

			var range = that.range,

				mergeCandidates = that.mergeCandidates,

				node, marker, path, startPath, endPath, previous, bm;



			// If range starts in inline element then insert a marker, so empty

			// inline elements won't be removed while range.deleteContents

			// and we will be able to move range back into this element.

			// E.g. 'aa<b>[bb</b>]cc' -> (after deleting) 'aa<b><span/></b>cc'

			if ( that.type == 'text' && range.shrink( CKEDITOR.SHRINK_ELEMENT, true, false ) ) {

				marker = CKEDITOR.dom.element.createFromHtml( '<span>&nbsp;</span>', range.document );

				range.insertNode( marker );

				range.setStartAfter( marker );

			}



			// By using path we can recover in which element was startContainer

			// before deleting contents.

			// Start and endPathElements will be used to squash selected blocks, after removing

			// selection contents. See rule 5.

			startPath = new CKEDITOR.dom.elementPath( range.startContainer );

			that.endPath = endPath = new CKEDITOR.dom.elementPath( range.endContainer );



			if ( !range.collapsed ) {

				// Anticipate the possibly empty block at the end of range after deletion.

				node = endPath.block || endPath.blockLimit;

				var ancestor = range.getCommonAncestor();

				if ( node && !( node.equals( ancestor ) || node.contains( ancestor ) ) &&

				     range.checkEndOfBlock() ) {

					that.zombies.push( node );

				}



				range.deleteContents();

			}



			// Rule 4.

			// Move range into the previous block.

			while ( ( previous = getRangePrevious( range ) ) && checkIfElement( previous ) && previous.isBlockBoundary() &&

			// Check if previousNode was parent of range's startContainer before deleteContents.

			startPath.contains( previous ) ) {

				range.moveToPosition( previous, CKEDITOR.POSITION_BEFORE_END );

			}



			// Rule 5.

			mergeAncestorElementsOfSelectionEnds( range, that.blockLimit, startPath, endPath );



			// Rule 1.

			if ( marker ) {

				// If marker was created then move collapsed range into its place.

				range.setEndBefore( marker );

				range.collapse();

				marker.remove();

			}



			// Split inline elements so HTML will be inserted with its own styles.

			path = range.startPath();

			if ( ( node = path.contains( isInline, false, 1 ) ) ) {

				range.splitElement( node );

				that.inlineStylesRoot = node;

				that.inlineStylesPeak = path.lastElement;

			}



			// Record inline merging candidates for later cleanup in place.

			bm = range.createBookmark();



			// 1. Inline siblings.

			node = bm.startNode.getPrevious( isNotEmpty );

			node && checkIfElement( node ) && isInline( node ) && mergeCandidates.push( node );

			node = bm.startNode.getNext( isNotEmpty );

			node && checkIfElement( node ) && isInline( node ) && mergeCandidates.push( node );



			// 2. Inline parents.

			node = bm.startNode;

			while ( ( node = node.getParent() ) && isInline( node ) )

				mergeCandidates.push( node );



			range.moveToBookmark( bm );

		}



		function processDataForInsertion( that, data ) {

			var range = that.range;



			// Rule 8. - wrap entire data in inline styles.

			// (e.g. <p><b>x^z</b></p> + <p>a</p><p>b</p> -> <b><p>a</p><p>b</p></b>)

			// Incorrect tags order will be fixed by htmlDataProcessor.

			if ( that.type == 'text' && that.inlineStylesRoot )

				data = wrapDataWithInlineStyles( data, that );





			var context = that.blockLimit.getName();



			// Wrap data to be inserted, to avoid loosing leading whitespaces

			// when going through the below procedure.

			if ( /^\s+|\s+$/.test( data ) && 'span' in CKEDITOR.dtd[ context ] ) {

				var protect = '<span data-cke-marker="1">&nbsp;</span>';

				data =  protect + data + protect;

			}



			// Process the inserted html, in context of the insertion root.

			// Don't use the "fix for body" feature as auto paragraphing must

			// be handled during insertion.

			data = that.editor.dataProcessor.toHtml( data, null, false, that.dontFilter );





			// Build the node list for insertion.

			var doc = range.document,

				wrapper = doc.createElement( 'body' );



			wrapper.setHtml( data );



			// Eventually remove the temporaries.

			if ( protect ) {

				wrapper.getFirst().remove();

				wrapper.getLast().remove();

			}



			// Rule 7.

			var block = range.startPath().block;

			if ( block &&													// Apply when there exists path block after deleting selection's content...

				!( block.getChildCount() == 1 && block.getBogus() ) ) {		// ... and the only content of this block isn't a bogus.

				stripBlockTagIfSingleLine( wrapper );

			}



			that.dataWrapper = wrapper;



			return data;

		}



		function insertDataIntoRange( that ) {

			var range = that.range,

				doc = range.document,

				path,

				blockLimit = that.blockLimit,

				nodesData, nodeData, node,

				nodeIndex = 0,

				bogus,

				bogusNeededBlocks = [],

				pathBlock, fixBlock,

				splittingContainer = 0,

				dontMoveCaret = 0,

				insertionContainer, toSplit, newContainer,

				startContainer = range.startContainer,

				endContainer = that.endPath.elements[ 0 ],

				filteredNodes,

				// If endContainer was merged into startContainer: <p>a[b</p><p>c]d</p>

				// or it's equal to startContainer: <p>a^b</p>

				// or different situation happened :P

				// then there's no separate container for the end of selection.

				pos = endContainer.getPosition( startContainer ),

				separateEndContainer = !!endContainer.getCommonAncestor( startContainer ) // endC is not detached.

				&& pos != CKEDITOR.POSITION_IDENTICAL && !( pos & CKEDITOR.POSITION_CONTAINS + CKEDITOR.POSITION_IS_CONTAINED ); // endC & endS are in separate branches.



			nodesData = extractNodesData( that.dataWrapper, that );



			removeBrsAdjacentToPastedBlocks( nodesData, range );



			for ( ; nodeIndex < nodesData.length; nodeIndex++ ) {

				nodeData = nodesData[ nodeIndex ];



				// Ignore trailing <brs>

				if ( nodeData.isLineBreak && splitOnLineBreak( range, blockLimit, nodeData ) ) {

					// Do not move caret towards the text (in cleanupAfterInsertion),

					// because caret was placed after a line break.

					dontMoveCaret = nodeIndex > 0;

					continue;

				}



				path = range.startPath();



				// Auto paragraphing.

				if ( !nodeData.isBlock && ( fixBlock = autoParagraphTag( that.editor.config ) ) && !path.block && path.blockLimit && path.blockLimit.equals( range.root ) ) {

					fixBlock = doc.createElement( fixBlock );

					!CKEDITOR.env.ie && fixBlock.appendBogus();

					range.insertNode( fixBlock );

					if ( !CKEDITOR.env.ie && ( bogus = fixBlock.getBogus() ) )

						bogus.remove();

					range.moveToPosition( fixBlock, CKEDITOR.POSITION_BEFORE_END );

				}



				node = range.startPath().block;



				// Remove any bogus element on the current path block for now, and mark

				// it for later compensation.

				if ( node && !node.equals( pathBlock ) ) {

					bogus = node.getBogus();

					if ( bogus ) {

						bogus.remove();

						bogusNeededBlocks.push( node );

					}



					pathBlock = node;

				}



				// First not allowed node reached - start splitting original container

				if ( nodeData.firstNotAllowed )

					splittingContainer = 1;



				if ( splittingContainer && nodeData.isElement ) {

					insertionContainer = range.startContainer;

					toSplit = null;



					// Find the first ancestor that can contain current node.

					// This one won't be split.

					while ( insertionContainer && !DTD[ insertionContainer.getName() ][ nodeData.name ] ) {

						if ( insertionContainer.equals( blockLimit ) ) {

							insertionContainer = null;

							break;

						}



						toSplit = insertionContainer;

						insertionContainer = insertionContainer.getParent();

					}



					// If split has to be done - do it and mark both ends as a possible zombies.

					if ( insertionContainer ) {

						if ( toSplit ) {

							newContainer = range.splitElement( toSplit );

							that.zombies.push( newContainer );

							that.zombies.push( toSplit );

						}

					}

					// Unable to make the insertion happen in place, resort to the content filter.

					else {

						// If everything worked fine insertionContainer == blockLimit here.

						filteredNodes = filterElement( nodeData.node, blockLimit.getName(), !nodeIndex, nodeIndex == nodesData.length - 1 );

					}

				}



				if ( filteredNodes ) {

					while ( ( node = filteredNodes.pop() ) )

						range.insertNode( node );

					filteredNodes = 0;

				} else

					// Insert current node at the start of range.

					range.insertNode( nodeData.node );



				// Move range to the endContainer for the final allowed elements.

				if ( nodeData.lastNotAllowed && nodeIndex < nodesData.length - 1 ) {

					// If separateEndContainer exists move range there.

					// Otherwise try to move range to container created during splitting.

					// If this doesn't work - don't move range.

					newContainer = separateEndContainer ? endContainer : newContainer;

					newContainer && range.setEndAt( newContainer, CKEDITOR.POSITION_AFTER_START );

					splittingContainer = 0;

				}



				// Collapse range after insertion to end.

				range.collapse();

			}



			that.dontMoveCaret = dontMoveCaret;

			that.bogusNeededBlocks = bogusNeededBlocks;

		}



		function cleanupAfterInsertion( that ) {

			var range = that.range,

				node, testRange, parent, movedIntoInline,

				bogusNeededBlocks = that.bogusNeededBlocks,

				// Create a bookmark to defend against the following range deconstructing operations.

				bm = range.createBookmark();



			// Remove all elements that could be created while splitting nodes

			// with ranges at its start|end.

			// E.g. remove <div><p></p></div>

			// But not <div><p> </p></div>

			// And replace <div><p><span data="cke-bookmark"/></p></div> with found bookmark.

			while ( ( node = that.zombies.pop() ) ) {

				// Detached element.

				if ( !node.getParent() )

					continue;



				testRange = range.clone();

				testRange.moveToElementEditStart( node );

				testRange.removeEmptyBlocksAtEnd();

			}



			if ( bogusNeededBlocks ) {

				// Bring back all block bogus nodes.

				while ( ( node = bogusNeededBlocks.pop() ) ) {

					node.append( CKEDITOR.env.ie ? range.document.createText( '\u00a0' ) : range.document.createElement( 'br' ) );

				}

			}



			// Eventually merge identical inline elements.

			while ( ( node = that.mergeCandidates.pop() ) )

				node.mergeSiblings();



			range.moveToBookmark( bm );



			// Rule 3.

			// Shrink range to the BEFOREEND of previous innermost editable node in source order.



			if ( !that.dontMoveCaret ) {

				node = getRangePrevious( range );



				while ( node && checkIfElement( node ) && !node.is( DTD.$empty ) ) {

					if ( node.isBlockBoundary() )

						range.moveToPosition( node, CKEDITOR.POSITION_BEFORE_END );

					else {

						// Don't move into inline element (which ends with a text node)

						// found which contains white-space at its end.

						// If not - move range's end to the end of this element.

						if ( isInline( node ) && node.getHtml().match( /(\s|&nbsp;)$/g ) ) {

							movedIntoInline = null;

							break;

						}



						movedIntoInline = range.clone();

						movedIntoInline.moveToPosition( node, CKEDITOR.POSITION_BEFORE_END );

					}



					node = node.getLast( isNotEmpty );

				}



				movedIntoInline && range.moveToRange( movedIntoInline );

			}



		}



		//

		// HELPERS ------------------------------------------------------------

		//



		function autoParagraphTag( config ) {

			return ( config.enterMode != CKEDITOR.ENTER_BR && config.autoParagraph !== false ) ? config.enterMode == CKEDITOR.ENTER_DIV ? 'div' : 'p' : false;

		}



		function checkIfElement( node ) {

			return node.type == CKEDITOR.NODE_ELEMENT;

		}



		function extractNodesData( dataWrapper, that ) {

			var node, sibling, nodeName, allowed,

				nodesData = [],

				startContainer = that.range.startContainer,

				path = that.range.startPath(),

				allowedNames = DTD[ startContainer.getName() ],

				nodeIndex = 0,

				nodesList = dataWrapper.getChildren(),

				nodesCount = nodesList.count(),

				firstNotAllowed = -1,

				lastNotAllowed = -1,

				lineBreak = 0,

				blockSibling;



			// Selection start within a list.

			var insideOfList = path.contains( DTD.$list );



			for ( ; nodeIndex < nodesCount; ++nodeIndex ) {

				node = nodesList.getItem( nodeIndex );



				if ( checkIfElement( node ) ) {

					nodeName = node.getName();



					// Extract only the list items, when insertion happens

					// inside of a list, reads as rearrange list items. (#7957)

					if ( insideOfList && nodeName in CKEDITOR.dtd.$list ) {

						nodesData = nodesData.concat( extractNodesData( node, that ) );

						continue;

					}



					allowed = !!allowedNames[ nodeName ];



					// Mark <brs data-cke-eol="1"> at the beginning and at the end.

					if ( nodeName == 'br' && node.data( 'cke-eol' ) && ( !nodeIndex || nodeIndex == nodesCount - 1 ) ) {

						sibling = nodeIndex ? nodesData[ nodeIndex - 1 ].node : nodesList.getItem( nodeIndex + 1 );



						// Line break has to have sibling which is not an <br>.

						lineBreak = sibling && ( !checkIfElement( sibling ) || !sibling.is( 'br' ) );

						// Line break has block element as a sibling.

						blockSibling = sibling && checkIfElement( sibling ) && DTD.$block[ sibling.getName() ];

					}



					if ( firstNotAllowed == -1 && !allowed )

						firstNotAllowed = nodeIndex;

					if ( !allowed )

						lastNotAllowed = nodeIndex;



					nodesData.push({

						isElement: 1,

						isLineBreak: lineBreak,

						isBlock: node.isBlockBoundary(),

						hasBlockSibling: blockSibling,

						node: node,

						name: nodeName,

						allowed: allowed

					});



					lineBreak = 0;

					blockSibling = 0;

				} else

					nodesData.push( { isElement:0,node:node,allowed:1 } );

			}



			// Mark first node that cannot be inserted directly into startContainer

			// and last node for which startContainer has to be split.

			if ( firstNotAllowed > -1 )

				nodesData[ firstNotAllowed ].firstNotAllowed = 1;

			if ( lastNotAllowed > -1 )

				nodesData[ lastNotAllowed ].lastNotAllowed = 1;



			return nodesData;

		}



		// TODO: Review content transformation rules on filtering element.

		function filterElement( element, parentName, isFirst, isLast ) {

			var nodes = filterElementInner( element, parentName ),

				nodes2 = [],

				nodesCount = nodes.length,

				nodeIndex = 0,

				node,

				afterSpace = 0,

				lastSpaceIndex = -1;



			// Remove duplicated spaces and spaces at the:

			// * beginnig if filtered element isFirst (isFirst that's going to be inserted)

			// * end if filtered element isLast.

			for ( ; nodeIndex < nodesCount; nodeIndex++ ) {

				node = nodes[ nodeIndex ];



				if ( node == ' ' ) {

					// Don't push doubled space and if it's leading space for insertion.

					if ( !afterSpace && !( isFirst && !nodeIndex ) ) {

						nodes2.push( new CKEDITOR.dom.text( ' ' ) );

						lastSpaceIndex = nodes2.length;

					}

					afterSpace = 1;

				} else {

					nodes2.push( node );

					afterSpace = 0;

				}

			}



			// Remove trailing space.

			if ( isLast && lastSpaceIndex == nodes2.length )

				nodes2.pop();



			return nodes2;

		}



		function filterElementInner( element, parentName ) {

			var nodes = [],

				children = element.getChildren(),

				childrenCount = children.count(),

				child,

				childIndex = 0,

				allowedNames = DTD[ parentName ],

				surroundBySpaces = !element.is( DTD.$inline ) || element.is( 'br' );



			if ( surroundBySpaces )

				nodes.push( ' ' );



			for ( ; childIndex < childrenCount; childIndex++ ) {

				child = children.getItem( childIndex );



				if ( checkIfElement( child ) && !child.is( allowedNames ) )

					nodes = nodes.concat( filterElementInner( child, parentName ) );

				else

					nodes.push( child );

			}



			if ( surroundBySpaces )

				nodes.push( ' ' );



			return nodes;

		}



		function getRangePrevious( range ) {

			return checkIfElement( range.startContainer ) && range.startContainer.getChild( range.startOffset - 1 );

		}



		function isInline( node ) {

			return node && checkIfElement( node ) && ( node.is( DTD.$removeEmpty ) || node.is( 'a' ) && !node.isBlockBoundary() );

		}



		var blockMergedTags = { p:1,div:1,h1:1,h2:1,h3:1,h4:1,h5:1,h6:1,ul:1,ol:1,li:1,pre:1,dl:1,blockquote:1 };



		// See rule 5. in TCs.

		// Initial situation:

		// <ul><li>AA^</li></ul><ul><li>BB</li></ul>

		// We're looking for 2nd <ul>, comparing with 1st <ul> and merging.

		// We're not merging if caret is between these elements.

		function mergeAncestorElementsOfSelectionEnds( range, blockLimit, startPath, endPath ) {

			var walkerRange = range.clone(),

				walker, nextNode, previousNode;



			walkerRange.setEndAt( blockLimit, CKEDITOR.POSITION_BEFORE_END );

			walker = new CKEDITOR.dom.walker( walkerRange );



			if ( ( nextNode = walker.next() ) // Find next source node

			&& checkIfElement( nextNode ) // which is an element

			&& blockMergedTags[ nextNode.getName() ] // that can be merged.

			&& ( previousNode = nextNode.getPrevious() ) // Take previous one

			&& checkIfElement( previousNode ) // which also has to be an element.

			&& !previousNode.getParent().equals( range.startContainer ) // Fail if caret is on the same level.

			// This means that caret is between these nodes.

			&& startPath.contains( previousNode ) // Elements path of start of selection has

			&& endPath.contains( nextNode ) // to contain prevNode and vice versa.

			&& nextNode.isIdentical( previousNode ) ) // Check if elements are identical.

			{

				// Merge blocks and repeat.

				nextNode.moveChildren( previousNode );

				nextNode.remove();

				mergeAncestorElementsOfSelectionEnds( range, blockLimit, startPath, endPath );

			}

		}



		// If last node that will be inserted is a block (but not a <br>)

		// and it will be inserted right before <br> remove this <br>.

		// Do the same for the first element that will be inserted and preceding <br>.

		function removeBrsAdjacentToPastedBlocks( nodesData, range ) {

			var succeedingNode = range.endContainer.getChild( range.endOffset ),

				precedingNode = range.endContainer.getChild( range.endOffset - 1 );



			if ( succeedingNode ) {

				remove( succeedingNode, nodesData[ nodesData.length - 1 ] );

			}

			if ( precedingNode && remove( precedingNode, nodesData[ 0 ] ) ) {

				// If preceding <br> was removed - move range left.

				range.setEnd( range.endContainer, range.endOffset - 1 );

				range.collapse();

			}



			function remove( maybeBr, maybeBlockData ) {

				if ( maybeBlockData.isBlock && maybeBlockData.isElement && !maybeBlockData.node.is( 'br' ) &&

					checkIfElement( maybeBr ) && maybeBr.is( 'br' ) ) {

					maybeBr.remove();

					return 1;

				}

			}

		}



		// Return 1 if <br> should be skipped when inserting, 0 otherwise.

		function splitOnLineBreak( range, blockLimit, nodeData ) {

			var firstBlockAscendant, pos;



			if ( nodeData.hasBlockSibling )

				return 1;



			firstBlockAscendant = range.startContainer.getAscendant( DTD.$block, 1 );

			if ( !firstBlockAscendant || !firstBlockAscendant.is( { div:1,p:1 } ) )

				return 0;



			pos = firstBlockAscendant.getPosition( blockLimit );



			if ( pos == CKEDITOR.POSITION_IDENTICAL || pos == CKEDITOR.POSITION_CONTAINS )

				return 0;



			var newContainer = range.splitElement( firstBlockAscendant );

			range.moveToPosition( newContainer, CKEDITOR.POSITION_AFTER_START );



			return 1;

		}



		var stripSingleBlockTags = { p:1,div:1,h1:1,h2:1,h3:1,h4:1,h5:1,h6:1 },

			inlineButNotBr = CKEDITOR.tools.extend( {}, DTD.$inline );

		delete inlineButNotBr.br;



		// Rule 7.

		function stripBlockTagIfSingleLine( dataWrapper ) {

			var block, children;



			if ( dataWrapper.getChildCount() == 1 && // Only one node bein inserted.

			checkIfElement( block = dataWrapper.getFirst() ) && // And it's an element.

			block.is( stripSingleBlockTags ) ) // That's <p> or <div> or header.

			{

				// Check children not containing block.

				children = block.getElementsByTag( '*' );

				for ( var i = 0, child, count = children.count(); i < count; i++ ) {

					child = children.getItem( i );

					if ( !child.is( inlineButNotBr ) )

						return;

				}



				block.moveChildren( block.getParent( 1 ) );

				block.remove();

			}

		}



		function wrapDataWithInlineStyles( data, that ) {

			var element = that.inlineStylesPeak,

				doc = element.getDocument(),

				wrapper = doc.createText( '{cke-peak}' ),

				limit = that.inlineStylesRoot.getParent();



			while ( !element.equals( limit ) ) {

				wrapper = wrapper.appendTo( element.clone() );

				element = element.getParent();

			}



			// Don't use String.replace because it fails in IE7 if special replacement

			// characters ($$, $&, etc.) are in data (#10367).

			return wrapper.getOuterHtml().split( '{cke-peak}' ).join( data );

		}



		return insert;

	})();



	function beforeInsert( editable ) {

		// TODO: For unknown reason we must call directly on the editable to put the focus immediately.

		editable.editor.focus();



		editable.editor.fire( 'saveSnapshot' );

	}



	function afterInsert( editable, noScroll ) {

		var editor = editable.editor;



		// Scroll using selection, not ranges, to affect native pastes.

		!noScroll && editor.getSelection().scrollIntoView();



		// Save snaps after the whole execution completed.

		// This's a workaround for make DOM modification's happened after

		// 'insertElement' to be included either, e.g. Form-based dialogs' 'commitContents'

		// call.

		setTimeout( function() {

			editor.fire( 'saveSnapshot' );

		}, 0 );

	}



})();



/**

 * Whether the editor must output an empty value (`''`) if it's contents is made

 * by an empty paragraph only.

 *

 *		config.ignoreEmptyParagraph = false;

 *

 * @cfg {Boolean} [ignoreEmptyParagraph=true]

 * @member CKEDITOR.config

 */



/**

 * @event focus

 * @todo

 */



 /**

 * @event blur

 * @todo

 */