//----------------------------------------------------------
// Copyright (C) Microsoft Corporation. All rights reserved.
//----------------------------------------------------------
// PreviewDragDrop.js
Sys.Preview.UI._DragDropManager=function(){};Sys.Preview.UI._DragDropManager.prototype={_instance:null,_events:null,add_dragStart:function(a){this.get_events().addHandler("dragStart",a)},remove_dragStart:function(a){this.get_events().removeHandler("dragStart",a)},get_events:function(){if(!this._events)this._events=new Sys.EventHandlerList;return this._events},add_dragStop:function(a){this.get_events().addHandler("dragStop",a)},remove_dragStop:function(a){this.get_events().removeHandler("dragStop",a)},_getInstance:function(){if(!this._instance){if(Sys.Browser.agent===Sys.Browser.InternetExplorer)this._instance=new Sys.Preview.UI.IEDragDropManager;else this._instance=new Sys.Preview.UI.GenericDragDropManager;this._instance.initialize();this._instance.add_dragStart(Function.createDelegate(this,this._raiseDragStart));this._instance.add_dragStop(Function.createDelegate(this,this._raiseDragStop))}return this._instance},startDragDrop:function(a,b,c){this._getInstance().startDragDrop(a,b,c)},registerDropTarget:function(a){this._getInstance().registerDropTarget(a)},unregisterDropTarget:function(a){this._getInstance().unregisterDropTarget(a)},dispose:function(){delete this._events;Sys.Application.unregisterDisposableObject(this);Sys.Application.removeComponent(this)},_raiseDragStart:function(c,b){var a=this.get_events().getHandler("dragStart");if(a)a(this,b)},_raiseDragStop:function(c,b){var a=this.get_events().getHandler("dragStop");if(a)a(this,b)}};Sys.Preview.UI._DragDropManager.registerClass("Sys.Preview.UI._DragDropManager");Sys.Preview.UI.DragDropManager=new Sys.Preview.UI._DragDropManager;Sys.Preview.UI.DragDropEventArgs=function(c,a,b){this._dragMode=c;this._dataType=a;this._data=b};Sys.Preview.UI.DragDropEventArgs.prototype={get_dragMode:function(){return this._dragMode||null},get_dragDataType:function(){return this._dataType||null},get_dragData:function(){return this._data||null}};Sys.Preview.UI.DragDropEventArgs.registerClass("Sys.Preview.UI.DragDropEventArgs");Sys.Preview.UI.IDragSource=function(){};Sys.Preview.UI.IDragSource.prototype={get_dragDataType:function(){throw Error.notImplemented()},getDragData:function(){throw Error.notImplemented()},get_dragMode:function(){throw Error.notImplemented()},onDragStart:function(){throw Error.notImplemented()},onDrag:function(){throw Error.notImplemented()},onDragEnd:function(){throw Error.notImplemented()}};Sys.Preview.UI.IDragSource.registerInterface("Sys.Preview.UI.IDragSource");Sys.Preview.UI.IDropTarget=function(){};Sys.Preview.UI.IDropTarget.prototype={get_dropTargetElement:function(){throw Error.notImplemented()},canDrop:function(){throw Error.notImplemented()},drop:function(){throw Error.notImplemented()},onDragEnterTarget:function(){throw Error.notImplemented()},onDragLeaveTarget:function(){throw Error.notImplemented()},onDragInTarget:function(){throw Error.notImplemented()}};Sys.Preview.UI.IDropTarget.registerInterface("Sys.Preview.UI.IDropTarget");Sys.Preview.UI.DragMode=function(){throw Error.invalidOperation()};Sys.Preview.UI.DragMode.prototype={Copy:0,Move:1};Sys.Preview.UI.DragMode.registerEnum("Sys.Preview.UI.DragMode");Sys.Preview.UI.IEDragDropManager=function(){Sys.Preview.UI.IEDragDropManager.initializeBase(this)};Sys.Preview.UI.IEDragDropManager.prototype={_dropTargets:null,_radius:10,_activeDragVisual:null,_activeContext:null,_activeDragSource:null,_underlyingTarget:null,_oldOffset:null,_potentialTarget:null,_isDragging:false,_mouseUpHandler:null,_documentMouseMoveHandler:null,_documentDragOverHandler:null,_dragStartHandler:null,_mouseMoveHandler:null,_dragEnterHandler:null,_dragLeaveHandler:null,_dragOverHandler:null,_dropHandler:null,add_dragStart:function(a){this.get_events().addHandler("dragStart",a)},remove_dragStart:function(a){this.get_events().removeHandler("dragStart",a)},add_dragStop:function(a){this.get_events().addHandler("dragStop",a)},remove_dragStop:function(a){this.get_events().removeHandler("dragStop",a)},initialize:function(){Sys.Preview.UI.IEDragDropManager.callBaseMethod(this,"initialize");this._mouseUpHandler=Function.createDelegate(this,this.mouseUpHandler);this._documentMouseMoveHandler=Function.createDelegate(this,this.documentMouseMoveHandler);this._documentDragOverHandler=Function.createDelegate(this,this.documentDragOverHandler);this._dragStartHandler=Function.createDelegate(this,this.dragStartHandler);this._mouseMoveHandler=Function.createDelegate(this,this.mouseMoveHandler);this._dragEnterHandler=Function.createDelegate(this,this.dragEnterHandler);this._dragLeaveHandler=Function.createDelegate(this,this.dragLeaveHandler);this._dragOverHandler=Function.createDelegate(this,this.dragOverHandler);this._dropHandler=Function.createDelegate(this,this.dropHandler)},dispose:function(){if(this._dropTargets){for(var a=0;a<this._dropTargets;a++)this.unregisterDropTarget(this._dropTargets[a]);this._dropTargets=null}Sys.Preview.UI.IEDragDropManager.callBaseMethod(this,"dispose")},startDragDrop:function(b,a,f){var h=window._event;if(this._isDragging)return;this._underlyingTarget=null;this._activeDragSource=b;this._activeDragVisual=a;this._activeContext=f;var e={x:h.clientX,y:h.clientY};a.originalPosition=a.style.position;a.style.position="absolute";document._lastPosition=e;a.startingPoint=e;var i=this.getScrollOffset(a,true);a.startingPoint=this.addPoints(a.startingPoint,i);if(a.style.position=="absolute")a.startingPoint=this.subtractPoints(a.startingPoint,Sys.UI.DomElement.getLocation(a));else{var c=parseInt(a.style.left),d=parseInt(a.style.top);if(isNaN(c))c="0";if(isNaN(d))d="0";a.startingPoint=this.subtractPoints(a.startingPoint,{x:c,y:d})}this._prepareForDomChanges();b.onDragStart();var j=new Sys.Preview.UI.DragDropEventArgs(b.get_dragMode(),b.get_dragDataType(),b.getDragData(f)),g=this.get_events().getHandler("dragStart");if(g)g(this,j);this._recoverFromDomChanges();this._wireEvents();this._drag(true)},_stopDragDrop:function(a){var c=window._event;if(this._activeDragSource){this._unwireEvents();if(!a)a=this._underlyingTarget==null;if(!a&&this._underlyingTarget)this._underlyingTarget.drop(this._activeDragSource.get_dragMode(),this._activeDragSource.get_dragDataType(),this._activeDragSource.getDragData(this._activeContext));this._activeDragSource.onDragEnd(a);var b=this.get_events().getHandler("dragStop");if(b)b(this,Sys.EventArgs.Empty);this._activeDragVisual.style.position=this._activeDragVisual.originalPosition;this._activeDragSource=null;this._activeContext=null;this._activeDragVisual=null;this._isDragging=false;this._potentialTarget=null;c.preventDefault()}},_drag:function(e){var d=window._event,c={x:d.clientX,y:d.clientY};document._lastPosition=c;var f=this.getScrollOffset(this._activeDragVisual,true),a=this.addPoints(this.subtractPoints(c,this._activeDragVisual.startingPoint),f);if(!e&&parseInt(this._activeDragVisual.style.left)==a.x&&parseInt(this._activeDragVisual.style.top)==a.y)return;Sys.UI.DomElement.setLocation(this._activeDragVisual,a.x,a.y);this._prepareForDomChanges();this._activeDragSource.onDrag();this._recoverFromDomChanges();this._potentialTarget=this._findPotentialTarget(this._activeDragSource,this._activeDragVisual);var b=this._potentialTarget!=this._underlyingTarget||this._potentialTarget==null;if(b&&this._underlyingTarget!=null)this._leaveTarget(this._activeDragSource,this._underlyingTarget);if(this._potentialTarget!=null)if(b){this._underlyingTarget=this._potentialTarget;this._enterTarget(this._activeDragSource,this._underlyingTarget)}else this._moveInTarget(this._activeDragSource,this._underlyingTarget);else this._underlyingTarget=null},_wireEvents:function(){Sys.UI.DomEvent.addHandler(document,"mouseup",this._mouseUpHandler);Sys.UI.DomEvent.addHandler(document,"mousemove",this._documentMouseMoveHandler);Sys.UI.DomEvent.addHandler(document.body,"dragover",this._documentDragOverHandler);Sys.UI.DomEvent.addHandler(this._activeDragVisual,"dragstart",this._dragStartHandler);Sys.UI.DomEvent.addHandler(this._activeDragVisual,"dragend",this._mouseUpHandler);Sys.UI.DomEvent.addHandler(this._activeDragVisual,"drag",this._mouseMoveHandler)},_unwireEvents:function(){Sys.UI.DomEvent.removeHandler(this._activeDragVisual,"drag",this._mouseMoveHandler);Sys.UI.DomEvent.removeHandler(this._activeDragVisual,"dragend",this._mouseUpHandler);Sys.UI.DomEvent.removeHandler(this._activeDragVisual,"dragstart",this._dragStartHandler);Sys.UI.DomEvent.removeHandler(document.body,"dragover",this._documentDragOverHandler);Sys.UI.DomEvent.removeHandler(document,"mousemove",this._documentMouseMoveHandler);Sys.UI.DomEvent.removeHandler(document,"mouseup",this._mouseUpHandler)},registerDropTarget:function(a){if(!this._dropTargets)this._dropTargets=[];Array.add(this._dropTargets,a);this._wireDropTargetEvents(a)},unregisterDropTarget:function(a){this._unwireDropTargetEvents(a);if(this._dropTargets)Array.remove(this._dropTargets,a)},_wireDropTargetEvents:function(b){var a=b.get_dropTargetElement();a._dropTarget=b;Sys.UI.DomEvent.addHandler(a,"dragenter",this._dragEnterHandler);Sys.UI.DomEvent.addHandler(a,"dragleave",this._dragLeaveHandler);Sys.UI.DomEvent.addHandler(a,"dragover",this._dragOverHandler);Sys.UI.DomEvent.addHandler(a,"drop",this._dropHandler)},_unwireDropTargetEvents:function(b){var a=b.get_dropTargetElement();a._dropTarget=null;Sys.UI.DomEvent.removeHandler(a,"dragenter",this._dragEnterHandler);Sys.UI.DomEvent.removeHandler(a,"dragleave",this._dragLeaveHandler);Sys.UI.DomEvent.removeHandler(a,"dragover",this._dragOverHandler);Sys.UI.DomEvent.removeHandler(a,"drop",this._dropHandler)},dragStartHandler:function(d){window._event=d;document.selection.empty();var c=d.dataTransfer;if(!c)c=d.rawEvent.dataTransfer;var b=this._activeDragSource.get_dragDataType().toLowerCase(),a=this._activeDragSource.getDragData(this._activeContext);if(a){if(b!="text"&&b!="url"){b="text";if(a.innerHTML!=null)a=a.innerHTML}c.effectAllowed="move";c.setData(b,a.toString())}},mouseUpHandler:function(a){window._event=a;this._stopDragDrop(false)},documentMouseMoveHandler:function(a){window._event=a;this._dragDrop()},documentDragOverHandler:function(a){window._event=a;if(this._potentialTarget)a.preventDefault()},mouseMoveHandler:function(a){window._event=a;this._drag()},dragEnterHandler:function(c){window._event=c;if(this._isDragging)c.preventDefault();else{var b=Sys.Preview.UI.IEDragDropManager._getDataObjectsForDropTarget(this._getDropTarget(c.target));for(var a=0;a<b.length;a++)this._dropTarget.onDragEnterTarget(Sys.Preview.UI.DragMode.Copy,b[a].type,b[a].value)}},dragLeaveHandler:function(c){window._event=c;if(this._isDragging)c.preventDefault();else{var b=Sys.Preview.UI.IEDragDropManager._getDataObjectsForDropTarget(this._getDropTarget(c.target));for(var a=0;a<b.length;a++)this._dropTarget.onDragLeaveTarget(Sys.Preview.UI.DragMode.Copy,b[a].type,b[a].value)}},dragOverHandler:function(c){window._event=c;if(this._isDragging)c.preventDefault();else{var b=Sys.Preview.UI.IEDragDropManager._getDataObjectsForDropTarget(this._getDropTarget(c.target));for(var a=0;a<b.length;a++)this._dropTarget.onDragInTarget(Sys.Preview.UI.DragMode.Copy,b[a].type,b[a].value)}},dropHandler:function(c){window._event=c;if(!this._isDragging){var b=Sys.Preview.UI.IEDragDropManager._getDataObjectsForDropTarget(this._getDropTarget(c.target));for(var a=0;a<b.length;a++)this._dropTarget.drop(Sys.Preview.UI.DragMode.Copy,b[a].type,b[a].value)}c.preventDefault()},_getDropTarget:function(a){while(a){if(a._dropTarget!=null)return a._dropTarget;a=a.parentNode}return null},_dragDrop:function(){if(this._isDragging)return;this._isDragging=true;this._activeDragVisual.dragDrop();document.selection.empty()},_moveInTarget:function(a,b){this._prepareForDomChanges();b.onDragInTarget(a.get_dragMode(),a.get_dragDataType(),a.getDragData(this._activeContext));this._recoverFromDomChanges()},_enterTarget:function(a,b){this._prepareForDomChanges();b.onDragEnterTarget(a.get_dragMode(),a.get_dragDataType(),a.getDragData(this._activeContext));this._recoverFromDomChanges()},_leaveTarget:function(a,b){this._prepareForDomChanges();b.onDragLeaveTarget(a.get_dragMode(),a.get_dragDataType(),a.getDragData(this._activeContext));this._recoverFromDomChanges()},_findPotentialTarget:function(a){var f=window._event;if(!this._dropTargets)return null;var m=a.get_dragDataType(),l=a.get_dragMode(),k=a.getDragData(this._activeContext),d=this.getScrollOffset(document.body,true),n=f.clientX+d.x,o=f.clientY+d.y,g={x:n-this._radius,y:o-this._radius,width:this._radius*2,height:this._radius*2};for(var c=0;c<this._dropTargets.length;c++){var b=this._dropTargets[c],j=b.canDrop(l,m,k);if(!j)continue;var e=b.get_dropTargetElement(),h=Sys.UI.DomElement.getBounds(e),i=Sys.UI.Control.overlaps(g,h);if(i||e===document.body)return b}return null},_prepareForDomChanges:function(){this._oldOffset=Sys.UI.DomElement.getLocation(this._activeDragVisual)},_recoverFromDomChanges:function(){var a=Sys.UI.DomElement.getLocation(this._activeDragVisual);if(this._oldOffset.x!=a.x||this._oldOffset.y!=a.y){this._activeDragVisual.startingPoint=this.subtractPoints(this._activeDragVisual.startingPoint,this.subtractPoints(this._oldOffset,a));scrollOffset=this.getScrollOffset(this._activeDragVisual,true);var b=this.addPoints(this.subtractPoints(document._lastPosition,this._activeDragVisual.startingPoint),scrollOffset);Sys.UI.DomElement.setLocation(this._activeDragVisual,b.x,b.y)}},addPoints:function(a,b){return {x:a.x+b.x,y:a.y+b.y}},subtractPoints:function(a,b){return {x:a.x-b.x,y:a.y-b.y}},getScrollOffset:function(b,e){var c=b.scrollLeft,d=b.scrollTop;if(e){var a=b.parentNode;while(a!=null&&a.scrollLeft!=null){c+=a.scrollLeft;d+=a.scrollTop;if(a==document.body&&(c!=0&&d!=0))break;a=a.parentNode}}return {x:c,y:d}},getBrowserRectangle:function(){var b=window.innerWidth,a=window.innerHeight;if(b==null)b=document.body.clientWidth;if(a==null)a=document.body.clientHeight;return {x:0,y:0,width:b,height:a}},getNextSibling:function(a){for(a=a.nextSibling;a!=null;a=a.nextSibling)if(a.innerHTML!=null)return a;return null},hasParent:function(a){return a.parentNode!=null&&a.parentNode.tagName!=null}};Sys.Preview.UI.IEDragDropManager.registerClass("Sys.Preview.UI.IEDragDropManager",Sys.Component);Sys.Preview.UI.IEDragDropManager._getDataObjectsForDropTarget=function(f){if(f==null)return [];var g=window._event,e=[],b=["URL","Text"],c;for(var a=0;a<b.length;a++){var d=g.dataTransfer;if(!d)d=g.rawEvent.dataTransfer;c=d.getData(b[a]);if(f.canDrop(Sys.Preview.UI.DragMode.Copy,b[a],c))if(c)Array.add(e,{type:b[a],value:c})}return e};Sys.Preview.UI.GenericDragDropManager=function(){Sys.Preview.UI.GenericDragDropManager.initializeBase(this)};Sys.Preview.UI.GenericDragDropManager.prototype={_scrollEdgeConst:40,_scrollByConst:10,_scroller:null,_scrollDeltaX:null,_scrollDeltaY:null,_activeDragVisual:null,_activeContext:null,_activeDragSource:null,_mouseUpHandler:null,_mouseMoveHandler:null,_keyPressHandler:null,initialize:function(){Sys.Preview.UI.GenericDragDropManager.callBaseMethod(this,"initialize");this._mouseUpHandler=Function.createDelegate(this,this.mouseUpHandler);this._mouseMoveHandler=Function.createDelegate(this,this.mouseMoveHandler);this._keyPressHandler=Function.createDelegate(this,this.keyPressHandler);if(Sys.Browser.agent===Sys.Browser.Safari)Sys.Preview.UI.GenericDragDropManager.__loadSafariCompatLayer(this);this._scroller=new Sys.Preview.Timer;this._scroller.set_interval(10);this._scroller.add_tick(Function.createDelegate(this,this.scrollerTickHandler))},startDragDrop:function(a,b,c){this._activeDragSource=a;this._activeDragVisual=b;this._activeContext=c;Sys.Preview.UI.GenericDragDropManager.callBaseMethod(this,"startDragDrop",[a,b,c])},_stopDragDrop:function(a){this._scroller.set_enabled(false);Sys.Preview.UI.GenericDragDropManager.callBaseMethod(this,"_stopDragDrop",[a])},_drag:function(a){Sys.Preview.UI.GenericDragDropManager.callBaseMethod(this,"_drag",[a]);this._autoScroll()},_wireEvents:function(){Sys.UI.DomEvent.addHandler(document,"mouseup",this._mouseUpHandler);Sys.UI.DomEvent.addHandler(document,"mousemove",this._mouseMoveHandler);Sys.UI.DomEvent.addHandler(document,"keypress",this._keyPressHandler)},_unwireEvents:function(){Sys.UI.DomEvent.removeHandler(document,"keypress",this._keyPressHandler);Sys.UI.DomEvent.removeHandler(document,"mousemove",this._mouseMoveHandler);Sys.UI.DomEvent.removeHandler(document,"mouseup",this._mouseUpHandler)},_wireDropTargetEvents:function(){},_unwireDropTargetEvents:function(){},mouseUpHandler:function(a){window._event=a;this._stopDragDrop(false)},mouseMoveHandler:function(a){window._event=a;this._drag()},keyPressHandler:function(a){window._event=a;var b=a.keyCode?a.keyCode:a.rawEvent.keyCode;if(b==27)this._stopDragDrop(true)},_autoScroll:function(){var b=window._event,a=this.getBrowserRectangle();if(a.width>0){this._scrollDeltaX=this._scrollDeltaY=0;if(b.clientX<a.x+this._scrollEdgeConst)this._scrollDeltaX=-this._scrollByConst;else if(b.clientX>a.width-this._scrollEdgeConst)this._scrollDeltaX=this._scrollByConst;if(b.clientY<a.y+this._scrollEdgeConst)this._scrollDeltaY=-this._scrollByConst;else if(b.clientY>a.height-this._scrollEdgeConst)this._scrollDeltaY=this._scrollByConst;if(this._scrollDeltaX!=0||this._scrollDeltaY!=0)this._scroller.set_enabled(true);else this._scroller.set_enabled(false)}},scrollerTickHandler:function(){var d=document.body.scrollLeft,f=document.body.scrollTop;window.scrollBy(this._scrollDeltaX,this._scrollDeltaY);var c=document.body.scrollLeft,e=document.body.scrollTop,a=this._activeDragVisual,b={x:parseInt(a.style.left)+(c-d),y:parseInt(a.style.top)+(e-f)};Sys.UI.DomElement.setLocation(a,b.x,b.y)}};Sys.Preview.UI.GenericDragDropManager.registerClass("Sys.Preview.UI.GenericDragDropManager",Sys.Preview.UI.IEDragDropManager);if(Sys.Browser.agent===Sys.Browser.Safari)Sys.Preview.UI.GenericDragDropManager.__loadSafariCompatLayer=function(a){a._getScrollOffset=a.getScrollOffset;a.getScrollOffset=function(){return {x:0,y:0}};a._getBrowserRectangle=a.getBrowserRectangle;a.getBrowserRectangle=function(){var b=a._getBrowserRectangle(),c=a._getScrollOffset(document.body,true);return {x:b.x+c.x,y:b.y+c.y,width:b.width+c.x,height:b.height+c.y}}};Sys.Preview.UI.RepeatDirection=function(){throw Error.invalidOperation()};Sys.Preview.UI.RepeatDirection.prototype={Horizontal:0,Vertical:1};Sys.Preview.UI.RepeatDirection.registerEnum("Sys.Preview.UI.RepeatDirection");Sys.Preview.UI.DragDropList=function(a){Sys.Preview.UI.DragDropList.initializeBase(this,[a]);this._acceptedDataTypes=[]};Sys.Preview.UI.DragDropList.prototype={_isDragging:null,_dataType:null,_dragMode:null,_dragVisual:null,_direction:Sys.Preview.UI.RepeatDirection.Vertical,_emptyTemplate:null,_emptyTemplateInstance:null,_dropCueTemplate:null,_dropCueTemplateInstance:null,_floatContainerInstance:null,_originalParent:null,_originalNextSibling:null,_originalZIndex:null,_currentContext:null,_data:null,get_data:function(){return this._data},set_data:function(a){this._data=a},initialize:function(){Sys.Preview.UI.DragDropList.callBaseMethod(this,"initialize");this.get_element().__dragDropList=this;Sys.Preview.UI.DragDropManager.registerDropTarget(this)},startDragDrop:function(c,b,a){if(!this._isDragging){this._isDragging=true;this._currentContext=b;if(!a)a=this.createDragVisual(c);else this._dragVisual=a;Sys.Preview.UI.DragDropManager.startDragDrop(this,a,b)}},createDragVisual:function(a){if(this._dragMode===Sys.Preview.UI.DragMode.Copy)this._dragVisual=a.cloneNode(true);else this._dragVisual=a;var e=Sys.Preview.UI.DragDropManager._getInstance().getScrollOffset(a,true);this._dragVisual.style.width=a.offsetWidth+"px";this._dragVisual.style.height=a.offsetHeight+"px";this._dragVisual.style.opacity="0.4";this._dragVisual.style.filter="progid:DXImageTransform.Microsoft.BasicImage(opacity=0.4);";this._originalZIndex=this._dragVisual.style.zIndex;this._dragVisual.style.zIndex=99999;this._originalParent=this._dragVisual.parentNode;this._originalNextSibling=Sys.Preview.UI.DragDropManager._getInstance().getNextSibling(this._dragVisual);var f=Sys.Preview.UI.DragDropManager._getInstance(),c=Sys.UI.DomElement.getLocation(a),b=this._getFloatContainer();Sys.UI.DomElement.setLocation(b,c.x,c.y);if(Sys.Preview.UI.DragDropManager._getInstance().hasParent(this._dragVisual))this._dragVisual.parentNode.removeChild(this._dragVisual);b.appendChild(this._dragVisual);var d=f.getScrollOffset(a,true);if(e.x!==d.x||e.y!==d.y){var h=f.subtractPoints(e,d),g=f.subtractPoints(c,h);Sys.UI.DomElement.setLocation(b,g.x,g.y)}return b},get_emptyTemplate:function(){return this._emptyTemplate},set_emptyTemplate:function(a){this._emptyTemplate=a},get_dragDataType:function(){return this._dataType},set_dragDataType:function(a){this._dataType=a},getDragData:function(a){return a},get_dragMode:function(){return this._dragMode},set_dragMode:function(a){this._dragMode=a},dispose:function(){this.get_element().__dragDropList=null;Sys.Preview.UI.DragDropList.callBaseMethod(this,"dispose")},onDragStart:function(){this._validate()},onDrag:function(){},onDragEnd:function(b){if(this._floatContainerInstance){if(this._dragMode===Sys.Preview.UI.DragMode.Copy)this._floatContainerInstance.removeChild(this._dragVisual);else{this._dragVisual.style.opacity="0.999";this._dragVisual.style.filter="";this._dragVisual.style.zIndex=this._originalZIndex?this._originalZIndex:0;if(b){this._dragVisual.parentNode.removeChild(this._dragVisual);if(this._originalNextSibling!=null)this._originalParent.insertBefore(this._dragVisual,this._originalNextSibling);else this._originalParent.appendChild(this._dragVisual)}else if(this._dragVisual.parentNode===this._floatContainerInstance)this._dragVisual.parentNode.removeChild(this._dragVisual)}document.body.removeChild(this._floatContainerInstance)}else this._dragVisual.parentNode.removeChild(this._dragVisual);if(!b&&this._data&&this._dragMode===Sys.Preview.UI.DragMode.Move){var a=this.getDragData(this._currentContext);if(this._data&&a)if(Sys.Preview.Data.IData.isImplementedBy(this._data))this._data.remove(a);else if(this._data instanceof Array)if(typeof this._data.remove==="function")this._data.remove(a);else Array.remove(this._data,a)}this._isDragging=false;this._validate()},get_direction:function(){return this._direction},set_direction:function(a){this._direction=a},get_acceptedDataTypes:function(){return this._acceptedDataTypes},set_acceptedDataTypes:function(a){this._acceptedDataTypes=a},get_dropCueTemplate:function(){return this._dropCueTemplate},set_dropCueTemplate:function(a){this._dropCueTemplate=a},get_dropTargetElement:function(){return this.get_element()},canDrop:function(c,b){for(var a=0;a<this._acceptedDataTypes.length;a++)if(this._acceptedDataTypes[a]===b)return true;return false},drop:function(e,d,a){if(d==="HTML"&&e===Sys.Preview.UI.DragMode.Move){dragVisual=a;var c=this._findPotentialNextSibling(dragVisual);this._setDropCueVisible(false,dragVisual);dragVisual.parentNode.removeChild(dragVisual);if(c)this.get_element().insertBefore(dragVisual,c);else this.get_element().appendChild(dragVisual)}else this._setDropCueVisible(false);if(this._data&&a){var b=a;if(Sys.Preview.Data.DataRow.isInstanceOfType(a)&&Sys.Preview.Data.DataTable.isInstanceOfType(this._data)){var f=a.get_table();if(f)b=this._data.createRow(a)}if(Sys.Preview.Data.IData.isImplementedBy(this._data))this._data.add(b);else if(this._data instanceof Array)if(typeof this._data.add==="function")this._data.add(b);else Array.add(this._data,b)}},onDragEnterTarget:function(c,a,b){if(a==="HTML"){this._setDropCueVisible(true,b);this._validate()}},onDragLeaveTarget:function(b,a){if(a==="HTML"){this._setDropCueVisible(false);this._validate()}},onDragInTarget:function(c,a,b){if(a==="HTML")this._setDropCueVisible(true,b)},_setDropCueVisible:function(d,b){if(this._dropCueTemplate)if(d){if(!this._dropCueTemplateInstance){var c=document.createDocumentFragment();this._dropCueTemplateInstance=this._dropCueTemplate.createInstance(c).instanceElement}var a=this._findPotentialNextSibling(b);if(!Sys.Preview.UI.DragDropManager._getInstance().hasParent(this._dropCueTemplateInstance)){if(a)this.get_element().insertBefore(this._dropCueTemplateInstance,a);else this.get_element().appendChild(this._dropCueTemplateInstance);this._dropCueTemplateInstance.style.width=b.offsetWidth+"px";this._dropCueTemplateInstance.style.height=b.offsetHeight+"px"}else if(Sys.Preview.UI.DragDropManager._getInstance().getNextSibling(this._dropCueTemplateInstance)!==a){this.get_element().removeChild(this._dropCueTemplateInstance);if(a)this.get_element().insertBefore(this._dropCueTemplateInstance,a);else this.get_element().appendChild(this._dropCueTemplateInstance)}}else if(this._dropCueTemplateInstance&&Sys.Preview.UI.DragDropManager._getInstance().hasParent(this._dropCueTemplateInstance))this.get_element().removeChild(this._dropCueTemplateInstance)},_findPotentialNextSibling:function(e){var c=Sys.UI.DomElement.getBounds(e),d=this._direction===Sys.Preview.UI.RepeatDirection.Vertical,b;for(var a=this.get_element().firstChild;a!==null;a=a.nextSibling)if(a.innerHTML&&a!==this._dropCueTemplateInstance&&a!==this._emptyTemplateInstance){b=Sys.UI.DomElement.getBounds(a);if(!d&&c.x<=b.x||d&&c.y<=b.y)return a}return null},_validate:function(){var b=this._dropCueTemplateInstance==null||!Sys.Preview.UI.DragDropManager._getInstance().hasParent(this._dropCueTemplateInstance),c=0;for(var a=this.get_element().firstChild;a!==null;a=a.nextSibling)if(a.innerHTML&&a!==this._emptyTemplateInstance&&a!==this._dropCueTemplateInstance)c++;if(c>0)b=false;this._setEmptyTemplateVisible(b)},_setEmptyTemplateVisible:function(a){if(this._emptyTemplate)if(a){if(!this._emptyTemplateInstance)this._emptyTemplateInstance=this._emptyTemplate.createInstance(this.get_element()).instanceElement;else if(!Sys.Preview.UI.DragDropManager._getInstance().hasParent(this._emptyTemplateInstance))this.get_element().appendChild(this._emptyTemplateInstance)}else if(this._emptyTemplateInstance&&Sys.Preview.UI.DragDropManager._getInstance().hasParent(this._emptyTemplateInstance))this.get_element().removeChild(this._emptyTemplateInstance)},_getFloatContainer:function(){if(!this._floatContainerInstance){this._floatContainerInstance=document.createElement(this.get_element().tagName);var a="0px 0px 0px 0px";this._floatContainerInstance.style.position="absolute";this._floatContainerInstance.style.padding=a;this._floatContainerInstance.style.margin=a;document.body.appendChild(this._floatContainerInstance)}else if(!Sys.Preview.UI.DragDropManager._getInstance().hasParent(this._floatContainerInstance))document.body.appendChild(this._floatContainerInstance);return this._floatContainerInstance}};Sys.Preview.UI.DragDropList.descriptor={properties:[{name:"acceptedDataTypes",type:Array},{name:"data",type:Object},{name:"dragDataType",type:String},{name:"emptyTemplate",type:Sys.Preview.UI.ITemplate},{name:"dropCueTemplate",type:Sys.Preview.UI.ITemplate},{name:"dropTargetElement",type:Object,readOnly:true},{name:"direction",type:Sys.Preview.UI.RepeatDirection},{name:"dragMode",type:Sys.Preview.UI.DragMode}]};Sys.Preview.UI.DragDropList.registerClass("Sys.Preview.UI.DragDropList",Sys.UI.Behavior,Sys.Preview.UI.IDragSource,Sys.Preview.UI.IDropTarget,Sys.IDisposable);Sys.Preview.UI.DataSourceDropTarget=function(a){Sys.Preview.UI.DataSourceDropTarget.initializeBase(this,[a])};Sys.Preview.UI.DataSourceDropTarget.prototype={_control:null,_acceptedDataTypes:null,_append:true,_target:null,_property:"data",get_append:function(){return this._append},set_append:function(a){this._append=a},get_target:function(){return this._target},set_target:function(a){this._target=a},get_property:function(){return this._property},set_property:function(a){this._property=a},get_acceptedDataTypes:function(){return this._acceptedDataTypes},set_acceptedDataTypes:function(a){this._acceptedDataTypes=a},initialize:function(){Sys.Preview.UI.DataSourceDropTarget.callBaseMethod(this,"initialize");this._control=Sys.Application.findComponent(this.get_element().id);Sys.Preview.UI.DragDropManager.registerDropTarget(this)},get_dropTargetElement:function(){return this.get_element()},canDrop:function(c,b){for(var a=0;a<this._acceptedDataTypes.length;a++)if(this._acceptedDataTypes[a]===b)return true;return false},drop:function(e,f,d){if(d){var a,c=this._target?this._target:this._control;if(this._append){a=c["get_"+this._property];if(a){var b=a.call(c);if(b){if(Sys.Preview.Data.IData.isImplementedBy(b))b.add(d);else if(b instanceof Array)if(typeof b.add==="function")b.add(d);else Array.add(b,d)}else{a=c["set_"+this._property];if(a)a.call(c,d)}}}else{a=c["set_"+this._property];if(a)a.call(c,d)}}},onDragEnterTarget:function(){},onDragLeaveTarget:function(){},onDragInTarget:function(){}};Sys.Preview.UI.DataSourceDropTarget.descriptor={properties:[{name:"acceptedDataTypes",type:Array},{name:"append",type:Boolean},{name:"dropTargetElement",type:Object,readOnly:true},{name:"target",type:Object},{name:"property",type:String}]};Sys.Preview.UI.DataSourceDropTarget.registerClass("Sys.Preview.UI.DataSourceDropTarget",Sys.UI.Behavior,Sys.Preview.UI.IDropTarget);Sys.Preview.UI.DraggableListItem=function(e){Sys.Preview.UI.DraggableListItem.initializeBase(this,[e]);var d,a,c,b;this.get_data=function(){if(d==null){var a=this._findDragSource();if(a!=null&&a.get_dragDataType()=="HTML")return this.get_element()}return d};this.set_data=function(a){d=a};this.get_handle=function(){return a};this.set_handle=function(b){if(a!=null){Sys.UI.DomEvent.removeHandler(a,"mousedown",this._handleMouseDown);a.__draggableBehavior=null}if(b.element)b=b.element;a=b;a.__draggableBehavior=this;Sys.UI.DomEvent.addHandler(a,"mousedown",this._handleMouseDown);a.__draggableBehavior=this};this.get_dragVisualTemplate=function(){return c};this.set_dragVisualTemplate=function(a){c=a};this._handleMouseDown=function(b){window._event=b;a.__draggableBehavior._handleMouseDownInternal()};this._handleMouseDownInternal=function(){var b=window._event;if(b.button<=1){var a=this._findDragSource();if(a!=null){var c=this._createDragVisual();a.startDragDrop(this.get_element(),this.get_data(),c);b.preventDefault()}}};this._createDragVisual=function(){var d=window._event;if(c!=null){if(b==null)b=c.createInstance(this.get_element()).instanceElement;else if(!Sys.Preview.UI.DragDropManager._getInstance().hasParent(b))this.get_element().appendChild(b);var a={x:d.clientX,y:d.clientY};a=Sys.Preview.UI.DragDropManager._getInstance().addPoints(a,Sys.Preview.UI.DragDropManager._getInstance().getScrollOffset(document.body,true));Sys.UI.DomElement.setLocation(b,a.x,a.y)}return b};this._findDragSource=function(){var a=this.get_element();while(a!=null){if(a.__dragDropList!=null)return a.__dragDropList;a=a.parentNode}return null}};Sys.Preview.UI.DraggableListItem.descriptor={properties:[{name:"data",type:Object},{name:"handle",isDomElement:true},{name:"dragVisualTemplate",type:Sys.Preview.UI.ITemplate}]};Sys.Preview.UI.DraggableListItem.registerClass("Sys.Preview.UI.DraggableListItem",Sys.UI.Behavior);Sys.Preview.UI.FloatingBehavior=function(a){Sys.Preview.UI.FloatingBehavior.initializeBase(this,[a]);this._mouseDownHandler=Function.createDelegate(this,this.mouseDownHandler)};Sys.Preview.UI.FloatingBehavior.prototype={_handle:null,_location:null,_dragStartLocation:null,_profileProperty:null,_profileComponent:null,add_move:function(a){this.get_events().addHandler("move",a)},remove_move:function(a){this.get_events().removeHandler("move",a)},get_handle:function(){return this._handle},set_handle:function(a){if(this._handle)Sys.UI.DomEvent.removeHandler(this._handle,"mousedown",this._mouseDownHandler);this._handle=a;Sys.UI.DomEvent.addHandler(this._handle,"mousedown",this._mouseDownHandler)},get_profileProperty:function(){return this._profileProperty},set_profileProperty:function(a){this._profileProperty=a},get_profileComponent:function(){return this._profileComponent},set_profileComponent:function(a){this._profileComponent=a},get_location:function(){return this._location},set_location:function(c){if(this._location!=c){this._location=c;if(this.get_isInitialized()){var b=this._location.split(","),a={x:parseInt(b[0]),y:parseInt(b[1])};Sys.UI.DomElement.setLocation(this.get_element(),a.x,a.y)}this.raisePropertyChanged("location")}},initialize:function(){Sys.Preview.UI.FloatingBehavior.callBaseMethod(this,"initialize");Sys.Preview.UI.DragDropManager.registerDropTarget(this);var a=this.get_element(),d;if(this._location){var f=this._location.split(",");d={x:parseInt(f[0]),y:parseInt(f[1])}}else d=Sys.UI.DomElement.getLocation(a);if(a.offsetWidth)a.style.width=a.offsetWidth+"px";if(a.offsetHeight)a.style.height=a.offsetHeight+"px";a.style.position="absolute";Sys.UI.DomElement.setLocation(a,d.x,d.y);var g=this.get_profileProperty();if(g){var b=new Sys.Preview.Binding;b.beginUpdate();b.set_target(this);b.set_property("location");var e=this.get_profileComponent();if(!e)e=Sys.Preview.Services.Components.Profile.instance;b.set_dataContext(e);b.set_dataPath(g);b.set_direction(Sys.Preview.BindingDirection.InOut);var c=new Sys.Preview.InvokeMethodAction;c.beginUpdate();c.set_eventSource(e);c.set_eventName("loadComplete");c.set_target(b);c.set_method("evaluateIn");c.endUpdate();b.endUpdate();this._binding=b;this._action=c}},dispose:function(){Sys.Preview.UI.DragDropManager.unregisterDropTarget(this);if(this._handle&&this._mouseDownHandler)Sys.UI.DomEvent.removeHandler(this._handle,"mousedown",this._mouseDownHandler);this._mouseDownHandler=null;Sys.Preview.UI.FloatingBehavior.callBaseMethod(this,"dispose")},checkCanDrag:function(a){var c=["input","button","select","textarea","label"],b=a.tagName;if(b.toLowerCase()=="a"&&a.href!=null&&a.href.length>0)return false;if(Array.indexOf(c,b.toLowerCase())>-1)return false;return true},mouseDownHandler:function(a){window._event=a;var b=this.get_element();if(this.checkCanDrag(a.target)){this._dragStartLocation=Sys.UI.DomElement.getLocation(b);a.preventDefault();this.startDragDrop(b)}},get_dragDataType:function(){return "_floatingObject"},getDragData:function(){return null},get_dragMode:function(){return Sys.Preview.UI.DragMode.Move},onDragStart:function(){},onDrag:function(){},onDragEnd:function(a){if(!a){var d=this.get_events().getHandler("move");if(d){var b=new Sys.CancelEventArgs;d(this,b);a=b.get_cancel()}}var e=this.get_element();if(a)Sys.UI.DomElement.setLocation(e,this._dragStartLocation.x,this._dragStartLocation.y);else{var c=Sys.UI.DomElement.getLocation(e);this._location=c.x+","+c.y;this.raisePropertyChanged("location")}},startDragDrop:function(a){Sys.Preview.UI.DragDropManager.startDragDrop(this,a,null)},get_dropTargetElement:function(){return document.body},canDrop:function(b,a){return a==="_floatingObject"},drop:function(){},onDragEnterTarget:function(){},onDragLeaveTarget:function(){},onDragInTarget:function(){}};Sys.Preview.UI.FloatingBehavior.descriptor={properties:[{name:"profileProperty",type:String},{name:"profileComponent",type:Object},{name:"dragData",type:Object,readOnly:true},{name:"dragDataType",type:String,readOnly:true},{name:"dragMode",type:Sys.Preview.UI.DragMode,readOnly:true},{name:"dropTargetElement",type:Object,readOnly:true},{name:"handle",isDomElement:true},{name:"location",type:String}],events:[{name:"move"}]};Sys.Preview.UI.FloatingBehavior.registerClass("Sys.Preview.UI.FloatingBehavior",Sys.UI.Behavior,Sys.Preview.UI.IDragSource,Sys.Preview.UI.IDropTarget,Sys.IDisposable);Sys.UI.Control.overlaps=function(a,b){var g=a.x>=b.x&&a.x<=b.x+b.width,e=a.x+a.width>=b.x&&a.x+a.width<=b.x+b.width,c=a.x<b.x&&a.x+a.height>b.x+b.height,h=a.y>=b.y&&a.y<=b.y+b.height,f=a.y+a.height>=b.y&&a.y+a.height<=b.y+b.height,d=a.y<b.y&&a.y+a.height>b.y+b.height;if((g||e||c)&&(h||f||d))return true;return false};
if(typeof(Sys)!=='undefined')Sys.Application.notifyScriptLoaded();