dragdrop.js

ext js demo ext学习资料

Ext.dd.DropTarget=function(el,_2){this.el=Ext.get(el);Ext.apply(this,_2);if(this.containerScroll){Ext.dd.ScrollManager.register(this.el);}Ext.dd.DropTarget.superclass.constructor.call(this,this.el.dom,this.ddGroup||this.group,{isTarget:true});};Ext.extend(Ext.dd.DropTarget,Ext.dd.DDTarget,{dropAllowed:"x-dd-drop-ok",dropNotAllowed:"x-dd-drop-nodrop",isTarget:true,isNotifyTarget:true,notifyEnter:function(dd,e,_5){if(this.overClass){this.el.addClass(this.overClass);}return this.dropAllowed;},notifyOver:function(dd,e,_8){return this.dropAllowed;},notifyOut:function(dd,e,_b){if(this.overClass){this.el.removeClass(this.overClass);}},notifyDrop:function(dd,e,_e){return false;}});

Ext.dd.DragZone=function(el,_2){Ext.dd.DragZone.superclass.constructor.call(this,el,_2);if(this.containerScroll){Ext.dd.ScrollManager.register(this.el);}};Ext.extend(Ext.dd.DragZone,Ext.dd.DragSource,{getDragData:function(e){return Ext.dd.Registry.getHandleFromEvent(e);},onInitDrag:function(x,y){this.proxy.update(this.dragData.ddel.cloneNode(true));this.onStartDrag(x,y);return true;},afterRepair:function(){if(Ext.enableFx){Ext.Element.fly(this.dragData.ddel).highlight(this.hlColor||"c3daf9");}this.dragging=false;},getRepairXY:function(e){return Ext.Element.fly(this.dragData.ddel).getXY();}});

Ext.dd.DropZone=function(el,_2){Ext.dd.DropZone.superclass.constructor.call(this,el,_2);};Ext.extend(Ext.dd.DropZone,Ext.dd.DropTarget,{getTargetFromEvent:function(e){return Ext.dd.Registry.getTargetFromEvent(e);},onNodeEnter:function(n,dd,e,_7){},onNodeOver:function(n,dd,e,_b){return this.dropAllowed;},onNodeOut:function(n,dd,e,_f){},onNodeDrop:function(n,dd,e,_13){return false;},onContainerOver:function(dd,e,_16){return this.dropNotAllowed;},onContainerDrop:function(dd,e,_19){return false;},notifyEnter:function(dd,e,_1c){return this.dropNotAllowed;},notifyOver:function(dd,e,_1f){var n=this.getTargetFromEvent(e);if(!n){if(this.lastOverNode){this.onNodeOut(this.lastOverNode,dd,e,_1f);this.lastOverNode=null;}return this.onContainerOver(dd,e,_1f);}if(this.lastOverNode!=n){if(this.lastOverNode){this.onNodeOut(this.lastOverNode,dd,e,_1f);}this.onNodeEnter(n,dd,e,_1f);this.lastOverNode=n;}return this.onNodeOver(n,dd,e,_1f);},notifyOut:function(dd,e,_23){if(this.lastOverNode){this.onNodeOut(this.lastOverNode,dd,e,_23);this.lastOverNode=null;}},notifyDrop:function(dd,e,_26){if(this.lastOverNode){this.onNodeOut(this.lastOverNode,dd,e,_26);this.lastOverNode=null;}var n=this.getTargetFromEvent(e);return n?this.onNodeDrop(n,dd,e,_26):this.onContainerDrop(dd,e,_26);},triggerCacheRefresh:function(){Ext.dd.DDM.refreshCache(this.groups);}});