Loader.js 2.0 KB

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  1. /*
  2. Copyright (c) 2004-2009, The Dojo Foundation All Rights Reserved.
  3. Available via Academic Free License >= 2.1 OR the modified BSD license.
  4. see: http://dojotoolkit.org/license for details
  5. */
  6. if(!dojo._hasResource["dojox.widget.Loader"]){dojo._hasResource["dojox.widget.Loader"]=true;dojo.provide("dojox.widget.Loader");dojo.deprecated("dojox.widget.Loader","","2.0");dojo.require("dijit._Widget");dojo.require("dijit._Templated");dojo.declare("dojox.widget.Loader",[dijit._Widget,dijit._Templated],{loadIcon:dojo.moduleUrl("dojox.widget.Loader","icons/loading.gif"),loadMessage:"Loading ...",hasVisuals:true,attachToPointer:true,duration:125,_offset:16,_pointerConnect:null,_xhrStart:null,_xhrEnd:null,templateString:"<div dojoAttachPoint=\"loadNode\" class=\"dojoxLoader\">"+"<img src=\"${loadIcon}\" class=\"dojoxLoaderIcon\"> <span dojoAttachPoint=\"loadMessageNode\" class=\"dojoxLoaderMessage\"></span>"+"</div>",postCreate:function(){if(!this.hasVisuals){this.loadNode.style.display="none";}else{if(this.attachToPointer){dojo.removeClass(this.loadNode,"dojoxLoader");dojo.addClass(this.loadNode,"dojoxLoaderPointer");}this._hide();}this._setMessage(this.loadMessage);this._xhrStart=this.connect(dojo,"_ioSetArgs","_show");this._xhrEnd=this.connect(dojo.Deferred.prototype,"_fire","_hide");},_setMessage:function(_1){this.loadMessageNode.innerHTML=_1;},_putLoader:function(e){dijit.placeOnScreen(this.loadNode,{x:e.clientX+this._offset,y:e.clientY+this._offset},["TL","BR"]);},_show:function(){dojo.publish("Loader",[{message:"started"}]);if(this.hasVisuals){if(this.attachToPointer){this._pointerConnect=this.connect(document,"onmousemove","_putLoader");}dojo.style(this.loadNode,{opacity:0,display:""});dojo.fadeIn({node:this.loadNode,duration:this.duration}).play();}},_hide:function(){dojo.publish("Loader",[{message:"ended"}]);if(this.hasVisuals){if(this.attachToPointer){this.disconnect(this._pointerConnect);}dojo.fadeOut({node:this.loadNode,duration:this.duration,onEnd:dojo.partial(dojo.style,this.loadNode,"display","none")}).play();}}});}