updatemanager-min.js

ext js demo ext学习资料

/*
 * Ext JS Library 1.1 RC 1
 * Copyright(c) 2006-2007, Ext JS, LLC.
 * [e-mail]
 * 
 * http://www.extjs.com/license
 */


Ext.UpdateManager=function(el,_2){el=Ext.get(el);if(!_2&&el.updateManager){return el.updateManager;}this.el=el;this.defaultUrl=null;this.addEvents({"beforeupdate":true,"update":true,"failure":true});var d=Ext.UpdateManager.defaults;this.sslBlankUrl=d.sslBlankUrl;this.disableCaching=d.disableCaching;this.indicatorText=d.indicatorText;this.showLoadIndicator=d.showLoadIndicator;this.timeout=d.timeout;this.loadScripts=d.loadScripts;this.transaction=null;this.autoRefreshProcId=null;this.refreshDelegate=this.refresh.createDelegate(this);this.updateDelegate=this.update.createDelegate(this);this.formUpdateDelegate=this.formUpdate.createDelegate(this);this.successDelegate=this.processSuccess.createDelegate(this);this.failureDelegate=this.processFailure.createDelegate(this);if(!this.renderer){this.renderer=new Ext.UpdateManager.BasicRenderer();}Ext.UpdateManager.superclass.constructor.call(this);};Ext.extend(Ext.UpdateManager,Ext.util.Observable,{getEl:function(){return this.el;},update:function(_4,_5,_6,_7){if(this.fireEvent("beforeupdate",this.el,_4,_5)!==false){var _8=this.method,_9;if(typeof _4=="object"){_9=_4;_4=_9.url;_5=_5||_9.params;_6=_6||_9.callback;_7=_7||_9.discardUrl;if(_6&&_9.scope){_6=_6.createDelegate(_9.scope);}if(typeof _9.method!="undefined"){_8=_9.method;}if(typeof _9.nocache!="undefined"){this.disableCaching=_9.nocache;}if(typeof _9.text!="undefined"){this.indicatorText="<div class=\"loading-indicator\">"+_9.text+"</div>";}if(typeof _9.scripts!="undefined"){this.loadScripts=_9.scripts;}if(typeof _9.timeout!="undefined"){this.timeout=_9.timeout;}}this.showLoading();if(!_7){this.defaultUrl=_4;}if(typeof _4=="function"){_4=_4.call(this);}_8=_8||(_5?"POST":"GET");if(_8=="GET"){_4=this.prepareUrl(_4);}var o=Ext.apply(_9||{},{url:_4,params:_5,success:this.successDelegate,failure:this.failureDelegate,callback:undefined,timeout:(this.timeout*1000),argument:{"url":_4,"form":null,"callback":_6,"params":_5}});this.transaction=Ext.Ajax.request(o);}},formUpdate:function(_b,_c,_d,_e){if(this.fireEvent("beforeupdate",this.el,_b,_c)!==false){if(typeof _c=="function"){_c=_c.call(this);}_b=Ext.getDom(_b);this.transaction=Ext.Ajax.request({form:_b,url:_c,success:this.successDelegate,failure:this.failureDelegate,timeout:(this.timeout*1000),argument:{"url":_c,"form":_b,"callback":_e,"reset":_d}});this.showLoading.defer(1,this);}},refresh:function(_f){if(this.defaultUrl==null){return;}this.update(this.defaultUrl,null,_f,true);},startAutoRefresh:function(_10,url,_12,_13,_14){if(_14){this.update(url||this.defaultUrl,_12,_13,true);}if(this.autoRefreshProcId){clearInterval(this.autoRefreshProcId);}this.autoRefreshProcId=setInterval(this.update.createDelegate(this,[url||this.defaultUrl,_12,_13,true]),_10*1000);},stopAutoRefresh:function(){if(this.autoRefreshProcId){clearInterval(this.autoRefreshProcId);delete this.autoRefreshProcId;}},isAutoRefreshing:function(){return this.autoRefreshProcId?true:false;},showLoading:function(){if(this.showLoadIndicator){this.el.update(this.indicatorText);}},prepareUrl:function(url){if(this.disableCaching){var _16="_dc="+(new Date().getTime());if(url.indexOf("?")!==-1){url+="&"+_16;}else{url+="?"+_16;}}return url;},processSuccess:function(_17){this.transaction=null;if(_17.argument.form&&_17.argument.reset){try{_17.argument.form.reset();}catch(e){}}if(this.loadScripts){this.renderer.render(this.el,_17,this,this.updateComplete.createDelegate(this,[_17]));}else{this.renderer.render(this.el,_17,this);this.updateComplete(_17);}},updateComplete:function(_18){this.fireEvent("update",this.el,_18);if(typeof _18.argument.callback=="function"){_18.argument.callback(this.el,true,_18);}},processFailure:function(_19){this.transaction=null;this.fireEvent("failure",this.el,_19);if(typeof _19.argument.callback=="function"){_19.argument.callback(this.el,false,_19);}},setRenderer:function(_1a){this.renderer=_1a;},getRenderer:function(){return this.renderer;},setDefaultUrl:function(_1b){this.defaultUrl=_1b;},abort:function(){if(this.transaction){Ext.Ajax.abort(this.transaction);}},isUpdating:function(){if(this.transaction){return Ext.Ajax.isLoading(this.transaction);}return false;}});Ext.UpdateManager.defaults={timeout:30,loadScripts:false,sslBlankUrl:(Ext.SSL_SECURE_URL||"javascript:false"),disableCaching:false,showLoadIndicator:true,indicatorText:"<div class=\"loading-indicator\">Loading...</div>"};Ext.UpdateManager.updateElement=function(el,url,_1e,_1f){var um=Ext.get(el,true).getUpdateManager();Ext.apply(um,_1f);um.update(url,_1e,_1f?_1f.callback:null);};Ext.UpdateManager.update=Ext.UpdateManager.updateElement;Ext.UpdateManager.BasicRenderer=function(){};Ext.UpdateManager.BasicRenderer.prototype={render:function(el,_22,_23,_24){el.update(_22.responseText,_23.loadScripts,_24);}};