nextcloud/js/lib_xmlloader.js

155 lines
4.1 KiB
JavaScript
Executable File

/**
* ownCloud - ajax frontend
*
* @author Robin Appelman
* @copyright 2010 Robin Appelman icewind1991@gmail.com
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
var READY_STATE_UNINITIALIZED=0;
var READY_STATE_LOADING=1;
var READY_STATE_LOADED=2;
var READY_STATE_INTERACTIVE=3;
var READY_STATE_COMPLETE=4;
/**
* Class for loaded browser independant xml loading
*/
OCXMLLoader=function(){
this.errorCallBack=this.defaultError;
}
OCXMLLoader.prototype={
contentType:'',
method:'GET',
request:'',
callBack:null,
async:true,
arg:null,
/**
* Loads an XML document
* @param string url
* @param string request
* @none
*/
load:function(url,request){
request=(request)?request:"";
method=this.method;
contentType=(!this.contentType && method=="POST")?"application/x-www-form-urlencoded":this.contentType;
if(window.XMLHttpRequest){
req=new XMLHttpRequest();
}else if(window.XDomainRequest){
req=new XDomainRequest();
}else if(window.ActiveXObject){
req=new ActiveXObject('Microsoft.XMLHTTP')
}
if (req){
this.req=req;
try{
// var loader=this;
// req.onreadystatechange=function(){
// loader.onReadyState.call(loader,req)
// }
var callback=new callBack(this.onReadyState,this);
req.onreadystatechange=function(){eval('callBack.call('+callback.id+')');};
req.open(method,url,this.async);
if (contentType){
req.setRequestHeader("Content-Type",contentType);
}
if(method=="POST"){
req.setRequestHeader("Content-length", request.length);
req.setRequestHeader("Connection", "close");
}
req.send(request);
}catch (err){
this.errorCallBack(req);
}
}
},
onReadyState:function(){
var ready=this.req.readyState;
if (ready==READY_STATE_COMPLETE){
var HttpStatus=req.status;
if (HttpStatus==200 || HttpStatus==0){
//alert("response: "+this.req.responseText);
this.callBack(this.req,this.arg);
}else{
this.errorCallBack(this.req,this.arg);
}
}
},
defaultError:function(req){
alert("Error fetching data!"
+"\n\n<br/><br/>ReadyState: "+req.readyState
+"\n<br/>Status: "+req.status
+"\n<br/>Headers: "+req.getAllResponseHeaders()
+"\n<br/>File: "+req.url
+"\n<br/>Response: "+req.responseText);
},
/**
* Sets the request method
* @param string method
* @none
*/
setMethod:function(method){
this.method=method;
},
/**
* Sets the content type
* @param string type
* @none
*/
setType:function(type){
this.type=type;
},
/**
* Sets the callback function
* @param function callBack
* @none
*/
setCallBack:function(callBack){
this.callBack=callBack;
},
/**
* Sets the error callback function
* @param function errorCallBack
* @none
*/
setErrorCallBack:function(errorCallBack){
this.errorCallBack=errorCallBack;
}
}
testClass=function(){
}
testClass.prototype={
testFunc:function(){
this.test="test";
test=new OCXMLLoader(this);
test.setCallBack(this.callBack);
test.load(parseUri('%root%/data/sites/index.xml'));
},
callBack:function(req){
alert(this.test);
alert(req.responseText);
}
}
test=new testClass()
test.testFunc
// mainLoadStack.append(test.testFunc,test);