/**
* @author Star
*/
if(typeof(kaho) == 'undefined')
var kaho = {};
/**
* @type {object}
*/
kaho.util = { };
kaho.util.Borwers = { };
kaho.util.request = false;
kaho.util.userId = "";
kaho.util.clientId = "";
kaho.util.pageUrl = "";
kaho.util.serverUrl = "";
kaho.util.siteUrl = "Blank";
(function(){
kaho.Event = { };
kaho.Event.ieEventType = ["onclick"];
kaho.Event.ffEventType = ["click"];
/**
* @type {array}
*/
kaho.Event.callBackListener = [];
kaho.Event.triggerListener = [];
/**
* call back function name , param is json string or null
* @param {Object} callBack Function handle
*/
kaho.Event.addCallBackListener = function(callBackFunction){
if(typeof(callBackFunction) != 'function') {
alert("need function handle !");
return;
}
kaho.Event.callBackListener.push(callBackFunction);
};
/**
*
* @param {Object} triggerFunction
*/
kaho.Event.addTriggerListener = function(triggerFunction){
if(typeof(triggerFunction) != 'function') {
alert("need function handle !");
return;
}
kaho.Event.triggerListener.push(triggerFunction);
};
/**
*
* @param {String} callBackFunction
*/
kaho.Event.deleteCallBackListenerUseName = function(callBackFunction){
var len = kaho.Event.callBackListener.length;
for(var i = 0 ; i < len ; i ++){
var method = kaho.Event.callBackListener[i];
if(method.getName() == callBackFunction.trim()){
kaho.Event.callBackListener.removeIndex(i);
return;
}
}
};
/**
*
* @param {Object} triggerFunction
*/
kaho.Event.deleteTriggerListener = function(triggerFunction){
kaho.Event.triggerListener.removeElement(triggerFunction);
};
/**
*
* @param {Object} callBackFunction
*/
kaho.Event.deleteCallBackListener = function(callBackFunction){
kaho.Event.callBackListener.removeElement(callBackFunction);
};
/**
* call back function name , param is json string
* @param {String} callBackFunction
* @return {Object} callBackFunction
*/
kaho.Event.getCallBackListener = function(callBackFunction /* server call back functon */){
var len = kaho.Event.callBackListener.length;
for(var i = 0 ; i < len ; i ++){
var method = kaho.Event.callBackListener[i];
if(method.getName().toLowerCase() == callBackFunction.toLowerCase()){
return method;
}
}
return false;
};
/**
* call back param null function
* @param {String} callBackFunction
*/
kaho.Event.callFunction = function(callBackFunction /*client js function name */){
var method = kaho.Event.getCallBackListener(callBackFunction);
if(method) method();
return;
};
/**
*
* @param {String} callBackFunction
* @param {Object} param
*/
kaho.Event.callFunctionUseParam = function(callBackFunction , param){
var method = kaho.Event.getCallBackListener(callBackFunction);
if(method) method(param);
return;
};
/**
* @see kaho#Event.ieEventType and kaho#Event.ffEventType
* @return {Number}
*/
kaho.Event.eventCount = function(){
var ieTypeCount = kaho.Event.ieEventType.length;
var ffTypeCount = kaho.Event.ffEventType.length;
return ieTypeCount <= ffTypeCount ? ieTypeCount : ffTypeCount;
};
/**
*
*/
kaho.Event.runOnConnect = function(){
var length = kaho.Event.triggerListener.length;
for(var i = 0 ; i < length ; i ++){
var method = kaho.Event.triggerListener[i];
if(typeof(method) != 'function') continue;
method();
}
};
})();
kaho.util.isIE = true;
kaho.util.Borwers.getEventInt = function(eventType /*String ,what ? ouy like */){
var count = kaho.Event.eventCount();
for(var i = 0 ; i < count ; i ++){
if(kaho.Event.ieEventType[i] == eventType || kaho.Event.ffEventType == eventType)
return i;
}
return -1;
};
/**
* when page unload run the method
* @param {function}
*/
kaho.util.onload = function(method /* function name*/){
if(document.all){
window.attachEvent("onload",method);
}else{
window.addEventListener("load",method , false);
}
};
/**
*
* @param {Object} method
*/
kaho.util.loadComplete = function(method){
if (document.all) {
document.onreadystatechange = function(){
if (document.readyState == "complete")
method();
}
}else
document.addEventListener("DOMContentLoaded", method, false);
};
/**
* when page load run the method
* @param {js function name}
*/
kaho.util.unload = function(method /* function name*/){
if(kaho.util.isIE){
window.attachEvent("onunload",method);
}else{
window.addEventListener("unload",method , false);
}
};
/**
*
* @param {String}
* @return dom object
*/
kaho.util.getId = function(elementId /*String*/){
return document.getElementById(elementId);
};
/**
* hidden the element at page
* @param {String}
*/
kaho.util.hidden = function(elementId /*String*/){
kaho.util.getId(elementId).style.display = "none";
};
/**
*
* @param {array} elementList
*/
kaho.util.hiddenElementList = function(elementList /* element array*/){
if(elementList.constructor != window.Array) return;
for(var i = 0 ; i < elementList.length ; i ++)
kaho.util.hidden(elementList[i]);
};
/**
* show the element at page
* @param {String}
*/
kaho.util.show = function(elementId /*String*/){
kaho.util.getId(elementId).style.display = "";
};
/**
*
* @param {Array} elementList
*/
kaho.util.showElementList = function(elementList /* element array*/){
if(elementList.constructor != window.Array) return;
for(var i = 0 ; i < elementList.length ; i ++)
kaho.util.show(elementList[i]);
};
/**
* why ???
* @deprecated test
* @return {object} json
*/
kaho.util.batch1 = (function(){
return {
"json_channel": "",
"json_mark": "",
"json_meta": "",
"url": "",
"req": false,
"body": ""
}
})();
/**
* 2009-05-06 17:04 delete var request in json batch
* , need new action , default genaral Communications batch
* @return {object} json
*/
kaho.util.batch = (function(){
return {
"json_channel": "", // json_reconnect
"json_mark": "",
"json_meta": "", // inner channel
"json_browser" : "",
"data_from" : "",
"url": "",
"callback" : "",
"param" : false,
"body": "" //{'data_from' : "" , 'data_to' : "" , 'data_body' :}
}
});
/**
* default connection batch for connecting server
* not need init like 'new or ()', at complier time it run itself
* @return {Object} json
*/
kaho.util.connectBatch = (function(){
return {
"json_channel": "comet_tec",
"json_mark": "",
"json_meta": "",
"json_browser" : document.all,
"data_from" : "",
"url": "",
"callback" : "",
"param" : false //has param or not
//"body": "" //data from server ,it is function param json data
}
})();
kaho.util.reConnectBatch = (function(){
return {
"json_channel": "json_reconnect",
"json_mark": "",
"json_meta": "",
"json_browser" : document.all,
"data_from" : "",
"url": "",
"callback" : "",
"body": ""
}
});
/**
*
* @param {String} serverTarget
*/
kaho.util.setServerUrl = function(serverTarget){
kaho.util.serverUrl += "/" + serverTarget;
};
/**
*
*/
kaho.util.reSetServerUrl = function(){
kaho.util.serverUrl = kaho.util.siteUrl;
};
/**
* bind method to object with event type
* method must null param function' handle
* @param {String } Event type ,
* @param {Object} (page dom id) or (page dom element)
* @param {Object}
*/
kaho.util.bind = function( eventType /*Event type String */, elementIdOrDom /*String or dom object*/ , handler /* js method*/){
var element = typeof(elementIdOrDom) == "object" ? elementIdOrDom : kaho.util.getId(elementIdOrDom);
var count = kaho.util.Borwers.getEventInt(eventType);
if(count < 0) return ;
if(document.all){
element.attachEvent( kaho.Event.ieEventType[count], handler);
}else{
element.addEventListener( kaho.Event.ffEventType[count] , handler , false);
}
};
/**
*
* @param {Object}
* @param {Object}
* @param {Object}
*/
kaho.util.removeBind = function( eventType /*Event type String */, elementIdOrDom /*String or dom object*/ , handler /* js method*/){
var element = typeof(elementIdOrDom) == "object" ? elementIdOrDom : kaho.util.getId(elementIdOrDom);
var count = kaho.util.Borwers.getEventInt(eventType);
if(count < 0) return ;
if(kaho.util.isIE){
element.detachEvent( kaho.Event.ieEventType[count], handler);
}else{
element.removeEventListener( kaho.Event.ffEventType[count] , handler ,false);
}
};
/**
* type like [{ k : v },{ k : v}] json,
* return [{ k : v }],[{ k : v }]
* @param {Array} jsonArry
* @return {Array}
*/
kaho.util.jsonArryToArry = function(jsonArry /* jsonObjectArray*/){
if(jsonArry == false) return false;
var arry = [];
var len = jsonArry.length;
for(var i = 0 ; i < len ; i ++){
arry.push(jsonArry[i]);
}
return arry;
};
/**
* type like { k : v }{ k : v} string ,
* return [{ k : v },{ k : v}] json
* @param {String} serverJsonString
* @return {Array} type like
*/
kaho.util.jsonStringToArray = function(serverJsonString /* json array string type*/){
if(serverJsonString.trim().length <= 0) return [];
try {
return JSON.parse('[' + serverJsonString.trim().replaceAll('}{', '},{') + ']');
} catch (e) {
alert("Error message\n"+e.message);
return [];
}
return [];;
};
/**
*
* @param {String}
*/
kaho.util.serverStringToArray = function(serverJsonString /* json array string type*/){
return kaho.util.jsonArryToArry(kaho.util.jsonArryToArry(serverJsonString));
};
/**
* change string to js method and run it
* @param {String}
*/
kaho.util.toEval = function(strScript /* javscript stream*/){
if(strScript == null || strScript.trim().length == 0) return;
try{
eval(strScript);
}catch(e){
alert("Exception : from kaho.util.toEval\n" + e.message);
}
};
/**
* write js string to page
* @param {String}
*/
kaho.util.writeScript = function(strScript /* javascript stream*/){
if(strScript == null || strScript.trim().length == 0) return;
if(!strScript.startWithNoCase("<script type=\"text\/javascript\">"))
strScript = "<script type=\"text\/javascript\">\t\n"+strScript;
if(!strScript.endWithNoCase("<\/script>"))
strScript = strScript + "\n<\/script>";
document.write(strScript);
};
/**
* something when page load
*/
kaho.util.initInfo = function(){
kaho.util.isIE = typeof(window.ActiveXObject) == "undefined" ? false : true;
kaho.util.pageUrl = window.location;
kaho.util.serverUrl = kaho.util.siteUrl = window.location.protocol + "//" + window.location.host;
};
/**
* delete left and right spaces
* @return {String}
*/
String.prototype.trim = function(){
return this.replace(/(^\s*)|(\s*$)/g, "");
};
/**
* delete left spaces
* @return {String}
*/
String.prototype.Ltrim = function(){
return this.replace(/(^\s*)/g, "");
};
/**
* delete right spaces
* @return {String}
*/
String.prototype.Rtrim = function(){
return this.replace(/(\s*$)/g, "");
};
/**
* test string is start with the string
* @param {String} startStr
* @return {Boolean}
*/
String.prototype.startWith = function(startStr){
if(startStr == null || startStr == "" || startStr.length == 0 || startStr.length > this.length)
return false;
if(this.substr( 0 , startStr.length) == startStr)
return true;
else
return false;
return true;
};
/**
* test string is start with the string and no case
* @param {String} startStr
* @return {Boolean}
*/
String.prototype.startWithNoCase = function(startStr){
if(startStr == null || startStr == "" || startStr.length == 0 || startStr.length > this.length)
return false;
if(this.substr( 0 , startStr.length).toLowerCase() == startStr.toLowerCase())
return true;
else
return false;
return true;
};
/**
* test string is end with the string
* @param {String} endWith
* @return {Boolean}
*/
String.prototype.endWith = function(endStr){
if(endStr == null || endStr == "" || endStr.length == 0 || endStr.length > this.length)
return false;
if(this.substring(this.length - endStr.length) == endStr)
return true;
else
return false;
return true;
};
/**
* test string is start with the string and no case
* @param {String} endWith
* @return {Boolean}
*/
String.prototype.endWithNoCase = function(endStr){
if(endStr == null || endStr == "" || endStr.length == 0 || endStr.length > this.length)
return false;
if(this.substring(this.length - endStr.length).toLowerCase() == endStr.toLowerCase())
return true;
else
return false;
return true;
};
/**
*
* @param {String} from
* @param {String} to
*/
String.prototype.replaceAll = function(from , to){
return this.replace(new RegExp(from,"gm"),to);
};
/**
* return function'name
* @return {String}
*/
Function.prototype.getName = function(){
var classStr = this.toString();
var name = classStr.substring(classStr.indexOf('function') + 8 , classStr.indexOf('(')).trim();
if(name.length <= 0) return false;
return name;
};
/**
* index use array subscript
* @param {Number} index
*/
Array.prototype.removeIndex = function(index /* array index */){
if(typeof(index) != 'number' ||(index > this.length || index <= 0)) return this;
return this.slice( 0 , index ).concat(this.slice(index + 1 , this.length));
};
/**
* remove current element from array
* @param {Object} element
*/
Array.prototype.removeElement = function(element /* array element */){
if(this.length <= 0) return;
for(var i = 0 ; i < this.length ; i ++){
if(this[i] == element){
this.removeIndex(i);
break;
}
}
};
/**
* AJAX send message and get message method
*/
(function(){
/**
* Reverse AJAX method ^_^.<br/>
* core code I think
*
*/
kaho.reverseAjax = {
sync : true,
connectBatch : "",
/**
* send push messsage with normal request
* @param {Object} \ (message bath)
*/
send : function(batch /* message bacth*/){
if(typeof(kaho.reverseAjax.connectBatch) =="string") kaho.reverseAjax.connectBatch = batch;
batch.json_browser = kaho.util.isIE;
batch.url = kaho.util.serverUrl;
var request = kaho.ajax.xhr.initReq();
request.open("post", batch.url, kaho.ajax.xhr.sync);
if (request.overrideMimeType)
request.overrideMimeType('text/json; charset=utf-8');
request.setRequestHeader("cache-control", "no-cache");
request.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
request.onreadystatechange = function(){
kaho.reverseAjax.processState(request);
};
request.send("batch=" + JSON.stringify(batch));
},
/**
* when readystate change run the method
* @param {Object} request
*/
processState : function(request /* current XMLHttpRequest*/){
switch(request.readyState){
case 0 : break;
case 1 : break;
case 2 : break;
case 4 : {
switch (request.status) {
case 200:kaho.reverseAjax.processCometResponse(request);break;
case 404:alert("Request Url is not found !");break;
case 505:alert("Code : "+request.status + "\n" + request.statusText);break;
default :alert("Code : "+request.status + "\n" + request.statusText);
};break;
}
default : kaho.reverseAjax.processCometResponse(request);//3
}
},
/**
*
* @param {Object} current request
*/
processCometResponse : function(request /* response text from server with push*/){
if (request.readyState == 3 && kaho.util.isIE)
return;
var jsonArry = kaho.util.jsonStringToArray(request.responseText);
if(jsonArry.constructor != window.Array){
request.abort();
alert("JSON Protocol is not init from server response!");
return;
}
var tempArray = kaho.util.jsonArryToArry(jsonArry);
if(tempArray.constructor != window.Array) return;
kaho.reverseAjax.messageQueue = tempArray;
if(kaho.util.isIE) kaho.reverseAjax.historyCount = 0;
var splitInt = kaho.reverseAjax.messageQueue.length - kaho.reverseAjax.historyCount;
if (splitInt <= 0)
return;
kaho.reverseAjax.currentMessage = kaho.reverseAjax.messageQueue.slice(-splitInt);
kaho.reverseAjax.historyCount = tempArray.length;
kaho.listener.fire(request, kaho.reverseAjax.currentMessage);
},
currentMessage : [],
messageQueue : [],
historyCount : 0,
reConnect : function(){
var batch = kaho.reverseAjax.connectBatch;
batch.json_channel = "json_reconnect";
kaho.reverseAjax.send(batch);
},
/**
* @deprecated
* @param {Object}
*/
_abort : function(request /* message batch*/){
request.abort();
}
};
/**
* AJAX normal method
*/
kaho.ajax = {
xhr : {
sync : true,
initReq : function(){
var request = false;
var ms = ['Msxml2.XMLHTTP.5.0','Msxml2.XMLHTTP.4.0','Msxml2.XMLHTTP.3.0','Msxml2.XMLHTTP','Microsoft.XMLHTTP'];
if(window.XMLHttpRequest){
return new XMLHttpRequest();
}else if(window.ActiveXObject){
for(var i = 0 ; i < ms.length ; i ++ ){
try{
request = new ActiveXObject(ms[i]);
return request;
}catch(e){
continue;
}
}
}
return false;
},
send : function(batch /* message batch*/){
var request = kaho.ajax.xhr.initReq();
batch.url = kaho.util.serverUrl;
batch.json_browser = kaho.util.isIE;
request.open("post" , batch.url ,kaho.ajax.xhr.sync);
if(request.overrideMimeType)
request.overrideMimeType('text/json; charset=utf-8');
request.setRequestHeader("cache-control","no-cache");
request.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
request.onreadystatechange = function(){
switch(request.readyState){
case 0 : break;
case 1 : break;
case 2 : break;
case 4 : {
switch (request.status) {
case 200:kaho.ajax.xhr.processState(request);break;
case 404:alert("Request Url is not found !");break;
case 505:alert("Code : "+request.status + "\n" + request.statusText);break;
default :alert("Code : "+request.status + "\n" + request.statusText);
};break;
}
default : break;//kaho.ajax.xhr.processState(request);
}
};
request.send("batch=" + JSON.stringify(batch));
},
/**
*
* @param {Object} request
*/
processState : function(request /* XMLHttpRequest */){
if (request.readyState == 3 && kaho.util.isIE)
return;
var jsonArry = kaho.util.jsonStringToArray(request.responseText);
if(jsonArry.constructor != window.Array){
request.abort();
alert("JSON Protocol is not init from server response!");
return;
}
if(jsonArry.length <= 0) return;
kaho.ajax.responseHistory = kaho.util.jsonArryToArry(jsonArry);
if(kaho.ajax.responseHistory.length <= 0) return;
kaho.channel.fire(request , kaho.ajax.responseHistory);
},
/**
*
* @param {Object} request
*/
constructRequest : function(request /* XMLHttpRequest */){
return request;
},
/**
* cancle current request , above fireFox look like do not run
* @param {Object} batch
*/
_abort: function(request /* message batch*/){
request.abort();
}
},
responseHistory : []
};
})();
/**
* process response from server
*/
(function(){
/**
*
* @param {Object} request
*/
kaho.channel = function(request){
this.request = request;
};
kaho.channel.prototype = {
/**
* A&Q channel response process
* @param {Object} message
*/
fireEvent : function(message){
//alert("Back message from server\n"+JSON.stringify(message));
//if(message.json_channel != 'message_ok')
//return false;
if(typeof(message.callback) != 'undefined'){
//alert("callbakc json = "+JSON.stringify(message));
if(typeof(message.param) != 'undefined')
kaho.Event.callFunctionUseParam(message.callback , message.param);
else
kaho.Event.callFunction(message.callback);
}
if(typeof(message.clientJs) != 'undefined'){
kaho.util.writeScript(message.clientJs);
}
if(typeof(message.tempJs) != 'undefined'){
kaho.util.toEval(message.tempJs);
}
//alert(JSON.stringify(message));
return true;
}
};
/**
* fire
* @param {Object} request
* @param {Object} messages
*/
kaho.channel.fire = function(request /*current request */, messages /* JSON array from server*/){
if(messages.constructor != window.Array) return;
/**
*
*/
var currentChannel = new kaho.channel(request);
for(var i = 0 ; i < messages.length ; i ++){
var message = messages[i];
if(!currentChannel.fireEvent(message)) break;
}
};
/**
* like the name , a class \u3067\u3059
* @param {Object} obj
*/
kaho.listener = function(request){
this.request = request;
};
kaho.listener.prototype = {
/**
*
* @param {Object} message
*/
fireEvent: function(message){
//alert("json from server in comet\n"+JSON.stringify(message));
/**
* now deprecated
*/
if(typeof(message.json_meta) != 'undefined')
if (typeof(message.json_meta.disconnect) != 'undefined') {
if (message.json_meta.disconnect == 'ok') {
this.request.abort();
kaho.reverseAjax.connectBatch = "";
return false;
}
}else if(typeof(message.json_meta.error) != 'undefined'){
this.request.abort();
kaho.reverseAjax.reConnect();
return false;
}else if(typeof(message.json_meta.reconnect != 'undefined')){
this.request.abort();
kaho.reverseAjax.reConnect();
return false;
}
if(message.json_channel == 'json_disconnect'){
this.request.abort();
kaho.reverseAjax.connectBatch = "";
return false;
}else if(message.json_channel == 'json_reconnect'){
alert("start reconnect!");
this.request.abort();
kaho.reverseAjax.reConnect();
return false;
}else if(message.json_channel == 'connection_ok'){
kaho.Event.runOnConnect();
if(typeof(message.tempJs) != 'undefined')
kaho.util.toEval(message.tempJs);
return true;
}
//if(typeof(message.body) != 'undefined'){
// kaho.util.toEval("test(" + message.body + ")");
//}
if(message.json_channel == 'message_ok'){
if(typeof(message.tempJs) != 'undefined')
kaho.util.toEval(message.tempJs);
return true;
}
if(message.json_channel == 'json_general')
if(typeof(message.callback) != 'undefined'){
//alert("call back message\n"+JSON.stringify(message));
if(typeof(message.param) != 'undefined')
kaho.Event.callFunctionUseParam(message.callback , message.param);
else
kaho.Event.callFunction(message.callback);
}
if(typeof(message.clientJs) != 'undefined'){
kaho.util.writeScript(message.clientJs);
}
if(typeof(message.tempJs) != 'undefined'){
kaho.util.toEval(message.tempJs);
}
if(typeof(message.data_to) != 'undefined'){
kaho.Event.getCallBackListener('getMessages')(message);
}
return true;
}
};
/**
*
* @param {Object} request
* @param {Array} messages
*/
kaho.listener.fire = function(request /*current request */, messages /* JSON array from server*/){
if(messages.constructor != window.Array) return;
var run = true;
/**
*
*/
var cometListener = new kaho.listener(request);
for(var i = 0 ; i < messages.length ; i ++){
var message = messages[i];
if(!(run = cometListener.fireEvent(message))) break;
}
if(run && kaho.util.isIE)
kaho.reverseAjax.reConnect();
};
})();
//(function(){alert("Hello world !");})();
kaho.util.onload(kaho.util.initInfo);
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