81 lines
1.5 KiB
JavaScript
81 lines
1.5 KiB
JavaScript
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/**
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* Ajax
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*
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* Object for making ajax requests
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*/
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(function (){
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var ajax = {
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_do: function (url, data, callback, isPost)
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{
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if (typeof callback === "undefined")
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{
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callback = function (){};
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}
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var request = (typeof window.XMLHttpRequest !== "undefined")
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? new XMLHttpRequest()
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: false;
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var type = (isPost) ? "POST" : "GET";
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url += (type === "GET") ? "?"+this._serialize(data, true) : '';
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request.open(type, url);
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request.onreadystatechange = function ()
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{
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if (request.readyState === 4)
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{
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callback(request.responseText);
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}
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};
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if (type === "POST")
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{
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request.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
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request.send(this._serialize(data));
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}
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else
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{
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request.send(null);
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}
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},
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_serialize: function (data, encode)
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{
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var pairs = [];
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for (var name in data)
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{
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if (!data.hasOwnProperty(name))
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{
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continue;
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}
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if (typeof data[name] === "function")
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{
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continue;
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}
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var value = data[name].toString();
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if (encode === true)
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{
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name = encodeURIComponent(name.replace(" ", "+"));
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value = encodeURIComponent(value.replace(" ", "+"));
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}
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pairs.push(name + "=" + value);
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}
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return pairs.join("&");
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}
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};
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$_.ext('get', function (url, data, callback){
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ajax._do(url, data, callback, false);
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});
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$_.ext('post', function (url, data, callback){
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ajax._do(url, data, callback, true);
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});
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}());
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