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138 lines
3.6 KiB
138 lines
3.6 KiB
// server url
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var serverUrl = "http://widgets.vvo-online.de/abfahrtsmonitor/";
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// xmlhttp object function
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function getHTTPObject() {
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console.log("xml http object function");
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var xhr;
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if(window.XMLHttpRequest) {
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xhr = new XMLHttpRequest();
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} else if(window.ActiveXObject) {
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xhr = new ActiveXObject("Msxml2.XMLHTTP");
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}
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return xhr;
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}
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// ajax call function
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function ajaxCall(dataUrl, outputElement, callback) {
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console.log("ajax function");
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// get the xmlhttp object which is supported
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var request = getHTTPObject();
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outputElement.innerHTML = "Lade Daten ...";
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request.onreadystatechange = function() {
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if(request.readyState === 4 && request.status === 200) {
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//save ajax response
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var response = request.responseText;
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// check if callback is a function
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if(typeof callback === "function") {
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callback(response);
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}
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}
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};
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request.open("get", dataUrl, true);
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request.send(null);
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}
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// wrap all in anonymous function to get out of global scope
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(function() {
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console.log("anonymous function");
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var hupatz;
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var blub = document.getElementById("output");
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var wurst = '[["13","Prohlis","754"],["13","Prohlis","754"],["13","Prohlis","754"],["13","Prohlis","754"]]';
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console.log(wurst);
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wurst = wurst.replace(/\],\[/gi, '#');
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wurst = wurst.slice(2,-2);
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wurst = wurst.split("#");
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console.log(wurst);
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console.log(wurst.length);
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hupatz = "<table>";
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for (var h = 0; h < wurst.length; h++) {
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hupatz += "<tr>";
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var hallo = wurst[h].split(",");
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for (var x = 0; x < hallo.length; x++) {
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hupatz += "<td>" + hallo[x].slice(1,-1) + "</td>";
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}
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hupatz += "</tr>";
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}
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hupatz += "</table>"
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//blub.innerHTML = hupatz;
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// get the search form
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var searchForm = document.getElementById("search-form");
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// haltestelle object
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var haltestelle = {
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getInfo : function(event) {
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console.log("getInfo function");
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// prevent submit default behaviour
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event.preventDefault();
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// get output area
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var target = document.getElementById("output");
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var hstName = document.getElementById("q").value;
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var hstUrl = serverUrl + "Abfahrten.do?ort=dresden&hst=" + hstName;
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ajaxCall(hstUrl, target, function(data) {
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data = data.replace(/\],\[/gi, '#');
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data = data.slice(2,-2);
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data = data.split("#");
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var i;
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var y;
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var htmlOutput;
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var dataLength = data.length;
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htmlOutput = "<table>";
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htmlOutput += "<tr>";
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htmlOutput += "<th>Linie</th>";
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htmlOutput += "<th>Richtung</th>";
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htmlOutput += "<th>Abfahrt</th>";
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htmlOutput += "</tr>";
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for (i = 0; i < dataLength; i++) {
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htmlOutput += "<tr>";
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var trala = data[i].split(",");
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for (y = 0; y < 3; y++) {
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htmlOutput += "<td>" + data[y].slice(1,-1) + "</td>";
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}
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htmlOutput += "</tr>";
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}
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htmlOutput += "</table>";
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// print table into web page
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target.innerHTML = htmlOutput;
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});
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}
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};
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//event listeners
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searchForm.addEventListener("submit", haltestelle.getInfo, false);
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})(); // end of anonymous function
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