Added tutorial and session mechanism
diff --git a/public/js/src/api.js b/public/js/src/api.js
new file mode 100644
index 0000000..ed33cc2
--- /dev/null
+++ b/public/js/src/api.js
@@ -0,0 +1,80 @@
+var KorAP = KorAP || {};
+
+(function (KorAP) {
+ "use strict";
+
+ // Default log message
+ KorAP.log = KorAP.log || function (type, msg) {
+ console.log(type + ": " + msg);
+ };
+
+ KorAP.URL = KorAP.URL || 'http://korap.ids-mannheim.de/kalamar';
+
+ // TODO: https://github.com/honza/140medley/blob/master/140medley.js
+ // https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest
+ // https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest/Using_XMLHttpRequest
+ // r.addEventListener("progress", updateProgress, false);
+ // http://www.javascriptkit.com/javatutors/loadjavascriptcss.shtml
+ // http://stackoverflow.com/questions/6112744/load-javascript-on-demand
+
+ KorAP.API = {
+ getMatchInfo : function (match, param, cb) {
+ // match is a KorAP.Match object
+
+ var url = KorAP.URL;
+ url += '/corpus';
+ url += '/' + match.corpusID;
+ url += '/' + match.docID + '.' + match.textID; // TODO
+ url += '/' + match.matchID;
+
+ // { spans: true, layer:x, foundry : y}
+ if (param['spans'] == true) {
+ url += '?spans=true';
+ if (param['foundry'] !== undefined)
+ url += '&foundry=' + param['foundry'];
+ if (param['layer'] !== undefined)
+ url += '&layer=' + param['layer'];
+ }
+
+ // { spans : false, layer: [Array of KorAP.InfoLayer] }
+ else {
+ // TODO
+ url += '?spans=false';
+ }
+
+ this.getJSON(url, cb);
+ },
+ getJSON : function (url, onload) {
+ var req = new XMLHttpRequest();
+
+ console.log('Request url: ' + url);
+
+ req.open("GET", url, true);
+
+
+ req.setRequestHeader("Accept", "application/json");
+ req.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
+ req.onreadystatechange = function () {
+ /*
+ States:
+ 0 - unsent (prior to open)
+ 1 - opened (prior to send)
+ 2 - headers received
+ 3 - loading (responseText has partial data)
+ 4 - done
+ */
+ if (this.readyState == 4) {
+ if (this.status === 200)
+ onload(JSON.parse(this.responseText));
+ else
+ KorAP.log(this.status, this.statusText);
+ }
+ };
+ req.ontimeout = function () {
+ KorAP.log(0, 'Request Timeout');
+ };
+ req.send();
+ }
+ };
+
+}(this.KorAP));