2 * MCTX3420 2013 GUI stuff.
6 mctx.api = location.protocol + "//" + location.host + "/api/";
7 mctx.expected_api_version = 0;
9 mctx.has_control = false;
13 "-1" : "General error",
14 "-2" : "Unauthorized",
16 "-4" : "Already exists"
20 0 : {name : "Strain gauge 1"},
21 1 : {name : "Strain gauge 2"},
22 2 : {name : "Strain gauge 3"},
23 3 : {name : "Strain gauge 4"},
24 4 : {name : "Pressure sensor 1"},
25 5 : {name : "Pressure sensor 2"},
26 6 : {name : "Pressure sensor 3"}
30 0 : {name : "Solenoid 1"},
31 1 : {name : "Solenoid 2"},
32 2 : {name : "Solenoid 3"},
33 3 : {name : "Pressure regulator"}
36 mctx.strain_gauges = {};
37 mctx.strain_gauges.ids = [0, 1, 2, 3];
38 mctx.strain_gauges.time_limit = 20;
41 * Writes the current date to wherever it's called.
44 document.write((new Date()).toDateString());
48 * Populates a submenu of the navigation bar
49 * @param {string} header The header
50 * @param {object} items An object representing the submenu items
51 * @param {function} translator A function that translates an object item
52 * into a text and href.
53 * @returns {$.fn} Itself
55 $.fn.populateSubmenu = function(header, items, translator) {
56 var submenuHeader = $("<li/>").append($("<a/>", {text : header, href : "#"}));
57 var submenu = $("<ul/>", {"class" : "submenu"});
59 for (var item in items) {
60 var info = translator(item, items);
61 submenu.append($("<li/>").append(
62 $("<a/>", {text : info.text,
63 href : info.href, target : "_blank"})
67 this.append(submenuHeader.append(submenu));
72 * Populates the navigation bar
74 $.fn.populateNavbar = function () {
75 var menu = $("<ul/>", {"class" : "menu"});
76 var sensorTranslator = function(item, items) {
77 var href = mctx.api + "sensors?start_time=0&format=tsv&id=" + item;
78 return {text : items[item].name, href : href};
80 var actuatorTranslator = function(item, items) {
81 var href = mctx.api + "actuators?start_time=0&format=tsv&id=" + item;
82 return {text : items[item].name, href : href};
85 menu.populateSubmenu("Sensor data", mctx.sensors, sensorTranslator);
86 menu.populateSubmenu("Actuator data", mctx.actuators, actuatorTranslator);
92 * Sets the camera autoupdater
95 $.fn.setCamera = function () {
96 var url = mctx.api + "image"; //http://beaglebone/api/image
99 //Stop updating if we can't retrieve an image!
100 this.error(function() {
106 var updater = function() {
109 parent.attr("src", "");
113 parent.attr("src", url + "#" + (new Date()).getTime());
115 setTimeout(updater, 1000);
122 $.fn.setStrainGraphs = function () {
123 var sensor_url = mctx.api + "sensors";
126 var updater = function () {
127 var time_limit = mctx.strain_gauges.time_limit;
128 var responses = new Array(mctx.strain_gauges.ids.length);
130 for (var i = 0; i < mctx.strain_gauges.ids.length; i++) {
131 var parameters = {id : i, start_time: -time_limit};
132 responses[i] = $.ajax({url : sensor_url, data : parameters});
135 $.when.apply(this, responses).then(function () {
136 var data = new Array(arguments.length);
137 for (var i = 0; i < arguments.length; i++) {
138 var raw_data = arguments[i][0].data;
139 var pruned_data = [];
140 var step = ~~(raw_data.length/100);
141 for (var j = 0; j < raw_data.length; j += step)
142 pruned_data.push(raw_data[j]);
143 data[i] = pruned_data;
145 $.plot(graphdiv, data);
146 setTimeout(updater, 500);
147 }, function () {alert("It crashed");});
154 $.fn.login = function () {
155 var username = this.find("input[name='username']").val();
156 var password = this.find("input[name='pass']").val();
157 var force = this.find("input[name='force']").is(":checked");
158 var url = mctx.api + "control";
160 var authFunc = function(xhr) {
161 xhr.setRequestHeader("Authorization",
162 "Basic " + base64.encode(username + ":" + password));
167 data : {action : "lock", force : (force ? true : undefined)},
168 beforeSend : authFunc
169 }).done(function (data) {
171 if (data.status < 0) {
172 alert("no - " + data.description);
174 mctx.has_control = true;
175 alert("yes - " + mctx.key);
177 }).fail(function (jqXHR) {
178 mctx.key = undefined;
179 mctx.has_control = false;
184 $.fn.setErrorLog = function () {
185 var url = mctx.api + "errorlog";
188 var updater = function () {
189 $.ajax({url : url}).done(function (data) {
192 outdiv[0].scrollHeight - outdiv.height()
194 setTimeout(updater, 1000);
195 }).fail(function (jqXHR) {
196 if (jqXHR.status === 502 || jqXHR.status === 0) {
197 outdiv.text("Failed to retrieve the error log.");
199 setTimeout(updater, 1500);
206 $(document).ajaxError(function (event, jqXHR) {
207 //console.log("AJAX query failed with: " + jqXHR.status + " (" + jqXHR.statusText + ")");