Merge Rowan's html code + slightly update styles

[matches/MCTX3420.git] / testing / MCTXWeb / public_html / static / mctx.gui.js

diff --git a/testing/MCTXWeb/public_html/static/mctx.gui.js b/testing/MCTXWeb/public_html/static/mctx.gui.js
index 880a560..82f823c 100644 (file)
--- a/testing/MCTXWeb/public_html/static/mctx.gui.js
+++ b/testing/MCTXWeb/public_html/static/mctx.gui.js
@@ -1,4 +1,202 @@
+/**
+ * MCTX3420 2013 GUI stuff.
+ */
+
+mctx = {};
+mctx.api = location.protocol + "//" +  location.host + "/api/";
+mctx.expected_api_version = 0;
+mctx.key = undefined;
+mctx.has_control = false;
+
+mctx.return_codes = {
+  "1" : "Ok",
+  "-1" : "General error",
+  "-2" : "Unauthorized",
+  "-3" : "Not running",
+  "-4" : "Already exists"
+};
+
+mctx.sensors = {
+  0 : {name : "Strain gauge 1"},
+  1 : {name : "Strain gauge 2"},
+  2 : {name : "Strain gauge 3"},
+  3 : {name : "Strain gauge 4"},
+  4 : {name : "Pressure sensor 1"},
+  5 : {name : "Pressure sensor 2"},
+  6 : {name : "Pressure sensor 3"}
+};
+
+mctx.actuators = {
+  0 : {name : "Solenoid 1"},
+  1 : {name : "Solenoid 2"},
+  2 : {name : "Solenoid 3"},
+  3 : {name : "Pressure regulator"}
+};
+
+mctx.strain_gauges = {};
+mctx.strain_gauges.ids = [0, 1, 2, 3];
+mctx.strain_gauges.time_limit = 20;
+
+/**
+ * Writes the current date to wherever it's called.
+ */
 function getDate(){
-       var d = new Date;
-       document.write(d.toDateString());
-}
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+       document.write((new Date()).toDateString());
+}
+
+/**
+ * Populates a submenu of the navigation bar
+ * @param {string} header The header
+ * @param {object} items An object representing the submenu items
+ * @param {function} translator A function that translates an object item
+ *                              into a text and href.
+ * @returns {$.fn} Itself
+ */
+$.fn.populateSubmenu = function(header, items, translator) {
+  var submenuHeader = $("<li/>").append($("<a/>", {text : header, href : "#"}));
+  var submenu = $("<ul/>", {"class" : "submenu"});
+  
+  for (var item in items) {
+    var info = translator(item, items);
+    submenu.append($("<li/>").append(
+          $("<a/>", {text : info.text, 
+                     href : info.href, target : "_blank"})
+    ));
+  }
+  
+  this.append(submenuHeader.append(submenu));
+  return this;
+};
+
+/** 
+ * Populates the navigation bar
+ */
+$.fn.populateNavbar = function () {
+  var menu = $("<ul/>", {"class" : "menu"});
+  var sensorTranslator = function(item, items) {
+    var href = mctx.api + "sensors?start_time=0&format=tsv&id=" + item;
+    return {text : items[item].name, href : href};
+  };
+  var actuatorTranslator = function(item, items) {
+    var href = mctx.api + "actuators?start_time=0&format=tsv&id=" + item;
+    return {text : items[item].name, href : href};
+  };
+  
+  menu.populateSubmenu("Sensor data", mctx.sensors, sensorTranslator);
+  menu.populateSubmenu("Actuator data", mctx.actuators, actuatorTranslator);
+  menu.appendTo(this);
+  return this;
+}
+
+/**
+ * Sets the camera autoupdater
+ * @returns {$.fn}
+ */
+$.fn.setCamera = function () {
+  var url = mctx.api + "image";  //http://beaglebone/api/image
+  var update = true;
+
+  //Stop updating if we can't retrieve an image!
+  this.error(function() {
+    update = false;
+  });
+  
+  var parent = this;
+  
+  var updater = function() {
+    if (!update) {
+      alert("Cam fail");
+      parent.attr("src", "");
+      return;
+    }
+    
+    parent.attr("src", url + "#" + (new Date()).getTime());
+    
+    setTimeout(updater, 1000);
+  };
+  
+  updater();
+  return this;
+};
+
+$.fn.setStrainGraphs = function () {
+  var sensor_url = mctx.api + "sensors";
+  var graphdiv = this;
+  
+  var updater = function () {
+    var time_limit = mctx.strain_gauges.time_limit;
+    var responses = new Array(mctx.strain_gauges.ids.length);
+    
+    for (var i = 0; i < mctx.strain_gauges.ids.length; i++) {
+      var parameters = {id : i, start_time: -time_limit};
+      responses[i] = $.ajax({url : sensor_url, data : parameters});
+    }
+    
+    $.when.apply(this, responses).then(function () {
+      var data = new Array(arguments.length);
+      for (var i = 0; i < arguments.length; i++) {
+        var raw_data = arguments[i][0].data;
+        var pruned_data = [];
+        var step = ~~(raw_data.length/100);
+        for (var j = 0; j < raw_data.length; j += step)
+          pruned_data.push(raw_data[j]); 
+        data[i] = pruned_data;
+      }
+      $.plot(graphdiv, data);
+      setTimeout(updater, 500);
+    }, function () {alert("It crashed");});
+  };
+  
+  updater();
+  return this;
+};
+
+$.fn.login = function () {
+  var username = this.find("input[name='username']").val();
+  var password = this.find("input[name='pass']").val();
+  var force = this.find("input[name='force']").is(":checked");
+  var url = mctx.api + "control";
+  
+  var authFunc = function(xhr) {
+    xhr.setRequestHeader("Authorization",
+        "Basic " + base64.encode(username + ":" + password));
+  };
+
+  $.ajax({
+    url : url,
+    data : {action : "lock", force : (force ? true : undefined)},
+    beforeSend : authFunc
+  }).done(function (data) {
+    mctx.key = data.key;
+    if (data.status < 0) {
+      alert("no - " + data.description);
+    } else {
+      mctx.has_control = true;
+      alert("yes - " + mctx.key);
+    }
+  }).fail(function (jqXHR) {
+    mctx.key = undefined;
+    mctx.has_control = false;
+    alert("no");
+  });
+};
+
+$.fn.setErrorLog = function () {
+  var url = mctx.api + "errorlog";
+  var outdiv = this;
+  
+  var updater = function () {
+    $.ajax({url : url}).done(function (data) {
+      outdiv.text(data);
+      setTimeout(updater, 1000);
+    }).fail(function (jqXHR) {
+      outdiv.text("Failed to retrieve the error log.");
+    });
+  };
+  
+  updater();
+};
+
+$(document).ajaxError(function (event, jqXHR) {
+  //console.log("AJAX query failed with: " + jqXHR.status + " (" + jqXHR.statusText + ")");
+});
\ No newline at end of file