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@@ -10,8 +10,6 @@
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// in return. Thomas Buck & Christian Högerle
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// ----------------------------------------------------------------------------
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-var arrSensor = Array(); // Data received from Websockets
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-
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// Text Strings. Change these to translate.
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textAvailableSensors = "Available Sensors";
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textButtonNext = "Continue";
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@@ -35,26 +33,55 @@ preDefinedColors = Array(
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var actTime = new Date();
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actTime = actTime.getHours() + ":" + (actTime.getMinutes() < 10 ? '0':'') + actTime.getMinutes();
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+var arrSensor = Array(); // Data received from Websockets
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+var currentState = "initial"; // "initial", "main", "1", "2", ...
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+
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// Draw initial view when the page has been loaded
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-$(document).ready(initialView);
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+$(document).ready(resizeAndRedraw);
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+
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+// Match graph canvases to their parent containers on resize
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+$(window).on('resize', resizeAndRedraw, false);
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+
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+// Redraw current graph view, used for resizing
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+function redraw(animate) {
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+ if (currentState === "initial") {
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+ initialView();
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+ } else if (currentState === "main") {
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+ generateView(arrSensor, animate);
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+ } else {
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+ var n = Math.floor(Number(currentState));
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+ if ((String(n) === currentState) && (n >= 0)) {
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+ generateGraph(false, arrSensor[(currentState - 1)], animate);
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+ } else {
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+ console.log("Invalid state: " + currentState);
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+ }
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+ }
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+}
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+
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+function resize() {
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+ $("canvas").each(function(i, el) {
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+ $(el).attr({
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+ "width":$(el).parent().width(),
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+ "height":$(el).parent().outerHeight()
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+ });
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+ });
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+}
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+
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+function resizeAndRedraw(animate) {
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+ resize();
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+ redraw(animate);
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+}
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function initialView() {
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- $('#contentDiv').empty();
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- $('#contentDiv').append(`<div class="col-sm-12 col-md-12 col-lg-12">
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- <div class="panel panel-primary">
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- <div class="panel-heading" id="listSensorsHeading">
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- ` + textAvailableSensors + ` (0/0)
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- </div>
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- <div class="panel-body">
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- <ul class="list-group" id="listSensors"></ul>
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- <div id="alertDiv"></div>
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- <button class="btn btn-primary" disabled="" id="btnSubmit">
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- ` + textButtonNext + `
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- </button>
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- </div>
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- </div>
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- </div>`);
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+ // Show first page and hide the graphs
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+ $('#startDiv').show();
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+ $('#dataDiv').hide();
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+ // Reset the button text
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+ $('#btnSubmit').empty();
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+ $('#btnSubmit').html(textButtonNext);
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+
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+ // Reset heading with number of clients
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$('#listSensorsHeading').empty();
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$('#listSensorsHeading').html(textAvailableSensors + " (0/" + clients.length + ")");
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@@ -66,8 +93,8 @@ function initialView() {
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// Button to continue to graph view
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$("#btnSubmit").click(function(event) {
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- $('#contentDiv').empty();
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- generateView(arrSensor);
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+ currentState = "main";
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+ resizeAndRedraw(true);
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});
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}
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@@ -107,54 +134,44 @@ function webSocket(wsUri, wsPort, count, clientsCount) {
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+ '</strong><br>' + errorMessage
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+ wsUri + '<br></div>');
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}
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- console.log(evt.data);
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+ console.log("WebSocket Error: " + evt.data);
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};
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}
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-function generateView(arrSensor) {
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- $('#contentDiv').append(`<div class="col-sm-12 col-md-12 col-lg-12">
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- <div class="panel panel-primary">
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- <ul class="nav nav-pills">
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- <li class="active"><a class="navtab" data-toggle="tab" href="#home">` + homeTabName + `</a></li>
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- </ul>
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- <div class="panel-body">
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- <div id="contentPanel">
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- </div>
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- </div>
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- </div>
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- </div>`);
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+function generateView(arrSensor, animation) {
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+ // Hide first page, show graph page
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+ $('#startDiv').hide();
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+ $('#dataDiv').show();
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+
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+ // Add home tab
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+ $('.nav-pills').empty();
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+ $('.nav-pills').append('<li class="active"><a id="homebut" class="navtab" data-toggle="tab" href="#home">' + homeTabName + '</a></li>');
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+ // Add tabs for all sensors
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jQuery.each(arrSensor, function(index, sensor) {
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- $('.nav-pills').append('<li><a class="navtab" data-toggle="tab" href="#' + sensor.id + '">' + sensorTabName + ' ' + sensor.id + '</a></li>');
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+ $('.nav-pills').append('<li><a id="sensbut" class="navtab" data-toggle="tab" href="#' + sensor.id + '">' + sensorTabName + ' ' + sensor.id + '</a></li>');
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});
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// flag for combined plot -> true
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- generateGraph(true, arrSensor);
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+ generateGraph(true, arrSensor, animation);
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- $(".navtab").click(function(event) {
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- $('#contentPanel').empty();
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- if(event.target.text == homeTabName) {
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- // flag for combined plot -> true
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- generateGraph(true, arrSensor);
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- } else {
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- generateGraph(false, arrSensor[(event.target.text.split(" ")[1] - 1)]);
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- }
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+ // Handler for "Home" button, drawing combined graph
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+ $("#homebut").click(function(event) {
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+ // flag for combined plot -> true
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+ generateGraph(true, arrSensor, true);
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+ currentState = "main";
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+ });
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+
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+ // Handler for single sensor buttons
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+ $("#sensbut").click(function(event) {
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+ generateGraph(false, arrSensor[(event.target.text.split(" ")[1] - 1)], true);
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+ currentState = event.target.text.split(" ")[1];
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});
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}
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-function generateGraph(flag, sensor) {
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- $('#contentPanel').append(`<div class="row">
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- <div class="col-sm-12 col-md-12 col-lg-6">
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- <div id="temperatureDiv" class="embed-responsive embed-responsive-4by3">
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- <canvas id="temperatureChart"></canvas>
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- </div>
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- </div>
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- <div class="col-sm-12 col-md-12 col-lg-6">
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- <div id="humidityDiv" class="embed-responsive embed-responsive-4by3">
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- <canvas id="humidityChart"></canvas>
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- </div>
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- </div>
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- </div>`);
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+function generateGraph(flag, sensor, anim) {
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+ resize();
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+
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if (flag) {
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// one plot for all sensors
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var length = 0;
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@@ -226,10 +243,30 @@ function generateGraph(flag, sensor) {
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var tempCtx = $('#temperatureChart');
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var humCtx = $('#humidityChart');
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- //tempCtx.attr('width', $('#temperatureDiv').width());
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- //tempCtx.attr('height', $('#temperatureDiv').height());
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- //humCtx.attr('width', $('#humidityDiv').width());
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- //humCtx.attr('height', $('#humidityDiv').height());
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+ var tempOptions = {
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+ title: {
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+ display: true,
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+ text: temperatureHeading
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+ },
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+ responsive: true,
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+ maintainAspectRatio: true,
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+ scaleOverride: true,
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+ };
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+
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+ var humOptions = {
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+ title: {
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+ display: true,
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+ text: humidityHeading
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+ },
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+ responsive: true,
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+ maintainAspectRatio: true,
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+ scaleOverride: true,
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+ };
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+
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+ if (!anim) {
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+ tempOptions.animation = false;
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+ humOptions.animation = false;
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+ }
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var tempChart = new Chart(tempCtx, {
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type: 'line',
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@@ -237,15 +274,7 @@ function generateGraph(flag, sensor) {
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labels: labels,
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datasets: dataTemperature,
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},
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- options: {
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- title: {
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- display: true,
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- text: temperatureHeading
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- },
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- responsive: true,
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- maintainAspectRatio: true,
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- scaleOverride: true
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- }
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+ options: tempOptions
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});
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var humCharts = new Chart(humCtx, {
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@@ -254,15 +283,7 @@ function generateGraph(flag, sensor) {
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labels: labels,
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datasets: dataHumidity,
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},
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- options: {
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- title: {
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- display: true,
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- text: humidityHeading
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- },
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- responsive: true,
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- maintainAspectRatio: true,
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- scaleOverride: true
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- }
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+ options: humOptions
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});
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}
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Thomas Buck
8 years ago