updated charts page
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ioBridge
@@ -1,119 +1,154 @@
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<!DOCTYPE html>
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<html>
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<head>
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<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.min.js"></script>
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<script type="text/javascript" src="https://api.thingspeak.com/javascripts/highcharts<%= '-android' if get_header_value('user_agent').upcase.index('ANDROID') %>.js"></script>
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<script type="text/javascript">
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$(document).ready(function() {
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// blank array for holding chart data
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var chartData = [];
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// variable for the date string
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var d;
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// variable for the data point
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var p;
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// variable for the local date in milliseconds
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var localDate;
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// users timezone offset
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var myOffset = new Date().getTimezoneOffset();
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<script type="text/javascript" src="http<%= 's' if @ssl %>://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.min.js"></script>
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<script type="text/javascript" src="http<%= 's' if @ssl %>://api.thingspeak.com/javascripts/highcharts<%= '-android' if get_header_value('user_agent').upcase.index('ANDROID') %>.js"></script>
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<script type="text/javascript">
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// user's timezone offset
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var myOffset = new Date().getTimezoneOffset();
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// converts date format from JSON
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function getChartDate(d) {
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// get the data using javascript's date object (year, month, day, hour, minute, second)
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// months in javascript start at 0, so remember to subtract 1 when specifying the month
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// offset in minutes is converted to milliseconds and subtracted so that chart's x-axis is correct
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return Date.UTC(d.substring(0,4), d.substring(5,7)-1, d.substring(8,10), d.substring(11,13), d.substring(14,16), d.substring(17,19)) - (myOffset * 60000);
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}
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// get the data with a webservice call
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$.getJSON('<%= "#{@domain}channels/#{params[:channel_id]}/field/#{params[:id]}.json?callback=?&offset=0#{@qs}" %>', function(data) {
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// if no access
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if (data == '-1') {
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$('#chart-container').append('<%= t(:chart_no_access) %>');
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}
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// iterate through each feed
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$.each(data.feeds, function() {
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p = this.field<%= params[:id] %>;
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// if a numerical value exists add it
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if (!isNaN(parseInt(p))) {
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// get the date as a string
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d = this.created_at;
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$(document).ready(function() {
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// blank array for holding chart data
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var chartData = [];
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// variable for the local date in milliseconds
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var localDate;
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// variable for the last date added to the chart
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var last_date;
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// add the data using javascript's date object (year, month, day, hour, minute, second)
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// months in javascript start at 0, so remember to subtract 1 when specifying the month
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// offset in minutes is converted to milliseconds and subtracted so that chart's x-axis is correct
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localDate = Date.UTC(d.substring(0,4), d.substring(5,7)-1, d.substring(8,10), d.substring(11,13), d.substring(14,16), d.substring(17,19)) - (myOffset * 60000);
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chartData.push([localDate, parseFloat(p)]);
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}
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});
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// get the data with a webservice call
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$.getJSON('<%= "#{@domain}channels/#{params[:channel_id]}/field/#{params[:id]}.json?callback=?&offset=0#{@qs}" %>', function(data) {
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// if no access
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if (data == '-1') {
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$('#chart-container').append('<%= t(:chart_no_access) %>');
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}
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// iterate through each feed
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$.each(data.feeds, function() {
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var p = new Highcharts.Point();
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// set the proper values
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var v = this.field<%= params[:id] %>;
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p.x = getChartDate(this.created_at);
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p.y = parseFloat(v);
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// add location if possible
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if (this.location) { p.name = this.location; }
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// if a numerical value exists add it
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if (!isNaN(parseInt(v))<% if params[:max] %> && p.y <= <%= params[:max]%><% end %><% if params[:min] %> && p.y >= <%= params[:min]%><% end %>) { chartData.push(p); }
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});
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// specify the chart options
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var chartOptions = {
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chart: {
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renderTo: 'chart-container',
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defaultSeriesType: '<%= params[:type] ? "#{params[:type]}" : "line" %>',
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backgroundColor: '<%= params[:bgcolor] || "#ffffff" %>'
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},
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title: {
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text: ''
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},
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plotOptions: {
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line: {
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color: '<%= params[:color] || "#d62020" %>'
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},
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bar: {
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color: '<%= params[:color] || "#d62020" %>'
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},
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column: {
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color: '<%= params[:color] || "#d62020" %>'
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},
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series: {
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marker: {
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radius: 3
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},
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animation: true,
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// specify the chart options
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var chartOptions = {
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chart: {
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renderTo: 'chart-container',
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defaultSeriesType: '<%= params[:type] ? "#{params[:type]}" : "line" %>',
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backgroundColor: '<%= params[:bgcolor] || "#ffffff" %>',
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events: {
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load: function() {
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if ('true' === '<%= params[:dynamic] %>') {
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// push data every 15 seconds
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setInterval(function() {
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// get the data with a webservice call
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$.getJSON('<%= "#{@domain}channels/#{params[:channel_id]}/feed/last.json?callback=?&offset=0&location=true" %>', function(data) {
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// if data exists
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if (data && data.field<%= params[:id] %>) {
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var p = new Highcharts.Point();
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// set the proper values
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var v = data.field<%= params[:id] %>;
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p.x = getChartDate(data.created_at);
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p.y = parseFloat(v);
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// add location if possible
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if (data.location) { p.name = data.location; }
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// get the last date if possible
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if (dynamicChart.series[0].data.length > 0) { last_date = dynamicChart.series[0].data[dynamicChart.series[0].data.length-1].x; }
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// if a numerical value exists and it is a new date, add it
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if (!isNaN(parseInt(v)) && (p.x != last_date)<% if params[:max] %> && p.y <= <%= params[:max]%><% end %><% if params[:min] %> && p.y >= <%= params[:min]%><% end %>) {
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dynamicChart.series[0].addPoint(p, true, <%= (@push) ? 'true' : 'false' %>);
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}
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}
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});
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}, 15000);
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}
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}
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}
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},
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title: {
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text: ''
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},
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plotOptions: {
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line: {
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color: '<%= params[:color] || "#d62020" %>'
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},
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bar: {
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color: '<%= params[:color] || "#d62020" %>'
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},
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column: {
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color: '<%= params[:color] || "#d62020" %>'
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},
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series: {
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marker: {
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radius: 3
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},
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animation: true,
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step: <%= params[:step] || 'false' %>,
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borderWidth: 0
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}
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},
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tooltip: {
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// reformat the tooltips so that local times are displayed
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formatter: function() {
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var d = new Date(this.x + (myOffset*60000));
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return this.series.name + ':<b>' + this.y + '</b><br/>' + d.toDateString() + '<br/>' + d.toTimeString().replace(/\(.*\)/, "");
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}
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},
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xAxis: {
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type: 'datetime',
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title: {
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text: ''
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}
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},
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yAxis: {
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title: {
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text: ''
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}
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},
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legend: {
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enabled: false
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},
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series: [{
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name: data.channel.field<%= params[:id] %>
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}]
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};
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}
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},
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tooltip: {
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// reformat the tooltips so that local times are displayed
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formatter: function() {
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var d = new Date(this.x + (myOffset*60000));
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var n = (this.point.name === undefined) ? '' : '<br/>' + this.point.name;
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return this.series.name + ':<b>' + this.y + '</b>' + n + '<br/>' + d.toDateString() + '<br/>' + d.toTimeString().replace(/\(.*\)/, "");
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}
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},
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xAxis: {
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type: 'datetime',
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title: {
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text: ''
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}
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},
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yAxis: {
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title: {
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text: ''
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}
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},
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legend: {
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enabled: false
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},
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series: [{
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name: data.channel.field<%= params[:id] %>
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}]
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};
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// add the data to the chart
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chartOptions.series[0].data = chartData;
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// add the data to the chart
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chartOptions.series[0].data = chartData;
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// set chart labels here so that decoding occurs properly
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chartOptions.title.text = <% if params[:title] %>decodeURIComponent('<%= u(params[:title]) %>')<% else %>data.channel.name<% end %>;
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chartOptions.xAxis.title.text = <% if params[:xaxis] %>decodeURIComponent('<%= u(params[:xaxis]) %>')<% else %>'Date'<% end %>;
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chartOptions.yAxis.title.text = <% if params[:yaxis] %>decodeURIComponent('<%= u(params[:yaxis]) %>')<% else %><%= "data.channel.field#{params[:id]}" %><% end %>;
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// set chart labels here so that decoding occurs properly
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chartOptions.title.text = <% if params[:title] %>decodeURIComponent('<%= u(params[:title]) %>')<% else %>data.channel.name<% end %>;
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chartOptions.xAxis.title.text = <% if params[:xaxis] %>decodeURIComponent('<%= u(params[:xaxis]) %>')<% else %>'Date'<% end %>;
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chartOptions.yAxis.title.text = <% if params[:yaxis] %>decodeURIComponent('<%= u(params[:yaxis]) %>')<% else %><%= "data.channel.field#{params[:id]}" %><% end %>;
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// draw the chart
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new Highcharts.Chart(chartOptions);
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// draw the chart
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var dynamicChart = new Highcharts.Chart(chartOptions);
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});
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});
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});
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</script>
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});
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</script>
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</head>
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<body style='background-color: <%= params[:bgcolor] ? params[:bgcolor] : 'white' %>;'>
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<div id="chart-container" style="width: <%= params[:width] ? params[:width].to_i - 25 : @width.to_i - 25 %>px; height: <%= params[:height] ? params[:height].to_i - 25 : @height.to_i - 25 %>px;"></div>
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<div id="chart-container" style="width: <%= params[:width] ? params[:width].to_i - 25 : @width.to_i - 25 %>px; height: <%= params[:height] ? params[:height].to_i - 25 : @height.to_i - 25 %>px;"></div>
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</body>
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</html>
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