2011-03-27 22:56:15 +02:00
<!DOCTYPE html>
<html>
<head>
2013-02-16 03:57:43 +01:00
<script type="text/javascript" src="/javascripts/jquery-1.6.js"></script>
2013-02-16 03:27:56 +01:00
<script type="text/javascript" src="/javascripts/highcharts<%= '-android' if get_header_value('user_agent').upcase.index('ANDROID') %>.js"></script>
2011-05-25 23:09:56 +02:00
<script type="text/javascript">
// user's timezone offset
var myOffset = new Date().getTimezoneOffset();
// converts date format from JSON
function getChartDate(d) {
// get the data using javascript's date object (year, month, day, hour, minute, second)
// months in javascript start at 0, so remember to subtract 1 when specifying the month
// offset in minutes is converted to milliseconds and subtracted so that chart's x-axis is correct
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);
}
2011-03-27 22:56:15 +02:00
2011-05-25 23:09:56 +02:00
$(document).ready(function() {
// blank array for holding chart data
var chartData = [];
// variable for the local date in milliseconds
var localDate;
// variable for the last date added to the chart
var last_date;
2011-03-27 22:56:15 +02:00
2011-05-25 23:09:56 +02:00
// get the data with a webservice call
$.getJSON('<%= "#{@domain}channels/#{params[:channel_id]}/field/#{params[:id]}.json?callback=?&offset=0#{@qs}" %>', function(data) {
// if no access
if (data == '-1') {
$('#chart-container').append('<%= t(:chart_no_access) %>');
}
// iterate through each feed
$.each(data.feeds, function() {
var p = new Highcharts.Point();
// set the proper values
var v = this.field<%= params[:id] %>;
p.x = getChartDate(this.created_at);
p.y = parseFloat(v);
// add location if possible
if (this.location) { p.name = this.location; }
// if a numerical value exists add it
if (!isNaN(parseInt(v))<% if params[:max] %> && p.y <= <%= params[:max]%><% end %><% if params[:min] %> && p.y >= <%= params[:min]%><% end %>) { chartData.push(p); }
});
2011-03-27 22:56:15 +02:00
2011-05-25 23:09:56 +02:00
// specify the chart options
var chartOptions = {
chart: {
renderTo: 'chart-container',
defaultSeriesType: '<%= params[:type] ? "#{params[:type]}" : "line" %>',
backgroundColor: '<%= params[:bgcolor] || "#ffffff" %>',
events: {
load: function() {
if ('true' === '<%= params[:dynamic] %>') {
// push data every 15 seconds
setInterval(function() {
// get the data with a webservice call
$.getJSON('<%= "#{@domain}channels/#{params[:channel_id]}/feed/last.json?callback=?&offset=0&location=true" %>', function(data) {
// if data exists
if (data && data.field<%= params[:id] %>) {
var p = new Highcharts.Point();
// set the proper values
var v = data.field<%= params[:id] %>;
p.x = getChartDate(data.created_at);
p.y = parseFloat(v);
// add location if possible
if (data.location) { p.name = data.location; }
// get the last date if possible
if (dynamicChart.series[0].data.length > 0) { last_date = dynamicChart.series[0].data[dynamicChart.series[0].data.length-1].x; }
// if a numerical value exists and it is a new date, add it
if (!isNaN(parseInt(v)) && (p.x != last_date)<% if params[:max] %> && p.y <= <%= params[:max]%><% end %><% if params[:min] %> && p.y >= <%= params[:min]%><% end %>) {
dynamicChart.series[0].addPoint(p, true, <%= (@push) ? 'true' : 'false' %>);
}
}
});
}, 15000);
}
}
}
},
title: {
text: ''
},
plotOptions: {
line: {
color: '<%= params[:color] || "#d62020" %>'
},
bar: {
color: '<%= params[:color] || "#d62020" %>'
},
column: {
color: '<%= params[:color] || "#d62020" %>'
},
series: {
marker: {
radius: 3
},
animation: true,
2011-05-25 22:58:44 +02:00
step: <%= params[:step] || 'false' %>,
borderWidth: 0
2011-05-25 23:09:56 +02:00
}
},
tooltip: {
// reformat the tooltips so that local times are displayed
formatter: function() {
var d = new Date(this.x + (myOffset*60000));
var n = (this.point.name === undefined) ? '' : '<br/>' + this.point.name;
return this.series.name + ':<b>' + this.y + '</b>' + n + '<br/>' + d.toDateString() + '<br/>' + d.toTimeString().replace(/\(.*\)/, "");
}
},
xAxis: {
type: 'datetime',
title: {
text: ''
}
},
yAxis: {
title: {
text: ''
}
},
legend: {
enabled: false
},
series: [{
name: data.channel.field<%= params[:id] %>
}]
};
2011-03-27 22:56:15 +02:00
2011-05-25 23:09:56 +02:00
// add the data to the chart
chartOptions.series[0].data = chartData;
2011-03-27 22:56:15 +02:00
2011-05-25 23:09:56 +02:00
// set chart labels here so that decoding occurs properly
chartOptions.title.text = <% if params[:title] %>decodeURIComponent('<%= u(params[:title]) %>')<% else %>data.channel.name<% end %>;
chartOptions.xAxis.title.text = <% if params[:xaxis] %>decodeURIComponent('<%= u(params[:xaxis]) %>')<% else %>'Date'<% end %>;
chartOptions.yAxis.title.text = <% if params[:yaxis] %>decodeURIComponent('<%= u(params[:yaxis]) %>')<% else %><%= "data.channel.field#{params[:id]}" %><% end %>;
2011-03-27 22:56:15 +02:00
2011-05-25 23:09:56 +02:00
// draw the chart
var dynamicChart = new Highcharts.Chart(chartOptions);
2011-03-27 22:56:15 +02:00
2011-05-25 23:09:56 +02:00
});
2011-03-27 22:56:15 +02:00
2011-05-25 23:09:56 +02:00
});
</script>
2011-03-27 22:56:15 +02:00
</head>
<body style='background-color: <%= params[:bgcolor] ? params[:bgcolor] : 'white' %>;'>
2011-05-25 23:09:56 +02:00
<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>
2011-03-27 22:56:15 +02:00
</body>
2013-02-16 03:14:51 +01:00
</html>
