thingspeak/app/views/maps/show.html.erb

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<!DOCTYPE html>
<html>
<head>
<script type="text/javascript" src="<%= @map_domain %>/maps/api/js?sensor=false"></script>
<script type="text/javascript">
// when document is ready
$(function() {
// google maps options
var myOptions = {
mapTypeId: google.maps.MapTypeId.ROADMAP
};
var map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);
var bounds = new google.maps.LatLngBounds();
var lat, lng, latlng, marker, title, field1, field2, field3, field4, field5, field6, field7, field8;
// get the data with a webservice call
$.getJSON('<%= "#{@domain}channels/#{params[:channel_id]}/feed.json?callback=?&location=true&offset=0#{@qs}" %>', function(data) {
// if no access
if (data == '-1') {
$('#chart-container').append('<%= t(:chart_no_access) %>');
}
// set channel field names
if (data.channel.field1) { field1 = data.channel.field1; }
if (data.channel.field2) { field2 = data.channel.field2; }
if (data.channel.field3) { field3 = data.channel.field3; }
if (data.channel.field4) { field4 = data.channel.field4; }
if (data.channel.field5) { field5 = data.channel.field5; }
if (data.channel.field6) { field6 = data.channel.field6; }
if (data.channel.field7) { field7 = data.channel.field7; }
if (data.channel.field8) { field8 = data.channel.field8; }
// iterate through each feed
$.each(data.feeds, function() {
lat = parseFloat(this.latitude);
lng = parseFloat(this.longitude);
// if there is data to add
if (lat && lng) {
latlng = new google.maps.LatLng(lat, lng);
title = '';
if (this.field1) { title += field1 + ': ' + this.field1 + '\n'; }
if (this.field2) { title += field2 + ': ' + this.field2 + '\n'; }
if (this.field3) { title += field3 + ': ' + this.field3 + '\n'; }
if (this.field4) { title += field4 + ': ' + this.field4 + '\n'; }
if (this.field5) { title += field5 + ': ' + this.field5 + '\n'; }
if (this.field6) { title += field6 + ': ' + this.field6 + '\n'; }
if (this.field7) { title += field7 + ': ' + this.field7 + '\n'; }
if (this.field8) { title += field8 + ': ' + this.field8 + '\n'; }
if (this.status) { title += this.status; }
marker = new google.maps.Marker({
position: latlng,
title: title
});
marker.setMap(map);
bounds.extend(latlng);
}
});
// if no latlng set, center map
if (latlng === undefined) {
latlng = new google.maps.LatLng(38.5111, -96.8005);
map.setCenter(latlng);
map.setZoom(3);
// if only one data point, set zoom level
} else if (data.feeds.length == 1) {
map.setCenter(latlng);
map.setZoom(8);
} else {
// extend the bounds
map.fitBounds(bounds);
}
// push data every 15 seconds
setInterval(function() {
// get the data with a webservice call
$.getJSON('<%= "#{@domain}channels/#{params[:channel_id]}/feed/last.json?callback=?&location=true&offset=0#{@qs}" %>', function(data) {
// if there is data to add
if (data) {
lat = parseFloat(data.latitude);
lng = parseFloat(data.longitude);
if (lat && lng) {
latlng = new google.maps.LatLng(lat, lng);
title = '';
if (data.field1) { title += field1 + ': ' + data.field1 + '\n'; }
if (data.field2) { title += field2 + ': ' + data.field2 + '\n'; }
if (data.field3) { title += field3 + ': ' + data.field3 + '\n'; }
if (data.field4) { title += field4 + ': ' + data.field4 + '\n'; }
if (data.field5) { title += field5 + ': ' + data.field5 + '\n'; }
if (data.field6) { title += field6 + ': ' + data.field6 + '\n'; }
if (data.field7) { title += field7 + ': ' + data.field7 + '\n'; }
if (data.field8) { title += field8 + ': ' + data.field8 + '\n'; }
if (data.status) { title += data.status; }
marker = new google.maps.Marker({
position: latlng,
title: title
});
marker.setMap(map);
}
}
});
}, 15000);
});
});
</script>
</head>
<body style="padding: 0; margin: 0;">
<div id="map_canvas" style="width: <%= params[:width] ? params[:width].to_i : @width.to_i %>px; height: <%= params[:height] ? params[:height].to_i : @height.to_i %>px;"></div>
</body>
</html>