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<%args>
@features
@overlays
</%args>
<%doc>
Generic Google Maps front end.
<& /elements/gmap.html,
features => [
{ id => 'svc_acct/12',
geometry => {
type => 'Point',
coordinates => [ -86, 40 ], # optionally altitude as the third coord
},
properties => {
# see https://developers.google.com/maps/documentation/javascript/3.exp/reference#Data.StyleOptions
style => {
icon => {
scale => 4,
fillColor => 'orange',
}
},
# content of popup info box (might AJAX this later)
content => '<a href="view/svc_acct.cgi?12">username@example.com</a>',
}
}, # end of feature
],
overlays => [
{ url => 'https://localhost/freeside/view/sector_map-png.html?102',
west => -130.0,
east => -128.0,
south => 10.0,
north => 12.0,
}, # make a ground overlay
],
&>
</%doc>
<%init>
my $apikey = FS::Conf->new->config('google_maps_api_key');
foreach (@features) {
$_->{type} = 'Feature';
# any other per-feature massaging can go here
}
my $tree = {
type => 'FeatureCollection',
features => \@features
};
</%init>
<div id="map_canvas"></div>
<style type="text/css">
html { height: 100% }
body { height: 100%; margin: 0px; padding: 0px }
#map_canvas { height: 100%; }
</style>
<script type="text/javascript" src="https://maps.googleapis.com/maps/api/js?v=3&key=<% $apikey %>">
</script>
<script type="text/javascript">
var data_geojson = <% encode_json($tree) %>;
var data_overlays = <% encode_json(\@overlays) %>;
var baseStyle = {
clickable: true,
icon: {
path: google.maps.SymbolPath.CIRCLE,
scale: 4,
fillColor: 'green',
fillOpacity: 1,
strokeColor: 'black',
strokeWeight: 1,
},
};
var featureStyle = function(feature) {
// jQuery.extend(): merge properties of objects
// 'true' makes it a deep copy; start the merge with {} so that
// baseStyle doesn't get overwritten
return $.extend(true, {}, baseStyle, feature.getProperty('style'));
};
var map;
var overlays = [];
var infoWindow; // shared among all users
var clickHandler = function(ev) {
var feature = ev.feature;
if ( feature.getGeometry().getType() == 'Point' ) {
// then pop up an info box with the feature content
infoWindow.close();
infoWindow.setPosition(feature.getGeometry().get());
if ( feature.getProperty('content') ) {
infoWindow.setContent(feature.getProperty('content'));
} else {
infoWindow.setContent('');
}
if ( feature.getProperty('url') ) {
$.ajax({
url: feature.getProperty('url'),
success: function(data) {
infoWindow.setContent(data);
}
});
infoWindow.open(map);
} else {
infoWindow.open(map);
}
}
// snap to feature ROI if it has one
if ( feature.getProperty('bounds') ) {
map.fitBounds( feature.getProperty('bounds') );
}
};
var initMap = function() {
var canvas = $('#map_canvas');
map = new google.maps.Map(canvas[0], { zoom: 6 });
try {
map.data.addGeoJson(data_geojson);
} catch(ex) {
console.log(ex.toString);
debugger;
}
// construct bounds around all of the features
var bounds = new google.maps.LatLngBounds;
map.data.forEach(function(feature) {
var g = feature.getGeometry();
if (g.getType() == 'Point') {
bounds.extend(g.get());
} else if (g.getArray) {
g.getArray().forEach(function(point) { bounds.extend(point); });
}
});
map.fitBounds(bounds);
map.data.setStyle(featureStyle);
infoWindow = new google.maps.InfoWindow;
map.data.addListener('click', clickHandler);
// xxx remove this later
data_overlays.forEach(function(x) {
var url = x.url;
delete x.url;
var overlay = new google.maps.GroundOverlay( url, x );
overlay.setMap(map);
overlay.setOpacity(0.4);
overlays.push(overlay);
});
}
$().ready( initMap );
</script>
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