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Add drag-and-drop-image-vector example

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Tom Payne
2014-01-22 16:47:33 +01:00
parent b2dc097650
commit e77a5b61d5
2 changed files with 211 additions and 0 deletions
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examples/drag-and-drop-image-vector.html Normal file
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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="chrome=1">
<meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
<link rel="stylesheet" href="../resources/bootstrap/css/bootstrap.min.css" type="text/css">
<link rel="stylesheet" href="../resources/layout.css" type="text/css">
<link rel="stylesheet" href="../resources/bootstrap/css/bootstrap-responsive.min.css" type="text/css">
<title>Drag-and-Drop image vector example</title>
</head>
<body>
<div class="navbar navbar-inverse navbar-fixed-top">
<div class="navbar-inner">
<div class="container">
<a class="brand" href="./"><img src="../resources/logo.png"> OpenLayers 3 Examples</a>
</div>
</div>
</div>
<div class="container-fluid">
<div class="row-fluid">
<div class="span12">
<div id="map" class="map"></div>
</div>
</div>
<div class="row-fluid">
<div class="span4">
<h4 id="title">Drag-and-Drop image vector example</h4>
<p id="shortdesc">Example of using the drag-and-drop interaction with a <code>ol.source.ImageVector</code>. Drag and drop GPX, GeoJSON, IGC, KML, or TopoJSON files on to the map. Each file is rendered to an image on the client.</p>
<div id="docs">
<p>See the <a href="drag-and-drop-image-vector.js" target="_blank">drag-and-drop-image-vector.js source</a> to see how this is done.</p>
</div>
<div id="tags">drag-and-drop-image-vector, gpx, geojson, igc, kml, topojson, vector, image</div>
</div>
<div class="span4 offset4">
<div id="info" class="alert alert-success">
&nbsp;
</div>
</div>
</div>
</div>
<script src="jquery.min.js" type="text/javascript"></script>
<script src="loader.js?id=drag-and-drop-image-vector" type="text/javascript"></script>
<script src="../resources/example-behaviour.js" type="text/javascript"></script>
</body>
</html>

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examples/drag-and-drop-image-vector.js Normal file
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goog.require('ol.Map');
goog.require('ol.RendererHints');
goog.require('ol.View2D');
goog.require('ol.format.GPX');
goog.require('ol.format.GeoJSON');
goog.require('ol.format.IGC');
goog.require('ol.format.KML');
goog.require('ol.format.TopoJSON');
goog.require('ol.interaction');
goog.require('ol.interaction.DragAndDrop');
goog.require('ol.layer.Image');
goog.require('ol.layer.Tile');
goog.require('ol.source.BingMaps');
goog.require('ol.source.ImageVector');
goog.require('ol.source.Vector');
goog.require('ol.style.Circle');
goog.require('ol.style.Fill');
goog.require('ol.style.Stroke');
goog.require('ol.style.Style');
var defaultStyle = {
'Point': [new ol.style.Style({
image: new ol.style.Circle({
fill: new ol.style.Fill({
color: 'rgba(255,255,0,0.5)'
}),
radius: 5,
stroke: new ol.style.Stroke({
color: '#ff0',
width: 1
})
})
})],
'LineString': [new ol.style.Style({
stroke: new ol.style.Stroke({
color: '#f00',
width: 3
})
})],
'Polygon': [new ol.style.Style({
fill: new ol.style.Fill({
color: 'rgba(0,255,255,0.5)'
}),
stroke: new ol.style.Stroke({
color: '#0ff',
width: 1
})
})],
'MultiPoint': [new ol.style.Style({
image: new ol.style.Circle({
fill: new ol.style.Fill({
color: 'rgba(255,0,255,0.5)'
}),
radius: 5,
stroke: new ol.style.Stroke({
color: '#f0f',
width: 1
})
})
})],
'MultiLineString': [new ol.style.Style({
stroke: new ol.style.Stroke({
color: '#0f0',
width: 3
})
})],
'MultiPolygon': [new ol.style.Style({
fill: new ol.style.Fill({
color: 'rgba(0,0,255,0.5)'
}),
stroke: new ol.style.Stroke({
color: '#00f',
width: 1
})
})]
};
var styleFunction = function(feature, resolution) {
var featureStyleFunction = feature.getStyleFunction();
if (featureStyleFunction) {
return featureStyleFunction.call(feature, resolution);
} else {
return defaultStyle[feature.getGeometry().getType()];
}
};
var dragAndDropInteraction = new ol.interaction.DragAndDrop({
formatConstructors: [
ol.format.GPX,
ol.format.GeoJSON,
ol.format.IGC,
ol.format.KML,
ol.format.TopoJSON
]
});
var map = new ol.Map({
interactions: ol.interaction.defaults().extend([dragAndDropInteraction]),
layers: [
new ol.layer.Tile({
source: new ol.source.BingMaps({
imagerySet: 'Aerial',
key: 'Ak-dzM4wZjSqTlzveKz5u0d4IQ4bRzVI309GxmkgSVr1ewS6iPSrOvOKhA-CJlm3'
})
})
],
renderers: ol.RendererHints.createFromQueryData(),
target: 'map',
view: new ol.View2D({
center: [0, 0],
zoom: 2
})
});
dragAndDropInteraction.on('addfeatures', function(event) {
var vectorSource = new ol.source.Vector({
features: event.getFeatures(),
projection: event.getProjection()
});
map.getLayers().push(new ol.layer.Image({
source: new ol.source.ImageVector({
source: vectorSource,
styleFunction: styleFunction
})
}));
var view2D = map.getView().getView2D();
view2D.fitExtent(vectorSource.getExtent(), map.getSize());
});
var displayFeatureInfo = function(pixel) {
var features = [];
map.forEachFeatureAtPixel(pixel, function(feature, layer) {
features.push(feature);
});
if (features.length > 0) {
var info = [];
var i, ii;
for (i = 0, ii = features.length; i < ii; ++i) {
info.push(features[i].get('name'));
}
document.getElementById('info').innerHTML = info.join(', ') || '&nbsp';
} else {
document.getElementById('info').innerHTML = '&nbsp;';
}
};
$(map.getViewport()).on('mousemove', function(evt) {
var pixel = map.getEventPixel(evt.originalEvent);
displayFeatureInfo(pixel);
});
map.on('singleclick', function(evt) {
var pixel = evt.getPixel();
displayFeatureInfo(pixel);
});