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integrated mode for simpler integration #12

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5ff89ae
integrated mode for simpler integration
Jul 20, 2018
49c9d6c
Update leaflet.magnifyingglass.js
andreaci Mar 8, 2019
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33 changes: 33 additions & 0 deletions examples/example.integrated.html
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Original file line number Diff line number Diff line change
@@ -0,0 +1,33 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">

<title>Leaflet MagnifyingGlass example</title>
<link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet/v1.0.0-rc.1/leaflet.css" />
<script src="http://cdn.leafletjs.com/leaflet/v1.0.0-rc.1/leaflet.js"></script>

<link rel="stylesheet" href="../leaflet.magnifyingglass.css" />
<style>
html, body {
height: 100%;
}
#map {
width:100%;
height:600px;
}
</style>

<script src="../leaflet.magnifyingglass.js"></script>
<script src="example.integrated.js"></script>
</head>

<body>
<div id="map"></div>
<div>
<p>Default look and behavior of the magnifying glass, following cursor, and using a zoom level offset set to 3. The magnifying glass uses the same tiles as the main map.</p>
<p>Use the button in the zoom controls to toggle the glass and click it to make it disappear.</p>
<p><a href="https://github.com/bbecquet/Leaflet.MagnifyingGlass">Check the code!</a></p>
</div>
</body>
</html>
26 changes: 26 additions & 0 deletions examples/example.integrated.js
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function init() {
var tileUrl = 'http://b.tile.openstreetmap.org/{z}/{x}/{y}.png';
var tileOptions = {
attribution: '&copy; <a href="http://osm.org/copyright">OpenStreetMap</a> contributors',
subdomains: '1234'
};

var map = new L.Map('map', {
center: [50.0, 10.0],
zoom: 5,
layers: [
L.tileLayer(tileUrl, tileOptions)
]
});

var magnifyingGlass = L.magnifyingGlass({
zoomOffset: 3,
layers: [
L.tileLayer(tileUrl, tileOptions)
],
map: map,
title: 'Magnifying glass'
});
}

window.onload = init;
5 changes: 5 additions & 0 deletions leaflet.magnifyingglass.css
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Original file line number Diff line number Diff line change
Expand Up @@ -18,4 +18,9 @@ applied to the map container */
.leaflet-magnifying-glass-webkit {
border-radius: 50%;
-webkit-mask-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAIAAACQd1PeAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAA5JREFUeNpiYGBgAAgwAAAEAAGbA+oJAAAAAElFTkSuQmCC);
}

.glass-icon {
background-image: url(data:image/png;base64,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);
background-size:50%;
}
41 changes: 40 additions & 1 deletion leaflet.magnifyingglass.js
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Expand Up @@ -6,16 +6,55 @@ L.MagnifyingGlass = L.Layer.extend({
layers: [ ],
fixedPosition: false,
latLng: [0, 0],
fixedZoom: -1
fixedZoom: -1,
title: 'Show glass'
},

initialize: function(options) {
L.Util.setOptions(this, options);
this._fixedZoom = (this.options.fixedZoom != -1);
this._mainMap = null;
this._glassMap = null;

if (options.map)
this.linkToMap(options.map);
},

linkToMap: function (map) {

var container;
if (map.zoomControl) {
container = map.zoomControl._container;
} else {
container = L.DomUtil.create('div', 'leaflet-bar');
}

this._createButton(this.options.title, container, function () {
if (map.hasLayer(this))
map.removeLayer(this);
else
map.addLayer(this);
}, this);

this.on('click', function () {
map.removeLayer(this);
});

},

_createButton: function (title, container, handler, context) {
this.link = L.DomUtil.create('a', 'leaflet-touch glass-icon', container);
this.link.href = '#';
this.link.title = title;

L.DomEvent
.addListener(this.link, 'click', L.DomEvent.stopPropagation)
.addListener(this.link, 'click', L.DomEvent.preventDefault)
.addListener(this.link, 'click', handler, context);

return this.link;
},

getMap: function(){
return this._glassMap;
},
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