ol-ext/examples/layer/map.wikicommons.html
2024-06-26 16:24:06 +02:00

191 lines
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HTML

<!DOCTYPE html>
<html>
<head>
<!--
Copyright (c) 2017-2018 Jean-Marc VIGLINO,
released under CeCILL-B (french BSD like) licence: http://www.cecill.info/
-->
<title>ol-ext: WikiCommons layer</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="description" content="WikiCommons layer for OL3" />
<meta name="keywords" content="ol3, layer, source, vector, wikipedia, wikimedia, commons" />
<!-- jQuery -->
<script type="text/javascript" src="https://code.jquery.com/jquery-1.11.0.min.js"></script>
<!-- Openlayers -->
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/ol@latest/ol.css" />
<script type="text/javascript" src="https://cdn.jsdelivr.net/npm/ol@latest/dist/ol.js"></script>
<!-- ol-ext -->
<link rel="stylesheet" href="../../dist/ol-ext.css" />
<script type="text/javascript" src="../../dist/ol-ext.js"></script>
<!-- Pointer events polyfill for old browsers, see https://caniuse.com/#feat=pointer -->
<script src="https://unpkg.com/elm-pep"></script>
<!-- ol-ext maki and fontawesome defintions used in fontsymbol -->
<script type="text/javascript" src="../../dist/extra/FontAwesomeDef.js"></script>
<!-- filesaver-js -->
<script type="text/javascript" src="https://cdn.rawgit.com/eligrey/FileSaver.js/aa9f4e0e/FileSaver.min.js"></script>
<link rel="stylesheet" href="../style.css" />
<style>
#select img {
max-height: 300px;
}
#map {
width: 600px;
height: 400px;
}
.fullscreen #map {
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
width: 100%;
height: 100%;
z-index: 10;
}
.fullscreen .options.top {
position: fixed;
top: 0;
right: 0;
z-index:10000;
}
</style>
</head>
<body >
<a href="https://github.com/Viglino/ol-ext" class="icss-github-corner"><i></i></a>
<a href="../../index.html">
<h1>ol-ext: WikiCommons layer</h1>
</a>
<p class="info">
<i>ol.layer.WikiCommons</i> is a tile vector layer that use <a href="https://commons.wikimedia.org/">Wikimedia Commons</a>.
</p>
<!-- DIV pour la carte -->
<div id="map"></div>
<div class="options top">
<button onclick="$('body').toggleClass('fullscreen'); map.updateSize();">fullscreen</button>
</div>
<div id ="select" class="options" >Select an item.</div>
<script type="text/javascript">
// The map
var map = new ol.Map({
target: 'map',
view: new ol.View({
zoom: 15,
center: [261204.43490751847, 6250258.191535994]
}),
layers: [ new ol.layer.Tile({ name:"OSM", source: new ol.source.OSM() })]
});
map.addControl(new ol.control.SearchPhoton({ centerOnSelect: true }))
// WikiCommons layer source
var vectorSource = new ol.source.WikiCommons({
// Tile strategy load at zoom 14
strategy: ol.loadingstrategy.tile(ol.tilegrid.createXYZ({ minZoom: 14, maxZoom: 14, tileSize:512 })),
// Bbox strategy : reload at each move
//strategy: ol.loadingstrategy.bbox,
// Language
lang:"fr"
});
// Force layer reload on resolution change
map.getView().on('change:resolution', function(evt){
//vectorSource.clear();
if (map.getView().getZoom() < 14) $(".options").first().text("Zoom to load data...");
else $(".options").first().text("");
});
var iconStyle = [ new ol.style.Style() ];
var selectStyle = [ new ol.style.Style() ];
var vector = new ol.layer.Vector({
name: 'WikiCommons',
source: vectorSource,
// Limit resolution to avoid large area request
maxResolution: 10, // > zoom 14
// y ordering
renderOrder: ol.ordering.yOrdering(),
style: function() { return iconStyle }
});
map.addLayer(vector);
// Control Select
var select = new ol.interaction.Select(
{ style: function(){ return selectStyle; }
})
map.addInteraction(select);
// On select > show information
select.getFeatures().on(['add','remove'], function(e) {
var info = $("#select").html("");
if (e.type=="add") {
var el = e.element;
console.log(el.getProperties())
$("<h2>").text(el.get("title")).appendTo(info);
if (el.get("thumbnail")) {
$("<img>").attr('src',el.get("thumbnail")).appendTo(info)
.wrap($("<a>").attr({href: el.get('descriptionurl'), target:"new" }));
}
$("<p>").html("&copy; WikiCommons - "+el.get('user')+" - "+el.get('copy')).appendTo(info);
}
});
</script>
<!-- Script to test webfont loading -->
<!-- @see https://github.com/zachleat/fontfaceonload -->
<!-- @use https://github.com/typekit/webfontloader -->
<script src="https://ajax.googleapis.com/ajax/libs/webfont/1/webfont.js"></script>
<script type="text/javascript">
WebFont.load({
custom: {
families: ['FontAwesome'],
urls: ['https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css'],
testStrings: { 'FontAwesome': '\uf240' }
},
classes: false,
// Clear the cache and force redraw when fonts are loaded
active: function() {
iconStyle = [ new ol.style.Style({
image: new ol.style.FontSymbol ({
fill: new ol.style.Fill({ color: "#369" }),
stroke: new ol.style.Stroke({ color: "#fff", width: 2 }),
radius: 10,
glyph: "fa-camera"
})
})];
selectStyle = [ new ol.style.Style({
image: new ol.style.FontSymbol ({
fill: new ol.style.Fill({ color:"red" }),
stroke: new ol.style.Stroke({ color: "#fff", width: 2 }),
radius: 12,
glyph: "fa-camera"
})
})];
vector.changed();
console.log("FontAwesome is loaded!");
}
});
function save() {
var format = new ol.format.GeoJSON();
var data = format.writeFeatures(vectorSource.getFeatures(), {
dataProjection: 'EPSG:4326',
featureProjection: map.getView().getProjection()
});
var blob = new Blob([data], {type: "text/plain;charset=utf-8"});
saveAs(blob, "commons.geojson");
}
</script>
<!-- -->
</body>
</html>