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index.html
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<!doctype html>
<html lang="en">
<head>
<link rel="stylesheet" href="https://unpkg.com/leaflet@1.4.0/dist/leaflet.css" integrity="sha512-puBpdR0798OZvTTbP4A8Ix/l+A4dHDD0DGqYW6RQ+9jxkRFclaxxQb/SJAWZfWAkuyeQUytO7+7N4QKrDh+drA==" crossorigin="" />
<style>
body {
font-family: "proxima-nova", "museo", "Helvtica", Arial, sans-serif;
}
.map {
height: 400px;
width: 100%;
margin-bottom: 2em;
}
.log {
height: 200px;
width: 100%;
overflow-y: auto;
border: 1px solid grey;
color: #eeeeee;
background-color: #222222;
font-family: Inconsolata, monospace;
font-size: 1.5em;
}
#wfs3url {
width: 50%;
}
.leaflet-popup-content {
max-height: 250px;
overflow: auto;
}
.fi {
border-spacing: 0px;
border: 1px solid #c3c3c3;
}
.fi td,
.fi th {
padding: 6px;
text-transform: lowercase;
}
.fi td:first-letter,
.fi th:first-letter {
text-transform: capitalize;
}
.fi tr:nth-child(even) {
background-color: #f2f2f2;
}
#map,
#apiinfo {
border: 3px solid #f2f2f2;
margin-bottom: 1em;
}
#apiinfo {
display: inline-flex;
width: 100%;
max-height: 250px;
}
#examples {
padding-right: 1em;
}
#examples button {
font-size: 80%;
margin: 0.1em;
}
#collections {
border-left: 1px solid #f2f2f2;
}
#examples,
#collections {
width: 50%;
padding-left: 1em;
overflow-y: auto;
}
</style>
<script src="https://unpkg.com/leaflet@1.4.0/dist/leaflet.js" integrity="sha512-QVftwZFqvtRNi0ZyCtsznlKSWOStnDORoefr1enyq5mVL4tmKB3S/EnC3rRJcxCPavG10IcrVGSmPh6Qw5lwrg==" crossorigin=""></script>
<script src="https://code.jquery.com/jquery-3.3.1.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
<title>WFS3 OpenGeoGroep demo (Leaflet JS)</title>
</head>
<body>
<h1>WFS 3 test client</h1>
<div>
<p>This client is very basic and work in progress. It's goals is to demonstrate the usage of WFS3 APIs and to test different implementations. Enter a WFS 3 API document URL to see what data is offered by the WFS 3 API. The logging screen below the map
shows which HTTP requests are sent.</p>
<p><label for="wfs3url">WFS 3 API doc URL: <input type="text" id="wfs3url" value="http://localhost:5000/api" onchange="initWFS3(this.value)" autocomplete="off" /> </label>
<button onclick="initWFS3()" id="go">Go</button>
</p>
</div>
<div id="apiinfo">
<div id="examples">
<h2>Examples</h2>
<ul>
<li><button onclick='setWFS3url("http://localhost:5000/api")'>Load API doc</button> <a href="http://localhost:5000/api" target="_blank">http://localhost:5000/api (local testing)</a></li>
<li><button onclick='setWFS3url("https://demo.pygeoapi.io/master/api")'>Load API doc</button> <a href="https://demo.pygeoapi.io/master/api" target="_blank">https://demo.pygeoapi.io/master/api</a></li>
<li><button onclick='setWFS3url("http://wfs3.opengeogroep.nl:5000/api")'>Load API doc</button> <a href="http://wfs3.opengeogroep.nl:5000/api" target="_blank">http://wfs3.opengeogroep.nl:5000/api (OFFLINE)</a></li>
<li><button onclick='setWFS3url("https://www.ldproxy.nrw.de/topographie")'>Load API doc</button> <a href="https://www.ldproxy.nrw.de/topographie" target="_blank">https://www.ldproxy.nrw.de/topographie</a></li>
<li><button onclick='setWFS3url("https://beta-paikkatieto.maanmittauslaitos.fi/geographic-names/wfs3/v1/api")'>Load API doc</button> <a href="https://beta-paikkatieto.maanmittauslaitos.fi/geographic-names/wfs3/v1/api" target="_blank">https://beta-paikkatieto.maanmittauslaitos.fi/geographic-names/wfs3/v1/api</a></li>
<li><button onclick='setWFS3url("https://geo.weather.gc.ca/geomet-beta/features")'>Load API doc</button> <a href="https://geo.weather.gc.ca/geomet-beta/features" target="_blank">https://geo.weather.gc.ca/geomet-beta/features</a></li>
</ul>
</div>
<div id="collections">Load a WFS API document first. Use the examples from the left, or input another one above.
</div>
</div>
<div id="map" class="map"></div>
<div id="log" class="log"></div>
<script>
var map = L.map('map').setView([52.1, 5.2], 9);
L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
attribution: '© <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors'
}).addTo(map);
var _baseurl = ""
var _collectionsurl = wfs3url + "/collections";
var _collectionId = "";
var _collections = []
// TODO: implement
var _limit = 50;
function logUrl(url) {
$("#log").prepend(new Date().toUTCString() + " -> " + url + "</br>");
}
function setWFS3url(wfs3url) {
$("#wfs3url").val(wfs3url);
initWFS3(wfs3url);
}
// init: get the collections of the WFS3 API
function initWFS3(wfs3url) {
$("#go").prop("disabled", true);
if (!wfs3url) wfs3url = $("#wfs3url").val();
$("#collections").html("")
// Access the API doc and try to process the collections resource
$.getJSON(wfs3url, function(data) {
logUrl(wfs3url)
_baseurl = wfs3url.replace("/api", "")
_collectionsurl = _baseurl + "/collections"
// get the collections of the WFS 3 API
$.getJSON(_collectionsurl, function(colldata) {
logUrl(_collectionsurl)
var cnt = 0;
for (var c in colldata["collections"]) {
var coll = colldata["collections"][c];
// get the name as the id
var li = "<p id='li_" + coll["name"] + "'>" +
"<b>" + (coll["title"] || coll["name"]) + "</b><br/>" + (coll["description"] || "") +
"<br/><button onclick='addCollection(\"" + coll["name"] + "\")'>View on map</button></p>";
$("#collections").append(li);
cnt++;
}
$("#go").prop("disabled", false);
$("#collections").prepend("<h2>" + cnt + " collections found</h2>");
});
});
}
function nextData(reqUrl, collectionId) {
// TODO: remove previous data?
loadWFS3Data(reqUrl, collectionId);
}
function addCollection(collectionId) {
_collectionId = collectionId;
var reqUrl = _collectionsurl + "/" + collectionId + "/items";
loadWFS3Data(reqUrl, collectionId);
}
// load geoJSON encoded data from a URL (in fact: from a WFS 3 collection URL)
function loadWFS3Data(reqUrl, collectionId) {
// http://localhost:5000/collections/pc5/items/?&limit=100
$.getJSON(reqUrl, function(data) {
logUrl(reqUrl)
var wfs3layer = L.geoJSON(data, {
style: function(feature) {
// very basic styling..
return {
color: "#0000bb"
};
}
}).bindPopup(function(layer) {
var pp = "<table class='fi'><th colspan='2'>" + collectionId + "</td></th>";
for (var p in layer.feature.properties) {
pp += "<tr><td>" + p + "</td><td> " + layer.feature.properties[p] + "</td></tr>"
}
pp += "</table>"
return pp;
}).addTo(map);
// add the next and prev URLs if provided in the geojson response
var liId = "li_" + collectionId
if ($("#" + liId)) {
for (var l in data.links) {
var lnk = data.links[l];
if (lnk.rel == "next" || lnk.rel == "prev") {
var btnId = "btn_" + lnk.rel + "_" + collectionId
var btn = "<button id='" + btnId + "' onclick='nextData(\"" + lnk.href + "\", \"" + collectionId + "\")'>" + lnk.title + "</button>";
if ($("#" + btnId).length > 0) {
$("#" + btnId).replaceWith(btn)
} else {
$("#" + liId).append(btn)
}
}
}
}
map.fitBounds(wfs3layer.getBounds());
});
}
</script>
</body>
</html>