mirror of
https://github.com/Viglino/ol-ext.git
synced 2026-01-25 17:36:21 +00:00
219 lines
6.5 KiB
HTML
219 lines
6.5 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<!--
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Copyright (c) 2015-2018 Jean-Marc VIGLINO,
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released under CeCILL-B (french BSD like) licence: http://www.cecill.info/
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-->
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<title>ol-ext: Undo/redo</title>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="description" content="ol.interaction.UndoRedo is an interaction to handle undo on a map." />
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<meta name="keywords" content="ol, openlayers, undo, interaction" />
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<link rel="stylesheet" href="../style.css" />
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<!-- jQuery -->
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<script type="text/javascript" src="https://code.jquery.com/jquery-1.11.0.min.js"></script>
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<!-- FontAwesome -->
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<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
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<!-- Openlayers -->
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<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/ol@latest/ol.css" />
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<script type="text/javascript" src="https://cdn.jsdelivr.net/npm/ol@latest/dist/ol.js"></script>
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<!-- ol-ext -->
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<link rel="stylesheet" href="../../dist/ol-ext.css" />
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<script type="text/javascript" src="../../dist/ol-ext.js"></script>
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<!-- Pointer events polyfill for old browsers, see https://caniuse.com/#feat=pointer -->
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<script src="https://unpkg.com/elm-pep"></script>
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<style>
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.options label {
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width: 8em;
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display: inline-block;
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text-align: right;
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margin-right: .5em;
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}
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.options button {
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float: right;
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margin: 1em 0;
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}
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</style>
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</head>
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<body >
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<a href="https://github.com/Viglino/ol-ext" class="icss-github-corner"><i></i></a>
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<a href="../../index.html">
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<h1>ol-ext: Undo/redo attributes</h1>
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</a>
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<div class="info">
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<p>
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<i>ol/interaction/UndoRedo</i> is an interaction to handle undo/redo on a map.
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<br/>
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This example shows how to use an <i>ol/interaction/FillAttribute</i> to handle undo/redo when editing features attributes.
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</p>
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<p>
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<span class="experimental">Experimental</span>
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this feature is still in progress and may be buggy.
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</p>
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</div>
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<!-- Map div -->
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<div id="map" style="width:600px; height:400px;"></div>
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<div class="options" >
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<i>Select an object to modify...</i>
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</div>
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<script type="text/javascript">
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// GeoJSON layer
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var vectorSource = new ol.source.Vector({
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url: '../data/departements.geojson',
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format: new ol.format.GeoJSON(),
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attributions: [ "© <a href='https://www.insee.fr'>INSEE</a>", "© <a href='https://www.data.gouv.fr/fr/datasets/geofla-r/'>IGN</a>" ],
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});
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var listenerKey = vectorSource.on('change',function(e){
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if (vectorSource.getState() === 'ready') {
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ol.Observable.unByKey(listenerKey);
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// Clear undo/redo on load
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undoInteraction.clear();
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}
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});
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var vector = new ol.layer.Vector( {
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source: vectorSource,
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style: function (f) {
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return new ol.style.Style({
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text: new ol.style.Text({
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text: f.get('id'),
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font: 'bold 11px sans-serif',
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stroke: new ol.style.Stroke({ width: 1.5, color: [255,255,255] }),
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}),
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stroke: new ol.style.Stroke({ width: 2.5, color: f.get('color') || [255,128,0] }),
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fill: new ol.style.Fill({ color: (f.get('color') || [255,128,0]).concat([.3]) })
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})
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}
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});
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// The map
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var map = new ol.Map ({
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target: 'map',
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view: new ol.View ({
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zoom: 6,
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center: [180000, 6060000]
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}),
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layers: [
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new ol.layer.Tile({ source: new ol.source.OSM() }),
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vector
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]
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});
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// Main control bar
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var mainbar = new ol.control.Bar();
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map.addControl(mainbar);
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// Editbar
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var editbar = new ol.control.EditBar ({
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source: vector.getSource(),
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edition: false,
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interactions: {
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Select: new ol.interaction.Select({
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condition: ol.events.condition.click,
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style: function(f) {
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return new ol.style.Style({
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fill: new ol.style.Fill({
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color: [255,0,0, .5]
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}),
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text: new ol.style.Text({
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text: f.get('id'),
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font: 'bold 11px sans-serif',
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stroke: new ol.style.Stroke({ width: 1.5, color: [255,255,255] }),
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})
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})
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}
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}),
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Info: false, Split: false, Offset: false
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}
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});
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mainbar.addControl(editbar);
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// Undo redo interaction
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var undoInteraction = new ol.interaction.UndoRedo();
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map.addInteraction(undoInteraction);
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// Add buttons to the bar
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var bar = new ol.control.Bar({
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group: true,
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controls: [
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new ol.control.Button({
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html: '<i class="fa fa-undo" ></i>',
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title: 'undo...',
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handleClick: function() {
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undoInteraction.undo();
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}
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}),
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new ol.control.Button({
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html: '<i class="fa fa-repeat" ></i>',
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title: 'redo...',
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handleClick: function() {
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undoInteraction.redo();
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}
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})
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]
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});
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mainbar.addControl(bar);
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// undo/redo attributes
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var fillAttr = new ol.interaction.FillAttribute({active:false});
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map.addInteraction(fillAttr);
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// Refresh attribute
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function refresh(e) {
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var options = $('.options').html('');
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var selection = editbar.getInteraction('Select').getFeatures();
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if (selection.getLength()===1) {
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var f = selection.item(0);
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var attributes = f.getProperties();
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for (var i in attributes) {
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if (i!=='geometry') {
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$('<label>').html(i).appendTo(options);
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$('<input>').data('attr', i)
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.val(attributes[i])
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.attr('type', typeof attributes[i])
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.appendTo(options);
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$('<br>').appendTo(options);
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}
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}
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$('<button>').text('Modify')
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.click(function(){
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var attr = {};
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var nb = 0;
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$('input', options).each(function(){
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var val = $(this).val();
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if ($(this).attr('type')==='number') val = Number(val);
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if (f.get($(this).data('attr')) !== val) {
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attr[$(this).data('attr')] = val;
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nb++;
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}
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});
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if (nb) fillAttr.fill([f], attr);
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})
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.appendTo(options)
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}
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}
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// Edit attributes on select
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editbar.getInteraction('Select').on('select', refresh);
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// Refresh on undo
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undoInteraction.on(['undo','redo'], refresh);
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</script>
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</body>
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</html> |