ol-ext/examples/bar/map.control.editionbar.html
2024-06-26 16:24:06 +02:00

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<html>
<head>
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Copyright (c) 2015-2018 Jean-Marc VIGLINO,
released under CeCILL-B (french BSD like) licence: http://www.cecill.info/
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<title>ol-ext: Control bar (editing example)</title>
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<meta name="description" content="ol.control.Bar is a control bar that contains controls." />
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<style>
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<a href="../../index.html">
<h1>ol-ext: Control bar (editing example)</h1>
</a>
<div class="info">
<i>ol.control.Bar</i> is a panel that contains other controls. You can compose toolbars with it.
<br/>
This example shows an editing toolbar with select, delete, draw (point, linestring and polygon) and an export button.
<p>
If you're looking for a more integrated control see
<a href='map.control.editbar.html'>ol/control/EditBar</a>.
</p>
</div>
<!-- Map div -->
<div id="map" style="width:600px; height:400px;"></div>
<div class="options" >
<ul>
<li>
Position:
<select onchange="mainbar.setPosition(this.value)">
<option value="top">top</option>
<option value="top-left">top-left</option>
<option value="left">left</option>
<option value="bottom-left">bottom-left</option>
<option value="bottom">bottom</option>
<option value="bottom-right">bottom-right</option>
<option value="right">right</option>
<option value="top-right">top-right</option>
</select>
</li>
</ul>
Export:<br />
<textarea id="info" style="width:25em; height:10em"></textarea>
</div>
<script type="text/javascript">
// Vector layer
var vector = new ol.layer.Vector( { source: new ol.source.Vector() })
// The map
var map = new ol.Map({
target: 'map',
view: new ol.View({
zoom: 14,
center: [270701, 6247637]
}),
layers: [
new ol.layer.Tile({ source: new ol.source.OSM() }),
vector
]
});
// Main control bar
var mainbar = new ol.control.Bar();
map.addControl(mainbar);
// Edit control bar
var editbar = new ol.control.Bar({
toggleOne: true, // one control active at the same time
group:false // group controls together
});
mainbar.addControl(editbar);
// Add selection tool:
// 1- a toggle control with a select interaction
// 2- an option bar to delete / get information on the selected feature
var sbar = new ol.control.Bar();
sbar.addControl (new ol.control.Button({
html: '<i class="fa fa-times"></i>',
title: "Delete",
handleClick: function() {
var features = selectCtrl.getInteraction().getFeatures();
if (!features.getLength()) info("Select an object first...");
else info(features.getLength()+" object(s) deleted.");
for (var i=0, f; f=features.item(i); i++) {
vector.getSource().removeFeature(f);
}
selectCtrl.getInteraction().getFeatures().clear();
}
}));
sbar.addControl (new ol.control.Button({
html: '<i class="fa fa-info"></i>',
title: "Show informations",
handleClick: function() {
switch (selectCtrl.getInteraction().getFeatures().getLength()){
case 0: info("Select an object first...");
break;
case 1:
var f = selectCtrl.getInteraction().getFeatures().item(0);
info("Selection is a "+f.getGeometry().getType());
break;
default:
info(selectCtrl.getInteraction().getFeatures().getLength()+ " objects seleted.");
break;
}
}
}));
var selectCtrl = new ol.control.Toggle({
html: '<i class="fa fa-hand-pointer-o"></i>',
title: "Select",
interaction: new ol.interaction.Select ({ hitTolerance: 2 }),
bar: sbar,
autoActivate:true,
active:true
});
editbar.addControl ( selectCtrl);
// Add editing tools
var pedit = new ol.control.Toggle({
html: '<i class="fa fa-map-marker" ></i>',
title: 'Point',
interaction: new ol.interaction.Draw({
type: 'Point',
source: vector.getSource()
})
});
editbar.addControl ( pedit );
var ledit = new ol.control.Toggle({
html: '<i class="fa fa-share-alt" ></i>',
title: 'LineString',
interaction: new ol.interaction.Draw({
type: 'LineString',
source: vector.getSource(),
// Count inserted points
geometryFunction: function(coordinates, geometry) {
if (geometry) geometry.setCoordinates(coordinates);
else geometry = new ol.geom.LineString(coordinates);
this.nbpts = geometry.getCoordinates().length;
return geometry;
}
}),
// Options bar associated with the control
bar: new ol.control.Bar({
controls:[
new ol.control.TextButton({
html: 'undo',
title: "Delete last point",
handleClick: function() {
if (ledit.getInteraction().nbpts>1) ledit.getInteraction().removeLastPoint();
}
}),
new ol.control.TextButton({
html: 'Finish',
title: "finish",
handleClick: function() {
// Prevent null objects on finishDrawing
if (ledit.getInteraction().nbpts>2) ledit.getInteraction().finishDrawing();
}
})
]
})
});
editbar.addControl ( ledit );
var fedit = new ol.control.Toggle({
html: '<i class="fa fa-bookmark-o fa-rotate-270" ></i>',
title: 'Polygon',
interaction: new ol.interaction.Draw({
type: 'Polygon',
source: vector.getSource(),
// Count inserted points
geometryFunction: function(coordinates, geometry) {
this.nbpts = coordinates[0].length;
if (geometry) geometry.setCoordinates([coordinates[0].concat([coordinates[0][0]])]);
else geometry = new ol.geom.Polygon(coordinates);
return geometry;
}
}),
// Options bar ssociated with the control
bar: new ol.control.Bar({
controls:[ new ol.control.TextButton({
html: 'undo',//'<i class="fa fa-mail-reply"></i>',
title: "undo last point",
handleClick: function() {
if (fedit.getInteraction().nbpts>1) fedit.getInteraction().removeLastPoint();
}
}),
new ol.control.TextButton({
html: 'finish',
title: "finish",
handleClick: function() {
// Prevent null objects on finishDrawing
if (fedit.getInteraction().nbpts>3) fedit.getInteraction().finishDrawing();
}
})
]
})
});
editbar.addControl ( fedit );
// Add a simple push button to save features
var save = new ol.control.Button({
html: '<i class="fa fa-download"></i>',
title: "Save",
handleClick: function(e) {
var json= new ol.format.GeoJSON().writeFeatures(vector.getSource().getFeatures());
info(json);
}
});
mainbar.addControl ( save );
// Show info
function info(i){
$("#info").html(i||"");
}
</script>
</body>
</html>