mirror of
https://github.com/Viglino/ol-ext.git
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263 lines
8.4 KiB
HTML
263 lines
8.4 KiB
HTML
<!DOCTYPE html>
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<!----------------------------------------------------------
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Copyright (c) 2015 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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<html>
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<head>
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<title>OL3-ext: Control bar (editing example)</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.control.Bar is a control bar that contains controls." />
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<meta name="keywords" content="ol3, control, bar, panel, ol3, openlayers, 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="http://code.jquery.com/jquery-1.11.0.min.js"></script>
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<!-- FontAwesome -->
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<link rel="stylesheet" href="http://fontawesome.io/assets/font-awesome/css/font-awesome.css" type="text/css" />
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<!-- OL3 -->
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<link rel="stylesheet" href="http://openlayers.org/en/master/css/ol.css" />
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<script type="text/javascript" src="http://openlayers.org/en/master/build/ol.js"></script>
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<!-- controls -->
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<link rel="stylesheet" href="../control/controlbar.css" type="text/css" />
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<script type="text/javascript" src="../control/controlbar.js"></script>
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<script type="text/javascript" src="../control/buttoncontrol.js"></script>
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<script type="text/javascript" src="../control/togglecontrol.js"></script>
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<style>
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.ol-button i
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{ color: inherit;
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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/ol3-ext"><img style="position: absolute; top: 0; right: 0; border: 0;" src="https://camo.githubusercontent.com/38ef81f8aca64bb9a64448d0d70f1308ef5341ab/68747470733a2f2f73332e616d617a6f6e6177732e636f6d2f6769746875622f726962626f6e732f666f726b6d655f72696768745f6461726b626c75655f3132313632312e706e67" alt="Fork me on GitHub" data-canonical-src="https://s3.amazonaws.com/github/ribbons/forkme_right_darkblue_121621.png"></a>
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<a href="../index.html">
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<h1>OL3-ext: Control bar (editing example)</h1>
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</a>
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<div class="info">
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<i>ol.control.Bar</i> is a panel that contains other controls. You can compose toolbars with it.
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<br/>
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This example shows an editing toolbar with select, delete, draw (point, linestring and polygon) and an export button.
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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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<ul>
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<li>
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Position:
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<select onchange="mainbar.setPosition(this.value)">
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<option value="top">top</option>
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<option value="top-left">top-left</option>
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<option value="left">left</option>
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<option value="bottom-left">bottom-left</option>
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<option value="bottom">bottom</option>
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<option value="bottom-right">bottom-right</option>
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<option value="right">right</option>
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<option value="top-right">top-right</option>
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</select>
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</li>
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</ul>
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Export:<br />
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<textarea id="info" style="width:25em; height:10em"></textarea>
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</div>
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<script type="text/javascript">
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// Vector layer
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var vector = new ol.layer.Vector( { source: new ol.source.Vector() })
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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: 14,
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center: [270701, 6247637]
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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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// Edit control bar
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var editbar = new ol.control.Bar(
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{ toggleOne: true, // one control active at the same time
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group:false // group controls together
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});
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mainbar.addControl(editbar);
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// Add selection tool:
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// 1- a toggle control with a select interaction
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// 2- an option bar to delete / get information on the selected feature
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var sbar = new ol.control.Bar();
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sbar.addControl (new ol.control.TextButton(
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{ html: '<i class="fa fa-times"></i>',
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title: "Delete",
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handleClick: function()
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{ var features = selectCtrl.getInteraction().getFeatures();
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if (!features.getLength()) info("Select an object first...");
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else info(features.getLength()+" object(s) deleted.");
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for (var i=0, f; f=features.item(i); i++)
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{ vector.getSource().removeFeature(f);
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}
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selectCtrl.getInteraction().getFeatures().clear();
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}
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}));
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sbar.addControl (new ol.control.TextButton(
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{ html: '<i class="fa fa-info"></i>',
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title: "Show informations",
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handleClick: function()
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{ switch (selectCtrl.getInteraction().getFeatures().getLength())
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{ case 0: info("Select an object first...");
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break;
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case 1:
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var f = selectCtrl.getInteraction().getFeatures().item(0);
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info("Selection is a "+f.getGeometry().getType());
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break;
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default:
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info(selectCtrl.getInteraction().getFeatures().getLength()+ " objects seleted.");
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break;
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}
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}
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}));
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var selectCtrl = new ol.control.Toggle(
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{ html: '<i class="fa fa-hand-pointer-o"></i>',
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title: "Select",
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interaction: new ol.interaction.Select (),
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bar: sbar,
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active:true
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});
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editbar.addControl ( selectCtrl);
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// Add editing tools
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var pedit = new ol.control.Toggle(
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{ html: '<i class="fa fa-map-marker" ></i>',
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title: 'Point',
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interaction: new ol.interaction.Draw
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({ type: 'Point',
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source: vector.getSource()
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})
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});
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editbar.addControl ( pedit );
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var ledit = new ol.control.Toggle(
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{ html: '<i class="fa fa-share-alt" ></i>',
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title: 'LineString',
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interaction: new ol.interaction.Draw
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({ type: 'LineString',
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source: vector.getSource()
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}),
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// Options bar associated with the control
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bar: new ol.control.Bar(
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{ controls:[ new ol.control.TextButton(
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{ html: 'undo',
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title: "Delete last point",
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handleClick: function()
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{ try { ledit.getInteraction().removeLastPoint(); } catch(e){};
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}
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}),
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new ol.control.TextButton(
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{ html: 'Finish',
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title: "finish",
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handleClick: function()
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{ // Prevent null objects on finishDrawing
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var drawi = ledit.getInteraction();
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var lkey = drawi.on('drawend', function(e)
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{ ol.Observable.unByKey(lkey);
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//drawi.unByKey(lkey);
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var c = e.feature.getGeometry().getCoordinates();
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if (c.length < 2)
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{ throw "Bad LineString";
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}
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});
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try { drawi.finishDrawing(); }
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catch(e)
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{ ol.Observable.unByKey(lkey);
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//drawi.unByKey(lkey);
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}
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}
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})
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]
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})
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});
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editbar.addControl ( ledit );
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var fedit = new ol.control.Toggle(
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{ html: '<i class="fa fa-bookmark-o fa-rotate-270" ></i>',
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title: 'Polygon',
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interaction: new ol.interaction.Draw
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({ type: 'Polygon',
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source: vector.getSource()
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}),
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// Options bar ssociated with the control
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bar: new ol.control.Bar(
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{ controls:[ new ol.control.TextButton(
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{ html: 'undo',//'<i class="fa fa-mail-reply"></i>',
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title: "undo last point",
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handleClick: function()
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{ try { fedit.getInteraction().removeLastPoint(); } catch(e){}
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}
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}),
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new ol.control.TextButton(
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{ html: 'finish',
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title: "finish",
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handleClick: function()
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{ // Prevent null objects on finishDrawing
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var drawi = fedit.getInteraction();
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var lkey = drawi.on('drawend', function(e)
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{ ol.Observable.unByKey(lkey);
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//drawi.unByKey(lkey);
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var c = e.feature.getGeometry().getCoordinates();
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if (c[0].length < 4)
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{ throw "Bad Polygon";
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}
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});
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try { drawi.finishDrawing(); }
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catch(e)
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{ ol.Observable.unByKey(lkey);
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//drawi.unByKey(lkey);
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}
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}
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})
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]
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})
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});
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editbar.addControl ( fedit );
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// Add a simple push button to save features
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var save = new ol.control.Button(
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{ html: '<i class="fa fa-download"></i>',
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title: "Save",
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handleClick: function(e)
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{ var json= new ol.format.GeoJSON().writeFeatures(vector.getSource().getFeatures());
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info(json);
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}
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});
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mainbar.addControl ( save );
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// Show info
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function info(i)
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{ $("#info").html(i||"");
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}
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</script>
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</body>
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</html> |