447 lines
14 KiB
HTML
447 lines
14 KiB
HTML
<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="chrome=1">
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<meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
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<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.4.0/css/font-awesome.min.css" type="text/css">
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<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" type="text/css">
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<link rel="stylesheet" href="./resources/prism/prism.css" type="text/css">
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<link rel="stylesheet" href="../css/ol.css" type="text/css">
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<link rel="stylesheet" href="./resources/layout.css" type="text/css">
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<script src="./resources/zeroclipboard/ZeroClipboard.min.js"></script>
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<title>Custom interaction example</title>
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</head>
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<body>
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<header class="navbar" role="navigation">
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<div class="container" id="navbar-inner-container">
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<a class="navbar-brand" href="./"><img src="./resources/logo-70x70.png"> OpenLayers 3 Examples</a>
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</div>
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</header>
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<div class="container-fluid">
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<div class="row-fluid">
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<div class="span12">
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<div id="map" class="map"></div>
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</div>
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</div>
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<div class="row-fluid">
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<div class="span12">
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<h4 id="title">Custom interaction example</h4>
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<p id="shortdesc">Example of a custom drag features interaction.</p>
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<div id="docs"><p>This example demonstrates using a custom interaction with OpenLayers, by subclassing <code>ol.interaction.Pointer</code>. Note that the built in interaction <code>ol.interaction.Translate</code> might be a better option for moving features.</p>
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</div>
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<div id="tags">drag, feature, vector, editing, custom, interaction</div>
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<div id="api-links">Related API documentation: <ul class="inline"><li><a href="../apidoc/ol.Feature.html" title="API documentation for ol.Feature">ol.Feature</a></li>,<li><a href="../apidoc/ol.Map.html" title="API documentation for ol.Map">ol.Map</a></li>,<li><a href="../apidoc/ol.View.html" title="API documentation for ol.View">ol.View</a></li>,<li><a href="../apidoc/ol.geom.LineString.html" title="API documentation for ol.geom.LineString">ol.geom.LineString</a></li>,<li><a href="../apidoc/ol.geom.Point.html" title="API documentation for ol.geom.Point">ol.geom.Point</a></li>,<li><a href="../apidoc/ol.geom.Polygon.html" title="API documentation for ol.geom.Polygon">ol.geom.Polygon</a></li>,<li><a href="../apidoc/ol.interaction.html" title="API documentation for ol.interaction">ol.interaction</a></li>,<li><a href="../apidoc/ol.interaction.Pointer.html" title="API documentation for ol.interaction.Pointer">ol.interaction.Pointer</a></li>,<li><a href="../apidoc/ol.layer.Tile.html" title="API documentation for ol.layer.Tile">ol.layer.Tile</a></li>,<li><a href="../apidoc/ol.layer.Vector.html" title="API documentation for ol.layer.Vector">ol.layer.Vector</a></li>,<li><a href="../apidoc/ol.source.TileJSON.html" title="API documentation for ol.source.TileJSON">ol.source.TileJSON</a></li>,<li><a href="../apidoc/ol.source.Vector.html" title="API documentation for ol.source.Vector">ol.source.Vector</a></li>,<li><a href="../apidoc/ol.style.Fill.html" title="API documentation for ol.style.Fill">ol.style.Fill</a></li>,<li><a href="../apidoc/ol.style.Icon.html" title="API documentation for ol.style.Icon">ol.style.Icon</a></li>,<li><a href="../apidoc/ol.style.Stroke.html" title="API documentation for ol.style.Stroke">ol.style.Stroke</a></li>,<li><a href="../apidoc/ol.style.Style.html" title="API documentation for ol.style.Style">ol.style.Style</a></li></ul></div>
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</div>
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</div>
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<div class="row-fluid">
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<div id="source-controls">
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<a id="copy-button"><i class="fa fa-clipboard"></i> Copy</a>
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<a id="jsfiddle-button"><i class="fa fa-jsfiddle"></i> Edit</a>
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</div>
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<form method="POST" id="jsfiddle-form" target="_blank" action="http://jsfiddle.net/api/post/jquery/1.11.0/">
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<textarea class="hidden" name="js">/**
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* Define a namespace for the application.
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*/
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window.app = {};
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var app = window.app;
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/**
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* @constructor
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* @extends {ol.interaction.Pointer}
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*/
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app.Drag = function() {
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ol.interaction.Pointer.call(this, {
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handleDownEvent: app.Drag.prototype.handleDownEvent,
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handleDragEvent: app.Drag.prototype.handleDragEvent,
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handleMoveEvent: app.Drag.prototype.handleMoveEvent,
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handleUpEvent: app.Drag.prototype.handleUpEvent
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});
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/**
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* @type {ol.Pixel}
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* @private
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*/
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this.coordinate_ = null;
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/**
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* @type {string|undefined}
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* @private
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*/
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this.cursor_ = 'pointer';
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/**
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* @type {ol.Feature}
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* @private
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*/
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this.feature_ = null;
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/**
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* @type {string|undefined}
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* @private
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*/
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this.previousCursor_ = undefined;
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};
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ol.inherits(app.Drag, ol.interaction.Pointer);
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/**
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* @param {ol.MapBrowserEvent} evt Map browser event.
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* @return {boolean} `true` to start the drag sequence.
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*/
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app.Drag.prototype.handleDownEvent = function(evt) {
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var map = evt.map;
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var feature = map.forEachFeatureAtPixel(evt.pixel,
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function(feature, layer) {
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return feature;
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});
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if (feature) {
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this.coordinate_ = evt.coordinate;
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this.feature_ = feature;
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}
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return !!feature;
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};
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/**
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* @param {ol.MapBrowserEvent} evt Map browser event.
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*/
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app.Drag.prototype.handleDragEvent = function(evt) {
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var map = evt.map;
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var feature = map.forEachFeatureAtPixel(evt.pixel,
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function(feature, layer) {
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return feature;
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});
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var deltaX = evt.coordinate[0] - this.coordinate_[0];
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var deltaY = evt.coordinate[1] - this.coordinate_[1];
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var geometry = /** @type {ol.geom.SimpleGeometry} */
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(this.feature_.getGeometry());
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geometry.translate(deltaX, deltaY);
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this.coordinate_[0] = evt.coordinate[0];
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this.coordinate_[1] = evt.coordinate[1];
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};
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/**
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* @param {ol.MapBrowserEvent} evt Event.
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*/
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app.Drag.prototype.handleMoveEvent = function(evt) {
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if (this.cursor_) {
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var map = evt.map;
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var feature = map.forEachFeatureAtPixel(evt.pixel,
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function(feature, layer) {
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return feature;
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});
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var element = evt.map.getTargetElement();
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if (feature) {
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if (element.style.cursor != this.cursor_) {
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this.previousCursor_ = element.style.cursor;
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element.style.cursor = this.cursor_;
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}
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} else if (this.previousCursor_ !== undefined) {
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element.style.cursor = this.previousCursor_;
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this.previousCursor_ = undefined;
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}
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}
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};
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/**
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* @param {ol.MapBrowserEvent} evt Map browser event.
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* @return {boolean} `false` to stop the drag sequence.
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*/
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app.Drag.prototype.handleUpEvent = function(evt) {
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this.coordinate_ = null;
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this.feature_ = null;
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return false;
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};
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var pointFeature = new ol.Feature(new ol.geom.Point([0, 0]));
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var lineFeature = new ol.Feature(
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new ol.geom.LineString([[-1e7, 1e6], [-1e6, 3e6]]));
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var polygonFeature = new ol.Feature(
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new ol.geom.Polygon([[[-3e6, -1e6], [-3e6, 1e6],
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[-1e6, 1e6], [-1e6, -1e6], [-3e6, -1e6]]]));
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var map = new ol.Map({
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interactions: ol.interaction.defaults().extend([new app.Drag()]),
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layers: [
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new ol.layer.Tile({
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source: new ol.source.TileJSON({
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url: 'http://api.tiles.mapbox.com/v3/mapbox.geography-class.jsonp'
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})
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}),
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new ol.layer.Vector({
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source: new ol.source.Vector({
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features: [pointFeature, lineFeature, polygonFeature]
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}),
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style: new ol.style.Style({
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image: new ol.style.Icon(/** @type {olx.style.IconOptions} */ ({
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anchor: [0.5, 46],
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anchorXUnits: 'fraction',
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anchorYUnits: 'pixels',
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opacity: 0.95,
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src: 'data/icon.png'
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})),
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stroke: new ol.style.Stroke({
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width: 3,
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color: [255, 0, 0, 1]
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}),
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fill: new ol.style.Fill({
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color: [0, 0, 255, 0.6]
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})
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})
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})
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],
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target: 'map',
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view: new ol.View({
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center: [0, 0],
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zoom: 2
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})
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});
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</textarea>
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<textarea class="hidden" name="css"></textarea>
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<textarea class="hidden" name="html"><div class="row-fluid">
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<div class="span12">
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<div id="map" class="map"></div>
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</div>
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</div>
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</textarea>
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<input type="hidden" name="wrap" value="l">
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<input type="hidden" name="resources" value="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css,https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js,http://openlayers.org/en/v3.9.0/css/ol.css,http://openlayers.org/en/v3.9.0/build/ol.js">
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</form>
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<pre><code id="example-source" class="language-markup"><!DOCTYPE html>
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<html>
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<head>
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<title>Custom interaction example</title>
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<script src="https://code.jquery.com/jquery-1.11.2.min.js"></script>
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<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
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<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
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<link rel="stylesheet" href="http://openlayers.org/en/v3.9.0/css/ol.css" type="text/css">
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<script src="http://openlayers.org/en/v3.9.0/build/ol.js"></script>
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</head>
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<body>
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<div class="container-fluid">
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<div class="row-fluid">
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<div class="span12">
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<div id="map" class="map"></div>
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</div>
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</div>
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</div>
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<script>
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/**
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* Define a namespace for the application.
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*/
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window.app = {};
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var app = window.app;
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/**
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* @constructor
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* @extends {ol.interaction.Pointer}
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*/
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app.Drag = function() {
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ol.interaction.Pointer.call(this, {
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handleDownEvent: app.Drag.prototype.handleDownEvent,
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handleDragEvent: app.Drag.prototype.handleDragEvent,
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handleMoveEvent: app.Drag.prototype.handleMoveEvent,
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handleUpEvent: app.Drag.prototype.handleUpEvent
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});
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/**
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* @type {ol.Pixel}
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* @private
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*/
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this.coordinate_ = null;
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/**
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* @type {string|undefined}
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* @private
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*/
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this.cursor_ = 'pointer';
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/**
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* @type {ol.Feature}
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* @private
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*/
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this.feature_ = null;
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/**
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* @type {string|undefined}
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* @private
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*/
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this.previousCursor_ = undefined;
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};
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ol.inherits(app.Drag, ol.interaction.Pointer);
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/**
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* @param {ol.MapBrowserEvent} evt Map browser event.
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* @return {boolean} `true` to start the drag sequence.
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*/
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app.Drag.prototype.handleDownEvent = function(evt) {
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var map = evt.map;
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var feature = map.forEachFeatureAtPixel(evt.pixel,
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function(feature, layer) {
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return feature;
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});
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if (feature) {
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this.coordinate_ = evt.coordinate;
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this.feature_ = feature;
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}
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return !!feature;
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};
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/**
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* @param {ol.MapBrowserEvent} evt Map browser event.
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*/
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app.Drag.prototype.handleDragEvent = function(evt) {
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var map = evt.map;
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var feature = map.forEachFeatureAtPixel(evt.pixel,
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function(feature, layer) {
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return feature;
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});
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var deltaX = evt.coordinate[0] - this.coordinate_[0];
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var deltaY = evt.coordinate[1] - this.coordinate_[1];
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var geometry = /** @type {ol.geom.SimpleGeometry} */
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(this.feature_.getGeometry());
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geometry.translate(deltaX, deltaY);
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this.coordinate_[0] = evt.coordinate[0];
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this.coordinate_[1] = evt.coordinate[1];
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};
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/**
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* @param {ol.MapBrowserEvent} evt Event.
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*/
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app.Drag.prototype.handleMoveEvent = function(evt) {
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if (this.cursor_) {
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var map = evt.map;
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var feature = map.forEachFeatureAtPixel(evt.pixel,
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function(feature, layer) {
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return feature;
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});
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var element = evt.map.getTargetElement();
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if (feature) {
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if (element.style.cursor != this.cursor_) {
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this.previousCursor_ = element.style.cursor;
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element.style.cursor = this.cursor_;
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}
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} else if (this.previousCursor_ !== undefined) {
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element.style.cursor = this.previousCursor_;
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this.previousCursor_ = undefined;
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}
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}
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};
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/**
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* @param {ol.MapBrowserEvent} evt Map browser event.
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* @return {boolean} `false` to stop the drag sequence.
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*/
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app.Drag.prototype.handleUpEvent = function(evt) {
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this.coordinate_ = null;
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this.feature_ = null;
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return false;
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};
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var pointFeature = new ol.Feature(new ol.geom.Point([0, 0]));
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var lineFeature = new ol.Feature(
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new ol.geom.LineString([[-1e7, 1e6], [-1e6, 3e6]]));
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var polygonFeature = new ol.Feature(
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new ol.geom.Polygon([[[-3e6, -1e6], [-3e6, 1e6],
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[-1e6, 1e6], [-1e6, -1e6], [-3e6, -1e6]]]));
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var map = new ol.Map({
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interactions: ol.interaction.defaults().extend([new app.Drag()]),
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layers: [
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new ol.layer.Tile({
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source: new ol.source.TileJSON({
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url: 'http://api.tiles.mapbox.com/v3/mapbox.geography-class.jsonp'
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})
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}),
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new ol.layer.Vector({
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source: new ol.source.Vector({
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features: [pointFeature, lineFeature, polygonFeature]
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}),
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style: new ol.style.Style({
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image: new ol.style.Icon(/** @type {olx.style.IconOptions} */ ({
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anchor: [0.5, 46],
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anchorXUnits: 'fraction',
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anchorYUnits: 'pixels',
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opacity: 0.95,
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src: 'data/icon.png'
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})),
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stroke: new ol.style.Stroke({
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width: 3,
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color: [255, 0, 0, 1]
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}),
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fill: new ol.style.Fill({
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color: [0, 0, 255, 0.6]
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})
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})
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})
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],
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target: 'map',
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view: new ol.View({
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center: [0, 0],
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zoom: 2
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})
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});
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</script>
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</body>
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</html></code></pre>
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</div>
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</div>
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<script src="https://code.jquery.com/jquery-1.11.2.min.js"></script>
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<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
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<script src="./resources/common.js"></script>
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<script src="./resources/prism/prism.min.js"></script>
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<script src="loader.js?id=drag-features"></script>
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</body>
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</html>
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