Remove old ol.interaction.Modify
This commit is contained in:
Tom Payne
@@ -1 +0,0 @@
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@exportSymbol ol.interaction.Modify
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@@ -1,542 +0,0 @@
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goog.provide('ol.interaction.Modify');
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goog.require('goog.array');
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goog.require('goog.asserts');
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goog.require('goog.events');
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goog.require('goog.functions');
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goog.require('ol.CollectionEventType');
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goog.require('ol.Feature');
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goog.require('ol.FeatureRenderIntent');
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goog.require('ol.MapBrowserEvent.EventType');
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goog.require('ol.ViewHint');
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goog.require('ol.coordinate');
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goog.require('ol.extent');
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goog.require('ol.geom.AbstractCollection');
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goog.require('ol.geom.LineString');
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goog.require('ol.geom.LinearRing');
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goog.require('ol.geom.Point');
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goog.require('ol.geom.Polygon');
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goog.require('ol.interaction.Drag');
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goog.require('ol.layer.Layer');
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goog.require('ol.layer.Vector');
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goog.require('ol.source.Vector');
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goog.require('ol.source.VectorEventType');
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goog.require('ol.structs.RBush');
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/**
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* @typedef {{feature: ol.Feature,
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* geometry: ol.geom.Geometry,
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* index: (number|undefined),
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* style: ol.style.Style,
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* segment: Array.<ol.Extent>}}
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*/
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ol.interaction.SegmentDataType;
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/**
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* @constructor
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* @extends {ol.interaction.Drag}
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* @param {olx.interaction.ModifyOptions=} opt_options Options.
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*/
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ol.interaction.Modify = function(opt_options) {
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goog.base(this);
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var options = goog.isDef(opt_options) ? opt_options : {};
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var layerFilter = options.layers;
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if (!goog.isDef(layerFilter)) {
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layerFilter = goog.functions.TRUE;
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} else if (goog.isArray(layerFilter)) {
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layerFilter = function(layer) {return options.layers.indexOf(layer) > -1;};
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}
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goog.asserts.assertFunction(layerFilter);
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/**
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* @type {function(ol.layer.Layer):boolean}
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* @private
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*/
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this.layerFilter_ = layerFilter;
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/**
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* Layer lookup. Keys source id to layer.
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* @type {Object.<number, ol.layer.Vector>}
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* @private
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*/
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this.layerLookup_ = null;
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/**
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* Temporary sketch layer.
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* @type {ol.layer.Vector}
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* @private
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*/
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this.sketchLayer_ = null;
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/**
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* Editing vertex.
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* @type {ol.Feature}
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* @private
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*/
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this.vertexFeature_ = null;
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/**
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* @type {boolean}
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* @private
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*/
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this.modifiable_ = false;
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/**
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* Segment RBush for each layer
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* @type {Object.<*, ol.structs.RBush>}
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* @private
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*/
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this.rBush_ = null;
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/**
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* @type {number}
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* @private
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*/
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this.pixelTolerance_ = goog.isDef(options.pixelTolerance) ?
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options.pixelTolerance : 20;
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/**
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* @type {Array}
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* @private
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*/
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this.dragSegments_ = null;
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};
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goog.inherits(ol.interaction.Modify, ol.interaction.Drag);
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/**
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* @inheritDoc
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*/
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ol.interaction.Modify.prototype.setMap = function(map) {
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var oldMap = this.getMap();
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var layers;
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if (!goog.isNull(oldMap)) {
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oldMap.removeLayer(this.sketchLayer_);
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layers = oldMap.getLayerGroup().getLayers();
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goog.asserts.assert(goog.isDef(layers));
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layers.forEach(goog.bind(this.removeLayer_, this));
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layers.unlisten(ol.CollectionEventType.ADD, this.handleLayerAdded_, false,
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this);
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layers.unlisten(ol.CollectionEventType.REMOVE, this.handleLayerRemoved_,
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false, this);
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}
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if (!goog.isNull(map)) {
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this.layerLookup_ = {};
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if (goog.isNull(this.rBush_)) {
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this.rBush_ = new ol.structs.RBush();
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}
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if (goog.isNull(this.sketchLayer_)) {
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var sketchLayer = new ol.layer.Vector({
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source: new ol.source.Vector()
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});
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this.sketchLayer_ = sketchLayer;
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sketchLayer.setTemporary(true);
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map.addLayer(sketchLayer);
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}
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layers = map.getLayerGroup().getLayers();
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goog.asserts.assert(goog.isDef(layers));
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layers.forEach(goog.bind(this.addLayer_, this));
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layers.listen(ol.CollectionEventType.ADD, this.handleLayerAdded_, false,
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this);
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layers.listen(ol.CollectionEventType.REMOVE, this.handleLayerRemoved_,
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false, this);
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} else {
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// removing from a map, clean up
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this.layerLookup_ = null;
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this.rBush_ = null;
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this.sketchLayer_ = null;
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}
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goog.base(this, 'setMap', map);
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};
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/**
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* @param {ol.CollectionEvent} evt Event.
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* @private
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*/
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ol.interaction.Modify.prototype.handleLayerAdded_ = function(evt) {
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var layer = evt.getElement();
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goog.asserts.assertInstanceof(layer, ol.layer.Layer);
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this.addLayer_(layer);
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};
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/**
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* Add a layer for modification.
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* @param {ol.layer.Layer} layer Layer.
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* @private
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*/
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ol.interaction.Modify.prototype.addLayer_ = function(layer) {
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if (this.layerFilter_(layer) && layer instanceof ol.layer.Vector &&
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!layer.getTemporary()) {
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var source = layer.getVectorSource();
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this.layerLookup_[goog.getUid(source)] = layer;
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this.addIndex_(source.getFeatures(ol.layer.Vector.selectedFeaturesFilter),
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layer);
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goog.events.listen(source, ol.source.VectorEventType.INTENTCHANGE,
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this.handleIntentChange_, false, this);
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}
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};
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/**
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* @param {ol.CollectionEvent} evt Event.
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* @private
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*/
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ol.interaction.Modify.prototype.handleLayerRemoved_ = function(evt) {
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var layer = evt.getElement();
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goog.asserts.assertInstanceof(layer, ol.layer.Layer);
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this.removeLayer_(layer);
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};
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/**
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* Remove a layer for modification.
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* @param {ol.layer.Layer} layer Layer.
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* @private
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*/
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ol.interaction.Modify.prototype.removeLayer_ = function(layer) {
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if (this.layerFilter_(layer) && layer instanceof ol.layer.Vector &&
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!layer.getTemporary()) {
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var source = layer.getVectorSource();
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delete this.layerLookup_[goog.getUid(source)];
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this.removeIndex_(
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source.getFeatures(ol.layer.Vector.selectedFeaturesFilter));
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goog.events.unlisten(source, ol.source.VectorEventType.INTENTCHANGE,
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this.handleIntentChange_, false, this);
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}
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};
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/**
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* @param {Array.<ol.Feature>} features Array of features.
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* @param {ol.layer.Vector} layer Layer the features belong to.
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* @private
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*/
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ol.interaction.Modify.prototype.addIndex_ = function(features, layer) {
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for (var i = 0, ii = features.length; i < ii; ++i) {
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var feature = features[i];
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var geometry = feature.getGeometry();
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if (geometry instanceof ol.geom.AbstractCollection) {
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var components = geometry.getComponents();
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for (var j = 0, jj = components.length; j < jj; ++j) {
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this.addSegments_(feature, components[j], layer);
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}
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} else {
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this.addSegments_(feature, geometry, layer);
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}
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}
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};
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/**
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* @param {Array.<ol.Feature>} features Array of features.
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* @private
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*/
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ol.interaction.Modify.prototype.removeIndex_ = function(features) {
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var rBush = this.rBush_;
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var nodesToRemove = [];
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var i, feature;
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for (i = features.length - 1; i >= 0; --i) {
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feature = features[i];
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rBush.forEachInExtent(feature.getGeometry().getBounds(), function(node) {
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if (feature === node.feature) {
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nodesToRemove.push(node);
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}
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});
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}
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for (i = nodesToRemove.length - 1; i >= 0; --i) {
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rBush.remove(nodesToRemove[i]);
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}
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};
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/**
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* Listen for feature additions.
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* @param {ol.source.VectorEvent} evt Event object.
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* @private
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*/
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ol.interaction.Modify.prototype.handleIntentChange_ = function(evt) {
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var source = evt.target;
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goog.asserts.assertInstanceof(source, ol.source.Vector);
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var layer = this.layerLookup_[goog.getUid(source)];
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goog.asserts.assertInstanceof(layer, ol.layer.Vector);
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var features = evt.features;
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for (var i = 0, ii = features.length; i < ii; ++i) {
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var feature = features[i];
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var renderIntent = feature.getRenderIntent();
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if (renderIntent == ol.FeatureRenderIntent.SELECTED) {
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this.addIndex_([feature], layer);
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} else {
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this.removeIndex_([feature]);
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}
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}
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};
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/**
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* @param {ol.Feature} feature Feature to add segments for.
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* @param {ol.geom.Geometry} geometry Geometry to add segments for.
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* @param {ol.layer.Vector} layer Vector layer to add segments for.
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* @private
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*/
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ol.interaction.Modify.prototype.addSegments_ =
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function(feature, geometry, layer) {
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var rBush = this.rBush_;
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var segment, segmentData, coordinates;
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if (geometry instanceof ol.geom.Point) {
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coordinates = geometry.getCoordinates();
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segmentData = /** @type {ol.interaction.SegmentDataType} */ ({
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feature: feature,
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geometry: geometry,
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segment: [coordinates, coordinates],
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style: layer.getStyle()
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});
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rBush.insert(geometry.getBounds(), segmentData);
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} else if (geometry instanceof ol.geom.LineString ||
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geometry instanceof ol.geom.LinearRing) {
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coordinates = geometry.getCoordinates();
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for (var i = 0, ii = coordinates.length - 1; i < ii; ++i) {
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segment = coordinates.slice(i, i + 2);
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segmentData = /** @type {ol.interaction.SegmentDataType} */ ({
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feature: feature,
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geometry: geometry,
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index: i,
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style: layer.getStyle(),
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segment: segment
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});
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rBush.insert(ol.extent.boundingExtent(segment), segmentData);
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}
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} else if (geometry instanceof ol.geom.Polygon) {
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var rings = geometry.getRings();
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for (var j = 0, jj = rings.length; j < jj; ++j) {
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this.addSegments_(feature, rings[j], layer);
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}
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}
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};
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/**
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* @param {ol.style.Style} style Style of the layer that the feature being
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* modified belongs to.
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* @param {ol.Coordinate} coordinates Coordinates.
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* @return {ol.Feature} Vertex feature.
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* @private
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*/
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ol.interaction.Modify.prototype.createOrUpdateVertexFeature_ =
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function(style, coordinates) {
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var vertexFeature = this.vertexFeature_;
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if (goog.isNull(vertexFeature)) {
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vertexFeature = new ol.Feature({g: new ol.geom.Point(coordinates)});
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this.vertexFeature_ = vertexFeature;
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this.sketchLayer_.getVectorSource().addFeatures([vertexFeature]);
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} else {
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var point = vertexFeature.getGeometry();
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goog.asserts.assertInstanceof(point, ol.geom.Point);
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point.setCoordinates(coordinates);
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}
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if (this.sketchLayer_.getStyle() !== style) {
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this.sketchLayer_.setStyle(style);
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}
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return vertexFeature;
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};
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/**
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* @inheritDoc
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*/
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ol.interaction.Modify.prototype.handleDragStart = function(evt) {
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this.dragSegments_ = [];
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var vertexFeature = this.vertexFeature_;
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if (!goog.isNull(vertexFeature) && vertexFeature.getRenderIntent() !=
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ol.FeatureRenderIntent.HIDDEN) {
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var renderIntent = vertexFeature.getRenderIntent();
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var insertVertices = [];
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var vertex = vertexFeature.getGeometry().getCoordinates();
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var vertexExtent = ol.extent.boundingExtent([vertex]);
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var distinctFeatures = {};
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var dragSegments = this.dragSegments_;
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this.rBush_.forEachInExtent(vertexExtent, function(node) {
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var segment = node.segment;
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if (!(goog.getUid(node.feature) in distinctFeatures)) {
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var feature = node.feature;
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distinctFeatures[goog.getUid(feature)] = true;
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}
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if (renderIntent == ol.FeatureRenderIntent.TEMPORARY) {
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if (ol.coordinate.equals(segment[0], vertex)) {
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dragSegments.push([node, 0]);
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} else if (ol.coordinate.equals(segment[1], vertex)) {
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dragSegments.push([node, 1]);
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}
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} else if (
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ol.coordinate.squaredDistanceToSegment(vertex, segment) === 0) {
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insertVertices.push([node, vertex]);
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}
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});
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for (var i = insertVertices.length - 1; i >= 0; --i) {
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this.insertVertex_.apply(this, insertVertices[i]);
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}
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}
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return this.modifiable_;
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};
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/**
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* @inheritDoc
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*/
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ol.interaction.Modify.prototype.handleDrag = function(evt) {
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var vertex = evt.getCoordinate();
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for (var i = 0, ii = this.dragSegments_.length; i < ii; ++i) {
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var dragSegment = this.dragSegments_[i];
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var segmentData = dragSegment[0];
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var geometry = segmentData.geometry;
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var coordinates = geometry.getCoordinates();
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var segment = segmentData.segment;
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if (geometry instanceof ol.geom.Point) {
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coordinates = vertex;
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segment[0] = segment[1] = vertex;
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} else {
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var index = dragSegment[1];
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coordinates[segmentData.index + index] = vertex;
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segment[index] = vertex;
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}
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geometry.setCoordinates(coordinates);
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this.createOrUpdateVertexFeature_(segmentData.style, vertex);
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}
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};
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/**
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* @inheritDoc
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*/
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ol.interaction.Modify.prototype.handleDragEnd = function(evt) {
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var segmentData;
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for (var i = this.dragSegments_.length - 1; i >= 0; --i) {
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segmentData = this.dragSegments_[i][0];
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this.rBush_.update(ol.extent.boundingExtent(segmentData.segment),
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segmentData);
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}
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};
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/**
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* @inheritDoc
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*/
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ol.interaction.Modify.prototype.handleMapBrowserEvent =
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function(mapBrowserEvent) {
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if (!mapBrowserEvent.map.getView().getHints()[ol.ViewHint.INTERACTING] &&
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!this.getDragging() &&
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mapBrowserEvent.type == ol.MapBrowserEvent.EventType.MOUSEMOVE) {
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this.handleMouseMove_(mapBrowserEvent);
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}
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goog.base(this, 'handleMapBrowserEvent', mapBrowserEvent);
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return !this.modifiable_;
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};
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/**
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* @param {ol.MapBrowserEvent} evt Event.
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* @private
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*/
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ol.interaction.Modify.prototype.handleMouseMove_ = function(evt) {
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var map = evt.map;
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var pixel = evt.getPixel();
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var pixelCoordinate = map.getCoordinateFromPixel(pixel);
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var sortByDistance = function(a, b) {
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return ol.coordinate.squaredDistanceToSegment(pixelCoordinate, a.segment) -
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ol.coordinate.squaredDistanceToSegment(pixelCoordinate, b.segment);
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};
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var lowerLeft = map.getCoordinateFromPixel(
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[pixel[0] - this.pixelTolerance_, pixel[1] + this.pixelTolerance_]);
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var upperRight = map.getCoordinateFromPixel(
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[pixel[0] + this.pixelTolerance_, pixel[1] - this.pixelTolerance_]);
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var box = ol.extent.boundingExtent([lowerLeft, upperRight]);
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this.modifiable_ = false;
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var vertexFeature = this.vertexFeature_;
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var rBush = this.rBush_;
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var nodes = rBush.getAllInExtent(box);
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var renderIntent = ol.FeatureRenderIntent.HIDDEN;
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if (nodes.length > 0) {
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nodes.sort(sortByDistance);
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var node = nodes[0];
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var segment = node.segment; // the closest segment
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var vertex = (ol.coordinate.closestOnSegment(pixelCoordinate, segment));
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var vertexPixel = map.getPixelFromCoordinate(vertex);
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if (Math.sqrt(ol.coordinate.squaredDistance(pixel, vertexPixel)) <=
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this.pixelTolerance_) {
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var pixel1 = map.getPixelFromCoordinate(segment[0]);
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var pixel2 = map.getPixelFromCoordinate(segment[1]);
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var squaredDist1 = ol.coordinate.squaredDistance(vertexPixel, pixel1);
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var squaredDist2 = ol.coordinate.squaredDistance(vertexPixel, pixel2);
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var dist = Math.sqrt(Math.min(squaredDist1, squaredDist2));
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renderIntent = ol.FeatureRenderIntent.FUTURE;
|
||||
if (dist <= 10) {
|
||||
vertex = squaredDist1 > squaredDist2 ? segment[1] : segment[0];
|
||||
renderIntent = ol.FeatureRenderIntent.TEMPORARY;
|
||||
}
|
||||
vertexFeature = this.createOrUpdateVertexFeature_(node.style, vertex);
|
||||
this.modifiable_ = true;
|
||||
}
|
||||
}
|
||||
|
||||
if (!goog.isNull(vertexFeature) &&
|
||||
renderIntent != vertexFeature.getRenderIntent()) {
|
||||
vertexFeature.setRenderIntent(renderIntent);
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @param {ol.interaction.SegmentDataType} segmentData Segment data.
|
||||
* @param {ol.Coordinate} vertex Vertex.
|
||||
* @private
|
||||
*/
|
||||
ol.interaction.Modify.prototype.insertVertex_ =
|
||||
function(segmentData, vertex) {
|
||||
var segment = segmentData.segment;
|
||||
var feature = segmentData.feature;
|
||||
var geometry = segmentData.geometry;
|
||||
goog.asserts.assertInstanceof(geometry, ol.geom.LineString);
|
||||
var index = segmentData.index;
|
||||
var coordinates = geometry.getCoordinates();
|
||||
coordinates.splice(index + 1, 0, vertex);
|
||||
geometry.setCoordinates(coordinates);
|
||||
var rBush = this.rBush_;
|
||||
goog.asserts.assert(goog.isDef(segment));
|
||||
rBush.remove(segmentData);
|
||||
this.rBush_.forEachInExtent(geometry.getBounds(), function(node) {
|
||||
if (node.geometry === geometry && node.index > index) {
|
||||
++node.index;
|
||||
}
|
||||
});
|
||||
var newSegmentData = /** @type {ol.interaction.SegmentDataType} */ ({
|
||||
style: segmentData.style,
|
||||
segment: [segment[0], vertex],
|
||||
feature: feature,
|
||||
geometry: geometry,
|
||||
index: index
|
||||
});
|
||||
rBush.insert(ol.extent.boundingExtent(newSegmentData.segment),
|
||||
newSegmentData);
|
||||
this.dragSegments_.push([newSegmentData, 1]);
|
||||
newSegmentData = /** @type {ol.interaction.SegmentDataType} */ ({
|
||||
style: segmentData.style,
|
||||
segment: [vertex, segment[1]],
|
||||
feature: feature,
|
||||
geometry: geometry,
|
||||
index: index + 1
|
||||
});
|
||||
rBush.insert(ol.extent.boundingExtent(newSegmentData.segment),
|
||||
newSegmentData);
|
||||
this.dragSegments_.push([newSegmentData, 0]);
|
||||
};
|
||||
Reference in New Issue
Block a user