142 lines
2.8 KiB
JavaScript
142 lines
2.8 KiB
JavaScript
goog.provide('ol.Feature');
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goog.require('goog.events');
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goog.require('goog.events.EventType');
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goog.require('ol.Object');
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goog.require('ol.geom.Geometry');
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/**
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* @enum {string}
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*/
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ol.FeatureProperty = {
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GEOMETRY: 'geometry'
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};
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/**
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* @constructor
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* @extends {ol.Object}
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* @param {ol.geom.Geometry|Object.<string, *>} geometryOrValues Values.
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*/
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ol.Feature = function(geometryOrValues) {
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goog.base(this);
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/**
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* @private
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* @type {number|string|undefined}
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*/
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this.id_ = undefined;
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/**
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* @private
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* @type {number}
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*/
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this.revision_ = 0;
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/**
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* @private
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* @type {goog.events.Key}
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*/
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this.geometryChangeKey_ = null;
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goog.events.listen(
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this, ol.Object.getChangeEventType(ol.FeatureProperty.GEOMETRY),
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this.handleGeometryChanged_, false, this);
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if (geometryOrValues instanceof ol.geom.Geometry) {
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var geometry = /** @type {ol.geom.Geometry} */ (geometryOrValues);
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this.setGeometry(geometry);
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} else {
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var values = /** @type {Object.<string, *>} */ (geometryOrValues);
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this.setValues(values);
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}
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};
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goog.inherits(ol.Feature, ol.Object);
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/**
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* FIXME empty description for jsdoc
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*/
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ol.Feature.prototype.dispatchChangeEvent = function() {
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++this.revision_;
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this.dispatchEvent(goog.events.EventType.CHANGE);
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};
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/**
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* @return {ol.geom.Geometry|undefined} Geometry.
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*/
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ol.Feature.prototype.getGeometry = function() {
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return /** @type {ol.geom.Geometry|undefined} */ (
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this.get(ol.FeatureProperty.GEOMETRY));
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};
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goog.exportProperty(
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ol.Feature.prototype,
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'getGeometry',
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ol.Feature.prototype.getGeometry);
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/**
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* @return {number|string|undefined} Id.
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*/
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ol.Feature.prototype.getId = function() {
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return this.id_;
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};
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/**
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* @return {number} Revision.
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*/
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ol.Feature.prototype.getRevision = function() {
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return this.revision_;
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};
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/**
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* @private
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*/
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ol.Feature.prototype.handleGeometryChange_ = function() {
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this.dispatchChangeEvent();
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};
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/**
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* @private
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*/
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ol.Feature.prototype.handleGeometryChanged_ = function() {
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if (!goog.isNull(this.geometryChangeKey_)) {
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goog.events.unlistenByKey(this.geometryChangeKey_);
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this.geometryChangeKey_ = null;
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}
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var geometry = this.getGeometry();
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if (goog.isDef(geometry)) {
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this.geometryChangeKey_ = goog.events.listen(geometry,
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goog.events.EventType.CHANGE, this.handleGeometryChange_, false, this);
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}
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this.dispatchChangeEvent();
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};
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/**
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* @param {ol.geom.Geometry|undefined} geometry Geometry.
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*/
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ol.Feature.prototype.setGeometry = function(geometry) {
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this.set(ol.FeatureProperty.GEOMETRY, geometry);
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};
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goog.exportProperty(
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ol.Feature.prototype,
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'setGeometry',
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ol.Feature.prototype.setGeometry);
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/**
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* @param {number|string|undefined} id Id.
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*/
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ol.Feature.prototype.setId = function(id) {
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this.id_ = id;
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};
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