import defined from '../Core/defined.js';
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import DeveloperError from '../Core/DeveloperError.js';
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import Event from '../Core/Event.js';
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import DataSource from './DataSource.js';
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import EntityCluster from './EntityCluster.js';
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import EntityCollection from './EntityCollection.js';
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/**
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* A {@link DataSource} implementation which can be used to manually manage a group of entities.
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*
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* @alias CustomDataSource
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* @constructor
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*
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* @param {String} [name] A human-readable name for this instance.
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*
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* @example
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* var dataSource = new Cesium.CustomDataSource('myData');
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*
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* var entity = dataSource.entities.add({
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* position : Cesium.Cartesian3.fromDegrees(1, 2, 0),
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* billboard : {
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* image : 'image.png'
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* }
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* });
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*
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* viewer.dataSources.add(dataSource);
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*/
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function CustomDataSource(name) {
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this._name = name;
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this._clock = undefined;
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this._changed = new Event();
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this._error = new Event();
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this._isLoading = false;
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this._loading = new Event();
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this._entityCollection = new EntityCollection(this);
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this._entityCluster = new EntityCluster();
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}
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Object.defineProperties(CustomDataSource.prototype, {
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/**
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* Gets or sets a human-readable name for this instance.
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* @memberof CustomDataSource.prototype
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* @type {String}
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*/
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name : {
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get : function() {
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return this._name;
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},
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set : function(value) {
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if (this._name !== value) {
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this._name = value;
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this._changed.raiseEvent(this);
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}
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}
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},
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/**
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* Gets or sets the clock for this instance.
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* @memberof CustomDataSource.prototype
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* @type {DataSourceClock}
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*/
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clock : {
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get : function() {
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return this._clock;
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},
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set : function(value) {
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if (this._clock !== value) {
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this._clock = value;
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this._changed.raiseEvent(this);
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}
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}
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},
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/**
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* Gets the collection of {@link Entity} instances.
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* @memberof CustomDataSource.prototype
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* @type {EntityCollection}
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*/
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entities : {
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get : function() {
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return this._entityCollection;
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}
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},
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/**
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* Gets or sets whether the data source is currently loading data.
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* @memberof CustomDataSource.prototype
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* @type {Boolean}
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*/
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isLoading : {
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get : function() {
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return this._isLoading;
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},
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set : function(value) {
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DataSource.setLoading(this, value);
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}
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},
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/**
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* Gets an event that will be raised when the underlying data changes.
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* @memberof CustomDataSource.prototype
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* @type {Event}
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*/
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changedEvent : {
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get : function() {
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return this._changed;
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}
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},
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/**
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* Gets an event that will be raised if an error is encountered during processing.
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* @memberof CustomDataSource.prototype
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* @type {Event}
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*/
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errorEvent : {
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get : function() {
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return this._error;
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}
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},
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/**
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* Gets an event that will be raised when the data source either starts or stops loading.
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* @memberof CustomDataSource.prototype
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* @type {Event}
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*/
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loadingEvent : {
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get : function() {
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return this._loading;
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}
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},
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/**
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* Gets whether or not this data source should be displayed.
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* @memberof CustomDataSource.prototype
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* @type {Boolean}
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*/
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show : {
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get : function() {
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return this._entityCollection.show;
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},
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set : function(value) {
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this._entityCollection.show = value;
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}
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},
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/**
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* Gets or sets the clustering options for this data source. This object can be shared between multiple data sources.
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*
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* @memberof CustomDataSource.prototype
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* @type {EntityCluster}
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*/
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clustering : {
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get : function() {
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return this._entityCluster;
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},
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set : function(value) {
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//>>includeStart('debug', pragmas.debug);
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if (!defined(value)) {
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throw new DeveloperError('value must be defined.');
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}
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//>>includeEnd('debug');
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this._entityCluster = value;
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}
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}
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});
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export default CustomDataSource;
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