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Make property notification and CompositeEntityCollection work.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,104 @@ | ||
| /*global define*/ | ||
| define([ | ||
| '../Core/defaultValue', | ||
| '../Core/defined', | ||
| '../Core/defineProperties', | ||
| '../Core/DeveloperError', | ||
| '../Core/Event', | ||
| './createMaterialPropertyDescriptor', | ||
| './createPropertyDescriptor' | ||
| ], function( | ||
| defaultValue, | ||
| defined, | ||
| defineProperties, | ||
| DeveloperError, | ||
| Event, | ||
| createMaterialPropertyDescriptor, | ||
| createPropertyDescriptor) { | ||
| 'use strict'; | ||
|
|
||
| /** | ||
| * Describes arbitrary properties of an {@link Entity}. | ||
| * | ||
| * @alias ArbitraryProperties | ||
| * @constructor | ||
| * | ||
| * @param {Object} [options] Object with arbitrary properties to assign to this instance. | ||
| * | ||
| * @see Entity | ||
| */ | ||
| function ArbitraryProperties(options) { | ||
| this._definitionChanged = new Event(); | ||
| this._propertyNames = []; | ||
| this.merge(defaultValue(options, defaultValue.EMPTY_OBJECT)); | ||
| } | ||
|
|
||
| defineProperties(ArbitraryProperties.prototype, { | ||
| /** | ||
| * Gets the event that is raised whenever a property or sub-property is changed or modified. | ||
| * @memberof ArbitraryProperties.prototype | ||
| * @type {Event} | ||
| * @readonly | ||
| */ | ||
| definitionChanged : { | ||
| get : function() { | ||
| return this._definitionChanged; | ||
| } | ||
| } | ||
| }); | ||
|
|
||
| /** | ||
| * Duplicates this instance. | ||
| * | ||
| * @param {ArbitraryProperties} [result] The object onto which to store the result. | ||
| * @returns {ArbitraryProperties} The modified result parameter or a new instance if one was not provided. | ||
| */ | ||
| ArbitraryProperties.prototype.clone = function(result) { | ||
| if (!defined(result)) { | ||
| result = new ArbitraryProperties(); | ||
| } | ||
|
|
||
| for (var i = 0; i < this._propertyNames.length; ++i) { | ||
| var propertyName = this._propertyNames[i]; | ||
| result.addProperty(propertyName); | ||
| result[propertyName] = this[propertyName]; | ||
| } | ||
|
|
||
| return result; | ||
| }; | ||
|
|
||
| /** | ||
| * Assigns each unassigned property on this object to the value | ||
| * of the same property on the provided source object. | ||
| * | ||
| * @param {ArbitraryProperties} source The object to be merged into this object. | ||
| */ | ||
| ArbitraryProperties.prototype.merge = function(source) { | ||
| //>>includeStart('debug', pragmas.debug); | ||
| if (!defined(source)) { | ||
| throw new DeveloperError('source is required.'); | ||
| } | ||
| //>>includeEnd('debug'); | ||
|
|
||
| var propertyNames = source._propertyNames || Object.keys(source); | ||
| for (var i = 0; i < propertyNames.length; ++i) { | ||
| var propertyName = propertyNames[i]; | ||
| this.addProperty(propertyName); | ||
| this[propertyName] = defaultValue(this[propertyName], source[propertyName]); | ||
| } | ||
| }; | ||
|
|
||
| /** | ||
| * Adds a property if it doesn't already exist. If it does exist, this function does nothing. | ||
| * | ||
| * @param {String} propertyName The name of the property to add. | ||
| */ | ||
| ArbitraryProperties.prototype.addProperty = function(propertyName) { | ||
| if (!defined(Object.getOwnPropertyDescriptor(this, propertyName))) { | ||
| Object.defineProperty(this, propertyName, createPropertyDescriptor(propertyName)); | ||
| this._propertyNames.push(propertyName); | ||
| } | ||
| }; | ||
|
|
||
| return ArbitraryProperties; | ||
| }); |
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