68 lines
2.0 KiB
JavaScript
68 lines
2.0 KiB
JavaScript
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define([
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'../Core/defaultValue',
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'../Core/defined',
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'../Core/defineProperties',
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'../Core/DeveloperError',
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'../ThirdParty/knockout'
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], function(
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defaultValue,
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defined,
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defineProperties,
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DeveloperError,
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knockout) {
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'use strict';
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/**
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* A view model which exposes the properties of a toggle button.
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* @alias ToggleButtonViewModel
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* @constructor
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*
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* @param {Command} command The command which will be executed when the button is toggled.
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* @param {Object} [options] Object with the following properties:
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* @param {Boolean} [options.toggled=false] A boolean indicating whether the button should be initially toggled.
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* @param {String} [options.tooltip=''] A string containing the button's tooltip.
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*/
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function ToggleButtonViewModel(command, options) {
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//>>includeStart('debug', pragmas.debug);
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if (!defined(command)) {
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throw new DeveloperError('command is required.');
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}
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//>>includeEnd('debug');
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this._command = command;
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options = defaultValue(options, defaultValue.EMPTY_OBJECT);
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/**
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* Gets or sets whether the button is currently toggled. This property is observable.
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* @type {Boolean}
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* @default false
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*/
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this.toggled = defaultValue(options.toggled, false);
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/**
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* Gets or sets the button's tooltip. This property is observable.
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* @type {String}
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* @default ''
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*/
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this.tooltip = defaultValue(options.tooltip, '');
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knockout.track(this, ['toggled', 'tooltip']);
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}
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defineProperties(ToggleButtonViewModel.prototype, {
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/**
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* Gets the command which will be executed when the button is toggled.
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* @memberof ToggleButtonViewModel.prototype
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* @type {Command}
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*/
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command : {
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get : function() {
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return this._command;
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}
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}
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});
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return ToggleButtonViewModel;
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});
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