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Contents
/*global define*/ define(['Core/DeveloperError'], function( DeveloperError) { "use strict"; /** * A Command is a function with an extra <code>canExecute</code> observable property to determine * whether the command can be executed. When executed, a Command function will check the * value of <code>canExecute</code> and throw if false. * * This type describes an interface and is not intended to be instantiated directly. * See {@link createCommand} to create a command from a function. * * @alias Command * @constructor */ var Command = function() { /** * Gets whether this command can currently be executed. This property is observable. * @type {Boolean} * @default undefined */ this.canExecute = undefined; /** * Gets an event which is raised before the command executes, the event * is raised with an object containing two properties: a <code>cancel</code> property, * which if set to false by the listener will prevent the command from being executed, and * an <code>args</code> property, which is the array of arguments being passed to the command. * @type {Event} * @default undefined */ this.beforeExecute = undefined; /** * Gets an event which is raised after the command executes, the event * is raised with the return value of the command as its only parameter. * @type {Event} * @default undefined */ this.afterExecute = undefined; throw new DeveloperError('This type should not be instantiated directly.'); }; return Command; });
Version data entries
9 entries across 9 versions & 1 rubygems