//
// (C) Copyright 2003-2016 by Autodesk, Inc.
//
// Permission to use, copy, modify, and distribute this software in
// object code form for any purpose and without fee is hereby granted,
// provided that the above copyright notice appears in all copies and
// that both that copyright notice and the limited warranty and
// restricted rights notice below appear in all supporting
// documentation.
//
// AUTODESK PROVIDES THIS PROGRAM "AS IS" AND WITH ALL FAULTS.
// AUTODESK SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTY OF
// MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. AUTODESK, INC.
// DOES NOT WARRANT THAT THE OPERATION OF THE PROGRAM WILL BE
// UNINTERRUPTED OR ERROR FREE.
//
// Use, duplication, or disclosure by the U.S. Government is subject to
// restrictions set forth in FAR 52.227-19 (Commercial Computer
// Software - Restricted Rights) and DFAR 252.227-7013(c)(1)(ii)
// (Rights in Technical Data and Computer Software), as applicable.
// 


using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Autodesk.Revit.UI;
using Autodesk.Revit.ApplicationServices; 


namespace Revit.SDK.Samples.UIAPI.CS
{
    class ApplicationAvailabilityClass : IExternalCommandAvailability
    {
        public bool IsCommandAvailable(UIApplication applicationData, 
                                    Autodesk.Revit.DB.CategorySet selectedCategories)
        {
            Application revitApplication = applicationData.Application;
            ApplicationOptions options = ApplicationOptions.Get();

            switch (options.Availability)
            {
                case ApplicationAvailablity.ArchitectureDiscipline:
                    return revitApplication.IsArchitectureEnabled;
                case ApplicationAvailablity.StructuralAnalysis:
                    return revitApplication.IsStructuralAnalysisEnabled;
                case ApplicationAvailablity.MEP:
                    return revitApplication.IsSystemsEnabled;
            }
            return true;
        }
    }
}