/*
 *  Visual Studio DDEX Provider for FirebirdClient
 * 
 *     The contents of this file are subject to the Initial 
 *     Developer's Public License Version 1.0 (the "License"); 
 *     you may not use this file except in compliance with the 
 *     License. You may obtain a copy of the License at 
 *     http://www.firebirdsql.org/index.php?op=doc&id=idpl
 *
 *     Software distributed under the License is distributed on 
 *     an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either 
 *     express or implied.  See the License for the specific 
 *     language governing rights and limitations under the License.
 * 
 *  Copyright (c) 2005 Carlos Guzman Alvarez
 *  All Rights Reserved.
 *   
 *  Contributors:
 *    Jiri Cincura (jiri@cincura.net)
 */

using System;
using System.Diagnostics;
using System.Globalization;
using System.Runtime.InteropServices;
using System.ComponentModel.Design;
using Microsoft.Win32;
using Microsoft.VisualStudio.Shell.Interop;
using Microsoft.VisualStudio.OLE.Interop;
using Microsoft.VisualStudio.Shell;

namespace FirebirdSql.VisualStudio.DataTools
{
    /// <summary>
    /// This is the class that implements the package exposed by this assembly.
    ///
    /// The minimum requirement for a class to be considered a valid package for Visual Studio
    /// is to implement the IVsPackage interface and register itself with the shell.
    /// This package uses the helper classes defined inside the Managed Package Framework (MPF)
    /// to do it: it derives from the Package class that provides the implementation of the 
    /// IVsPackage interface and uses the registration attributes defined in the framework to 
    /// register itself and its components with the shell.
    /// </summary>
    // This attribute tells the registration utility (regpkg.exe) that this class needs
    // to be registered as package.
    [PackageRegistration(UseManagedResourcesOnly = true)]
    // A Visual Studio component can be registered under different regitry roots; for instance
    // when you debug your package you want to register it in the experimental hive. This
    // attribute specifies the registry root to use if no one is provided to regpkg.exe with
    // the /root switch.
    [DefaultRegistryRoot("Software\\Microsoft\\VisualStudio\\8.0")]
    // This attribute is used to register the informations needed to show the this package
    // in the Help/About dialog of Visual Studio.
    [InstalledProductRegistration(true, "#100", "#102", "1.0", IconResourceID = 400)]
    // In order be loaded inside Visual Studio in a machine that has not the VS SDK installed, 
    // package needs to have a valid load key (it can be requested at 
    // http://msdn.microsoft.com/vstudio/extend/). This attributes tells the shell that this 
    // package has a load key embedded in its resources.
    [ProvideLoadKey("Standard", "1.0", "DDEX Provider for FirebirdClient", "..", 106)]
    [Guid(GuidList.GuidDataToolsPkgString)]
    [ProvideService(typeof(FbDataProviderObjectFactory), ServiceName = "Firebird Provider Object Factory")]
    public sealed class DataPackage : Package
    {
        #region · Constructors ·

        /// <summary>
        /// Default constructor of the package.
        /// Inside this method you can place any initialization code that does not require 
        /// any Visual Studio service because at this point the package object is created but 
        /// not sited yet inside Visual Studio environment. The place to do all the other 
        /// initialization is the Initialize method.
        /// </summary>
        public DataPackage()
        {
            Trace.WriteLine(string.Format(CultureInfo.CurrentCulture, "Entering constructor for: {0}", this.ToString()));
        }

        #endregion
        
        #region · Package Members ·

        /// <summary>
        /// Initialization of the package; this method is called right after the package is sited, so this is the place
        /// where you can put all the initilaization code that rely on services provided by VisualStudio.
        /// </summary>
        protected override void Initialize()
        {
            Trace.WriteLine (string.Format(CultureInfo.CurrentCulture, "Entering Initialize() of: {0}", this.ToString()));
            
            ((IServiceContainer)this).AddService(typeof(FbDataProviderObjectFactory), new ServiceCreatorCallback(this.CreateService), true);

            base.Initialize();
        }

        #endregion

        #region · Private Methods ·

        private object CreateService(IServiceContainer container, Type serviceType)
        {
            System.Diagnostics.Trace.WriteLine(String.Format("DataPackage::CreateService({0})", serviceType.FullName));

            if (serviceType == typeof(FbDataProviderObjectFactory))
            {
                return new FbDataProviderObjectFactory();
            }

            return null;
        }

        #endregion
    }
}