Imports EgtUILib
Imports System.ComponentModel
Imports System.IO
Imports EgtWPFLib5

Public Class MainWindowViewModel
   Implements INotifyPropertyChanged
   ' Modello del MainWindow (classe vera e propria)
   Private m_MainWindowModel As New MainWindowModel
   Friend m_rfSceneManagerViewModel As SceneManagerViewModel

   Private m_ProjectNameMsg As String
   Public Property ProjectNameMsg As String
      Get
         Return m_ProjectNameMsg
      End Get
      Set(value As String)
         m_ProjectNameMsg = "EgtDOORCreator - " & SetTitle(value)
         NotifyPropertyChanged("ProjectNameMsg")
      End Set
   End Property

   Private m_CompoPanel As CompoPanelView
   Public ReadOnly Property CompoPanel As CompoPanelView
      Get
         If IsNothing(m_CompoPanel) Then
            m_CompoPanel = New CompoPanelView
            m_CompoPanel.DataContext = New CompoPanelViewModel(Me)
         End If
         Return m_CompoPanel
      End Get
   End Property

   Private m_Launcher As LauncherView
   Public ReadOnly Property Launcher As LauncherView
      Get
         If IsNothing(m_Launcher) Then
            m_Launcher = New LauncherView
            m_Launcher.DataContext = New LauncherViewModel(Me)
         End If
         Return m_Launcher
      End Get
   End Property

   Private m_ProjectManagerViewModel As ProjectManagerViewModel
   Public ReadOnly Property ProjectManagerViewModel As ProjectManagerViewModel
      Get
         If IsNothing(m_ProjectManagerViewModel) Then
            m_ProjectManagerViewModel = New ProjectManagerViewModel(Me)
         End If
         Return m_ProjectManagerViewModel
      End Get
   End Property

   Private m_DoorManager As DoorManagerView
   Public ReadOnly Property DoorManager As DoorManagerView
      Get
         If IsNothing(m_DoorManager) Then
            m_DoorManager = New DoorManagerView
            m_DoorManager.DataContext = New DoorManagerViewModel(Me)
         End If
         Return m_DoorManager
      End Get
   End Property

   Private m_DoorParameters As DoorParametersView
   Public ReadOnly Property DoorParameters As DoorParametersView
      Get
         If IsNothing(m_DoorParameters) Then
            m_DoorParameters = New DoorParametersView
            m_DoorParameters.DataContext = New DoorParametersViewModel(Me)
         End If
         Return m_DoorParameters
      End Get
   End Property

   Private m_SceneManager As SceneManagerView
   Public ReadOnly Property SceneManager As SceneManagerView
      Get
         If IsNothing(m_SceneManager) Then
            m_SceneManager = New SceneManagerView
            m_SceneManager.DataContext = New SceneManagerViewModel(Me)
         End If
         Return m_SceneManager
      End Get

   End Property

   Private m_AboutBox As Window
   Private bFirstAboutBox As Boolean = True
   Public ReadOnly Property AboutBox As Window
      Get
         If bFirstAboutBox Then
            m_AboutBox = New AboutBoxView()
         End If
         Return New AboutBoxView
      End Get
   End Property

   ' MainWindow Closing Event
   Private m_cmdClose As ICommand

   Public Sub SetLauncher()
      Select Case OptionModule.m_OptionLauncherList.IndexOf(OptionModule.m_SelectedOptionLauncher)
         Case 0
            ' apre la finestra 
            Dim Launcher As New LauncherView
            Launcher.Height = 200
            Launcher.Width = 250
            LauncherModule.InitLauncherModule()
            Launcher.DataContext = New LauncherViewModel(Me)
            Launcher.Owner = Application.Current.MainWindow
            Launcher.ShowDialog()
         Case 1
            ' se non trovo salvato nessun ultimo file allora apro vuoto
            If GetPrivateProfileString(S_LAUNCHERWINDOW, K_LASTPROJECT, "", m_sLastProject) < 0 Then
               Exit Select
            Else
               ' apro l'ultimo progetto
               Me.ProjectManagerViewModel.OpenLastProject()
            End If
            ' non fa assolutamente nulla
      End Select
   End Sub

   ' questa funzione restituisce il nome del direttorio corrente
   Friend Function SetTitle(DirectoryTitle As String) As String
      If Not String.IsNullOrWhiteSpace(DirectoryTitle) Then
         Dim Items() As String = DirectoryTitle.Split("\".ToCharArray)
         If Items.Count = 1 Then
            Items = DirectoryTitle.Split("-".ToCharArray)
         End If
         ' restituisco il nome dell'ultimo direttorio aperto
         DirectoryTitle = Items(Items.Count - 1)
      End If
      Return DirectoryTitle
   End Function

   Friend Sub ModifyTitle(bModified As Boolean)
      If bModified Then
         If Not m_ProjectNameMsg(m_ProjectNameMsg.Count - 1) = "*" Then
            ProjectNameMsg &= "*"
         End If
      Else
         If m_ProjectNameMsg(m_ProjectNameMsg.Count - 1) = "*" Then
            ProjectNameMsg.Trim("*"c)
         End If
      End If
   End Sub

   Friend Sub WinPosToWindow(Window As Window, WinPos As WinPos)
      Window.WindowStartupLocation = WindowStartupLocation.Manual
      Window.Top = WinPos.nTop
      Window.Left = WinPos.nLeft
      Window.Height = WinPos.nHeight
      Window.Width = WinPos.nWidth
      Window.WindowState = If(WinPos.nFlag = 1, WindowState.Maximized, WindowState.Normal)
   End Sub

   Friend Sub WindowToWinPos(Window As Window, WinPos As WinPos)
      WinPos.nTop = CInt(Window.Top)
      WinPos.nLeft = CInt(Window.Left)
      WinPos.nHeight = CInt(Window.Height)
      WinPos.nWidth = CInt(Window.Width)
      WinPos.nFlag = If(Window.WindowState = WindowState.Maximized, 1, 0)
      If Window.WindowState = WindowState.Maximized Then
         WinPos.nHeight = CInt(Window.RestoreBounds.Height)
         WinPos.nWidth = CInt(Window.RestoreBounds.Width)
      End If
   End Sub

#Region "CloseApplicationCommand"

   ''' <summary>
   ''' Returns a command that manage the MainWindow_Unloaded command
   ''' </summary>
   Public ReadOnly Property CloseApplicationCommand() As ICommand
      Get
         If m_cmdClose Is Nothing Then
            m_cmdClose = New Command(AddressOf CloseApplication)
         End If
         Return m_cmdClose
      End Get
   End Property

   ''' <summary>
   ''' Manage the MainWindow_Unloaded event. This method is invoked by the cmdMainWindow_Unloaded.
   ''' </summary>
   Public Sub CloseApplication(ByVal param As Object)
      '' Gestisco eventuale file corrente modificato
      'Application.Msn.NotifyColleagues(Application.MANAGEMODIFIED)
      'If m_allowWindowToClose Then
      '   Application.Msn.NotifyColleagues(Application.CLOSEAPPLICATION)
      ' Salvo posizione Form (se non minimizzato)
      If Application.Current.MainWindow.WindowState <> WindowState.Minimized Then
         Dim WinPos As New WinPos
         WindowToWinPos(Application.Current.MainWindow, WinPos)
         WritePrivateProfileWinPos(S_GENERAL, K_WINPLACE, WinPos.nFlag, WinPos.nLeft, WinPos.nTop, WinPos.nWidth, WinPos.nHeight)
      End If
      '   ' Terminazione generale di EgtInterface
      '   EgtExit()
      '   ' Rilascio mutex
      '   m_objMutex.Close()
      '   ' Aggiorno istanze usate
      '   Dim nTmp As Integer = GetPrivateProfileInt(S_GENERAL, K_INSTANCES, 0)
      '   nTmp -= (1 << (m_nInstance - 1))
      '   WritePrivateProfileString(S_GENERAL, K_INSTANCES, nTmp.ToString())
      '   ' Salvo impostazione macchina corrente
      '   Application.Msn.NotifyColleagues(Application.SAVECURRENTMACHINE)

      ' aggiorno file DDF grafico (CurrDoor.ddf)
      If Not IsNothing(DirectCast(Me.DoorParameters.DataContext, DoorParametersViewModel).CurrDoor) Then
         DdfFile.WriteDDF(DirectCast(Me.DoorParameters.DataContext, DoorParametersViewModel).CurrDoor, IniFile.m_sTempDir & "\CurrDoor.ddf")
         Dim SelDoor As String = DirectCast(Me.DoorManager.DataContext, DoorManagerViewModel).SelectedDoor
         ''If Not DdfFile.ComparisonFileDDF(IniFile.m_sTempDir & "\CurrDoor.ddf", SelDoor) Then
         If Not DdfFile.SetModify(Me) Then
            ' se la risposta è di non salavre non faccio nulla
            If MessageBox.Show("Do you want to save this file (" & Path.GetFileNameWithoutExtension(SelDoor) & ")?", "Question", MessageBoxButton.YesNo, MessageBoxImage.Warning) = MessageBoxResult.No Then
            Else
               ' altrimenti sovrascrivo il DDF 
               DdfFile.WriteDDF(DirectCast(Me.DoorParameters.DataContext, DoorParametersViewModel).CurrDoor, SelDoor)
            End If
         End If
         ' scrivo il nome dell'ultimo file aperto
         If Not IsNothing(Me.ProjectManagerViewModel.m_CurrProject) Then
            IniFile.WritePrivateProfileString(S_LAUNCHERWINDOW, K_LASTPROJECT, Me.ProjectManagerViewModel.m_CurrProject.Name)
         End If
      End If

      EgtExit()
      '' Disabilito gestore Idle
      'RemoveHandler Application.Idle, AddressOf Application_Idle
      Application.Current.MainWindow.Close()
      'End If
   End Sub

#End Region ' CloseApplicationCommand

   Public Event PropertyChanged As PropertyChangedEventHandler Implements INotifyPropertyChanged.PropertyChanged

   Public Sub NotifyPropertyChanged(propName As String)
      RaiseEvent PropertyChanged(Me, New PropertyChangedEventArgs(propName))
   End Sub

End Class