Imports System.Collections.ObjectModel
Imports System.IO
Imports EgtUILib

Namespace EgtCAM5

   Public Class StatusBarViewModel
      Inherits ViewModelBase

#Region "FIELDS & PROPERTIES"

      ' GRAPHICAL ELEMENTS
      Private m_StatusOutput As String
      Public Property StatusOutput As String
         Get
            Return m_StatusOutput
         End Get
         Set(value As String)
            m_StatusOutput = value
            OnPropertyChanged("StatusOutput")
         End Set
      End Property

      Private m_StatusCurrPos As String
      Public Property StatusCurrPos As String
         Get
            Return m_StatusCurrPos
         End Get
         Set(value As String)
            m_StatusCurrPos = value
            OnPropertyChanged("StatusCurrPos")
         End Set
      End Property

      Private m_StatusProgress As Integer
      Public Property StatusProgress As Integer
         Get
            Return m_StatusProgress
         End Get
         Set(value As Integer)
            m_StatusProgress = value
            OnPropertyChanged("StatusProgress")
         End Set
      End Property

      Private m_StatusStopIsEnabled As Boolean
      Public Property StatusStopIsEnabled As Boolean
         Get
            Return m_StatusStopIsEnabled
         End Get
         Set(value As Boolean)
            m_StatusStopIsEnabled = value
            OnPropertyChanged("StatusStopIsEnabled")
         End Set
      End Property

      Private m_StatusGridText As String
      Public Property StatusGridText As String
         Get
            Return m_StatusGridText
         End Get
         Set(value As String)
            m_StatusGridText = value
            OnPropertyChanged("StatusGridText")
         End Set
      End Property

      Private m_CurrPosTypeText As String
      Public Property CurrPosTypeText As String
         Get
            Return m_CurrPosTypeText
         End Get
         Set(value As String)
            m_CurrPosTypeText = value
            OnPropertyChanged("CurrPosTypeText")
         End Set
      End Property

      Private m_StatusUnitsText As String
      Public Property StatusUnitsText As String
         Get
            Return m_StatusUnitsText
         End Get
         Set(value As String)
            m_StatusUnitsText = value
            OnPropertyChanged("StatusUnitsText")
         End Set
      End Property

      Private m_SnapPointTypeText As String
      Public Property SnapPointTypeText As String
         Get
            Return m_SnapPointTypeText
         End Get
         Set(value As String)
            m_SnapPointTypeText = value
            OnPropertyChanged("SnapPointTypeText")
         End Set
      End Property

      Private m_SnapPointTypeBackground As SolidColorBrush
      Public Property SnapPointTypeBackground As SolidColorBrush
         Get
            Return m_SnapPointTypeBackground
         End Get
         Set(value As SolidColorBrush)
            m_SnapPointTypeBackground = value
            OnPropertyChanged("SnapPointTypeBackground")
         End Set
      End Property

      ' Lista delle macchine disponibili nel programma
      Private m_MachinesList As New ObservableCollection(Of Machine)
      Public Property MachinesList As ObservableCollection(Of Machine)
         Get
            Return m_MachinesList
         End Get
         Set(value As ObservableCollection(Of Machine))
            m_MachinesList = value
         End Set
      End Property
      ' Macchina correntemente selezionata e quindi attiva
      Private m_SelectedMachine As Machine
      Public Property SelectedMachine As Machine
         Get
            Return m_SelectedMachine
         End Get
         Set(value As Machine)
            If value IsNot m_SelectedMachine Then
               m_SelectedMachine = value
               EgtSetCurrentContext(IniFile.m_ProjectSceneContext)
               EgtSetCurrMachine(m_SelectedMachine.Name)
               IniFile.m_sDbsCurrMachIniFilePath = m_SelectedMachine.MachineDirPath & "\" & m_SelectedMachine.Name & ".ini"
               IniFile.m_sTdbCurrMachToolsDirPath = m_SelectedMachine.MachineDirPath & "\Tools"
               Application.Msn.NotifyColleagues(Application.LOADSELECTEDMACHINE)
               OnPropertyChanged("SelectedMachine")
            End If
         End Set
      End Property

      ' Commands definition
      Private m_cmdStatusGrid As ICommand
      Private m_cmdCurrPosType As ICommand
      Private m_cmdStatusUnits As ICommand
      Private m_cmdStatusStop As ICommand

#End Region    ' Fields & Properties

#Region "CONSTRUCTOR"

      Sub New()
         Application.Msn.Register(Application.NOTIFYCURRPOS, Sub(sCursorPos As String)
                                                                StatusCurrPos = sCursorPos
                                                             End Sub)
         Application.Msn.Register(Application.NOTIFYSTATUSOUTPUT, Sub(sStatusOutput As String)
                                                                     StatusOutput = sStatusOutput
                                                                  End Sub)
         Application.Msn.Register(Application.NOTIFYSTATUSPROGRESS, Sub(sStatusProgress As Integer)
                                                                       StatusProgress = sStatusProgress
                                                                    End Sub)
         Application.Msn.Register(Application.NOTIFYSTATUSSTOP, Sub(sStatusStop As Boolean)
                                                                   StatusStopIsEnabled = sStatusStop
                                                                End Sub)
         Application.Msn.Register(Application.UPDATESTATUSGRID, Sub(UpdateStatusGridParam As UpdateStatusGridParam)
                                                                   UpdateStatusGrid(UpdateStatusGridParam.m_bShowGrid, UpdateStatusGridParam.m_bShowGridFrame)
                                                                End Sub)
         Application.Msn.Register(Application.STATUSCURRPOSTYPETEXT, Sub(sString As String)
                                                                        CurrPosTypeText = sString
                                                                     End Sub)
         Application.Msn.Register(Application.UPDATESTATUSUNITS, Sub(bMmUnits As Boolean)
                                                                    StatusUnitsText = If(bMmUnits, "mm", "in")
                                                                    EgtSetUiUnits(bMmUnits)
                                                                 End Sub)
         Application.Msn.Register(Application.STATUSSNAPPOINTTYPETEXT, Sub(sString As String)
                                                                          SnapPointTypeText = sString
                                                                       End Sub)
         Application.Msn.Register(Application.STATUSSNAPPOINTTYPEBACKGROUND, Sub(Color As SolidColorBrush)
                                                                                SnapPointTypeBackground = Color
                                                                             End Sub)
         SearchMachine()
         Application.Msn.Register(Application.LOADCURRENTMACHINE, Sub()
                                                                     Dim CurrMach As String = String.Empty
                                                                     GetPrivateProfileString(S_MACH, K_CURRMACH, String.Empty, CurrMach)
                                                                     If Not String.IsNullOrEmpty(CurrMach) Then
                                                                        Dim Temp As Boolean = False
                                                                        For Each Mach In MachinesList
                                                                           If Mach.Name = CurrMach Then
                                                                              Temp = True
                                                                              SelectedMachine = Mach
                                                                              Exit For
                                                                           End If
                                                                        Next
                                                                        If Not Temp And MachinesList.Count > 0 Then
                                                                           SelectedMachine = MachinesList(0)
                                                                        End If
                                                                     Else
                                                                        If MachinesList.Count > 0 Then
                                                                           SelectedMachine = MachinesList(0)
                                                                        End If
                                                                     End If
                                                                  End Sub)
         Application.Msn.Register(Application.SAVECURRENTMACHINE, Sub()
                                                                     WritePrivateProfileString(S_MACH, K_CURRMACH, SelectedMachine.Name)
                                                                  End Sub)
         Application.Msn.Register(Application.RELOADCURRENTMACHINE, Sub()
                                                                       EgtSetCurrentContext(IniFile.m_ProjectSceneContext)
                                                                       EgtSetCurrMachine(SelectedMachine.Name)
                                                                  End Sub)
      End Sub

#End Region    ' Constructor

#Region "COMMANDS"

#Region "StatusGridCommand"

      ''' <summary>
      ''' Returns a command that set grid status.
      ''' </summary>
      Public ReadOnly Property StatusGridCommand As ICommand
         Get
            If m_cmdStatusGrid Is Nothing Then
               m_cmdStatusGrid = New RelayCommand(AddressOf StatusGrid, AddressOf CanStatusGrid)
            End If
            Return m_cmdStatusGrid
         End Get
      End Property

      ''' <summary>
      ''' Notify the function to set the status.  This method is invoked by the StatusGridCommand.
      ''' </summary>
      Public Sub StatusGrid(ByVal param As Object)
         Application.Msn.NotifyColleagues(Application.STATUSGRIDCOMMAND)
      End Sub

      ''' <summary>
      ''' Returns always true.
      ''' </summary>
      Private Function CanStatusGrid(ByVal param As Object) As Boolean
         Return True
      End Function

#End Region ' DoneCommand

#Region "CurrPosTypeCommand"

      ''' <summary>
      ''' Returns a command that choose the current reference.
      ''' </summary>
      Public ReadOnly Property CurrPosTypeCommand As ICommand
         Get
            If m_cmdCurrPosType Is Nothing Then
               m_cmdCurrPosType = New RelayCommand(AddressOf CurrPosType, AddressOf CanCurrPosType)
            End If
            Return m_cmdCurrPosType
         End Get
      End Property

      ''' <summary>
      ''' Execute the Point.  This method is invoked by the CurrPosTypeCommand.
      ''' </summary>
      Public Sub CurrPosType(ByVal param As Object)
         Application.Msn.NotifyColleagues(Application.STATUSCURRPOSTYPECOMMAND)
      End Sub

      ''' <summary>
      ''' Returns always true.
      ''' </summary>
      Private Function CanCurrPosType(ByVal param As Object) As Boolean
         Return True
      End Function

#End Region ' CurrPosTypeCommand

#Region "StatusUnitsCommand"

      ''' <summary>
      ''' Returns a command that choose the current reference.
      ''' </summary>
      Public ReadOnly Property StatusUnitsCommand As ICommand
         Get
            If m_cmdStatusUnits Is Nothing Then
               m_cmdStatusUnits = New RelayCommand(AddressOf StatusUnits, AddressOf CanStatusUnits)
            End If
            Return m_cmdStatusUnits
         End Get
      End Property

      ''' <summary>
      ''' Execute the Point.  This method is invoked by the CurrPosTypeCommand.
      ''' </summary>
      Public Sub StatusUnits(ByVal param As Object)
         Application.Msn.NotifyColleagues(Application.STATUSUNITSCOMMAND)
      End Sub

      ''' <summary>
      ''' Returns always true.
      ''' </summary>
      Private Function CanStatusUnits(ByVal param As Object) As Boolean
         Return True
      End Function

#End Region ' StatusUnitsCommand

#Region "StatusStopCommand"

      ''' <summary>
      ''' Returns a command that choose the current reference.
      ''' </summary>
      Public ReadOnly Property StatusStopCommand As ICommand
         Get
            If m_cmdStatusStop Is Nothing Then
               m_cmdStatusStop = New RelayCommand(AddressOf StatusStop, AddressOf CanStatusStop)
            End If
            Return m_cmdStatusStop
         End Get
      End Property

      ''' <summary>
      ''' Execute the Point.  This method is invoked by the CurrPosTypeCommand.
      ''' </summary>
      Public Sub StatusStop(ByVal param As Object)
         m_bStopScript = True
      End Sub

      ''' <summary>
      ''' Returns always true.
      ''' </summary>
      Private Function CanStatusStop(ByVal param As Object) As Boolean
         Return True
      End Function

#End Region ' StatusStopCommand

#End Region ' Commands

#Region "METHODS"

      Private Sub UpdateStatusGrid(bShowGrid As Boolean, bShowGridFrame As Boolean)
         'tsStatusGrid.ForeColor = If(m_bShowGrid, Color.Black, Color.Gray)
         StatusGridText = If(bShowGrid, "GRID ON ", "GRID OFF")
         EgtSetGridShow(bShowGrid, bShowGrid And bShowGridFrame)
      End Sub

      ''' <summary>
      ''' Method that search the machines in the correct folder and add to the MachinesList those valid.
      ''' </summary>
      Private Sub SearchMachine()
         Dim TempArray As String() = Directory.GetDirectories(IniFile.m_sMachinesRoot)
         For i As Integer = 0 To TempArray.Count - 1
            Dim MachinePathIni As String = TempArray(i) & "\" & Path.GetFileName(TempArray(i)) & ".ini"
            If File.Exists(MachinePathIni) Then
               m_MachinesList.Add(New Machine With {.Name = Path.GetFileName(TempArray(i)), .MachineDirPath = TempArray(i)})
            End If
         Next
      End Sub

      ''' <summary>
      ''' Class that create the association Name/IniPath for the machine's
      ''' </summary>
      Class Machine

         Private m_sName As String
         Public Property Name As String
            Get
               Return m_sName
            End Get
            Set(value As String)
               m_sName = value
            End Set
         End Property

         Friend MachineDirPath As String

      End Class

#End Region    ' Methods

   End Class

End Namespace