Imports System.Collections.ObjectModel
Imports EgtUILib

Namespace EgtCAM5

   Public Class MachGroupPanelViewModel
      Inherits ViewModelBase

#Region "FIELDS & PROPERTIES"

      Private m_MachGroupList As New ObservableCollection(Of String)
      Public Property MachGroupList As ObservableCollection(Of String)
         Get
            Return m_MachGroupList
         End Get
         Set(value As ObservableCollection(Of String))
            If value IsNot m_MachGroupList Then
               m_MachGroupList = value
            End If
         End Set
      End Property

      Private m_SelectedMachGroup As String
      Public Property SelectedMachGroup As String
         Get
            Return m_SelectedMachGroup
         End Get
         Set(value As String)
            m_SelectedMachGroup = value
            OnPropertyChanged("SelectedMachGroup")
         End Set
      End Property

      ' Definizione comandi
      Private m_cmdSetCurrMachGroup As ICommand
      Private m_cmdAddMachGroup As ICommand
      Private m_cmdRemoveMachGroup As ICommand

#End Region    ' FIELDS & PROPERTIES

#Region "CONSTRUCTOR"

      Sub New()
         Application.Msn.Register(Application.INITIALIZEMACHGROUPS, Sub()
                                                                       InitializeMachGroups()
                                                                    End Sub)
      End Sub

#End Region    ' CONSTRUCTOR

#Region "METHODS"

      Private Sub InitializeMachGroups()
         Dim bOk As Boolean
         Dim nId = EgtGetFirstMachGroup()
         If nId <> GDB_ID.NULL Then
            bOk = EgtSetCurrMachGroup(nId)
         Else
            bOk = AddNewMachGroup()
         End If
         LoadMachGroups()
         SelectedMachGroup = MachGroupList(0)
         Application.Msn.NotifyColleagues(Application.MACHGROUPSRESULT, bOk)
      End Sub

      Private Sub LoadMachGroups()
         ' Pulisco la lista
         MachGroupList.Clear()
         ' Carico i gruppi di lavorazione nella lista
         Dim nId = EgtGetFirstMachGroup()
         While nId <> GDB_ID.NULL
            Dim sName As String = String.Empty
            EgtGetMachGroupName(nId, sName)
            MachGroupList.Add(sName)
            nId = EgtGetNextMachGroup(nId)
         End While
      End Sub

      Private Function AddNewMachGroup() As Boolean
         Dim sNewMachName As String = "Mach_1"
         EgtGetMachGroupNewName(sNewMachName)
         Dim bOk As Boolean = (EgtAddMachGroup(sNewMachName) <> GDB_ID.NULL)
         Dim sInitScriptPath As String = String.Empty
         EgtUILib.GetPrivateProfileString(S_DISPOSITION, K_INITSCRIPT, "", sInitScriptPath, IniFile.m_sCurrMachIniFilePath)
         If bOk And Not String.IsNullOrEmpty(sInitScriptPath) Then
            sInitScriptPath = IniFile.m_sCurrMachScriptsDirPath & "\" & sInitScriptPath
            If Not EgtLuaExecFile(sInitScriptPath) Then
               EgtOutLog("Error executing disposition init script " & sInitScriptPath)
               MessageBox.Show(EgtMsg(MSG_DISPOSITIONERRORS + 1), EgtMsg(MSG_DISPOSITIONERRORS + 2) & " " & sInitScriptPath, MessageBoxButton.OK, MessageBoxImage.Exclamation)
            End If
         End If
         Return bOk
      End Function

#End Region

#Region "COMMANDS"

#Region "SetCurrMachGroupCommand"

      ''' <summary>
      ''' Returns a command that set the selected MachGroup as the Current one.
      ''' </summary>
      Public ReadOnly Property SetCurrMachGroupCommand As ICommand
         Get
            If m_cmdSetCurrMachGroup Is Nothing Then
               m_cmdSetCurrMachGroup = New RelayCommand(AddressOf SetCurrMachGroup)
            End If
            Return m_cmdSetCurrMachGroup
         End Get
      End Property

      Public Sub SetCurrMachGroup(ByVal param As Object)
         EgtSetCurrMachGroup(EgtGetMachGroupId(DirectCast(param, String)))
         EgtDraw()
         Application.Msn.NotifyColleagues(Application.LOADOPERATIONLIST, -1)
         Application.Msn.NotifyColleagues(Application.UPDATECURRENTMACHINE)
      End Sub

#End Region ' SetCurrMachGroupCommand

#Region "AddMachGroupCommand"

      ''' <summary>
      ''' Returns a command that set the selected MachGroup as the Current one.
      ''' </summary>
      Public ReadOnly Property AddMachGroupCommand As ICommand
         Get
            If m_cmdAddMachGroup Is Nothing Then
               m_cmdAddMachGroup = New RelayCommand(AddressOf AddMachGroup)
            End If
            Return m_cmdAddMachGroup
         End Get
      End Property

      Public Sub AddMachGroup()
         If AddNewMachGroup() Then
            Dim sMachName As String = String.Empty
            EgtGetMachGroupName(EgtGetCurrMachGroup(), sMachName)
            MachGroupList.Add(sMachName)
            SelectedMachGroup = sMachName
            EgtDraw()
            Application.Msn.NotifyColleagues(Application.LOADOPERATIONLIST, -1)
            Application.Msn.NotifyColleagues(Application.UPDATECURRENTMACHINE)
         End If
      End Sub

#End Region ' AddMachGroupCommand

#Region "RemoveMachGroupCommand"

      ''' <summary>
      ''' Returns a command that set the selected MachGroup as the Current one.
      ''' </summary>
      Public ReadOnly Property RemoveMachGroupCommand As ICommand
         Get
            If m_cmdRemoveMachGroup Is Nothing Then
               m_cmdRemoveMachGroup = New RelayCommand(AddressOf RemoveMachGroup)
            End If
            Return m_cmdRemoveMachGroup
         End Get
      End Property

      Public Sub RemoveMachGroup()
         ' Calcolo indice del gruppo da cancellare
         Dim nSelectedMachGroupIndex As Integer = MachGroupList.IndexOf(SelectedMachGroup)
         If nSelectedMachGroupIndex = 0 And MachGroupList.Count = 1 Then
            ' chiedo conferma prima di resettare il gruppo di lavorazione
            Select Case MessageBox.Show(EgtMsg(MSG_MACHGROUP + 1), "", MessageBoxButton.YesNo, MessageBoxImage.Question)
               Case MessageBoxResult.Yes
                  ' cancello il gruppo corrente e ne creo uno nuovo con lo stesso nome
                  EgtRemoveMachGroup(EgtGetMachGroupId(MachGroupList(nSelectedMachGroupIndex)))
                  EgtAddMachGroup(SelectedMachGroup)
                  EgtDraw()
               Case MessageBoxResult.No
                  Return
            End Select
         Else
            ' chiedo conferma prima di cancellare il gruppo di lavorazione
            Select Case MessageBox.Show(EgtMsg(MSG_MACHGROUP + 2), "", MessageBoxButton.YesNo, MessageBoxImage.Question)
               Case MessageBoxResult.Yes
                  If nSelectedMachGroupIndex = 0 And MachGroupList.Count > 1 Then
                     ' rendo corrente il gruppo di lavorazione successivo a quello da cancellare
                     EgtSetCurrMachGroup(EgtGetMachGroupId(MachGroupList(nSelectedMachGroupIndex + 1)))
                     SelectedMachGroup = MachGroupList(nSelectedMachGroupIndex + 1)
                  ElseIf nSelectedMachGroupIndex > 0 Then
                     ' rendo corrente il gruppo di lavorazione precedente a quello da cancellare
                     EgtSetCurrMachGroup(EgtGetMachGroupId(MachGroupList(nSelectedMachGroupIndex - 1)))
                     SelectedMachGroup = MachGroupList(nSelectedMachGroupIndex - 1)
                  End If
                  EgtDraw()
                  ' cancello quello selezionato
                  EgtRemoveMachGroup(EgtGetMachGroupId(MachGroupList(nSelectedMachGroupIndex)))
                  ' aggiorno la lista dei gruppi
                  MachGroupList.RemoveAt(nSelectedMachGroupIndex)
               Case MessageBoxResult.No
                  Return
            End Select
         End If

      End Sub

#End Region ' RemoveMachGroupCommand

#End Region    ' COMMANDS

   End Class

End Namespace