EgtCAM5/TopCommandBar/TopCommandBarViewModel.vb

Namespace EgtCAM5

   Public Class TopCommandBarViewModel

#Region "FIELDS & PROPERTIES"

      ' Definizione comandi
      Private m_cmdNew As ICommand
      Private m_cmdOpen As ICommand
      Private m_cmdSave As ICommand
      Private m_cmdSaveAs As ICommand
      Private m_cmdInsert As ICommand
      Private m_cmdImport As ICommand
      Private m_cmdExport As ICommand
      Private m_cmdExec As ICommand

#End Region    ' Fields & Properties

#Region "COMMANDS"

#Region "NewCommand"

      ''' <summary>
      ''' Returns a command that do New.
      ''' </summary>
      Public ReadOnly Property NewCommand As ICommand
         Get
            If m_cmdNew Is Nothing Then
               m_cmdNew = New RelayCommand(AddressOf NewCmd, AddressOf CanNew)
            End If
            Return m_cmdNew
         End Get
      End Property

      ''' <summary>
      ''' Execute the New.  This method is invoked by the NewCommand.
      ''' </summary>
      Public Sub NewCmd(ByVal param As Object)
         Application.Msn.NotifyColleagues(Application.NEWPROJECT)
      End Sub

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

#End Region ' NewCommand

#Region "OpenCommand"

      ''' <summary>
      ''' Returns a command that do Open.
      ''' </summary>
      Public ReadOnly Property OpenCommand As ICommand
         Get
            If m_cmdOpen Is Nothing Then
               m_cmdOpen = New RelayCommand(AddressOf Open, AddressOf CanOpen)
            End If
            Return m_cmdOpen
         End Get
      End Property

      ''' <summary>
      ''' Execute the Open.  This method is invoked by the OpenCommand.
      ''' </summary>
      Public Sub Open(ByVal param As Object)
         Application.Msn.NotifyColleagues(Application.OPENPROJECT)
      End Sub

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

#End Region ' OpenCommand

#Region "SaveCommand"

      ''' <summary>
      ''' Returns a command that do Save.
      ''' </summary>
      Public ReadOnly Property SaveCommand As ICommand
         Get
            If m_cmdSave Is Nothing Then
               m_cmdSave = New RelayCommand(AddressOf Save, AddressOf CanSave)
            End If
            Return m_cmdSave
         End Get
      End Property

      ''' <summary>
      ''' Execute the Save.  This method is invoked by the SaveCommand.
      ''' </summary>
      Public Sub Save(ByVal param As Object)
         Application.Msn.NotifyColleagues(Application.SAVEPROJECT)
      End Sub

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

#End Region ' SaveCommand

#Region "SaveAsCommand"

      ''' <summary>
      ''' Returns a command that do SaveAs.
      ''' </summary>
      Public ReadOnly Property SaveAsCommand As ICommand
         Get
            If m_cmdSaveAs Is Nothing Then
               m_cmdSaveAs = New RelayCommand(AddressOf SaveAs, AddressOf CanSaveAs)
            End If
            Return m_cmdSaveAs
         End Get
      End Property

      ''' <summary>
      ''' Execute the SaveAs.  This method is invoked by the SaveAsCommand.
      ''' </summary>
      Public Sub SaveAs(ByVal param As Object)
         Application.Msn.NotifyColleagues(Application.SAVEASPROJECT)
      End Sub

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

#End Region ' SaveAsCommand

#Region "InsertCommand"

      ''' <summary>
      ''' Returns a command that do Insert.
      ''' </summary>
      Public ReadOnly Property InsertCommand As ICommand
         Get
            If m_cmdInsert Is Nothing Then
               m_cmdInsert = New RelayCommand(AddressOf Insert, AddressOf CanInsert)
            End If
            Return m_cmdInsert
         End Get
      End Property

      ''' <summary>
      ''' Execute the Insert.  This method is invoked by the InsertCommand.
      ''' </summary>
      Public Sub Insert(ByVal param As Object)
         Application.Msn.NotifyColleagues(Application.INSERTPROJECT)
      End Sub

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

#End Region ' InsertCommand

#Region "ImportCommand"

      ''' <summary>
      ''' Returns a command that do Import.
      ''' </summary>
      Public ReadOnly Property ImportCommand As ICommand
         Get
            If m_cmdImport Is Nothing Then
               m_cmdImport = New RelayCommand(AddressOf Import, AddressOf CanImport)
            End If
            Return m_cmdImport
         End Get
      End Property

      ''' <summary>
      ''' Execute the Import.  This method is invoked by the ImportCommand.
      ''' </summary>
      Public Sub Import(ByVal param As Object)
         Application.Msn.NotifyColleagues(Application.IMPORTPROJECT)
      End Sub

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

#End Region ' ImportCommand

#Region "ExportCommand"

      ''' <summary>
      ''' Returns a command that do Export.
      ''' </summary>
      Public ReadOnly Property ExportCommand As ICommand
         Get
            If m_cmdExport Is Nothing Then
               m_cmdExport = New RelayCommand(AddressOf Export, AddressOf CanExport)
            End If
            Return m_cmdExport
         End Get
      End Property

      ''' <summary>
      ''' Execute the Export.  This method is invoked by the ExportCommand.
      ''' </summary>
      Public Sub Export(ByVal param As Object)
         Application.Msn.NotifyColleagues(Application.EXPORTPROJECT)
      End Sub

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

#End Region ' ExportCommand

#Region "ExecCommand"

      ''' <summary>
      ''' Returns a command that do Exec.
      ''' </summary>
      Public ReadOnly Property ExecCommand As ICommand
         Get
            If m_cmdExec Is Nothing Then
               m_cmdExec = New RelayCommand(AddressOf Exec, AddressOf CanExec)
            End If
            Return m_cmdExec
         End Get
      End Property

      ''' <summary>
      ''' Execute the Exec.  This method is invoked by the ExecCommand.
      ''' </summary>
      Public Sub Exec(ByVal param As Object)
         Application.Msn.NotifyColleagues(Application.EXECPROJECT)
      End Sub

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

#End Region ' ExecCommand

#End Region    ' Commands

   End Class

End Namespace