Imports System.Collections.ObjectModel
Imports EgtUILib
Imports MS.Internal

Public Class InputExpanderVM
   Inherits ViewModelBase

#Region "FIELDS & PROPERTIES"

   Friend Event m_FocusOnTextBox()

   ' Variabile temporanea per salvare bShow
   Private m_tmpbShow As Boolean

   Private m_tmpInfoList As New ObservableCollection(Of InfoItem)
   ''' <summary>
   ''' Lista temporanea delle info
   ''' </summary>
   Private Property tmpInfoList As ObservableCollection(Of InfoItem)
      Get
         Return m_tmpInfoList
      End Get
      Set(value As ObservableCollection(Of InfoItem))
         m_tmpInfoList = value
         OnPropertyChanged("tmpInfoList")
      End Set
   End Property

   ' Expander fields
   Private m_IsExpanded As Boolean
   Public Property IsExpanded As Boolean
      Get
         Return m_IsExpanded
      End Get
      Set(value As Boolean)
         m_IsExpanded = value
         OnPropertyChanged(NameOf(IsExpanded))
      End Set
   End Property

   Private m_IsEnabled As Boolean
   Public Property IsEnabled As Boolean
      Get
         Return m_IsEnabled
      End Get
      Set(value As Boolean)
         m_IsEnabled = value
         OnPropertyChanged(NameOf(IsEnabled))
      End Set
   End Property

   Private m_Title As String
   Public Property Title As String
      Get
         Return m_Title
      End Get
      Set(value As String)
         m_Title = value
         OnPropertyChanged(NameOf(Title))
      End Set
   End Property

   ' TextBlock fields
   Private m_TextBlock As String
   Public Property TextBlock As String
      Get
         Return m_TextBlock
      End Get
      Set(value As String)
         m_TextBlock = value
         OnPropertyChanged(NameOf(TextBlock))
      End Set
   End Property

   ' TextBox fields
   Private m_TextBox As String
   Public Property TextBox As String
      Get
         Return m_TextBox
      End Get
      Set(value As String)
         m_TextBox = value
         Map.refProjectVM.NotifyInputText(value)
         OnPropertyChanged(NameOf(TextBox))
      End Set
   End Property

   Private m_TextVisibility As Visibility
   Public Property TextVisibility As Visibility
      Get
         Return m_TextVisibility
      End Get
      Set(value As Visibility)
         If value <> m_TextVisibility Then
            m_TextVisibility = value
            OnPropertyChanged(NameOf(TextVisibility))
         End If
      End Set
   End Property

   Private m_FocusTextBox As Boolean
   Public Property FocusTextBox As Boolean
      Get
         Return m_FocusTextBox
      End Get
      Set(value As Boolean)
         m_FocusTextBox = value
         OnPropertyChanged(NameOf(FocusTextBox))
      End Set
   End Property

   'CheckBox fields
   Private m_CheckBoxText As String
   Public Property CheckBoxText As String
      Get
         Return m_CheckBoxText
      End Get
      Set(value As String)
         m_CheckBoxText = value
         OnPropertyChanged(NameOf(CheckBoxText))
      End Set
   End Property

   Private m_IsChecked As Boolean
   Public Property IsChecked As Boolean
      Get
         Return m_IsChecked
      End Get
      Set(value As Boolean)
         If value <> m_IsChecked Then
            Map.refProjectVM.SetLastBoolean(value)
            m_IsChecked = value
            OnPropertyChanged(NameOf(IsChecked))
         End If
      End Set
   End Property

   Private m_CheckVisibility As Visibility
   Public Property CheckVisibility As Visibility
      Get
         Return m_CheckVisibility
      End Get
      Set(value As Visibility)
         If value <> m_CheckVisibility Then
            m_CheckVisibility = value
            OnPropertyChanged(NameOf(CheckVisibility))
         End If
      End Set
   End Property

   ' ComboBox fields
   Private m_ComboItemsList As New ObservableCollection(Of String)
   Public Property ComboItemsList As ObservableCollection(Of String)
      Get
         Return m_ComboItemsList
      End Get
      Set(value As ObservableCollection(Of String))
         m_ComboItemsList = value
         OnPropertyChanged(NameOf(ComboItemsList))
      End Set
   End Property

   Private m_InfoList As New ObservableCollection(Of InfoItem)
   ''' <summary>
   ''' Lista delle info modificate
   ''' </summary>
   Public Property InfoList As ObservableCollection(Of InfoItem)
      Get
         Return m_InfoList
      End Get
      Set(value As ObservableCollection(Of InfoItem))
         m_InfoList = value
         OnPropertyChanged("InfoList")
      End Set
   End Property

   Private m_InfoList As New ObservableCollection(Of InfoItem)
   ''' <summary>
   ''' Lista delle info modificate
   ''' </summary>
   Public Property InfoList As ObservableCollection(Of InfoItem)
      Get
         Return m_InfoList
      End Get
      Set(value As ObservableCollection(Of InfoItem))
         m_InfoList = value
         OnPropertyChanged("InfoList")
      End Set
   End Property

   Private m_ComboSelectedIndex As Integer
   Public Property ComboSelectedIndex As Integer
      Get
         Return m_ComboSelectedIndex
      End Get
      Set(value As Integer)
         If m_tmpbShow Then Map.refProjectVM.SetLastInteger(value)
         m_ComboSelectedIndex = value
         ' Assegno l'indice selezionato ad una variabile temporanea per utilizzarlo quando rimuovo l'info dalla lista
         Dim tmpComboSelectedIndex As Integer = ComboSelectedIndex
         ' Controllo se l'indice è maggiore o uguale a zero e la lista tmp contiene valori
         If m_ComboSelectedIndex >= 0 AndAlso tmpInfoList.Count > 0 Then
            ' Controllo se la info è contenuta nella lista ComboItemsList
            If ComboItemsList.Contains(tmpInfoList(m_ComboSelectedIndex).sKey) Then
               ' Aggiungo la info alla lista per visualizzarla
               InfoList.Add(New InfoItem(tmpInfoList(m_ComboSelectedIndex).nId, tmpInfoList(m_ComboSelectedIndex).sKey, m_tmpInfoList(m_ComboSelectedIndex).sValour))
               ' Nascondo la combobox
               ComboVisibility = Visibility.Collapsed
               ' Rimuovo la info dalla ComboItemsList
               ComboItemsList.Remove(tmpInfoList(m_ComboSelectedIndex).sKey)
            End If
            ' Rimuovo la info dalla tmpInfoList
            tmpInfoList.Remove(tmpInfoList(tmpComboSelectedIndex))
         End If
         OnPropertyChanged(NameOf(ComboSelectedIndex))
         OnPropertyChanged("ComboItemsList")
         OnPropertyChanged("InfoList")
      End Set
   End Property

   Private m_ComboVisibility As Visibility
   Public Property ComboVisibility As Visibility
      Get
         Return m_ComboVisibility
      End Get
      Set(value As Visibility)
         If value <> m_ComboVisibility Then
            m_ComboVisibility = value
            OnPropertyChanged(NameOf(ComboVisibility))
         End If
      End Set
   End Property

   ' Buttons fields
   Private m_ShowBtnVisibility As Visibility
   Public Property ShowBtnVisibility As Visibility
      Get
         Return m_ShowBtnVisibility
      End Get
      Set(value As Visibility)
         m_ShowBtnVisibility = value
         OnPropertyChanged(NameOf(ShowBtnVisibility))
      End Set
   End Property

   Private m_ShowInfoItemVisibility As Visibility
   ''' <summary>
   ''' Propietà visibilità bottone +
   ''' </summary>
   Public Property ShowInfoItemVisibility As Visibility
      Get
         Return m_ShowInfoItemVisibility
      End Get
      Set(value As Visibility)
         If value <> m_ShowInfoItemVisibility Then
            m_ShowInfoItemVisibility = value
            OnPropertyChanged("ShowInfoItemVisibility")
         End If
      End Set
   End Property

   Private m_InfoVisibility As Visibility
   ''' <summary>
   ''' Propietà visibilità lista info modificate
   ''' </summary>
   Public Property InfoVisibility As Visibility
      Get
         Return m_InfoVisibility
      End Get
      Set(value As Visibility)
         If value <> m_InfoVisibility Then
            m_InfoVisibility = value
            OnPropertyChanged("InfoVisibility")
         End If
      End Set
   End Property

   Private m_ShowInfoItemVisibility As Visibility
   ''' <summary>
   ''' Propietà visibilità bottone +
   ''' </summary>
   Public Property ShowInfoItemVisibility As Visibility
      Get
         Return m_ShowInfoItemVisibility
      End Get
      Set(value As Visibility)
         If value <> m_ShowInfoItemVisibility Then
            m_ShowInfoItemVisibility = value
            OnPropertyChanged("ShowInfoItemVisibility")
         End If
      End Set
   End Property

   Private m_InfoVisibility As Visibility
   ''' <summary>
   ''' Propietà visibilità lista info modificate
   ''' </summary>
   Public Property InfoVisibility As Visibility
      Get
         Return m_InfoVisibility
      End Get
      Set(value As Visibility)
         If value <> m_InfoVisibility Then
            m_InfoVisibility = value
            OnPropertyChanged("InfoVisibility")
         End If
      End Set
   End Property

   ' Commands definition
   Private m_cmdShow As ICommand
   Private m_cmdDone As ICommand
   Private m_cmdShowInfoItem As ICommand
   Private m_cmdRemoveInfoItem As ICommand

#Region "Messages"

   Public ReadOnly Property ShowMsg As String
      Get
         Return EgtMsg(5364)     ' Mostra
      End Get
   End Property
   Public ReadOnly Property OkMsg As String
      Get
         Return EgtMsg(5365)     ' Conferma
      End Get
   End Property

#End Region

#End Region    ' Fields & Properties

#Region "CONSTRUCTOR"

   Sub New()
      ' Creo riferimento a questa classe in EgtCAM5Map
      Map.SetRefInputExpanderVM(Me)
   End Sub

#End Region    ' Constructor

#Region "COMMANDS"

#Region "ShowCommand"

   ''' <summary>
   ''' Returns a command that do Point.
   ''' </summary>
   Public ReadOnly Property ShowCommand As ICommand
      Get
         If m_cmdShow Is Nothing Then
            m_cmdShow = New RelayCommand(AddressOf Show, AddressOf CanShow)
         End If
         Return m_cmdShow
      End Get
   End Property

   ''' <summary>
   ''' Execute the Point.  This method is invoked by the PointCommand.
   ''' </summary>
   Public Sub Show(ByVal param As Object)
      Map.refProjectVM.Show(TextBox)
   End Sub

   ''' <summary>
   ''' Returns always true.
   ''' </summary>
   Private Function CanShow(ByVal param As Object) As Boolean
      Return If(m_ShowBtnVisibility = Visibility.Visible, True, False)
   End Function

#End Region ' ShowCommand

#Region "DoneCommand"

   ''' <summary>
   ''' Returns a command that do Point.
   ''' </summary>
   Public ReadOnly Property DoneCommand As ICommand
      Get
         If m_cmdDone Is Nothing Then
            m_cmdDone = New RelayCommand(AddressOf Done, AddressOf CanDone)
         End If
         Return m_cmdDone
      End Get
   End Property

   ''' <summary>
   ''' Execute the Point.  This method is invoked by the PointCommand.
   ''' </summary>
   Public Sub Done(ByVal param As Object)
      ' Controllo se la lista contenente la info modificata sia presente
      If InfoList.Count > 0 Then
         ' Ciclo sulla lista
         For Each Item As InfoItem In InfoList
            Map.refProjectVM.NotifyInputText((Item.Key & "=" & Item.Valour).Trim())
            ' Assegno a m_TextBox la info modificata
            m_TextBox &= vbCrLf & (Item.Key & "=" & Item.Valour).Trim() & vbCrLf
         Next
      End If
      Map.refProjectVM.Done(m_TextBox)
   End Sub

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

#End Region ' DoneCommand

#Region "ShowInfoItemCommand"

   ''' <summary>
   ''' Comando per la visualizzazione della combobox
   ''' </summary>
   Public ReadOnly Property ShowInfoItemCommand As ICommand
      Get
         If m_cmdShowInfoItem Is Nothing Then
            m_cmdShowInfoItem = New Command(AddressOf ShowInfoItem)
         End If
         Return m_cmdShowInfoItem
      End Get
   End Property

   ''' <summary>
   ''' Funzione per la visualizzazione della combobox
   ''' </summary>
   ''' <param name="param"></param>
   Public Sub ShowInfoItem(ByVal param As Object)
      ComboVisibility = Visibility.Visible
   End Sub

#End Region    ' ShowInfoItemCommand

#End Region

#Region "METHODS"

   Friend Sub FocusText()
      RaiseEvent m_FocusOnTextBox()
   End Sub

   Friend Sub PrepareInputBox(PrepareInputBoxParam As PrepareInputBoxParam)
      Title = PrepareInputBoxParam.sTitle
      If PrepareInputBoxParam.sLabel <> "" Then
         TextBlock = PrepareInputBoxParam.sLabel
         TextBox = ""
         TextVisibility = Visibility.Visible
         ' Controllo se il titolo è uguale a INFO se si
         If Title = EgtMsg(5359).ToUpper() Then
            ' Metto tmpbShow a false
            m_tmpbShow = False
            ' Rendo visibile il pulsante che mostra la lista delle info
            ShowInfoItemVisibility = Visibility.Visible
            ' Rendo visibile la lista delle info selezionate
            InfoVisibility = Visibility.Visible
            ' Pulisco la lista tmpInfoList
            tmpInfoList.Clear()
            ' Pulisco la lista InfoList
            InfoList.Clear()
            ' Pulisco la lista ComboItemsList
            ComboItemsList.Clear()
            ' Popolo la lista ComboItemsList
            ComboInfo()
         End If
      End If
      If PrepareInputBoxParam.sCheckLabel <> "" Then
         CheckBoxText = PrepareInputBoxParam.sCheckLabel
         CheckVisibility = Visibility.Visible
      End If
      If PrepareInputBoxParam.bShowCombo Then
         ' Assegno a tmpbShow PrepareInputBoxParam.bShowCombo
         m_tmpbShow = PrepareInputBoxParam.bShowCombo
         ' Pulisco la lista ComboItemsList
         ComboItemsList.Clear()
         ' Pulisco la lista tmpInfoList
         tmpInfoList.Clear()
         ' Pulisco la lista InfoList
         InfoList.Clear()
         ComboVisibility = Visibility.Visible
      End If
      If PrepareInputBoxParam.bShowBtn Then
         ShowBtnVisibility = Visibility.Visible
      End If
      IsEnabled = True
      IsExpanded = True
      FocusTextBox = True
      FocusText()
   End Sub

   Friend Sub ResetInputBox()
      Title = EgtMsg(5355)    ' Parametri di disegno
      TextVisibility = Visibility.Collapsed
      CheckVisibility = Visibility.Collapsed
      ComboVisibility = Visibility.Collapsed
      ShowBtnVisibility = Visibility.Collapsed
      ShowInfoItemVisibility = Visibility.Collapsed
      InfoVisibility = Visibility.Collapsed
      IsExpanded = False
      IsEnabled = False
   End Sub

   Friend Function SetInputBoxText(ByVal sVal As String) As Boolean
      TextBox = sVal
      FocusTextBox = True
      FocusText()
      Return True
   End Function

   Friend Function ChangeInputBoxCheck() As Boolean
      IsChecked = Not m_IsChecked
      Return True
   End Function

   Friend Function SetInputBoxCheck(ByVal bCheck As Boolean) As Boolean
      IsChecked = bCheck
      Map.refProjectVM.SetLastBoolean(IsChecked)
      Return True
   End Function

   Friend Sub AddInputBoxCombo(AddInputBoxComboParam As AddInputBoxComboParam)
      AddInputBoxCombo(AddInputBoxComboParam.sText, AddInputBoxComboParam.bSelected)
   End Sub

   Private Function AddInputBoxCombo(ByVal sText As String, ByVal bSelected As Boolean) As Boolean
      ComboItemsList.Add(sText)

      If bSelected Then
         ComboSelectedIndex = ComboItemsList.Count - 1
      End If
      Return True
   End Function

   ''' <summary>
   ''' Rimovi nota da info lista
   ''' </summary>
   ''' <param name="InfoItem">Informazione da eliminare</param>
   Friend Sub RemoveItemInfo(InfoItem As InfoItem)
      ' Rimuovo info da lista modifica
      InfoList.Remove(InfoItem)
      ' Riaggiungo la info eliminata
      ComboItemsList.Add(InfoItem.sKey)
      ' Riaggiungo la info eliminata
      tmpInfoList.Add(InfoItem)
   End Sub

   ''' <summary>
   ''' Funzione che popola la lista ComboItemsList
   ''' </summary>
   Private Sub ComboInfo()
      '''''''''''''''''''''''''''''' Recuperare funzione egtgetallinfo quando sarà pronta
      Dim val As Integer
      If Not m_tmpbShow Then
         For Ind As Integer = 0 To 6
            val += Ind
            tmpInfoList.Add(New InfoItem(Ind, "A" & +Ind, val.ToString()))
         Next

         For Each InfoItem As InfoItem In tmpInfoList
            ComboItemsList.Add(InfoItem.sKey)
         Next
      End If
   End Sub

#End Region    ' Methods

End Class