HeadWebPinCode.cs

using System;
using System.Collections.Generic;
using System.Text;
using MediaPortal.Dialogs;
using MediaPortal.GUI.Library;
using Action = MediaPortal.GUI.Library.Action;
using System.ComponentModel;

namespace HeadWeb
{
  public class GUIPinCode : GUIDialogWindow
   {

    public const int ID = 7773;

    public GUIPinCode()
      {
        GetID = ID;
      }

         public override int GetID
      {
        get { return ID; }
      }

    [SkinControlAttribute(6)] protected GUILabelControl labelFeedback = null;
    [SkinControlAttribute(100)] protected GUIImage imagePin1 = null;
    [SkinControlAttribute(101)] protected GUIImage imagePin2 = null;
    [SkinControlAttribute(102)] protected GUIImage imagePin3 = null;
    [SkinControlAttribute(103)] protected GUIImage imagePin4 = null;
    
    public string EnteredPinCode { get; set; }
    public string MasterCode { get; set; }
    public bool IsCorrect { get; set; }

    /// <summary>
    /// Message reported to user when Pin is incorrect
    /// </summary>
    public string Message { get; set; }

    /// <summary>
    /// MediaPortal will set #currentmodule with GetModuleName()
    /// </summary>
    /// <returns>Window Name</returns>
    public override string GetModuleName()
      {
      return "PinCodeDialog";
    }

    public override void Reset()
      {
      base.Reset();

      SetHeading("");
      SetLine(1, "");
      SetLine(2, "");
      SetLine(3, "");
      SetLine(4, "");
    }

    public override void DoModal(int ParentID)
      {
      LoadSkin();
      AllocResources();
      InitControls();
      ClearPinCode();
      base.DoModal(ParentID);
    }

    public override bool Init()
      {
      return Load(GUIGraphicsContext.Skin + @"\HeadWebPinCode.xml");
    }

    public override void OnAction(Action action)
      {
      switch (action.wID)
         {
        case Action.ActionType.REMOTE_1:
          if (EnteredPinCode.Length >= 4) return;
          EnteredPinCode = EnteredPinCode + "1";
          UpdatePinCode(EnteredPinCode.Length);
          break;
        case Action.ActionType.REMOTE_2:
          if (EnteredPinCode.Length >= 4) return;
          EnteredPinCode = EnteredPinCode + "2";
          UpdatePinCode(EnteredPinCode.Length);
          break;
        case Action.ActionType.REMOTE_3:
          if (EnteredPinCode.Length >= 4) return;
          EnteredPinCode = EnteredPinCode + "3";
          UpdatePinCode(EnteredPinCode.Length);
          break;
        case Action.ActionType.REMOTE_4:
          if (EnteredPinCode.Length >= 4) return;
          EnteredPinCode = EnteredPinCode + "4";
          UpdatePinCode(EnteredPinCode.Length);
          break;
        case Action.ActionType.REMOTE_5:
          if (EnteredPinCode.Length >= 4) return;
          EnteredPinCode = EnteredPinCode + "5";
          UpdatePinCode(EnteredPinCode.Length);
          break;
        case Action.ActionType.REMOTE_6:
          if (EnteredPinCode.Length >= 4) return;
          EnteredPinCode = EnteredPinCode + "6";
          UpdatePinCode(EnteredPinCode.Length);
          break;
        case Action.ActionType.REMOTE_7:
          if (EnteredPinCode.Length >= 4) return;
          EnteredPinCode = EnteredPinCode + "7";
          UpdatePinCode(EnteredPinCode.Length);
          break;
        case Action.ActionType.REMOTE_8:
          if (EnteredPinCode.Length >= 4) return;
          EnteredPinCode = EnteredPinCode + "8";
          UpdatePinCode(EnteredPinCode.Length);
          break;
        case Action.ActionType.REMOTE_9:
          if (EnteredPinCode.Length >= 4) return;
          EnteredPinCode = EnteredPinCode + "9";
          UpdatePinCode(EnteredPinCode.Length);
          break;
        case Action.ActionType.REMOTE_0:
          if (EnteredPinCode.Length >= 4) return;
          EnteredPinCode = EnteredPinCode + "0";
          UpdatePinCode(EnteredPinCode.Length);
          break;
        case Action.ActionType.ACTION_DELETE_ITEM:
        case Action.ActionType.ACTION_MOVE_DOWN:
        case Action.ActionType.ACTION_MOVE_LEFT:
          if (EnteredPinCode.Length > 0)
               {
                 EnteredPinCode = EnteredPinCode.Substring(0, EnteredPinCode.Length - 1);
                 UpdatePinCode(EnteredPinCode.Length);
               }
          break;
        case Action.ActionType.ACTION_SELECT_ITEM:          
          PageDestroy();
          return;
        case Action.ActionType.ACTION_PREVIOUS_MENU:
        case Action.ActionType.ACTION_CLOSE_DIALOG:
        case Action.ActionType.ACTION_CONTEXT_MENU:          
          PageDestroy();
          return;
      }

      base.OnAction(action);
    }

    protected override void OnClicked(int controlId, GUIControl control, Action.ActionType actionType)
      {
      base.OnClicked(controlId, control, actionType);      
    }

    public override bool OnMessage(GUIMessage message)
      {
      return base.OnMessage(message);
    }

    private void UpdatePinCode(int pinLength)
      {
      GUIImage[] imagePins = new GUIImage[4] { imagePin1, imagePin2, imagePin3, imagePin4 };

      // Visually indicate to user the number of digits entered
      ClearPinCode();
      for (int i = 0; i < pinLength; i++)
         {
        imagePins[i].Visible = true;
      }
      
      // Check if PinCode entered is correct
      if (pinLength == 4)
         {
        ConfirmPinCode();
      }

    }

    private void ClearPinCode()
      {
      GUIImage[] imagePins = new GUIImage[4] { imagePin1, imagePin2, imagePin3, imagePin4 };

      for (int i = 0; i < 4; i++)
         {
        imagePins[i].Visible = false;
      }

      IsCorrect = false;
      if (labelFeedback != null) labelFeedback.Label = " ";
    }

    private void ConfirmPinCode()
      {
      // Show Feedback to user that PinCode is incorrect
      // otherwise nothing more to do, exit
      if (EnteredPinCode != MasterCode)
         {
        if (labelFeedback != null) labelFeedback.Label = Message;
      }
         else
         {
        IsCorrect = true;
        PageDestroy();
        return;
      }
    }

    public void SetHeading(string HeadingLine)
      {
      GUIMessage msg = new GUIMessage(GUIMessage.MessageType.GUI_MSG_LABEL_SET, GetID, 0, 1, 0, 0, null);
      msg.Label = HeadingLine;
      OnMessage(msg);
    }

    public void SetLine(int LineNr, string Line)
      {
      if (LineNr < 1) return;
      GUIMessage msg = new GUIMessage(GUIMessage.MessageType.GUI_MSG_LABEL_SET, GetID, 0, 1 + LineNr, 0, 0, null);
      msg.Label = Line;
      if ((msg.Label == string.Empty) || (msg.Label == "")) msg.Label = "  ";
      OnMessage(msg);
    }        

  }
 }