/***************************************************************************
                          CEncryptedEntryView.cpp  -  description
                             -------------------
    begin                : Fri Jan 09 2004
    copyright            : (C) 2004 by Alexander Theel
    email                : alex.theel@gmx.net
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#include "../../global.h"

#include "CEncryptedEntryView.h"
#include "./../../information/CInformationElement.h"
#include <iostream>

#include <qvbox.h>
#include <qlabel.h>
#include <qlineedit.h>
#include <qlayout.h>

// -------------------------------------------------------------------------------
CEncryptedEntryView::CEncryptedEntryView( QWidget* pParent )
  : QWidget( pParent )
  , mpPasswdField( NULLPTR )
  , mpResultLabel( NULLPTR )
  , mpActiveElement( NULLPTR )
// -------------------------------------------------------------------------------
{
   QVBoxLayout* pLayout = new QVBoxLayout( this, 10, 5 );
   QLabel* pLabel = new QLabel( this );
   mpPasswdField  = new QLineEdit( this );
   mpResultLabel  = new QLabel( this );

   QHBoxLayout* pMiniLayout = new QHBoxLayout( );

   if ( (NULLPTR == pLayout) || (NULLPTR == pLabel)
        || (NULLPTR == mpPasswdField) || (NULLPTR == mpResultLabel)
        || (NULLPTR == pMiniLayout) )
   {
      std::cout<<"Constructor 'CEncriptedEntryView': ERROR not enough memory "
               <<" to create objects!!!"<<std::endl;
      return;
   }


   pMiniLayout->addWidget( mpPasswdField );

   pLayout->addStretch();
   pLayout->addWidget( pLabel );
   pLayout->addLayout( pMiniLayout );
   pLayout->addWidget( mpResultLabel );
   pLayout->addStretch();
   pLayout->addStretch();
   pLayout->addStretch();

   pLabel->setText("<center>"
                   "<font size=+1><b>Encripted Entry</b></font><br>"
                   "<i>To view entry content enter password below and press RETURN.</i>"
                   "</center>");
   mpPasswdField->setEchoMode( QLineEdit::Password );
   mpPasswdField->setMaximumWidth( 200 );
   mpResultLabel->setText(" ");

   connect( mpPasswdField, SIGNAL(returnPressed()), this, SLOT(passwdEntered()) );
}


// -------------------------------------------------------------------------------
CEncryptedEntryView::~CEncryptedEntryView( void )
// -------------------------------------------------------------------------------
{
//   mpInformationElement = NULLPTR;
}


// ************** IView *********************************************************
// -------------------------------------------------------------------------------
void CEncryptedEntryView::aboutToRemoveElement( CInformationElement* pIE )
// -------------------------------------------------------------------------------
{
   if ( mpActiveElement == pIE )
   {
      mpActiveElement = NULLPTR;
   }
}
// ************** IView - End ****************************************************

// -------------------------------------------------------------------------------
void CEncryptedEntryView::activeInformationElementChanged( CInformationElement* pIE )
// -------------------------------------------------------------------------------
{
   if ( NULLPTR == pIE )
      return;

   if ( (NULLPTR == mpPasswdField) || (NULLPTR == mpResultLabel) )
      return;

   mpPasswdField->setText("");
   mpPasswdField->setFocus();
   mpResultLabel->setText("");

   mpActiveElement = pIE;
}

// -------------------------------------------------------------------------------
void CEncryptedEntryView::passwdEntered( void )
// -------------------------------------------------------------------------------
{
   if ( (NULLPTR == mpPasswdField) || (NULLPTR == mpResultLabel) )
      return;

   if ( NULLPTR == mpActiveElement )
      return;

   // testing passwd
   if ( 0 == mpPasswdField->text().stripWhiteSpace().length() )
      return;

   bool bCorrectPasswd = mpActiveElement->decrypt( mpPasswdField->text().stripWhiteSpace() );

   if ( !bCorrectPasswd )
   {
      mpPasswdField->setText("");
      mpResultLabel->setText("<center><b>Wrong Passwd. Try again.</b></center>");
   }
   else
   {
      // every thing is alright
      mpResultLabel->setText(" ");
      emit entryDecrypted();
   }
}