/*   -*- mode: C++; c-file-style: "gnu" -*-
 *   kmail: KDE mail client
 *   Copyright (C) 2000 Espen Sand, espen@kde.org
 *   Copyright (C) 2001-2003 Marc Mutz, mutz@kde.org
 *   Contains code segments and ideas from earlier kmail dialog code.
 *   Copyright (C) 2010 Volker Krause <vkrause@kde.org>
 *
 *   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.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License along
 *   with this program; if not, write to the Free Software Foundation, Inc.,
 *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */

#include "newidentitydialog.h"

#include <kpimidentities/identitymanager.h>

#include <KComboBox>
#include <KLineEdit>
#include <KLocalizedString>

#include <QButtonGroup>
#include <QHBoxLayout>
#include <QLabel>
#include <QRadioButton>
#include <QVBoxLayout>

#include <assert.h>

using namespace KMail;

NewIdentityDialog::NewIdentityDialog( KPIMIdentities::IdentityManager* manager, QWidget *parent )
  : KDialog( parent ),
  mIdentityManager( manager )
{
  setCaption( i18n("New Identity") );
  setButtons( Ok|Cancel|Help );
  setHelp( QString::fromLatin1("configure-identity-newidentitydialog") );
  QWidget *page = new QWidget( this );
  setMainWidget( page );
  QVBoxLayout * vlay = new QVBoxLayout( page );
  vlay->setSpacing( spacingHint() );
  vlay->setMargin( 0 );

  // row 0: line edit with label
  QHBoxLayout * hlay = new QHBoxLayout(); // inherits spacing
  vlay->addLayout( hlay );
  mLineEdit = new KLineEdit( page );
  mLineEdit->setFocus();
  mLineEdit->setClearButtonShown( true );
  QLabel *l = new QLabel( i18n("&New identity:"), page );
  l->setBuddy( mLineEdit );
  hlay->addWidget( l );
  hlay->addWidget( mLineEdit, 1 );
  connect( mLineEdit, SIGNAL(textChanged(QString)),
           this, SLOT(slotEnableOK(QString)) );

  mButtonGroup = new QButtonGroup( page );

  // row 1: radio button
  QRadioButton *radio = new QRadioButton( i18n("&With empty fields"), page );
  radio->setChecked( true );
  vlay->addWidget( radio );
  mButtonGroup->addButton( radio, (int)Empty );

  // row 2: radio button
  radio = new QRadioButton( i18n("&Use System Settings values"), page );
  vlay->addWidget( radio );
  mButtonGroup->addButton( radio, (int)ControlCenter );

  // row 3: radio button
  radio = new QRadioButton( i18n("&Duplicate existing identity"), page );
  vlay->addWidget( radio );
  mButtonGroup->addButton( radio, (int)ExistingEntry );

  // row 4: combobox with existing identities and label
  hlay = new QHBoxLayout(); // inherits spacing
  vlay->addLayout( hlay );
  mComboBox = new KComboBox( page );
  mComboBox->setEditable( false );
  mComboBox->addItems( manager->shadowIdentities() );
  mComboBox->setEnabled( false );
  QLabel *label = new QLabel( i18n("&Existing identities:"), page );
  label->setBuddy( mComboBox );
  label->setEnabled( false );
  hlay->addWidget( label );
  hlay->addWidget( mComboBox, 1 );

  vlay->addStretch( 1 ); // spacer

  // enable/disable combobox and label depending on the third radio
  // button's state:
  connect( radio, SIGNAL(toggled(bool)),
           label, SLOT(setEnabled(bool)) );
  connect( radio, SIGNAL(toggled(bool)),
           mComboBox, SLOT(setEnabled(bool)) );

  enableButtonOk( false ); // since line edit is empty
}

NewIdentityDialog::DuplicateMode NewIdentityDialog::duplicateMode() const
{
  const int id = mButtonGroup->checkedId();
  assert( id == (int)Empty
          || id == (int)ControlCenter
          || id == (int)ExistingEntry );
  return static_cast<DuplicateMode>( id );
}

void NewIdentityDialog::slotEnableOK( const QString & proposedIdentityName )
{
  // OK button is disabled if
  const QString name = proposedIdentityName.trimmed();
  // name isn't empty
  if ( name.isEmpty() ) {
    enableButtonOk( false );
    return;
  }
  // or name doesn't yet exist.
  if ( !mIdentityManager->isUnique( name ) ) {
    enableButtonOk( false );
    return;
  }
  enableButtonOk( true );
}

QString NewIdentityDialog::identityName() const
{
  return mLineEdit->text();
}

QString NewIdentityDialog::duplicateIdentity() const
{
  return mComboBox->currentText();
}

#include "newidentitydialog.moc"