/*   -*- mode: C++; c-file-style: "gnu" -*-
 *   kmail: KDE mail client
 *   This file: Copyright (C) 2006 Dmitry Morozhnikov <dmiceman@ubiz.ru>
 *
 *   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 "customtemplatesmenu.h"
#include "customtemplates.h"
#include "customtemplates_kfg.h"
#include "globalsettings.h"
#include "kmkernel.h"

#include <klocale.h>
#include <kactionmenu.h>
#include <kmenu.h>
#include <kactioncollection.h>

#include <QSignalMapper>

CustomTemplatesMenu::CustomTemplatesMenu( QWidget *owner, KActionCollection *ac )
{
  mOwnerActionCollection = ac;

  mCustomForwardActionMenu = new KActionMenu( KIcon( "mail-forward-custom" ),
                                              i18n( "With Custom Template" ), owner );
  mOwnerActionCollection->addAction( "custom_forward", mCustomForwardActionMenu );

  mCustomReplyActionMenu = new KActionMenu( KIcon( "mail-reply-custom" ),
                                            i18n( "Reply With Custom Template" ), owner );
  mOwnerActionCollection->addAction( "custom_reply", mCustomReplyActionMenu );

  mCustomReplyAllActionMenu = new KActionMenu( KIcon( "mail-reply-all-custom" ),
                                               i18n( "Reply to All With Custom Template" ), owner );
  mOwnerActionCollection->addAction( "custom_reply_all", mCustomReplyAllActionMenu );

  mCustomForwardMapper = new QSignalMapper( this );
  connect( mCustomForwardMapper, SIGNAL(mapped(int)),
           this, SLOT(slotForwardSelected(int)) );

  mCustomReplyMapper = new QSignalMapper( this );
  connect( mCustomReplyMapper, SIGNAL(mapped(int)),
           this, SLOT(slotReplySelected(int)) );

  mCustomReplyAllMapper = new QSignalMapper( this );
  connect( mCustomReplyAllMapper, SIGNAL(mapped(int)),
           this, SLOT(slotReplyAllSelected(int)) );

  connect( kmkernel, SIGNAL(customTemplatesChanged()), this, SLOT(update()) );

  update();
}

CustomTemplatesMenu::~CustomTemplatesMenu()
{
  clear();

  delete mCustomReplyActionMenu;
  delete mCustomReplyAllActionMenu;
  delete mCustomForwardActionMenu;

  delete mCustomReplyMapper;
  delete mCustomReplyAllMapper;
  delete mCustomForwardMapper;
}

void CustomTemplatesMenu::clear()
{
  QListIterator<KAction *> ait( mCustomTemplateActions );
  while ( ait.hasNext() ) {
    KAction *action = ait.next();
    mCustomReplyMapper->removeMappings( action );
    mCustomReplyAllMapper->removeMappings( action );
    mCustomForwardMapper->removeMappings( action );
  }
  qDeleteAll( mCustomTemplateActions );
  mCustomTemplateActions.clear();

  mCustomReplyActionMenu->menu()->clear();
  mCustomReplyAllActionMenu->menu()->clear();
  mCustomForwardActionMenu->menu()->clear();
  mCustomTemplates.clear();
}

void CustomTemplatesMenu::update()
{
  clear();

  QStringList list = GlobalSettingsBase::self()->customTemplates();
  QStringList::iterator it = list.begin();
  int idx = 0;
  int replyc = 0;
  int replyallc = 0;
  int forwardc = 0;
  for ( ; it != list.end(); ++it ) {
    CTemplates t( *it );
    mCustomTemplates.append( *it );

    KAction *action;
    switch ( t.type() ) {
    case CustomTemplates::TReply:
      action = new KAction( (*it).replace( "&", "&&" ), mOwnerActionCollection );
      action->setShortcut( t.shortcut() );
      connect( action, SIGNAL(triggered(bool)), mCustomReplyMapper, SLOT(map()) );
      mCustomReplyMapper->setMapping( action, idx );
      mCustomReplyActionMenu->addAction( action );
      mCustomTemplateActions.append( action );
      ++replyc;
      break;

    case CustomTemplates::TReplyAll:
      action = new KAction( (*it).replace( "&", "&&" ), mOwnerActionCollection );
      action->setShortcut( t.shortcut() );
      connect( action, SIGNAL(triggered(bool)), mCustomReplyAllMapper, SLOT(map()) );
      mCustomReplyAllMapper->setMapping( action, idx );
      mCustomReplyAllActionMenu->addAction( action );
      mCustomTemplateActions.append( action );
      ++replyallc;
      break;

    case CustomTemplates::TForward:
      action = new KAction( (*it).replace( "&", "&&" ), mOwnerActionCollection );
      action->setShortcut( t.shortcut() );
      connect( action, SIGNAL(triggered(bool)), mCustomForwardMapper, SLOT(map()) );
      mCustomForwardMapper->setMapping( action, idx );
      mCustomForwardActionMenu->addAction( action );
      mCustomTemplateActions.append( action );
      ++forwardc;
      break;

    case CustomTemplates::TUniversal:
      action = new KAction( (*it).replace( "&", "&&" ), mOwnerActionCollection );
      connect( action, SIGNAL(triggered(bool)), mCustomReplyMapper, SLOT(map()) );
      mCustomReplyMapper->setMapping( action, idx );
      mCustomReplyActionMenu->addAction( action );
      mCustomTemplateActions.append( action );
      ++replyc;
      action = new KAction( (*it).replace( "&", "&&" ), mOwnerActionCollection );
      connect( action, SIGNAL(triggered(bool)), mCustomReplyAllMapper, SLOT(map()) );
      mCustomReplyAllMapper->setMapping( action, idx );
      mCustomReplyAllActionMenu->addAction( action );
      mCustomTemplateActions.append( action );
      ++replyallc;
      action = new KAction( (*it).replace( "&", "&&" ), mOwnerActionCollection );
      connect( action, SIGNAL(triggered(bool)), mCustomForwardMapper, SLOT(map()) );
      mCustomForwardMapper->setMapping( action, idx );
      mCustomForwardActionMenu->addAction( action );
      mCustomTemplateActions.append( action );
      ++forwardc;
      break;
    }

    ++idx;
  }

  if ( !replyc ) {
    QAction *noAction =
      mCustomReplyActionMenu->menu()->addAction( i18n( "(no custom templates)" ) );
    noAction->setEnabled( false );
    mCustomReplyActionMenu->setEnabled( false );
  }
  if ( !replyallc ) {
    QAction *noAction =
      mCustomReplyAllActionMenu->menu()->addAction( i18n( "(no custom templates)" ) );
    noAction->setEnabled( false );
    mCustomReplyAllActionMenu->setEnabled( false );
  }
  if ( !forwardc ) {
    QAction *noAction =
      mCustomForwardActionMenu->menu()->addAction( i18n( "(no custom templates)" ) );
    noAction->setEnabled( false );
    mCustomForwardActionMenu->setEnabled( false );
  }
}

void CustomTemplatesMenu::slotReplySelected( int idx )
{
  emit replyTemplateSelected( mCustomTemplates[idx] );
}

void CustomTemplatesMenu::slotReplyAllSelected( int idx )
{
  emit replyAllTemplateSelected( mCustomTemplates[idx] );
}

void CustomTemplatesMenu::slotForwardSelected( int idx )
{
  emit forwardTemplateSelected( mCustomTemplates[idx] );
}

#include "customtemplatesmenu.moc"