/***************************************************************************
                          FLFormSearchDB.cpp
                         -------------------
begin                : Sun Nov 4 2001
copyright            : (C) 2001-2005 by InfoSiAL S.L.
email                : mail@infosial.com
***************************************************************************/
/***************************************************************************
 *   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; version 2 of the License.               *
 ***************************************************************************/
/***************************************************************************
   Este  programa es software libre. Puede redistribuirlo y/o modificarlo
   bajo  los  términos  de  la  Licencia  Pública General de GNU   en  su
   versión 2, publicada  por  la  Free  Software Foundation.
 ***************************************************************************/

#include "FLFormSearchDB.h"
#include "FLObjectFactory.h"
#include "FLSqlCursor.h"
#include "FLTableMetaData.h"
#include "FLAction.h"
#include "FLApplication.h"
#include "FLManagerModules.h"
#include "FLAccessControlLists.h"

FLFormSearchDB::FLFormSearchDB( const QString & actionName, QWidget * parent )
    : FLFormDB( parent, actionName, Qt::WStyle_Customize | Qt::WStyle_Maximize | Qt::WStyle_Title |
                Qt::WType_Dialog | Qt::WShowModal | Qt::WStyle_SysMenu ),
    loop( false ), accepted_( false ), iface( 0 ) {
#ifdef FL_DEBUGGER
  pushButtonIDE = 0;
#endif

  setFocusPolicy( QWidget::NoFocus );

  if ( actionName.isEmpty() ) {
    action_ = 0;
#ifdef FL_DEBUG
    qWarning( tr( "FLFormSearchDB : Nombre de acción vacío" ) );
#endif
    return ;
  } else
    action_ = FLSqlConnections::database()->manager()->action( actionName );
  if ( !action_ ) {
#ifdef FL_DEBUG
    qWarning( tr( "FLFormSearchDB : No existe la acción " + actionName ) );
#endif
    return ;
  }
  cursor_ = new FLSqlCursor( action_->table(), true, "default", 0, 0, this );
  name_ = actionName;

  initForm();
}

FLFormSearchDB::FLFormSearchDB( FLSqlCursor * cursor, const QString & actionName, QWidget * parent )
    : FLFormDB( parent, actionName, Qt::WStyle_Customize | Qt::WStyle_Maximize |
                Qt::WType_Dialog | Qt::WShowModal | Qt::WStyle_SysMenu ),
    loop( false ), accepted_( false ), iface( 0 ) {
#ifdef FL_DEBUGGER
  pushButtonIDE = 0;
#endif

  setFocusPolicy( QWidget::NoFocus );

  if ( actionName.isEmpty() )
    action_ = 0;
  else
    if ( cursor )
      action_ = cursor->db()->manager()->action( actionName );
    else
      action_ = FLSqlConnections::database()->manager()->action( actionName );
  cursor_ = cursor;
  name_ = actionName;

  initForm();
}

FLFormSearchDB::~FLFormSearchDB() {
  if ( iface ) {
    iface->finish();
    iface->setObj( 0 );
  }
}

void FLFormSearchDB::initForm() {
  if ( cursor_ && cursor_->metadata() ) {
    QString caption = " [ " + static_cast<FLApplication *>( qApp )->lastTextCaption() + " ]";
    if ( action_ ) {
      cursor_->setAction( action_ );
      if ( action_->caption() != QString::null )
        setCaption( action_->caption() + caption );
      idMDI_ = action_->name();
    }

    if ( iface )
      iface->finish();
    setCaption( cursor_->metadata() ->alias() + caption );
    setName( "formSearch" + action_->name() );
    QSProject *p = static_cast<FLApplication *>( qApp ) ->project();
    iface = static_cast<FLFormSearchDBInterface *>( p->object( name() ) );
    if ( iface ) {
      iface->setObj( this );
      if ( !oldCursorCtxt )
        oldCursorCtxt = cursor_->context();
      cursor_->setContext( iface );
    }
  } else
    setCaption( tr( "No hay metadatos" ) );
}

void FLFormSearchDB::setFilter( const QString & f ) {
  QString previousF = cursor_->mainFilter();
  QString newF;
  if ( previousF.isEmpty() )
    newF = f;
  else
    if ( previousF.contains( f ) )
      return ;
    else
      newF = previousF + " AND " + f;
  cursor_->setMainFilter( newF );
}

QVariant FLFormSearchDB::exec( const QString & n ) {
  if ( !cursor_ )
    return QVariant();

  if ( loop ) {
#ifdef FL_DEBUG
    qWarning( tr( "FLFormSearchDB::exec(): Se ha detectado una llamada recursiva" ) );
#endif
    return QVariant();
  }

  QWidget::show();

  if ( initFocusWidget_ )
    initFocusWidget_->setFocus();

  if ( iface )
    static_cast<FLApplication *>( qApp ) ->call( "init", QSArgumentList(), iface );

  accepted_ = false;
  loop = true;
  QApplication::eventLoop()->enterLoop();

  clearWFlags( WShowModal );
  QVariant v;

  if ( accepted_ && !n.isEmpty() )
    v = cursor_->valueBuffer( n );
  else
    v = QVariant();

  return v;
}

void FLFormSearchDB::hide() {
  if ( isHidden() )
    return;
  QWidget::hide();
  if ( loop ) {
    loop = false;
    QApplication::eventLoop()->exitLoop();
  }
}

void FLFormSearchDB::closeEvent( QCloseEvent * e ) {
// dpinelo: Agregado para guardar y conocer los tamaños de las ventanas
  	// dpinelo: Tras establecer el widget, establecemos las medidas guardadas del formulario
	QSettings settings;
	settings.setPath( "InfoSiAL", "FacturaLUX", QSettings::User );
	QString keybase( "/facturalux/lite/formularios/" );
	QRect geo = this->geometry();
	settings.writeEntry( keybase + "FLFormSearchDB" + name_ + "w", geo.width() );
	settings.writeEntry( keybase + "FLFormSearchDB" + name_ + "h", geo.height() );
  
	if ( focusWidget() ) {
    FLFieldDB * fdb = ::qt_cast<FLFieldDB *>( focusWidget()->parentWidget() );
    if ( fdb && fdb->autoComFrame_ && fdb->autoComFrame_->isVisible() ) {
      fdb->autoComFrame_->hide();
      return;
    }
  }

  if ( cursor_ && pushButtonCancel ) {
    if ( !pushButtonCancel->isEnabled() )
      return ;
    isClosing_ = true;
    if ( cursor_ && oldCursorCtxt )
      cursor_->setContext( oldCursorCtxt );
  } else
    isClosing_ = true;
  if ( isShown() )
    reject();
  if ( isHidden() ) {
    emit closed();
    QWidget::closeEvent( e );
    deleteLater();
  }
}

void FLFormSearchDB::setCursor( FLSqlCursor * c ) {
  if ( !c )
    return;
  if ( cursor_ )
    disconnect( cursor_, SIGNAL( recordChoosed() ), this, SLOT( accept() ) );
  cursor_ = c;
  cursor_->setEdition( false );
  cursor_->setBrowse( false );
  connect( cursor_, SIGNAL( recordChoosed() ), this, SLOT( accept() ) );
  if ( iface )
    iface->setObjCursor( c );
  initForm();
}

void FLFormSearchDB::setMainWidget( QWidget * w ) {
  if ( !cursor_ || !w )
    return ;

  if ( showed ) {
    if ( mainWidget_ && mainWidget_ != w )
      initMainWidget( w );
  } else
    w->hide();

  if ( layoutButtons )
    delete layoutButtons;

  if ( layout )
    delete layout;

  w->setFont( qApp->font() );
  layout = new QVBoxLayout( this, 2, 3, "vlay" + name_ );

  layout->add( w );

  layoutButtons = new QHBoxLayout( layout, 3, "hlay" + name_ ) ;
  QSpacerItem *spacer_3 = new QSpacerItem( 20, 20, QSizePolicy::Expanding,
      QSizePolicy::Minimum );

  QSize pbSize( 26, 26 );

  layoutButtons->addItem( spacer_3 );

  pushButtonAccept = new QPushButton( this, "pushButtonAccept" );
  pushButtonAccept->setSizePolicy( QSizePolicy(( QSizePolicy::SizeType ) 0, ( QSizePolicy::SizeType ) 0, 0, 0,
                                   pushButtonAccept->sizePolicy().hasHeightForWidth() ) );
  pushButtonAccept->setMinimumSize( pbSize );
  pushButtonAccept->setMaximumSize( pbSize );
  QPixmap ok( QPixmap::fromMimeSource( "button_ok.png" ) );
  pushButtonAccept->setIconSet( ok );
  pushButtonAccept->setFocusPolicy( QWidget::NoFocus );
  pushButtonAccept->setAccel( QKeySequence( Qt::Key_F10 ) );
  pushButtonAccept->setDefault( true );
  QToolTip::add( pushButtonAccept, tr( "Seleccionar registro actual y cerrar formulario (F10)" ) );
  QWhatsThis::add( pushButtonAccept, tr( "Seleccionar registro actual y cerrar formulario (F10)" ) );
  layoutButtons->addWidget( pushButtonAccept );
  connect( pushButtonAccept, SIGNAL( clicked() ), this, SLOT( accept() ) );

  pushButtonCancel = new QPushButton( this, "pushButtonCancel" );
  pushButtonCancel->setSizePolicy( QSizePolicy(( QSizePolicy::SizeType ) 0, ( QSizePolicy::SizeType ) 0, 0, 0,
                                   pushButtonCancel->sizePolicy().hasHeightForWidth() ) );
  pushButtonCancel->setMinimumSize( pbSize );
  pushButtonCancel->setMaximumSize( pbSize );
  QPixmap cancel( QPixmap::fromMimeSource( "button_cancel.png" ) );
  pushButtonCancel->setIconSet( cancel );
  pushButtonCancel->setFocusPolicy( QWidget::NoFocus );
  pushButtonCancel->setAccel( QKeySequence( tr( "Esc" ) ) );
  QToolTip::add( pushButtonCancel, tr( "Cerrar formulario sin seleccionar registro (Esc)" ) );
  QWhatsThis::add( pushButtonCancel, tr( "Cerrar formulario sin seleccionar registro (Esc)" ) );
  layoutButtons->addWidget( pushButtonCancel );
  connect( pushButtonCancel, SIGNAL( clicked() ), this, SLOT( reject() ) );

  mainWidget_ = w;

  cursor_->setEdition( false );
  cursor_->setBrowse( false );
  connect( cursor_, SIGNAL( recordChoosed() ), this, SLOT( accept() ) );

  // dpinelo: Tras establecer el widget, establecemos las medidas guardadas del formulario
  QSettings settings;
  settings.setPath( "InfoSiAL", "FacturaLUX", QSettings::User );
  QString keybase( "/facturalux/lite/formularios/" );
  int mWidth = settings.readNumEntry( keybase + "FLFormSearchDB" + name_ + "w", mainWidget_->width() );
  int mHeight = settings.readNumEntry( keybase + "FLFormSearchDB" + name_ + "h", mainWidget_->height() );
  if ( mWidth > 0 && mHeight > 0 ) {
	  QSize tamanio (mWidth, mHeight);
	  this->resize( tamanio );
  }
  
  QRect desk = QApplication::desktop()->geometry();
  QPoint p = desk.center() - QPoint( mWidth / 2, mHeight / 2 );
  if ( p.x() + mWidth > desk.width() )
    p.setX( desk.width() - mWidth );
  if ( p.y() + mHeight > desk.height() )
    p.setY( desk.height() - mHeight );
  if ( p.x() < 0 )
    p.setX( 0 );
  if ( p.y() < 0 )
    p.setY( 0 );
  move( p );
}

void FLFormSearchDB::initScript() {
}

void FLFormSearchDB::setMainWidget() {
  if ( !action_ )
    return ;
  if ( cursor_ )
    setMainWidget( cursor_->db()->managerModules()->createForm( action_, this, this ) );
  else
    setMainWidget( FLSqlConnections::database()->managerModules()->createForm( action_, this, this ) );
}

void FLFormSearchDB::accept() {
  if ( cursor_ ) {
    disconnect( cursor_, SIGNAL( recordChoosed() ), this, SLOT( accept() ) );
    accepted_ = true;
  }
  hide();
}

void FLFormSearchDB::reject() {
  if ( cursor_ )
    disconnect( cursor_, SIGNAL( recordChoosed() ), this, SLOT( accept() ) );
  hide();
}

void FLFormSearchDB::openIde() {
#ifdef FL_DEBUGGER
  static_cast<FLApplication *>( qApp )->openIDE( iface );
#endif
}