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/******************************************************************************
*
* Copyright (C) 2002 Hugo PEREIRA <mailto: hugo.pereira@free.fr>
*
* This 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 software 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, see <http://www.gnu.org/licenses/>.
*
*******************************************************************************/
#include "Util.h"
#include "UserSelectionFrame.h"
#include <QLayout>
#include <QLabel>
//____________________________________________________________
UserSelectionFrame::UserSelectionFrame( QWidget* parent ):
QWidget( parent ),
Counter( "UserSelectionFrame" ),
delay_( 500 )
{
Debug::Throw( "UserSelectionFrame::UserSelectionFrame\n" );
setLayout( new QHBoxLayout );
layout()->setMargin(0);
layout()->setSpacing(5);
layout()->addWidget( comboBox_ = new CustomComboBox( this ) );
comboBox_->setMinimumSize( QSize( 100, 0 ) );
comboBox_->setEditable( true );
comboBox_->setAutoCompletion( true );
comboBox_->setToolTip( tr( "User selection" ) );
// send appropriate signal directly
connect( comboBox_, SIGNAL(activated(QString)), SLOT(_userChanged()) );
// one must add a timer here so that the signal gets
// emitted only after some delay, to avoid to many signals are sent when typing
connect( comboBox_, SIGNAL(editTextChanged(QString)), SLOT(_delayedUserChanged()) );
}
//____________________________________________________________
QStringList UserSelectionFrame::users() const
{
QStringList out;
for( int i=0; i< comboBox_->QComboBox::count(); i++ )
{
const QString& user( comboBox_->itemText( i ) );
if( !user.isNull() ) out << user;
}
return out;
}
//____________________________________________________________
void UserSelectionFrame::setUser( const QString& user )
{
Debug::Throw() << "UserSelectionFrame::set - user: " << user << endl;
if( user.isNull() || user.isEmpty() ) return;
for( int i=0; i< comboBox_->QComboBox::count(); i++ )
{
if( user == comboBox_->itemText( i ) )
{
comboBox_->setCurrentIndex(i);
return;
}
}
comboBox_->addItem( user );
comboBox_->setEditText( user );
return;
}
//________________________________________________________________
void UserSelectionFrame::updateUsers( QStringList users )
{
Debug::Throw( "UserSelectionFrame::updateUsers.\n" );
// make sure default user and current user are in the list
const QString currentUser( user() );
if( !( currentUser.isEmpty() || users.contains( currentUser ) ) )
{ users.prepend( currentUser ); }
// take all items except current
for( int index = 0; index < comboBox_->QComboBox::count(); )
{
if( !currentUser.isEmpty() && comboBox_->itemText( index ) == currentUser ) index++;
else comboBox_->removeItem( index );
}
// insert items, respecting order
for( int index = 0; index < users.size(); ++index )
{ if( users[index] != currentUser ) comboBox_->insertItem( index, users[index] ); }
}
//____________________________________________________________
QString UserSelectionFrame::user() const
{
Debug::Throw( "UserSelectionFrame::user.\n" );
QString user( comboBox_->currentText() );
if( user.isNull() || user.isEmpty() ) return "";
return user.trimmed();
}
//____________________________________________________________
void UserSelectionFrame::_userChanged()
{
QString new_user( user() );
if( new_user == user_ ) return;
user_ = new_user;
emit userChanged( user_ );
}
//____________________________________________________________
void UserSelectionFrame::timerEvent( QTimerEvent* event )
{
if( event->timerId() == timer_.timerId() )
{
timer_.stop();
_userChanged();
} else return QWidget::timerEvent( event );
}
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