/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.

Copyright (C) 2009 Martin Gräßlin <kde@martin-graesslin.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; 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, see <http://www.gnu.org/licenses/>.
*********************************************************************/

#include "desktopnameswidget.h"
#include "main.h"

#include <QLabel>
#include <QGridLayout>

#include <KLocale>
#include <KLineEdit>

namespace KWin
{

DesktopNamesWidget::DesktopNamesWidget( QWidget *parent )
    : QWidget( parent )
    , m_maxDesktops( 0 )
    {
    m_namesLayout = new QGridLayout;
    m_namesLayout->setMargin( 0 );

    setLayout( m_namesLayout );
    }

DesktopNamesWidget::~DesktopNamesWidget()
    {
    }

void DesktopNamesWidget::numberChanged( int number )
    {
    if( (number < 1) || (number > m_maxDesktops) )
        return;
    if( m_nameInputs.size() != number )
        {
        if( number < m_nameInputs.size() )
            {
            // remove widgets
            while( number != m_nameInputs.size() )
                {
                KLineEdit* edit = m_nameInputs.last();
                m_nameInputs.removeLast();
                delete edit;
                QLabel* label = m_nameLabels.last();
                m_nameLabels.removeLast();
                delete label;
                }
            }
        else
            {
            // add widgets
            while( number != m_nameInputs.size() )
                {
                int desktop = m_nameInputs.size();
                QLabel* label = new QLabel( i18n( "Desktop %1:", desktop+1 ), this );
                KLineEdit* edit = new KLineEdit( this );
                label->setWhatsThis( i18n( "Here you can enter the name for desktop %1", desktop+1 ) );
                edit->setWhatsThis( i18n( "Here you can enter the name for desktop %1", desktop+1 ) );

                m_namesLayout->addWidget( label, desktop % 10, 0 + 2 * (desktop >= 10), 1, 1 );
                m_namesLayout->addWidget( edit, desktop % 10, 1 + 2 * (desktop >= 10), 1, 1 );
                m_nameInputs << edit;
                m_nameLabels << label;

                setDefaultName( desktop +1 );
                if( desktop > 1 )
                    {
                    setTabOrder( m_nameInputs[desktop - 1], m_nameInputs[desktop] );
                    }
                connect( edit, SIGNAL(textChanged(const QString&)), SIGNAL( changed() ));
                }
            }
        }
    }

QString DesktopNamesWidget::name(int desktop)
    {
    if( (desktop < 1) || (desktop > m_maxDesktops) || (desktop > m_nameInputs.size()) )
        return QString();
    return m_nameInputs[ desktop -1 ]->text();
    }


void DesktopNamesWidget::setName( int desktop, QString desktopName )
    {
    if( (desktop < 1) || (desktop > m_maxDesktops) || (desktop > m_nameInputs.size()) )
        return;
    m_nameInputs[ desktop-1 ]->setText( desktopName );
    }

void DesktopNamesWidget::setDefaultName( int desktop )
    {
    if( (desktop < 1) || (desktop > m_maxDesktops) )
        return;
    QString name = m_desktopConfig->cachedDesktopName( desktop );
    if( name.isEmpty() )
        name = i18n("Desktop %1", desktop);
    m_nameInputs[ desktop -1 ]->setText( name );
    }


void DesktopNamesWidget::setMaxDesktops(int maxDesktops)
    {
    m_maxDesktops = maxDesktops;
    }

void DesktopNamesWidget::setDesktopConfig( KWinDesktopConfig* desktopConfig)
    {
    m_desktopConfig = desktopConfig;
    }

} // namespace

#include "desktopnameswidget.moc"