//
// This file is part of the Marble Virtual Globe.
//
// This program is free software licensed under the GNU LGPL. You can
// find a copy of this license in LICENSE.txt in the top directory of
// the source code.
//
// Copyright 2007      Torsten Rahn  <rahn@kde.org>
// Copyright 2008      Jens-Michael Hoffmann <jensmh@gmx.de>
//

#include "MarblePluginSettingsWidget.h"
#include "ui_MarblePluginSettingsWidget.h"

// Qt
#include <QtCore/QPointer>
#include <QtGui/QDialog>

// Marble
#include "DialogConfigurationInterface.h"
#include "PluginAboutDialog.h"
#include "PluginItemDelegate.h"
#include "RenderPluginModel.h"

namespace Marble
{

class MarblePluginSettingsWidgetPrivate : public Ui::MarblePluginSettingsWidget
{
 public:
    MarblePluginSettingsWidgetPrivate( Marble::MarblePluginSettingsWidget *parent ) :
        q( parent )
    {}

    /**
     * Shows the about dialog for the plugin with the corresponding @p nameId.
     */
    void showPluginAboutDialog( const QModelIndex &index );

    /**
     * Shows the configuration dialog for the plugin with the corresponding @p nameId.
     */
    void showPluginConfigDialog( const QModelIndex &index );

    Marble::MarblePluginSettingsWidget *const q;
    PluginItemDelegate *m_itemDelegate;
    QPointer<RenderPluginModel> m_pluginModel;
};

void MarblePluginSettingsWidgetPrivate::showPluginAboutDialog( const QModelIndex &index )
{
    if ( m_pluginModel.isNull() )
        return;

    QPointer<PluginAboutDialog> aboutDialog = new PluginAboutDialog( q );

    aboutDialog->setName( m_pluginModel->data( index, RenderPluginModel::Name ).toString() );
    aboutDialog->setIcon( qvariant_cast<QIcon>( m_pluginModel->data( index, RenderPluginModel::Icon ) ) );
    aboutDialog->setVersion( m_pluginModel->data( index, RenderPluginModel::Version ).toString() );
    aboutDialog->setDataText( m_pluginModel->data( index, RenderPluginModel::AboutDataText ).toString() );
    const QString copyrightText = QObject::tr( "<br/>(c) %1 The Marble Project<br /><br/><a href=\"http://edu.kde.org/marble\">http://edu.kde.org/marble</a>" );
    aboutDialog->setAboutText( copyrightText.arg( m_pluginModel->data( index, RenderPluginModel::CopyrightYears ).toString() ) );
    aboutDialog->setAuthors( m_pluginModel->pluginAuthors( index ) );

    aboutDialog->exec();
    delete aboutDialog;
}

void MarblePluginSettingsWidgetPrivate::showPluginConfigDialog( const QModelIndex &index )
{
    if ( m_pluginModel.isNull() )
        return;

    DialogConfigurationInterface *configInterface = m_pluginModel->pluginDialogConfigurationInterface( index );;
    QDialog *configDialog = configInterface ? configInterface->configDialog() : 0;
    if ( configDialog ) {
        configDialog->show();
    }
}

MarblePluginSettingsWidget::MarblePluginSettingsWidget( QWidget *parent )
    : QWidget( parent ),
      d( new MarblePluginSettingsWidgetPrivate( this ) )
{
    d->setupUi( this );

    d->m_itemDelegate = new PluginItemDelegate( d->m_pluginListView, this );
    d->m_pluginListView->setItemDelegate( d->m_itemDelegate );
    connect( d->m_itemDelegate, SIGNAL(aboutPluginClicked(QModelIndex)),
             this,              SLOT(showPluginAboutDialog(QModelIndex)) );
    connect( d->m_itemDelegate, SIGNAL(configPluginClicked(QModelIndex)),
             this,              SLOT(showPluginConfigDialog(QModelIndex)) );
}

void MarblePluginSettingsWidget::setAboutIcon( const QIcon& icon )
{
    d->m_itemDelegate->setAboutIcon( icon );
}

MarblePluginSettingsWidget::~MarblePluginSettingsWidget()
{
    delete d;
}

void MarblePluginSettingsWidget::setConfigIcon( const QIcon& icon )
{
    d->m_itemDelegate->setConfigIcon( icon );
}

void MarblePluginSettingsWidget::setModel( RenderPluginModel* pluginModel )
{
    if ( !d->m_pluginModel.isNull() ) {
        disconnect( d->m_pluginModel.data(), 0, this, 0 );
    }

    d->m_pluginModel = pluginModel;
    d->m_pluginListView->setModel( pluginModel );

    if ( !d->m_pluginModel.isNull() ) {
        connect( d->m_pluginModel.data(), SIGNAL(itemChanged(QStandardItem*)),
                 this,                    SIGNAL(pluginListViewClicked()) );
    }
}

} // namespace Marble

#include "MarblePluginSettingsWidget.moc"
