AbstractDataPlugin.cpp

// SPDX-License-Identifier: LGPL-2.1-or-later
//
// SPDX-FileCopyrightText: 2009 Bastian Holst <bastianholst@gmx.de>
//
 
// Self
#include "AbstractDataPlugin.h"
 
// Marble
#include "AbstractDataPluginModel.h"
#include "AbstractDataPluginItem.h"
#include "GeoPainter.h"
#include "GeoSceneLayer.h"
#include "MarbleModel.h"
#include "ViewportParams.h"
#include "MarbleDebug.h"
 
// Qt
#include <QTimer>
#include <QRegion>
 
namespace Marble
{
 
class AbstractDataPluginPrivate
{
 public:
    AbstractDataPluginPrivate()
        : m_model( nullptr ),
          m_numberOfItems( 10 )
    {
      m_updateTimer.setSingleShot( true );
    }
    
    ~AbstractDataPluginPrivate() {
        delete m_model;
    }
    
    AbstractDataPluginModel *m_model;
    quint32 m_numberOfItems;
    QTimer m_updateTimer;
};
 
AbstractDataPlugin::AbstractDataPlugin( const MarbleModel *marbleModel )
    : RenderPlugin( marbleModel ),
      d( new AbstractDataPluginPrivate )
{
  connect( &d->m_updateTimer, SIGNAL(timeout()), this, SIGNAL(repaintNeeded()) );
}
 
AbstractDataPlugin::~AbstractDataPlugin()
{
    delete d;
}
 
bool AbstractDataPlugin::isInitialized() const
{
    return model() != nullptr;
}
 
QStringList AbstractDataPlugin::backendTypes() const
{
    return QStringList( name() );
}
 
QString AbstractDataPlugin::renderPolicy() const
{
    return QString( "ALWAYS" );
}
 
QStringList AbstractDataPlugin::renderPosition() const
{
    return QStringList( "ALWAYS_ON_TOP" );
}
 
bool AbstractDataPlugin::render( GeoPainter *painter, ViewportParams *viewport,
             const QString& renderPos, GeoSceneLayer * layer)
{
    Q_UNUSED( renderPos );
    Q_UNUSED( layer );
 
    QList<AbstractDataPluginItem*> items = d->m_model->items( viewport, numberOfItems() );
    painter->save();
 
    // Paint the most important item at last
    for( int i = items.size() - 1; i >= 0; --i ) {
        items.at( i )->paintEvent( painter, viewport );
    }
 
    painter->restore();
 
    return true;
}
 
AbstractDataPluginModel *AbstractDataPlugin::model()
{
    return d->m_model;
}
 
const AbstractDataPluginModel *AbstractDataPlugin::model() const
{
    return d->m_model;
}
 
void AbstractDataPlugin::setModel( AbstractDataPluginModel* model )
{
    if ( d->m_model ) {
        disconnect( d->m_model, SIGNAL(itemsUpdated()), this, SLOT(delayedUpdate()) );
        delete d->m_model;
    }
    d->m_model = model;
 
    connect( d->m_model, SIGNAL(itemsUpdated()), this, SLOT(delayedUpdate()) );
    connect( d->m_model, SIGNAL(favoriteItemsChanged(QStringList)), this,
             SLOT(favoriteItemsChanged(QStringList)) );
    connect( d->m_model, SIGNAL(favoriteItemsOnlyChanged()), this,
                         SIGNAL(favoriteItemsOnlyChanged()) );
 
    emit favoritesModelChanged();
}
 
quint32 AbstractDataPlugin::numberOfItems() const
{
    return d->m_numberOfItems;
}
    
void AbstractDataPlugin::setNumberOfItems( quint32 number )
{
    bool changed = ( number != d->m_numberOfItems );
    d->m_numberOfItems = number;
 
    if ( changed )
        emit changedNumberOfItems( number );
}
 
QList<AbstractDataPluginItem *> AbstractDataPlugin::whichItemAt( const QPoint& curpos )
{
    if ( d->m_model && enabled() && visible()) {
        return d->m_model->whichItemAt( curpos );
    }
    else {
        return QList<AbstractDataPluginItem *>();
    }
}
 
RenderPlugin::RenderType AbstractDataPlugin::renderType() const
{
    return OnlineRenderType;
}
 
void AbstractDataPlugin::setFavoriteItemsOnly( bool favoriteOnly )
{
    if ( d->m_model && d->m_model->isFavoriteItemsOnly() != favoriteOnly ) {
        d->m_model->setFavoriteItemsOnly( favoriteOnly );
    }
}
 
bool AbstractDataPlugin::isFavoriteItemsOnly() const
{
    return d->m_model && d->m_model->isFavoriteItemsOnly();
}
 
QObject *AbstractDataPlugin::favoritesModel()
{
    return d->m_model ? d->m_model->favoritesModel() : nullptr;
}
 
void AbstractDataPlugin::favoriteItemsChanged( const QStringList& favoriteItems )
{
  Q_UNUSED( favoriteItems )
}
 
void AbstractDataPlugin::delayedUpdate()
{
  if ( !d->m_updateTimer.isActive() )
  {
    d->m_updateTimer.start( 500 );
  }
}
 
} // namespace Marble
 
#include "moc_AbstractDataPlugin.cpp"