void KoResourcePopupAction::indexChanged(const QModelIndex &modelIndex)
{
if (! modelIndex.isValid()) {
return;
}
d->menu->hide();
KoResource *resource = static_cast<KoResource*>(modelIndex.internalPointer());
if(resource) {
KoAbstractGradient *gradient = dynamic_cast<KoAbstractGradient*>(resource);
KoPattern *pattern = dynamic_cast<KoPattern*>(resource);
if (gradient) {
QGradient *qg = gradient->toQGradient();
qg->setCoordinateMode(QGradient::ObjectBoundingMode);
d->background = QSharedPointer<KoShapeBackground>(new KoGradientBackground(qg));
} else if (pattern) {
KoImageCollection *collection = new KoImageCollection();
d->background = QSharedPointer<KoShapeBackground>(new KoPatternBackground(collection));
qSharedPointerDynamicCast<KoPatternBackground>(d->background)->setPattern(pattern->pattern());
}
emit resourceSelected(d->background);
updateIcon();
}
}
void KoResourceItemDelegate::paint( QPainter * painter, const QStyleOptionViewItem & option, const QModelIndex & index ) const
{
if( ! index.isValid() )
return;
KoResource * resource = static_cast<KoResource*>( index.internalPointer() );
if (!resource)
return;
painter->save();
if (option.state & QStyle::State_Selected)
painter->fillRect( option.rect, option.palette.highlight() );
QRect innerRect = option.rect.adjusted( 2, 1, -2, -1 );
KoAbstractGradient * gradient = dynamic_cast<KoAbstractGradient*>( resource );
if (gradient) {
QGradient * g = gradient->toQGradient();
QLinearGradient paintGradient;
paintGradient.setStops( g->stops() );
paintGradient.setStart( innerRect.topLeft() );
paintGradient.setFinalStop( innerRect.topRight() );
m_checkerPainter.paint( *painter, innerRect );
painter->fillRect( innerRect, QBrush( paintGradient ) );
delete g;
}
else {
QImage thumbnail = index.data( Qt::DecorationRole ).value<QImage>();
QSize imageSize = thumbnail.size();
if(imageSize.height() > innerRect.height() || imageSize.width() > innerRect.width()) {
qreal scaleW = static_cast<qreal>( innerRect.width() ) / static_cast<qreal>( imageSize.width() );
qreal scaleH = static_cast<qreal>( innerRect.height() ) / static_cast<qreal>( imageSize.height() );
qreal scale = qMin( scaleW, scaleH );
int thumbW = static_cast<int>( imageSize.width() * scale );
int thumbH = static_cast<int>( imageSize.height() * scale );
thumbnail = thumbnail.scaled( thumbW, thumbH, Qt::IgnoreAspectRatio, Qt::SmoothTransformation );
}
painter->setRenderHint(QPainter::SmoothPixmapTransform, true);
if (thumbnail.hasAlphaChannel()) {
painter->fillRect(innerRect, Qt::white); // no checkers, they are confusing with patterns.
}
painter->fillRect( innerRect, QBrush(thumbnail) );
}
painter->restore();
}
KoResourcePopupAction::KoResourcePopupAction(QSharedPointer<KoAbstractResourceServerAdapter>resourceAdapter, QObject *parent)
: KAction(parent)
, d(new Private())
{
Q_ASSERT(resourceAdapter);
d->menu = new QMenu();
QWidget *widget = new QWidget(d->menu);
QWidgetAction *wdgAction = new QWidgetAction(widget);
d->resourceList = new KoResourceItemView(widget);
d->resourceList->setModel(new KoResourceModel(resourceAdapter, widget));
d->resourceList->setItemDelegate(new KoResourceItemDelegate(widget));
KoResourceModel * resourceModel = qobject_cast<KoResourceModel*>(d->resourceList->model());
if (resourceModel) {
resourceModel->setColumnCount(1);
}
KoResource *resource = 0;
if (resourceAdapter->resources().count() > 0) {
resource = resourceAdapter->resources().at(0);
}
KoAbstractGradient *gradient = dynamic_cast<KoAbstractGradient*>(resource);
KoPattern *pattern = dynamic_cast<KoPattern*>(resource);
if (gradient) {
QGradient *qg = gradient->toQGradient();
qg->setCoordinateMode(QGradient::ObjectBoundingMode);
d->background = QSharedPointer<KoShapeBackground>(new KoGradientBackground(qg));
} else if (pattern) {
KoImageCollection *collection = new KoImageCollection();
d->background = QSharedPointer<KoShapeBackground>(new KoPatternBackground(collection));
static_cast<KoPatternBackground*>(d->background.data())->setPattern(pattern->pattern());
}
QHBoxLayout *layout = new QHBoxLayout(widget);
layout->addWidget(d->resourceList);
widget->setLayout(layout);
wdgAction->setDefaultWidget(widget);
d->menu->addAction(wdgAction);
setMenu(d->menu);
new QHBoxLayout(d->menu);
d->menu->layout()->addWidget(widget);
d->menu->layout()->setMargin(0);
connect(d->resourceList, SIGNAL(clicked(QModelIndex)), this, SLOT(indexChanged(QModelIndex)));
updateIcon();
}