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Code: Alles auswählen

void QGraphicalEditor::clear(void)
{
	links.clear();

	while(!widgets.empty())
	{
		QGraphicalEditorWidget * tempwidget = (QGraphicalEditorWidget*)*widgets.begin();
		scene.removeItem(tempwidget);
		widgets.pop_front();
		delete tempwidget;
	}

	layout->init();
	scene.clear();
}

Code: Alles auswählen

void QGraphicalEditorLinkManager::clear(void)
{
	if(links.size()>0)
	{
		QGraphicalEditor *gEditor = QVolumeShopApplication::Get()->GetMainframe()->GetGraphicalEditor();

		while(!links.empty())
		{	
			QGraphicalEditorLink * litem = (QGraphicalEditorLink*)*links.begin();
			gEditor->removeLinkFromLayout(litem); //Lösche die Kante aus der Layout-Klasse
			gEditor->getScene()->removeItem(litem); //Aus der Szene entfernen
			links.pop_front(); //aus der Liste nehmen
			delete litem; //Element löschen
		}
	}
}

Code: Alles auswählen

QPainterPath QGraphicalEditorLink::shape() const
{
	QPainterPath rectPath;

	if(selflink) //zwei verlinkte Properties im selben Widget -> Schleife
	{
		qreal mx = widget1->getCenterPos().x() - SELFLINK_SIZE;
		qreal my = widget1->getCenterPos().y() + widget1->boundingRect().height()/2.0 - SELFLINK_SIZE;

		rectPath.addEllipse(mx,my,SELFLINK_SIZE*2,SELFLINK_SIZE*2);
	}
	else
	{
		rectPath.moveTo(widget1->getCenterPos().x(), widget1->getCenterPos().y()); //getCenterPos = Mittelpunkt des Widgets
		rectPath.lineTo(widget2->getCenterPos().x(), widget2->getCenterPos().y());
		
		rectPath.closeSubpath();
	}

	QPainterPathStroker stroker;
        stroker.setWidth(5);
	return stroker.createStroke(rectPath);
}

Code: Alles auswählen

	Connection::Connection( Node* aFromNode, Node* aToNode )
		:QGraphicsItem( null, null )
		,_fromNode( aFromNode )
		,_toNode( aToNode )
	{
		_fromPoint = _fromNode->createPoint( _toNode->pos() );
		_fromPoint->setConnection( this );
		_toPoint = _toNode->createPoint( _fromNode->pos() );
		_toPoint->setConnection( this );
		setFlag(QGraphicsItem::ItemIsSelectable, true);
		setFlag(QGraphicsItem::ItemIsFocusable, true);
		[b]setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);[/b]
		updatePosition();
	}
	QRectF Connection::boundingRect() const{
		return _boundingRect;
	}
	QPainterPath Connection::shape() const{
		return path;
	}
	void Connection::updatePosition(){
		from = _fromPoint->pos();
		_boundingRect = QRectF( from, QSizeF( 10, 10 ) );
		path.moveTo( from );
		to = _toPoint->pos();
		_boundingRect = _boundingRect.united( QRectF( to, QSize( 10, 10 ) ) );
		path.lineTo( to );
		[b]prepareGeometryChange();[/b]
	}
	Node::Node( const Accessor& object )
		:QGraphicsItem( null, null )
		,_size( 50.0f, 150.0f )
	{
		setPos( _object->getPosition() );
		QCursor cursor( Qt::SizeAllCursor );
		setCursor( cursor );
		setFlag(QGraphicsItem::ItemIsMovable, true);
		setFlag(QGraphicsItem::ItemIsSelectable, true);
		setFlag(QGraphicsItem::ItemIsFocusable, true);
		[b]setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
		setFlag(QGraphicsItem::ItemClipsToShape, true);
		setFlag(QGraphicsItem::ItemClipsChildrenToShape, true);[/b]
	}
	void Node::updatePosition(){
		foreach( NodePoint* point, points ){
			point->updatePosition(); // bewirkt connection->updatePosition();
		}
	}

	QVariant Node::itemChange(GraphicsItemChange change, const QVariant &value){
		if (change == ItemPositionHasChanged ) {
			QPointF newPos = value.toPointF();
			_object->setPosition( newPos );
			updatePosition();
		}
		return QGraphicsItem::itemChange(change, value);
	}