package org.simantics.district.network.ui;

import org.simantics.district.network.ui.nodes.NetworkDrawingNode;
import org.simantics.g2d.canvas.impl.SGNodeReflection.SGInit;
import org.simantics.g2d.diagram.IDiagram;
import org.simantics.g2d.diagram.participant.AbstractDiagramParticipant;
import org.simantics.scenegraph.g2d.G2DParentNode;
import org.simantics.utils.datastructures.hints.IHintContext.Key;
import org.simantics.utils.datastructures.hints.IHintContext.KeyOf;

public class NetworkDrawingParticipant extends AbstractDiagramParticipant {

    /**
     * A hint key for terminal pick distance in control pixels.
     * @see #PICK_DIST
     */
    public static final Key KEY_PICK_DISTANCE = new KeyOf(Double.class, "PICK_DISTANCE");

    /**
     * Default terminal pick distance in control pixels.
     * @see #DEFAULT_PICK_DISTANCE
     */
    public static final double PICK_DIST = 10;
    
    private NetworkDrawingNode node;
    
    @SGInit
    public void initSG(G2DParentNode parent) {
        node = parent.addNode("networkDrawingNode", NetworkDrawingNode.class);
        node.setNetworkDrawingParticipant(this);
    }
    
    @Override
    protected void onDiagramSet(IDiagram newDiagram, IDiagram oldDiagram) {
        node.setDiagram(newDiagram);
    }

}