package org.simantics.district.network.ui.participants;

import java.awt.geom.Point2D;
import java.util.Set;

import org.simantics.g2d.canvas.ICanvasContext;
import org.simantics.g2d.canvas.ICanvasParticipant;
import org.simantics.g2d.diagram.participant.pointertool.PointerInteractor;
import org.simantics.g2d.diagram.participant.pointertool.TerminalUtil.TerminalInfo;
import org.simantics.g2d.element.IElement;
import org.simantics.scenegraph.g2d.events.EventHandlerReflection.EventHandler;
import org.simantics.scenegraph.g2d.events.KeyEvent;
import org.simantics.scenegraph.g2d.events.KeyEvent.KeyReleasedEvent;

public class DNPointerInteractor extends PointerInteractor {

    private RoutingMode routingMode;

    public DNPointerInteractor() {
        super(new DNPickSorter());
    }

    @Override
    protected ICanvasParticipant createConnectTool(TerminalInfo ti, int mouseId, Point2D startCanvasPos) {
        return super.createConnectTool(ti, mouseId, startCanvasPos);
    }

    @Override
    protected ICanvasParticipant createTranslateTool(int mouseId, Point2D startCanvasPos, Point2D curCanvasPos,
            Set<IElement> elementsToDrag) {
        return new DNTranslateMode(startCanvasPos, curCanvasPos, mouseId, elementsToDrag);
    }

    @EventHandler(priority = 1000)
    public boolean enterroutingMode(KeyEvent ke) {
        if (Character.toLowerCase(ke.character) == 't' && ke instanceof KeyReleasedEvent) {
            ICanvasContext canvasContext = getContext();
            if (routingMode == null || routingMode.isRemoved()) {
                routingMode = new RoutingMode(0);
                canvasContext.add(routingMode);
            }
        }
        return false;
    }

    @Override
    public double getPickDistance() {
        return 4;
    }
}