source: osm/applications/editors/josm/plugins/piclayer/src/org/openstreetmap/josm/plugins/piclayer/actions/transform/affine/MovePointAction.java@ 27403

package org.openstreetmap.josm.plugins.piclayer.actions.transform.affine;

import static org.openstreetmap.josm.tools.I18n.tr;

import java.awt.event.MouseEvent;
import java.awt.geom.NoninvertibleTransformException;
import java.awt.geom.Point2D;

import org.openstreetmap.josm.gui.MapFrame;
import org.openstreetmap.josm.plugins.piclayer.actions.GenericPicTransformAction;
import org.openstreetmap.josm.tools.ImageProvider;

// old version - ctrl move point (not transforming picture)
@SuppressWarnings("serial")
public class MovePointAction extends GenericPicTransformAction {

        public MovePointAction(MapFrame frame) {
        super(tr("PicLayer Move point"), tr("Point added/moved"), "movepoint", tr("Drag or create point on the picture"), frame, ImageProvider.getCursor("crosshair", null));
        }

        @Override
        protected void doAction(MouseEvent e) {
                try {
                        Point2D pressed = currentLayer.transformPoint(e.getPoint());
                        if (selectedPoint != null) {
                                currentLayer.getTransformer().replaceOriginPoint(selectedPoint, pressed);
                                selectedPoint = pressed;
                        }
                } catch (NoninvertibleTransformException e1) {
                        e1.printStackTrace();
                }
        }

        @Override
        public void mouseClicked(MouseEvent e) {
                if (currentLayer == null)
                        return;

                try {
                        Point2D pressed = currentLayer.transformPoint(e.getPoint());
                        if (selectedPoint == null)
                                currentLayer.getTransformer().addOriginPoint(pressed);

                        currentCommand.addIfChanged();
                } catch (NoninvertibleTransformException e1) {
                        e1.printStackTrace();
                }
        }

        @Override
        public void enterMode() {
            super.enterMode();
            updateDrawPoints(true);
        }

        @Override
        public void exitMode() {
            super.exitMode();
            updateDrawPoints(false);
        }
}