/*
* This file is part of LaTeXDraw.
* Copyright (c) 2005-2017 Arnaud BLOUIN
* LaTeXDraw is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any later version.
* LaTeXDraw is distributed without any warranty; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
package net.sf.latexdraw.handlers;
import java.util.Objects;
import javafx.beans.binding.Bindings;
import javafx.scene.shape.Rectangle;
import net.sf.latexdraw.models.interfaces.shape.IPoint;
/**
* A handler that moves a point of a shape.
* @author Arnaud BLOUIN
*/
public class MovePtHandler extends Rectangle implements Handler {
/** The point moved by the handler. */
private IPoint point;
/**
* The constructor by default.
* @throws NullPointerException If the given point is null.
*/
public MovePtHandler(final IPoint pt) {
super();
point = Objects.requireNonNull(pt);
setWidth(DEFAULT_SIZE);
setHeight(DEFAULT_SIZE);
translateXProperty().bind(Bindings.createDoubleBinding(() -> pt.getX() - DEFAULT_SIZE / 2d, pt.xProperty()));
translateYProperty().bind(Bindings.createDoubleBinding(() -> pt.getY() - DEFAULT_SIZE / 2d, pt.yProperty()));
setStroke(null);
setFill(DEFAULT_COLOR);
}
@Override
public void flush() {
translateXProperty().unbind();
translateYProperty().unbind();
point = null;
}
/**
* @return The point controlled by the handler.
*/
public IPoint getPoint() {
return point;
}
}