/* 
 
Copyright 2006 Rene Grothmann, modified by Eric Hakenholz

This file is part of C.a.R. software.

    C.a.R. is a 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, version 3 of the License.

    C.a.R. is distributed in the hope that it will be useful,
    but 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.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 */
 
 
 package rene.zirkel.tools;

// file: MoveConstructor.java

import java.awt.event.MouseEvent;

import rene.gui.Global;
import rene.zirkel.ZirkelCanvas;
import rene.zirkel.constructors.ObjectConstructor;
import rene.zirkel.objects.ConstructionObject;

public class LabelMover extends ObjectConstructor {
	ConstructionObject P;
	ObjectConstructor OC;
	int X, Y;
	double OX, OY;

	public LabelMover(final ObjectConstructor oc, final ZirkelCanvas zc,
			final int x, final int y, final ConstructionObject p,
			final boolean shift) {
		OC = oc;
		P = p;
		if (shift || !P.canKeepClose()) {
			X = x;
			Y = y;
			P.setKeepClose(false);
			OX = P.xcOffset();
			OY = P.ycOffset();
		} else {
			P.setKeepClose(zc.x(x), zc.y(y));
		}
		if (P != null) {
			P.setLabelSelected(true);
			zc.repaint();
			showStatus(zc);
		}
	}

	@Override
	public void mouseMoved(final MouseEvent e, final ZirkelCanvas zc,
			final boolean simple) {
	}

	@Override
	public void mouseDragged(final MouseEvent e, final ZirkelCanvas zc) {
		if (P == null)
			return;
		if (P.isKeepClose()) {
			P.setKeepClose(zc.x(e.getX()), zc.y(e.getY()));
		} else {
			P.setcOffset(OX + zc.dx(e.getX() - X), OY + zc.dy(Y - e.getY()));
		}
		zc.validate();
		zc.repaint();
	}

	@Override
	public void mouseReleased(final MouseEvent e, final ZirkelCanvas zc) {
		if (P == null)
			return;
		P.setLabelSelected(false);
		zc.repaint();
		P = null;
		showStatus(zc);
		zc.setTool(OC);
	}

	@Override
	public void reset(final ZirkelCanvas zc) {
		zc.clearSelected();
		P.setLabelSelected(false);
		zc.repaint();
	}

	public void resetPoint() {
		if (P != null) {
			P.setKeepClose(false);
			P.setcOffset(0, 0);
		}
	}

	@Override
	public void showStatus(final ZirkelCanvas zc) {
		if (P == null)
			zc.showStatus(Global.name("message.label.select",
			"Move Label: Select a label"));
		else
			zc.showStatus(Global.name("message.label.move",
			"Move Label: Move the label"));
	}

	@Override
	public boolean useSmartBoard() {
		return false;
	}
}