drawingpanel.java

化学图形处理软件

/*
 *  $RCSfile$
 *  $Author: egonw $
 *  $Date: 2007-01-04 18:26:00 +0100 (Thu, 04 Jan 2007) $
 *  $Revision: 7634 $
 *
 *  Copyright (C) 1997-2007  The JChemPaint project
 *
 *  Contact: [e-mail]
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public License
 *  as published by the Free Software Foundation; either version 2.1
 *  of the License, or (at your option) any later version.
 *  All we ask is that proper credit is given for our work, which includes
 *  - but is not limited to - adding the above copyright notice to the beginning
 *  of your source code files, and to any copyright notice that you may distribute
 *  with programs based on this work.
 *
 *  This program 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 Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 */
package org.openscience.cdk.applications.jchempaint;

import org.openscience.cdk.renderer.Renderer2D;
import org.openscience.cdk.renderer.Renderer2DModel;
import org.openscience.cdk.tools.manipulator.AtomContainerSetManipulator;

import javax.swing.*;
import java.awt.*;

/**
 *  This class implements an editing JChemPaintPanel.
 *
 *@author        steinbeck
 *@cdk.created       16. Februar 2005
 *@cdk.module    jchempaint
 *@see           JChemPaintViewerOnlyPanel
 */
public class DrawingPanel extends JPanel
{

	private static final long serialVersionUID = -7896336271183337200L;
	private JChemPaintModel jchemPaintModel;
	private Renderer2D r2d;
	private Dimension oldPreferredSize=null;
	/**
	 *  Description of the Field
	 */
	public boolean drawingNow = false;


	/**
	 *  Constructor for the DrawingPanel object
	 *
	 */
	public DrawingPanel()
	{
		super();
		
	}

	void setJChemPaintModel(JChemPaintModel model)
	{
		this.jchemPaintModel = model;
		r2d = new Renderer2D(jchemPaintModel.getRendererModel());
		r2d.setRenderer2DModel(jchemPaintModel.getRendererModel());
		revalidate();
	}
	
	public void updateRingSetInRenderer(){
		r2d.redoSSSR(AtomContainerSetManipulator.getAllAtomContainers(jchemPaintModel.getChemModel().getMoleculeSet()));
	}
	
	/**
	 *  Draws bonds, atoms; takes care of highlighting.
	 *
	 *@param  g  the Graphics object to paint to
	 */
	public void paint(Graphics g)
	{
	this.setBackground(jchemPaintModel.getRendererModel().getBackColor());
		if (jchemPaintModel == null) return;
		drawingNow = true;
		super.paint(g);
		Graphics2D g2d = (Graphics2D) g;
		Renderer2DModel model = jchemPaintModel.getRendererModel();
		if (model.getUseAntiAliasing())
		{
			g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
		}
		r2d.paintChemModel(jchemPaintModel.getChemModel(), g2d);
		drawingNow = false;
		if(!this.getPreferredSize().equals(oldPreferredSize)){
			oldPreferredSize=this.getPreferredSize();
			setSize(this.getPreferredSize());
		}
	}


	/**
	 *  Gets the preferredSize attribute of the JChemPaintPanel object
	 *
	 *@return    The preferredSize value
	 */
	public Dimension getPreferredSize()
	{
		if (jchemPaintModel == null) return new Dimension(794,1123);
		return jchemPaintModel.getRendererModel().getBackgroundDimension();
	}
}