com.actelion.research.gui.JEditableChemistryView Maven / Gradle / Ivy

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Open Source Chemistry Library
There is a newer version: 2024.12.1
package com.actelion.research.gui;

import com.actelion.research.chem.AbstractDepictor;
import com.actelion.research.chem.DrawingObjectList;
import com.actelion.research.chem.ExtendedDepictor;
import com.actelion.research.chem.StereoMolecule;
import com.actelion.research.chem.reaction.Reaction;
import com.actelion.research.gui.hidpi.HiDPIHelper;

import java.awt.*;
import java.awt.event.MouseEvent;
import java.awt.geom.Rectangle2D;

public class JEditableChemistryView extends JChemistryView {
	private static final String EDIT_MESSAGE = "";
	private StereoMolecule[] mMolecules;
	private Reaction mReaction;
	private boolean mIsEditable;

	/**
	 * Creates a new JEditableChemistryView for showing & editing a reaction or molecule(s).
	 * This default implementation will support copy/paste and drag&drop.
	 * @param chemistryType one of the ExtendedDepictor.TYPE_... options
	 */
	public JEditableChemistryView(int chemistryType) {
		super(chemistryType);
		mIsEditable = true;
		}

	/**
	 * If chemistryType is
	 * @return all molecules
	 */
	public StereoMolecule[] getStructures() {
		return mMolecules;
	}

	public Reaction getReaction() {
		return mReaction;
		}

	@Override
	public void setContent(StereoMolecule[] mol) {
		setContent(mol, null);
		}

	@Override
	public void setContent(Reaction rxn) {
		setContent(rxn, null);
		}

	@Override
	public void setContent(StereoMolecule[] mol, DrawingObjectList drawingObjectList) {
		mMolecules = mol;
		super.setContent(mol, drawingObjectList);
		}

	@Override
	public void setContent(Reaction rxn, DrawingObjectList drawingObjectList) {
		mReaction = rxn;
		super.setContent(rxn, drawingObjectList);
		}

	public void setEditable(boolean b) {
		if (mIsEditable != b) {
			mIsEditable = b;
			}
		}

	@Override
	public void mouseClicked(MouseEvent e) {
		if (e.getClickCount() == 2 && isEnabled() && mIsEditable) {
			if (getChemistryType() == ExtendedDepictor.TYPE_REACTION)
				editReaction();
			else
				editMolecules();
			return;
			}

		super.mouseClicked(e);
		}

	@Override
	public void paintComponent(Graphics g) {
		Dimension theSize = getSize();
		Insets insets = getInsets();
		theSize.width -= insets.left + insets.right;
		theSize.height -= insets.top + insets.bottom;

		super.paintComponent(g);

		if (isEnabled() && mIsEditable && mReaction.isEmpty()) {
			g.setFont(g.getFont().deriveFont(Font.PLAIN, HiDPIHelper.scale(10)));
			FontMetrics metrics = g.getFontMetrics();
			Rectangle2D bounds = metrics.getStringBounds(EDIT_MESSAGE, g);
			g.drawString(EDIT_MESSAGE, (int)(insets.left+theSize.width-bounds.getWidth())/2,
					(insets.top+theSize.height-metrics.getHeight())/2+metrics.getAscent());
			}
		}

	@Override
	public boolean canDrop() {
		return mIsEditable && super.canDrop();
	}

	private void editReaction() {
		Component c = this;
		while (!(c instanceof Frame))
			c = c.getParent();
		JDrawDialog dialog = new JDrawDialog((Frame)c, new Reaction(mReaction), "Edit Reaction");
		dialog.setVisible(true);
		if (!dialog.isCancelled()) {
			Reaction newRxn = dialog.getReactionAndDrawings();

			// rescue catalysts, because the editor doesn't handle them
			if (newRxn != null) {
				for (int i=0; i