/**
* Copyright (C) 2001-2017 by RapidMiner and the contributors
*
* Complete list of developers available at our web site:
*
* http://rapidminer.com
*
* This program is free software: you can redistribute it and/or modify it under the terms of the
* GNU Affero General Public License as published by the Free Software Foundation, either version 3
* of the License, or (at your option) any later version.
*
* 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
* Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License along with this program.
* If not, see http://www.gnu.org/licenses/.
*/
package com.rapidminer.gui.tools;
import java.awt.Dimension;
import java.awt.event.MouseEvent;
import javax.swing.JList;
/**
* Extended JList which provides tool tips in combination with an {@link ExtendedListModel}.
*
* @author Tobias Malbrecht, Ingo Mierswa
*/
public class ExtendedJList<E> extends JList<E> {
public static final long serialVersionUID = 9032182018402L;
private int preferredWidth = -1;
public ExtendedJList(ExtendedListModel<E> model) {
this(model, -1);
}
public ExtendedJList(ExtendedListModel<E> model, int preferredWidth) {
super(model);
this.setCellRenderer(new ExtendedListCellRenderer(model));
this.preferredWidth = preferredWidth;
}
/** Returns the tooltip of a list entry. */
@Override
public String getToolTipText(MouseEvent e) {
int index = locationToIndex(e.getPoint());
return ((ExtendedListModel<?>) getModel()).getToolTip(index);
}
@Override
public Dimension getPreferredSize() {
Dimension dim = super.getPreferredSize();
if (this.preferredWidth != -1) {
if (preferredWidth < dim.getWidth()) {
return new Dimension(preferredWidth, (int) dim.getHeight());
} else {
return dim;
}
} else {
return dim;
}
}
}