/** * 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; } } }