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The source code// $Id: UMLListCellRenderer2.java,v 1.25 2004/09/13 19:21:23 mvw Exp $ // Copyright (c) 1996-2002 The Regents of the University of California. All // Rights Reserved. Permission to use, copy, modify, and distribute this // software and its documentation without fee, and without a written // agreement is hereby granted, provided that the above copyright notice // and this paragraph appear in all copies. This software program and // documentation are copyrighted by The Regents of the University of // California. The software program and documentation are supplied "AS // IS", without any accompanying services from The Regents. The Regents // does not warrant that the operation of the program will be // uninterrupted or error-free. The end-user understands that the program // was developed for research purposes and is advised not to rely // exclusively on the program for any reason. IN NO EVENT SHALL THE // UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, // SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, // ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF // THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF // SUCH DAMAGE. THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY // WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE // PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF // CALIFORNIA HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, // UPDATES, ENHANCEMENTS, OR MODIFICATIONS. // $Id: UMLListCellRenderer2.java,v 1.25 2004/09/13 19:21:23 mvw Exp $ package org.argouml.uml.ui; import org.argouml.model.ModelFacade; import java.awt.Component; import javax.swing.DefaultListCellRenderer; import javax.swing.JLabel; import javax.swing.JList; import javax.swing.UIManager; import org.apache.log4j.Logger; import org.argouml.application.helpers.ResourceLoaderWrapper; /** * The default cell renderer for uml model elements. Used by UMLList2 and its * children. * * This class must be efficient as it is called many 1000's of times. * * @author jaap.branderhorst@xs4all.nl * @since Jan 2, 2003 */ public class UMLListCellRenderer2 extends DefaultListCellRenderer { private static final Logger LOG = Logger.getLogger(UMLListCellRenderer2.class); /** * True if the icon for the modelelement should be shown. The icon is, for * instance, a small class symbol for a class. */ private boolean showIcon; /** * Constructor for UMLListCellRenderer2. * * @param showTheIcon true if the list should show icons */ public UMLListCellRenderer2(boolean showTheIcon) { // only need to this from super() updateUI(); setAlignmentX(LEFT_ALIGNMENT); showIcon = showTheIcon; } /** * @see javax.swing.ListCellRenderer#getListCellRendererComponent(javax.swing.JList, * java.lang.Object, int, boolean, boolean) */ public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) { LOG.debug("determine rendering for: " + value); LOG.debug("show icon: " + showIcon); if (ModelFacade.isABase(value) || ModelFacade.isAMultiplicity(value)) { LOG.debug("is a MBase or MMultiplicity"); String text = makeText(value); setText(text); if (showIcon) { // ----- setup similar to the super() implementation ----- setComponentOrientation(list.getComponentOrientation()); if (isSelected) { setForeground(list.getSelectionForeground()); setBackground(list.getSelectionBackground()); } else { setForeground(list.getForeground()); setBackground(list.getBackground()); } setEnabled(list.isEnabled()); setFont(list.getFont()); setBorder((cellHasFocus) ? UIManager .getBorder("List.focusCellHighlightBorder") : noFocusBorder); // -------------------------------------------------------- setIcon(ResourceLoaderWrapper.getInstance() .lookupIcon(value)); } else { // hack to make sure that the right hight is // applied when no icon is used. return super.getListCellRendererComponent(list, text, index, isSelected, cellHasFocus); } } else if (value instanceof String) { JLabel label = new JLabel(value.toString()); return label; } else if (value == null || value.equals("")) { JLabel label = new JLabel(" "); label.setIcon(null); return label; } return this; } /** * Makes the text that must be placed on the label that is returned. * If there is no name for the given modelelement, then * (anon xxx) is shown, with xxx the type name. * * @param value the given modelelement * @return String the text to be shown */ public String makeText(Object value) { String name = null; if (ModelFacade.isAModelElement(value)) { Object/* MModelElement */elem = value; name = ModelFacade.getName(elem); if (name == null || name.equals("")) { name = "(anon " + makeTypeName(elem) + ")"; } } else if (ModelFacade.isAMultiplicity(value)) { name = value.toString(); } else { name = makeTypeName(value); } return name; } private String makeTypeName(Object elem) { if (org.argouml.model.ModelFacade.isABase(elem)) { return ModelFacade.getUMLClassName(elem); } return null; } } |
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