Source code
/* $Id: UMLTreeCellRenderer.java 17881 2010-01-12 21:09:28Z linus $
*****************************************************************************
* Copyright (c) 2009 Contributors - see below
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* tfmorris
*****************************************************************************
*
* Some portions of this file was previously release using the BSD License:
*/
// Copyright (c) 1996-2008 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.
package org.argouml.uml.ui;
import java.awt.Component;
import javax.swing.Icon;
import javax.swing.JLabel;
import javax.swing.JTree;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeCellRenderer;
import org.argouml.application.helpers.ResourceLoaderWrapper;
import org.argouml.i18n.Translator;
import org.argouml.model.Model;
import org.argouml.uml.diagram.ui.UMLDiagram;
/**
* UMTreeCellRenderer determines how the entries in the Explorerpane
* and ToDoList will be represented graphically.<p>
*
* In particular it makes decisions about the icons to use,
* in order to display an Explorerpane artifact depending on the kind
* of object to be displayed.<p>
*
* This class must be efficient as it is called many 1000's of times.
*/
public class UMLTreeCellRenderer extends DefaultTreeCellRenderer {
// get localised strings once only
private static String name = Translator.localize("label.name");
private static String typeName = Translator.localize("label.type");
////////////////////////////////////////////////////////////////
// TreeCellRenderer implementation
/*
* @see javax.swing.tree.TreeCellRenderer#getTreeCellRendererComponent(
* javax.swing.JTree, java.lang.Object, boolean, boolean, boolean, int,
* boolean)
*/
@Override
public Component getTreeCellRendererComponent(
JTree tree,
Object value,
boolean sel,
boolean expanded,
boolean leaf,
int row,
boolean hasFocusParam) {
if (value instanceof DefaultMutableTreeNode) {
value = ((DefaultMutableTreeNode) value).getUserObject();
}
Component r =
super.getTreeCellRendererComponent(
tree,
value,
sel,
expanded,
leaf,
row,
hasFocusParam);
if (value != null && r instanceof JLabel) {
JLabel lab = (JLabel) r;
// setting the icon
Icon icon = ResourceLoaderWrapper.getInstance().lookupIcon(value);
if (icon != null) {
lab.setIcon(icon);
}
// setting the tooltip to type and name
String type = null;
if (Model.getFacade().isAModelElement(value)) {
type = Model.getFacade().getUMLClassName(value);
} else if (value instanceof UMLDiagram) {
type = ((UMLDiagram) value).getLabelName();
}
if (type != null) {
StringBuffer buf = new StringBuffer();
buf.append("<html>");
buf.append(name);
buf.append(' ');
buf.append(lab.getText());
buf.append("<br>");
buf.append(typeName);
buf.append(' ');
buf.append(type);
lab.setToolTipText(buf.toString());
} else {
lab.setToolTipText(lab.getText());
}
}
return r;
}
}