/*
* Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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 General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package com.sun.tools.visualvm.modules.tracer.impl.swing;
import java.awt.Component;
import java.text.NumberFormat;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.ListCellRenderer;
import javax.swing.SwingConstants;
import javax.swing.event.PopupMenuEvent;
import javax.swing.event.PopupMenuListener;
/**
*
* @author Jiri Sedlacek
*/
public abstract class CustomComboRenderer implements ListCellRenderer {
private final JComboBox combo;
private final ListCellRenderer renderer;
private final JLabel rendererL;
private CustomComboRenderer(JComboBox combo) {
this.combo = combo;
renderer = combo.getRenderer();
if (renderer instanceof JLabel) rendererL = (JLabel)renderer;
else rendererL = null;
this.combo.addPopupMenuListener(new PopupMenuListener() {
public void popupMenuWillBecomeVisible(PopupMenuEvent e) { repaint(); }
public void popupMenuWillBecomeInvisible(PopupMenuEvent e) { repaint(); }
public void popupMenuCanceled(PopupMenuEvent e) { repaint(); }
private void repaint() { CustomComboRenderer.this.combo.repaint(); }
});
}
protected void setupRenderer(ListCellRenderer renderer, boolean popupVisible) {}
protected void setupRenderer(JLabel renderer, boolean popupVisible) {}
public abstract java.lang.String value(Object value);
public Component getListCellRendererComponent(JList list, Object value,
int index, boolean isSelected,
boolean cellHasFocus) {
if (rendererL != null) setupRenderer(rendererL, combo.isPopupVisible());
else setupRenderer(renderer, combo.isPopupVisible());
return renderer.getListCellRendererComponent(list, value(value), index,
isSelected, cellHasFocus);
}
public static final class String extends CustomComboRenderer {
public String(JComboBox combo) {
super(combo);
}
public java.lang.String value(Object value) {
return value == null ? "null" : value.toString(); // NOI18N
}
}
public static final class Boolean extends CustomComboRenderer {
public Boolean(JComboBox combo) {
super(combo);
}
public java.lang.String value(Object value) {
if (java.lang.Boolean.TRUE.equals(value)) return "enabled";
if (java.lang.Boolean.FALSE.equals(value)) return "disabled";
return "default";
}
}
public static final class Number extends CustomComboRenderer {
private final java.lang.String units;
private final boolean lAlign;
public Number(JComboBox combo, java.lang.String units, boolean lAlign) {
super(combo);
this.units = units;
this.lAlign = lAlign;
}
protected void setupRenderer(JLabel renderer, boolean popupVisible) {
if (popupVisible || !lAlign) renderer.setHorizontalAlignment(SwingConstants.TRAILING);
else renderer.setHorizontalAlignment(SwingConstants.LEADING);
}
public java.lang.String value(Object value) {
java.lang.String sunits = units == null ? "" : " " + units;
return Integer.valueOf(-1).equals(value) ? "default" :
NumberFormat.getInstance().format(value) + sunits;
}
}
}