/*
* Copyright 2008-2014 by Emeric Vernat
*
* This file is part of Java Melody.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.bull.javamelody;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Cursor;
import java.awt.Rectangle;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.util.List;
import javax.swing.BorderFactory;
import javax.swing.BoxLayout;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import javax.swing.border.Border;
import net.bull.javamelody.MBeanNode.MBeanAttribute;
import net.bull.javamelody.swing.Utilities;
import net.bull.javamelody.swing.table.MDefaultTableCellRenderer;
import net.bull.javamelody.swing.table.MMultiLineTableCellRenderer;
import net.bull.javamelody.swing.table.MTable;
/**
* Panel des MBeanNode.
* @author Emeric Vernat
*/
class MBeanNodePanel extends JPanel {
static final Border LEFT_MARGIN_BORDER = BorderFactory.createEmptyBorder(0, 30, 0, 0);
private static final long serialVersionUID = 1L;
private static final Color FOREGROUND = Color.BLUE.darker();
private static final Cursor HAND_CURSOR = Cursor.getPredefinedCursor(Cursor.HAND_CURSOR);
private static final ImageIcon PLUS_ICON = ImageIconCache.getImageIcon("bullets/plus.png");
private static final ImageIcon MINUS_ICON = ImageIconCache.getImageIcon("bullets/minus.png");
private static final MMultiLineTableCellRenderer FORMATTED_VALUE_CELL_RENDERER = new MMultiLineTableCellRenderer();
private static final MDefaultTableCellRenderer DESCRIPTION_CELL_RENDERER = new MDefaultTableCellRenderer() {
private static final long serialVersionUID = 1L;
@Override
protected void setValue(Object value) {
if (value != null) {
super.setValue('(' + value.toString() + ')');
} else {
super.setValue(null);
}
}
};
private static final MouseListener LABEL_MOUSE_LISTENER = new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent event) {
final MBeanNodePanel nodePanel = (MBeanNodePanel) event.getComponent().getParent();
nodePanel.onClick();
}
};
private static final MouseListener TABLE_MOUSE_LISTENER = new MouseAdapter() {
@SuppressWarnings("unchecked")
@Override
public void mouseClicked(MouseEvent e) {
if (e.getClickCount() == 2) {
final MTable<MBeanAttribute> table = (MTable<MBeanAttribute>) e.getComponent();
final MBeanAttribute attribute = table.getSelectedObject();
Utilities
.showTextInPopup(table, attribute.getName(), attribute.getFormattedValue());
}
}
};
private final MBeanNode node;
private JLabel label;
private JPanel detailPanel;
MBeanNodePanel(MBeanNode node) {
super(new BorderLayout());
assert node != null;
this.node = node;
init();
}
private void init() {
setOpaque(false);
String name = node.getName();
final int indexOfComma = name.indexOf(',');
if (node.getChildren() != null || indexOfComma != -1) {
if (indexOfComma != -1) {
name = name.substring(indexOfComma + 1);
}
label = new JLabel(name);
if (node.getDescription() != null) {
label.setToolTipText("<html>" + name + "<br/>(" + node.getDescription() + ')');
}
label.setIcon(PLUS_ICON);
label.setForeground(FOREGROUND);
label.setCursor(HAND_CURSOR);
label.addMouseListener(LABEL_MOUSE_LISTENER);
add(label, BorderLayout.CENTER);
} else {
detailPanel = createAttributesPanel();
add(detailPanel, BorderLayout.CENTER);
}
}
void onClick() {
if (detailPanel == null) {
final List<MBeanNode> children = node.getChildren();
if (children != null) {
detailPanel = createNodeTreePanel(children);
} else {
detailPanel = createAttributesPanel();
}
detailPanel.setBorder(LEFT_MARGIN_BORDER);
detailPanel.setVisible(false);
add(detailPanel, BorderLayout.SOUTH);
}
detailPanel.setVisible(!detailPanel.isVisible());
if (detailPanel.isVisible()) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
scrollToVisible();
}
});
label.setIcon(MINUS_ICON);
} else {
label.setIcon(PLUS_ICON);
}
validate();
}
void expand() {
if (detailPanel == null || !detailPanel.isVisible()) {
onClick();
}
}
void collapse() {
if (label != null && detailPanel != null && detailPanel.isVisible()) {
onClick();
}
}
private JPanel createAttributesPanel() {
final List<MBeanAttribute> attributes = node.getAttributes();
boolean descriptionDisplayed = false;
for (final MBeanAttribute attribute : attributes) {
if (attribute.getDescription() != null) {
descriptionDisplayed = true;
break;
}
}
final JPanel attributesPanel = new JPanel(new BorderLayout());
attributesPanel.setOpaque(false);
if (node.getDescription() != null) {
final JLabel descriptionLabel = new JLabel('(' + node.getDescription() + ')');
attributesPanel.add(descriptionLabel, BorderLayout.NORTH);
}
final MTable<MBeanAttribute> table = new MTable<>();
table.addColumn("name", I18N.getString("Nom"));
table.addColumn("formattedValue", I18N.getString("Contenu"));
table.setColumnCellRenderer("formattedValue", FORMATTED_VALUE_CELL_RENDERER);
if (descriptionDisplayed) {
table.addColumn("description", "");
table.setColumnCellRenderer("description", DESCRIPTION_CELL_RENDERER);
}
table.setList(attributes);
table.addMouseListener(TABLE_MOUSE_LISTENER);
attributesPanel.add(table, BorderLayout.CENTER);
return attributesPanel;
}
void scrollToVisible() {
final Rectangle localBounds = SwingUtilities.getLocalBounds(MBeanNodePanel.this);
localBounds.grow(0, 15);
scrollRectToVisible(localBounds);
}
static JPanel createNodeTreePanel(List<MBeanNode> nodes) {
final JPanel nodeTreePanel = new JPanel();
nodeTreePanel.setOpaque(false);
nodeTreePanel.setLayout(new BoxLayout(nodeTreePanel, BoxLayout.Y_AXIS));
for (final MBeanNode node : nodes) {
nodeTreePanel.add(new MBeanNodePanel(node));
}
return nodeTreePanel;
}
}