Java example source code file (OverviewPanel.java)
The OverviewPanel.java Java example source code
/*
* Copyright (c) 2006, 2012, 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 sun.tools.jconsole;
import java.awt.*;
import javax.swing.*;
import static javax.swing.SwingConstants.*;
import static sun.tools.jconsole.JConsole.*;
import static sun.tools.jconsole.Utilities.*;
@SuppressWarnings("serial")
abstract class OverviewPanel extends PlotterPanel {
private static final Dimension PREFERRED_PLOTTER_SIZE = new Dimension(300, 200);
private static final Dimension MINIMUM_PLOTTER_SIZE = new Dimension(200, 150);
// This is the default view range for all the overview plotters
static final int VIEW_RANGE = -1; // Show all data
static Color PLOTTER_COLOR = IS_GTK ? new Color(231, 111, 80) : null;
private JLabel infoLabel;
public OverviewPanel(String title) {
this(title, null, null, null);
}
public OverviewPanel(String title, String plotterKey,
String plotterName, Plotter.Unit plotterUnit) {
super(title);
setLayout(new BorderLayout(0, 0));
if (plotterKey != null && plotterName != null) {
Plotter plotter = new Plotter();
plotter.setPreferredSize(PREFERRED_PLOTTER_SIZE);
plotter.setMinimumSize(MINIMUM_PLOTTER_SIZE);
plotter.setViewRange(VIEW_RANGE);
if (plotterUnit != null) {
plotter.setUnit(plotterUnit);
}
plotter.createSequence(plotterKey, plotterName, PLOTTER_COLOR, true);
setAccessibleName(plotter,
Resources.format(Messages.OVERVIEW_PANEL_PLOTTER_ACCESSIBLE_NAME,
title));
setPlotter(plotter);
}
}
public JLabel getInfoLabel() {
if (infoLabel == null) {
infoLabel = new JLabel("", CENTER) {
@Override
public void setText(String text) {
if (text.startsWith("<html>")) {
// Replace spaces with nbsp, except the
// last one of two or more (to allow wrapping)
StringBuilder buf = new StringBuilder();
char[] chars = text.toCharArray();
int n = chars.length;
for (int i = 0; i < n; i++) {
if (chars[i] == ' '
&& ((i < n-1 && chars[i+1] == ' ')
|| ((i == 0 || chars[i-1] != ' ')
&& (i == n-1 || chars[i+1] != ' ')))) {
buf.append(" ");
} else {
buf.append(chars[i]);
}
}
text = buf.toString();
}
super.setText(text);
}
};
if (IS_GTK) {
JPanel southPanel = new JPanel(new BorderLayout());
JSeparator separator = new JSeparator(JSeparator.HORIZONTAL);
southPanel.add(separator, BorderLayout.NORTH);
southPanel.add(infoLabel, BorderLayout.SOUTH);
add(southPanel, BorderLayout.SOUTH);
} else {
add(infoLabel, BorderLayout.SOUTH);
}
}
return infoLabel;
}
}
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