/* * Copyright (c) 2006, 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 * or visit www.oracle.com if you need additional information or have any * questions. */ package sun.tools.jconsole; import java.awt.*;import java.awt.event.*; import javax.swing.*;import javax.swing.border.*; import static javax.swing.SwingConstants.*;import static sun.tools.jconsole.JConsole.*;import static sun.tools.jconsole.Resources.*;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,                              getText("OverviewPanel.plotter.accessibleName",                                      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("&nbsp;");                            } 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;    }}