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ResultsPanel.java

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 1997-2009 Sun Microsystems, Inc. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common
 * Development and Distribution License("CDDL") (collectively, the
 * "License"). You may not use this file except in compliance with the
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 * http://www.netbeans.org/cddl-gplv2.html
 * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
 * specific language governing permissions and limitations under the
 * License.  When distributing the software, include this License Header
 * Notice in each file and include the License file at
 * nbbuild/licenses/CDDL-GPL-2-CP.  Sun designates this
 * particular file as subject to the "Classpath" exception as provided
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 *
 * If you wish your version of this file to be governed by only the CDDL
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 * "[Contributor] elects to include this software in this distribution
 * under the [CDDL or GPL Version 2] license." If you do not indicate a
 * single choice of license, a recipient has the option to distribute
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package org.netbeans.lib.profiler.ui;

import java.awt.*;
import java.awt.event.InputEvent;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.text.NumberFormat;
import java.util.ResourceBundle;
import javax.swing.*;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;


/**
 * The very base functionality common for various types of results displays.
 *
 * @author Ian Formanek
 * @author Misha Dmitriev
 * @author Jiri Sedlacek
 */
00063 public abstract class ResultsPanel extends JPanel {
    //~ Static fields/initializers -----------------------------------------------------------------------------------------------

    // -----
    // I18N String constants
    private static final ResourceBundle messages = ResourceBundle.getBundle("org.netbeans.lib.profiler.ui.Bundle"); // NOI18N
    private static final String CORNER_BUTTON_TOOLTIP = messages.getString("ResultsPanel_CornerButtonToolTip"); // NOI18N
                                                                                                                // -----

    //~ Instance fields ----------------------------------------------------------------------------------------------------------

    protected NumberFormat intFormat;
    protected NumberFormat percentFormat;
    private boolean internalCornerButtonClick = false; // flag for closing columns popup by pressing cornerButton

    //~ Constructors -------------------------------------------------------------------------------------------------------------

    public ResultsPanel() {
        setLayout(new BorderLayout());

        intFormat = NumberFormat.getIntegerInstance();
        intFormat.setGroupingUsed(true);

        percentFormat = NumberFormat.getPercentInstance();
        percentFormat.setMaximumFractionDigits(1);
        percentFormat.setMinimumFractionDigits(0);
    }

    //~ Methods ------------------------------------------------------------------------------------------------------------------

    /** Generate the data that can then be presented in this panel */
    public abstract void prepareResults();

    protected JButton createHeaderPopupCornerButton(final JPopupMenu headerPopup) {
        final JButton cornerButton = new JButton(new ImageIcon(getClass()
                                                                   .getResource("/org/netbeans/lib/profiler/ui/resources/hideColumn.png"))); // NOI18N
        cornerButton.setToolTipText(CORNER_BUTTON_TOOLTIP);
        cornerButton.setDefaultCapable(false);

        if (UIUtils.isWindowsClassicLookAndFeel()) {
            cornerButton.setMargin(new Insets(0, 0, 2, 2));
        } else if (UIUtils.isWindowsXPLookAndFeel()) {
            cornerButton.setMargin(new Insets(0, 0, 0, 1));
        } else if (UIUtils.isMetalLookAndFeel()) {
            cornerButton.setMargin(new Insets(0, 0, 2, 1));
        }

        cornerButton.addKeyListener(new KeyAdapter() {
                public void keyPressed(final KeyEvent evt) {
                    if (evt.getKeyCode() == KeyEvent.VK_SPACE) {
                        showColumnSelectionPopup(headerPopup, cornerButton);
                    }
                }
            });

        cornerButton.addMouseListener(new MouseAdapter() {
                public void mousePressed(MouseEvent mouseEvent) {
                    if (headerPopup.isVisible()) {
                        internalCornerButtonClick = true;
                        cornerButton.getModel().setArmed(false);
                    } else {
                        internalCornerButtonClick = false;

                        if (mouseEvent.getModifiers() == InputEvent.BUTTON3_MASK) {
                            showColumnSelectionPopup(headerPopup, cornerButton);
                        }
                    }
                }

                public void mouseClicked(MouseEvent mouseEvent) {
                    if ((mouseEvent.getModifiers() == InputEvent.BUTTON1_MASK) && (!internalCornerButtonClick)) {
                        showColumnSelectionPopup(headerPopup, cornerButton);
                    }
                }
            });

        return cornerButton;
    }

    /**
     * Creates instance of JScrollPane and adds it to the BorderLayout.CENTER of the ResultsPanel.
     */
00145     protected JScrollPane createScrollPane() {
        JScrollPane jScrollPane = new JScrollPane();
        add(jScrollPane, BorderLayout.CENTER);

        return jScrollPane;
    }

    /**
     * Creates instance of JScrollPane and adds it to the BorderLayout.CENTER of the ResultsPanel.
     * Sets ScrollBar policies JScrollPane.VERTICAL_SCROLLBAR_ALWAYS and JScrollPane.HORIZONTAL_SCROLLBAR_NEVER
     * and enables vertical ScrollBar only if needed.
     */
00157     protected JScrollPane createScrollPaneVerticalScrollBarAlways() {
        final JScrollPane jScrollPane = createScrollPane();
        jScrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
        jScrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
        // Enable vertical scrollbar only if needed
        jScrollPane.getVerticalScrollBar().getModel().addChangeListener(new ChangeListener() {
                public void stateChanged(ChangeEvent e) {
                    if (jScrollPane.getVerticalScrollBar().getModel().getExtent() == jScrollPane.getVerticalScrollBar().getModel()
                                                                                                    .getMaximum()) {
                        jScrollPane.getVerticalScrollBar().setEnabled(false);
                    } else {
                        jScrollPane.getVerticalScrollBar().setEnabled(true);
                    }
                }
            });

        return jScrollPane;
    }

    protected abstract void initColumnSelectorItems();

    private void showColumnSelectionPopup(final JPopupMenu headerPopup, final JButton cornerButton) {
        initColumnSelectorItems();
        headerPopup.show(cornerButton, cornerButton.getWidth() - headerPopup.getPreferredSize().width, cornerButton.getHeight());
    }
}

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