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DrillDownPanel.java

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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 * Copyright 1997-2007 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
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 * http://www.netbeans.org/cddl-gplv2.html
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package org.netbeans.lib.profiler.ui.cpu.statistics.drilldown;

import org.netbeans.lib.profiler.results.cpu.cct.nodes.RuntimeCPUCCTNode;
import org.netbeans.lib.profiler.results.cpu.marking.Mark;
import org.netbeans.lib.profiler.ui.charts.PieChart;
import org.netbeans.lib.profiler.ui.components.HTMLTextArea;
import org.netbeans.lib.profiler.ui.cpu.StatisticsPanel;
import org.netbeans.lib.profiler.ui.cpu.statistics.StatisticalModule;
import java.awt.BorderLayout;
import java.util.Iterator;
import java.util.List;
import javax.swing.event.HyperlinkEvent;
import javax.swing.event.HyperlinkListener;


/**
 *
 * @author Jaroslav Bachorik
 */
00060 public class DrillDownPanel extends StatisticalModule {
    //~ Instance fields ----------------------------------------------------------------------------------------------------------

    private DrillDownListener listener = new DrillDownListener() {
        public void dataChanged() {
        }

        public void drillDownPathChanged(List list) {
            updateCrumbNav();
        }
    };

    private HTMLTextArea crumbNav;
    private IDrillDown ddModel;
    private PieChart pieChart;
    private ProjectPieChartModel pieModel = null;
    private StatisticsPanel panel = null;
    private int lastNavigableCategory;

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

    /** Creates a new instance of DrillDownPanel */
00082     public DrillDownPanel(IDrillDown model) {
        ddModel = model;
        ddModel.addListener(listener);
        initComponents();
    }

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

    public void addSnippet(StatisticalModule component) {
        panel.addSnippet(component);
    }

    public void pause() {
        //    ddModel.pause();
    }

    public void refresh(RuntimeCPUCCTNode appNode) {
        // TODO
    }

    public void removeSnippet(StatisticalModule component) {
        panel.removeSnippet(component);
    }

    public void resume() {
        //    ddModel.resume();
    }

    private synchronized HTMLTextArea getCrumbNav() {
        if (crumbNav == null) {
            crumbNav = new HTMLTextArea();
            crumbNav.setOpaque(false);
            crumbNav.addHyperlinkListener(new HyperlinkListener() {
                    public void hyperlinkUpdate(HyperlinkEvent e) {
                        String query = e.getURL().getQuery();

                        if (e.getEventType() != HyperlinkEvent.EventType.ACTIVATED) {
                            return;
                        }

                        int index = e.getURL().getQuery().lastIndexOf('='); // NOI18N

                        if (index <= -1) {
                            return;
                        }

                        int catIndex = Integer.parseInt(query.substring(index + 1));
                        ddModel.drillup((Mark) ddModel.getDrillDownPath().get(catIndex));
                    }
                });
            updateCrumbNav();
        }

        return crumbNav;
    }

    private synchronized PieChart getPieChart() {
        if (pieChart == null) {
            pieChart = new PieChart();
            pieModel = new ProjectPieChartModel(ddModel);
            pieChart.setModel(pieModel);
        }

        return pieChart;
    }

    private void initComponents() {
        this.setLayout(new BorderLayout());
        panel = new StatisticsPanel(getCrumbNav(), getPieChart(),
                                    new Runnable() {
                public void run() {
                    navigateOneLevelBack();
                }
            });
        panel.addListener(new StatisticsPanel.Listener() {
                public void itemClicked(int itemIndex) {
                    pieModel.drilldown(itemIndex);
                }
            });
        add(panel, BorderLayout.CENTER);
    }

    private void navigateOneLevelBack() {
        if (lastNavigableCategory != -1) {
            ddModel.drillup((Mark) ddModel.getDrillDownPath().get(lastNavigableCategory));
        }
    }

    private synchronized void updateCrumbNav() {
        StringBuilder sb = new StringBuilder();
        int counter = 0;
        lastNavigableCategory = -1;

        for (Iterator it = ddModel.getDrillDownPath().iterator(); it.hasNext(); counter++) {
            final Mark mark = (Mark) it.next();

            if (it.hasNext()) {
                sb.append("<a href=\"http://localhost/category?id=").append(counter).append("\">").append(mark.description)
                  .append("</a>").append("/"); // NOI18N
                lastNavigableCategory = counter;
            } else {
                sb.append(mark.description);
            }

            crumbNav.setText(sb.toString());
        }
    }
}

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