Package org.knopflerfish.bundle.desktop.event

Source Code of org.knopflerfish.bundle.desktop.event.JDetail

/*
* Copyright (c) 2003-2010, KNOPFLERFISH project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
*   notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above
*   copyright notice, this list of conditions and the following
*   disclaimer in the documentation and/or other materials
*   provided with the distribution.
*
* - Neither the name of the KNOPFLERFISH project nor the names of its
*   contributors may be used to endorse or promote products derived
*   from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/

package org.knopflerfish.bundle.desktop.event;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JPanel;
import javax.swing.JLabel;
import javax.swing.JScrollPane;
import javax.swing.JTextPane;
import javax.swing.JToolBar;
import javax.swing.JViewport;
import javax.swing.SwingUtilities;

import org.osgi.service.event.Event;

public class JEventEntryDetail extends JPanel {
  Event entry;

  JEventTable table;

  JToolBar   cmdPanel;
 
  JButton  nextButton;
  JButton  prevButton;
  JButton  lastButton;
  JButton  firstButton;

  ImageIcon          arrowUpIcon;
  ImageIcon          arrowDownIcon;
  ImageIcon          arrowUp2Icon;
  ImageIcon          arrowDown2Icon;
  // ImageIcon          reloadIcon;

  JScrollPane scrollPane;

  JDetail  info;

  EventTableModel model;
 
  public JEventEntryDetail(JEventTable table, Event entry) {
    //    super(new Date(entry.getTime()).toString() + ": " + entry.getMessage());

    this.entry  = entry;
    this.table  = table;

    setLayout(new BorderLayout());

    arrowUpIcon    = new ImageIcon(getClass().getResource("/1uparrow.png"));
    arrowUp2Icon   = new ImageIcon(getClass().getResource("/2uparrow.png"));
    arrowDownIcon  = new ImageIcon(getClass().getResource("/1downarrow.png"));
    arrowDown2Icon = new ImageIcon(getClass().getResource("/2downarrow.png"));
    // reloadIcon     = new ImageIcon(getClass().getResource("/reload_green16.png"));   
    info = new JDetail(entry);

    scrollPane = new JScrollPane(info);
    //    contentPane.setPreferredSize(new Dimension(400, 200));

    cmdPanel = new JToolBar(JToolBar.VERTICAL);
    cmdPanel.setFloatable(false);

    nextButton = new JButton(arrowDownIcon) {  {
      setToolTipText("Next log entry");
      addActionListener(new ActionListener() {
    public void actionPerformed(ActionEvent ev) {
      showNext(1);
    }
  });
    }};
   
    prevButton = new JButton(arrowUpIcon) { {
      setToolTipText("Previous log entry");
      addActionListener(new ActionListener() {
    public void actionPerformed(ActionEvent ev) {
      showNext(-1);
    }
  });
    }};

    firstButton = new JButton(arrowUp2Icon) {  {
      setToolTipText("First log entry");
      addActionListener(new ActionListener() {
    public void actionPerformed(ActionEvent ev) {
      showFirst();
    }
  });
    }};
   
    lastButton = new JButton(arrowDown2Icon) {  {
      setToolTipText("Last log entry");
      addActionListener(new ActionListener() {
    public void actionPerformed(ActionEvent ev) {
      showLast();
    }
  });
    }};

    /*
    JButton reloadButton = new JButton(reloadIcon) {  {
      setToolTipText("Clear event list");
      addActionListener(new ActionListener() {
    public void actionPerformed(ActionEvent ev) {
            JEventEntryDetail.this.model.clear();
    }
  });
    }};
    */

    cmdPanel.add(firstButton);
    cmdPanel.add(prevButton);
    cmdPanel.add(nextButton);
    cmdPanel.add(lastButton);
    // cmdPanel.add(reloadButton);

    //    cmdPanel.add(reloadButton);

    add(scrollPane, BorderLayout.CENTER);
    add(cmdPanel,   BorderLayout.WEST);   

    syncUI();
  }

  public void setModel(EventTableModel model) {
    this.model = model;
  }

  synchronized public void setParentAndEntry(JEventTable table,
               Event entry) {
    this.table = table;
    setEntry(entry);
    syncUI();
  }

  synchronized public void setEntry( Event _entry) {
    this.entry = _entry;
   
    info.setEntry(entry);

    SwingUtilities.invokeLater(new Runnable() {
  public void run() {
    JViewport vp = scrollPane.getViewport();
    if(vp != null) {
      vp.setViewPosition(new Point(0,0));
      scrollPane.setViewport(vp);
    }
    if(table != null && model !=  null) {
      int row = model.getEntries().indexOf(entry);
      Rectangle r = table.getCellRect(row, 0, true);
      table.scrollRectToVisible(r);
      revalidate();
    }
  }
      });

  }


  void showNext(int delta) {
    if(entry != null && table != null) {
      Event e = table.getEventEntry(entry, delta);
      if(e != null) {
  setEntry(e);
 
  syncUI();
      }
    }
  }
 
  void showFirst() {
    if(entry != null && table != null) {
      try {
  java.util.List entries = table.model.getEntries();
  Event e = (Event)entries.get(0);
  if(e != null) {
    setEntry(e);
   
    syncUI();
  }
      } catch (Exception e) {
      }
    }
  }

  void showLast() {
    if(entry != null && table != null) {
      try {
  java.util.List entries = table.model.getEntries();
  Event e = (Event)entries.get(entries.size() - 1);
  if(e != null) {
    setEntry(e);
   
    syncUI();
  }
      } catch (Exception e) {
      }
    }
  }
 
  void syncUI() {
    if(entry != null && table != null) {
      Event prevE = table.getEventEntry(entry, -1);
      Event nextE = table.getEventEntry(entry, 1);
     
      prevButton.setEnabled(prevE != null);
     
      nextButton.setEnabled(nextE != null);
     
      table.setSelectedRowFromEntry(entry);
    } else {
      prevButton.setEnabled(false);
      nextButton.setEnabled(false);
    }
  }

  public void close() {
  }

}

class JDetail extends JTextPane {
  public JDetail(Event e) {
    super();
    setBackground(Color.white);
    setEditable(false);
    setContentType("text/html");

    setEntry(e);
  }

  void setEntry(Event e) {
    String s = "";
    if(e != null) {
      s = Util.toHTML(e);
      // String s = Util.toString(e);
    }
    super.setText(s);
  }
}
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