TarTool example source code file (ArchivePanel.java)

This example TarTool source code file (ArchivePanel.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - TarTool tags/keywords

archive, archive, awt, border, decimalformat, dimension, event, file, file, gui, id, ioexception, ioexception, jbutton, name, open, string, string, swing, text

The TarTool ArchivePanel.java source code

/*
** This code has been placed into the Public Domain.
** This code was written by Timothy Gerard Endres in 1999.
** 
*/

package com.ice.tartool;

import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.util.zip.*;
import java.text.DecimalFormat;
import java.text.SimpleDateFormat;

import javax.swing.*;
import javax.swing.border.*;

import com.ice.tar.TarEntry;
import com.ice.tar.TarInputStream;
import com.ice.util.AWTUtilities;
import com.ice.util.UserProperties;


public
class		ArchivePanel
extends		JPanel
implements	ActionListener
	{
	private static final String		DIV_LOC_PROP = "archivePanel.divider.location";

	protected ArchiveTreePanel		treePan;
	protected JTextField			infoTitle;
	protected JTextArea				infoText;
	protected JToolBar				toolBar;
	protected JSplitPane			split;

	protected DecimalFormat			sizeFormat;
	protected DecimalFormat			sizeKFormat;
	protected SimpleDateFormat		modTimeFormat;
	protected String				fileDlgDir = null;


	public
	ArchivePanel()
		{
		super();

		this.setLayout( new BorderLayout() );

		this.toolBar = new JToolBar();
		this.toolBar.setFloatable( false );
		this.populateToolbar( this.toolBar );

		this.add( "North", toolBar );

		this.treePan = new ArchiveTreePanel();
		this.treePan.addActionListener( this );
		this.treePan.setMinimumSize( new Dimension( 25, 125 ) );
		this.treePan.setPreferredSize( new Dimension( 450, 300 ) );

		JPanel textPan = new JPanel();
		textPan.setLayout( new BorderLayout() );
		textPan.setBorder(
			new TitledBorder(
				new EtchedBorder( EtchedBorder.RAISED ), "Details" ) );

		this.infoTitle = new JTextField();
		this.infoTitle.setOpaque( false );
		this.infoTitle.setBorder( new EmptyBorder( 1, 0, 3, 0 ) );
		this.infoTitle.setFont( new Font( "SansSerif", Font.BOLD, 14 ) );
		textPan.add( "North", this.infoTitle );

		this.infoText = new JTextArea();
		this.infoText.setOpaque( false );
		this.infoText.setMinimumSize( new Dimension( 25, 50 ) );
		this.infoText.setPreferredSize( new Dimension( 450, 100 ) );
		this.infoText.setFont( new Font( "SansSerif", Font.PLAIN, 12 ) );
		textPan.add( "Center", this.infoText );

		this.split =
			new JSplitPane( JSplitPane.VERTICAL_SPLIT,
							true, this.treePan, textPan );

		this.add( "Center", this.split );

		this.modTimeFormat =
			new SimpleDateFormat( "MMM dd, yyyy 'at' hh:mm:ss a z" );

		this.sizeFormat =
			new DecimalFormat( "###,###,###,###" );

		this.sizeKFormat =
			new DecimalFormat( "###,###,###,###.0" );
		}

	protected void
	loadLayoutProps()
		{
		int loc = UserProperties.getProperty( DIV_LOC_PROP, -1 );
		if ( loc == -1 )
			{
			this.split.setDividerLocation( 0.75 );
			}
		else
			{
			this.split.setDividerLocation( loc );
			}
		}

	protected void
	saveLayoutProps()
		{
		int loc = this.split.getDividerLocation();
		UserProperties.setDynamicProperty
			( TarTool.CONFIG_MAIN, DIV_LOC_PROP, "" + loc );
		}

	public void
	adjustDividerLocation()
		{
		this.split.setDividerLocation( 0.8 );
		}

	public void
	openArchive( File archiveFile )
		throws IOException
		{
		this.treePan.openArchive( archiveFile );
		}

	public void
	actionPerformed( ActionEvent event )
		{
		String command = event.getActionCommand();

		if ( command.startsWith( "EXTRACT" ) )
			{
			this.treePan.actionPerformed( event );
			}
		else if ( command.equals( "NODE_SELECTED" ) )
			{
			ArchiveTreeNode ch = (ArchiveTreeNode) event.getSource();
			
			TarEntry entry = ch.getEntry();

			String modTimeStr =
				this.modTimeFormat.format( entry.getModTime() );

			StringBuffer info = new StringBuffer();

			if ( ch == this.treePan.getRootNode() )
				{
				this.infoTitle.setText( /*"Archive: " +*/ ch.getName() );

				String dirStr =
					this.sizeFormat.format( ch.getTotalDirectoryCount() );
				String fileStr =
					this.sizeFormat.format( ch.getTotalFileCount() );

				info.append( "Archive contains " + fileStr + " files.\n" );
				info.append( "Archive contains " + dirStr + " directories.\n" );
				}
			else if ( entry.isDirectory() )
				{
				this.infoTitle.setText( /*"Directory: " +*/ entry.getName() );

				info.append( "User  ID = " + entry.getUserId() + ", " );
				info.append( "Name = '" + entry.getUserName() + "'.\n" );

				info.append( "Group ID = " + entry.getGroupId() + ", " );
				info.append( "Name = '" + entry.getGroupName() + "'.\n" );

				String dirStr =
					this.sizeFormat.format( ch.getDirectoryCount() );
				String fileStr =
					this.sizeFormat.format( ch.getFileCount() );

				info.append
					( "Directory contains " + fileStr
						+ " files and " + dirStr + " directories.\n" );
				}
			else
				{
				this.infoTitle.setText( /*"File: " +*/ entry.getName() );

				info.append( "User  ID = " + entry.getUserId() + ", " );
				info.append( "Name = '" + entry.getUserName() + "'.\n" );

				info.append( "Group ID = " + entry.getGroupId() + ", " );
				info.append( "Name = '" + entry.getGroupName() + "'.\n" );

				String sizeByteStr =
					this.sizeFormat.format( entry.getSize() );

				String sizeKiloStr =
					this.sizeKFormat.format
						( ((double)entry.getSize()) / 1024.0 );

				info.append
					( "Size " + sizeByteStr
						+ " ( " + sizeKiloStr + "K ) bytes.\n" );
				}

			this.infoText.setText( info.toString() );
			}
		else if ( command.equals( "OPEN" ) )
			{
			File archiveFile = null;

			FileDialog dlg =
				new FileDialog(
					(Frame) this.getTopLevelAncestor(),
					"Open Tar Archive", FileDialog.LOAD );

			if ( this.fileDlgDir != null )
				dlg.setDirectory( this.fileDlgDir );

			dlg.show();

			String fileName = dlg.getFile();
			this.fileDlgDir = dlg.getDirectory();

			if ( fileName != null && this.fileDlgDir != null )
				{
				File f = new File( this.fileDlgDir, fileName );
				if ( f.exists() && f.isFile() && f.canRead() )
					{
					try {
						this.treePan.openArchive( f );
						}
					catch ( IOException ex )
						{
						ex.printStackTrace();
						// UNDONE
						}
					}
				}
			}
		else if ( command.equals( "CLOSE" ) )
			{
			try {
				this.infoText.setText( "" );
				this.infoTitle.setText( "" );
				this.treePan.closeArchive();
				}
			catch ( IOException ex )
				{
				ex.printStackTrace();
				}
			}
		else if ( command.equals( "EXTRACT" ) )
			{
			}
		else
			{
			System.err.println
				( "UNKNOWN Command '" + command + "'" );
			}
		}

	private void
	populateToolbar( JToolBar toolBar )
		{
		try {
			Image	iconImg;

			Image iOpen		= AWTUtilities.getImageResource
							( "/com/ice/tartool/images/open.gif" );
			Image iClose	= AWTUtilities.getImageResource
							( "/com/ice/tartool/images/close.gif" );
			Image iExtract	= AWTUtilities.getImageResource
							( "/com/ice/tartool/images/extract.gif" );


			Icon icon;
			JButton btn;

			icon = new ImageIcon( iOpen );
			btn = new JButton( icon );
			btn.addActionListener( this );
			btn.setActionCommand( "OPEN" );
			btn.setToolTipText( "Open Tar Archive" );
		
			toolBar.add( btn );

			toolBar.addSeparator();

			icon = new ImageIcon( iClose );
			btn = new JButton( icon );
			btn.addActionListener( this );
			btn.setActionCommand( "CLOSE" );
			btn.setToolTipText( "Close Archive" );
		
			toolBar.add( btn );

			toolBar.addSeparator();

			icon = new ImageIcon( iExtract );
			btn = new JButton( icon );
			btn.addActionListener( this );
			btn.setActionCommand( "EXTRACT" );
			btn.setToolTipText( "Extract Selected Files" );
		
			toolBar.add( btn );
			}
		catch ( IOException ex )
			{
			ex.printStackTrace();
			}
		}

	}