package morepaste;

import java.awt.*;
import java.io.Serializable;
import javax.swing.ImageIcon;
import java.io.*;
import java.util.jar.*;
import java.util.Enumeration;
import morepaste.plugin.*;

/**
 * @version 1.0.1 2002-01-21
 * @author Takashi KOBAYASHI
 * @see morepaste.plugin.AbstractTabPanel
 */
public class SplashPanel extends AbstractTabPanel implements Serializable {
	private final String theTitle = "About...";
	private final boolean defVisible = true;
	private final boolean theVisibilityChangable = false;
	private final boolean theDropAcceptable = true;
	private final boolean theTabChangeEventAcceptable = false;
	private final boolean theBatchEnable = false;

	private final String dir = "morepaste";
	private final String imgfile = "MPSplash.jpg";
	private final String jarfile = "MorePaste.jar";

	private ImageIcon splash;

	public SplashPanel() {
		title = theTitle;
		tabVisible = defVisible;
		visibilityChangable = theVisibilityChangable;
		dropAcceptable = theDropAcceptable;
		tabChangeEventAcceptable = theTabChangeEventAcceptable;
		batchEnable = theBatchEnable;
		initSelected = true;

		// jarファイルからイメージデータを取り出す
		String sep = "/";
		String path = dir + sep + imgfile;
		File theFile = new File( jarfile );
		if( theFile.exists() ) {
			try{
			JarFile jFile = new JarFile( theFile );
			InputStream in = jFile.getInputStream( jFile.getEntry( path ) );

			ByteArrayOutputStream baos = new ByteArrayOutputStream();
			byte[] b = new byte[1024];
			int i;
			while( ( i = in.read( b ) ) != -1 )
				baos.write( b, 0, i );
			byte[] pix = baos.toByteArray();
			Image img = Toolkit.getDefaultToolkit().createImage( pix );
			splash = new ImageIcon( img );
			}
			catch( IOException e ){}
		}
		// イメージファイルからイメージを読み出す
		else {
			sep = System.getProperty( "file.separator" );
			path = "." + sep + dir + sep + imgfile;
			theFile = new File( path );
			if( theFile.exists() )
				splash = new ImageIcon( path );
		}
		if( splash == null )
			splash = new ImageIcon();
	}

	public String toString() {
		return title;
	}

	public String doCommand( String in ) {
		return in;
	}

	public void paint( Graphics g ) {
		splash.paintIcon(
			this,
			g,
			(this.getWidth() - splash.getImage().getWidth( this ))/2,
			(this.getHeight() - splash.getImage().getHeight( this ))/2
		);
	}

	public Dimension getPreferredSize() {
		return new Dimension(
			splash.getImage().getWidth( this ),
			splash.getImage().getHeight( this )
		);
	}
}