peerinfoview.java

java 文件下载器。可自定义

// Decompiled by Jad v1.5.8e2. Copyright 2001 Pavel Kouznetsov.
// Jad home page: http://kpdus.tripod.com/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi space 
// Source File Name:   PeerInfoView.java

package org.gudy.azureus2.ui.swt.views.peer;

import com.aelitis.azureus.core.peermanager.piecepicker.util.BitFlags;
import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.Locale;
import org.eclipse.swt.custom.ScrolledComposite;
import org.eclipse.swt.events.PaintEvent;
import org.eclipse.swt.events.PaintListener;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.*;
import org.gudy.azureus2.core3.config.COConfigurationManager;
import org.gudy.azureus2.core3.disk.DiskManager;
import org.gudy.azureus2.core3.disk.DiskManagerPiece;
import org.gudy.azureus2.core3.logging.*;
import org.gudy.azureus2.core3.peer.PEPeer;
import org.gudy.azureus2.core3.peer.PEPeerManager;
import org.gudy.azureus2.core3.util.*;
import org.gudy.azureus2.plugins.*;
import org.gudy.azureus2.plugins.utils.Utilities;
import org.gudy.azureus2.pluginsimpl.local.PluginInitializer;
import org.gudy.azureus2.ui.swt.components.Legend;
import org.gudy.azureus2.ui.swt.debug.ObfusticateImage;
import org.gudy.azureus2.ui.swt.debug.UIDebugGenerator;
import org.gudy.azureus2.ui.swt.mainwindow.Colors;
import org.gudy.azureus2.ui.swt.views.AbstractIView;

public class PeerInfoView extends AbstractIView
	implements ObfusticateImage
{

	private static final int BLOCK_FILLSIZE = 14;
	private static final int BLOCK_SPACING = 2;
	private static final int BLOCK_SIZE = 16;
	private static final int BLOCKCOLOR_AVAIL_HAVE = 0;
	private static final int BLOCKCOLOR_AVAIL_NOHAVE = 1;
	private static final int BLOCKCOLOR_NOAVAIL_HAVE = 2;
	private static final int BLOCKCOLOR_NOAVAIL_NOHAVE = 3;
	private static final int BLOCKCOLOR_TRANSFER = 4;
	private static final int BLOCKCOLOR_NEXT = 5;
	private static final int BLOCKCOLOR_AVAILCOUNT = 6;
	private Composite peerInfoComposite;
	private ScrolledComposite sc;
	protected Canvas peerInfoCanvas;
	private Color blockColors[];
	private Label topLabel;
	private Label imageLabel;
	private int graphicsUpdate;
	private int loopFactor;
	private PEPeer peer;
	private Plugin countryLocator;
	private String sCountryImagesDir;
	private Font font;
	Image img;

	public PeerInfoView()
	{
		graphicsUpdate = COConfigurationManager.getIntParameter("Graphics Update") * 2;
		loopFactor = 0;
		countryLocator = null;
		font = null;
		img = null;
		blockColors = (new Color[] {
			Colors.blues[9], Colors.blues[2], Colors.fadedGreen, Colors.white, Colors.red, Colors.fadedRed, Colors.black
		});
		try
		{
			PluginInterface pi = PluginInitializer.getDefaultInterface().getPluginManager().getPluginInterfaceByID("CountryLocator");
			if (pi != null)
			{
				countryLocator = pi.getPlugin();
				if (!pi.getPluginState().isOperational() || pi.getUtilities().compareVersions(pi.getPluginVersion(), "1.6") < 0)
					countryLocator = null;
				if (countryLocator != null)
					sCountryImagesDir = (String)countryLocator.getClass().getMethod("getImageLocation", new Class[] {
						Integer.TYPE
					}).invoke(countryLocator, new Object[] {
						new Integer(0)
					});
			}
		}
		catch (Throwable t) { }
	}

	public void dataSourceChanged(Object newDataSource)
	{
		if (newDataSource == null)
			peer = null;
		else
		if (newDataSource instanceof Object[])
			peer = (PEPeer)((Object[])(Object[])newDataSource)[0];
		else
			peer = (PEPeer)newDataSource;
		fillPeerInfoSection();
	}

	public String getData()
	{
		return "PeersView.BlockView.title";
	}

	public void initialize(Composite composite)
	{
		if (peerInfoComposite != null && !peerInfoComposite.isDisposed())
		{
			Logger.log(new LogEvent(LogIDs.GUI, 3, (new StringBuilder()).append("PeerInfoView already initialized! Stack: ").append(Debug.getStackTrace(true, false)).toString()));
			delete();
		}
		createPeerInfoPanel(composite);
	}

	private Composite createPeerInfoPanel(Composite parent)
	{
		peerInfoComposite = new Composite(parent, 0);
		GridLayout layout = new GridLayout();
		layout.numColumns = 2;
		layout.horizontalSpacing = 0;
		layout.verticalSpacing = 0;
		layout.marginHeight = 0;
		layout.marginWidth = 0;
		peerInfoComposite.setLayout(layout);
		GridData gridData = new GridData(4, 4, true, true);
		peerInfoComposite.setLayoutData(gridData);
		imageLabel = new Label(peerInfoComposite, 0);
		gridData = new GridData();
		if (countryLocator != null)
			gridData.widthHint = 28;
		imageLabel.setLayoutData(gridData);
		topLabel = new Label(peerInfoComposite, 0);
		gridData = new GridData(4, -1, false, false);
		topLabel.setLayoutData(gridData);
		sc = new ScrolledComposite(peerInfoComposite, 512);
		sc.setExpandHorizontal(true);
		sc.setExpandVertical(true);
		layout = new GridLayout();
		layout.horizontalSpacing = 0;
		layout.verticalSpacing = 0;
		layout.marginHeight = 0;
		layout.marginWidth = 0;
		sc.setLayout(layout);
		gridData = new GridData(4, 4, true, true, 2, 1);
		sc.setLayoutData(gridData);
		sc.getVerticalBar().setIncrement(16);
		peerInfoCanvas = new Canvas(sc, 0x140000);
		gridData = new GridData(4, -1, true, false);
		peerInfoCanvas.setLayoutData(gridData);
		peerInfoCanvas.addPaintListener(new PaintListener() {

			final PeerInfoView this$0;

			public void paintControl(PaintEvent e)
			{
				if (e.width <= 0 || e.height <= 0)
					return;
				try
				{
					Rectangle bounds = img != null ? img.getBounds() : null;
					if (bounds == null)
					{
						e.gc.fillRectangle(e.x, e.y, e.width, e.height);
					} else
					{
						if (e.x + e.width > bounds.width)
							e.gc.fillRectangle(bounds.width, e.y, ((e.x + e.width) - bounds.width) + 1, e.height);
						if (e.y + e.height > bounds.height)
							e.gc.fillRectangle(e.x, bounds.height, e.width, ((e.y + e.height) - bounds.height) + 1);
						int width = Math.min(e.width, bounds.width - e.x);
						int height = Math.min(e.height, bounds.height - e.y);
						e.gc.drawImage(img, e.x, e.y, width, height, e.x, e.y, width, height);
					}
				}
				catch (Exception ex) { }
			}

			
			{
				this$0 = PeerInfoView.this;
				super();
			}
		});
		Listener doNothingListener = new Listener() {

			final PeerInfoView this$0;

			public void handleEvent(Event event1)
			{
			}

			
			{
				this$0 = PeerInfoView.this;
				super();
			}
		};
		peerInfoCanvas.addListener(1, doNothingListener);
		peerInfoCanvas.addListener(11, new Listener() {

			final PeerInfoView this$0;

			public void handleEvent(Event e)
			{
				e.widget.getDisplay().asyncExec(new AERunnable() {

					final 3 this$1;

					public void runSupport()
					{
						if (img != null)
						{
							int iOldColCount = img.getBounds().width / 16;
							int iNewColCount = peerInfoCanvas.getClientArea().width / 16;
							if (iOldColCount != iNewColCount)
								refreshInfoCanvas();
						}
					}

					
					{
						this$1 = 3.this;
						super();
					}
				});
			}

			
			{
				this$0 = PeerInfoView.this;
				super();
			}
		});
		sc.setContent(peerInfoCanvas);
		Legend.createLegendComposite(peerInfoComposite, blockColors, new String[] {
			"PeersView.BlockView.Avail.Have", "PeersView.BlockView.Avail.NoHave", "PeersView.BlockView.NoAvail.Have", "PeersView.BlockView.NoAvail.NoHave", "PeersView.BlockView.Transfer", "PeersView.BlockView.NextRequest", "PeersView.BlockView.AvailCount"
		}, new GridData(4, -1, true, false, 2, 1));
		int iFontPixelsHeight = 10;
		int iFontPointHeight = (iFontPixelsHeight * 72) / peerInfoCanvas.getDisplay().getDPI().y;
		Font f = peerInfoCanvas.getFont();
		FontData fontData[] = f.getFontData();
		fontData[0].setHeight(iFontPointHeight);
		font = new Font(peerInfoCanvas.getDisplay(), fontData);
		return peerInfoComposite;
	}

	public void fillPeerInfoSection()
	{
		if (imageLabel.getImage() != null)
		{
			Image image = imageLabel.getImage();
			imageLabel.setImage(null);
			image.dispose();
		}
		if (peer == null)
		{