completionitem.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:   CompletionItem.java

package org.gudy.azureus2.ui.swt.views.tableitems.mytorrents;

import com.aelitis.azureus.ui.swt.imageloader.ImageLoader;
import com.aelitis.azureus.ui.swt.utils.ColorCache;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.swt.graphics.*;
import org.gudy.azureus2.core3.download.DownloadManager;
import org.gudy.azureus2.core3.download.DownloadManagerStats;
import org.gudy.azureus2.core3.util.DisplayFormatters;
import org.gudy.azureus2.plugins.download.DownloadTypeIncomplete;
import org.gudy.azureus2.plugins.ui.tables.*;
import org.gudy.azureus2.ui.swt.plugins.UISWTGraphic;
import org.gudy.azureus2.ui.swt.shells.GCStringPrinter;
import org.gudy.azureus2.ui.swt.views.table.TableCellSWT;
import org.gudy.azureus2.ui.swt.views.table.TableCellSWTPaintListener;
import org.gudy.azureus2.ui.swt.views.table.utils.CoreTableColumn;

public class CompletionItem extends CoreTableColumn
	implements TableCellAddedListener, TableCellRefreshListener, TableCellDisposeListener, TableCellSWTPaintListener
{

	public static final Class DATASOURCE_TYPE = org/gudy/azureus2/plugins/download/DownloadTypeIncomplete;
	private static final int borderWidth = 1;
	public static final String COLUMN_ID = "completion";
	private static Font fontText;
	private Map mapCellLastPercentDone;
	private int marginHeight;
	Color textColor;

	public CompletionItem(String sTableID)
	{
		this(sTableID, -1);
	}

	public void fillTableColumnInfo(TableColumnInfo info)
	{
		info.addCategories(new String[] {
			"progress"
		});
	}

	public CompletionItem(String sTableID, int marginHeight)
	{
		super(DATASOURCE_TYPE, "completion", 1, 150, sTableID);
		mapCellLastPercentDone = new HashMap();
		this.marginHeight = -1;
		this.marginHeight = marginHeight;
		initializeAsGraphic(-1, 150);
		setMinWidth(100);
	}

	public void cellAdded(TableCell cell)
	{
		if (marginHeight != -1)
			cell.setMarginHeight(marginHeight);
		else
			cell.setMarginHeight(2);
	}

	public void dispose(TableCell cell)
	{
		mapCellLastPercentDone.remove(cell);
		org.gudy.azureus2.plugins.ui.Graphic graphic = cell.getGraphic();
		if (graphic instanceof UISWTGraphic)
		{
			Image img = ((UISWTGraphic)graphic).getImage();
			if (img != null && !img.isDisposed())
				img.dispose();
		}
	}

	public void refresh(TableCell cell)
	{
		int percentDone = getPercentDone(cell);
		Integer intObj = (Integer)mapCellLastPercentDone.get(cell);
		int lastPercentDone = intObj != null ? intObj.intValue() : 0;
		if (!cell.setSortValue(percentDone) && cell.isValid() && lastPercentDone == percentDone)
			return;
		else
			return;
	}

	public void cellPaint(GC gcImage, TableCellSWT cell)
	{
		int percentDone = getPercentDone(cell);
		Rectangle bounds = cell.getBounds();
		int yOfs = (bounds.height - 13) / 2;
		int x1 = bounds.width - 1 - 2;
		int y1 = bounds.height - 3 - yOfs;
		if (x1 < 10 || y1 < 3)
			return;
		int textYofs = 0;
		if (y1 >= 28)
		{
			yOfs = 2;
			y1 = 16;
		}
		mapCellLastPercentDone.put(cell, new Integer(percentDone));
		ImageLoader imageLoader = ImageLoader.getInstance();
		Image imgEnd = imageLoader.getImage("dl_bar_end");
		Image img0 = imageLoader.getImage("dl_bar_0");
		Image img1 = imageLoader.getImage("dl_bar_1");
		if (!imgEnd.isDisposed())
		{
			gcImage.drawImage(imgEnd, bounds.x, bounds.y + yOfs);
			gcImage.drawImage(imgEnd, bounds.x + x1 + 1, bounds.y + yOfs);
		}
		int limit = (x1 * percentDone) / 1000;
		if (!img1.isDisposed() && limit > 0)
		{
			Rectangle imgBounds = img1.getBounds();
			gcImage.drawImage(img1, 0, 0, imgBounds.width, imgBounds.height, bounds.x + 1, bounds.y + yOfs, limit, imgBounds.height);
		}
		if (percentDone < 1000 && !img0.isDisposed())
		{
			Rectangle imgBounds = img0.getBounds();
			gcImage.drawImage(img0, 0, 0, imgBounds.width, imgBounds.height, bounds.x + limit + 1, bounds.y + yOfs, x1 - limit, imgBounds.height);
		}
		imageLoader.releaseImage("dl_bar_end");
		imageLoader.releaseImage("dl_bar_0");
		imageLoader.releaseImage("dl_bar_1");
		if (textColor == null)
			textColor = ColorCache.getColor(gcImage.getDevice(), "#005ACF");
		gcImage.setForeground(textColor);
		String sPercent = DisplayFormatters.formatPercentFromThousands(percentDone);
		GCStringPrinter.printString(gcImage, sPercent, new Rectangle(bounds.x + 4, bounds.y + yOfs, bounds.width - 4, 13), true, false, 0x1000000);
	}

	private int getPercentDone(TableCell cell)
	{
		DownloadManager dm = (DownloadManager)cell.getDataSource();
		if (dm == null)
			return 0;
		else
			return dm.getStats().getDownloadCompleted(true);
	}

}