columndatesizer.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:   ColumnDateSizer.java

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

import java.text.SimpleDateFormat;
import java.util.Date;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.widgets.Display;
import org.gudy.azureus2.core3.config.COConfigurationManager;
import org.gudy.azureus2.core3.util.TimeFormatter;
import org.gudy.azureus2.plugins.ui.menus.MenuItem;
import org.gudy.azureus2.plugins.ui.menus.MenuItemListener;
import org.gudy.azureus2.plugins.ui.tables.*;
import org.gudy.azureus2.ui.swt.views.table.utils.CoreTableColumn;

public abstract class ColumnDateSizer extends CoreTableColumn
	implements TableCellRefreshListener
{

	private static int PADDING = 10;
	int curFormat;
	int maxWidthUsed[];
	Date maxWidthDate[];
	private boolean showTime;
	private boolean multiline;
	private static Font fontBold;

	public ColumnDateSizer(Class forDataSrouceType, String columnID, int width, String tableID)
	{
		super(forDataSrouceType, columnID, 2, width, tableID);
		curFormat = 0;
		maxWidthUsed = new int[TimeFormatter.DATEFORMATS_DESC.length];
		maxWidthDate = new Date[TimeFormatter.DATEFORMATS_DESC.length];
		showTime = true;
		multiline = true;
		TableContextMenuItem menuShowTime = addContextMenuItem("TableColumn.menu.date_added.time");
		menuShowTime.addListener(new MenuItemListener() {

			final ColumnDateSizer this$0;

			public void selected(MenuItem menu, Object target)
			{
				showTime = !showTime;
				setUserData("showTime", new Long(showTime ? 1L : 0L));
				maxWidthUsed = new int[TimeFormatter.DATEFORMATS_DESC.length];
				maxWidthDate = new Date[TimeFormatter.DATEFORMATS_DESC.length];
				curFormat = -1;
				recalcWidth(new Date());
				if (curFormat < 0)
					curFormat = TimeFormatter.DATEFORMATS_DESC.length - 1;
			}

			
			{
				this$0 = ColumnDateSizer.this;
				super();
			}
		});
	}

	public void postConfigLoad()
	{
		Object oShowTime = getUserData("showTime");
		if (oShowTime instanceof Number)
		{
			Number nShowTime = (Number)oShowTime;
			showTime = nShowTime.byteValue() == 1;
		} else
		{
			showTime = COConfigurationManager.getBooleanParameter("v3.Start Advanced");
		}
	}

	public final void refresh(TableCell cell)
	{
		refresh(cell, 0L);
	}

	public void refresh(TableCell cell, long timestamp)
	{
		if (!cell.setSortValue(timestamp) && cell.isValid())
			return;
		if (timestamp <= 0L)
			return;
		Date date = new Date(timestamp);
		if (curFormat >= 0)
		{
			if (multiline && cell.getHeight() < 20)
				multiline = false;
			String suffix = !showTime || multiline ? "" : " hh:mm a";
			int newWidth = calcWidth(date, (new StringBuilder()).append(TimeFormatter.DATEFORMATS_DESC[curFormat]).append(suffix).toString());
			if (newWidth > cell.getWidth() - PADDING)
			{
				if (newWidth > maxWidthUsed[curFormat])
				{
					maxWidthUsed[curFormat] = newWidth;
					maxWidthDate[curFormat] = date;
				}
				recalcWidth(date);
			}
			String s = (new StringBuilder()).append(TimeFormatter.DATEFORMATS_DESC[curFormat]).append(suffix).toString();
			SimpleDateFormat temp = new SimpleDateFormat((new StringBuilder()).append(s).append(!showTime || !multiline ? "" : "\nh:mm a").toString());
			cell.setText(temp.format(date));
		}
	}

	public void setWidth(int width)
	{
		int oldWidth = getWidth();
		super.setWidth(width);
		if (oldWidth == width)
			return;
		if (maxWidthDate != null)
		{
			if (maxWidthDate[curFormat] == null)
				maxWidthDate[curFormat] = new Date();
			recalcWidth(maxWidthDate[curFormat]);
		}
	}

	public void recalcWidth(Date date)
	{
		int idxFormat;
		Exception exception;
		String suffix = !showTime || multiline ? "" : " hh:mm a";
		int width = getWidth();
		if (maxWidthDate == null)
		{
			maxWidthUsed = new int[TimeFormatter.DATEFORMATS_DESC.length];
			maxWidthDate = new Date[TimeFormatter.DATEFORMATS_DESC.length];
		}
		idxFormat = TimeFormatter.DATEFORMATS_DESC.length - 1;
		GC gc = new GC(Display.getDefault());
		if (fontBold == null)
		{
			FontData fontData[] = gc.getFont().getFontData();
			for (int i = 0; i < fontData.length; i++)
			{
				FontData fd = fontData[i];
				fd.setStyle(1);
			}

			fontBold = new Font(gc.getDevice(), fontData);
		}
		gc.setFont(fontBold);
		try
		{
			Point minSize = new Point(0x1869f, 0);
			for (int i = 0; i < TimeFormatter.DATEFORMATS_DESC.length; i++)
			{
				if (maxWidthUsed[i] > width - PADDING)
					continue;
				SimpleDateFormat temp = new SimpleDateFormat((new StringBuilder()).append(TimeFormatter.DATEFORMATS_DESC[i]).append(suffix).toString());
				Point newSize = gc.stringExtent(temp.format(date));
				if (newSize.x < width - PADDING)
				{
					idxFormat = i;
					if (maxWidthUsed[i] < newSize.x)
					{
						maxWidthUsed[i] = newSize.x;
						maxWidthDate[i] = date;
					}
					break;
				}
				if (newSize.x < minSize.x)
				{
					minSize = newSize;
					idxFormat = i;
				}
			}

		}
		catch (Throwable t)
		{
			gc.dispose();
			return;
		}
		finally
		{
			gc.dispose();
		}
		gc.dispose();
		break MISSING_BLOCK_LABEL_341;
		throw exception;
		if (curFormat != idxFormat)
		{
			curFormat = idxFormat;
			invalidateCells();
		}
		return;
	}

	public int calcWidth(Date date, String format)
	{
		GC gc = new GC(Display.getDefault());
		if (fontBold == null)
		{
			FontData fontData[] = gc.getFont().getFontData();
			for (int i = 0; i < fontData.length; i++)
			{
				FontData fd = fontData[i];
				fd.setStyle(1);
			}

			fontBold = new Font(gc.getDevice(), fontData);
		}
		gc.setFont(fontBold);
		SimpleDateFormat temp = new SimpleDateFormat(format);
		Point newSize = gc.stringExtent(temp.format(date));
		gc.dispose();
		return newSize.x;
	}

	public boolean getShowTime()
	{
		return showTime;
	}

	public void setShowTime(boolean showTime)
	{
		this.showTime = showTime;
	}

	public boolean isMultiline()
	{
		return multiline;
	}

	public void setMultiline(boolean multiline)
	{
		this.multiline = multiline;
	}



}