Bug 66234 [projection] Revert file sometimes does not display the imports
I was able to recreate the scenario, I have a Java file in a Java project as /* * Created on Jun 8, 2004 * * TODO To change the template for this generated file go to * Window - Preferences - Java - Code Style - Code Templates */ package com; import java.net.URL; import java.util.Date; /** * @author admin * * TODO To change the template for this generated type comment go to * Window - Preferences - Java - Code Style - Code Templates */ public class Test { Date xyz; URL abc; } I open it in the editor, delete the keyword 'package' so that that line only says com. Now I right click on file and select 'Revert File'. Notice that the imports list disappears. This is in M9.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaEditor.java
Point minLocation= getMinimumLocation(text, offset, length);
			Point maxLocation= getMaximumLocation(text, offset, length);
	
			int x1= minLocation.x;
			int x2= minLocation.x + maxLocation.x - minLocation.x - 1;
			int y= minLocation.y + text.getLineHeight() - 1;
			
			GC gc= event.gc;
			if (fColor != null && !fColor.isDisposed())
			gc.setForeground(fColor);
			gc.drawLine(x1, y, x2, y);
		}
		private boolean includes(IRegion region, IRegion position) {
			return
				position.getOffset() >= region.getOffset() &&
				position.getOffset() + position.getLength() <= region.getOffset() + region.getLength();
		}
		private Point getMinimumLocation(StyledText text, int offset, int length) {
			Point minLocation= new Point(Integer.MAX_VALUE, Integer.MAX_VALUE);
	
			for (int i= 0; i <= length; i++) {
				Point location= text.getLocationAtOffset(offset + i);
				
				if (location.x < minLocation.x)
					minLocation.x= location.x;			
				if (location.y < minLocation.y)
					minLocation.y= location.y;			
			}