LayoutUtil.setWidthHint(fPackageSelection.getTextControl(null), converter.convertWidthInCharsToPixels(60));
	public void createControl(Composite parent, int nOfColumns, int textWidth) {		fShell= parent.getShell();		fSourceFolderSelection.doFillIntoGrid(parent, nOfColumns, textWidth);		fPackageSelection.doFillIntoGrid(parent, nOfColumns, textWidth);	}