Bug 9304 new class wizard: incorrect terminology used
1. new class wizard 2. press Add.. in interfaces 3. the dialog you see has a title 'Extended Interfaces Selection' this is incorrect - it should be 'Implemented Interfaces Selection' (this bug was pointed out on the wsad newsgroup)
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/TypePage.java
fSuperClassDialogField.doFillIntoGrid(composite, nColumns);
		LayoutUtil.setWidthHint(fSuperClassDialogField.getTextControl(null), getMaxFieldWidth());
	}
	/**
	 * Creates the controls for the superclass name field.
	 * @param composite The parent composite
	 * @param nColumns Number of columns to span
	 */			
	protected void createSuperInterfacesControls(Composite composite, int nColumns) {
		fSuperInterfacesDialogField.doFillIntoGrid(composite, nColumns);
		MGridData gd= (MGridData)fSuperInterfacesDialogField.getListControl(null).getLayoutData();
		if (fIsClass) {
			gd.heightHint= convertHeightInCharsToPixels(3);
		} else {
			gd.heightHint= convertHeightInCharsToPixels(6);
		}
		gd.grabExcessVerticalSpace= false;
		gd.widthHint= getMaxFieldWidth();
	}
	
	/**
	 * Sets the focus on the container if empty, elso on type name.
	 */		
	protected void setFocus() {
		fTypeNameDialogField.setFocus();
	}
				
	
	private class TypeFieldsAdapter implements IStringButtonAdapter, IDialogFieldListener, IListAdapter {