Bug 232048 [Viewers] binary incompatibility (adding public fields) reported against jface.viewers
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/CellEditor.java
Control control = getControl();
		if (control != null) {
			result.minimumWidth = control.computeSize(SWT.DEFAULT, SWT.DEFAULT,
					true).x;
		}
		return result;
	}
	/**
	 * Returns the input validator for this cell editor.
	 *
	 * @return the input validator, or <code>null</code> if none
	 */
	public ICellEditorValidator getValidator() {
		return validator;
	}
	/**
	 * Returns this cell editor's value provided that it has a valid one.
	 *
	 * @return the value of this cell editor, or <code>null</code> if the cell
	 *         editor does not contain a valid value
	 */
	public final Object getValue() {
		if (!valid) {
			return null;
		}
		return doGetValue();
	}
	/**
	 * Returns whether this cell editor is activated.
	 *