| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ui.forms.widgets; |
| |
| import org.eclipse.swt.widgets.Composite; |
| |
| /** |
| * Classes that extend abstract class Layout and implement |
| * this interface can take part in layout computation of |
| * the TableWrapLayout manager. The said layout uses |
| * alternative algorithm that computes columns before rows. |
| * It allows it to 'flow' wrapped text proportionally |
| * (similar to the way web browser render tables). Custom |
| * layout managers that implement this interface allow recursive |
| * reflow to be performed. |
| * @since 3.0 |
| * @see TableWrapLayout |
| */ |
| public interface ILayoutExtension { |
| /** |
| * Computes the minimum width of the parent. All widgets |
| * capable of word wrapping should return the width |
| * of the longest word that cannot be wrapped. |
| * @param parent |
| * @param changed |
| * @return |
| */ |
| public int computeMinimumWidth(Composite parent, boolean changed); |
| /** |
| * Computes the maximum width of the parent. All widgets |
| * capable of word wrapping should return the length |
| * of the entire text without wrapping. |
| * @param parent |
| * @param changed |
| * @return |
| */ |
| public int computeMaximumWidth(Composite parent, boolean changed); |
| } |
