/*******************************************************************************
 * Copyright (c) 2000, 2005 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 * Port to the D programming language:
 *     Frank Benoit <benoit@tionex.de>
 *******************************************************************************/
module dwtx.draw2d.text.CompositeBox;

import dwt.dwthelper.utils;
import dwtx.draw2d.text.FlowBox;

/**
 * A FlowBox that can contain other FlowBoxes. The contained FlowBoxes are called
 * <i>fragments</i>.
 * @author hudsonr
 * @since 2.1
 */
public abstract class CompositeBox
    : FlowBox
{

int recommendedWidth = -1;

/**
 * Adds the given box and updates properties of this composite box.
 * @param box the child being added
 */
public abstract void add(FlowBox box);


abstract int getBottomMargin();

/**
 * Returns the recommended width for this CompositeBox.
 * @return the recommended width
 */
public int getRecommendedWidth() {
    return recommendedWidth;
}

abstract int getTopMargin();

/**
 * Sets the recommended width for this CompositeBox.
 * @param w the width
 */
public void setRecommendedWidth(int w) {
    recommendedWidth = w;
}

/**
 * Positions the box vertically by setting the y coordinate for the top of the content of
 * the line. For internal use only.
 * @param top the y coordinate
 * @since 3.1
 */
public abstract void setLineTop(int top);

}