/*
 * $Id: FObjMixed.java,v 1.33 2003/03/05 21:48:01 jeremias Exp $
 * ============================================================================
 *                    The Apache Software License, Version 1.1
 * ============================================================================
 * 
 * Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modifica-
 * tion, are permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 
 * 3. The end-user documentation included with the redistribution, if any, must
 *    include the following acknowledgment: "This product includes software
 *    developed by the Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself, if
 *    and wherever such third-party acknowledgments normally appear.
 * 
 * 4. The names "FOP" and "Apache Software Foundation" must not be used to
 *    endorse or promote products derived from this software without prior
 *    written permission. For written permission, please contact
 *    apache@apache.org.
 * 
 * 5. Products derived from this software may not be called "Apache", nor may
 *    "Apache" appear in their name, without prior written permission of the
 *    Apache Software Foundation.
 * 
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
 * DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * ============================================================================
 * 
 * This software consists of voluntary contributions made by many individuals
 * on behalf of the Apache Software Foundation and was originally created by
 * James Tauber <jtauber@jtauber.com>. For more information on the Apache
 * Software Foundation, please see <http://www.apache.org/>.
 */ 
package org.apache.fop.fo;

import org.apache.fop.layout.FontInfo;
import org.apache.fop.apps.StructureHandler;
import org.apache.fop.layoutmgr.InlineStackingLayoutManager;
import org.apache.fop.layoutmgr.LMiter;

import java.util.List;

/**
 * base class for representation of mixed content formatting objects
 * and their processing
 */
public class FObjMixed extends FObj {
    protected TextInfo textInfo = null;
    protected FontInfo fontInfo = null;

    public FObjMixed(FONode parent) {
        super(parent);
    }

    public void setStructHandler(StructureHandler st) {
        super.setStructHandler(st);
        fontInfo = st.getFontInfo();
    }

    public void addLayoutManager(List lms) {
        if (children != null) {
            InlineStackingLayoutManager lm;
            lm = new InlineStackingLayoutManager();
            lm.setUserAgent(getUserAgent());
            lm.setFObj(this);
            lm.setLMiter(new LMiter(children.listIterator()));
            lms.add(lm);
        }
    }

    protected void addCharacters(char data[], int start, int length) {
        if (textInfo == null) {
        // Really only need one of these, but need to get fontInfo
        // stored in propMgr for later use.
        propMgr.setFontInfo(fontInfo);
        textInfo = propMgr.getTextLayoutProps(fontInfo);
        }

        FOText ft = new FOText(data, start, length, textInfo);
        ft.setUserAgent(userAgent);
        ft.setStructHandler(structHandler);
        addChild(ft);
    }

    public void setup() {
        if (this.properties != null) {
            setupID();
        }
    }

    public CharIterator charIterator() {
        return new RecursiveCharIterator(this);
    }

}