src/java/org/apache/fop/layoutmgr/inline/BidiLayoutManager.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/* $Id$ */

package org.apache.fop.layoutmgr.inline;

import java.util.ArrayList;
import java.util.List;

import org.apache.fop.area.inline.InlineArea;
import org.apache.fop.fo.flow.BidiOverride;


/**
 * If this bidi has a different writing mode direction
 * ltr or rtl than its parent writing mode then this
 * reverses the inline areas (at the character level).
 */
public class BidiLayoutManager extends LeafNodeLayoutManager {

    private List children;

    /**
     * Construct bidi layout manager.
     * @param node bidi override FO
     * @param cLM parent layout manager
     */
    public BidiLayoutManager(BidiOverride node, InlineLayoutManager cLM) {
        super(node);
        setParent(cLM);
        children = new ArrayList();
/*
        for (int count = cLM.size() - 1; count >= 0; count--) {
            InlineArea ia = cLM.get(count);
            if (ia instanceof Word) {
                // reverse word
                Word word = (Word) ia;
                StringBuffer sb = new StringBuffer(word.getWord());
                word.setWord(sb.reverse().toString());
            }
            children.add(ia);
        }
*/
    }

    /** @return number of children */
    public int size() {
        return children.size();
    }

    /**
     * @param index of child inline area
     * @return a child inline area
     */
    public InlineArea get(int index) {
        return (InlineArea) children.get(index);
    }

}