/* ====================================================================
   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.
==================================================================== */

package org.zkoss.poi.hwpf.usermodel;

import org.zkoss.poi.hwpf.HWPFOldDocument;
import org.zkoss.poi.hwpf.model.SEPX;

public final class Section extends Range
{
    private SectionProperties _props;

    public Section( SEPX sepx, Range parent )
    {
        super( Math.max( parent._start, sepx.getStart() ), Math.min(
                parent._end, sepx.getEnd() ), parent );

        // XXX: temporary workaround for old Word95 document
        if ( parent.getDocument() instanceof HWPFOldDocument )
            _props = new SectionProperties();
        else
            _props = sepx.getSectionProperties();
    }

    public Object clone() throws CloneNotSupportedException
    {
        Section s = (Section) super.clone();
        s._props = (SectionProperties) _props.clone();
        return s;
    }

    /**
     * @return distance to be maintained between columns, in twips. Used when
     *         {@link #isColumnsEvenlySpaced()} == true
     */
    public int getDistanceBetweenColumns()
    {
        return _props.getDxaColumns();
    }

    public int getMarginBottom()
    {
        return _props.getDyaBottom();
    }

    public int getMarginLeft()
    {
        return _props.getDxaLeft();
    }

    public int getMarginRight()
    {
        return _props.getDxaRight();
    }

    public int getMarginTop()
    {
        return _props.getDyaTop();
    }

    public int getNumColumns()
    {
        return _props.getCcolM1() + 1;
    }

    /**
     * @return page height (in twips) in current section. Default value is 15840
     *         twips
     */
    public int getPageHeight()
    {
        return _props.getYaPage();
    }

    /**
     * @return page width (in twips) in current section. Default value is 12240
     *         twips
     */
    public int getPageWidth()
    {
        return _props.getXaPage();
    }

    public boolean isColumnsEvenlySpaced()
    {
        return _props.getFEvenlySpaced();
    }

    @Override
    public String toString()
    {
        return "Section [" + getStartOffset() + "; " + getEndOffset() + ")";
    }

    public int type()
    {
        return TYPE_SECTION;
    }
}
