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/*
* $Id: Column.java,v 1.5 2003/03/07 07:58:51 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.layoutmgr.table;
import org.apache.fop.datatypes.Length;
import org.apache.fop.fo.FObj;
import org.apache.fop.fo.PropertyManager;
import org.apache.fop.layoutmgr.AbstractLayoutManager;
import org.apache.fop.layoutmgr.BreakPoss;
import org.apache.fop.layoutmgr.LayoutContext;
import org.apache.fop.layoutmgr.PositionIterator;
import org.apache.fop.layoutmgr.TraitSetter;
import org.apache.fop.fo.flow.TableColumn;
import org.apache.fop.area.Area;
import org.apache.fop.area.Block;
import org.apache.fop.fo.properties.CommonBorderAndPadding;
import org.apache.fop.fo.properties.CommonBackground;
/**
* LayoutManager for a table-column FO.
* The table creates an area for the table-column background, this class
* is used to do the area creation. This is used during the layout to handle
* column properties.
*/
public class Column extends AbstractLayoutManager {
private CommonBorderAndPadding borderProps = null;
private CommonBackground backgroundProps;
/**
* Create a new column layout manager.
*/
public Column() {
}
/**
* @see org.apache.fop.layoutmgr.LayoutManager#setFObj(FObj)
*/
public void setFObj(FObj fobj) {
super.setFObj(fobj);
}
/**
* @see org.apache.fop.layoutmgr.AbstractLayoutManager#initProperties(PropertyManager)
*/
protected void initProperties(PropertyManager propMgr) {
borderProps = propMgr.getBorderAndPadding();
backgroundProps = propMgr.getBackgroundProps();
}
/**
* Get the next break possibility.
* Columns do not create or return any areas.
*
* @param context the layout context
* @return the break possibility, always null
*/
public BreakPoss getNextBreakPoss(LayoutContext context) {
return null;
}
/**
* Add the areas.
* Although this adds no areas it is used to add the id
* reference of the table-column.
*
* @param parentIter the position iterator
* @param layoutContext the context
*/
public void addAreas(PositionIterator parentIter,
LayoutContext layoutContext) {
addID();
}
/**
* Get the parent area.
* This does nothing.
*
* @param childArea the child area
* @return always null
*/
public Area getParentArea(Area childArea) {
return null;
}
/**
* Get the width of this column.
*
* @return the width of the column
*/
public Length getWidth() {
return ((TableColumn)fobj).getColumnWidth();
}
/**
* Create a column area.
* This area has the background and width set.
* The Body manager will then set the offset of the column.
*
* @return the new column area
*/
public Area createColumnArea() {
Area curBlockArea = new Block();
if (backgroundProps != null) {
TraitSetter.addBackground(curBlockArea, backgroundProps);
}
return curBlockArea;
}
}
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