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/*
* Copyright 1999-2004 The Apache Software Foundation.
*
* Licensed 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.fo.pagination;
// Java
import java.awt.Rectangle;
import org.apache.fop.apps.FOPException;
import org.apache.fop.datatypes.FODimension;
import org.apache.fop.datatypes.Length;
import org.apache.fop.datatypes.Numeric;
import org.apache.fop.fo.FONode;
import org.apache.fop.fo.PropertyList;
import org.apache.fop.fo.properties.CommonMarginBlock;
/**
* The fo:region-body element.
*/
public class RegionBody extends Region {
// The value of properties relevant for fo:region-body.
private CommonMarginBlock commonMarginBlock;
private Numeric columnCount;
private Length columnGap;
// End of property values
/**
* @see org.apache.fop.fo.FONode#FONode(FONode)
*/
public RegionBody(FONode parent) {
super(parent);
}
/**
* @see org.apache.fop.fo.FObj#bind(PropertyList)
*/
public void bind(PropertyList pList) throws FOPException {
super.bind(pList);
commonMarginBlock = pList.getMarginBlockProps();
columnCount = pList.get(PR_COLUMN_COUNT).getNumeric();
columnGap = pList.get(PR_COLUMN_GAP).getLength();
if ((getColumnCount() > 1) && (getOverflow() == EN_SCROLL)) {
/* This is an error (See XSL Rec, fo:region-body description).
* The Rec allows for acting as if "1" is chosen in
* these cases, but we will need to be able to change Numeric
* values in order to do this.
*/
attributeError("If overflow property is set to \"scroll\"," +
" a column-count other than \"1\" may not be specified.");
}
}
/**
* Return the Common Margin Properties-Block.
*/
public CommonMarginBlock getCommonMarginBlock() {
return commonMarginBlock;
}
/**
* Return the "column-count" property.
*/
public int getColumnCount() {
return columnCount.getValue();
}
/**
* Return the "column-gap" property.
*/
public int getColumnGap() {
return columnGap.getValue();
}
/**
* @see org.apache.fop.fo.pagination.Region#getViewportRectangle(FODimension)
*/
public Rectangle getViewportRectangle (FODimension reldims) {
int left = commonMarginBlock.marginLeft.getValue();
int right = commonMarginBlock.marginRight.getValue();
int top = commonMarginBlock.marginTop.getValue();
int bottom = commonMarginBlock.marginBottom.getValue();
return new Rectangle(left, top,
reldims.ipd - left - right,
reldims.bpd - top - bottom);
}
/**
* @see org.apache.fop.fo.pagination.Region#getDefaultRegionName()
*/
protected String getDefaultRegionName() {
return "xsl-region-body";
}
/**
* @see org.apache.fop.fo.FObj#getName()
*/
public String getName() {
return "fo:region-body";
}
/**
* @see org.apache.fop.fo.FObj#getNameId()
*/
public int getNameId() {
return FO_REGION_BODY;
}
}
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