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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;
// XML
import org.xml.sax.Attributes;
// FOP
import org.apache.fop.datatypes.ColorType;
import org.apache.fop.datatypes.FODimension;
import org.apache.fop.fo.FONode;
import org.apache.fop.fo.FOTreeVisitor;
import org.apache.fop.fo.FObj;
import org.apache.fop.fo.PropertyList;
import org.apache.fop.fo.properties.CommonMarginBlock;
import org.apache.fop.fo.properties.Property;
import org.apache.fop.fo.FOPropertyMapping;
/**
* The fo:region-body element.
*/
public class RegionBody extends Region {
private ColorType backgroundColor;
/**
* @see org.apache.fop.fo.FONode#FONode(FONode)
*/
public RegionBody(FONode parent) {
super(parent, Region.BODY_CODE);
}
/**
* @see org.apache.fop.fo.pagination.Region#getViewportRectangle(FODimension)
*/
public Rectangle getViewportRectangle (FODimension reldims) {
/*
* Use space-before and space-after which will use corresponding
* absolute margin properties if specified. For indents:
* try to get corresponding absolute margin property using the
* writing-mode on the page (not on the region-body!). If that's not
* set but indent is explicitly set, it will return that.
*/
CommonMarginBlock mProps = propMgr.getMarginProps();
int start = getRelMargin(PropertyList.START, PR_START_INDENT);
Rectangle vpRect;
if (this.wm == WritingMode.LR_TB || this.wm == WritingMode.RL_TB) {
vpRect = new Rectangle(start, mProps.spaceBefore,
reldims.ipd - start
- getRelMargin(PropertyList.END, PR_END_INDENT),
reldims.bpd - mProps.spaceBefore - mProps.spaceAfter);
} else {
vpRect = new Rectangle(start, mProps.spaceBefore,
reldims.bpd - mProps.spaceBefore - mProps.spaceAfter,
reldims.ipd - start
- getRelMargin(PropertyList.END, PR_END_INDENT));
}
return vpRect;
}
/**
* Get the relative margin using parent's writing mode, not own
* writing mode.
*/
private int getRelMargin(int reldir, int relPropId) {
FObj parent = (FObj) getParent();
String sPropName = "margin-"
+ parent.getPropertyList().getAbsoluteWritingMode(reldir);
int propId = FOPropertyMapping.getPropertyId(sPropName);
Property prop = propertyList.getExplicitOrShorthand(propId);
if (prop == null) {
prop = propertyList.getExplicitOrShorthand(relPropId);
}
return ((prop != null) ? prop.getLength().getValue() : 0);
}
/**
* @see org.apache.fop.fo.pagination.Region#getDefaultRegionName()
*/
protected String getDefaultRegionName() {
return "xsl-region-body";
}
/**
* @see org.apache.fop.fo.pagination.Region#getRegionClassCode()
*/
public int getRegionClassCode() {
return Region.BODY_CODE;
}
/**
* This is a hook for an FOTreeVisitor subclass to be able to access
* this object.
* @param fotv the FOTreeVisitor subclass that can access this object.
* @see org.apache.fop.fo.FOTreeVisitor
*/
public void acceptVisitor(FOTreeVisitor fotv) {
fotv.serveRegionBody(this);
}
public String getName() {
return "fo:region-body";
}
}
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