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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;
- import org.xml.sax.Locator;
-
- // 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.FONode#validateChildNode(Locator, String, String)
- * XSL/FOP Content Model: empty
- */
- protected void validateChildNode(Locator loc, String nsURI, String localName) {
- invalidChildError(loc, nsURI, localName);
- }
-
- /**
- * @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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