/*-- $Id: SimplePageMaster.java,v 1.11 2001/03/04 23:09:44 arved Exp $ --
*
* Copyright (C) 2001 The Apache Software Foundation. All rights reserved.
* For details on use and redistribution please refer to the
* LICENSE file included with these sources."
*/
package org.apache.fop.fo.pagination;
// FOP
import org.apache.fop.fo.*;
import org.apache.fop.messaging.MessageHandler;
import org.apache.fop.fo.properties.*;
import org.apache.fop.layout.PageMaster;
import org.apache.fop.layout.RegionArea;
import org.apache.fop.layout.BodyRegionArea;
import org.apache.fop.apps.FOPException;
import java.util.*;
public class SimplePageMaster extends FObj {
public static class Maker extends FObj.Maker {
public FObj make(FObj parent, PropertyList propertyList)
throws FOPException {
return new SimplePageMaster(parent, propertyList);
}
}
public static FObj.Maker maker() {
return new SimplePageMaster.Maker();
}
/** Page regions (regionClass, Region) */
private Hashtable _regions;
LayoutMasterSet layoutMasterSet;
PageMaster pageMaster;
String masterName;
// before and after data as required by start and end
boolean beforePrecedence;
int beforeHeight;
boolean afterPrecedence;
int afterHeight;
protected SimplePageMaster(FObj parent, PropertyList propertyList)
throws FOPException {
super(parent, propertyList);
this.name = "fo:simple-page-master";
if (parent.getName().equals("fo:layout-master-set")) {
this.layoutMasterSet = (LayoutMasterSet) parent;
masterName = this.properties.get("master-name").getString();
if (masterName == null) {
MessageHandler.errorln("WARNING: simple-page-master does not have "
+ "a master-name and so is being ignored");
} else {
this.layoutMasterSet.addSimplePageMaster(this);
}
} else {
throw new FOPException("fo:simple-page-master must be child "
+ "of fo:layout-master-set, not "
+ parent.getName());
}
_regions = new Hashtable();
}
protected void end() {
int pageWidth = this.properties.get("page-width").getLength().mvalue();
int pageHeight = this.properties.get("page-height").getLength().mvalue();
int marginTop = this.properties.get("margin-top").getLength().mvalue();
int marginBottom = this.properties.get("margin-bottom").getLength().mvalue();
int marginLeft = this.properties.get("margin-left").getLength().mvalue();
int marginRight = this.properties.get("margin-right").getLength().mvalue();
int contentRectangleXPosition = marginLeft;
int contentRectangleYPosition = pageHeight - marginTop;
int contentRectangleWidth = pageWidth - marginLeft - marginRight;
int contentRectangleHeight = pageHeight - marginTop - marginBottom;
this.pageMaster = new PageMaster(pageWidth, pageHeight);
if (getRegion(RegionBody.REGION_CLASS) != null) {
BodyRegionArea body =
(BodyRegionArea)getRegion(RegionBody.REGION_CLASS).makeRegionArea(contentRectangleXPosition,
contentRectangleYPosition,contentRectangleWidth,contentRectangleHeight);
this.pageMaster.addBody(body);
}
else {
MessageHandler.errorln("ERROR: simple-page-master must have a region of class "+RegionBody.REGION_CLASS);
}
if (getRegion(RegionBefore.REGION_CLASS) != null) {
RegionArea before =
getRegion(RegionBefore.REGION_CLASS).makeRegionArea(contentRectangleXPosition,
contentRectangleYPosition,contentRectangleWidth,contentRectangleHeight);
this.pageMaster.addBefore(before);
beforePrecedence = ((RegionBefore)getRegion(RegionBefore.REGION_CLASS)).getPrecedence();
beforeHeight = before.getHeight();
}
else {
beforePrecedence = false;
}
if (getRegion(RegionAfter.REGION_CLASS) != null) {
RegionArea after =
getRegion(RegionAfter.REGION_CLASS).makeRegionArea(contentRectangleXPosition,
contentRectangleYPosition,contentRectangleWidth,contentRectangleHeight);
this.pageMaster.addAfter(after);
afterPrecedence = ((RegionAfter)getRegion(RegionAfter.REGION_CLASS)).getPrecedence();
afterHeight = after.getHeight();
}
else {
afterPrecedence = false;
}
if (getRegion(RegionStart.REGION_CLASS) != null) {
RegionArea start =
((RegionStart)getRegion(RegionStart.REGION_CLASS)).makeRegionArea(
contentRectangleXPosition,
contentRectangleYPosition,contentRectangleWidth,contentRectangleHeight,
beforePrecedence, afterPrecedence, beforeHeight, afterHeight);
this.pageMaster.addStart(start);
}
if (getRegion(RegionEnd.REGION_CLASS) != null) {
RegionArea end =
((RegionEnd)getRegion(RegionEnd.REGION_CLASS)).makeRegionArea(
contentRectangleXPosition,
contentRectangleYPosition,contentRectangleWidth,contentRectangleHeight,
beforePrecedence, afterPrecedence, beforeHeight, afterHeight);
this.pageMaster.addEnd(end);
}
}
public PageMaster getPageMaster() {
return this.pageMaster;
}
public PageMaster getNextPageMaster() {
return this.pageMaster;
}
public String getMasterName()
{
return masterName;
}
protected void addRegion(Region region)
throws FOPException
{
if (_regions.containsKey(region.getRegionClass())) {
throw new FOPException("Only one region of class "+region.getRegionClass()
+" allowed within a simple-page-master.");
}
else {
_regions.put(region.getRegionClass(), region);
}
}
protected Region getRegion(String regionClass)
{
return (Region)_regions.get(regionClass);
}
protected Hashtable getRegions()
{
return _regions;
}
protected boolean regionNameExists(String regionName)
{
for (Enumeration regenum = _regions.elements(); regenum.hasMoreElements() ;) {
Region r = (Region)regenum.nextElement();
if (r.getRegionName().equals(regionName)) {
return true;
}
}
return false;
}
}