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/*
* $Id$
* 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.fo.properties.*;
import org.apache.fop.apps.FOPException;
import org.apache.fop.layout.PageMaster;
// Java
import java.util.*;
public class LayoutMasterSet extends FObj {
public static class Maker extends FObj.Maker {
public FObj make(FObj parent,
PropertyList propertyList) throws FOPException {
return new LayoutMasterSet(parent, propertyList);
}
}
public static FObj.Maker maker() {
return new LayoutMasterSet.Maker();
}
private Hashtable simplePageMasters;
private Hashtable pageSequenceMasters;
private Hashtable allRegions;
private Root root;
protected LayoutMasterSet(FObj parent,
PropertyList propertyList) throws FOPException {
super(parent, propertyList);
this.name = "fo:layout-master-set";
this.simplePageMasters = new Hashtable();
this.pageSequenceMasters = new Hashtable();
if (parent.getName().equals("fo:root")) {
this.root = (Root)parent;
root.setLayoutMasterSet(this);
} else {
throw new FOPException("fo:layout-master-set must be child of fo:root, not "
+ parent.getName());
}
allRegions = new Hashtable();
}
protected void addSimplePageMaster(SimplePageMaster simplePageMaster)
throws FOPException {
// check against duplication of master-name
if (existsName(simplePageMaster.getMasterName()))
throw new FOPException("'master-name' ("
+ simplePageMaster.getMasterName()
+ ") must be unique "
+ "across page-masters and page-sequence-masters");
this.simplePageMasters.put(simplePageMaster.getMasterName(),
simplePageMaster);
}
protected SimplePageMaster getSimplePageMaster(String masterName) {
return (SimplePageMaster)this.simplePageMasters.get(masterName);
}
protected void addPageSequenceMaster(String masterName, PageSequenceMaster pageSequenceMaster)
throws FOPException {
// check against duplication of master-name
if (existsName(masterName))
throw new FOPException("'master-name' (" + masterName
+ ") must be unique "
+ "across page-masters and page-sequence-masters");
this.pageSequenceMasters.put(masterName, pageSequenceMaster);
}
protected PageSequenceMaster getPageSequenceMaster(String masterName) {
return (PageSequenceMaster)this.pageSequenceMasters.get(masterName);
}
private boolean existsName(String masterName) {
if (simplePageMasters.containsKey(masterName)
|| pageSequenceMasters.containsKey(masterName))
return true;
else
return false;
}
protected void resetPageMasters() {
for (Enumeration e = pageSequenceMasters.elements();
e.hasMoreElements(); ) {
((PageSequenceMaster)e.nextElement()).reset();
}
}
protected void checkRegionNames() throws FOPException {
// Section 7.33.15 check to see that if a region-name is a
// duplicate, that it maps to the same region-class.
for (Enumeration spm = simplePageMasters.elements();
spm.hasMoreElements(); ) {
SimplePageMaster simplePageMaster =
(SimplePageMaster)spm.nextElement();
Hashtable spmRegions = simplePageMaster.getRegions();
for (Enumeration e = spmRegions.elements();
e.hasMoreElements(); ) {
Region region = (Region)e.nextElement();
if (allRegions.containsKey(region.getRegionName())) {
String localClass =
(String)allRegions.get(region.getRegionName());
if (!localClass.equals(region.getRegionClass())) {
throw new FOPException("Duplicate region-names ("
+ region.getRegionName()
+ ") must map "
+ "to the same region-class ("
+ localClass + "!="
+ region.getRegionClass()
+ ")");
}
}
allRegions.put(region.getRegionName(),
region.getRegionClass());
}
}
}
/**
* Checks whether or not a region name exists in this master set
* @returns true when the region name specified has a region in this LayoutMasterSet
*/
protected boolean regionNameExists(String regionName) {
boolean result = false;
for (Enumeration e = simplePageMasters.elements();
e.hasMoreElements(); ) {
result =
((SimplePageMaster)e.nextElement()).regionNameExists(regionName);
if (result) {
return result;
}
}
return result;
}
}
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