From 810dfe11fb6d2b2b17d9829e4ef49de4dc1f5975 Mon Sep 17 00:00:00 2001
From: fotis <fotis@unknown>
Date: Fri, 17 Nov 2000 10:18:28 +0000
Subject: [PATCH] adds a warning for regions in flows which don't exist in the
 layout master set [Kelly Campbell]

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@193826 13f79535-47bb-0310-9956-ffa450edef68
---
 .../fop/fo/pagination/LayoutMasterSet.java       | 16 +++++++++++++++-
 .../apache/fop/fo/pagination/PageSequence.java   |  3 +++
 .../fop/fo/pagination/SimplePageMaster.java      | 15 ++++++++++++---
 3 files changed, 30 insertions(+), 4 deletions(-)

diff --git a/src/org/apache/fop/fo/pagination/LayoutMasterSet.java b/src/org/apache/fop/fo/pagination/LayoutMasterSet.java
index 89d32c8c5..a0bba54a6 100644
--- a/src/org/apache/fop/fo/pagination/LayoutMasterSet.java
+++ b/src/org/apache/fop/fo/pagination/LayoutMasterSet.java
@@ -164,7 +164,21 @@ public class LayoutMasterSet extends FObj {
 	}
     }
 	
-
+    /**
+     * 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;
+    }
 
 
 }
diff --git a/src/org/apache/fop/fo/pagination/PageSequence.java b/src/org/apache/fop/fo/pagination/PageSequence.java
index aac9a1ed9..ee7f0deeb 100644
--- a/src/org/apache/fop/fo/pagination/PageSequence.java
+++ b/src/org/apache/fop/fo/pagination/PageSequence.java
@@ -210,6 +210,9 @@ public class PageSequence extends FObj
 	if (_flowMap.containsKey(flow.getFlowName())) {
 	    throw new FOPException("flow-names must be unique within an fo:page-sequence");
 	}
+	if (!this.layoutMasterSet.regionNameExists(flow.getFlowName())) {
+	    MessageHandler.errorln("WARNING: region-name '"+flow.getFlowName()+"' doesn't exist in the layout-master-set.");
+	}
 	_flowMap.put(flow.getFlowName(), flow);
 
     }
diff --git a/src/org/apache/fop/fo/pagination/SimplePageMaster.java b/src/org/apache/fop/fo/pagination/SimplePageMaster.java
index a4bfeacde..71745c962 100644
--- a/src/org/apache/fop/fo/pagination/SimplePageMaster.java
+++ b/src/org/apache/fop/fo/pagination/SimplePageMaster.java
@@ -57,8 +57,7 @@ import org.apache.fop.fo.properties.*;
 import org.apache.fop.layout.PageMaster;
 import org.apache.fop.apps.FOPException;				   
 
-import java.util.Hashtable;
-
+import java.util.*;
 
 public class SimplePageMaster extends FObj {
 	
@@ -171,6 +170,16 @@ public class SimplePageMaster extends FObj {
 	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;
+	
+    }
     
 }
-- 
2.39.5