updated handling of repeating groupheaders

main/reportbuilder/java/com/sun/star/report/pentaho/model/OfficeMasterPage.java

@@ -59,4 +59,14 @@ public void setPageLayout(final String name)
     {
         setAttribute(OfficeNamespaces.STYLE_NS, "page-layout-name", name);
     }
+
+    public void setNextMasterPage(final String name)
+    {
+        setAttribute(OfficeNamespaces.STYLE_NS, "next-style-name", name);
+    }
+
+    public String getNextMasterPage()
+    {
+        return (String) getAttribute(OfficeNamespaces.STYLE_NS, "next-style-name");
+    }
 }

main/reportbuilder/java/com/sun/star/report/pentaho/output/OfficeDocumentReportTarget.java

@@ -741,10 +741,22 @@ protected GroupContext getGroupContext()
         return groupContext;
     }
 
+    protected void performStyleProcessingAll(final AttributeMap attrs)
+            throws ReportProcessingException
+    {
+        performStyleProcessingOne(attrs, globalStylesCollection);
+        performStyleProcessingOne(attrs, contentStylesCollection);
+    }
+
     protected void performStyleProcessing(final AttributeMap attrs)
             throws ReportProcessingException
     {
         final OfficeStylesCollection stylesCollection = getStylesCollection();
+        performStyleProcessingOne(attrs, stylesCollection);
+    }
+    protected void performStyleProcessingOne(final AttributeMap attrs, final OfficeStylesCollection stylesCollection)
+            throws ReportProcessingException
+    {
         final OfficeStylesCollection predefCollection = getPredefinedStylesCollection();
         final OfficeStylesCollection globalStylesCollection = getGlobalStylesCollection();
 

main/reportbuilder/java/com/sun/star/report/pentaho/output/text/PageContext.java

@@ -88,6 +88,9 @@ public Integer getColumnCount()
 
     public String getHeader()
     {
+        if(header==null) {
+            return "";
+        }
         return header;
     }
 
@@ -99,6 +102,9 @@ public void setHeader(final String header, final CSSNumericValue height)
 
     public String getFooter()
     {
+        if(footer==null) {
+            return "";
+        }
         return footer;
     }