--- OSAS/OSA_system/OSAS_metadata.py	2004/04/08 16:50:01	1.6
+++ OSAS/OSA_system/OSAS_metadata.py	2004/05/26 08:08:57	1.9
@@ -46,14 +46,42 @@ class OSAS_MetadataMapping(SimpleItem):
         {'label':'Main Config','action':'change_OSAS_MappingForm'},
         )
 
+
+    def showSetXML(self,RESPONSE=None):
+        """prints out the mapping as XML"""
+        ret="""<set name="%s">"""%self.title
+        for fieldName in self.readFieldsFromParent():
+            entry=getattr(self,"md_"+fieldName)
+            if entry[2]=="": # no explanation of this field
+                ret+="""<entry genericName="%s" tag="%s" label="%s"/>"""%(fieldName,entry[0],entry[1])
+            else:
+                ret+="""<entry genericName="%s" tag="%s" label="%s">%s</entry>"""%(fieldName,entry[0],entry[1],entry[2])
+        ret+="</set>"
+
+        if not RESPONSE:
+            return ret
+        else:
+            self.REQUEST.RESPONSE.setHeader('Content-Type','text/xml')
+            return ret
+
     def getValue(self,fieldName):
         """get md value"""
-        print self.__dict__
-        print self,fieldName,getattr(self,"md_"+fieldName)
+
         try:
             return getattr(self,"md_"+fieldName)
         except:
-            return ""
+            return (None,None,None)
+
+    def isEmptyValue(self,fieldName):
+        """empty"""
+        try:
+            field=getattr(self,"md_"+fieldName)
+            if field[1]=='':
+                return 0
+            else:
+                return 1
+        except:
+            return 0
         
     def generateMappingHash(self):
         """erzeugen des Hash"""
@@ -125,7 +153,34 @@ class OSAS_add_Metadata(Folder):
         {'label':'Main Config','action':'add_Metadata_config'},
         )
 
-    
+    def showGenericXML(self,RESPONSE=None):
+        """show generic fields as XML"""
+        ret="""<set name="%s">"""%"generic"
+        for field in self.fieldList:
+            ret+="""<entry genericName="%s"/>"""%field
+
+        ret+="</set>"
+        
+        if not RESPONSE:
+            return ret
+        else:
+            self.REQUEST.RESPONSE.setHeader('Content-Type','text/xml')
+            return ret
+    def showOverviewXML(self,RESPONSE):
+        """gives an overview over the Metadata stored in this folder"""
+        ret="""<metadata name="%s">"""%self.getId()
+        ret+=self.showGenericXML()
+        for entry in self.ZopeFind(self,obj_metatypes=['OSAS_MetadataMapping']):
+            ret+=entry[1].showSetXML()
+
+        ret+="</metadata>"
+
+        if not RESPONSE:
+            return ret
+        else:
+            self.REQUEST.RESPONSE.setHeader('Content-Type','text/xml')
+            return ret
+        
     def generateMappingList(self):
         """Erzeuge Mapping"""
         mapping={}