//-----------------------------
// internal methods
//-----------------------------
internal static void UpdateTree(
BamlTree tree,
BamlTreeMap treeMap,
BamlLocalizationDictionary dictionary
)
{
Debug.Assert(tree != null && tree.Root != null, "Empty Tree!");
Debug.Assert(treeMap != null, "Empty map!");
Debug.Assert(dictionary != null, "Empty dictionary");
// no changes to do to the tree.
if (dictionary.Count <= 0)
return;
// create a tree map to be used for update
BamlTreeUpdateMap updateMap = new BamlTreeUpdateMap(treeMap, tree);
//
// a) Create baml tree nodes for missing child place holders and properties.
// Translations may require new nodes to be constructed. For example
// translation contains new child place holders
//
CreateMissingBamlTreeNode(dictionary, updateMap);
//
// b) Look through each translation and make modification to the tree
// At this step, new nodes are linked to the tree if applicable.
//
BamlLocalizationDictionaryEnumerator enumerator = dictionary.GetEnumerator();
ArrayList deferredResources = new ArrayList();
while (enumerator.MoveNext())
{
if (!ApplyChangeToBamlTree(enumerator.Key, enumerator.Value, updateMap))
{
deferredResources.Add(enumerator.Entry);
}
}
//
// c) Hook up the property nodes that aren't hooked up yet
// Formatting tags inserted in the translation will only be created the
// previous step. Hook up properties to those nodes now if applicable
//
for(int i = 0; i < deferredResources.Count; i++)
{
DictionaryEntry entry = (DictionaryEntry) deferredResources[i];
ApplyChangeToBamlTree(
(BamlLocalizableResourceKey) entry.Key,
(BamlLocalizableResource) entry.Value,
updateMap
);
}
}
private static void CreateMissingBamlTreeNode(
BamlLocalizationDictionary dictionary,
BamlTreeUpdateMap treeMap
)
{
BamlLocalizationDictionaryEnumerator enumerator = dictionary.GetEnumerator();
while (enumerator.MoveNext())
{
BamlLocalizableResourceKey key = enumerator.Key;
BamlLocalizableResource resource = enumerator.Value;
// get the baml tree node from the tree
BamlTreeNode node = treeMap.MapKeyToBamlTreeNode(key);
if (node == null)
{
if (key.PropertyName == BamlConst.ContentSuffix)
{
// see if there is already a Baml node with the Uid. If so
// ignore this entry
node = treeMap.MapUidToBamlTreeElementNode(key.Uid);
if (node == null)
{
// create new Baml element node
BamlStartElementNode newNode = new BamlStartElementNode(
treeMap.Resolver.ResolveAssemblyFromClass(key.ClassName),
key.ClassName,
false, /*isInjected*/
false /*CreateUsingTypeConverter*/
);
// create new x:Uid node for this element node
newNode.AddChild(
new BamlDefAttributeNode(
XamlReaderHelper.DefinitionUid,
key.Uid
)
);
TryAddContentPropertyToNewElement(treeMap, newNode);
// terminate the node with EndElementNode
newNode.AddChild(new BamlEndElementNode());
// store this new node into the map so that it can be found
// when other translations reference it as a childplace holder, or property owner
treeMap.AddBamlTreeNode(key.Uid, key, newNode);
}
}
else
{
BamlTreeNode newNode;
if (key.PropertyName == BamlConst.LiteralContentSuffix)
{
// create a LiterContent node
newNode = new BamlLiteralContentNode(resource.Content);
}
else
{
newNode = new BamlPropertyNode(
treeMap.Resolver.ResolveAssemblyFromClass(key.ClassName),
key.ClassName,
key.PropertyName,
resource.Content,
BamlAttributeUsage.Default
);
}
// add to the map
treeMap.AddBamlTreeNode(null, key, newNode);
}
}
}
}