protected override bool UpdateAssets()
{
if (!this.NeedsUpdate)
{
return(false);
}
this.NeedsUpdate = false;
ObservableCollectionWorkaround <Asset> collectionWorkaround = this.Assets.Clone();
List <Asset> list = new List <Asset>(collectionWorkaround.Count);
this.Assets.Clear();
foreach (AssetProvider assetProvider in this.assetProviders)
{
foreach (Asset asset in (Collection <Asset>)assetProvider.Assets)
{
list.Add(asset);
}
}
collectionWorkaround.Sort(Asset.DefaultComparer);
list.Sort(Asset.DefaultComparer);
int index1 = 0;
int index2 = 0;
while (index1 < collectionWorkaround.Count && index2 < list.Count)
{
int num = collectionWorkaround[index1].CompareTo(list[index2]);
if (num == 0)
{
this.Assets.Add(list[index2]);
++index1;
++index2;
}
else if (num < 0)
{
collectionWorkaround[index1++].IsValid = false;
}
else
{
this.Assets.Add(list[index2++]);
}
}
while (index1 < collectionWorkaround.Count)
{
collectionWorkaround[index1++].IsValid = false;
}
while (index2 < list.Count)
{
this.Assets.Add(list[index2++]);
}
foreach (Asset asset in (Collection <Asset>) this.Assets)
{
asset.IsValid = true;
}
this.NotifyAssetsChanged();
return(true);
}
protected virtual ObservableCollectionWorkaround <LocalResourceModel> ProvideLocalResources(List <ResourceContainer> activeContainers)
{
ObservableCollectionWorkaround <LocalResourceModel> collectionWorkaround = new ObservableCollectionWorkaround <LocalResourceModel>();
foreach (DocumentCompositeNode entryNode in this.DesignerContext.ResourceManager.GetResourcesInElementsScope((IList <ResourceContainer>)activeContainers, PlatformTypes.Object, ResourceResolutionFlags.IncludeApplicationResources | ResourceResolutionFlags.UniqueKeysOnly))
{
DocumentNode resourceEntryKey = ResourceNodeHelper.GetResourceEntryKey(entryNode);
DocumentNode node = entryNode.Properties[DictionaryEntryNode.ValueProperty];
if (resourceEntryKey != null)
{
DelayedEvaluationLocalResourceModel localResourceModel = new DelayedEvaluationLocalResourceModel(this.DocumentContext, this.DesignerContext, resourceEntryKey, node.TargetType, node);
collectionWorkaround.Add((LocalResourceModel)localResourceModel);
}
}
collectionWorkaround.Sort((Comparison <LocalResourceModel>)((left, right) => string.Compare(left.ResourceName, right.ResourceName, StringComparison.CurrentCulture)));
return(collectionWorkaround);
}
