private void Unload()
{
if (this.projectFontFamilies != null)
{
this.projectFontFamilies.CollectionChanged -= new NotifyCollectionChangedEventHandler(this.projectFontFamilies_CollectionChanged);
this.projectFontFamilies = (ObservableCollection <IProjectFont>)null;
}
SelectedElementsObjectSet elementsObjectSet = this.sceneNodeObjectSet as SelectedElementsObjectSet;
if (elementsObjectSet != null)
{
elementsObjectSet.ViewModelChanged -= new EventHandler(this.objectSet_ViewModelChanged);
}
this.sceneNodeObjectSet = (SceneNodeObjectSet)null;
this.projectContext = (IProjectContext)null;
}
private void Rebuild()
{
this.Unload();
SceneNodePropertyValue nodePropertyValue = this.DataContext as SceneNodePropertyValue;
if (nodePropertyValue == null)
{
return;
}
this.sceneNodeObjectSet = ((SceneNodeProperty)nodePropertyValue.get_ParentProperty()).SceneNodeObjectSet;
this.projectContext = this.sceneNodeObjectSet.ProjectContext;
this.projectFontFamilies = this.projectContext.ProjectFonts;
this.projectFontFamilies.CollectionChanged += new NotifyCollectionChangedEventHandler(this.projectFontFamilies_CollectionChanged);
this.fontFamilyEditor.FontFamilies = FontFamilyValueEditor.GetFontFamilies(this.sceneNodeObjectSet);
SelectedElementsObjectSet elementsObjectSet = this.sceneNodeObjectSet as SelectedElementsObjectSet;
if (elementsObjectSet == null)
{
return;
}
elementsObjectSet.ViewModelChanged += new EventHandler(this.objectSet_ViewModelChanged);
}