private void DisplayTree_PreviewMouseRightButtonDown(object sender, MouseButtonEventArgs e)
{
var position = e.GetPosition(this.DisplayTree);
var hitItem = this.DisplayTree.InputHitTest(position) as DependencyObject;
if (hitItem != null && hitItem != this.DisplayTree)
{
var item = FindAncestor <TreeViewItem>(hitItem);
// we might have been clicked without having a treeview item selected
if (item == null)
{
return;
}
var structure = item.Header as ModelSystemDisplayStructure;
this.SelectedModule = structure.Structure;
if (structure.Structure != null)
{
if (structure.Structure.IsCollection)
{
((UMSIContextMenu)this.ContextMenu).SetData(
this.RootModule,
ModelSystemStructure.GetParent(this.RootModule, structure.Structure),
structure.Structure);
}
else
{
((UMSIContextMenu)this.ContextMenu).SetData(
ModelSystemStructure.CheckForRootModule(this.RootModule, structure.Structure, ModelSystemStructure.GetRootRequirement(structure.Structure.Type)),
ModelSystemStructure.GetParent(this.RootModule, structure.Structure),
structure.Structure);
}
}
}
}
private IModelSystemStructure GetParent(IModelSystemStructure toFind)
{
return(ModelSystemStructure.GetParent(this.Root, toFind));
}