public override RoleGroupTreeNode CreateRoleGroupTreeNode(DomainRoleInfo targetRoleInfo)
{
if (targetRoleInfo == null)
{
throw new ArgumentNullException(nameof(targetRoleInfo));
}
Type representedType = targetRoleInfo.LinkPropertyInfo.PropertyType;
if (!nodeEventHandlersAdded.Contains(representedType))
{
DomainClassInfo domainClassInfo = ModelingDocData.Store.DomainDataDirectory.FindDomainClass(representedType);
ModelingDocData.Store.EventManagerDirectory.ElementAdded.Add(domainClassInfo, new EventHandler <ElementAddedEventArgs>(AddedHandler));
ModelingDocData.Store.EventManagerDirectory.ElementDeleted.Add(domainClassInfo, new EventHandler <ElementDeletedEventArgs>(DeletedHandler));
ModelingDocData.Store.EventManagerDirectory.ElementPropertyChanged.Add(domainClassInfo, new EventHandler <ElementPropertyChangedEventArgs>(ChangedHandler));
nodeEventHandlersAdded.Add(representedType);
}
RoleGroupTreeNode roleGroupTreeNode = new EFModelRoleGroupTreeNode(targetRoleInfo);
if (ObjectModelBrowser.ImageList != null)
{
roleGroupTreeNode.DefaultImageIndex = 1;
}
return(roleGroupTreeNode);
}
/// <summary>
/// Called to remove an ExplorerTreeNode from the explorer. Also removes empty parent group nodes.
/// </summary>
/// <param name="node">Node to remove</param>
private void Remove(TreeNode node)
{
if (node is ExplorerTreeNode elementNode)
{
EFModelRoleGroupTreeNode groupNode = node.Parent as EFModelRoleGroupTreeNode;
elementNode.Remove();
if (groupNode.Nodes.Count == 0 && (elementNode.RepresentedElement is ModelAttribute ||
elementNode.RepresentedElement is ModelEnumValue))
{
groupNode.Remove();
}
}
}
/// <summary>
/// Method to insert the incoming node into the TreeNodeCollection. This allows the derived class to change the sorting behavior.
/// N.B. This should really be protected, and is only intended as an override point. Do not call it directly, but rather call
/// InsertNode()
/// </summary>
/// <param name="siblingNodes"></param>
/// <param name="node"></param>
public override void InsertTreeNode(TreeNodeCollection siblingNodes, ExplorerTreeNode node)
{
base.InsertTreeNode(siblingNodes, node);
// sorting Diagrams first. Normally would be alpha ordering
EFModelRoleGroupTreeNode diagramNode = siblingNodes.OfType <EFModelRoleGroupTreeNode>().FirstOrDefault(n => n.Text.StartsWith("Diagrams"));
if (diagramNode != null && siblingNodes.IndexOf(diagramNode) != 0)
{
diagramNode.Remove();
siblingNodes.Insert(0, diagramNode);
}
if (node.Parent is EFModelRoleGroupTreeNode roleNode)
{
roleNode.Text = roleNode.GetNodeText(); // not roleNode.UpdateNodeText() - too expensive
}
}
