public bool Add(int index, AbstractFieldNode newChild)
{
bool isAllowed = false;
foreach (Type type in AllowedChildTypes)
{
if (type.IsInstanceOfType(newChild))
{
isAllowed = true;
break;
}
}
if (!isAllowed)
{
return(false);
}
if (AddChild(index, newChild))
{
newChild.m_parent = this;
newChild.m_index = index;
InvokeChildAdded(newChild);
return(true);
}
return(false);
}
protected override bool AddChild(int index, AbstractFieldNode newChild)
{
if (index < 0 || index > m_children.Count)
return false;
m_children.Insert(index, newChild);
return true;
}
protected override bool AddChild(int index, AbstractFieldNode newChild)
{
if (index < 0 || index > m_children.Count)
{
return(false);
}
m_children.Insert(index, newChild);
return(true);
}
private void AddChildType(object sender, EventArgs eventArgs)
{
MenuItem menuItem = sender as MenuItem;
Debug.Assert(menuItem != null, "menuItem != null");
Type type = menuItem.Tag as Type;
AbstractFieldNode filedNode = Activator.CreateInstance(type) as AbstractFieldNode;
Add(Count, filedNode);
}
public void NodeChanged(AbstractFieldNode node)
{
TreeNode treeNode = GetTreeNode(node);
if(treeNode == null)
return;
treeNode.Text = node.ToString();
for (int i = 0; i < node.Count; i++)
{
NodeChanged(node.GetChild(i));
}
}
public bool Remove()
{
if (m_parent != null && m_parent.RemoveChild(m_index))
{
AbstractFieldNode parent = m_parent;
m_parent = null;
m_index = -1;
parent.InvokeChildRemoved(this);
return(true);
}
return(false);
}
public static AbstractFieldNode Deserialize(BinaryReader reader)
{
string qualifiedName = reader.ReadString();
Type type = Type.GetType(qualifiedName);
AbstractFieldNode node = Activator.CreateInstance(type) as AbstractFieldNode;
node.OnDeserialize(reader);
int count = reader.ReadInt32();
for (int i = 0; i < count; i++)
{
AbstractFieldNode child = Deserialize(reader);
node.Add(i, child);
}
return(node);
}
public void AddNode(AbstractFieldNode node)
{
AbstractFieldNode parent = node.Parent;
if (parent == null)
{
if (m_nodeLookup.Count != 0)
throw new InvalidOperationException("Cannot add a root node, a root already exists.");
LinkedList<MenuItem> menuItems = new LinkedList<MenuItem>();
node.GetMenuCommands(menuItems);
TreeNode treeNode = new TreeNode(node.ToString());
treeNode.ContextMenu = new ContextMenu(menuItems.ToArray());
treeNode.Tag = node;
m_treeView.Nodes.Add(treeNode);
m_treeNodeLookup.Add(node, treeNode);
m_nodeLookup.Add(treeNode, node);
}
else
{
LinkedList<MenuItem> menuItems = new LinkedList<MenuItem>();
node.GetMenuCommands(menuItems);
TreeNode treeNode = new TreeNode(node.ToString());
treeNode.ContextMenu = new ContextMenu(menuItems.ToArray());
treeNode.Tag = node;
TreeNode parentTreeNode = GetTreeNode(parent);
parentTreeNode.Nodes.Add(treeNode);
parentTreeNode.Expand();
m_treeNodeLookup.Add(node, treeNode);
m_nodeLookup.Add(treeNode, node);
}
}
protected abstract bool AddChild(int index, AbstractFieldNode newChild);
public bool Remove()
{
if (m_parent != null && m_parent.RemoveChild(m_index))
{
AbstractFieldNode parent = m_parent;
m_parent = null;
m_index = -1;
parent.InvokeChildRemoved(this);
return true;
}
return false;
}
public void ChildNodeRemoved(AbstractFieldNode parent, AbstractFieldNode child)
{
TreeNode childTreeNode = GetTreeNode(child);
childTreeNode.Remove();
}
public bool Add(int index, AbstractFieldNode newChild)
{
bool isAllowed = false;
foreach (Type type in AllowedChildTypes)
{
if (type.IsInstanceOfType(newChild))
{
isAllowed = true;
break;
}
}
if (!isAllowed)
return false;
if (AddChild(index, newChild))
{
newChild.m_parent = this;
newChild.m_index = index;
InvokeChildAdded(newChild);
return true;
}
return false;
}
private void OnNodeRemoved(AbstractFieldNode parent, AbstractFieldNode child)
{
m_winForm.ChildNodeRemoved(parent, child);
}
protected abstract bool AddChild(int index, AbstractFieldNode newChild);
protected virtual void InvokeChildRemoved(AbstractFieldNode removedchild)
{
OnChildRemoved?.Invoke(this, removedchild);
}
protected virtual void InvokeChildAdded(AbstractFieldNode newchild)
{
OnChildAdded?.Invoke(this, newchild);
}
protected virtual void InvokeChildAdded(AbstractFieldNode newchild)
{
OnChildAdded?.Invoke(this, newchild);
}
private void OnNodeChanged(AbstractFieldNode node)
{
m_winForm.NodeChanged(node);
}
protected virtual void InvokeChildRemoved(AbstractFieldNode removedchild)
{
OnChildRemoved?.Invoke(this, removedchild);
}
private TreeNode GetTreeNode(AbstractFieldNode node)
{
TreeNode treeNode;
m_treeNodeLookup.TryGetValue(node, out treeNode);
return treeNode;
}
private void OnNodeAdded(AbstractFieldNode parent, AbstractFieldNode child)
{
SetupNode(child);
}
private void SetupNode(AbstractFieldNode node)
{
node.OnChildAdded += OnNodeAdded;
node.OnChanged += OnNodeChanged;
node.OnChildRemoved += OnNodeRemoved;
m_winForm.AddNode(node);
int childCount = node.Count;
for (int i = 0; i < childCount; i++)
{
SetupNode(node.GetChild(i));
}
}
