/// <summary>
/// Creates a NPCChatDialogViewNode as a child of this NPCChatDialogViewNode.
/// </summary>
/// <param name="dialogItem">The NPCChatDialogItemBase the child node will handle.</param>
/// <returns>A NPCChatDialogViewNode as a child of this NPCChatDialogViewNode.</returns>
NPCChatDialogViewNode CreateNode(NPCChatDialogItemBase dialogItem)
{
// Check if the node already exists
var children = Nodes.OfType <NPCChatDialogViewNode>();
var retNode =
children.FirstOrDefault(
x =>
(x.ChatItemType == NPCChatDialogViewNodeItemType.DialogItem ||
x.ChatItemType == NPCChatDialogViewNodeItemType.Redirect) && x.ChatItemAsDialogItem == dialogItem);
// Create the new node if needed
if (retNode == null)
{
// Check if it has to be a redirect node
var existingDialogNode = TreeViewCasted.GetNodeForDialogItem(dialogItem);
if (existingDialogNode != null)
{
retNode = new NPCChatDialogViewNode(this, existingDialogNode);
}
else
{
retNode = new NPCChatDialogViewNode(this, dialogItem);
}
}
return(retNode);
}
/// <summary>
/// Notifies the NPCChatDialogView when a NPCChatDialogViewNode was destroyed.
/// </summary>
/// <param name="node">The NPCChatDialogViewNode that was destroyed.</param>
internal void NotifyNodeDestroyed(NPCChatDialogViewNode node)
{
List <NPCChatDialogViewNode> l;
if (!_objToTreeNode.TryGetValue(node.ChatItem, out l))
{
return;
}
l.Remove(node);
}
/// <summary>
/// Creates a NPCChatDialogViewNode as a child of this NPCChatDialogViewNode.
/// </summary>
/// <param name="response">The NPCChatResponseBase the child node will handle.</param>
/// <returns>A NPCChatDialogViewNode as a child of this NPCChatDialogViewNode.</returns>
NPCChatDialogViewNode CreateNode(NPCChatResponseBase response)
{
// Check if the node already exists
var children = Nodes.OfType <NPCChatDialogViewNode>();
var retNode =
children.FirstOrDefault(
x => x.ChatItemType == NPCChatDialogViewNodeItemType.Response && x.ChatItemAsResponse == response);
if (retNode == null)
{
retNode = new NPCChatDialogViewNode(this, response);
}
return(retNode);
}
/// <summary>
/// Notifies the NPCChatDialogView when a NPCChatDialogViewNode was created.
/// </summary>
/// <param name="node">The NPCChatDialogViewNode that was created.</param>
internal void NotifyNodeCreated(NPCChatDialogViewNode node)
{
List <NPCChatDialogViewNode> l;
if (!_objToTreeNode.TryGetValue(node.ChatItem, out l))
{
l = new List <NPCChatDialogViewNode>(1);
_objToTreeNode.Add(node.ChatItem, l);
}
if (node.ChatItemType == NPCChatDialogViewNodeItemType.Response)
{
node.ChatItemAsResponse.Changed += EditorNPCChatResponse_Changed;
}
else
{
node.ChatItemAsDialogItem.Changed += EditorNPCChatDialogItem_Changed;
}
l.Add(node);
}
/// <summary>
/// Notifies the NPCChatDialogView when a NPCChatDialogViewNode was destroyed.
/// </summary>
/// <param name="node">The NPCChatDialogViewNode that was destroyed.</param>
internal void NotifyNodeDestroyed(NPCChatDialogViewNode node)
{
List<NPCChatDialogViewNode> l;
if (!_objToTreeNode.TryGetValue(node.ChatItem, out l))
return;
l.Remove(node);
}
/// <summary>
/// Notifies the NPCChatDialogView when a NPCChatDialogViewNode was created.
/// </summary>
/// <param name="node">The NPCChatDialogViewNode that was created.</param>
internal void NotifyNodeCreated(NPCChatDialogViewNode node)
{
List<NPCChatDialogViewNode> l;
if (!_objToTreeNode.TryGetValue(node.ChatItem, out l))
{
l = new List<NPCChatDialogViewNode>(1);
_objToTreeNode.Add(node.ChatItem, l);
}
if (node.ChatItemType == NPCChatDialogViewNodeItemType.Response)
{
node.ChatItemAsResponse.Changed -= EditorNPCChatResponse_Changed;
node.ChatItemAsResponse.Changed += EditorNPCChatResponse_Changed;
}
else
{
node.ChatItemAsDialogItem.Changed -= EditorNPCChatDialogItem_Changed;
node.ChatItemAsDialogItem.Changed += EditorNPCChatDialogItem_Changed;
}
l.Add(node);
}
/// <summary>
/// Creates a NPCChatDialogViewNode as a child of this NPCChatDialogViewNode.
/// </summary>
/// <param name="response">The NPCChatResponseBase the child node will handle.</param>
/// <returns>A NPCChatDialogViewNode as a child of this NPCChatDialogViewNode.</returns>
NPCChatDialogViewNode CreateNode(NPCChatResponseBase response)
{
// Check if the node already exists
var children = Nodes.OfType<NPCChatDialogViewNode>();
var retNode =
children.FirstOrDefault(
x => x.ChatItemType == NPCChatDialogViewNodeItemType.Response && x.ChatItemAsResponse == response);
if (retNode == null)
retNode = new NPCChatDialogViewNode(this, response);
return retNode;
}
/// <summary>
/// Creates a NPCChatDialogViewNode as a child of this NPCChatDialogViewNode.
/// </summary>
/// <param name="dialogItem">The NPCChatDialogItemBase the child node will handle.</param>
/// <returns>A NPCChatDialogViewNode as a child of this NPCChatDialogViewNode.</returns>
NPCChatDialogViewNode CreateNode(NPCChatDialogItemBase dialogItem)
{
// Check if the node already exists
var children = Nodes.OfType<NPCChatDialogViewNode>();
var retNode =
children.FirstOrDefault(
x =>
(x.ChatItemType == NPCChatDialogViewNodeItemType.DialogItem ||
x.ChatItemType == NPCChatDialogViewNodeItemType.Redirect) && x.ChatItemAsDialogItem == dialogItem);
// Create the new node if needed
if (retNode == null)
{
// Check if it has to be a redirect node
var existingDialogNode = TreeViewCasted.GetNodeForDialogItem(dialogItem);
if (existingDialogNode != null)
retNode = new NPCChatDialogViewNode(this, existingDialogNode);
else
retNode = new NPCChatDialogViewNode(this, dialogItem);
}
return retNode;
}
/// <summary>
/// Updates this <see cref="NPCChatDialogViewNode"/>.
/// </summary>
/// <param name="recursive">If true, all nodes under this <see cref="NPCChatDialogViewNode"/> are updated, too.</param>
/// <exception cref="ArgumentException">The <see cref="ChatItemType"/> is not a valid
/// <see cref="NPCChatDialogViewNodeItemType"/>.</exception>
public void Update(bool recursive)
{
var checkToSwapRedirectNodes = false;
var childNodes = Nodes.OfType <NPCChatDialogViewNode>();
IEnumerable <NPCChatDialogViewNode> nodesToRemove = null;
switch (ChatItemType)
{
case NPCChatDialogViewNodeItemType.DialogItem:
// For a dialog item, add the responses
var asDialogItem = ChatItemAsDialogItem;
var validNodes = new List <NPCChatDialogViewNode>(asDialogItem.Responses.Count());
foreach (var response in asDialogItem.Responses)
{
validNodes.Add(CreateNode(response));
}
// Mark dead nodes
if (validNodes.Count != Nodes.Count)
{
nodesToRemove = childNodes.Except(validNodes);
}
break;
case NPCChatDialogViewNodeItemType.Redirect:
// For a redirect, there are no child nodes
// Mark dead nodes
if (Nodes.Count > 0)
{
nodesToRemove = childNodes;
}
break;
case NPCChatDialogViewNodeItemType.Response:
// For a response, add the dialog item, using a redirect if needed
var dialogItem = TreeViewCasted.NPCChatDialog.GetDialogItem(ChatItemAsResponse.Page);
NPCChatDialogViewNode validNode = null;
if (dialogItem != null)
{
validNode = CreateNode(dialogItem);
if (validNode.ChatItemType == NPCChatDialogViewNodeItemType.Redirect)
{
checkToSwapRedirectNodes = true;
}
}
// Mark dead nodes
if (Nodes.Count > (dialogItem != null ? 1 : 0))
{
nodesToRemove = childNodes.Where(x => x != validNode);
}
break;
default:
const string errmsg = "Invalid ChatItemType `{0}`.";
throw new ArgumentException(string.Format(errmsg, ChatItemType));
}
// Remove the marked nodes to be removed
if (nodesToRemove != null)
{
foreach (var node in nodesToRemove)
{
node.Remove();
}
}
// Update the text of this node
UpdateText();
// Check to recursively update all the children nodes
if (recursive)
{
foreach (var child in childNodes)
{
child.Update(true);
}
}
// Check if to swap nodes so the redirect is as deep in the tree as possible
// This must be done here at the end, otherwise we will disrupt the recursive update process
// and some nodes will end up not appearing in the tree
if (checkToSwapRedirectNodes)
{
foreach (var child in childNodes.Where(x => x.ChatItemType == NPCChatDialogViewNodeItemType.Redirect))
{
var existing = TreeViewCasted.GetNodeForDialogItem(child.ChatItemAsDialogItem);
var existingDepth = existing.GetDepth();
var childDepth = child.GetDepth();
if (existingDepth > childDepth)
{
existing.SwapNode(child, existing.Nodes.Count <= 0);
}
}
}
}