public NodeMenuItem(string text, TreeNode tn, NodeDef parentNode, NodeDef childNode, Popup popup)
: base(text)
{
this.tn = tn;
this.parentNode = parentNode;
this.childNode = childNode;
this.popup = popup;
}
protected void BuildFlatNodeList(NodeDef node)
{
foreach (NodeDef child in node.Nodes)
{
if (child.Name == null)
{
throw new ApplicationException("NodeDef Name cannot be null.");
}
// System.Diagnostics.Debug.WriteLine("Child='" + child.Text + "'");
// System.Diagnostics.Debug.WriteLine("Adding controller node map:" + (child.ImplementingType==null ? "null" : child.ImplementingType.ToString()) + ", " + (child.TypeData==null ? "null" : child.TypeData.ToString()));
nodeList[child.Name] = child;
controllerToNodeDefMap[new ControllerInfo(child.ImplementingType, child.TypeData)] = child;
nameToNodeDefMap[child.Name] = child;
if (!child.Recurse)
{
BuildFlatNodeList(child);
}
}
}
protected void UpdateImageList(TreeNode tn, NodeDef nodeDef, IXtreeNode inst)
{
if (nodeDef.ImageList != null)
{
// Have images been loaded into the TreeView's image list?
if (nodeDef.ImageOffset == -1)
{
// No. Load them and save the offset.
nodeDef.ImageOffset = ImageList.Images.Count;
foreach (Image img in nodeDef.ImageList.Images)
{
ImageList.Images.Add(img);
}
}
// Yes, just update the indices.
tn.ImageIndex = nodeDef.ImageOffset + inst.IconIndex;
tn.SelectedImageIndex = nodeDef.ImageOffset + inst.SelectedIconIndex;
}
}
public ContextMenu BuildContextMenu(TreeNode tn, NodeDef n)
{
ContextMenu cm = new ContextMenu();
bool first = true;
// Populate from this node's popup collection.
if (n.PopupItems.Count != 0)
{
foreach (Popup popup in n.PopupItems)
{
NodeMenuItem nmi = new NodeMenuItem(popup.Text, tn, n, null, popup);
if (popup.PopupItems.Count == 0)
{
nmi.Click += new EventHandler(OnContextItem);
nmi.Enabled = ((NodeInstance)tn.Tag).Instance.IsEnabled(popup.Tag, popup.Enabled);
}
BuildChildPopups(nmi, popup, tn, n, null);
cm.MenuItems.Add(nmi);
}
first = false;
}
// For each child node, populate from the child's ParentPopupItems collection.
foreach (NodeDef child in n.Nodes)
{
NodeDef refNode = child;
// Resolve any referenced node.
if (child.IsRef)
{
if (!nodeList.ContainsKey(child.RefName))
{
throw new ApplicationException("referenced node does not exist.");
}
refNode = nodeList[child.RefName];
}
if (refNode.ParentPopupItems.Count != 0)
{
if (!first)
{
if (child.Separator)
{
cm.MenuItems.Add(new NodeMenuItem("-", tn, n, null, null));
}
}
first = false;
// Populate the items.
foreach (Popup popup in refNode.ParentPopupItems)
{
NodeMenuItem nmi = new NodeMenuItem(popup.Text, tn, n, refNode, popup);
if (popup.PopupItems.Count == 0)
{
nmi.Click += new EventHandler(OnContextItem);
nmi.Enabled = ((NodeInstance)tn.Tag).Instance.IsEnabled(popup.Tag, popup.Enabled);
}
BuildChildPopups(nmi, popup, tn, n, refNode);
cm.MenuItems.Add(nmi);
//NodeMenuItem nmi = new NodeMenuItem(popup.Text, tn, n, refNode, popup);
//nmi.Click += new EventHandler(OnContextItem);
//nmi.Enabled = ((NodeInstance)tn.Tag).Instance.IsEnabled(popup.Tag, popup.Enabled);
//cm.MenuItems.Add(nmi);
}
}
}
// Add custom items.
NodeMenuItem spacer = new NodeMenuItem("-", tn, n, null, null);
cm.MenuItems.Add(spacer);
NodeMenuItem collapse = new NodeMenuItem("Collapse", tn, n, null, null);
collapse.Click += new EventHandler(OnCollapse);
cm.MenuItems.Add(collapse);
NodeMenuItem expand = new NodeMenuItem("Expand", tn, n, null, null);
expand.Click += new EventHandler(OnExpand);
cm.MenuItems.Add(expand);
NodeMenuItem expandAll = new NodeMenuItem("Expand All", tn, n, null, null);
expandAll.Click += new EventHandler(OnExpandAll);
cm.MenuItems.Add(expandAll);
return cm;
}
protected void BuildChildPopups(NodeMenuItem nmi, Popup popup, TreeNode tn, NodeDef n, NodeDef refNode)
{
foreach (Popup childPopup in popup.PopupItems)
{
NodeMenuItem nmiChild = new NodeMenuItem(childPopup.Text, tn, n, refNode, childPopup);
if (childPopup.PopupItems.Count == 0)
{
nmiChild.Click += new EventHandler(OnContextItem);
nmiChild.Enabled = ((NodeInstance)tn.Tag).Instance.IsEnabled(childPopup.Tag, childPopup.Enabled);
}
BuildChildPopups(nmiChild, childPopup, tn, n, refNode);
nmi.MenuItems.Add(nmiChild);
}
}
public TreeNode CreateNodeAndRequiredChildren(NodeDef nodeDef, IXtreeNode parentInst)
{
TreeNode tn = CreateNode(nodeDef, parentInst);
UpdateImageList(tn, nodeDef, parentInst);
foreach (NodeDef child in nodeDef.Nodes)
{
// If the current node is recursive, then ignore nodes from the parent
// that are NOT recursive. In other words, the current node should only
// select itself. This prevents required nodes of the parent from being added.
if ((nodeDef.Recurse) && (!child.Recurse))
{
continue;
}
if (child.IsRequired)
{
IXtreeNode inst = child.CreateImplementingType(parentInst);
// Set the qualifier to distinguish a generic controller with a concrete type that it manages.
inst.TypeData = child.TypeData;
TreeNode tnChild = CreateNodeAndRequiredChildren(child, inst);
bool success = inst.AddNode(parentInst, null);
OnNewNode(new NewNodeEventArgs(inst, nodeDef, tnChild));
tn.Nodes.Add(tnChild);
tn.Expand();
}
}
return tn;
}
public TreeNode CreateNode(NodeDef nodeDef, IXtreeNode inst)
{
TreeNode tn = new TreeNode();
tn.Text = nodeDef.Text;
// If no controller is specified, use the text in the NodeDef.
if (!(inst is PlaceholderInstance))
{
// Otherwise, get the text from the controller...
if (inst.Name != null)
{
// if it's not null!
tn.Text = inst.Name;
}
}
tn.Tag = new NodeInstance(tn, nodeDef, inst);
UpdateImageList(tn, nodeDef, inst);
return tn;
}
public NewNodeEventArgs(IXtreeNode instanceNode, NodeDef nodeDef, TreeNode treeNode)
{
this.instanceNode = instanceNode;
this.nodeDef = nodeDef;
this.treeNode = treeNode;
}
public NodeInstance(TreeNode tn, NodeDef def, IXtreeNode instance)
{
this.tn = tn;
nodeDef = def;
this.instance = instance;
}
public NodeInstance(TreeNode tn, NodeDef def)
{
this.tn = tn;
nodeDef = def;
}
public NodeInstance(TreeNode tn, NodeDef def, IXtreeNode instance)
{
this.tn = tn;
nodeDef = def;
this.instance = instance;
}
public NodeInstance(TreeNode tn, NodeDef def)
{
this.tn = tn;
nodeDef = def;
}
