void SearchNodeFind(DataTreeNodeX node, Action <DataTreeNodeX> done)
{
foreach (var child in node.Nodes)
{
NavigateChild(child as DataTreeNodeX, done, SearchNodeFind);
}
}
void SetModel(IDataModel value)
{
if (model != null)
{
model.Node = null;
model.PropertyChanged -= OnModelPropertyChanged;
model.ExpandRequested -= ExpandRequested;
model.CollapseRequested -= CollapseRequested;
model.Children.CollectionChanged -= OnChildrenUpdated;
}
model = value;
model.Node = this;
model.Refresh(true);
model.PropertyChanged += OnModelPropertyChanged;
model.ExpandRequested += ExpandRequested;
model.CollapseRequested += CollapseRequested;
model.Children.CollectionChanged += OnChildrenUpdated;
Text = model.Text;
ForeColor = model.ForeColor;
foreach (var child in model.Children)
{
var childNode = new DataTreeNodeX(child);
Nodes.Add(childNode);
}
ImageIndex = model.HasIcon ? 0 : -1;
if (TreeView != null)
{
TreeView.Invalidate();
}
}
void NavigateChild(DataTreeNodeX node, Action <DataTreeNodeX> done, Action <DataTreeNodeX, Action <DataTreeNodeX> > search)
{
if (node == null || node.TreeView == null)
{
return;
}
Func <object, NavigationState> predicate;
if (!navPath.TryGetValue(node.Model.GetType(), out predicate))
{
return;
}
switch (predicate(node.Model))
{
case NavigationState.Next:
return;
case NavigationState.In:
break;
case NavigationState.Done:
node.TreeView.Invoke(new Action(() => {
done(node);
}));
return;
}
if (node.Model is LazyModel)
{
var op = ((LazyModel)node.Model).Load();
if (op != null)
{
op.Completed += (sender, e) => search(node, done);
op.Begin();
}
else
{
search(node, done);
}
}
else
{
search(node, done);
}
}
void SearchNodeGoto(DataTreeNodeX node, Action <DataTreeNodeX> done)
{
if (node.TreeView != null)
{
if (node.TreeView.InvokeRequired)
{
node.TreeView.Invoke(new Action(() => node.Expand()));
}
else
{
node.Expand();
}
}
foreach (var child in node.Nodes)
{
NavigateChild(child as DataTreeNodeX, done, SearchNodeGoto);
}
}
void SetModel(IDataModel value) {
if (model != null) {
model.Node = null;
model.PropertyChanged -= OnModelPropertyChanged;
model.ExpandRequested -= ExpandRequested;
model.CollapseRequested -= CollapseRequested;
model.Children.CollectionChanged -= OnChildrenUpdated;
}
model = value;
model.Node = this;
model.Refresh(true);
model.PropertyChanged += OnModelPropertyChanged;
model.ExpandRequested += ExpandRequested;
model.CollapseRequested += CollapseRequested;
model.Children.CollectionChanged += OnChildrenUpdated;
Text = model.Text;
ForeColor = model.ForeColor;
foreach (var child in model.Children) {
var childNode = new DataTreeNodeX(child);
Nodes.Add(childNode);
}
ImageIndex = model.HasIcon ? 0 : -1;
if (TreeView != null)
TreeView.Invalidate();
}
void UpdateViewContainer(DataTreeNodeX node, IView view, DockContent container) {
if (string.IsNullOrEmpty(view.ViewControl.Text))
container.Text = node.Text;
else
container.Text = view.ViewControl.Text;
if (view.Icon != null)
container.Icon = view.Icon;
else {
var bmp = new Bitmap(16, 16);
using (var g = Graphics.FromImage(bmp))
node.DrawIcon(g, new Rectangle(0, 0, 16, 16));
container.Icon = IconCreator.CreateIcon(bmp, 16);
}
}