public static INiHierarchy FindNext(this INiHierarchy self)
{
// Descend into children.
var firstChild = (INiHierarchy)self.GetPropertyEx(NiHierarchyProperty.FirstChild);
if (firstChild != null)
{
return(firstChild);
}
// Find the next sibling.
var nextSibling = (INiHierarchy)self.GetPropertyEx(NiHierarchyProperty.NextSibling);
if (nextSibling != null)
{
return(nextSibling);
}
// Look at the parents.
var root = self;
var parent = (INiHierarchy)self.GetPropertyEx(NiHierarchyProperty.Parent);
while (parent != null)
{
// If the parent has a next sibling, return that.
nextSibling = (INiHierarchy)parent.GetPropertyEx(NiHierarchyProperty.NextSibling);
if (nextSibling != null)
{
return(nextSibling);
}
// Else, look at the parent of the parent.
root = parent;
parent = (INiHierarchy)parent.GetPropertyEx(NiHierarchyProperty.Parent);
}
// If the root didn't have a next sibling, we re-start from the root.
// If we started at the root (i.e. the root is the only hierarchy),
// we don't return it.
if (root != self)
{
return(root);
}
return(null);
}
public virtual HResult OpenItem(INiHierarchy hier, out INiWindowFrame windowFrame)
{
windowFrame = null;
try
{
if ((NiHierarchyType?)hier.GetPropertyEx(NiHierarchyProperty.ItemType) == NiHierarchyType.File)
{
string fileName;
ErrorUtil.ThrowOnFailure(((INiProjectItem)hier).GetFileName(out fileName));
return(((INiOpenDocumentManager)GetService(typeof(INiOpenDocumentManager))).OpenStandardEditor(
null,
fileName,
hier,
this,
out windowFrame
));
}
return(HResult.False);
}
catch (Exception ex)
{
return(ErrorUtil.GetHResult(ex));
}
}
public void OnPropertyChanged(INiHierarchy hier, int property)
{
try
{
switch ((NiHierarchyProperty)property)
{
case NiHierarchyProperty.Name:
_manager.TreeNode.Text = (string)hier.GetPropertyEx(NiHierarchyProperty.Name);
_manager.Reorder();
break;
case NiHierarchyProperty.SortPriority:
_manager.Reorder();
break;
case NiHierarchyProperty.Image:
case NiHierarchyProperty.OverlayImage:
case NiHierarchyProperty.ItemType:
_manager.UpdateImage();
break;
}
}
catch (Exception ex)
{
Log.Warn("Failed to process hierarchy property change", ex);
}
}
public virtual HResult OpenItem(INiHierarchy hier, out INiWindowFrame windowFrame)
{
windowFrame = null;
try
{
if ((NiHierarchyType?)hier.GetPropertyEx(NiHierarchyProperty.ItemType) == NiHierarchyType.File)
{
string fileName;
ErrorUtil.ThrowOnFailure(((INiProjectItem)hier).GetFileName(out fileName));
return ((INiOpenDocumentManager)GetService(typeof(INiOpenDocumentManager))).OpenStandardEditor(
null,
fileName,
hier,
this,
out windowFrame
);
}
return HResult.False;
}
catch (Exception ex)
{
return ErrorUtil.GetHResult(ex);
}
}
public Node(INiHierarchy hierarchy)
{
if (hierarchy != null)
{
Name = (string)hierarchy.GetPropertyEx(NiHierarchyProperty.Name);
}
Children = new Dictionary <INiHierarchy, Node>();
}
public static INiHierarchy FindPrevious(this INiHierarchy self)
{
var parent = (INiHierarchy)self.GetPropertyEx(NiHierarchyProperty.Parent);
// Look at the parent.
if (parent != null)
{
// Find the previous sibling of the parent.
INiHierarchy previousSibling = null;
foreach (var child in parent.GetChildren())
{
if (child == self)
{
break;
}
previousSibling = child;
}
// If the parent had a previous sibling, find the last child
// if that sibling.
if (previousSibling != null)
{
return(GetLastChild(previousSibling));
}
// Else, return the parent.
return(parent);
}
// We're at the root. In that case, descend into the last child of the root.
var lastChild = GetLastChild(self);
// Don't return the last child if it's the same as the root
// (i.e. is the only node).
if (self == lastChild)
{
return(null);
}
return(lastChild);
}
public TreeNodeManager(ProjectExplorerControl owner, INiHierarchy item)
{
_owner = owner;
Item = item;
_listener = new Listener(this);
TreeNode = new TreeNode
{
Text = (string)Item.GetPropertyEx(NiHierarchyProperty.Name),
Tag = this
};
UpdateImage();
}
public static IEnumerable <INiHierarchy> GetChildren(this INiHierarchy self)
{
if (self == null)
{
throw new ArgumentNullException("self");
}
var child = (INiHierarchy)self.GetPropertyEx(NiHierarchyProperty.FirstChild);
while (child != null)
{
yield return(child);
child = (INiHierarchy)child.GetPropertyEx(NiHierarchyProperty.NextSibling);
}
}
private static Node InsertNode(Node node, INiHierarchy hier)
{
var parent = (INiHierarchy)hier.GetPropertyEx(NiHierarchyProperty.Parent);
if (parent != null)
{
node = InsertNode(node, parent);
}
Node result;
if (!node.Children.TryGetValue(hier, out result))
{
result = new Node(hier);
node.Children.Add(hier, result);
}
return(result);
}
protected override bool FindNext()
{
if (_current == null)
{
_current = GetCurrentHierarchy(_serviceProvider);
// If we're finding all items, start from the root.
if (
_findState.Options.HasFlag(NiFindOptions.FindAll) ||
_findState.Options.HasFlag(NiFindOptions.ReplaceAll)
)
{
_current = (INiHierarchy)_current.GetPropertyEx(NiHierarchyProperty.Root);
}
if (_current == null)
{
return(false);
}
}
else
{
_current =
_findState.Options.HasFlag(NiFindOptions.Backwards)
? _current.FindPrevious()
: _current.FindNext();
if (_current == null || _seen.Contains(_current))
{
_current = null;
return(false);
}
}
_seen.Add(_current);
return(true);
}
public void OnPropertyChanged(INiHierarchy hier, int property)
{
try
{
switch ((NiHierarchyProperty)property)
{
case NiHierarchyProperty.Name:
_manager.TreeNode.Text = (string)hier.GetPropertyEx(NiHierarchyProperty.Name);
_manager.Reorder();
break;
case NiHierarchyProperty.SortPriority:
_manager.Reorder();
break;
case NiHierarchyProperty.Image:
case NiHierarchyProperty.OverlayImage:
case NiHierarchyProperty.ItemType:
_manager.UpdateImage();
break;
}
}
catch (Exception ex)
{
Log.Warn("Failed to process hierarchy property change", ex);
}
}
public TreeNodeManager(ProjectExplorerControl owner, INiHierarchy item)
{
_owner = owner;
Item = item;
_listener = new Listener(this);
TreeNode = new TreeNode
{
Text = (string)Item.GetPropertyEx(NiHierarchyProperty.Name),
Tag = this
};
UpdateImage();
}
protected override bool FindNext()
{
if (_current == null)
{
_current = GetCurrentHierarchy(_serviceProvider);
// If we're finding all items, start from the root.
if (
_findState.Options.HasFlag(NiFindOptions.FindAll) ||
_findState.Options.HasFlag(NiFindOptions.ReplaceAll)
)
_current = (INiHierarchy)_current.GetPropertyEx(NiHierarchyProperty.Root);
if (_current == null)
return false;
}
else
{
_current =
_findState.Options.HasFlag(NiFindOptions.Backwards)
? _current.FindPrevious()
: _current.FindNext();
if (_current == null || _seen.Contains(_current))
{
_current = null;
return false;
}
}
_seen.Add(_current);
return true;
}