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//
// ITreeNavigator.cs
//
// Author:
// Lluis Sanchez Gual
//
// Copyright (C) 2005 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections;
namespace MonoDevelop.Ide.Gui.Components
{
public interface ITreeNavigator
{
object DataItem { get; }
string NodeName { get; }
object GetParentDataItem (Type type, bool includeCurrent);
T GetParentDataItem<T> (bool includeCurrent);
bool Selected { get; set; }
bool Expanded { get; set; }
void ExpandToNode ();
ITreeOptions Options { get; }
TypeNodeBuilder TypeNodeBuilder { get; }
NodeState SaveState ();
void RestoreState (NodeState state);
NodePosition CurrentPosition { get; }
bool MoveToPosition (NodePosition position);
bool MoveToParent ();
bool MoveToParent (Type type);
bool MoveToRoot ();
bool MoveToFirstChild ();
bool MoveToChild (string name, Type dataType);
bool HasChild (string name, Type dataType);
bool HasChildren ();
bool MoveNext ();
// The following methods only look through nodes already created
// (the tree is lazily created)
bool MoveToObject (object dataObject);
bool MoveToNextObject ();
bool FindChild (object dataObject);
bool FindChild (object dataObject, bool recursive);
// True if the node has been filled with child data.
bool Filled { get; }
/// <summary>
/// Scrolls the tree to this node.
/// </summary>
void ScrollToNode ();
ITreeNavigator Clone ();
}
public struct NodePosition {
internal Gtk.TreeIter _iter;
internal object _node;
}
}
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