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