ITreeViewHierarchyAdapter.h

//========================================================================================
// 
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// Owner: Matt Joss
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// Copyright 1997-2010 Adobe Systems Incorporated. All rights reserved.
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#ifndef __ITreeViewHierarchyAdapter__
#define __ITreeViewHierarchyAdapter__

#include "IPMUnknown.h"
#include "widgetid.h"
#include "NodeID.h"

//----------------------------------------------------------------------------------------
// Forward Declarations
//----------------------------------------------------------------------------------------
class IControlView;

//----------------------------------------------------------------------------------------
// ITreeViewHierarchyAdapter
//----------------------------------------------------------------------------------------

class ITreeViewHierarchyAdapter : public IPMUnknown
{
public:
 enum { kDefaultIID = IID_ITREEVIEWHIERARCHYADAPTER };
 
 virtual NodeID_rv GetRootNode() const = 0;

 virtual NodeID_rv GetParentNode( const NodeID& node ) const = 0;

 virtual int32 GetNumChildren( const NodeID& node ) const = 0;

 virtual bool16 ShouldAddNthChild( const NodeID& node, const int32& nth ) const = 0;

 virtual NodeID_rv GetNthChild( const NodeID& node, const int32& nth ) const = 0;

 virtual int32 GetChildIndex( const NodeID& parent, const NodeID& child ) const = 0;

 virtual NodeID_rv GetGenericNodeID() const = 0;

}; 

#endif // __ITreeViewMgr__