ITreeAttributes.h

//========================================================================================
// 
// $File$
// 
// Owner: Dave Burnard (was Matt Joss)
// 
// $Author$
// 
// $DateTime$
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// $Revision$
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// Copyright 1997-2010 Adobe Systems Incorporated. All rights reserved.
// 
// NOTICE: Adobe permits you to use, modify, and distribute this file in accordance 
// with the terms of the Adobe license agreement accompanying it. If you have received
// this file from a source other than Adobe, then your use, modification, or 
// distribution of it requires the prior written permission of Adobe.
// 
//========================================================================================

#ifndef __ITreeAttributes__
#define __ITreeAttributes__

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

class ITreeNode;

//========================================================================================
// CLASS ITreeAttributes
//========================================================================================
class ITreeAttributes : public IPMUnknown
{
public:
 enum { kDefaultIID = IID_ITREEATTRIBUTES };

 
 // -----------------------------------------------------------
 virtual bool16 IsRootNodeDisplayed() const = 0;
 virtual void DisplayRootNode(bool16 displayRoot) = 0;

 // -----------------------------------------------------------

 typedef enum { kVerticalScrollBar, kHorizontalScrollBar} ScrollBarType;

 virtual bool16 IsScrollBarUsed( ScrollBarType scrollType ) const = 0; 

 virtual void UseScrollBar( ScrollBarType scrollType, bool16 useScrollBar ) = 0;

 virtual int16 GetThumbScrollIncrement( ScrollBarType scrollType ) const = 0;
 virtual int16 GetScrollButtonIncrement( ScrollBarType scrollType ) const = 0;

 virtual void SetScrollAmount( ScrollBarType scrollType, int16 scrollButtonIncrement, int16 thumbScrollIncrement ) = 0;


 // -----------------------------------------------------------

 virtual void SetDrawEndLine( const bool16 willDrawEndLine ) = 0;

 virtual bool16 DrawsEndLine( ) const = 0;

 virtual void SetDrawBorder( const bool16 willDrawBorder ) = 0;
 
 virtual bool16 DrawsBorder( ) const = 0;
};


#endif