/*

* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  Freestyle tree item implementation

*

*/

#include "emailtrace.h"

#include <e32const.h>

#include "fstreeitem.h"

#include "fstreeitemdata.h"

#include "fstreeitemvisualizer.h"

#include "fstreenode.h"

// ======== MEMBER FUNCTIONS ========

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

// Two-phased constructor.

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

//

EXPORT_C CFsTreeItem* CFsTreeItem::NewL( CFsTreeNode& aParent,

    MFsTreeItemData& aData, MFsTreeItemVisualizer& aVisualizer )

    {

    FUNC_LOG;

    CFsTreeItem* self = CFsTreeItem::NewLC( aParent, aData, aVisualizer );

    CleanupStack::Pop( self );

    return self;

    }

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

// Two-phased constructor.

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

//

EXPORT_C CFsTreeItem* CFsTreeItem::NewLC( CFsTreeNode& aParent,

    MFsTreeItemData& aData, MFsTreeItemVisualizer& aVisualizer )

    {

    FUNC_LOG;

    CFsTreeItem* self = new( ELeave ) CFsTreeItem( &aParent, aData,

                                                   aVisualizer );

    CleanupStack::PushL( self );

    self->ConstructL( );

    return self;

    }

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

// C++ destructor.

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

//

CFsTreeItem::~CFsTreeItem()

    {

    FUNC_LOG;

    delete iData;

    delete iVisualizer;

    }

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

// Gets reference to item visualizer.

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

//

MFsTreeItemVisualizer* CFsTreeItem::ItemVisualizer() const

	{

    FUNC_LOG;

	return iVisualizer;

	}

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

// Gets reference to item data.

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

//

MFsTreeItemData& CFsTreeItem::ItemData() const

	{

    FUNC_LOG;

	return *iData;

	}

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

// Sets item visualizer object.

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

//

void CFsTreeItem::SetItemVisualizer( MFsTreeItemVisualizer& aVisualizer )

	{

    FUNC_LOG;

	iVisualizer = &aVisualizer;

	}

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

// Sets item data object.

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

//

void CFsTreeItem::SetItemData( MFsTreeItemData& aData )

	{

    FUNC_LOG;

	iData = &aData;

	}

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

// Returns EFalse since item is not a node.

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

//

TBool CFsTreeItem::IsNode() const

	{

    FUNC_LOG;

	return EFalse;

	}

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

// Returns NULL since the item is not a node.

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

//

CFsTreeNode* CFsTreeItem::Node()

    {

    FUNC_LOG;

    return NULL;

    }

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

// Gets the pointer to parent node of the item.

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

//

CFsTreeNode* CFsTreeItem::Parent() const

    {

    FUNC_LOG;

    return iParent;

    }

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

// Sets parent node for the item.

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

//

void CFsTreeItem::SetParent( CFsTreeNode& aParent )

	{

    FUNC_LOG;

	iParent = &aParent;

	}

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

// Returns the level of the item in tree structure.

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

//

TUint CFsTreeItem::Level() const

    {

    FUNC_LOG;

    TUint itemLevel = 0;

    CFsTreeNode* parent = iParent;

    while ( parent )

        {

        itemLevel++;

        parent = parent->Parent();

        }

    return itemLevel;

    }

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

//

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

//

TUint CFsTreeItem::CountChildrenRecursively() const

    {

    // return always 0 here.

    // NOTE: this is overridden in child class CFsTreeNode!

    return 0;

    }

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

//  C++ constructor.

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

//

CFsTreeItem::CFsTreeItem( CFsTreeNode* aParent, MFsTreeItemData& aData,

    MFsTreeItemVisualizer& aVisualizer )

    : iParent( aParent ),

      iData( &aData ),

      iVisualizer( &aVisualizer )

    {

    FUNC_LOG;

    }

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

//  Second phase constructor.

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

//

void CFsTreeItem::ConstructL( )

    {

    FUNC_LOG;

    }