--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/emailuis/uicomponents/inc/fstreeitem.h	Thu Dec 17 08:39:21 2009 +0200
@@ -0,0 +1,189 @@
+/*
+* 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:  Data item classes used by tree list component
+ *
+*/
+
+
+#ifndef C_FSTREEITEM_H
+#define C_FSTREEITEM_H
+
+#include <e32cmn.h>
+#include <e32base.h>
+
+#include "fstreelistconstants.h"
+
+class CFsTreeItem;
+
+/** Array of pointers to the tree items */
+typedef RPointerArray<CFsTreeItem> RFsTreeItemList;
+
+class CFsTreeNode;
+class MFsTreeItemData;
+class MFsTreeItemVisualizer;
+
+
+/**
+ *  CFsTreeItem is a class representing leaf in tree data structure
+ *
+ *  @code
+ *
+ *  @endcode
+ *
+ *  @lib
+ */
+NONSHARABLE_CLASS( CFsTreeItem ) : public CBase
+    {
+public: // Construction
+
+    /**
+     * Two-phased constructor
+     *
+     * @param aParent Reference to the parent node (cannot be NULL!)
+     * @param aData Reference to the item data instance
+     * @param aVisualizer Reference to the item visualizer instance
+     */
+    IMPORT_C static CFsTreeItem* NewL( CFsTreeNode& aParent, MFsTreeItemData& aData,
+            MFsTreeItemVisualizer& aVisualizer);
+
+    /**
+     * Two-phased constructor
+     *
+     * @param aParent Reference to the parent node (cannot be NULL!)
+     * @param aData Reference to the item data class
+     * @param aVisualizer Reference to the item visualizer class
+     */
+    IMPORT_C static CFsTreeItem* NewLC( CFsTreeNode& aParent, MFsTreeItemData& aData,
+            MFsTreeItemVisualizer& aVisualizer);
+
+public: // Item content
+
+    /**
+     * Gets reference to the item visualizer
+     *
+     * @return Reference to the item visualizer
+     */
+    MFsTreeItemVisualizer* ItemVisualizer() const;
+
+    /**
+     * Gets refrence to the item data
+     *
+     * @return Reference to the item data
+     */
+    MFsTreeItemData& ItemData() const;
+
+    /**
+     * Sets visualizer for the item
+     *
+     * @param aVisualizer Reference to the item visualizer
+     */
+    void SetItemVisualizer( MFsTreeItemVisualizer& aVisualizer );
+
+    /**
+     * Sets data for the item
+     *
+     * @param aData Reference to the item data
+     */
+    void SetItemData( MFsTreeItemData& aData );
+
+
+    /**
+     * C++ destructor
+     */
+    ~CFsTreeItem();
+
+public: // Hierchy management
+
+    /**
+     * Checks if tree item is a node
+     *
+     * @return EFalse
+     */
+    virtual TBool IsNode() const;
+
+    /**
+     * Return pointer to node object. Returned value is @c NULL, if the item
+     * is not derived from @c CFsTreeNode.
+     *
+     * @return @c CFsTreeNode pointer, if the item is a node.
+     */
+    virtual CFsTreeNode* Node();
+
+    /**
+     * Gets the parent node of the item
+     *
+     * @return Pointer to the parent node of the item
+     */
+    CFsTreeNode* Parent() const;
+
+    /**
+     * Sets the parent node of the item
+     *
+     * @param aParent Pointer to the parent node
+     */
+    void SetParent( CFsTreeNode& aParent );
+
+    /**
+     * Returns the level of the item in the tree. The returned value matches
+     * the number of parents in the items parent chain.
+     *
+     * @return The level of the item in the tree.
+     */
+    TUint Level() const;
+
+    /**
+     * Returns recursively the number of all children under the node
+     * (NOTE: this method is overriden in class CFsTreeNode)
+     * @return Always 0
+     */
+    virtual TUint CountChildrenRecursively() const;
+
+protected: //Construction
+
+    /**
+     * C++ constructor
+     */
+    CFsTreeItem( CFsTreeNode* aParent, MFsTreeItemData& aData,
+            MFsTreeItemVisualizer& aVisualizer );
+
+    /**
+     * Second phase constructor
+     *
+     */
+    void ConstructL( );
+
+protected: //Data
+
+    /**
+     * Item's parent node
+     * Not own
+     */
+    CFsTreeNode* iParent;
+
+    /**
+     * Item's data
+     * Not own
+     */
+    MFsTreeItemData* iData;
+
+    /**
+     * Item's visualizer
+     * Not own
+     */
+    MFsTreeItemVisualizer* iVisualizer;
+
+    };
+
+#endif // C_FSTREEITEM_H
+