uifw/AvKon/aknhlist/src/akntreeleaf.cpp
changeset 0 2f259fa3e83a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uifw/AvKon/aknhlist/src/akntreeleaf.cpp	Tue Feb 02 01:00:49 2010 +0200
@@ -0,0 +1,203 @@
+/*
+* Copyright (c) 2006, 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:  Implementation for CAknTreeLeaf class.
+*
+*/
+
+
+#include "akntreeleaf.h"
+
+const TUint KDefaultLeafFlags = NULL;
+
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// Destructor.
+// ---------------------------------------------------------------------------
+//
+CAknTreeLeaf::~CAknTreeLeaf()
+    {
+    }
+
+
+// ---------------------------------------------------------------------------
+// From class CAknTreeItem.
+// ---------------------------------------------------------------------------
+//
+CAknTreeLeaf* CAknTreeLeaf::Leaf()
+    {
+    return this;
+    }
+
+
+const CAknTreeLeaf* CAknTreeLeaf::Leaf() const
+    {
+    return this;
+    }
+
+
+// ---------------------------------------------------------------------------
+// From class CAknTreeItem.
+// Checks whether the leaf is set marked.
+// ---------------------------------------------------------------------------
+//
+TBool CAknTreeLeaf::IsMarked() const
+    {
+    return ( iFlags & EMarked ) ? ETrue : EFalse;
+    }
+
+
+// ---------------------------------------------------------------------------
+// From class CAknTreeItem.
+// Changes the state of the marked flag, if marking change is not disabled.
+// ---------------------------------------------------------------------------
+//
+void CAknTreeLeaf::SetMarked( TBool aMarked )
+    {
+    if ( !( iFlags & EMarkingDisabled ) )
+        {
+        if ( aMarked )
+            {
+            iFlags |= EMarked;
+            }
+        else
+            {
+            iFlags &= ~EMarked;
+            }
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// From class CAknTreeItem.
+// Checks whether marking is enabled.
+// ---------------------------------------------------------------------------
+//
+TBool CAknTreeLeaf::IsMarkable() const
+    {
+    return ( iFlags & EMarkingDisabled ) ? EFalse : ETrue;
+    }
+
+
+// ---------------------------------------------------------------------------
+// From class CAknTreeItem.
+// Changes the state of the marking enabled flag.
+// ---------------------------------------------------------------------------
+//
+void CAknTreeLeaf::SetMarkable( TBool aMarkable )
+    {
+    if ( aMarkable )
+        {
+        iFlags &= ~EMarkingDisabled;
+        }
+    else
+        {
+        iFlags |= EMarkingDisabled;
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// From class CAknTreeItem.
+// Checks whether the leaf is set persistent.
+// ---------------------------------------------------------------------------
+//
+TBool CAknTreeLeaf::IsPersistent() const
+    {
+    return ( iFlags & EPersistent ) ? ETrue : EFalse;
+    }
+
+
+// ---------------------------------------------------------------------------
+// From class CAknTreeItem.
+// Changes the state of the persistent flag.
+// ---------------------------------------------------------------------------
+//
+void CAknTreeLeaf::SetPersistent( TBool aPersistent )
+    {
+    if ( aPersistent )
+        {
+        iFlags |= EPersistent;
+        }
+    else
+        {
+        iFlags &= ~EPersistent;
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// From class CAknTreeItem.
+// Implementation for pure virtual function returns always false, as a leaf
+// can not have any descendants.
+// ---------------------------------------------------------------------------
+//
+TBool CAknTreeLeaf::HasPersistentDescendants() const
+    {
+    return EFalse;
+    }
+
+
+// ---------------------------------------------------------------------------
+// From class CAknTreeItem.
+// Checks whether the item can be removed from the tree when its parent node
+// is being collapsed.
+// ---------------------------------------------------------------------------
+//
+TBool CAknTreeLeaf::IsRemovableFromCollapsedNode() const
+    {
+    return !( IsMarked() || IsPersistent() );
+    }
+
+
+// ---------------------------------------------------------------------------
+// Default C++ constructor.
+// ---------------------------------------------------------------------------
+//
+CAknTreeLeaf::CAknTreeLeaf()
+    : iFlags( KDefaultLeafFlags )
+    {
+    }
+
+
+// ---------------------------------------------------------------------------
+// C++ constructor.
+// ---------------------------------------------------------------------------
+//
+CAknTreeLeaf::CAknTreeLeaf( TUint32 aFlags )
+    : iFlags( aFlags )
+    {
+    }
+
+
+// ---------------------------------------------------------------------------
+// Returns flags set for the leaf.
+// ---------------------------------------------------------------------------
+//
+TUint32 CAknTreeLeaf::Flags() const
+    {
+    return iFlags;
+    }
+
+
+// ---------------------------------------------------------------------------
+// Sets flags for the leaf.
+// ---------------------------------------------------------------------------
+//
+void CAknTreeLeaf::SetFlags( TUint32 aFlags )
+    {
+    iFlags = aFlags;
+    }
+