--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uifw/AvKon/aknhlist/src/akntreelistviewitem.cpp	Tue Feb 02 01:00:49 2010 +0200
@@ -0,0 +1,318 @@
+/*
+* Copyright (c) 2006-2009 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 TAknTreeListViewItem class.
+*
+*/
+
+
+#include <AknUtils.h>
+#include <skinlayout.cdl.h>
+#include <aknlayoutscalable_avkon.cdl.h>
+#include <AknsBasicBackgroundControlContext.h>
+#include <AknsDrawUtils.h>
+
+#include "akntreelistview.h"
+#include "akntreelistviewitem.h"
+#include "akntree.h"
+
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// Default C++ constructor.
+// ---------------------------------------------------------------------------
+//
+TAknTreeListViewItem::TAknTreeListViewItem()
+    : iItem( NULL ),
+      iRect(),
+      iLineSegmentRect()
+    {
+    }
+
+
+// ---------------------------------------------------------------------------
+// C++ constructor.
+// ---------------------------------------------------------------------------
+//
+TAknTreeListViewItem::TAknTreeListViewItem( CAknTreeItem* aItem,
+    const TRect& aRect )
+    : iItem( aItem ),
+      iRect( aRect ),
+      iLineSegmentRect()
+    {
+    // Call this to calculate also the line segment rectangle.
+    SetRect( aRect );
+    }
+
+
+// ---------------------------------------------------------------------------
+// Copy constructor.
+// ---------------------------------------------------------------------------
+//
+TAknTreeListViewItem::TAknTreeListViewItem( const TAknTreeListViewItem& aItem )
+    : iItem( aItem.iItem ),
+      iRect( aItem.iRect ),
+      iLineSegmentRect( aItem.iLineSegmentRect )
+    {
+    }
+
+
+// ---------------------------------------------------------------------------
+// Returns the tree item contained in view item.
+// ---------------------------------------------------------------------------
+//
+CAknTreeItem* TAknTreeListViewItem::Item() const
+    {
+    return iItem;
+    }
+
+
+// ---------------------------------------------------------------------------
+// Sets the tree item the view item is representing.
+// ---------------------------------------------------------------------------
+//
+void TAknTreeListViewItem::SetItem( CAknTreeItem* aItem )
+    {
+    iItem = aItem;
+    }
+
+
+// ---------------------------------------------------------------------------
+// Returns the view item rectangle.
+// ---------------------------------------------------------------------------
+//
+TRect TAknTreeListViewItem::Rect() const
+    {
+    return iRect;
+    }
+
+
+// ---------------------------------------------------------------------------
+// Sets the view item rectangle.
+// ---------------------------------------------------------------------------
+//
+void TAknTreeListViewItem::SetRect( const TRect& aRect )
+    {
+    iRect = aRect;
+    
+    // Get rectangle for structure lines.
+    TInt lineVariety = 0; // Type.
+    iLineSegmentRect = CAknTreeListView::RectFromLayout( aRect,
+        AknLayoutScalable_Avkon::list_single_graphic_hl_pane_g1( lineVariety ) );
+    }
+
+
+// ---------------------------------------------------------------------------
+// Returns the rectangle reserved for the tree item.
+// ---------------------------------------------------------------------------
+//
+TRect TAknTreeListViewItem::ItemRect( TInt aViewLevel, TBool aIndention,
+    TInt aIndentionWidth ) const
+    {
+    __ASSERT_DEBUG( aViewLevel >= NULL, User::Invariant() );
+
+    TRect itemRect;
+    if ( iItem )
+        {
+        TInt itemLevel = aIndention ? iItem->Level() : 1;
+        TInt indentLevel = ( itemLevel - 1 ) - aViewLevel;
+        TInt indentWidth = ( aIndentionWidth < 0 ) ?
+            LineSegmentWidth() : aIndentionWidth;
+        TInt indent = indentLevel * indentWidth;
+
+        itemRect = TRect( TPoint( iRect.iTl.iX + indent, iRect.iTl.iY ),
+            TSize( Max( iRect.Width() - indent, iItem->MinimumSize().iWidth ),
+                iRect.Height() ) );
+
+        if ( AknLayoutUtils::LayoutMirrored() )
+            {
+            itemRect.Move( ( iRect.iBr.iX - itemRect.iBr.iX ) - indent, 0 );
+            }
+        }
+    return itemRect;
+    }
+
+
+// ---------------------------------------------------------------------------
+// Returns the rectangle reserved for the tree item highlight.
+// ---------------------------------------------------------------------------
+//
+TRect TAknTreeListViewItem::HighlightRect( TInt aViewLevel,
+    TBool aIndention, TInt aIndentionWidth ) const
+    {
+    TRect highlightRect;
+    if ( iItem )
+        {
+        TRect itemRect( ItemRect( aViewLevel, aIndention, aIndentionWidth ) );
+
+        TInt variety = 0;
+        highlightRect = CAknTreeListView::RectFromLayout( itemRect,
+            AknLayoutScalable_Avkon::list_highlight_pane_cp34( variety ) );
+        }
+    return highlightRect;
+    }
+
+
+// ---------------------------------------------------------------------------
+// Returns the rectangle for tree structure line segment at given index.
+// ---------------------------------------------------------------------------
+//
+TRect TAknTreeListViewItem::LineSegmentRect( TUint aIndex ) const
+    {
+    TRect rect = iLineSegmentRect;
+    if ( AknLayoutUtils::LayoutMirrored() )
+        {
+        rect.Move( -iLineSegmentRect.Width() * aIndex, 0 );
+        }
+    else
+        {
+        rect.Move( iLineSegmentRect.Width() * aIndex, 0 );
+        }
+    return rect;
+    }
+
+
+// ---------------------------------------------------------------------------
+// Returns the width of one tree structure line segment.
+// ---------------------------------------------------------------------------
+//
+TInt TAknTreeListViewItem::LineSegmentWidth() const
+    {
+    return iLineSegmentRect.Width();
+    }
+
+
+// ---------------------------------------------------------------------------
+// Draws the tree structure lines for one list row, highlight, and item.
+// ---------------------------------------------------------------------------
+//
+void TAknTreeListViewItem::Draw( CWindowGc& aGc, CAknTree& aTree,
+    const TRect& aRect, TBool aFocused, TInt aViewLevel, 
+    TBool aStructureLines, TBool aIndention, TInt aIndentionWidth ) const
+    {
+    if ( iItem )
+        {
+        const TRect itemRect =
+            ItemRect( aViewLevel, aIndention, aIndentionWidth );
+
+        // Draw the tree structure lines for the item.
+        TInt itemLevel = aIndention ? iItem->Level() : 1; 
+        TInt indentLevel = ( itemLevel - 1 ) - aViewLevel;
+        if ( aStructureLines && indentLevel > 0 )
+            {
+            const CAknTreeNode* parent = iItem->Parent();
+
+            TRect segmentRect = LineSegmentRect( --indentLevel );
+         
+            if ( parent->Index( iItem ) == parent->ChildCount() - 1 )
+                {
+                DrawLineSegment( aGc, aTree, segmentRect, ELineEnd );
+                }
+            else
+                {
+                DrawLineSegment( aGc, aTree, segmentRect, ELineBranch );
+                }
+ 
+            while ( indentLevel > 0 )
+                {
+                segmentRect = LineSegmentRect( --indentLevel );
+                if ( parent->Parent()->Index( parent ) <
+                     parent->Parent()->ChildCount() - 1 )
+                    {
+                    DrawLineSegment( aGc, aTree, segmentRect, ELineStraight );
+                    }
+                parent = parent->Parent();
+                }
+            }
+
+        TRect intersection = aRect;
+        intersection.Intersection( itemRect );
+        
+        TRect newRect( itemRect );
+        newRect.iBr.iY -= iView->Offset();
+        newRect.iTl.iY -= iView->Offset();
+           
+        iItem->Draw( aGc, newRect, intersection, aFocused );        
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// Mediates pointer events to the contained tree item.
+// ---------------------------------------------------------------------------
+//
+void TAknTreeListViewItem::HandlePointerEventL( 
+    const TPointerEvent& aPointerEvent, TInt aViewLevel, TBool aIndention,
+    TInt aIndentionWidth )
+    {
+    if ( iItem )
+        {
+        TRect itemRect = ItemRect( aViewLevel, aIndention, aIndentionWidth );
+        if ( itemRect.Contains( aPointerEvent.iPosition ) )
+            {
+            iItem->HandlePointerEventL( aPointerEvent, itemRect );
+            }
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// Draws one segment of tree structure lines.
+// ---------------------------------------------------------------------------
+//
+void TAknTreeListViewItem::DrawLineSegment( CWindowGc& aGc, CAknTree& aTree,
+    const TRect& aSegmentRect, TLineSegmentType aType ) const
+    {
+    TRect newRect( aSegmentRect );
+    newRect.iBr.iY -= iView->Offset();
+    newRect.iTl.iY -= iView->Offset();
+        
+    switch( aType )
+        {
+        case ELineStraight:
+            {
+            aTree.DrawIcon( CAknTree::ELineStraightIndication,
+                newRect.Size(), aGc,
+                newRect.iTl, newRect.Size() );
+            break;
+            }
+        case ELineEnd:
+            {
+            aTree.DrawIcon( CAknTree::ELineEndIndication,
+                newRect.Size(), aGc,
+                newRect.iTl, newRect.Size() );
+            break;
+            }
+        case ELineBranch:
+            {
+            aTree.DrawIcon( CAknTree::ELineBranchIndication,
+                newRect.Size(), aGc,
+                newRect.iTl, newRect.Size() );
+            break;
+            }
+        default:
+            break;
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// Sets view
+// ---------------------------------------------------------------------------
+//
+void TAknTreeListViewItem::SetView( CAknTreeListView* aView )
+    {
+    iView = aView;
+    }
+