uifw/AvKon/aknhlist/src/aknsinglecolumnstylesubtitlerow.cpp
changeset 0 2f259fa3e83a
child 7 08e69e956a8c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uifw/AvKon/aknhlist/src/aknsinglecolumnstylesubtitlerow.cpp	Tue Feb 02 01:00:49 2010 +0200
@@ -0,0 +1,346 @@
+/*
+* Copyright (c) 2007-2009 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 CAknSingleColumnStyleSubtitleRow class.
+*
+*/
+
+
+#include <AknUtils.h>
+#include <aknlayoutscalable_avkon.cdl.h>
+
+#include "akntree.h"
+#include "aknsinglecolumnstylesubtitlerow.h"
+#include "akntreelistinternalconstants.h"
+
+using AknTreeListIconID::KDefault;
+using AknTreeListIconID::KNone;
+
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// Two-phased constructor.
+// ---------------------------------------------------------------------------
+//
+CAknSingleColumnStyleSubtitleRow* CAknSingleColumnStyleSubtitleRow::NewLC(
+    const TDesC& aText, TUint32 aFlags )
+    {
+    CAknSingleColumnStyleSubtitleRow* self = 
+        new ( ELeave ) CAknSingleColumnStyleSubtitleRow( aFlags );
+    CleanupStack::PushL( self );
+    self->ConstructL( aText );
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// Destructor.
+// ---------------------------------------------------------------------------
+//
+CAknSingleColumnStyleSubtitleRow::~CAknSingleColumnStyleSubtitleRow()
+    {
+    delete iText;
+    }
+
+
+// ---------------------------------------------------------------------------
+// Returns the text set for the subtitle row.
+// ---------------------------------------------------------------------------
+//
+const TDesC& CAknSingleColumnStyleSubtitleRow::Text() const
+    {
+    return iText ? *iText : KNullDesC();
+    }
+
+
+// ---------------------------------------------------------------------------
+// Allocates new heap based descriptor for the text, and if the allocation
+// succeeds, deletes the old descriptor and replaces it with the new.
+// ---------------------------------------------------------------------------
+//
+void CAknSingleColumnStyleSubtitleRow::SetTextL( const TDesC& aText,
+    TBool aDrawNow  )
+    {
+    HBufC* tmp = aText.AllocL();
+    delete iText;
+    iText = tmp;
+
+    if ( aDrawNow )
+        {
+        __ASSERT_DEBUG( Root(), User::Invariant() );
+        Root()->ItemModified( this );
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// Returns the icon ID set for the specified subtitle row icon type.
+// ---------------------------------------------------------------------------
+//
+TInt CAknSingleColumnStyleSubtitleRow::Icon( TIconType aType ) const
+    {
+    TInt iconId = KDefault;
+    switch ( aType )
+        {
+        case EExpandedIcon:
+            iconId = iExpandedIcon;
+            break;
+
+        case ECollapsedIcon:
+            iconId = iCollapsedIcon;
+            break;
+
+        case EOptIcon:
+            iconId = iOptIcon;
+            break;
+
+        case EHighlightedExpandedIcon:
+            iconId = iHighlightedExpandedIcon;
+            break;
+
+        case EHighlightedCollapsedIcon:
+            iconId = iHighlightedCollapsedIcon;
+            break;
+
+        case EHighlightedOptIcon:
+            iconId = iHighlightedOptIcon;
+            break;
+
+        default:
+            break;
+        }
+    return iconId;
+    }
+
+
+// ---------------------------------------------------------------------------
+//  Sets the icon ID for specified subtitle row icon type.
+// ---------------------------------------------------------------------------
+//
+void CAknSingleColumnStyleSubtitleRow::SetIcon( TIconType aType,
+    TInt aIconId, TBool aDrawNow )
+    {
+    switch( aType )
+        {
+        case EExpandedIcon:
+            iExpandedIcon = aIconId;
+            break;
+        
+        case ECollapsedIcon:
+            iCollapsedIcon = aIconId;
+            break;
+
+        case EOptIcon:
+            iOptIcon = aIconId;
+            break;
+
+        case EHighlightedExpandedIcon:
+            iHighlightedExpandedIcon = aIconId;
+            break;
+
+        case EHighlightedCollapsedIcon:
+            iHighlightedCollapsedIcon = aIconId;
+            break;
+
+        case EHighlightedOptIcon:
+            iHighlightedOptIcon = aIconId;
+            break;
+
+        default:
+            __ASSERT_DEBUG( EFalse, User::Invariant() );
+            break;
+        }
+
+    if ( aDrawNow )
+        {
+        __ASSERT_DEBUG( Root(), User::Invariant() );
+        Root()->ItemModified( this );
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// Icon ID.
+// ---------------------------------------------------------------------------
+//
+TInt CAknSingleColumnStyleSubtitleRow::IconId( TBool aFocused ) const
+    {
+    TInt iconId = KNone;
+    if ( IsExpanded() )
+        {
+        iconId = CAknTree::EOpenFolderIndication;
+        if ( aFocused && iHighlightedExpandedIcon != KDefault )
+            {
+            iconId = iHighlightedExpandedIcon;
+            }
+        else if ( iExpandedIcon != KDefault )
+            {
+            iconId = iExpandedIcon;
+            }
+        }
+    else
+        {
+        iconId = CAknTree::EClosedFolderIndication;
+        if ( aFocused && iHighlightedCollapsedIcon != KDefault )
+            {
+            iconId = iHighlightedCollapsedIcon;
+            }
+        else if ( iCollapsedIcon != KDefault )
+            {
+            iconId = iCollapsedIcon;
+            }
+        }
+    return iconId;
+    }
+
+
+// ---------------------------------------------------------------------------
+// Optional icon ID.
+// ---------------------------------------------------------------------------
+//
+TInt CAknSingleColumnStyleSubtitleRow::OptionalIconId( TBool aFocused ) const
+    {
+    // Default ID for optional icon.
+    TInt iconId = KNone;
+
+    // Determines ID for the optional icon based on focusing, item marking,
+    // and set optional icon IDs.
+    if ( IsMarked() )
+        {
+        iconId = aFocused ? AknTreeListIconID::KHighlightedMarkedIndication :
+            AknTreeListIconID::KMarkedIndication;
+        }
+    else if ( aFocused && iHighlightedOptIcon != KDefault )
+        {
+        iconId = iHighlightedOptIcon;
+        }
+    else if ( iOptIcon != KDefault )
+        {
+        iconId = iOptIcon;
+        }
+
+    return iconId;
+    }
+
+
+// ---------------------------------------------------------------------------
+// From class CAknTreeItem.
+// Returns the type of concrete item class.
+// ---------------------------------------------------------------------------
+//
+TInt CAknSingleColumnStyleSubtitleRow::Type() const
+    {
+    return AknTreeList::KSingleColumnStyleSubtitleRow;
+    }
+
+
+// ---------------------------------------------------------------------------
+// From class CAknTreeItem.
+// Draws the subtitle row to the appointed graphics context.
+// ---------------------------------------------------------------------------
+//
+void CAknSingleColumnStyleSubtitleRow::Draw( CWindowGc& aGc,
+    const TRect& aItemRect, const TRect& /*aRect*/, TBool aFocused ) const
+    {
+    CAknTree* root = Root();
+    __ASSERT_DEBUG( root, User::Invariant() );
+
+    // Icon.
+    TInt iconVariety =  IsMarked() ? 3 : 2;
+    TRect iconRect = RectFromLayout( aItemRect, AknLayoutScalable_Avkon::
+        list_single_2heading_msg_pane_g1( iconVariety ) );
+
+    TInt iconId = IconId( aFocused );
+    
+    if ( iconId != AknTreeListIconID::KNone )
+        {
+        root->DrawIcon( iconId, iconRect.Size(), aGc, iconRect.iTl,
+            iconRect.Size() );
+        }    
+
+    // Non-empty folder indication icon.
+    if ( !IsEmpty() )
+        {
+        TInt indicatorId = IsExpanded() ?
+            CAknTree::ECollapseFunctionIndication :
+            CAknTree::EExpandFunctionIndication;
+
+        root->DrawIcon( indicatorId, iconRect.Size(), aGc, iconRect.iTl,
+            iconRect.Size() );        
+        }
+
+    // Optional icon ID.
+    TInt optIconId = OptionalIconId( aFocused );
+
+    // Text.
+    TAknLayoutText layoutText;
+    TInt textVariety = ( optIconId == KNone ) ? 2 : 3;
+    layoutText.LayoutText( aItemRect, AknLayoutScalable_Avkon::
+        list_single_2heading_msg_pane_t1( textVariety ).LayoutLine() );
+
+    root->DrawText( aGc, aItemRect, AknLayoutScalable_Avkon::
+        list_single_2heading_msg_pane_t1( textVariety ), *iText, NULL,
+        this, aFocused, ETrue );    
+
+    // Optional indication icon.
+    TInt optIconVariety = 1; // Sorting group. Marked.
+    TRect optIconRect = RectFromLayout( aItemRect, AknLayoutScalable_Avkon::
+        list_single_2heading_msg_pane_g2( optIconVariety ) );
+    if ( optIconId != KNone )
+        {
+        root->DrawIcon( optIconId, optIconRect.Size(), aGc,
+            optIconRect.iTl, optIconRect.Size() );
+        }    
+    }
+
+
+// ---------------------------------------------------------------------------
+// From class CAknTreeItem.
+// Handles pointer events.
+// ---------------------------------------------------------------------------
+//
+void CAknSingleColumnStyleSubtitleRow::HandlePointerEventL(
+    const TPointerEvent& /*aPointerEvent*/, const TRect& /*aItemRect*/ )
+    {
+    }
+
+
+// ---------------------------------------------------------------------------
+// C++ constructor.
+// ---------------------------------------------------------------------------
+//
+CAknSingleColumnStyleSubtitleRow::CAknSingleColumnStyleSubtitleRow(
+    TUint32 aFlags )
+    : CAknTreeNode( aFlags ),
+    iExpandedIcon( KDefault ),
+    iCollapsedIcon( KDefault ),
+    iOptIcon( KDefault ),
+    iHighlightedExpandedIcon( KDefault ),
+    iHighlightedCollapsedIcon( KDefault ),
+    iHighlightedOptIcon( KDefault )
+    {
+    }
+
+
+// ---------------------------------------------------------------------------
+// Second phase constructor.
+// ---------------------------------------------------------------------------
+//
+void CAknSingleColumnStyleSubtitleRow::ConstructL( const TDesC& aText )
+    {
+    iText = aText.AllocL();
+    }
+
+
+