--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/uifw/AvKon/aknhlist/src/aknsinglestyletreeleaf.cpp Tue Feb 02 01:00:49 2010 +0200
@@ -0,0 +1,380 @@
+/*
+* 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 CAknSingleStyleTreeLeaf class.
+*
+*/
+
+
+#include <AknUtils.h>
+#include <aknlayoutscalable_avkon.cdl.h>
+
+#include "aknsinglestyletreeleaf.h"
+#include "akntree.h"
+#include "akntreelistinternalconstants.h"
+
+using AknTreeListIconID::KDefault;
+using AknTreeListIconID::KNone;
+
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// Two-phased constructor.
+// ---------------------------------------------------------------------------
+//
+CAknSingleStyleTreeLeaf* CAknSingleStyleTreeLeaf::NewL( const TDesC& aText,
+ TUint32 aFlags )
+ {
+ CAknSingleStyleTreeLeaf* self = CAknSingleStyleTreeLeaf::NewLC( aText,
+ aFlags );
+ CleanupStack::Pop( self );
+ return self;
+ }
+
+
+// ---------------------------------------------------------------------------
+// Two-phased constructor.
+// ---------------------------------------------------------------------------
+//
+CAknSingleStyleTreeLeaf* CAknSingleStyleTreeLeaf::NewLC( const TDesC& aText,
+ TUint32 aFlags )
+ {
+ CAknSingleStyleTreeLeaf* self =
+ new ( ELeave ) CAknSingleStyleTreeLeaf( aFlags );
+ CleanupStack::PushL( self );
+ self->ConstructL( aText );
+ return self;
+ }
+
+
+// ---------------------------------------------------------------------------
+// Destructor.
+// ---------------------------------------------------------------------------
+//
+CAknSingleStyleTreeLeaf::~CAknSingleStyleTreeLeaf()
+ {
+ delete iText;
+ }
+
+
+// ---------------------------------------------------------------------------
+// Returns the text set for the leaf.
+// ---------------------------------------------------------------------------
+//
+const TDesC& CAknSingleStyleTreeLeaf::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 CAknSingleStyleTreeLeaf::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 tree leaf icon type.
+// ---------------------------------------------------------------------------
+//
+TInt CAknSingleStyleTreeLeaf::Icon( TIconType aType ) const
+ {
+ TInt iconId = KDefault;
+ switch ( aType )
+ {
+ case EIcon:
+ iconId = iIcon;
+ break;
+
+ case EOptIcon1:
+ iconId = iOptIcon1;
+ break;
+
+ case EOptIcon2:
+ iconId = iOptIcon2;
+ break;
+
+ case EHighlightedIcon:
+ iconId = iHighlightedIcon;
+ break;
+
+ case EHighlightedOptIcon1:
+ iconId = iHighlightedOptIcon1;
+ break;
+
+ case EHighlightedOptIcon2:
+ iconId = iHighlightedOptIcon2;
+ break;
+
+ default:
+ break;
+ }
+ return iconId;
+ }
+
+
+// ---------------------------------------------------------------------------
+// Sets the icon ID for specified tree leaf icon type.
+// ---------------------------------------------------------------------------
+//
+void CAknSingleStyleTreeLeaf::SetIcon( TIconType aType, TInt aIconId,
+ TBool aDrawNow )
+ {
+ switch( aType )
+ {
+ case EIcon:
+ iIcon = aIconId;
+ break;
+
+ case EOptIcon1:
+ iOptIcon1 = aIconId;
+ break;
+
+ case EOptIcon2:
+ iOptIcon2 = aIconId;
+ break;
+
+ case EHighlightedIcon:
+ iHighlightedIcon = aIconId;
+ break;
+
+ case EHighlightedOptIcon1:
+ iHighlightedOptIcon1 = aIconId;
+ break;
+
+ case EHighlightedOptIcon2:
+ iHighlightedOptIcon2 = aIconId;
+ break;
+
+ default:
+ __ASSERT_DEBUG( EFalse, User::Invariant() );
+ break;
+ }
+
+ if ( aDrawNow )
+ {
+ __ASSERT_DEBUG( Root(), User::Invariant() );
+ Root()->ItemModified( this );
+ }
+ }
+
+
+// ---------------------------------------------------------------------------
+// Icon ID.
+// ---------------------------------------------------------------------------
+//
+TInt CAknSingleStyleTreeLeaf::IconId( TBool aFocused ) const
+ {
+ // Default ID for icon.
+ TInt iconId = CAknTree::EDefaultFileIndication;
+
+ // Determine ID for the icon based on focusing and set IDs.
+ if ( aFocused && iHighlightedIcon != KDefault )
+ {
+ iconId = iHighlightedIcon;
+ }
+ else if ( iIcon != KDefault )
+ {
+ iconId = iIcon;
+ }
+
+ return iconId;
+ }
+
+
+// ---------------------------------------------------------------------------
+// Optional icon ID.
+// ---------------------------------------------------------------------------
+//
+TInt CAknSingleStyleTreeLeaf::OptionalIconId( TInt aIndex,
+ TBool aFocused ) const
+ {
+ __ASSERT_DEBUG( aIndex == 0 || aIndex == 1, User::Invariant() );
+
+ // Default ID for optional icon.
+ TInt optIconId = AknTreeListIconID::KNone;
+
+ // Determine ID for specified optional icon.
+ if ( aIndex == 0 )
+ {
+ if ( aFocused && iHighlightedOptIcon1 != KDefault )
+ {
+ optIconId = iHighlightedOptIcon1;
+ }
+ else if ( iOptIcon1 != KDefault )
+ {
+ optIconId = iOptIcon1;
+ }
+ }
+ else if ( aIndex == 1 )
+ {
+ if ( aFocused && iHighlightedOptIcon2 != KDefault )
+ {
+ optIconId = iHighlightedOptIcon2;
+ }
+ else if ( iOptIcon2 != KDefault )
+ {
+ optIconId = iOptIcon2;
+ }
+ }
+
+ return optIconId;
+ }
+
+
+// ---------------------------------------------------------------------------
+// Text variety depending on optional icons.
+// ---------------------------------------------------------------------------
+//
+TInt CAknSingleStyleTreeLeaf::TextVariety( TInt aOptIconId1,
+ TInt aOptIconId2 ) const
+ {
+ TInt textVariety = 0;
+ if ( aOptIconId1 != AknTreeListIconID::KNone )
+ {
+ textVariety = 1;
+ }
+ if ( aOptIconId2 != AknTreeListIconID::KNone )
+ {
+ textVariety = 2;
+ }
+ return textVariety;
+ }
+
+
+// ---------------------------------------------------------------------------
+// From class CAknTreeItem.
+// Returns the type of concrete item class.
+// ---------------------------------------------------------------------------
+//
+TInt CAknSingleStyleTreeLeaf::Type() const
+ {
+ return AknTreeList::KSingleStyleTreeLeaf;
+ }
+
+
+// ---------------------------------------------------------------------------
+// From class CAknTreeItem.
+// Draws the tree leaf to appointed graphics context.
+// ---------------------------------------------------------------------------
+//
+void CAknSingleStyleTreeLeaf::Draw( CWindowGc& aGc, const TRect& aItemRect,
+ const TRect& /*aRect*/, TBool aFocused ) const
+ {
+ CAknTree* root = Root();
+ __ASSERT_DEBUG( root, User::Invariant() );
+
+ // Icon.
+ TInt iconVariety = 0; // Arbitrarily selected variety.
+ TRect iconRect = RectFromLayout( aItemRect, AknLayoutScalable_Avkon::
+ list_single_graphic_hl_pane_g2( iconVariety ) );
+
+ TInt iconId = IconId( aFocused );
+ // Dragging/flicking
+
+ if ( iIcon != AknTreeListIconID::KNone )
+ {
+ root->DrawIcon( iconId, iconRect.Size(), aGc, iconRect.iTl,
+ iconRect.Size() );
+ }
+
+ // Optional icon IDs.
+ TInt optIconId1 = OptionalIconId( 0, aFocused );
+ TInt optIconId2 = OptionalIconId( 1, aFocused );
+
+ // Text variety is set according to required optional icons.
+ TInt textVariety = TextVariety( optIconId1, optIconId2 );
+
+ // Text.
+ TAknLayoutText layoutText;
+ layoutText.LayoutText( aItemRect, AknLayoutScalable_Avkon::
+ list_single_graphic_hl_pane_t1( textVariety ).LayoutLine() );
+
+ root->DrawText( aGc, aItemRect, AknLayoutScalable_Avkon::
+ list_single_graphic_hl_pane_t1( textVariety ), *iText, NULL, this,
+ aFocused, ETrue );
+
+ // Optional item state indication icon.
+ TInt optIconVariety1 = 1;
+ TRect optIconRect1 = RectFromLayout( aItemRect, AknLayoutScalable_Avkon::
+ list_single_graphic_hl_pane_g4( optIconVariety1 ) );
+
+ if ( optIconId1 != KNone )
+ {
+ root->DrawIcon( optIconId1, optIconRect1.Size(), aGc,
+ optIconRect1.iTl, optIconRect1.Size() );
+ }
+
+ // Another optional item state indication icon.
+ TInt optIconVariety2 = 1;
+ TRect optIconRect2 = RectFromLayout( aItemRect, AknLayoutScalable_Avkon::
+ list_single_graphic_hl_pane_g5( optIconVariety2 ) );
+
+ if ( optIconId2 != KNone )
+ {
+ root->DrawIcon( optIconId2, optIconRect2.Size(), aGc,
+ optIconRect2.iTl, optIconRect2.Size() );
+ }
+ }
+
+
+// ---------------------------------------------------------------------------
+// From class CAknTreeItem.
+// Handles pointer events.
+// ---------------------------------------------------------------------------
+//
+void CAknSingleStyleTreeLeaf::HandlePointerEventL(
+ const TPointerEvent& /*aPointerEvent*/, const TRect& /*aItemRect*/ )
+ {
+ }
+
+
+// ---------------------------------------------------------------------------
+// C++ constructor.
+// ---------------------------------------------------------------------------
+//
+CAknSingleStyleTreeLeaf::CAknSingleStyleTreeLeaf( TUint32 aFlags )
+ : CAknTreeLeaf( aFlags ),
+ iIcon( KDefault ),
+ iOptIcon1( KDefault ),
+ iOptIcon2( KDefault ),
+ iHighlightedIcon( KDefault ),
+ iHighlightedOptIcon1( KDefault ),
+ iHighlightedOptIcon2( KDefault )
+ {
+ }
+
+
+// ---------------------------------------------------------------------------
+// Second phase constructor.
+// ---------------------------------------------------------------------------
+//
+void CAknSingleStyleTreeLeaf::ConstructL( const TDesC& aText )
+ {
+ iText = aText.AllocL();
+ }
+