--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/uifw/AvKon/aknhlist/src/aknsinglecolumnstylecoredatarow.cpp Tue Feb 02 01:00:49 2010 +0200
@@ -0,0 +1,603 @@
+/*
+* 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 CAknSingleColumnStyleCoreDataRow class.
+*
+*/
+
+
+#include <AknUtils.h>
+#include <layoutmetadata.cdl.h>
+#include <aknlayoutscalable_avkon.cdl.h>
+
+#include "akntree.h"
+#include "aknsinglecolumnstylecoredatarow.h"
+#include "akntreelistinternalconstants.h"
+
+using AknTreeListIconID::KDefault;
+using AknTreeListIconID::KNone;
+
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// Two-phased constructor. Two text columns.
+// ---------------------------------------------------------------------------
+//
+CAknSingleColumnStyleCoreDataRow* CAknSingleColumnStyleCoreDataRow::NewLC(
+ const TDesC& aFirstColumn, const TDesC& aSecondColumn, TUint32 aFlags )
+ {
+ CAknSingleColumnStyleCoreDataRow* self =
+ new ( ELeave ) CAknSingleColumnStyleCoreDataRow( aFlags );
+ CleanupStack::PushL( self );
+ self->ConstructL( aFirstColumn, aSecondColumn );
+ return self;
+ }
+
+
+// ---------------------------------------------------------------------------
+// Two-phased constructor. Three text columns.
+// ---------------------------------------------------------------------------
+//
+CAknSingleColumnStyleCoreDataRow* CAknSingleColumnStyleCoreDataRow::NewLC(
+ const TDesC& aFirstColumn, const TDesC& aSecondColumn,
+ const TDesC& aThirdColumn, TUint32 aFlags )
+ {
+ // By default, the third column is enabled, when core data row is
+ // constructed with this method.
+ aFlags |= EThirdColumnEnabled;
+ CAknSingleColumnStyleCoreDataRow* self =
+ new ( ELeave ) CAknSingleColumnStyleCoreDataRow( aFlags );
+ CleanupStack::PushL( self );
+ self->ConstructL( aFirstColumn, aSecondColumn, aThirdColumn );
+ return self;
+ }
+
+
+// ---------------------------------------------------------------------------
+// Destructor.
+// ---------------------------------------------------------------------------
+//
+CAknSingleColumnStyleCoreDataRow::~CAknSingleColumnStyleCoreDataRow()
+ {
+ delete iFirstColumn;
+ delete iSecondColumn;
+ delete iThirdColumn;
+ }
+
+
+// ---------------------------------------------------------------------------
+// Returns the text set for the specified column of core data row.
+// ---------------------------------------------------------------------------
+//
+const TDesC& CAknSingleColumnStyleCoreDataRow::Text( TInt aColumnIndex ) const
+ {
+ HBufC* text = NULL;
+ switch ( aColumnIndex )
+ {
+ case 0:
+ text = iFirstColumn;
+ break;
+ case 1:
+ text = iSecondColumn;
+ break;
+ case 2:
+ text = iThirdColumn;
+ break;
+ default:
+ break;
+ }
+ return text ? *text : KNullDesC();
+ }
+
+
+// ---------------------------------------------------------------------------
+// Allocates new heap based descriptor for the text, and if the allocation
+// succeeds, deletes the specified descriptor and replaces it with the new.
+// ---------------------------------------------------------------------------
+//
+void CAknSingleColumnStyleCoreDataRow::SetTextL( const TDesC& aText,
+ TInt aColumnIndex, TBool aDrawNow )
+ {
+ HBufC* tmp = aText.AllocLC();
+
+ switch ( aColumnIndex )
+ {
+ case 0:
+ delete iFirstColumn;
+ iFirstColumn = tmp;
+ break;
+
+ case 1:
+ delete iSecondColumn;
+ iSecondColumn = tmp;
+ break;
+
+ case 2:
+ delete iThirdColumn;
+ iThirdColumn = tmp;
+ break;
+
+ default:
+ User::Leave( KErrNotFound );
+ break;
+ }
+
+ CleanupStack::Pop( tmp );
+
+ if ( aDrawNow )
+ {
+ __ASSERT_DEBUG( Root(), User::Invariant() );
+ Root()->ItemModified( this );
+ }
+ }
+
+
+// ---------------------------------------------------------------------------
+// Checks whether the third text column is enabled.
+// ---------------------------------------------------------------------------
+//
+TBool CAknSingleColumnStyleCoreDataRow::IsEmphasised() const
+ {
+ return ( Flags() & EEmphasis ) ? ETrue : EFalse;
+ }
+
+
+// ---------------------------------------------------------------------------
+// Changes the used layout for core data row.
+// ---------------------------------------------------------------------------
+//
+void CAknSingleColumnStyleCoreDataRow::SetEmphasis( TBool aEmphasis,
+ TBool aDrawNow )
+ {
+ SetFlags( aEmphasis ? Flags() | EEmphasis : Flags() & ~EEmphasis );
+
+ if ( aDrawNow )
+ {
+ __ASSERT_DEBUG( Root(), User::Invariant() );
+ Root()->ItemModified( this );
+ }
+ }
+
+
+// ---------------------------------------------------------------------------
+// Checks whether the third text column is enabled.
+// ---------------------------------------------------------------------------
+//
+TBool CAknSingleColumnStyleCoreDataRow::IsThirdColumnEnabled() const
+ {
+ return ( Flags() & EThirdColumnEnabled ) ? ETrue : EFalse;
+ }
+
+
+// ---------------------------------------------------------------------------
+// Enables third text column to be usage in landscape mode.
+// ---------------------------------------------------------------------------
+//
+void CAknSingleColumnStyleCoreDataRow::EnableThirdColumn( TBool aEnable,
+ TBool aDrawNow )
+ {
+ SetFlags( aEnable ? ( Flags() | EThirdColumnEnabled ) :
+ ( Flags() & ~EThirdColumnEnabled ) );
+
+ if ( aDrawNow )
+ {
+ __ASSERT_DEBUG( Root(), User::Invariant() );
+ Root()->ItemModified( this );
+ }
+ }
+
+
+// ---------------------------------------------------------------------------
+// Returns the icon ID set for the specified core data row icon type.
+// ---------------------------------------------------------------------------
+//
+TInt CAknSingleColumnStyleCoreDataRow::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 core data row icon type.
+// ---------------------------------------------------------------------------
+//
+void CAknSingleColumnStyleCoreDataRow::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 CAknSingleColumnStyleCoreDataRow::IconId( TBool aFocused ) const
+ {
+ // Default ID for icon.
+ TInt iconId = KNone;
+
+ // Determines 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 CAknSingleColumnStyleCoreDataRow::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 ( IsMarked() )
+ {
+ if ( aIndex == 0 )
+ {
+ optIconId = aFocused ?
+ AknTreeListIconID::KHighlightedMarkedIndication :
+ AknTreeListIconID::KMarkedIndication;
+ }
+ else if ( aIndex == 1 )
+ {
+ if ( aFocused && iHighlightedOptIcon1 != KDefault )
+ {
+ optIconId = iHighlightedOptIcon1;
+ }
+ else if ( iOptIcon1 != KDefault )
+ {
+ optIconId = iOptIcon1;
+ }
+ else if ( aFocused && iHighlightedOptIcon2 != KDefault )
+ {
+ optIconId = iHighlightedOptIcon2;
+ }
+ else if ( iOptIcon2 != KDefault )
+ {
+ optIconId = iOptIcon2;
+ }
+ }
+ }
+ else
+ {
+ 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 for specified column.
+// ---------------------------------------------------------------------------
+//
+TInt CAknSingleColumnStyleCoreDataRow::TextVariety( TInt aColumnIndex,
+ TInt aOptIconId1, TInt aOptIconId2, TBool aThirdColumnEnabled ) const
+ {
+ TInt variety = KErrNotFound;
+
+ TInt optIconCount = 0;
+ if ( aOptIconId2 != KNone )
+ {
+ optIconCount = 2;
+ }
+ else if ( aOptIconId1 != KNone )
+ {
+ optIconCount = 1;
+ }
+
+ TInt emphasis = IsEmphasised() ? 0 : 3;
+
+ if ( aThirdColumnEnabled )
+ {
+ // Three columns.
+ if ( aColumnIndex == 0 || aColumnIndex == 1 )
+ {
+ variety = 6 + emphasis + optIconCount;
+ }
+ else if ( aColumnIndex == 2 )
+ {
+ variety = 0 + emphasis + optIconCount;
+ }
+ }
+ else
+ {
+ // Two columns.
+ if ( aColumnIndex == 0 || aColumnIndex == 1 )
+ {
+ variety = 0 + emphasis + optIconCount;
+ }
+ }
+
+ return variety;
+ }
+
+
+// ---------------------------------------------------------------------------
+// From class CAknTreeItem.
+// Returns the type of concrete item class.
+// ---------------------------------------------------------------------------
+//
+TInt CAknSingleColumnStyleCoreDataRow::Type() const
+ {
+ return AknTreeList::KSingleColumnStyleCoreDataRow;
+ }
+
+
+// ---------------------------------------------------------------------------
+// From class CAknTreeItem.
+// Returns the minimum size of the core data row.
+// ---------------------------------------------------------------------------
+//
+TSize CAknSingleColumnStyleCoreDataRow::MinimumSize() const
+ {
+ TInt variety = 1;
+ TRect minimumSize = RectFromLayout( TRect(),
+ AknLayoutScalable_Avkon::aid_size_min_msg( variety ) );
+ return minimumSize.Size();
+ }
+
+
+// ---------------------------------------------------------------------------
+// From class CAknTreeItem.
+// Draws the core data row to the appointed graphics context.
+// ---------------------------------------------------------------------------
+//
+void CAknSingleColumnStyleCoreDataRow::Draw( CWindowGc& aGc,
+ const TRect& aItemRect, const TRect& /*aRect*/, TBool aFocused ) const
+ {
+ CAknTree* root = Root();
+ __ASSERT_DEBUG( root, User::Invariant() );
+
+ // Icon.
+ TInt iconVariety = 4; // Arbitrary value!
+ TRect iconRect = RectFromLayout( aItemRect, AknLayoutScalable_Avkon::
+ list_single_2heading_msg_pane_g1( iconVariety ) );
+
+ TInt iconId = IconId( aFocused );
+ 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 );
+
+ // Determine whether third text column is used.
+ TRect threeColumnMinimum = RectFromLayout( aItemRect,
+ AknLayoutScalable_Avkon::aid_size_min_col_2() );
+ TBool threeColumns = IsThirdColumnEnabled() &&
+ Layout_Meta_Data::IsLandscapeOrientation() &&
+ threeColumnMinimum.Width() < aItemRect.Width();
+
+ // First text column.
+ TAknLayoutText layoutText;
+ TInt textVariety = TextVariety( 0, optIconId1, optIconId2, threeColumns );
+ if ( textVariety >= 0 )
+ {
+ layoutText.LayoutText( aItemRect, AknLayoutScalable_Avkon::
+ list_single_2heading_msg_pane_t2( textVariety ).LayoutLine() );
+
+ if ( iFirstColumn )
+ {
+ root->DrawText( aGc, aItemRect, AknLayoutScalable_Avkon::
+ list_single_2heading_msg_pane_t2( textVariety ),
+ *iFirstColumn, NULL, this, aFocused, EFalse );
+ }
+ }
+
+ // Second text column.
+ textVariety = TextVariety( 1, optIconId1, optIconId2, threeColumns );
+ if ( textVariety >= 0 )
+ {
+ layoutText.LayoutText( aItemRect, AknLayoutScalable_Avkon::
+ list_single_2heading_msg_pane_t3( textVariety ).LayoutLine() );
+ if ( iSecondColumn )
+ {
+ root->DrawText( aGc, aItemRect, AknLayoutScalable_Avkon::
+ list_single_2heading_msg_pane_t3( textVariety ),
+ *iSecondColumn, NULL, this, aFocused, EFalse );
+ }
+ }
+
+ // Third text column.
+ textVariety = TextVariety( 2, optIconId1, optIconId2, threeColumns );
+ if ( textVariety >= 0 )
+ {
+ layoutText.LayoutText( aItemRect, AknLayoutScalable_Avkon::
+ list_single_2heading_msg_pane_t4( textVariety ).LayoutLine() );
+ if ( iThirdColumn )
+ {
+ root->DrawText( aGc, aItemRect, AknLayoutScalable_Avkon::
+ list_single_2heading_msg_pane_t4( textVariety ),
+ *iThirdColumn, NULL, this, aFocused, EFalse );
+ }
+ }
+
+ // Optional item state indication icon.
+ TInt optIconVariety1 = 1;
+ TRect optIconRect1 = RectFromLayout( aItemRect, AknLayoutScalable_Avkon::
+ list_single_2heading_msg_pane_g3( 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_2heading_msg_pane_g4( optIconVariety2 ) );
+ if ( optIconId2 != KNone )
+ {
+ root->DrawIcon( optIconId2, optIconRect2.Size(), aGc,
+ optIconRect2.iTl, optIconRect2.Size() );
+ }
+ }
+
+
+// ---------------------------------------------------------------------------
+// From class CAknTreeItem.
+// Handles pointer events.
+// ---------------------------------------------------------------------------
+//
+void CAknSingleColumnStyleCoreDataRow::HandlePointerEventL(
+ const TPointerEvent& /*aPointerEvent*/, const TRect& /*aItemRect*/ )
+ {
+ }
+
+
+// ---------------------------------------------------------------------------
+// C++ constructor.
+// ---------------------------------------------------------------------------
+//
+CAknSingleColumnStyleCoreDataRow::CAknSingleColumnStyleCoreDataRow(
+ TUint32 aFlags )
+ : CAknTreeLeaf( aFlags ),
+ iIcon( KDefault ),
+ iOptIcon1( KDefault ),
+ iOptIcon2( KDefault ),
+ iHighlightedIcon( KDefault ),
+ iHighlightedOptIcon1( KDefault ),
+ iHighlightedOptIcon2( KDefault )
+ {
+ }
+
+
+// ---------------------------------------------------------------------------
+// Second phase constructor. Two text columns.
+// ---------------------------------------------------------------------------
+//
+void CAknSingleColumnStyleCoreDataRow::ConstructL( const TDesC& aFirstColumn,
+ const TDesC& aSecondColumn )
+ {
+ iFirstColumn = aFirstColumn.AllocL();
+ iSecondColumn = aSecondColumn.AllocL();
+ }
+
+
+// ---------------------------------------------------------------------------
+// Second phase constructor. Three text columns.
+// ---------------------------------------------------------------------------
+//
+void CAknSingleColumnStyleCoreDataRow::ConstructL( const TDesC& aFirstColumn,
+ const TDesC& aSecondColumn, const TDesC& aThirdColumn )
+ {
+ iFirstColumn = aFirstColumn.AllocL();
+ iSecondColumn = aSecondColumn.AllocL();
+ iThirdColumn = aThirdColumn.AllocL();
+ }
+