uifw/AvKon/src/AknListBoxSettingPage.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 01:00:49 +0200
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Revision: 201003 Kit: 201005
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/*
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* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: 
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* Intermediate class for setting pages with listboxes in them
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*
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*/
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#include "AknListBoxSettingPage.h"
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#include "AknUtils.h"
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#include <gulicon.h>
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#include <AknTasHook.h>
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// Skins support
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#include <AknsDrawUtils.h>
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#include <AknLayout2ScalableDef.h>
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#include <aknlayoutscalable_avkon.cdl.h>
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#include <layoutmetadata.cdl.h>
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#include <aknlists.h>
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//
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// Constructor for CAknListBoxSettingPage
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//
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/**
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*
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* Empty implementation of constructors for the ancestor of listbox-hosting setting pages
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*
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*/
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CAknListBoxSettingPage::CAknListBoxSettingPage( TInt aSettingPageResourceId ) : CAknSettingPage( aSettingPageResourceId )
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	{
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	AKNTASHOOK_ADD( this, "CAknListBoxSettingPage" );
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	}
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CAknListBoxSettingPage::CAknListBoxSettingPage(	
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					const TDesC* aSettingText, 
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					TInt aSettingNumber, 
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					TInt aControlType,
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					TInt aEditorResourceId, 
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					TInt aSettingPageResourceId )
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					:	CAknSettingPage( 
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						aSettingText, 
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						aSettingNumber, 
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						aControlType, 
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						aEditorResourceId, 
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						aSettingPageResourceId ) 
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	{
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	AKNTASHOOK_ADD( this, "CAknListBoxSettingPage" );
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	}
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EXPORT_C void CAknListBoxSettingPage::HandleListBoxEventL(CEikListBox* /*aListBox*/, MEikListBoxObserver::TListBoxEvent /*aEventType*/)
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	{
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	}
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EXPORT_C void CAknListBoxSettingPage::CheckAndSetDataValidity()
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	{
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	if ( ListBoxControl() )
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		{
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		SetDataValidity( ListBoxControl()->Model()->NumberOfItems()  > 0 ); // Even 1 item is OK. Might not be selected!
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		}
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	}
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EXPORT_C void CAknListBoxSettingPage::UpdateCbaL()
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	{
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	CAknSettingPage::UpdateCbaL();
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	}
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EXPORT_C void CAknListBoxSettingPage::SizeChanged ()
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	{
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	StandardSettingPageLayout();  // Must be part of any re-implementation
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	CEikListBox* listbox = ListBoxControl();
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    TRect rect( SettingItemContentRect( ETrue ) );
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	TRect totalRect( rect );
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	if ( listbox )
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	    {
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	    // The maximum lines for the listbox.
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        TAknLayoutScalableParameterLimits listBoxLimits(
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            AknLayoutScalable_Avkon::list_set_graphic_pane_copy1_ParamLimits() );
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        TInt maxNumberOfRows = listBoxLimits.LastRow() + 1;
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        TInt numItemsShown = Min( listbox->Model()->NumberOfItems(),
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                                  maxNumberOfRows );
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        // The layout for max items is used for empty note display.
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        if ( numItemsShown == 0 )
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            {
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            numItemsShown = maxNumberOfRows;
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            }
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        // Transparent setting page has different layout data
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        // for both portrait and landscape
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        if ( !IsBackgroundDrawingEnabled() )
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            {
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            // Transparent does not have as many items as normal list.
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            if ( numItemsShown > 6 )
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                {
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                numItemsShown = 6;
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                }
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            numItemsShown += 6; // skip the normal varieties
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            }
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        else
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            {
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            if ( numItemsShown > 6 )
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                {
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                numItemsShown += 12; // skip the transparent varieties
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                }
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            }
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        AknLayoutUtils::LayoutControl(
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            listbox,
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            rect, 
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            AknLayoutScalable_Avkon::list_set_pane_copy1(
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                numItemsShown - 1 ) );
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        totalRect = listbox->Rect();
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        // Note the scrollbar is not showing in transparent setting page.
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        AknLayoutUtils::LayoutVerticalScrollBar(
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            listbox->ScrollBarFrame(),
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            Rect(),
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            TAknWindowComponentLayout::Compose(
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                AknLayoutScalable_Avkon::settings_container_pane(),
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                TAknWindowComponentLayout::Compose(
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                    AknLayoutScalable_Avkon::listscroll_set_pane_copy1(),
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                    AknLayoutScalable_Avkon::scroll_pane_cp121_copy1() ) ) );
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	    }
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	TAknLayoutRect layoutRect;
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	layoutRect.LayoutRect(
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	    totalRect,
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        AknLayoutScalable_Avkon::set_opt_bg_pane_g1_copy1() );
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    SetEditedItemFrameRects( totalRect, layoutRect.Rect() );
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	}
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EXPORT_C void CAknListBoxSettingPage::Draw(const TRect& aRect) const
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	{
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	CAknSettingPage::BaseDraw(aRect);
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	}
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TBool CAknListBoxSettingPage::FocusToSelectedItem()
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	{
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	return !FocusToFirstItem(); // This determines whether to use FocusToFirstItem or FocusToSelectedItem.
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	}
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TBool CAknListBoxSettingPage::FocusToFirstItem()
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	{
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	return EFalse; 
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	}
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void CAknListBoxSettingPage::CreateIconAndAddToArrayL(
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    CArrayPtr<CGulIcon>*& aIconArray,
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    const TAknsItemID& aId,
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    const TInt aColorIndex,
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    const TDesC& aBmpFile,
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    const TInt32 aBmp,
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    const TInt32 aBmpM )
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    {
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    MAknsSkinInstance* skin = AknsUtils::SkinInstance();
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    CFbsBitmap* bitmap = 0;
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    CFbsBitmap* mask = 0;
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    AknsUtils::CreateColorIconLC( skin,
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                                  aId,
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                                  KAknsIIDQsnIconColors,
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                                  aColorIndex,
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                                  bitmap,
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                                  mask,
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                                  aBmpFile,
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                                  aBmp,
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                                  aBmpM,
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                                  KRgbBlack );
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    CGulIcon* gulicon = CGulIcon::NewL( bitmap, mask ); // ownership passed
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    CleanupStack::PushL( gulicon );
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    aIconArray->AppendL( gulicon );
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    CleanupStack::Pop( 3 ); // mask, bitmap, gulicon
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    }
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/**
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* CAknListBoxSettingPage reserved methods
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*/
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EXPORT_C void CAknListBoxSettingPage::CAknListBoxSettingPage_Reserved_1()
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	{
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	}
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// End of File