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/*
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===================================================================================================
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Name : NPRSearchStationListBox.cpp
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Author : Symsource
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Copyright (c) 2009 Symbian Foundation Ltd
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This component and the accompanying materials are made available
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under the terms of the License "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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Initial Contributors:
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- Symsource
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Contributors:
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- Symsource
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Description : Container for Series60 single style list box to show the NPR's station search options
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===================================================================================================
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*/
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#include <barsread.h>
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#include <aknlists.h>
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#include <eikclbd.h>
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#include <aknviewappui.h>
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#include <AknQueryDialog.h>
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#include <NPR_0xEEB0E481.rsg>
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#include "NPRSearchStationListBox.h"
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#include "NPRSearchStationListBoxView.h"
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#include "NPR.hrh"
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#include "NPRAppUi.h"
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#include "NPRAppEngine.h"
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TInt ShowQueryDialogL(const TDesC& aTitle, TDes& aBuffer)
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{
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CAknTextQueryDialog* Dialog = CAknTextQueryDialog::NewL(aBuffer,CAknQueryDialog::ENoTone);
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Dialog->PrepareLC(R_ASK_NAME_DIALOG);
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Dialog->SetPromptL(aTitle);
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return Dialog->RunLD();
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}
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/**
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* First phase of Symbian two-phase construction. Should not
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* contain any code that could leave.
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*/
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CNPRSearchStationListBox::CNPRSearchStationListBox()
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{
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iListBox = NULL;
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}
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/**
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* Destroy child controls.
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*/
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CNPRSearchStationListBox::~CNPRSearchStationListBox()
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{
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delete iListBox;
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iListBox = NULL;
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}
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/**
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* Construct the control (first phase).
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* Creates an instance and initializes it.
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* Instance is not left on cleanup stack.
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* @param aRect bounding rectangle
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* @param aParent owning parent, or NULL
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* @param aCommandObserver command observer
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* @return initialized instance of CNPRSearchStationListBox
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*/
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CNPRSearchStationListBox* CNPRSearchStationListBox::NewL(
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const TRect& aRect,
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const CCoeControl* aParent,
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MEikCommandObserver* aCommandObserver )
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{
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CNPRSearchStationListBox* self = CNPRSearchStationListBox::NewLC(
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aRect,
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aParent,
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aCommandObserver );
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CleanupStack::Pop( self );
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return self;
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}
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/**
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* Construct the control (first phase).
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* Creates an instance and initializes it.
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* Instance is left on cleanup stack.
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* @param aRect The rectangle for this window
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* @param aParent owning parent, or NULL
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* @param aCommandObserver command observer
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* @return new instance of CNPRSearchStationListBox
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*/
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CNPRSearchStationListBox* CNPRSearchStationListBox::NewLC(
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const TRect& aRect,
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const CCoeControl* aParent,
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MEikCommandObserver* aCommandObserver )
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{
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CNPRSearchStationListBox* self = new ( ELeave ) CNPRSearchStationListBox();
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CleanupStack::PushL( self );
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self->ConstructL( aRect, aParent, aCommandObserver );
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return self;
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}
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/**
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* Construct the control (second phase).
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* Creates a window to contain the controls and activates it.
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* @param aRect bounding rectangle
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* @param aCommandObserver command observer
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* @param aParent owning parent, or NULL
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*/
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void CNPRSearchStationListBox::ConstructL(
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const TRect& aRect,
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const CCoeControl* aParent,
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MEikCommandObserver* aCommandObserver )
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{
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if ( aParent == NULL )
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{
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CreateWindowL();
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}
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else
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{
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SetContainerWindowL( *aParent );
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}
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iFocusControl = NULL;
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iCommandObserver = aCommandObserver;
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InitializeControlsL();
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SetRect( aRect );
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ActivateL();
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}
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/**
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* Return the number of controls in the container (override)
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* @return count
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*/
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TInt CNPRSearchStationListBox::CountComponentControls() const
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{
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return ( int ) ELastControl;
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}
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/**
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* Get the control with the given index (override)
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* @param aIndex Control index [0...n) (limited by #CountComponentControls)
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* @return Pointer to control
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*/
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CCoeControl* CNPRSearchStationListBox::ComponentControl( TInt aIndex ) const
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{
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switch ( aIndex )
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{
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case EListBox:
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return iListBox;
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}
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return NULL;
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}
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/**
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* Handle resizing of the container. This implementation will lay out
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* full-sized controls like list boxes for any screen size, and will layout
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* labels, editors, etc. to the size they were given in the UI designer.
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* This code will need to be modified to adjust arbitrary controls to
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* any screen size.
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*/
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void CNPRSearchStationListBox::SizeChanged()
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{
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CCoeControl::SizeChanged();
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LayoutControls();
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}
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/**
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* Layout components as specified in the UI Designer
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*/
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void CNPRSearchStationListBox::LayoutControls()
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{
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iListBox->SetExtent( TPoint( 0, 0 ), iListBox->MinimumSize() );
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}
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void CNPRSearchStationListBox::SendStationQueryL()
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{
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TInt index = CurrentItemIndex();
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switch(index)
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{
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case EZipCode:
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{
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TBuf<16> zipCode;
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ShowQueryDialogL(_L("ZIP Code"),zipCode);
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if(zipCode.Length() != 0)
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{
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TBuf<32> zipCodeFormat;
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zipCodeFormat.Format(KNPRZipQuery,&zipCode);
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static_cast<CNPRAppUi*>(CEikonEnv::Static()->EikAppUi())->Engine().SendNPRCommandL(EStationsCmd, zipCodeFormat);
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}
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break;
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}
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case ECurrentLocation:
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{
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TBuf<32> zipCodeFormat;
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zipCodeFormat.Format(KNPRZipQuery,&KNPRCurrentLocationZip());
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static_cast<CNPRAppUi*>(CEikonEnv::Static()->EikAppUi())->Engine().SendNPRCommandL(EStationsCmd, zipCodeFormat);
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break;
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}
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case ECityName:
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{
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break;
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}
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case EShowAll:
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{
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break;
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}
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default:
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break;
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}
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}
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/**
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* Handle key events.
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*/
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TKeyResponse CNPRSearchStationListBox::OfferKeyEventL(
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const TKeyEvent& aKeyEvent,
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TEventCode aType )
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{
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if ( aKeyEvent.iCode == EKeyLeftArrow
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|| aKeyEvent.iCode == EKeyRightArrow )
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{
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// Listbox takes all events even if it doesn't use them
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return EKeyWasNotConsumed;
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}
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if ( aKeyEvent.iCode == EKeyDevice3)
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{
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SendStationQueryL();
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}
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if ( iFocusControl != NULL
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&& iFocusControl->OfferKeyEventL( aKeyEvent, aType ) == EKeyWasConsumed )
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{
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return EKeyWasConsumed;
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}
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return CCoeControl::OfferKeyEventL( aKeyEvent, aType );
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}
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/**
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* Initialize each control upon creation.
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*/
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void CNPRSearchStationListBox::InitializeControlsL()
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{
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iListBox = new ( ELeave ) CAknSingleStyleListBox;
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iListBox->SetContainerWindowL( *this );
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{
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TResourceReader reader;
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iEikonEnv->CreateResourceReaderLC( reader, R_NPRSEARCH_STATION_LIST_BOX_LIST_BOX );
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iListBox->ConstructFromResourceL( reader );
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CleanupStack::PopAndDestroy(); // reader internal state
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}
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// the listbox owns the items in the list and will free them
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iListBox->Model()->SetOwnershipType( ELbmOwnsItemArray );
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// setup the icon array so graphics-style boxes work
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SetupListBoxIconsL();
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// add list items
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// add list items
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AddListBoxResourceArrayItemL(R_NPRSEARCH_STATION_LIST_BOX_ITEM1, EListBoxFirstUserImageIndex );
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AddListBoxResourceArrayItemL(R_NPRSEARCH_STATION_LIST_BOX_ITEM2, EListBoxFirstUserImageIndex );
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AddListBoxResourceArrayItemL(R_NPRSEARCH_STATION_LIST_BOX_ITEM3, EListBoxFirstUserImageIndex );
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AddListBoxResourceArrayItemL(R_NPRSEARCH_STATION_LIST_BOX_ITEM4, EListBoxFirstUserImageIndex );
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iListBox->SetFocus( ETrue );
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iFocusControl = iListBox;
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}
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/**
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* Handle global resource changes, such as scalable UI or skin events (override)
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*/
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void CNPRSearchStationListBox::HandleResourceChange( TInt aType )
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{
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CCoeControl::HandleResourceChange( aType );
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SetRect( iAvkonViewAppUi->View( TUid::Uid( ENPRSearchStationListBoxViewId ) )->ClientRect() );
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}
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/**
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* Draw container contents.
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*/
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void CNPRSearchStationListBox::Draw( const TRect& aRect ) const
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{
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CWindowGc& gc = SystemGc();
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gc.Clear( aRect );
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}
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/**
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* Add a list box item to a list.
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*/
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void CNPRSearchStationListBox::AddListBoxItemL(
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CEikTextListBox* aListBox,
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const TDesC& aString )
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{
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CTextListBoxModel* model = aListBox->Model();
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CDesCArray* itemArray = static_cast< CDesCArray* > ( model->ItemTextArray() );
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itemArray->AppendL( aString );
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aListBox->HandleItemAdditionL();
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}
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/**
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* Get the array of selected item indices, with respect to the list model.
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* The array is sorted in ascending order.
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* The array should be destroyed with two calls to CleanupStack::PopAndDestroy(),
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* the first with no argument (referring to the internal resource) and the
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* second with the array pointer.
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* @return newly allocated array, which is left on the cleanup stack;
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* or NULL for empty list.
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*/
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RArray< TInt >* CNPRSearchStationListBox::GetSelectedListBoxItemsLC( CEikTextListBox* aListBox )
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{
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CAknFilteredTextListBoxModel* model =
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static_cast< CAknFilteredTextListBoxModel *> ( aListBox->Model() );
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if ( model->NumberOfItems() == 0 )
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return NULL;
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// get currently selected indices
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const CListBoxView::CSelectionIndexArray* selectionIndexes =
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aListBox->SelectionIndexes();
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TInt selectedIndexesCount = selectionIndexes->Count();
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if ( selectedIndexesCount == 0 )
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return NULL;
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// copy the indices and sort numerically
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RArray<TInt>* orderedSelectedIndices =
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new (ELeave) RArray< TInt >( selectedIndexesCount );
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// push the allocated array
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CleanupStack::PushL( orderedSelectedIndices );
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// dispose the array resource
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CleanupClosePushL( *orderedSelectedIndices );
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// see if the search field is enabled
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CAknListBoxFilterItems* filter = model->Filter();
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if ( filter != NULL )
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{
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// when filtering enabled, translate indices back to underlying model
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for ( TInt idx = 0; idx < selectedIndexesCount; idx++ )
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{
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TInt filteredItem = ( *selectionIndexes ) [ idx ];
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TInt actualItem = filter->FilteredItemIndex ( filteredItem );
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orderedSelectedIndices->InsertInOrder( actualItem );
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}
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}
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else
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{
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// the selection indices refer directly to the model
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for ( TInt idx = 0; idx < selectedIndexesCount; idx++ )
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orderedSelectedIndices->InsertInOrder( ( *selectionIndexes ) [ idx ] );
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}
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return orderedSelectedIndices;
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}
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/**
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* Delete the selected item or items from the list box.
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*/
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void CNPRSearchStationListBox::DeleteSelectedListBoxItemsL( CEikTextListBox* aListBox )
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{
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CAknFilteredTextListBoxModel* model =
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static_cast< CAknFilteredTextListBoxModel *> ( aListBox->Model() );
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if ( model->NumberOfItems() == 0 )
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return;
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RArray< TInt >* orderedSelectedIndices = GetSelectedListBoxItemsLC( aListBox );
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if ( !orderedSelectedIndices )
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return;
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// Delete selected items from bottom up so indices don't change on us
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CDesCArray* itemArray = static_cast< CDesCArray* > ( model->ItemTextArray() );
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TInt currentItem = 0;
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for ( TInt idx = orderedSelectedIndices->Count(); idx-- > 0; )
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{
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currentItem = ( *orderedSelectedIndices )[ idx ];
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itemArray->Delete ( currentItem );
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}
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// dispose the array resources
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CleanupStack::PopAndDestroy();
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// dispose the array pointer
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CleanupStack::PopAndDestroy( orderedSelectedIndices );
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// refresh listbox's cursor now that items are deleted
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AknListBoxUtils::HandleItemRemovalAndPositionHighlightL(
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aListBox, currentItem, ETrue );
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}
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/**
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* Get the listbox.
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*/
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CAknSingleStyleListBox* CNPRSearchStationListBox::ListBox()
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{
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return iListBox;
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}
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/**
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* Create a list box item with the given column values.
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*/
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void CNPRSearchStationListBox::CreateListBoxItemL( TDes& aBuffer,
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TInt aIconIndex,
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const TDesC& aMainText )
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{
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_LIT ( KStringHeader, "%d\t%S" );
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aBuffer.Format( KStringHeader(), aIconIndex, &aMainText );
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}
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/**
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* Add an item to the list by reading the text items from the array resource
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* and setting a single image property (if available) from an index
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* in the list box's icon array.
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* @param aResourceId id of an ARRAY resource containing the textual
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* items in the columns
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* @param aIconIndex the index in the icon array, or -1
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*/
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void CNPRSearchStationListBox::AddListBoxResourceArrayItemL( TInt aResourceId, TInt aIconIndex )
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{
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CDesCArray* array = iCoeEnv->ReadDesCArrayResourceL( aResourceId );
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CleanupStack::PushL( array );
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425 |
// This is intended to be large enough, but if you get
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426 |
// a USER 11 panic, consider reducing string sizes.
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TBuf<512> listString;
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CreateListBoxItemL( listString, aIconIndex, ( *array ) [ 0 ] );
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AddListBoxItemL( iListBox, listString );
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430 |
CleanupStack::PopAndDestroy( array );
|
|
431 |
}
|
|
432 |
|
|
433 |
/**
|
|
434 |
* Set up the list's icon array.
|
|
435 |
*/
|
|
436 |
void CNPRSearchStationListBox::SetupListBoxIconsL()
|
|
437 |
{
|
|
438 |
CArrayPtr< CGulIcon >* icons = NULL;
|
|
439 |
|
|
440 |
if ( icons != NULL )
|
|
441 |
{
|
|
442 |
iListBox->ItemDrawer()->ColumnData()->SetIconArray( icons );
|
|
443 |
}
|
|
444 |
}
|
|
445 |
|
|
446 |
/**
|
|
447 |
* Handle commands relating to markable lists.
|
|
448 |
*/
|
|
449 |
TBool CNPRSearchStationListBox::HandleMarkableListCommandL( TInt /*aCommand*/)
|
|
450 |
{
|
|
451 |
TBool result = EFalse;
|
|
452 |
return result;
|
|
453 |
}
|
|
454 |
|
|
455 |
TInt CNPRSearchStationListBox::CurrentItemIndex()
|
|
456 |
{
|
|
457 |
return iListBox->CurrentItemIndex();
|
|
458 |
}
|