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/*
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===============================================================================================
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Name : NPRListBox.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 large style list box to show the NPR's main options
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===============================================================================================
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*/
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#include <barsread.h>
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#include <stringloader.h>
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#include <aknlists.h>
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#include <eikenv.h>
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#include <akniconarray.h>
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#include <eikclbd.h>
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#include <aknviewappui.h>
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#include <eikappui.h>
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#include <NPR_0xEEB0E481.rsg>
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#include "NPRListBox.h"
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#include "NPRListBoxView.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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_LIT(KNPR_0xEEB0E481File, "\\resource\\apps\\NPR_0xEEB0E481.mif");
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_LIT ( KStringHeader, "%d\t%S" );
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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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CNPRListBox::CNPRListBox()
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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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CNPRListBox::~CNPRListBox()
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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 CNPRListBox
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*/
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CNPRListBox* CNPRListBox::NewL(const TRect& aRect, const CCoeControl* aParent, MEikCommandObserver* aCommandObserver )
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{
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CNPRListBox* self = CNPRListBox::NewLC(aRect, aParent, 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 CNPRListBox
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*/
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CNPRListBox* CNPRListBox::NewLC(const TRect& aRect, const CCoeControl* aParent, MEikCommandObserver* aCommandObserver)
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{
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CNPRListBox* self = new (ELeave) CNPRListBox();
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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 CNPRListBox::ConstructL(const TRect& aRect, const CCoeControl* aParent, 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 CNPRListBox::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* CNPRListBox::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 CNPRListBox::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 CNPRListBox::LayoutControls()
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{
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iListBox->SetExtent( TPoint( 0, 0 ), iListBox->MinimumSize() );
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}
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/**
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* Handle key events.
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*/
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TKeyResponse CNPRListBox::OfferKeyEventL(const TKeyEvent& aKeyEvent, 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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return EKeyWasNotConsumed;
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}
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if ( aKeyEvent.iCode == EKeyDevice3)
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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 ENews:
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{
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SendNewsQueryL();
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break;
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}
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case EStations:
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{
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static_cast<CNPRAppUi*>(CEikonEnv::Static()->EikAppUi())->ActivateLocalViewL(TUid::Uid(ENPRSearchStationListBoxViewId));
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break;
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}
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case EPrograms:
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case EPlaylist:
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case ESettings:
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break;
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default:
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break;
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}
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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 CNPRListBox::InitializeControlsL()
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{
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iListBox = new ( ELeave ) CAknSingleLargeStyleListBox;
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iListBox->SetContainerWindowL( *this );
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TResourceReader reader;
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iEikonEnv->CreateResourceReaderLC( reader, R_NPRLIST_BOX_LIST_BOX );
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iListBox->ConstructFromResourceL( reader );
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CleanupStack::PopAndDestroy(); // reader internal state
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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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AddListBoxResourceArrayItemL( R_NPRLIST_BOX_LISTBOX_ITEM1,
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EListBoxNpr_0xeeb0e481Qgn_menu_nprIndex );
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AddListBoxResourceArrayItemL( R_NPRLIST_BOX_LISTBOX_ITEM2,
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EListBoxNpr_0xeeb0e481Qgn_menu_nprIndex );
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AddListBoxResourceArrayItemL( R_NPRLIST_BOX_LISTBOX_ITEM3,
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EListBoxNpr_0xeeb0e481Qgn_menu_nprIndex );
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AddListBoxResourceArrayItemL( R_NPRLIST_BOX_LISTBOX_ITEM4,
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EListBoxNpr_0xeeb0e481Qgn_menu_nprIndex );
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AddListBoxResourceArrayItemL( R_NPRLIST_BOX_LISTBOX_ITEM5,
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EListBoxNpr_0xeeb0e481Qgn_menu_nprIndex );
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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 CNPRListBox::HandleResourceChange( TInt aType )
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{
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CCoeControl::HandleResourceChange( aType );
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SetRect( iAvkonViewAppUi->View( TUid::Uid( ENPRListBoxViewId ) )->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 CNPRListBox::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 CNPRListBox::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 >* CNPRListBox::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 CNPRListBox::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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CAknSingleLargeStyleListBox* CNPRListBox::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 CNPRListBox::CreateListBoxItemL( TDes& aBuffer,
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TInt aIconIndex,
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const TDesC& aMainText )
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{
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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 CNPRListBox::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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// This is intended to be large enough, but if you get
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// 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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CleanupStack::PopAndDestroy( array );
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}
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/**
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* Set up the list's icon array.
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*/
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void CNPRListBox::SetupListBoxIconsL()
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{
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/*
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CArrayPtr< CGulIcon >* icons = NULL;
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icons = new (ELeave) CAknIconArray( 1 );
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CleanupStack::PushL( icons );
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CGulIcon* icon;
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// for EListBoxNpr_0xeeb0e481Qgn_menu_nprIndex
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icon = LoadAndScaleIconL(
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KNPR_0xEEB0E481File, EMbmNpr_0xeeb0e481Qgn_menu_npr, -1,
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NULL, EAspectRatioPreserved );
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CleanupStack::PushL( icon );
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icons->AppendL( icon );
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CleanupStack::Pop( icon );
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CleanupStack::Pop( icons );
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if ( icons != NULL )
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{
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iListBox->ItemDrawer()->ColumnData()->SetIconArray( icons );
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}
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*/
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}
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/**
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* Handle commands relating to markable lists.
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*/
|
|
426 |
TBool CNPRListBox::HandleMarkableListCommandL(TInt /*aCommand*/)
|
|
427 |
{
|
|
428 |
return EFalse;
|
|
429 |
}
|
|
430 |
|
|
431 |
/**
|
|
432 |
* This routine loads and scales a bitmap or icon.
|
|
433 |
*
|
|
434 |
* @param aFileName the MBM or MIF filename
|
|
435 |
* @param aBitmapId the bitmap id
|
|
436 |
* @param aMaskId the mask id or -1 for none
|
|
437 |
* @param aSize the TSize for the icon, or NULL to use real size
|
|
438 |
* @param aScaleMode one of the EAspectRatio* enums when scaling
|
|
439 |
*
|
|
440 |
*/
|
|
441 |
CGulIcon* CNPRListBox::LoadAndScaleIconL(
|
|
442 |
const TDesC& aFileName,
|
|
443 |
TInt aBitmapId,
|
|
444 |
TInt aMaskId,
|
|
445 |
TSize* aSize,
|
|
446 |
TScaleMode aScaleMode )
|
|
447 |
{
|
|
448 |
CFbsBitmap* bitmap;
|
|
449 |
CFbsBitmap* mask;
|
|
450 |
AknIconUtils::CreateIconL( bitmap, mask, aFileName, aBitmapId, aMaskId );
|
|
451 |
|
|
452 |
TSize size;
|
|
453 |
if ( aSize == NULL )
|
|
454 |
{
|
|
455 |
// Use size from the image header. In case of SVG,
|
|
456 |
// we preserve the image data for a while longer, since ordinarily
|
|
457 |
// it is disposed at the first GetContentDimensions() or SetSize() call.
|
|
458 |
AknIconUtils::PreserveIconData( bitmap );
|
|
459 |
AknIconUtils::GetContentDimensions( bitmap, size );
|
|
460 |
}
|
|
461 |
else
|
|
462 |
{
|
|
463 |
size = *aSize;
|
|
464 |
}
|
|
465 |
|
|
466 |
AknIconUtils::SetSize( bitmap, size, aScaleMode );
|
|
467 |
AknIconUtils::SetSize( mask, size, aScaleMode );
|
|
468 |
|
|
469 |
if ( aSize == NULL )
|
|
470 |
{
|
|
471 |
AknIconUtils::DestroyIconData( bitmap );
|
|
472 |
}
|
|
473 |
|
|
474 |
return CGulIcon::NewL( bitmap, mask );
|
|
475 |
}
|
|
476 |
|
|
477 |
TInt CNPRListBox::CurrentItemIndex()
|
|
478 |
{
|
|
479 |
return iListBox->CurrentItemIndex();
|
|
480 |
}
|
|
481 |
|
|
482 |
void CNPRListBox::SendNewsQueryL()
|
|
483 |
{
|
|
484 |
static_cast<CNPRAppUi*>(CEikonEnv::Static()->EikAppUi())->Engine().SendNPRCommandL(ENewsCmd, KNullDesC());
|
|
485 |
}
|