menudemoview.cpp

《基于Symbian OS的手机开发与应用实践》这本书的配套源码。

/*
* ============================================================================
*  Name     : CMenuDemoView from MenuDemoView.h
*  Part of  : GuiCtrls
*  Created  : 15.04.2005 by ToBeReplacedByAuthor
*  Implementation notes:
*     Initial content was generated by Series 60 Application Wizard.
*  Version  :
*  Copyright: ToBeReplacedByCopyright
* ============================================================================
*/

// INCLUDE FILES
#include  <aknviewappui.h>
#include  <avkon.hrh>
#include  <GuiCtrls.rsg>
#include  "MenuDemoView.h"
#include  "MenuDemoContainer.h" 
#include <akntitle.h> // for title pane
#include <eikspane.h>
#include "GuiCtrls.hrh"
#include <eikmenup.h>
#include <eikmenub.h>
#include <barsread.h> // for TResourceReader

// ================= MEMBER FUNCTIONS =======================

// ---------------------------------------------------------
// CMenuDemoView::ConstructL(const TRect& aRect)
// EPOC two-phased constructor
// ---------------------------------------------------------
//
void CMenuDemoView::ConstructL()
    {
    BaseConstructL( R_MENU_DEMO_VIEW );
    }

// ---------------------------------------------------------
// CMenuDemoView::~CMenuDemoView()
// destructor
// ---------------------------------------------------------
//
CMenuDemoView::~CMenuDemoView()
    {
    if ( iContainer )
        {
        AppUi()->RemoveFromViewStack( *this, iContainer );
        }
    delete iContainer;
    }

// ---------------------------------------------------------
// TUid CMenuDemoView::Id()
//
// ---------------------------------------------------------
//
TUid CMenuDemoView::Id() const
    {
    return KMenuDemoViewId;
    }

// ---------------------------------------------------------
// CMenuDemoView::HandleCommandL(TInt aCommand)
// takes care of view command handling
// ---------------------------------------------------------
//
void CMenuDemoView::HandleCommandL(TInt aCommand)
    {   
    switch ( aCommand )
        {
        case EGuiCmdMenuShowItem:
            {
            iItemShow = ETrue;
            break;
            }
        case EGuiCmdMenuHideItem:
            {
            iItemShow = EFalse;    
            break;
            }
        case EGuiCmdMenuSubMenuItem1:
            {
            iEikonEnv->InfoMsg(_L("Item 1 in Sub Menu"));
            break;
            }
        case EGuiCmdMenuSubMenuItem2:
            {
            iEikonEnv->InfoMsg(_L("Item 2 in Sub Menu"));
            break;
            }
        case EGuiCmdMenuDynItem1:
            {
            iEikonEnv->InfoMsg(_L("Dynamic Item1"));        
            break;
            }
        case EAknSoftkeyBack:
            {
            // To activate main view
            AppUi()->ActivateLocalViewL(TUid::Uid(1));
            //AppUi()->HandleCommandL(EEikCmdExit);
            break;
            }
        default:
            {
            AppUi()->HandleCommandL( aCommand );
            break;
            }
        }
    }

void CMenuDemoView::DynInitMenuPaneL( TInt aResourceId, CEikMenuPane* aMenuPane )
    {
    if ( R_GUICTRLS_DEMO_MENU_OPERATION == aResourceId )
        {
        if (iItemShow)
            {
            aMenuPane->SetItemDimmed( EGuiCmdMenuShowItem, ETrue );
            aMenuPane->SetItemDimmed( EGuiCmdMenuHideItem, EFalse );
            aMenuPane->SetItemDimmed( EGuiCmdMenuDynItem1, EFalse );
            }
        else
            {
            aMenuPane->SetItemDimmed( EGuiCmdMenuShowItem, EFalse );
            aMenuPane->SetItemDimmed( EGuiCmdMenuHideItem, ETrue );
            aMenuPane->SetItemDimmed( EGuiCmdMenuDynItem1, ETrue );
            }
        }
    }

// ---------------------------------------------------------
// CMenuDemoView::HandleClientRectChange()
// ---------------------------------------------------------
//
void CMenuDemoView::HandleClientRectChange()
    {
    if ( iContainer )
        {
        iContainer->SetRect( ClientRect() );
        }
    }

// ---------------------------------------------------------
// CMenuDemoView::DoActivateL(...)
// 
// ---------------------------------------------------------
//
void CMenuDemoView::DoActivateL(
   const TVwsViewId& /*aPrevViewId*/,TUid /*aCustomMessageId*/,
   const TDesC8& /*aCustomMessage*/)
    {
    if (!iContainer)
        {
        iContainer = new (ELeave) CMenuDemoContainer;
        iContainer->SetMopParent(this);
        iContainer->ConstructL( ClientRect(), this );
        AppUi()->AddToStackL( *this, iContainer );
        } 
    CEikStatusPane* sp = iEikonEnv->AppUiFactory()->StatusPane();
    CAknTitlePane* title = (CAknTitlePane*)sp->ControlL( TUid::Uid( EEikStatusPaneUidTitle ) );
    title->SetTextL(_L("Menu Demo"));
   }

// ---------------------------------------------------------
// CMenuDemoView::DoDeactivate()
// 
// ---------------------------------------------------------
//
void CMenuDemoView::DoDeactivate()
    {
    if ( iContainer )
        {
        AppUi()->RemoveFromViewStack( *this, iContainer );
        }
    
    delete iContainer;
    iContainer = NULL;

    CEikStatusPane* sp = iEikonEnv->AppUiFactory()->StatusPane();
    CAknTitlePane* title = (CAknTitlePane*)sp->ControlL( TUid::Uid( EEikStatusPaneUidTitle ) );
    title->SetTextToDefaultL();
    }

// End of File