allgridsappui.cpp

《基于Symbian OS的手机开发与应用实践》这本书的配套源码。

/*
* ============================================================================
*  Name     : CAllGridsAppUi from AllGridsAppui.cpp
*  Part of  : AllGrids
*  Created  : 22.03.2006 by ToBeReplacedByAuthor
*  Implementation notes:
*     Initial content was generated by Series 60 Application Wizard.
*  Version  :
*  Copyright: ToBeReplacedByCopyright
* ============================================================================
*/

// INCLUDE FILES
#include <avkon.hrh>
#include <AllGrids.rsg>

#include "AllGrids.hrh"
#include "AllGridsAppui.h"
#include "AllGridsView.h"
#include "AllGridsView2.h"
#include "AllGridsView3.h"
#include "AllGridsView4.h"

// ================= MEMBER FUNCTIONS =======================
//
// ----------------------------------------------------------
// CAllGridsAppUi::ConstructL()
// 
// ----------------------------------------------------------
//
void CAllGridsAppUi::ConstructL()
    {
    BaseConstructL(EAknEnableSkin);


    // Show tabs for main views from resources
    CEikStatusPane* sp = StatusPane();

    // Fetch pointer to the default navi pane control
    iNaviPane = (CAknNavigationControlContainer*)sp->ControlL( 
        TUid::Uid(EEikStatusPaneUidNavi));

    // Tabgroup has been read from resource and it were pushed to the navi pane. 
    // Get pointer to the navigation decorator with the ResourceDecorator() function. 
    // Application owns the decorator and it has responsibility to delete the object.
    iDecoratedTabGroup = iNaviPane->ResourceDecorator();
    if (iDecoratedTabGroup)
        {
        iTabGroup = (CAknTabGroup*) iDecoratedTabGroup->DecoratedControl();
        iTabGroup->SetObserver( this );
        }

    CAllGridsView* view1 = new (ELeave) CAllGridsView;
    CleanupStack::PushL( view1 );
    view1->ConstructL();
    AddViewL( view1 );      // transfer ownership to CAknViewAppUi
    CleanupStack::Pop();    // view1

    CAllGridsView2* view2 = new (ELeave) CAllGridsView2;
    CleanupStack::PushL( view2 );
    view2->ConstructL();
    AddViewL( view2 );      // transfer ownership to CAknViewAppUi
    CleanupStack::Pop();    // view3

    CAllGridsView3* view3 = new (ELeave) CAllGridsView3;
    CleanupStack::PushL( view3 );
    view3->ConstructL();
    AddViewL( view3 );      // transfer ownership to CAknViewAppUi
    CleanupStack::Pop();    // view3

    CAllGridsView4* view4 = new (ELeave) CAllGridsView4;
    CleanupStack::PushL( view4 );
    view4->ConstructL();
    AddViewL( view4 );      // transfer ownership to CAknViewAppUi
    CleanupStack::Pop();    // view4

    SetDefaultViewL(*view1);

    }

// ----------------------------------------------------
// CAllGridsAppUi::~CAllGridsAppUi()
// Destructor
// Frees reserved resources
// ----------------------------------------------------
//
CAllGridsAppUi::~CAllGridsAppUi()
    {
    delete iDecoratedTabGroup;
   }

// ------------------------------------------------------------------------------
// CAllGridsAppUi::DynInitMenuPaneL(TInt aResourceId,CEikMenuPane* aMenuPane)
//  This function is called by the EIKON framework just before it displays
//  a menu pane. Its default implementation is empty, and by overriding it,
//  the application can set the state of menu items dynamically according
//  to the state of application data.
// ------------------------------------------------------------------------------
//
void CAllGridsAppUi::DynInitMenuPaneL(
    TInt /*aResourceId*/,CEikMenuPane* /*aMenuPane*/)
    {
    }

// ----------------------------------------------------
// CAllGridsAppUi::HandleKeyEventL(
//     const TKeyEvent& aKeyEvent,TEventCode /*aType*/)
// takes care of key event handling
// ----------------------------------------------------
//
TKeyResponse CAllGridsAppUi::HandleKeyEventL(
    const TKeyEvent& aKeyEvent,TEventCode aType)
    {
    if ( iTabGroup == NULL )
        {
        return EKeyWasNotConsumed;
        }

    if ( aKeyEvent.iCode == EKeyLeftArrow || aKeyEvent.iCode == EKeyRightArrow )
        {
        return iTabGroup->OfferKeyEventL( aKeyEvent, aType );
        }
    else
        {
        return EKeyWasNotConsumed;
        }
    }

// ----------------------------------------------------
// CAllGridsAppUi::HandleCommandL(TInt aCommand)
// takes care of command handling
// ----------------------------------------------------
//
void CAllGridsAppUi::HandleCommandL(TInt aCommand)
    {
    switch ( aCommand )
        {
        case EAllGridsCmdAppCaleView:
        case EAllGridsCmdAppGMSView:
        case EAllGridsCmdAppPinbView:
        case EAllGridsCmdAppQDialView:
            {
            TInt index = aCommand-EAllGridsCmdAppCaleView;
            iTabGroup->SetActiveTabByIndex(index);
            TabChangedL(index);
            break;
            }
        case EEikCmdExit:
            {
            Exit();
            break;
            }
        default:
            break;      
        }
    }


 // ----------------------------------------------------
 // CAllGridsAppUi::TabChangedL(TInt aIndex)
 // This method gets called when CAknTabGroup active 
 // tab has changed.
 // ----------------------------------------------------
 //
 void CAllGridsAppUi::TabChangedL(TInt aIndex)
     {
     ActivateLocalViewL(TUid::Uid(iTabGroup->TabIdFromIndex(aIndex)));
     }

// End of File