shoppinglistappui.cpp

Symbian 的购物程序 shoppinglist-vc

/*  Copyright (c) 2004, Nokia. All rights reserved */

// INCLUDE FILES
#include <avkon.hrh>
#include <aknnotewrappers.h>
#include <AknQueryDialog.h>

#include <ShoppingList.rsg>
#include "ShoppingItem.h"
#include "ShoppingList.pan"
#include "ShoppingListAppUi.h"
#include "ShoppingListAppView.h"
#include "ShoppingList.hrh"
#include "ShoppingListDocument.h"

// ================= MEMBER FUNCTIONS =======================
// ---------------------------------------------------------
// CShoppingListAppUi::ConstructL()
// 2nd phase constructor.
// ---------------------------------------------------------
//
void CShoppingListAppUi::ConstructL()
    {
    BaseConstructL();

    iAppView = CShoppingListAppView::NewL( ClientRect(), GetDocument() );
        iAppView->SetMopParent( this );
    AddToStackL( iAppView );
    }

// ---------------------------------------------------------
// CShoppingListAppUi::CShoppingListAppUi()
// Constructor.
// ---------------------------------------------------------
//
CShoppingListAppUi::CShoppingListAppUi()                              
    {
    // No implementation required
    }

// ---------------------------------------------------------
// CShoppingListAppUi::~CShoppingListAppUi()
// Constructor.
// ---------------------------------------------------------
//
CShoppingListAppUi::~CShoppingListAppUi()
    {
    if ( iAppView )
        {
        iEikonEnv->RemoveFromStack( iAppView );
        delete iAppView;
        iAppView = NULL;
        }
    }

// ---------------------------------------------------------
// CShoppingListAppUi::HandleCommandL()
// ---------------------------------------------------------
//
void CShoppingListAppUi::HandleCommandL( TInt aCommand )
    {
    TInt selectedItemIndex = 0;
    CShoppingItem* item;

    switch( aCommand )
        {
        case EEikCmdExit:
        case EAknSoftkeyExit:
            TRAPD( Err, SaveL() );  // Ignore any errors
                        Exit();
            break;

        case EShoppingListNewItem:
            {
            if( GetDocument()->ItemCount() > 0 )
                    {
                    selectedItemIndex = iAppView->CurrentItemIndex();
                    }
            item = CShoppingItem::NewLC();

            item->SetNameL( KNewitem().AllocL() );

            GetDocument()->InsertItemL( item, selectedItemIndex );
            CleanupStack::Pop( item );
            HandleModelChangeL();

            TBuf<KTextBufferLength> name;
            CAknTextQueryDialog* dlg = CAknTextQueryDialog::NewL( name );
            if ( dlg->ExecuteLD( R_DIALOG_TEXT_ITEM_NAME ) )
                {
                GetDocument()->Item( iAppView->CurrentItemIndex() )->
                                SetNameL( name.AllocL() );
                }
            HandleModelChangeL();
            break;
        }

        case EShoppingListMarkUnmark:
            if( GetDocument()->ItemCount() > 0 )
                    {
                    item = GetDocument()->Item( iAppView->CurrentItemIndex() );
                    item->SetFlags( item->Flags() ^ CShoppingItem::EMarked );
                    HandleModelChangeL();
                    }
            break;

        case EShoppingListRemove:
            if( GetDocument()->ItemCount() > 0 )
                {
                selectedItemIndex = iAppView->CurrentItemIndex();
                GetDocument()->RemoveItem( selectedItemIndex );
                TInt count = GetDocument()->ItemCount();
                if( count > 0 && iAppView->CurrentItemIndex() == count )
                    {
                    iAppView->SetCurrentItemIndex( iAppView->CurrentItemIndex() - 1 );
                    }
                HandleModelChangeL();
                }
            break;

        default:
            Panic( EShoppingListUi );
            break;
        }
    }

// ---------------------------------------------------------
// CShoppingListAppUi::GetDocument()
// ---------------------------------------------------------
//
CShoppingListDocument* CShoppingListAppUi::GetDocument()
    {
    return static_cast<CShoppingListDocument*>( Document() );
    }

// ---------------------------------------------------------
// CShoppingListAppUi::HandleModelChangeL()
// ---------------------------------------------------------
//
void CShoppingListAppUi::HandleModelChangeL()
    {
    iAppView->UpdateL();
    iAppView->DrawNow();
    }

// End of File