shapesappui.cpp

来自「series60 应用程序开发的源代码 series60 应用程序开发的源代码」· C++ 代码 · 共 130 行

/**
 * 
 * @brief Definition of CShapesAppUi
 *
 * Copyright (c) EMCC Software Ltd 2003
 * @version 1.0
 */

// INCLUDE FILES

// Class includes
#include "ShapesAppUi.h"

// System includes
#include <eikmenup.h>    // CEikMenuPane
#include <Shapes.rsg>                // R_SHAPES_APP_MENU, R_SHAPES_DATA_DIALOG

// User includes
#include "Shapes.hrh"                // Command IDs
#include "ShapesBarChartView.h"        // CShapesBarChartView
#include "ShapesForm.h"                // CShapesForm
#include "ShapesLineChartView.h"    // CShapesLineChartView
#include "ShapesModel.h"            // CShapesModel
#include "ShapesPieChartView.h"        // CShapesPieChartView
#include "ShapesSplashView.h"        // CShapesSplashView

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

/**
 * Symbian OS 2nd phase constructor.  Constructs the application views, 
 * transferring ownership to the AppUi.
 */    
void CShapesAppUi::ConstructL()
{
    BaseConstructL();

    iShapesModel = CShapesModel::NewL();

    CShapesSplashView* splashView = CShapesSplashView::NewLC();    
    AddViewL(splashView);    // transfer ownership to CAknViewAppUi
    CleanupStack::Pop(splashView);

    CShapesBarChartView* barView = CShapesBarChartView::NewLC(*iShapesModel);
    AddViewL( barView );    // transfer ownership to CAknViewAppUi
    CleanupStack::Pop(barView);

    CShapesPieChartView* pieView = CShapesPieChartView::NewLC(*iShapesModel);
    AddViewL(pieView);        // transfer ownership to CAknViewAppUi
    CleanupStack::Pop(pieView);

    CShapesLineChartView* lineView = CShapesLineChartView::NewLC(*iShapesModel);
    AddViewL(lineView);        // transfer ownership to CAknViewAppUi
    CleanupStack::Pop(lineView);

    // Set the initial (default) view.
    SetDefaultViewL(*splashView);
}

/**
 * Destructor
 */
CShapesAppUi::~CShapesAppUi()
{
    delete iShapesModel;
}

/**
 * From MEikMenuObserver. Takes care of dynamic menu initialisation 
 * (e.g. dimming menu items) for the Shapes application
 *
 * @param aResourceId the resource ID of the menu pane being initialised
 * @param aMenuPane a pointer to that menu pane
 */
void CShapesAppUi::DynInitMenuPaneL(TInt aResourceId, CEikMenuPane* aMenuPane)
{
    if (aResourceId == R_SHAPES_APP_MENU)
    {
        if (!iShapesModel->GetMaxValue())
        {
            aMenuPane->SetItemDimmed(EShapesBarChartView, ETrue);
            aMenuPane->SetItemDimmed(EShapesPieChartView, ETrue);
            aMenuPane->SetItemDimmed(EShapesLineChartView, ETrue);
        }
    }
}

/**
 * From CEikAppUi, takes care of command handling for the Shapes
 * application.
 *
 * @param aCommand command to be handled
 */
void CShapesAppUi::HandleCommandL(TInt aCommand)
{
    switch (aCommand)
    {
        case EEikCmdExit:
            Exit();
            break;
        case EShapesEnterData:
            EditFormL();        
            break;
        case EShapesBarChartView:
            ActivateLocalViewL(KBarChartViewId);    // Switch view.
            break;
        case EShapesPieChartView:
            ActivateLocalViewL(KPieChartViewId);    // Switch view.
            break;
        case EShapesLineChartView:
            ActivateLocalViewL(KLineChartViewId);    // Switch view.
            break;
        default:
            break;      
    }
}

/**
 * Displays the form to input the data, which will be used to draw the charts
 */
void CShapesAppUi::EditFormL()
{
    CAknForm* form = new (ELeave) CShapesForm(*iShapesModel);
    if (form->ExecuteLD(R_SHAPES_DATA_DIALOG))
    {
        // Do nothing!
    }
}

// End of File