s60uiexamplehighscorecontainer.cpp

《Symbian S60第3版手机程序开发与实用教程》光盘源代码

// Copyright (c) 2006 Nokia Corporation.

#include "S60UIExampleHighScoreContainer.h"
#include "S60UIExampleModel.h"
#include <akntitle.h>
#include <eikspane.h>
#include <aknViewAppUi.h>
#include <aknutils.h>
#include <akniconutils.h>
#include <S60UIExample.mbg>
#include <S60UIExample.rsg>
#include <stringloader.h>    

// -----------------------------------------------------------------------------
// CS60UIExampleHighScoreContainer::NewL()
// Two-phased constructor.
// -----------------------------------------------------------------------------
//
CS60UIExampleHighScoreContainer* CS60UIExampleHighScoreContainer::NewL(
                                                  const TRect& aRect,
                                                  CS60UIExampleModel& aModel)
    {
    CS60UIExampleHighScoreContainer* self = 
                     CS60UIExampleHighScoreContainer::NewLC(aRect, aModel);
    CleanupStack::Pop(self);
    return self;
    }


// -----------------------------------------------------------------------------
// CS60UIExampleHighScoreContainer::NewLC()
// Two-phased constructor.
// -----------------------------------------------------------------------------
//
CS60UIExampleHighScoreContainer* CS60UIExampleHighScoreContainer::NewLC(
                                                 const TRect& aRect,
                                                 CS60UIExampleModel& aModel)
    {
    CS60UIExampleHighScoreContainer* self = 
                         new (ELeave) CS60UIExampleHighScoreContainer(aModel);
    CleanupStack::PushL(self);
    self->ConstructL(aRect);
    return self;
    }


// -----------------------------------------------------------------------------
// CS60UIExampleHighScoreContainer::CS60UIExampleHighScoreContainer()
// First stage constructor
// -----------------------------------------------------------------------------
//

CS60UIExampleHighScoreContainer::CS60UIExampleHighScoreContainer(
                                              CS60UIExampleModel& aModel)
    : iModel(aModel)
    {
    }

    
// -----------------------------------------------------------------------------
// CS60UIExampleHighScoreContainer::ConstructL()
// Symbian 2nd phase constructor can leave.
// -----------------------------------------------------------------------------
//
void CS60UIExampleHighScoreContainer::ConstructL(const TRect& aRect)
    {
    CreateWindowL();

    CEikStatusPane* statusPane = iAvkonViewAppUi->StatusPane();
    CAknTitlePane* titlePane = (CAknTitlePane*)statusPane->
                            ControlL(TUid::Uid(EEikStatusPaneUidTitle));
    // Set the text string.
    iTitle = StringLoader::LoadL(R_S60UIEXAMPLE_HIGHSCORE_TITLE_TEXT, iCoeEnv);
    titlePane->SetTextL(*iTitle); 
    
    // Get background graphic
    _LIT(KSvgFile,"z:\\resource\\apps\\S60UIExample.mif");
    iBkgBitmap = AknIconUtils::CreateIconL(KSvgFile, 
                                           EMbmS60uiexampleGraduated_bkg);
    SetRect(aRect);
    
    ActivateL();
    }
    
    
// -----------------------------------------------------------------------------
// CS60UIExampleHighScoreContainer::~CS60UIExampleHighScoreContainer()
// Destructor
// -----------------------------------------------------------------------------
//
CS60UIExampleHighScoreContainer::~CS60UIExampleHighScoreContainer()
    {
    delete iTitle;
    delete iBkgBitmap;
    }
    
    
// -----------------------------------------------------------------------------
// CS60UIExampleHighScoreContainer::SizeChanged()
// Handles necessary size changes, in this case resizing the bitmap.
// -----------------------------------------------------------------------------
//
void CS60UIExampleHighScoreContainer::SizeChanged()
    {
    TRect rect = Rect();
    TInt error = AknIconUtils::SetSize(iBkgBitmap, 
                                       rect.Size(), 
                                       EAspectRatioNotPreserved);
    }


// -----------------------------------------------------------------------------
// CS60UIExampleHighScoreContainer::HandleResourceChange()
// Called by framework when screen size changes. Use to cause necessary
// resizing to be performed.
// -----------------------------------------------------------------------------
//
void CS60UIExampleHighScoreContainer::HandleResourceChange(TInt aType)
    {
    CCoeControl::HandleResourceChange(aType);
    if (aType == KEikDynamicLayoutVariantSwitch)
        {
        // Screen size has changed. Get the new Main Pane size
        TRect rect;
        AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EMainPane, rect);
        // Pass it on. Eventually SizeChanged() performs the necessary
        // resizing
        SetRect(rect);
        }
        
    }

// -----------------------------------------------------------------------------
// CS60UIExampleHighScoreContainer::Draw() const
// Draws the display
// -----------------------------------------------------------------------------
//
void CS60UIExampleHighScoreContainer::Draw(const TRect& aRect) const
    {
    CWindowGc& gc = SystemGc();
    // Generate scalable text positions based on aRect
    TInt numXPos = aRect.Width() / 30;
    TInt nameXPos = aRect.Width() / 3;
    TInt firstLine = aRect.Height() / 4;
    TInt lineSpace = aRect.Height() / 8;
    // draw the background
    gc.BitBlt(TPoint(0, 0), iBkgBitmap);
    // Overlay the title
    gc.SetPenColor(KRgbBlack);
    gc.SetPenStyle(CGraphicsContext::ESolidPen);
    gc.UseFont(AknLayoutUtils::FontFromId(EAknLogicalFontPrimaryFont));
    // Get pointer to the high scores
    RArray<THighScore>* array = iModel.HighScoreArray();
    TInt index = array->Count();
    if (index > 0)
        {
        // they are held in increasing order, so list last first
        index--;
        TInt linePos = firstLine;
        while (index >= 0)
            {
            THighScore highScore = (*array)[index];
            TBuf<10> numText;
            numText.NumFixedWidth(highScore.iScore,EDecimal, 6);
            TPoint numTextPos(numXPos, linePos);
            gc.DrawText(numText, numTextPos);
            TPoint nameTextPos(nameXPos, linePos);
            gc.DrawText(highScore.iName, nameTextPos);
            linePos += lineSpace;
            index--;
            }
        
        }
    else
        {
        _LIT(KNoHighscoresText,"No High Scores");
        gc.DrawText(KNoHighscoresText, TPoint(nameXPos,firstLine + lineSpace));
        }

    gc.DiscardFont();
    }


// End of File