S60 3rd Edition SDK for Symbian OS Example Applications Guide

IMOpenAPIExampleGrid.cpp

/*
* ==============================================================================
*  Name        : IMOpenAPIExampleGrid.cpp
*  Part of     : IMOpenAPIExample
*  Interface   : 
*  Description : 
*  Version     : 
*
*  Copyright (c) 2005-2006 Nokia Corporation.
*  This material, including documentation and any related 
*  computer programs, is protected by copyright controlled by 
*  Nokia Corporation.
* ==============================================================================
*/

// INCLUDE FILES
#include "IMOpenAPIExampleGrid.h"
#include <akniconarray.h> 
#include <aknlists.h> 
#include <barsread.h> 
#include <stringloader.h> 
#include <e32des16.h> 

// CONSTANTS
const TInt KNumberOfIcons(7);

// ----------------------------------------------------------
// CIMOpenAPIExampleGrid::ConstructL(TInt aGridResource, const TDesC& aImageFile)
// Construct a grid with an image file and grid resource
// ----------------------------------------------------------
//
void CIMOpenAPIExampleGrid::ConstructL(TInt aGridResource, const TDesC& aImageFile)
        {
    // Construct the grid from resource
        TResourceReader reader;
        CEikonEnv::Static()->CreateResourceReaderLC(reader, aGridResource);
        ConstructFromResourceL(reader);
        CleanupStack::PopAndDestroy(); // reader

        // Set up the icons
        SetupGridIconsL (aImageFile);

        // set up text and icons in array
    iArray = static_cast<CDesCArray*>(this->Model()->ItemTextArray());
    ResetGrid();

        // Draw the grid
        SizeChanged();
    
        }

// ----------------------------------------------------------
// CIMOpenAPIExampleGrid::~CIMOpenAPIExampleGrid()
// Destructor
// ----------------------------------------------------------
//
CIMOpenAPIExampleGrid::~CIMOpenAPIExampleGrid()
    {
    }

// ----------------------------------------------------------
// CIMOpenAPIExampleGrid::SetupGridIconsL(const TDesC& aImageFile)
// setup grid icons reading from an mbm file
// ----------------------------------------------------------
//
void CIMOpenAPIExampleGrid::SetupGridIconsL(const TDesC& aImageFile)
        {

        // Create an array of icons, reading them from the file
        CArrayPtr<CGulIcon>* icons = new(ELeave) CAknIconArray(KNumberOfIcons);
        CleanupStack::PushL(icons);

        icons->AppendL( iEikonEnv->CreateIconL( aImageFile, 0, 3 ) );
        icons->AppendL( iEikonEnv->CreateIconL( aImageFile, 1, 3 ) );
        icons->AppendL( iEikonEnv->CreateIconL( aImageFile, 2, 3 ) );

        
        
        CleanupStack::Pop(icons);
        // passing ownership of icons
        ItemDrawer()->FormattedCellData()->SetIconArray(icons);
        
        }

// ----------------------------------------------------------
// CIMOpenAPIExampleGrid::SetupGrid()
// setup the grid layout
// ----------------------------------------------------------
//
void CIMOpenAPIExampleGrid::SetupGrid()
        {
        // Setup text foreground and background colours to default
        AknListBoxLayouts::SetupStandardGrid(*this);


        // Get local copies of data we will need        
        CFormattedCellListBoxItemDrawer* itemDrawer = this->ItemDrawer();
        TInt cellWidth = ColumnWidth();
        TInt cellHeight = ItemHeight();

                
        // Set up graphics subcells
        AknListBoxLayouts::SetupFormGfxCell(*this,  //the grid
                                                                                itemDrawer, // the grid's drawer
                                                                                0, // index of the graphic within item strings
                                                                                1, // left position
                                                                                1, // top position
                                                                                0, // right - unused
                                                                                0, // bottom - unused
                                                                                cellWidth-4, // width of graphic
                                                                                cellHeight-4, // height of graphic
                                                                                TPoint (0, 0), // start position
                                                                                TPoint (cellWidth , cellHeight)); // end position
    CEikScrollBarFrame* frame = ScrollBarFrame();

        if (frame)
                {
                frame->SetScrollBarVisibilityL(CEikScrollBarFrame::EOff, CEikScrollBarFrame::EOff);
                }

        }

// ----------------------------------------------------------
// CIMOpenAPIExampleGrid::SizeChanged()
// Called by framework when the view size is changed and by ConstructL to intialise the grid
// ----------------------------------------------------------
//
void CIMOpenAPIExampleGrid::SizeChanged()
        {
    CAknGrid::SizeChanged();
        SetupGrid();
        }

// ----------------------------------------------------------
// CIMOpenAPIExampleGrid::SetCellSign(TGameSign aCellValue, TInt aCellIndex)
// sets up a single cell sign
// ----------------------------------------------------------
//
void CIMOpenAPIExampleGrid::SetCellSign(TGameSign aCellValue, TInt aCellIndex)
        {
    _LIT(KFormatString, "%d");
        TBuf<1> cellValueString;
        cellValueString.Format(KFormatString, aCellValue);

    // return if index is out of bound
    if ( (aCellIndex>8) || (aCellIndex<0) )
        return;
    iArray->Delete(aCellIndex);
        iArray->InsertL(aCellIndex,cellValueString);
    HandleItemAdditionL();
        }

// ----------------------------------------------------------
// CIMOpenAPIExampleGrid::ResetGrid()
// resets all cell signs to empty
// ----------------------------------------------------------
//
void CIMOpenAPIExampleGrid::ResetGrid()
        {
    _LIT(KFormatString, "%d");
        TBuf<2> cellValueString;

    for (TInt i=0; i<9 ; i++)
        {
        cellValueString.Format(KFormatString, EEmptySign);
        iArray->Delete(i);
            iArray->InsertL(i,cellValueString);
        }
    HandleItemAdditionL();
        }

// End of File  

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© Nokia 2006