mygridcontainer.h

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/*
* ============================================================================
*  Name     : CMyGridContainer from CCoeControl, MCoeControlObserver
*  Part of  : MyGrid
*  Copyright (c) 2003 Nokia. All rights reserved.
* ============================================================================
*/

#ifndef MyGridCONTAINER_H
#define MyGridCONTAINER_H

// INCLUDES
#include <aknview.h>

#include <akngridview.h>
class CFbsBitmap;     

class CAknGrid;
class CAknGridView;	//Grid视图  
// CLASS DECLARATION
enum TContentType
{
	EContainText = 0x0001,         // contain only text
		EContainGraphic = 0x0002,      // contain only graphic
		EContainBoth = 0x0004          // contain both text and graphic
};

enum TAknExGridGridType
{
	EAknExGridSelectionGrid = 0,    // Show grid as "Selection Grid"
		EAknExGridMarkableGrid         // Show grid as "Markable Grid"
};

/**
*  CMyGridContainer  container control class.
*  
*/
class CMyGridContainer : public CCoeControl, MCoeControlObserver
    {
    public: // Constructors and destructor
        /**
        * C++ default constructor.
        */
        CMyGridContainer();

        /**
        * EPOC default constructor.
        * @param aRect Frame rectangle for container.
        */
        void ConstructL(const TRect& aRect);

        /**
        * Destructor.
        */
        virtual ~CMyGridContainer();

    public: // New MyGrids
        /**
        * Change focussed control using specified command.
        * @param aCommand Command to be used.
        */
        void FocusTo(TInt aCommand);

    private: // MyGrids from base classes

       /**
        * From CoeControl,SizeChanged.
        */
        void SizeChanged();

       /**
        * From CoeControl,CountComponentControls.
        */
        TInt CountComponentControls() const;

       /**
        * From CCoeControl,ComponentControl.
        * @param aIndex of control
        */
        CCoeControl* ComponentControl(TInt aIndex) const;

       /**
        * From CCoeControl, Draw client rect.
        * @param aRect Frame rectangle for container.
        */
        void Draw(const TRect& aRect) const;

        /**
         * From CCoeControl, Handles key event.
         * @param aKeyEvent The key event.
         * @param aType The type of the event.
         * @return Indicates whether or not the key event was
         *           used by this control.
         */
         TKeyResponse OfferKeyEventL(const TKeyEvent& aKeyEvent,
                                    TEventCode aType);

    private:
       /**
        * From MCoeControlObserver, Handles an event of type aEventType
        * @param aControl Pointer to component control
        * @param aEventType Event Code
        */
        void HandleControlEventL(CCoeControl* /*aControl*/,
                                    TCoeEvent /*aEventType*/);
        
	void LoadGraphicsL();
	void AddDataL();
	void ApplySelGridGraphicStyleL();
	
private: //data
	
	CAknGrid *m_pGrid;
	CFbsBitmap* m_pBitmap;
	
	TBool			iVerticalOrientation;	// params used by SetGridLayoutL()
	TBool			iLeftToRight;
	TBool			iTopToBottom;
	TInt			iNumOfColumns;
	TInt			iNumOfRows;
	TInt			iContentType;
	TSize			iSizeOfItems;
	TInt			iNumOfItems;
	TBool			iInstantsCreated;      // indicate wether the Select or menu grid is using
	
	CAknGridView::TScrollingType iVerticalScrollingType; // Scrolling type
	CAknGridView::TScrollingType iHorizontalScrollingType; 
	
	TAknExGridGridType          m_pGridType;
	TInt						m_nFontWidth;
public:
	CAknGrid* GetGrid();
    };

#endif // MyGridCONTAINER_H

// End of File