dbmsexampleform.h

SymbianOS的DBMS实例 详细的代码揭示SymbianOS数据库管理系统的使用 很规范

/*
* ============================================================================
*  Name     : CDBMSexampleForm.h
*  Part of  : DBMSexample
*  Created  : 02/28/2003 by Forum Nokia
*  Implementation notes:
*  Version  :
*  Copyright: Nokia Corporation, 2003
* ============================================================================
*/

#ifndef __DBMS_EXAMPLE_FORM_H__
#define __DBMS_EXAMPLE_FORM_H__

// INCLUDES
#include <aknform.h>
#include "DBMSexample.hrh"
#include <aknnotewrappers.h>
#include <aknqueryvaluetext.h>
#include "DBMSengine.h" 

// Class forward declaration
class CDBMSengine;
class MDBMSobserver;
class CEikButtonGroupContainer;

// CLASS DECLARATION

class CDBMSexampleForm : public CAknForm
    {
    public: // Public functions
        /**
		 * Function NewL
		 * Create a new Form Object
         */
        static CDBMSexampleForm* NewL( TInt aType, CDBMSengine *aEngine, 
									   MDBMSobserver* aObserver = NULL );

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

		// Getter and setter functions
		void SetName( TDes& aName );
		void GetName( TDes& aName ) const;
		void SetBirthday( TTime aBirthday);
		TTime& GetBirthday( );
		void SetPersonalId( TInt aPersonalId );
		TInt GetPersonalId() const;
		void SetSex( TInt aSex );
		TInt GetSex() const;

    public: // Public functions inherited from base clase
        TInt ExecuteLD( TInt aResourceId ); 
        void PrepareLC( TInt aResourceId ); 

		virtual TBool OkToExitL( TInt aButtonId );
		virtual void DynInitMenuPaneL( TInt aResourceId, CEikMenuPane* aMenuPane );
		virtual void ProcessCommandL ( TInt aCommandId );

    private:  // Functions from base class
        /**
        * From CEikDialog 
        * Set default field value to member data.
        */
		void PostLayoutDynInitL();

        /**
        * From CAknForm 
        * Show save query. If user answers "No" to this query.
        * return field value to the value which is before editing.
        */
        TBool QuerySaveChangesL();

        /**
        * From CAknForm 
        * Save the contents of the form.
        */
        TBool SaveFormDataL(); 

        /**
        * From CAknForm 
        * Does not save the contents of the form.
        */
        void DoNotSaveFormDataL();

		/**
		 * Process key events
		 */
		TKeyResponse OfferKeyEventL (const TKeyEvent &aKeyEvent, TEventCode aType);

    private: // Private functions
        /**
        * Default constructor.
        */
        CDBMSexampleForm(TInt aType, CDBMSengine* aEngine, MDBMSobserver *aObserver);

        /**
        * Second-phase constructor.
        */
        void ConstructL();		

        /**
        * Create a record.
        */
		void CreateRecordL( );

        /**
        * Update a record.
        */
		void UpdateRecordL( );

        /**
        * Delete a record.
        */
		void DeleteRecordL( );

	    void DiscardArrays();
	    void ConfigurePopfieldValueL();

	private: // Private data members
        TInt iCurrentId;

        TBuf<KDbNameLen>				iEdwinName;
        TBuf<KDbBirthday>				iEdwinSex;
        TTime							iDateBirth;
        TInt							iNumberId;
		TInt						    iSex;

		TInt							iType;
		CDBMSengine						*iEngine;
		MDBMSobserver					*iObserver;

		// Define for the popup field
        CDesCArray* iTextArray;
        CAknQueryValueTextArray* iValueTextArray;
        CAknQueryValueText* iTextValues[ 1 ];
    };

#endif  // __DBMS_EXAMPLE_FORM__

// End of File