/*

* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:   Form class for creating events.

*

*/

#ifndef EVTEDITOR_H_

#define EVTEDITOR_H_

#include <AknForm.h>

#include <e32base.h>        // CBase

#include <ConeResLoader.h>

#include "evtmgmtuieditorcmdhandler.h"

#include "evtmgmtuisysofmeasurement.h"

#include "evtmgmtuiengine.h"

class CAknNavigationControlContainer;

class CAknNavigationDecorator;

class CEvtEvent;

class TCoordinate;

class CEvtMgmtUiEditorCmdHandler;

class TCoeHelpContext;

class CAknIconArray;

class TAknsItemID;

class CAknListQueryDialog;

// Derive the class from CAknForm 

class CEvtEditor : public CAknForm,

                   public MEvtMgmtUiEditorObserver,

                   public MEvtMgmtUiSOMObserver

    {   

    public:  // Constructor and destructor  

        /**

         * Static Two phase constructor

         *         

         */

        static CEvtEditor* NewL( TBool                              aIsEditable, 

                                 CEvtEvent&                         aEvent,

                                 CEvtMgmtUiEngine&                  aEventEngine,

                                 TBool                              aDisplayExitMenuItem = ETrue );

        /**

         * Virtual destructor

         */

        virtual ~CEvtEditor(); 

    public://new functions

        /*

        * It sets help context

        * 

        * @since Symbian v9.1

        * 

        * @param[in] aContext - help context object  

        */

       void SetHelpContext( TCoeHelpContext aContext );

    private: //new functions

        /**

         * Load intial data values

         */

        void LoadFormValuesFromDataL();

        /**

         * Displays confirmation query dialog

         * @param aResourceId Text to be displayed on query

         */

        TBool DisplayConfirmationQueryDlgL( TInt aResourceId);

        /**

         * Set navipane title

		 * @param aTitle title for navipane

         */

        void SetNavipaneTitleL(const TDesC& aTitle);

        /**

		 * Change RSK caption

         * 

         */		 

        void ChangeRSKCaptionL();

         /** Change MSK caption

         * @param aControlId of current focused line

         */

           void ChangeMSKCaptionL(TInt  aControlId);

        /**

         * Perform the required action when MSK is pressed

         */

        void HandleMSKL();

        /**

         * Sets default date and time for date-time components of editor

         */

        //void SetDefaultDateTime();

        /**

         * It deletes dialog line for audio-loop

         */

        void RemoveAudioLoopDlgLineL();

        /**

        * It inserts dialog line for audio-loop

        */

        void InsertAudioLoopDlgLinesL();

        /**

        * It inserts dialog line for radius

        */

        void InsertRadiusDlgLineL();

        /**

         * It removes dialog line for radius

         */

        void RemoveRadiusDlgLineL();

        /**

         * It inserts dialog line for descriptor

         */

        void InsertDesDlgLineL();

        /**

         * It removes dialog line for descriptor

         */

        void RemoveDesDlgLineL();

        /**

        * It sets text to descriptor edwin

        */

        void SetDescL();

        /**

        * It sets text to place edwin

        */

        void SetPlaceL();

        /**

        * It sets Status to popup

        */

        void SetStatusL();

        /**

        * It Checks for the status and dynamically sets the popup list

        */

        void CheckStatusL();

        /**

        * It sets text to radius editor

        */

        void SetRadiusL();

        /**

        * It sets text to ringtone editor

        */

        void SetRingtoneL();

       /**

       * It checks if all mandatory fields are filled

       *  @return ETrue if all mandatory fields are filled

       *          KFalse otherwise

       */

        TBool MandatoryFieldsFilled();

	    /** 

	     * Set the Title text

	     */ 

	    void MakeTitleL( TDesC& aText );

	    /**

         * Opens the nearest localized resourcefile using aResourceLoader. 

         * aResourceLoader should be opened only once before closing it. 

         * Otherwise it will raise a panic. Therefore it is better to have 

         * multiple resource loaders.

         * 

         * @param aResourceFileName Drive and name of resource file in format 

         *                          <path>:<rsc_file_name>

         * @param aResourceLoader Resource loader for the resource. The loader 

         *                        must not be opened allready or it will raise 

         *                        a panic. It is caller's responsibility to 

         *                        close the resource loader after using the 

         *                        resource.

         */

        void OpenLocalizedResourceFileL( const TDesC& aResourceFileName, 

                                RConeResourceLoader&  aResourceLoader );

    public:  // Functions from base class

        /*

         *  Inherited from CCoeControl

         */

        void SetMopParent( MObjectProvider* aParent );

        /*

         * Inherited from CEikDialog

         */

        TInt ExecuteLD();

        /*

         * Inherited from CCoeControl

         */

        void GetHelpContext( TCoeHelpContext& aContext ) const;

   private:  // Functions from base class

        /**

        * Inherited from CAknDialog

        */

        void LineChangedL( TInt  aControlId  ); 

        /**

         * Inherited from CAknForm

         */

        //void HandleControlStateChangeL();

        void HandleControlStateChangeL(TInt aControlId);

        /**

         * Inherited from CAknForm

         */

        void DynInitMenuPaneL(TInt aResourceId, CEikMenuPane* aMenuPane);

       /**

        * Inherited from CAknForm

        */

       void ProcessCommandL(TInt  aCommandId); 

        /**

         * Inherited from CEikDialog

         */

        TBool OkToExitL( TInt aButtonId );

        /**

         * Inherited from CEikDialog

         */

        void PreLayoutDynInitL();        

        /**

        * Inherited from CEikDialog

        */

        void PostLayoutDynInitL();  

       /**

         * Inherited from MEvtMgmtUiEditorObserver

         */

        void NotifyEditorL(TInt aCommand, TInt aErrorCode);   

        // Inherited from MEvtMgmtUiSOMObserver

        void NotifySOMChangeL( );

        void HandlePointerEventL(const TPointerEvent &aPointerEvent);

       // void HandleDialogPageEventL( TInt aEventID );

        TKeyResponse OfferKeyEventL (const TKeyEvent &aKeyEvent, TEventCode aType); 

    private:  // Constructor

        /**

         * C++ Default constructor

         */       

         CEvtEditor( TBool                              aIsEditable, 

                     CEvtEvent&                         aEvent, 

                     CEvtMgmtUiEngine&                  aEventEngine,

                     TBool                              aDisplayExitMenuItem = ETrue);

        /**

         * Second phase of the two phase constructor

         */ 

         void ConstructL();

    private: //new functions

        /*

         * It checks if event is empty.

         * 

         * @since Symbian v9.1

         * 

         * @ret true if event is empty else false.

         */

        TBool IsEmptyEventL();

        TBool ProcessDoneCommandL();

       /**

        * it toggles value of popup field

        */        

        void TogglePopupFieldControlL( TInt aControlId );

    private:

        /**

        * owns: It handles all editor commands

        */

       CEvtMgmtUiEditorCmdHandler*      iCmdHandler;

       /*

        * Owns: It checks unit for radius

        */

       CEvtMgmtUiSysOfMeasurement*      iSysOfMeas;

       /*

        * Mode in which editor is opened. It can be either view or edit mode.

        */   

       TBool                            iIsEditMode;

       /*

        *  Ref: The event to be displayed on editor

        */

       CEvtEvent&                       iEvent;

       /*

        *  help context object

        */

       TCoeHelpContext                  iHelpContext;  

       /**

       * Resource loader handle

       * Owns

       */

      RConeResourceLoader             iResourceLoader;

      /**

       * Reference to the Events UI Engine

       */

      CEvtMgmtUiEngine&               iEventEngine;

      /*

       * Optimization:It is used in order to avoid repeated check in dynitmenupaneL

       */

      TBool                           iDisplayExitMenuItem;

      /*

       * It determines which attributes are modified

       */

      TEvtEventAttributeMask          iEventAttributeMask;

      TInt                           iIsDragging;

 };

#endif /*EVTEDITOR_H_*/