/*

* Copyright (c) 2003-2006 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:  CMIDChoiceGroupItem implements the MID Form ChoiceGroup item

*

*/

#ifndef CMIDCHOICEGROUPITEM_H

#define CMIDCHOICEGROUPITEM_H

#include <eiktxlbx.h>

#include <eiktxlbm.h>

#include <eikclb.h>

#include <gulicon.h>

#include <aknlists.h>

#include "CMIDForm.h"

#include "CMIDCommand.h"

#include "CMIDControlItem.h"

// for MMIDChoiceGroupControlObserver interface in class declaration

#include "CMIDChoiceGroupControl.h"

// Class CMIDChoiceGroupItem

NONSHARABLE_CLASS(CMIDChoiceGroupItem) :

        public CMIDControlItem,

        public MMIDChoiceGroup,

        public MMIDChoiceGroupControlObserver

{

public:

    /**

     * Double ctor

     * @param aMIDEnv Environment

     * @return CMIDChoiceGroupItem instance

     *

     * @since s60

     */

    static CMIDChoiceGroupItem* NewL(

        MMIDEnv& aMIDEnv, const TDesC& aLabel, TInt aType,

        RArray<TPtrC>& aStringArray, RArray<MMIDImage*>& aImageArray, CMIDUIManager* aUIManager);

    ~CMIDChoiceGroupItem();

private:

    CMIDChoiceGroupItem(

        MMIDEnv& aMIDEnv,

        TInt aType,

        RArray<TPtrC>& aStringArray,

        RArray<MMIDImage*>& aImageArray,

        CMIDUIManager* aUIManager);

    void ConstructL(const TDesC& aLabel);

public:

//    void Draw(const TRect& aRect) const;

    void UpdateCommands();

public: // from MMIDChoiceGroup

    void InsertElementL(TInt aIndex, const TDesC& aText, MMIDImage* aImage);

    void DeleteElementL(TInt aIndex);

    void DeleteAllL();

    void SetElementL(TInt aIndex, const TDesC& aText, MMIDImage* aImage);

    void SelectElementL(TInt aIndex, TBool aSelected);

    TBool IsSelected(TInt aIndex);

    void SetFontL(TInt aIndex, MMIDFont* aFont);

    void SetFitPolicyL(TInt aFitPolicy);

public: // from MMIDItem

    void SetLabelL(const TDesC& aLabel);

    void SetLayoutL(TLayout aLayout);

    void SetPreferredSizeL(const TSize& aSize);

    TSize PreferredSize() const;

    TSize MinimumSize() const;

    void AddCommandL(MMIDCommand* aCommand);

    void RemoveCommand(MMIDCommand* aCommand);

    TBool IsSelectable() const

    {

        return ETrue;

    }

    void SetDefaultCommand(MMIDCommand* aCommand);

    TBool ProcessCommandL(CMIDCommand* aCommand);

    void HandleCurrentL(TBool aCurrent);

public: // from MMIDComponent

    void Dispose();

    inline TType Type() const

    {

        return EChoiceGroup;

    }

public: // from CCoeControl

    void SetContainerWindowL(const CCoeControl& aContainer);

    TInt CountComponentControls() const;

    CCoeControl* ComponentControl(TInt aIndex) const;

    void SizeChanged();

    TSize MinimumSize();

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

    // Responds to focus change.

    void FocusChanged(TDrawNow aDrawNow);

#ifdef RD_SCALABLE_UI_V2

    void HandlePointerEventL(const TPointerEvent& aPointerEvent);

#endif

public: // from CMIDControlItem

    // Returns a rect that should be partially visible for an Item to have focus

    virtual TRect FocusableRect();

    void ResolutionChange(TInt aType);

    void ColorChange(TInt aType);

    void RestoreInnerFocus();

public: // from MMIDChoiceGroupControlObserver

    virtual void HandleChoiceGroupControlEventL(

        CMIDChoiceGroupControl* aControl,

        TChoiceGroupControlEvent aEvent,

        TAny* aParam);

public: // From CMIDItem

    // Returns the item's preferred height without the label part

    TInt ItemPreferredHeightWithoutLabel();

    // Overridden, because the choice listbox needs to be created

    // only when adding the item to a form (the listbox very much

    // likes to have a parent window when created)

    void ItemAddedToFormL();

    void ItemRemovedFromForm();

    void NotifyScrollingCompleted();

    // from CMIDControlItem

    void PostFocusTransferEvent(TBool aFocus,CMIDForm::TDirection aDirection);

public: // New stuff (for control use mainly)

    // Retrieves the rect of the form where this item is

    TRect FormRect();

    void PostItemStateChangedEventL();

#ifdef RD_JAVA_S60_RELEASE_9_2

public:

    void PostPendingUpEventL();

    TBool LongTapDetected();

#endif // RD_JAVA_S60_RELEASE_9_2

private:

    void SafeDrawNow();

    void CreateChoiceGroupControlL(CCoeControl* aParent);

    void CalcChildSizes(

        const TRect& aItemRect,

        TRect& aLabelRect,

        TRect& aChoiceRect);

private:

    // Saved parameters

    MMIDChoiceGroup::TChoiceType iChoiceType;

    MMIDChoiceGroup::TFitPolicy iFitPolicy;

    MMIDEnv& iMIDEnv;

    // The actual control used in this item

    CMIDChoiceGroupControl* iChoiceGroupControl;

    CMIDCommand* iSelectCommand;

    CMIDCommand* iMarkCommand;

    CMIDCommand* iUnmarkCommand;

    // Saved initialization array pointers

    RArray<TPtrC>& iStringArray;

    RArray<MMIDImage*>& iImageArray;

#ifdef RD_JAVA_S60_RELEASE_9_2

    TBool           iLongTapDetected;

    TPointerEvent   iPendingUpEvent;

#endif // RD_JAVA_S60_RELEASE_9_2

};

#endif // CMIDCHOICEGROUPITEM_H