/*

* Copyright (c) 2003 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:  Implements the Form LCDUI component.

*

*/

#ifndef CMIDFORMROW_H

#define CMIDFORMROW_H

// CCoeControl inheritance in CMIDFormRow class

// and API from CCoeControl

#include <coecntrl.h>

#include <lcdui.h>

class CMIDForm;

class CMIDControlItem;

/**

 * A row in a form. Manages form items that have been assigned to this

 * row by the form.

 *

 * @see CMIDForm, CMIDControlItem

 */

NONSHARABLE_CLASS(CMIDFormRow) : public CCoeControl

{

public:

    static CMIDFormRow* NewL(CMIDForm& aForm);

    ~CMIDFormRow();

public: // From CCoeControl

    TInt CountComponentControls() const;

    CCoeControl* ComponentControl(TInt aIndex) const;

    virtual void SizeChanged();

    virtual TSize MinimumSize();

public: // interface to CMIDForm

    void AppendL(CMIDControlItem* aItem);

    void SetAlignment(MMIDItem::TLayout aAlignment);

    void SizeItemsL();

    TInt NumItems();

    TInt Find(const CMIDControlItem* aItem) const;

    CMIDControlItem* Item(TInt aIndex);

    TBool HasFocusableItemOnOrAboveScreen();

    TBool HasFocusableItemOnOrBelowScreen();

    CMIDControlItem* FirstFocusableItemOnScreen();

    CMIDControlItem* FirstFocusableItem();

    CMIDControlItem* LastFocusableItem();

    TBool RemoveItemIfExists(CMIDControlItem& aItem);

    TInt CurrentWidth();

    TBool HasNonSpacerItems() const;

    inline void SetEmptyRowSize(const TSize& aEmptyRowSize);

    inline const TSize& EmptyRowSize() const;

private:

    CMIDFormRow(CMIDForm& aForm);

    void ConstructL();

private:

    CMIDForm& iForm;

    MMIDItem::TLayout iAlignment; // ELeft, ERight, or ECenter

    RArray<CMIDControlItem*> iItems;

    TSize  iEmptyRowSize; // size used for empty rows

    TInt iCurrentWidth;             // used when adding items to the row. Keeps track of the total width of items added to row

};

inline void CMIDFormRow::SetEmptyRowSize(const TSize& aEmptyRowSize)

{

    iEmptyRowSize = aEmptyRowSize;

}

inline const TSize& CMIDFormRow:: EmptyRowSize() const

{

    return iEmptyRowSize;

}

#endif // CMIDFORMROW_H