1 /*

     2 * Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

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

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:    LandmarksUi Content File -    Float editor for editor/viewer form

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 

    22 

    23 #ifndef CLMKDECIMALEDITOR_H

    24 #define CLMKDECIMALEDITOR_H

    25 

    26 //  INCLUDES

    27 #include <eikmfne.h>

    28 

    29 // CLASS DECLARATION

    30 

    31 /**

    32 * CLmkDecimalEditor class

    33 * Contain two number editor and one separator.

    34 */

    35 class CLmkDecimalEditor : public CEikMfneField

    36 	{

    37 public:

    38 	enum

    39 		{

    40 		EFillWithLeadingZeros			=0x1,

    41 		EPreserveOldWidthBeforeEditing	=0x2,

    42 		ERepresentsYear					=0x4,

    43 		EPublicallySettableFlags		=EFillWithLeadingZeros|EPreserveOldWidthBeforeEditing|ERepresentsYear

    44 		};

    45 private:

    46 	enum

    47 		{

    48 		EIsBeingEditedWithCursor		=0x8,

    49 		EIsUninitialised				=0x10

    50 		};

    51 private:

    52 	CLmkDecimalEditor(TInt aMinimumValue, TInt aMaximumValue, TUint32 aFlags);

    53 	void ConstructL(TInt aNumberOfZeros);

    54 public:

    55 	virtual ~CLmkDecimalEditor();

    56 	static CLmkDecimalEditor* NewL(const CFont& aFont, TResourceReader& aResourceReader);

    57 	static CLmkDecimalEditor* NewL(const CFont& aFont, TInt aMinimumValue, TInt aMaximumValue, TInt aInitialValue, TUint32 aFlags, TInt aNumberOfZeros);

    58 	void SetMinimumAndMaximum(TInt aMinimumValue, TInt aMaximumValue, const CFont& aFont); // only values inside the initial minimum and maximum are permitted

    59 	void GetMinimumAndMaximum(TInt& aMinimumValue, TInt& aMaximumValue) const;

    60 	void SetValue(TInt aValue, const CFont& aFont);

    61 	TReal Value() const;

    62 	virtual TBool IsValid() const;

    63 

    64 	void SetUninitialised(TBool aUninitialised);

    65 	TBool IsUninitialised() const;

    66 

    67 public:	// International digit support is only public to to eikstd

    68 	void SetDigitType(TDigitType aDigitType, const CFont& aFont);

    69 	TDigitType DigitType() const;

    70 

    71 	// Derive digit display type from locale information

    72 	void RefreshDigitType(const CFont& aFont);

    73 

    74 public:

    75 	TBool IsTextNull() const;

    76 private: // framework

    77 	virtual TInt MaximumWidthInPixels(const CFont& aFont, TBool aShrinkToMinimumSize);

    78 	virtual TCoeInputCapabilities InputCapabilities() const;

    79 	virtual TBool IsEditable() const;

    80 	virtual THighlightType HighlightType() const;

    81 	virtual void HandleKey(const CFont& aFont, const TKeyEvent& aKeyEvent, TBool aInterpretLeftAndRightAsEarEvents, TBool& aDataAltered, TInt& aHighlightIncrement);

    82 	virtual void HandleDeHighlight(const CFont& aFont, CEikonEnv& aEikonEnv, TBool& aDataAltered, TBool& aError);

    83 	virtual const TDesC& Text() const;

    84 	void InvalidFieldAlert() const;

    85 	TInt AdditionalWidthForHighlights(const CFont& aFont) const;

    86 	TInt WidthInPixels(const CFont& aFont) const;

    87 

    88 private:

    89 	TInt MaximumNumberOfDigits() const;

    90 	TInt NumberOfDigits() const;

    91 	void SetTextToValue(TInt aValue, const CFont& aFont);

    92 	TInt ValueFromText() const;

    93 	TBool ConvertsIntoValidValue(TInt& aValue) const;

    94 

    95 private: // International digit support

    96 	TChar NormalizeDigit(TChar aChar);

    97 	TText ZeroCharacter() const;

    98 	TText NegativeCharacter() const;

    99 

   100 private:

   101 	TInt iMinimumValue;

   102 	TInt iMaximumValue;

   103 	TInt iMaxDigits;

   104 	TUint32 iFlags;

   105 	HBufC* iText;

   106 	TChar iNudgeCharMinus;

   107 	TChar iNudgeCharPlus;

   108 	TInt iMaxDigitsMinimumValue;

   109     TInt iMaxDigitsMaximumValue;

   110 	TDigitType	iDigitType;

   111 	TInt iNumberOfZeros;

   112 

   113 protected:

   114     // Ref

   115     CEikonEnv*	iEnv;

   116 	};

   117 

   118 #endif