landmarksui/uicontrols/inc/CLmkDecimalEditor.h
branchRCL_3
changeset 18 870918037e16
parent 0 522cd55cc3d7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/landmarksui/uicontrols/inc/CLmkDecimalEditor.h	Wed Sep 01 12:31:27 2010 +0100
@@ -0,0 +1,118 @@
+/*
+* Copyright (c) 2005 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:    LandmarksUi Content File -    Float editor for editor/viewer form
+*
+*/
+
+
+
+
+
+
+#ifndef CLMKDECIMALEDITOR_H
+#define CLMKDECIMALEDITOR_H
+
+//  INCLUDES
+#include <eikmfne.h>
+
+// CLASS DECLARATION
+
+/**
+* CLmkDecimalEditor class
+* Contain two number editor and one separator.
+*/
+class CLmkDecimalEditor : public CEikMfneField
+	{
+public:
+	enum
+		{
+		EFillWithLeadingZeros			=0x1,
+		EPreserveOldWidthBeforeEditing	=0x2,
+		ERepresentsYear					=0x4,
+		EPublicallySettableFlags		=EFillWithLeadingZeros|EPreserveOldWidthBeforeEditing|ERepresentsYear
+		};
+private:
+	enum
+		{
+		EIsBeingEditedWithCursor		=0x8,
+		EIsUninitialised				=0x10
+		};
+private:
+	CLmkDecimalEditor(TInt aMinimumValue, TInt aMaximumValue, TUint32 aFlags);
+	void ConstructL(TInt aNumberOfZeros);
+public:
+	virtual ~CLmkDecimalEditor();
+	static CLmkDecimalEditor* NewL(const CFont& aFont, TResourceReader& aResourceReader);
+	static CLmkDecimalEditor* NewL(const CFont& aFont, TInt aMinimumValue, TInt aMaximumValue, TInt aInitialValue, TUint32 aFlags, TInt aNumberOfZeros);
+	void SetMinimumAndMaximum(TInt aMinimumValue, TInt aMaximumValue, const CFont& aFont); // only values inside the initial minimum and maximum are permitted
+	void GetMinimumAndMaximum(TInt& aMinimumValue, TInt& aMaximumValue) const;
+	void SetValue(TInt aValue, const CFont& aFont);
+	TReal Value() const;
+	virtual TBool IsValid() const;
+
+	void SetUninitialised(TBool aUninitialised);
+	TBool IsUninitialised() const;
+
+public:	// International digit support is only public to to eikstd
+	void SetDigitType(TDigitType aDigitType, const CFont& aFont);
+	TDigitType DigitType() const;
+
+	// Derive digit display type from locale information
+	void RefreshDigitType(const CFont& aFont);
+
+public:
+	TBool IsTextNull() const;
+private: // framework
+	virtual TInt MaximumWidthInPixels(const CFont& aFont, TBool aShrinkToMinimumSize);
+	virtual TCoeInputCapabilities InputCapabilities() const;
+	virtual TBool IsEditable() const;
+	virtual THighlightType HighlightType() const;
+	virtual void HandleKey(const CFont& aFont, const TKeyEvent& aKeyEvent, TBool aInterpretLeftAndRightAsEarEvents, TBool& aDataAltered, TInt& aHighlightIncrement);
+	virtual void HandleDeHighlight(const CFont& aFont, CEikonEnv& aEikonEnv, TBool& aDataAltered, TBool& aError);
+	virtual const TDesC& Text() const;
+	void InvalidFieldAlert() const;
+	TInt AdditionalWidthForHighlights(const CFont& aFont) const;
+	TInt WidthInPixels(const CFont& aFont) const;
+
+private:
+	TInt MaximumNumberOfDigits() const;
+	TInt NumberOfDigits() const;
+	void SetTextToValue(TInt aValue, const CFont& aFont);
+	TInt ValueFromText() const;
+	TBool ConvertsIntoValidValue(TInt& aValue) const;
+
+private: // International digit support
+	TChar NormalizeDigit(TChar aChar);
+	TText ZeroCharacter() const;
+	TText NegativeCharacter() const;
+
+private:
+	TInt iMinimumValue;
+	TInt iMaximumValue;
+	TInt iMaxDigits;
+	TUint32 iFlags;
+	HBufC* iText;
+	TChar iNudgeCharMinus;
+	TChar iNudgeCharPlus;
+	TInt iMaxDigitsMinimumValue;
+    TInt iMaxDigitsMaximumValue;
+	TDigitType	iDigitType;
+	TInt iNumberOfZeros;
+
+protected:
+    // Ref
+    CEikonEnv*	iEnv;
+	};
+
+#endif
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