--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/landmarksui/uicontrols/src/CLmkFloatEditor.cpp	Wed Sep 01 12:31:27 2010 +0100
@@ -0,0 +1,332 @@
+/*
+* Copyright (c) 2002 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 -
+*
+*/
+
+
+
+
+
+
+
+
+// INCLUDE FILES
+#include <LmkUi.rsg>
+#include <e32math.h>
+#include <eikmfne.h>
+#include <AknUtils.h>
+#include <AknEditStateIndicator.h>
+#include <eikenv.h>
+#include <stringloader.h>
+
+#include "landmarks.hrh"
+#include "LmkConsts.h"
+
+#include "CLmkMfneFloat.h"
+#include "CLmkFloatEditor.h"
+
+// CONSTANTS
+/// Unnamed namespace for local definitions
+namespace {
+
+#if defined(_DEBUG)
+void Panic(TInt aReason)
+    {
+    _LIT(KPanicCategory, "CLmkFloatEditor");
+    User::Panic(KPanicCategory, aReason);
+    }
+#endif
+
+}  // namespace
+
+// ============================ MEMBER FUNCTIONS ==============================
+
+// ----------------------------------------------------------------------------
+// CLmkFloatEditor::CLmkFloatEditor
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// ----------------------------------------------------------------------------
+//
+CLmkFloatEditor::CLmkFloatEditor()
+    {
+    iIsMirroredLayout = AknLayoutUtils::LayoutMirrored();
+    }
+
+// ----------------------------------------------------
+// CLmkFloatEditor::BaseConstructL
+// ----------------------------------------------------
+//
+ void CLmkFloatEditor::BaseConstructL(TInt aMaxNumFields)
+	{
+    __ASSERT_DEBUG(aMaxNumFields > 0, Panic(KErrArgument));
+    CreateFieldArrayL(aMaxNumFields);
+	}
+
+// ----------------------------------------------------
+// CLmkFloatEditor::ConstructValueFieldL
+// ----------------------------------------------------
+//
+ void CLmkFloatEditor::ConstructValueFieldL(
+    TInt aMaxNumSignificantDigits,
+    TInt aMaxDecimals)
+    {
+    __ASSERT_DEBUG(iValueField == NULL, Panic(KErrGeneral));
+
+	iValueField =
+	    CLmkMfneFloat::NewL(
+	        aMaxNumSignificantDigits,
+	        aMaxDecimals);
+
+	AddField(iValueField);
+	}
+
+// ----------------------------------------------------------------------------
+// CLmkFloatEditor::~CLmkFloatEditor
+// ----------------------------------------------------------------------------
+//
+CLmkFloatEditor::~CLmkFloatEditor()
+    {
+    }
+
+// ----------------------------------------------------
+// CLmkDistanceEditor::SetNumberL
+// ----------------------------------------------------
+//
+void CLmkFloatEditor::SetNumber(TReal aNumber)
+    {
+    __ASSERT_DEBUG(iValueField, Panic(KErrGeneral));
+    iValueField->SetValue(aNumber);
+    HandleValueChanged();
+    }
+
+// ----------------------------------------------------
+// CLmkFloatEditor::Number
+// ----------------------------------------------------
+//
+TReal CLmkFloatEditor::Number() const
+    {
+    __ASSERT_DEBUG(iValueField, Panic(KErrGeneral));
+    return iValueField->Value();
+    }
+
+// ----------------------------------------------------
+// CLmkFloatEditor::IsModified
+// ----------------------------------------------------
+//
+TBool CLmkFloatEditor::IsModified()
+    {
+    return iIsModified;
+    }
+
+// ----------------------------------------------------
+// CLmkFloatEditor::IsNan
+// ----------------------------------------------------
+//
+TBool CLmkFloatEditor::IsNan()
+    {
+    __ASSERT_DEBUG(iValueField, Panic(KErrGeneral));
+    return Math::IsNaN(iValueField->Value());
+    }
+
+// ----------------------------------------------------
+// CLmkFloatEditor::SetLimits
+// ----------------------------------------------------
+//
+TBool CLmkFloatEditor::SetLimits(TReal aMinimumValue, TReal aMaximumValue)
+    {
+    __ASSERT_DEBUG(iValueField, Panic(KErrGeneral));
+    if (iValueField->SetLimits(aMinimumValue, aMaximumValue))
+        {
+        HandleValueChanged();
+        return ETrue;
+        }
+    else
+        {
+        return EFalse;
+        }
+    }
+
+// ----------------------------------------------------
+// CLmkFloatEditor::GetLimits
+// ----------------------------------------------------
+//
+void CLmkFloatEditor::GetLimits(TReal& aMinimum, TReal& aMaximum)
+    {
+    __ASSERT_DEBUG(iValueField, Panic(KErrGeneral));
+    iValueField->GetLimits(aMinimum, aMaximum);
+    }
+
+// ----------------------------------------------------
+// CLmkFloatEditor::HandleValueChanged
+// ----------------------------------------------------
+//
+void CLmkFloatEditor::HandleValueChanged()
+    {
+    if (IsNan())
+        {
+        // switch to iValueField,
+        // otherwise it won't be possible to enter value anymore
+        if (Field(CurrentField()) != iValueField)
+            {
+            HighlightField(FindValueField());
+            }
+        }
+    DrawDeferred();
+    }
+
+// ----------------------------------------------------
+// CLmkFloatEditor::HandleCustomFieldChanged
+// ----------------------------------------------------
+//
+void CLmkFloatEditor::HandleCustomFieldChanged(TInt /*aCustomFieldIndex*/)
+    {
+    DrawDeferred();
+    }
+
+void CLmkFloatEditor::HandleEnter()
+    {
+    DrawDeferred();
+    }
+
+void CLmkFloatEditor::HandleExit()
+    {
+    DrawDeferred();
+    }
+
+// ----------------------------------------------------
+// CLmkFloatEditor::FindValueField
+// ----------------------------------------------------
+//
+TInt CLmkFloatEditor::FindValueField()
+    {
+    for (TInt i = 0; i < NumFields(); i++)
+        {
+        if (Field(i) == iValueField)
+            {
+            return i;
+            }
+        }
+    return KErrNotFound;
+    }
+
+// ----------------------------------------------------
+// CLmkFloatEditor::HighlightField
+// ----------------------------------------------------
+//
+void CLmkFloatEditor::HighlightField(TInt aFieldPosition)
+    {
+    if (CurrentField() != aFieldPosition)
+        {
+        TBool dataAltered = EFalse;
+        TBool error = EFalse;
+        const CFont& font=*Font();
+
+        CEikMfne::HandleInteraction(
+            ETrue,
+            aFieldPosition,
+            Field(CurrentField())->MaximumWidthInPixels(font, EFalse),
+            Field(CurrentField())->HighlightType(),
+            dataAltered,
+            error);
+        }
+    }
+
+// ----------------------------------------------------
+// CLmkFloatEditor::FocusChanged
+// ----------------------------------------------------
+//
+void CLmkFloatEditor::FocusChanged(TDrawNow aDrawNow)
+    {
+    if (!IsReadyToDraw())
+        {
+        // this is workaround for MFNE's bug.
+        // otherwise it will panic hiding cursor
+        return;
+        }
+
+    if (IsFocused())
+        {
+        HandleEnter();
+
+        // need to inform CLmkMfneFloat that it is highlighted
+        // because CEikMfne does not do it
+        if (iValueField &&
+            iValueField == Field(CurrentField()))
+            {
+            iValueField->HandleHighlight();
+            }
+        }
+    else
+        {
+        HandleExit();
+        }
+
+    CEikMfne::FocusChanged(aDrawNow);
+    }
+
+// ----------------------------------------------------
+// CLmkFloatEditor::OfferKeyEventL
+// ----------------------------------------------------
+//
+TKeyResponse CLmkFloatEditor::OfferKeyEventL(
+    const TKeyEvent& aKeyEvent,
+    TEventCode aType)
+    {
+
+    // disallow switch to other fields if value is nan,
+    // because it's hard to inform CLmkMfneFloat
+    // that focus has changed to it from other field.
+    // If it is not done, then CEikMfne will panic when
+    // hiding cursor
+    if (IsNan() &&
+       (aKeyEvent.iCode == EKeyLeftArrow ||
+        aKeyEvent.iCode == EKeyRightArrow))
+        {
+        return EKeyWasConsumed;
+        }
+
+    TInt oldField = CurrentField();
+    TKeyResponse response = CEikMfne::OfferKeyEventL(aKeyEvent, aType);
+
+    if (response == EKeyWasConsumed)
+        {
+        // update focus state in CLmkMfneFloat
+        if (oldField != CurrentField() &&
+            Field(CurrentField()) == iValueField)
+            {
+            iValueField->HandleHighlight();
+            }
+
+        // inform about changes
+        if (aKeyEvent.iCode != EKeyLeftArrow &&
+            aKeyEvent.iCode != EKeyRightArrow)
+            {
+            iIsModified = ETrue;
+            if (Field(oldField) == iValueField)
+                {
+                HandleValueChanged();
+                }
+            else
+                {
+                HandleCustomFieldChanged(oldField);
+                }
+            }
+        }
+
+    DrawNow();
+    return response;
+    }
+
+//  End of File