--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/landmarksui/uicontrols/src/CLmkEditorNumberField.cpp	Tue Feb 02 00:16:03 2010 +0200
@@ -0,0 +1,406 @@
+/*
+* 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:    Methods for Landmark editor number field.
+*
+*/
+
+
+
+
+
+
+
+// INCLUDE FILES
+#include "CLmkEditorNumberField.h"
+#include "MLmkEditorUiBuilder.h"
+#include "LmkConsts.h"
+#include "landmarks.hrh"
+#include <eikcapc.h>
+#include <e32math.h>
+#include <aknuniteditor.h>
+#include <barsread.h>
+#include <lmkui.rsg>
+#include "clmkcentralrepository.h"
+#include <locnotprefplugindomaincrkeys.h>
+#include <centralrepository.h>
+#include <CLmkEditorDlg.h>
+
+//================== CONSTANTS===============================
+const TReal KFootToMeterFraction = 0.3048;
+// ================= MEMBER FUNCTIONS =======================
+
+// ----------------------------------------------------
+// CLmkEditorNumberField::CLmkEditorNumberField
+// ----------------------------------------------------
+//
+CLmkEditorNumberField::CLmkEditorNumberField
+        ( MLmkFieldData& aField,
+		  MLmkEditorUiBuilder& aUiBuilder ) :
+    CLmkEditorFieldBase( aField, aUiBuilder )
+    {
+    }
+
+// ----------------------------------------------------
+// CLmkEditorNumberField::ConstructL
+// ----------------------------------------------------
+//
+void CLmkEditorNumberField::ConstructL()
+    {
+    iRepository = CLmkCentralRepository::NewL();
+    CreateAvkonUnitEditorL();
+    iCaptionedCtrl = iUiBuilder.LineControl( ControlId() );
+    iCaptionedCtrl->SetTakesEnterKey( ETrue );
+    }
+
+// ----------------------------------------------------
+// CLmkEditorNumberField::NewL
+// ----------------------------------------------------
+//
+CLmkEditorNumberField* CLmkEditorNumberField::NewL
+        ( MLmkFieldData& aField,
+		 MLmkEditorUiBuilder& aUiBuilder )
+    {
+    CLmkEditorNumberField* self =
+        new(ELeave) CLmkEditorNumberField( aField, aUiBuilder );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// ----------------------------------------------------
+// CLmkEditorNumberField::~CLmkEditorNumberField
+// ----------------------------------------------------
+//
+CLmkEditorNumberField::~CLmkEditorNumberField()
+    {
+    delete iRepository;
+    }
+
+// ----------------------------------------------------
+// CLmkEditorNumberField::SaveFieldL
+// ----------------------------------------------------
+//
+TBool CLmkEditorNumberField::SaveFieldL()
+    {
+    TBool result = EFalse;
+	TReal32 oldData = LandmarkItemField().FloatData();
+	TReal32 currData = iControl->Value();
+	if( oldData != currData)
+        {
+        if (!IsSystemUnitMetric())
+            {
+            if (LandmarkItemField().FieldType() == EPositionAccuracy
+                    || LandmarkItemField().FieldType() == EAltitudeAccuracy)
+                {
+                if (currData < (KMinAccuracy / KFootToMeterFraction))
+                    {
+                    currData = (KMinAccuracy / KFootToMeterFraction);
+                    }
+                else if (currData > (KMaxAccuracy / KFootToMeterFraction))
+                    {
+                    currData = (KMaxAccuracy / KFootToMeterFraction);
+                    }
+                }
+            else if (LandmarkItemField().FieldType() == EAltitude)
+                {
+                if (currData < (KMinAltitude / KFootToMeterFraction))
+                    {
+                    currData = (KMinAltitude / KFootToMeterFraction);
+                    }
+                else if (currData > (KMaxAltitude / KFootToMeterFraction))
+                    {
+                    currData = (KMaxAltitude / KFootToMeterFraction);
+                    }
+                }
+
+            ConvertFromFootToMeters(currData);
+            }
+        else
+            {
+            if (LandmarkItemField().FieldType() == EPositionAccuracy
+                    || LandmarkItemField().FieldType() == EAltitudeAccuracy)
+                {
+                if (currData < KMinAccuracy)
+                    {
+                    currData = KMinAccuracy;
+                    }
+                else if (currData > KMaxAccuracy)
+                    {
+                    currData = KMaxAccuracy;
+                    }
+                }
+
+            else if (LandmarkItemField().FieldType() == EAltitude)
+                {
+                if (currData < KMinAltitude)
+                    {
+                    currData = KMinAltitude;
+                    }
+                else if (currData > KMaxAltitude)
+                    {
+                    currData = KMaxAltitude;
+                    }
+                }
+            }
+
+        LandmarkItemField().SetTReal(currData);
+        result = ETrue;
+        }
+   	return result;
+    }
+
+// ----------------------------------------------------
+// CLmkEditorNumberField::ActivateL
+// ----------------------------------------------------
+//
+void CLmkEditorNumberField::ActivateL()
+    {
+    iCaptionedCtrl->ActivateL();
+    }
+
+// ----------------------------------------------------
+// CLmkEditorNumberField::UpdateL
+// ----------------------------------------------------
+//
+void CLmkEditorNumberField::UpdateL()
+    {
+    TReal32 fieldData = LandmarkItemField().FloatData();
+    TReal32 dispData = fieldData;
+    if( fieldData == iDbData)
+	    {
+	    dispData = 	iConvertedData;
+	    }
+	else
+		{
+		if( !IsSystemUnitMetric())
+			{
+			//Imperial
+			iDbData = fieldData;
+			ConvertFromMetersToFoot( fieldData);
+			iConvertedData = fieldData;
+			dispData = 	iConvertedData;
+			}
+		}
+
+	ResolveUnitL();
+    iControl->SetValue( dispData );
+    }
+
+// ----------------------------------------------------
+// CLmkEditorNumberField::CreateAvkonUnitEditorL
+// ----------------------------------------------------
+//
+void CLmkEditorNumberField::CreateAvkonUnitEditorL()
+	{
+	 // Create Distance editor using AVKON's unit editor
+    // and insert a line in the dialog
+   iControl = static_cast<CAknUnitEditor*>( iUiBuilder.CreateLineL(
+            FieldLabel(), LandmarkItemField().UniqueFieldIdentity(),
+            EAknCtUnitEditor ) );
+    //read control from resource file.
+    TResourceReader reader;
+	iEnv->CreateResourceReaderLC(reader, R_LMK_UNIT_EDITOR);
+	iControl->ConstructFromResourceL(reader);
+	CleanupStack::PopAndDestroy();// reader
+	ResolveUnitL();
+
+	// Obtain the current system of measurement
+	TInt sysOfMeasurement = EAknUnitEditorMeter;
+	if( !IsSystemUnitMetric())
+		{
+		sysOfMeasurement = EAknUnitEditorFoot;
+		}
+
+    /*
+     if ( LandmarkItemField().FieldType() == EPositionAccuracy ||
+     LandmarkItemField().FieldType() == EAltitudeAccuracy )
+     {
+     if( EAknUnitEditorMeter == sysOfMeasurement )
+     {
+     iControl->SetMinimumAndMaximum(KMinAccuracy, KMaxAccuracy);
+     }
+     else
+     {
+     iControl->SetMinimumAndMaximum( KMinAccuracy / KFootToMeterFraction,
+     KMaxAccuracy / KFootToMeterFraction );
+     }
+
+     }
+     else if ( LandmarkItemField().FieldType() == EAltitude )
+     {
+     if( EAknUnitEditorMeter == sysOfMeasurement )
+     {
+     iControl->SetMinimumAndMaximum( KMinAltitude, KMaxAltitude );
+     }
+     else
+     {
+     iControl->SetMinimumAndMaximum( KMinAltitude / KFootToMeterFraction,
+     KMaxAltitude / KFootToMeterFraction );
+     }
+     }
+     */
+
+    TReal32 fieldData = LandmarkItemField().FloatData();
+    iDbData = fieldData;
+    iConvertedData = fieldData;
+
+	if( EAknUnitEditorFoot == sysOfMeasurement )
+		{
+		//Imperial
+		ConvertFromMetersToFoot( fieldData);
+		iConvertedData = fieldData;
+		}
+	iControl->SetValue(iConvertedData);
+	}
+
+// -----------------------------------------------------------------------------
+//CLmkEditorNumberField::FieldValue()
+// -----------------------------------------------------------------------------
+//
+TReal CLmkEditorNumberField::FieldValue() const
+	{
+	return iControl->Value();
+	}
+
+// -----------------------------------------------------------------------------
+//CLmkEditorNumberField::ResolveUnitL()
+// -----------------------------------------------------------------------------
+//
+void CLmkEditorNumberField::ResolveUnitL()
+	{
+    TReal fieldData = LandmarkItemField().FloatData();
+
+    if( IsSystemUnitMetric())
+		{
+		TInt fieldUnit = EAknUnitEditorMeter;
+		iControl->SetUnitL( fieldUnit );
+		}
+	else
+		{
+		TInt fieldUnit = EAknUnitEditorFoot;
+		iControl->SetUnitL( fieldUnit );
+		}
+	}
+
+// -----------------------------------------------------------------------------
+//CLmkEditorNumberField::ConvertFromFootToMeters()
+// -----------------------------------------------------------------------------
+//
+void CLmkEditorNumberField::ConvertFromFootToMeters(TReal32& aValue)
+	{
+
+	aValue *= KFootToMeterFraction;
+
+	}
+
+// -----------------------------------------------------------------------------
+//CLmkEditorNumberField::ConvertFromMetersToFoot()
+// -----------------------------------------------------------------------------
+//
+void CLmkEditorNumberField::ConvertFromMetersToFoot(TReal32& aValue)
+	{
+
+	aValue /= KFootToMeterFraction;
+
+	}
+
+// -----------------------------------------------------------------------------
+//CLmkEditorNumberField::IsSystemUnitMetric()
+// -----------------------------------------------------------------------------
+//
+TBool CLmkEditorNumberField::IsSystemUnitMetric()
+	{
+	TBool result = EFalse;
+	TInt keyValue;
+	TInt err = iRepository->GetKeyValue( KLocSystemofMeasurements, keyValue );
+	if( keyValue == EUnitsMetric )
+		{
+		result = ETrue;
+		}
+	return result;
+	}
+
+
+// -----------------------------------------------------------------------------
+//CLmkEditorNumberField::HandleUnitChangeL()
+// -----------------------------------------------------------------------------
+//
+void CLmkEditorNumberField::HandleUnitChangeL()
+	{
+	// Obtain the current system of measurement
+	TInt sysOfMeasurement = EAknUnitEditorMeter;
+	if( !IsSystemUnitMetric())
+		{
+		sysOfMeasurement = EAknUnitEditorFoot;
+		}
+
+	TReal32 controlData = iControl->Value();
+	if( controlData != iConvertedData)
+		{
+		iConvertedData = controlData;
+		}
+
+    if( EAknUnitEditorMeter == sysOfMeasurement )
+	    {
+
+	    //Imperial to metric
+	    ConvertFromFootToMeters( iConvertedData );
+	    }
+	else
+		{
+		//metric to imperial
+		ConvertFromMetersToFoot( iConvertedData );
+		}
+
+    if ( LandmarkItemField().FieldType() == EPositionAccuracy ||
+    	 LandmarkItemField().FieldType() == EAltitudeAccuracy )
+        {
+        if( EAknUnitEditorMeter == sysOfMeasurement )
+        	{
+        	iControl->SetMinimumAndMaximum(KMinAccuracy, KMaxAccuracy);
+        	}
+		else
+			{
+			iControl->SetMinimumAndMaximum( KMinAccuracy / KFootToMeterFraction,
+							 			    KMaxAccuracy / KFootToMeterFraction );
+			}
+        }
+    else if ( LandmarkItemField().FieldType() == EAltitude )
+        {
+        if( EAknUnitEditorMeter == sysOfMeasurement )
+        	{
+        	iControl->SetMinimumAndMaximum( KMinAltitude, KMaxAltitude );
+        	}
+		else
+			{
+        	iControl->SetMinimumAndMaximum( KMinAltitude / KFootToMeterFraction,
+        									KMaxAltitude / KFootToMeterFraction );
+			}
+        }
+	ResolveUnitL();
+    iControl->SetValue( iConvertedData );
+	}
+
+// -----------------------------------------------------------------------------
+//CLmkEditorFieldBase::ResetL()
+// -----------------------------------------------------------------------------
+//
+void CLmkEditorNumberField::ResetL()
+	{
+	TRealX temp;
+    temp.SetNaN();
+    iControl->SetValue(temp);
+	}
+// End of File