ImagePrint/ImagePrintUI/imageprinteng/src/cfloatcapability.cpp
branchRCL_3
changeset 21 d59c248c9d36
parent 0 d11fb78c4374
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ImagePrint/ImagePrintUI/imageprinteng/src/cfloatcapability.cpp	Wed Sep 01 12:30:38 2010 +0100
@@ -0,0 +1,131 @@
+/*
+* Copyright (c) 2004-2007 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:  
+*
+*/
+
+
+#include <AknQueryDialog.h>
+#include <StringLoader.h>
+#include <imageprintengine.rsg>
+
+#include "cfloatcapability.h"
+
+const TInt KMaxTRealCharNum( 30 );
+const TInt KDecimals( 2 );
+
+// Destructor
+CFloatCapability::~CFloatCapability()
+    { 
+    }
+
+// Creates text string for the settings list box
+HBufC* CFloatCapability::ListBoxTextL()
+    {   
+    const TInt KGranularity( 4 );
+    TRealFormat format( KMaxTRealCharNum, KDecimals );
+    TBuf<KMaxTRealCharNum> numStr;
+    
+    numStr.Zero();
+    numStr.AppendNum( iRealValue, format ); 
+
+    CDesCArrayFlat* strings = new ( ELeave ) CDesCArrayFlat( KGranularity );
+    CleanupStack::PushL( strings );
+    strings->AppendL( iTitle );
+    strings->AppendL( numStr );
+
+    HBufC* buf = StringLoader::LoadL( R_QTN_LBOX_FORMAT, *strings ); 
+    CleanupStack::PopAndDestroy();  // strings
+    
+    return buf;
+    }
+
+// Displays pop-up list for changing the active TInt value
+TBool CFloatCapability::LaunchPopupListL()
+    {    
+    TReal aMin = 0;
+    TReal aMax = TReal( iMaxNumerator )/TReal( iDenominator );
+
+    CAknFloatingPointQueryDialog* dlg = 
+        CAknFloatingPointQueryDialog::NewL( iRealValue );    
+    CleanupStack::PushL( dlg );
+    dlg->SetPromptL( iTitle );
+    dlg->PrepareLC( R_GENERIC_FLOAT_QUERY_DLG );
+    CleanupStack::Pop( dlg );
+    dlg->SetMinimumAndMaximum( aMin, aMax );
+	TBool valueChanged = dlg->RunLD();
+
+    if ( valueChanged )
+        {
+        iValue = TInt( TReal ( iRealValue / TReal ( iDenominator ) ) );
+        }
+
+    return valueChanged;
+    }
+
+// Clones itself
+CBaseCapability* CFloatCapability::CloneL()
+    {
+    CFloatCapability* clone = new ( ELeave ) CFloatCapability;    
+
+    clone->iDenominator = iDenominator;
+    clone->iIndexOnList = iIndexOnList;
+    clone->iMaxNumerator = iMaxNumerator;
+    clone->iValue = iValue;
+    clone->iTitle = iTitle;
+    clone->iUid = iUid;        
+    clone->iRealValue = iRealValue;
+            
+    return clone;
+    }
+
+// Sets the new values and checks the boundaries
+TInt CFloatCapability::SetValues( 
+    TInt aDenom, 
+    TInt aNumerator, 
+    TInt aMaxNumerator )
+    {
+    TInt err( KErrNone );
+
+    if ( aNumerator > aMaxNumerator )        
+        {
+        err = KErrArgument;
+        }
+    else
+        {
+        iDenominator = aDenom;
+        iValue = aNumerator;
+        iMaxNumerator = aMaxNumerator;
+        if( iDenominator != 0 )
+            {
+            iRealValue = TReal( iValue )/TReal( iDenominator );
+            }        
+        }
+
+    return err;
+    }
+
+// Numerator
+TInt CFloatCapability::Numerator() const
+    {
+    return iValue;
+    }
+
+// Denominator
+TInt CFloatCapability::Denominator() const
+    {
+    return iDenominator;
+    }
+
+//  End of File