uifw/AvKon/src/AknQueryValueText.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 14 Sep 2010 21:48:24 +0300
branchRCL_3
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Revision: 201033 Kit: 201035
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/*
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* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: 
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*
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*/
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// AknQueryValueText.cpp
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//
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// Copyright (c) 2001 Symbian Ltd.  All rights reserved.
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//
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#include "eikenv.h"
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#include <eikmfne.h>
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#include <avkon.hrh>
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#include <avkon.rsg>
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#include "AknQueryValueText.h"
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#include "AknQueryDialog.h"
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#include "akntextsettingpage.h"
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#include "AknPanic.h"
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//-------------------------------------------------
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// class CAknQueryValueText
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//-------------------------------------------------
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/**
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 * First stage of two stage construction.
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 */
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EXPORT_C CAknQueryValueText* CAknQueryValueText::NewL()
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	{
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	CAknQueryValueText* self = NewLC();
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	CleanupStack::Pop();
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	return self;
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	}
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/**
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 * First stage of two stage construction.
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 */
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EXPORT_C CAknQueryValueText* CAknQueryValueText::NewLC()
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	{
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	CAknQueryValueText* self = new(ELeave) CAknQueryValueText;
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	CleanupStack::PushL(self);
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	self->ConstructL();
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	return self;
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	}
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/**
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 * Destructor.
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 */
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EXPORT_C CAknQueryValueText::~CAknQueryValueText()
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	{
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	delete iText;
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	}
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/**
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 * Set the array.
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 * 
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 * @param aArray pointer to array, ownership is not passed
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 */
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EXPORT_C void CAknQueryValueText::SetArrayL(const CAknQueryValueTextArray* aArray)
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	{
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	iArray = aArray;
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	}
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/**
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 * Set the string used for the query caption to be a string other than the default.
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 *
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 * @param aResourceId		resource id of string to use for caption.
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 *
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 */
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EXPORT_C void CAknQueryValueText::SetQueryCaption(TInt aResourceId)
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	{
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	iQueryCaptionId = aResourceId;
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	}
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/**
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 * Return the current value, which may have been set by the user
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 *
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 * @return The current value, ownership is not passed
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 *
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 */
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EXPORT_C HBufC* CAknQueryValueText::Value() const
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	{
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	return iText;
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	}
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/**
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 * Returns the array as a descriptor array
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 * 
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 * @return descriptor array, ownership is not passed
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 */
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EXPORT_C const MDesCArray* CAknQueryValueText::MdcArray() const
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	{
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	return iArray;
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	}
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/**
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 * Returns the current value as text
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 * 
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 * @return	descriptor representing current value, new 
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 * descriptor is created and left on cleanup stack, ownership passed back to client
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 */
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EXPORT_C HBufC* CAknQueryValueText::CurrentValueTextLC()
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	{
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	HBufC* buf = HBufC::NewMaxLC(iText->Length());
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	TPtr ptr = buf->Des();
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	ptr = *iText;
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	return buf;
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	}
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   122
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   123
/**
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 * Returns the index in the array of the current value. 
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 * If there are duplicates, returns the index of the first match.
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 * If there are no matches, returns zero;
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 *
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 * @return index in array of current value
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   129
 */
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EXPORT_C TInt CAknQueryValueText::CurrentValueIndex() const
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	{
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	return iCurrentIndex;
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	}
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   134
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   135
/**
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 * Changes the current value to correspond to a value in the array.
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 *
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 * @param aIndex	index in array of value to set as current
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 */
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EXPORT_C void CAknQueryValueText::SetCurrentValueIndex(const TInt aIndex)
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	{
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	iCurrentIndex = aIndex;
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	const CAknQueryValueTextArray::TextArray* textArray = iArray->Array();
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	TPtrC newPtr;
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   145
	if (IsValidIndex(iCurrentIndex))
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	    newPtr.Set(textArray->MdcaPoint(aIndex));
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	else
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	    newPtr.Set(KNullDesC);
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   149
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	if (newPtr.Length() > iText->Des().MaxLength())
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		{
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		HBufC* newtext = HBufC::New(newPtr.Length());
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		if (newtext)
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			{
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			delete iText;
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			iText = NULL;
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			iText = newtext;
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			}
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		else
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			{// there was a problem allocating more mem so do nothing and return
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			return;
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   162
			}
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		}
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	TPtr currentPtr = iText->Des();
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	currentPtr = newPtr;
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   166
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	}
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   168
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   169
/**
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 * Creates a dialog containing a query control. If the value is edited and the Dialog
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   171
 * OK'd, the new value will be set as the current value. Otherwise the current value 
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 * remains unchanged.
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   173
 *
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 * @return	ETrue if current value was altered; EFalse otherwise
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   175
 */
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   176
EXPORT_C TBool CAknQueryValueText::CreateEditorL()
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	{
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	TBool result = EFalse;
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	TInt keyPressed;
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   180
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	HBufC* queryString = CEikonEnv::Static()->AllocReadResourceLC(iQueryCaptionId);
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	TPtr textPtr = iText->Des();
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   183
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   184
	if ( iFlags.IsSet( ESettingPageModeBitIndex ) )
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   185
		{
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   186
		CAknTextSettingPage* dlg =  new ( ELeave ) CAknTextSettingPage (
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   187
			queryString, EAknSettingPageNoOrdinalDisplayed, 
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   188
			EEikCtEdwin, R_AVKON_DEFAULT_SETTING_PAGE_TEXT_EDITOR, 
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   189
			0, textPtr, 0 );
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   190
		result =  dlg->ExecuteLD( );
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   191
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   192
		if ( result )
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   193
			keyPressed = EAknSoftkeyOk;
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   194
		else
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   195
			keyPressed = EAknSoftkeyCancel;
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   196
		}
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   197
	else
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   198
		{
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   199
		CAknTextQueryDialog* dlg = CAknTextQueryDialog::NewL(textPtr);
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   200
		keyPressed = dlg->ExecuteLD(R_AVKON_DIALOG_QUERY_VALUE_TEXT,*queryString);
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   201
		}
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   202
	CleanupStack::PopAndDestroy(); // queryString
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diff changeset
   203
	
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   204
	switch(keyPressed)
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   205
		{
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   206
	case EAknSoftkeyOk:
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   207
		result = ETrue;
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   208
		if ( iFlags.IsSet( EAutoAppendBitIndex ) )
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   209
			{
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   210
			AppendValueIfNewL();
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   211
			}
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   212
		CalculateCurrentIndex();
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   213
		break;
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diff changeset
   214
	case EAknSoftkeyCancel:
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   215
		// fall through
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   216
	case EAknSoftkeyBack:
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   217
		// fall through
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   218
	default:
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   219
		result = EFalse;
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   220
		break;
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parents:
diff changeset
   221
		}
2f259fa3e83a Revision: 201003
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parents:
diff changeset
   222
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   223
	return result;
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   224
	}
2f259fa3e83a Revision: 201003
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parents:
diff changeset
   225
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parents:
diff changeset
   226
/**
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   227
 * Two stage construction
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   228
 *
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   229
 */
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void CAknQueryValueText::ConstructL()
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	{
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	iQueryCaptionId = R_AVKON_TBUF_POPUP_FIELD_DEFAULT_TEXT_QUERY_PROMPT;
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	iText = HBufC::NewL(CAknQueryValueTextArray::KSafeSizeOfDescriptorForTextFormat);
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	}
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/**
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 * Constructor.
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 *
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 */
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CAknQueryValueText::CAknQueryValueText()
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	{
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	}
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/**
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 * Search for the current value in the list, and set the current index 
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 * to be the found index. If not found, set current index to 1 after the size of the array.
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 *
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 */
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void CAknQueryValueText::CalculateCurrentIndex()
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	{
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	// ensure that if the new value is not in the list, the current index is set to the beginning
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	TInt index = 0; 
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	const CAknQueryValueTextArray::TextArray* textArray = iArray->Array();
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	TInt length = textArray->MdcaCount();
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	// search through array to find match for current value
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	TInt res = 0;
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	for(TInt i = 0; i < length; i++)
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		{
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		res = textArray->MdcaPoint(i).Compare(*iText);
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		if(res == 0)
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			{
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			index = i;
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			break;
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			}
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		}
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	if(res) // no match found, set index to last option
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		index = length;
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	iCurrentIndex = index;
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	}
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/**
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 * Append the current value if it is new
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 *
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 *
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 */
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void CAknQueryValueText::AppendValueIfNewL()
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	{
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	const CAknQueryValueTextArray::TextArray* array = iArray->Array();
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	CalculateCurrentIndex();
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	if ( iCurrentIndex == array->MdcaCount() )
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		{
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		CAknQueryValueTextArray::TextArray* array = iArray->Array();
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		array->AppendL(*iText);
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		}
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	}
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EXPORT_C void CAknQueryValueText::Reserved_MAknQueryValue()
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	{
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	};
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//-------------------------------------------------
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// class CAknQueryValueTextArray
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//-------------------------------------------------
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/**
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 * NewL.
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 */
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EXPORT_C CAknQueryValueTextArray* CAknQueryValueTextArray::NewL()
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	{
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	CAknQueryValueTextArray* self = NewLC();
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	CleanupStack::Pop();
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	return self;
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	}
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/**
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 * NewLC.
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 */
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EXPORT_C CAknQueryValueTextArray* CAknQueryValueTextArray::NewLC()
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	{
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	CAknQueryValueTextArray* self = new(ELeave) CAknQueryValueTextArray;
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	CleanupStack::PushL(self);
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	self->ConstructL();
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	return self;
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	}
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/**
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 * Destructor.
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 */
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EXPORT_C CAknQueryValueTextArray::~CAknQueryValueTextArray()
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	{
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	}
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/**
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 * Set the array of values. 
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 * Note that client can use any implementation of array class, but must pass in a 
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 * TArray generated from it (by calling the Array() method on the array class)
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 *
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 * @param array of values, ownership is passed
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 */
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EXPORT_C void CAknQueryValueTextArray::SetArray(TextArray& aArray)
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	{
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	iArray = &aArray;
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	}
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/**
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 * Get the array of values as a TArray. 
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 * Note that client can use any implementation of array class, but the array is 
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 * treated as a TArray.
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 *
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 * @return array of values, ownership is not passed
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 */
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EXPORT_C CAknQueryValueTextArray::TextArray* CAknQueryValueTextArray::Array() const
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	{
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	return iArray;
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	}
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/**
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 * Return the size of a maximal time string formated using the format string 
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 * that was supplied during construction of this instance.
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 * Two versions to eliminate compiler warnings.
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 *
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 * @return length of formatted string.
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 */
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#ifdef __WINS__
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EXPORT_C const TInt CAknQueryValueTextArray::FormattedStringSize() const
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	{
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	return iFormattedStringSize;
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	}
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#else
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EXPORT_C TInt CAknQueryValueTextArray::FormattedStringSize() const
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	{
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	return iFormattedStringSize;
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	}
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#endif // __WINS__
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   368
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/**
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 * Reports count of contained array
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 *
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 * @return count of contained array
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 */
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EXPORT_C TInt CAknQueryValueTextArray::MdcaCount() const
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	{
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	return iArray->MdcaCount();
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	}
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   378
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/**
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 * Returns array element, pass through to contained descriptor array
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 *
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 * @param index of element to return
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 * @return descriptor representing array element, ownership is not passed
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 */
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EXPORT_C TPtrC CAknQueryValueTextArray::MdcaPoint(TInt aIndex) const
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	{
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	return iArray->MdcaPoint(aIndex);
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	}
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/**
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 * Constructor.
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 */
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CAknQueryValueTextArray::CAknQueryValueTextArray()
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	{
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   395
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	}
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   397
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/**
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 * ConstructL
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 *
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 * @param aResourceId	id of a resource containing a time format string
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 */
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   403
void CAknQueryValueTextArray::ConstructL()
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	{
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	iFormattedStringSize = KSafeSizeOfDescriptorForTextFormat;
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	}
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   407
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// End of File