1 /*

     2 * Copyright (c) 2002-2005 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0""

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:            Implementation of entry qwertybase chinese phrase state

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 

    22 

    23 

    24 

    25 

    26 

    27 

    28 

    29 #include "AknFepUIManagerStateInterface.h"  //MAknFepUIManagerStateInterface

    30 #include "AknFepUiCtrlContainerChinese.h"

    31 #include "AknFepManagerUIInterface.h"       //MAknFepManagerUIInterface

    32 #include "AknFepUICtrlCandidatePane.h"

    33 #include "AknFepUICtrlInputPane.h"

    34 #include "AknFepUiInputStateEntryQwertyBaseChinesePhrase.h"

    35 

    36 #include <PtiEngine.h>      //CPtiEngine

    37 #include <e32keys.h>        //keys  

    38 #include <avkon.rsg>

    39 

    40 const TInt KMaxPhraseCount = 50;

    41 

    42 TAknFepInputStateEntryQwertyBaseChinesePhrase::TAknFepInputStateEntryQwertyBaseChinesePhrase(

    43     MAknFepUIManagerStateInterface* aOwner,

    44     MAknFepUICtrlContainerChinese* aUIContainer)

    45     :TAknFepInputStateCandidateQwertyChinesePhrase(aOwner,aUIContainer)                           

    46     {

    47     iState = EEntry;

    48 

    49     MAknFepUICtrlContainerChinese* uiContainer = UIContainer();

    50     MAknFepUICtrlCandidatePane* candidatePane = uiContainer->CandidatePane();

    51     TBool multiplePages = !(uiContainer->CandidatePane()->IsLastPage() &&

    52                             uiContainer->CandidatePane()->IsFirstPage());

    53     TInt bufLength = iOwner->PtiEngine()->CandidatePage().Length();

    54     TBool showHorizontalScrollArrows = multiplePages || bufLength>1;

    55 

    56     iOwner->PtiEngine()->SetCandidatePageLength(KMaxPhraseCount);

    57     uiContainer->ShowHorizontalScrollArrows(showHorizontalScrollArrows); 

    58     uiContainer->ShowVerticalScrollArrows(multiplePages);

    59     uiContainer->FocusCandidatePane(ETrue);

    60     candidatePane->SetHighlighted(ETrue);

    61     candidatePane->SelectFirstPhrase();

    62     candidatePane->ShowCandidateOrdinals(ETrue);

    63     uiContainer->SetLayout(MAknFepUICtrlContainerChinese::ELayoutInput);

    64     UpdateIndicator();

    65     }

    66 

    67 TBool TAknFepInputStateEntryQwertyBaseChinesePhrase::HandleKeyL(TInt aKey, TKeyPressLength aLength)

    68     {

    69     CPtiEngine* ptiengine = iOwner->PtiEngine();

    70     MAknFepUICtrlContainerChinese* uiContainer = UIContainer();

    71     MAknFepUICtrlInputPane* inputPane = uiContainer->InputPane();

    72     

    73     TBool ret = ETrue;

    74 

    75     if(aKey == EStdKeyBackspace)

    76         {

    77         if (iOwner->PtiEngine()->DeleteKeyPress().Length())

    78             {

    79             uiContainer->ShowVerticalScrollArrows(!(uiContainer->CandidatePane()->IsLastPage() &&

    80                                                     uiContainer->CandidatePane()->IsFirstPage()));

    81             SetInputPaneToneMark();

    82             inputPane->SetFlag(MAknFepUICtrlInputPane::EPhoneticChanged);

    83             RefreshUI();

    84             }

    85         else

    86             {

    87             iOwner->FepMan()->TryCloseUiL();

    88             }

    89         }

    90     else if(aLength == EShortKeyPress && iOwner->IsValidChineseInputKeyQwerty(aKey) )

    91         {

    92         ptiengine->AppendKeyPress((TPtiKey)aKey);

    93         uiContainer->ShowVerticalScrollArrows(!(uiContainer->CandidatePane()->IsLastPage() &&

    94                                                 uiContainer->CandidatePane()->IsFirstPage()));

    95         SetInputPaneToneMark();

    96         inputPane->SetFlag(MAknFepUICtrlInputPane::EPhoneticChanged);

    97         RefreshUI();

    98         }

    99     else

   100         {

   101         ret = TAknFepInputStateCandidateQwertyBaseChinesePhrase::HandleKeyL(aKey,aLength);

   102         }

   103 

   104     return ret;

   105     }

   106 

   107 void TAknFepInputStateEntryQwertyBaseChinesePhrase::RefreshUI()

   108     {

   109     CPtiEngine* ptiengine = iOwner->PtiEngine();

   110     MAknFepUICtrlContainerChinese* uiContainer = UIContainer();

   111     MAknFepUICtrlInputPane* inputPane = uiContainer->InputPane();

   112     

   113     // get cursor position

   114     TPoint baseLine = TPoint(0,0);

   115     TInt height = 0;

   116     TInt ascent = 0;

   117     TRAPD(ret,iOwner->FepMan()->GetScreenCoordinatesL(baseLine,height,ascent));

   118     if (ret == KErrNone)

   119         {

   120         uiContainer->SetContainerPosition(baseLine, height);    

   121         }

   122 

   123     // layout candidate and fill candidate buffer for first display page

   124     TInt candidateCount = 0;

   125     if(inputPane->IsFlagSet(MAknFepUICtrlInputPane::EPhoneticChanged))

   126         {

   127         inputPane->ClearFlag(MAknFepUICtrlInputPane::EPhoneticChanged);

   128         TRAPD(ignore,

   129               candidateCount = ptiengine->GetChinesePhraseCandidatesL(

   130                     *(uiContainer->CandidatePane()->CandidateArray())));

   131         if(candidateCount == 0 || ignore != KErrNone)

   132             {

   133             return;

   134             }    

   135         uiContainer->CandidatePane()->SplitPhraseCandidatesIntoPages();

   136         }

   137  

   138     uiContainer->Enable(ETrue);

   139     uiContainer->CandidatePane()->SetCandidateBuffer();

   140  

   141     TBool multiplePages = !(uiContainer->CandidatePane()->IsLastPage() &&

   142                             uiContainer->CandidatePane()->IsFirstPage());

   143     TInt bufLength = ptiengine->CandidatePage().Length();

   144     TBool showHorizontalScrollArrows = multiplePages || bufLength>1;

   145         

   146     UIContainer()->ShowHorizontalScrollArrows(showHorizontalScrollArrows);

   147     UIContainer()->ShowVerticalScrollArrows(multiplePages);

   148     uiContainer->CandidatePane()->SelectFirstPhrase();

   149     

   150     TPtrC ptr = ptiengine->GetPhoneticSpelling(1);

   151     inputPane->SetText(ptr);

   152     UpdateIndicator();

   153     }

   154 

   155 void TAknFepInputStateEntryQwertyBaseChinesePhrase::SetInputPaneToneMark()

   156     {

   157     }

   158 

   159 void TAknFepInputStateEntryQwertyBaseChinesePhrase::InitializeStateL(void)

   160     {

   161     iOwner->FepMan()->UpdateCbaL(R_AVKON_SOFTKEYS_EMPTY);

   162     }

   163 

   164 // End of file