fep/aknfep/src/aknfepuiinputstateentryzhuyinphrasecreation.cpp
branchRCL_3
changeset 44 ecbabf52600f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fep/aknfep/src/aknfepuiinputstateentryzhuyinphrasecreation.cpp	Wed Sep 01 12:23:33 2010 +0100
@@ -0,0 +1,594 @@
+/*
+* Copyright (c) 2008 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:           
+ *      Provides the TAknFepInputStateEntryZhuyinPhraseCreation methods.
+ *
+*/
+
+
+
+
+
+
+
+
+
+
+
+#include <PtiEngine.h>                          //CPtiEngine
+#include <PtiUserDicEntry.h>
+
+#include <PtiDefs.h>                            //keys
+#include <avkon.rsg>
+#include <aknfep.rsg>
+#include <aknnotewrappers.h>
+
+#include "AknFepPanic.h"
+#include "aknfepuiinputstateentryzhuyinphrasecreation.h"
+#include "AknFepUIManagerStateInterface.h"      //MAknFepUIManagerStateInterface
+#include "AknFepManagerUIInterface.h"           //MAknFepManagerUIInterface
+#include "AknFepUiCtrlContainerChinese.h"
+#include "AknFepUICtrlInputPane.h"
+#include "AknFepUICtrlCandidatePane.h"
+#include "AknFepUICtrlPinyinPopup.h"		//Pinyin phrase
+#include "aknfepuictrleditpane.h"           //pinyin phrase creation
+#include "AknFepManager.h"
+#include "aknfepzhuyinkeyhandlerinterface.h"
+#include "AknFepZhuyinAnalyser.h"
+#include "aknfepzhuyinconvertion.h"
+
+const TInt KMaxPhraseCount = 50;
+
+const TInt KMaxKeystrokeCount = 100;
+const TInt KMaxPhraseCreationCount = 7;
+const TInt KStateFromKeyDown = 0;
+const TInt KStateAuto = 1;
+// it means "the max phrase's length is seven"
+_LIT( KDelimiter, "\x002E" );
+
+// ---------------------------------------------------------
+// C++ constructor
+// ---------------------------------------------------------
+//
+TAknFepInputStateEntryZhuyinPhraseCreation::TAknFepInputStateEntryZhuyinPhraseCreation(
+    MAknFepUIManagerStateInterface* aOwner,
+    MAknFepUICtrlContainerChinese* aUIContainer ) :
+    TAknFepInputStateZhuyinPhraseCreationBase( aOwner, aUIContainer)
+    {
+    iState = EZhuyinSequenceEdit;
+
+    MAknFepUICtrlContainerChinese* uiContainer = UIContainer();
+    uiContainer->FocusCandidatePane( EFalse );
+    uiContainer->CandidatePane()->ShowCandidateOrdinals( EFalse );
+    uiContainer->SetLayout( MAknFepUICtrlContainerChinese::ELayoutKeystroke );
+    uiContainer->CandidatePane()->SelectFirstPhrase();
+    uiContainer->ShowVerticalScrollArrows( ETrue );
+    uiContainer->ShowHorizontalScrollArrows( EFalse );
+    uiContainer->InputPane()->SetOverrideFontId( 0 );
+
+    iOwner->PtiEngine()->SetInputMode( EPtiEngineZhuyinByPhrase );
+    iOwner->PtiEngine()->SetCandidatePageLength( KMaxPhraseCount );
+    uiContainer->EditPaneWindow()->ActiveCursor(); 
+    // in the case that we are coming back to the input pane from the candidate pane, 
+    // we need to ensure that the current selection is selected correctly
+    UpdateEEPContent();
+    RefreshUI();
+    // however we also need to clear the deliberate selection, in case we are not
+    // coming back to the input pane from the candidate pane
+    UpdateIndicator();
+    TRAP_IGNORE( ChangeCbaL() );
+    }
+
+// ---------------------------------------------------------------------------
+// TAknFepInputStateEntryZhuyinPhraseCreation::HandleKeyL
+// ---------------------------------------------------------------------------
+//
+TBool TAknFepInputStateEntryZhuyinPhraseCreation::HandleKeyL( 
+                                                     TInt aKey,
+                                                     TKeyPressLength aLength )
+    {
+    MAknFepUICtrlContainerChinese* uiContainer = UIContainer();
+    MAknFepUICtrlPinyinPopup* popup = uiContainer->PinyinPopupWindow();
+
+    CDesCArrayFlat* keystrokeArray = popup->ZhuyinSymbols();
+    CDesCArrayFlat* ChineseArray = popup->ChineseCharsDisped();
+
+    CDesCArrayFlat* candidateArray = 
+        uiContainer->CandidatePane()->CandidateArray();
+    TBuf<1> keyBuf;
+    TBuf<1> keyShow;
+    TBuf<KMaxPhraseCreationCount> phraseCreated;
+    
+    if ( aKey == EKeyBackspace )
+        {
+        DeleteZhuyinSymbolOrChinese();
+        UpdateEEPContent();
+        RefreshUI();
+        if ( AutoChangeState() )
+            {
+            popup->SetChangeState( ETrue );
+            iOwner->ZhuyinKeyHandler()->SetState( KStateAuto );
+            iOwner->ZhuyinKeyHandler()->SetStatusChgFlag(MZhuyinKeyHandler::EInit);
+            ChangeCbaL();
+            iOwner->ChangeState( EEntry );
+            return ETrue;
+            }
+        else
+            {
+            ChangeCbaL();
+            }
+        
+        if ( keystrokeArray->Count() == 0
+            && ChineseArray->Count() == 0 )
+            {
+            iOwner->FepMan()->TryCloseUiL();
+            if (aLength == ELongKeyPress)
+                {
+                iOwner->FepMan()->SetLongClearAfterCloseUI(ETrue);
+                }
+            }
+        
+        if ( 0 == ChineseArray->Count() )
+            {
+            iOwner->FepMan()->PhraseCreation( EFalse );
+            }
+        }
+    else if ( aKey == EKeyRightArrow )
+        {
+        if ( KMaxPhraseCreationCount == ChineseArray->Count() )
+            {
+            iOwner->FepMan()->PlaySound( EAvkonSIDStandardKeyClick );
+            }
+        else if ( 0 == keystrokeArray->Count() )
+            {
+            iOwner->FepMan()->PlaySound( EAvkonSIDStandardKeyClick );
+            }
+        else
+            {
+            if( !MoveIndexOfKeystrokeRight() )
+                {
+                iOwner->FepMan()->PlaySound( EAvkonSIDStandardKeyClick );
+                }
+            else
+                {
+                iOwner->ZhuyinKeyHandler()->SetState( KStateFromKeyDown );
+                }
+            }
+        }
+    else if ( aKey == EKeyLeftArrow )
+        {
+        if ( KMaxPhraseCreationCount == ChineseArray->Count() )
+            {
+            iOwner->FepMan()->PlaySound( EAvkonSIDErrorTone );
+            }
+        else if ( 0 == keystrokeArray->Count() )
+            {
+            iOwner->FepMan()->PlaySound( EAvkonSIDErrorTone );
+            }
+        else
+            {
+            if ( !MoveIndexOfKeystrokeLeft() )
+                {
+                iOwner->FepMan()->PlaySound( EAvkonSIDErrorTone );
+                }
+            else
+                {
+                iOwner->ZhuyinKeyHandler()->SetState( KStateFromKeyDown );
+                }
+            }
+        }
+    else if ( aKey == EKeyOK || aKey == EKeyCBA1 )
+        {
+        if ( ( ChineseArray->Count() >= 2 ) && ( 0
+            == keystrokeArray->Count() ) )
+            {
+            //commit the chinese character.
+            MAknFepManagerUIInterface* fepMan = iOwner->FepMan();
+            candidateArray->Reset();
+            for (TInt i = 0; i < ChineseArray->Count(); ++i )
+                {
+                phraseCreated.Append( ChineseArray->MdcaPoint( i ) );
+                }
+            candidateArray->AppendL( ChineseArray->MdcaPoint( 
+                ChineseArray->Count() - 1 ) );
+            uiContainer->CandidatePane()->SelectFirst();
+            uiContainer->CandidatePane()->SetCandidateBuffer( ChineseArray->MdcaPoint( 
+                ChineseArray->Count() - 1 ) );
+            AddPhraseToDB( phraseCreated );
+            fepMan->NewTextL( phraseCreated );
+            fepMan->CommitInlineEditL();
+            iOwner->FepMan()->TryCloseUiL(); //no more keys, close the UI.
+            }
+        else if ( ( 1 == ChineseArray->Count() ) && 
+            ( 0 == keystrokeArray->Count() ) )
+            {
+            iOwner->FepMan()->PlaySound( EAvkonSIDErrorTone );
+            }
+        else if ( !CheckHighLightL() )
+            {
+            popup->SetChangeState( ETrue );
+            iOwner->ZhuyinKeyHandler()->SetState( KStateFromKeyDown );
+            iOwner->ZhuyinKeyHandler()->Reset();
+            iOwner->ChangeState( EEntry );
+            }
+        else
+            {
+            iOwner->FepMan()->PlaySound( EAvkonSIDErrorTone );
+            }
+        }
+    else if ( aKey == EKeyDownArrow )
+        {
+        if ( !CheckHighLightL() )
+            {
+            if ( 0 == keystrokeArray->Count() )
+                {
+                iOwner->FepMan()->PlaySound( EAvkonSIDErrorTone );
+                }
+            else
+                {
+                popup->SetChangeState( ETrue );
+                iOwner->ZhuyinKeyHandler()->SetState( KStateFromKeyDown );
+                iOwner->ZhuyinKeyHandler()->SetStatusChgFlag(
+                    MZhuyinKeyHandler::EFromSpellingEditingToEntry);
+                iOwner->ZhuyinKeyHandler()->Reset();
+                iOwner->ChangeState( EEntry );
+                }
+            }
+        else
+            {
+            iOwner->FepMan()->PlaySound( EAvkonSIDErrorTone );
+            }
+        }
+    else if ( aKey == EKeyUpArrow )
+        {
+        iOwner->FepMan()->PlaySound( EAvkonSIDErrorTone );
+        }
+    else if ( aLength == EShortKeyPress ) // don't want repeats on these keys
+        {
+        iOwner->FepMan()->SetCcpuFlag( CAknFepManager::ECcpuStateIgnoreStarUp );
+        if ( iOwner->IsValidChineseInputKey( aKey ) )
+            {
+            if ( AddKeystrokeL( aKey ) )
+                {
+                UpdateEEPContent();
+                if ( AutoChangeState() )
+                    {
+                    popup->SetChangeState( ETrue );
+                    iOwner->ZhuyinKeyHandler()->SetState( KStateAuto );
+                    RefreshUI();
+                    ChangeCbaL();
+                    iOwner->ChangeState( EEntry );
+                    }
+                else
+                    {
+                    RefreshUI();
+                    ChangeCbaL();                
+                    }
+                }
+            else
+                {
+                iOwner->FepMan()->PlaySound( EAvkonSIDErrorTone );
+                }
+            }
+        else if ( aKey == EPtiKeyStar )
+            {
+            if ( AddToneMarkL() )
+                {
+                UpdateEEPContent();
+                if ( AutoChangeState() )
+                    {
+                    popup->SetChangeState( ETrue );
+                    iOwner->ZhuyinKeyHandler()->SetState( KStateAuto );
+                    iOwner->ZhuyinKeyHandler()->Reset();
+                    ChangeCbaL();
+                    iOwner->ChangeState( EEntry );
+                    }
+                else
+                    {
+                    RefreshUI();
+                    ChangeCbaL();                
+                    }
+                }
+            else
+                {
+                iOwner->FepMan()->PlaySound( EAvkonSIDErrorTone );
+                }
+            }
+        else if ( aKey == EKeyCBA2 )
+            {
+            iOwner->FepMan()->TryCloseUiL();
+            }
+        else
+            {
+            iOwner->FepMan()->PlaySound( EAvkonSIDErrorTone );
+            }
+        }
+    return ETrue;
+    }
+
+// ---------------------------------------------------------
+// set high light
+// ---------------------------------------------------------
+//
+void TAknFepInputStateEntryZhuyinPhraseCreation::SetHighLight()
+    {
+    MAknFepUICtrlContainerChinese* uiContainer = UIContainer();
+    MAknFepUICtrlPinyinPopup* popup = uiContainer->PinyinPopupWindow();
+    MAknFepUICtrlEditPane* editPane = uiContainer->EditPaneWindow();
+    TInt symbolsShowCount = popup->GetEEPContent().Length();
+    TInt chineseCount = popup->ChineseCharsDisped()->Count();
+    
+    editPane->SetHighlight( chineseCount, symbolsShowCount );
+    }
+
+// ---------------------------------------------------------
+// set high light
+// ---------------------------------------------------------
+//
+void TAknFepInputStateEntryZhuyinPhraseCreation::SetHighLightMoreThanMax()
+    {
+    TInt begPos = BegPosOfMoreThanSeven();
+
+    if ( begPos )
+        {
+        HighlightMoreThanSeven( begPos );
+        }
+    }
+
+// ---------------------------------------------------------
+// move index of the keystroke left.
+// ---------------------------------------------------------
+//
+TBool TAknFepInputStateEntryZhuyinPhraseCreation::MoveIndexOfKeystrokeLeft()
+    {
+    MAknFepUICtrlEditPane* editPane = UIContainer()->EditPaneWindow();
+    MAknFepUICtrlPinyinPopup* popup = UIContainer()->PinyinPopupWindow();
+    CDesCArrayFlat* zhuyinSymbol = popup->ZhuyinSymbols();
+    CDesCArrayFlat* chineseArray = popup->ChineseCharsDisped();
+    TInt currentIndex = editPane->GetCursorIndexOfKeystroke();
+    TInt cursorPosition = editPane->GetCursor();
+
+    TBool ret = EFalse;
+    TBuf<KMaxKeystrokeCount> buf;
+    TBuf<KMaxKeystrokeCount> symbolBuf;
+
+    if ( cursorPosition < chineseArray->Count() )
+        {
+        return EFalse;
+        }
+    
+    for ( TInt i = 0; i < zhuyinSymbol->Count(); ++i )
+        {
+        symbolBuf.Append( zhuyinSymbol->MdcaPoint( i ) );
+        }
+    buf.Append( popup->GetEEPContent() );
+    
+    if ( chineseArray->Count() == cursorPosition )
+        {
+        TRAP_IGNORE( ret = CheckHighLightL() );
+        if ( ret )
+            {
+            editPane->Reset();
+            editPane->SetTextForZhuyin( buf, buf.Length(),
+                chineseArray->Count(), symbolBuf, 
+                zhuyinSymbol->Count(), ETrue );
+            SetHighLight();
+            }
+        else
+            {
+            editPane->Reset();
+            editPane->SetTextForZhuyin( buf, buf.Length(),
+                chineseArray->Count(), symbolBuf, 
+                zhuyinSymbol->Count() );
+            SetHighLightMoreThanMax();
+            }
+        editPane->SetCursorIndexOfKeystroke( zhuyinSymbol->Count() );
+        return ETrue;
+        }
+
+    if ( 1 == cursorPosition - chineseArray->Count() )
+        {
+        TRAP_IGNORE( ret = CheckHighLightL() );
+        if ( ret )
+            {
+            editPane->Reset();
+            editPane->SetTextForZhuyin( buf, chineseArray->Count(), 
+                chineseArray->Count(), symbolBuf, zhuyinSymbol->Count(), ETrue );
+            SetHighLight();
+            }
+        else
+            {
+            editPane->Reset();
+            editPane->SetTextForZhuyin( buf, chineseArray->Count(), 
+                chineseArray->Count(), symbolBuf, zhuyinSymbol->Count() );
+            SetHighLightMoreThanMax();
+            }
+        editPane->SetCursorIndexOfKeystroke( 0 );
+        return ETrue;
+        }
+    
+    
+    if ( 0 == buf.Mid( 
+        (cursorPosition - 2 ), 1 ).Compare( KDelimiter ) )
+        {
+        editPane->MoveCursorLeft( 2 );
+        editPane->SetCursorIndexOfKeystroke( currentIndex - 1 );
+        }
+    else
+        {
+        editPane->MoveCursorLeft();
+        editPane->SetCursorIndexOfKeystroke( currentIndex - 1 );
+        }
+    return ETrue;
+    }
+
+// ---------------------------------------------------------
+// move index of the keystroke right.
+// ---------------------------------------------------------
+//
+TBool TAknFepInputStateEntryZhuyinPhraseCreation::MoveIndexOfKeystrokeRight()
+    {
+    MAknFepUICtrlEditPane* editPane = UIContainer()->EditPaneWindow();
+    MAknFepUICtrlPinyinPopup* popup = UIContainer()->PinyinPopupWindow();
+    CDesCArrayFlat* zhuyinSymbol = popup->ZhuyinSymbols();
+    CDesCArrayFlat* chineseArray = popup->ChineseCharsDisped();
+    TInt currentIndex = editPane->GetCursorIndexOfKeystroke();
+    TInt cursorPosition = editPane->GetCursor();
+
+    TBool ret = EFalse;
+    TBuf<KMaxKeystrokeCount> buf;
+    TBuf<KMaxKeystrokeCount> symbolBuf;
+    
+    for ( TInt i = 0; i < zhuyinSymbol->Count(); ++i )
+        {
+        symbolBuf.Append( zhuyinSymbol->MdcaPoint( i ) );
+        }
+    buf.Append( popup->GetEEPContent() );
+    
+    if ( buf.Length() ==  cursorPosition )
+        {
+        TRAP_IGNORE( ret = CheckHighLightL() );
+        if ( ret )
+            {
+            editPane->Reset();
+            editPane->SetTextForZhuyin( buf, chineseArray->Count(), 
+                chineseArray->Count(), symbolBuf, 0, ETrue );
+            SetHighLight();
+            }
+        else
+            {
+            editPane->Reset();
+            editPane->SetTextForZhuyin( buf, chineseArray->Count(), 
+                chineseArray->Count(), symbolBuf, 0 );
+            SetHighLightMoreThanMax();
+            }
+        editPane->SetCursorIndexOfKeystroke( 0 );
+        return ETrue;
+        }
+    
+    if ( chineseArray->Count() == cursorPosition )
+        {
+        editPane->MoveCursorRight();
+        editPane->SetCursorIndexOfKeystroke( 1 );
+        return ETrue;
+        }
+    
+    if ( buf.Length() == cursorPosition + 1 )
+        {
+        editPane->MoveCursorRight();
+        editPane->SetCursorIndexOfKeystroke( zhuyinSymbol->Count() );
+        return ETrue;
+        }
+    
+    if ( 0 == buf.Mid( ( cursorPosition ), 1 ).Compare( KDelimiter ) )
+        {
+        editPane->MoveCursorRight( 2 );
+        editPane->SetCursorIndexOfKeystroke( currentIndex + 1 );
+        }
+    else
+        {
+        editPane->MoveCursorRight();
+        editPane->SetCursorIndexOfKeystroke( currentIndex + 1 );
+        }
+    
+    return ETrue;
+    }
+
+// ---------------------------------------------------------
+// Initialize State.
+// ---------------------------------------------------------
+//
+void TAknFepInputStateEntryZhuyinPhraseCreation::InitializeState()
+    {
+    TRAP_IGNORE( ChangeCbaL() );
+    }
+
+// ---------------------------------------------------------
+// check auto change state.
+// ---------------------------------------------------------
+//
+TBool TAknFepInputStateEntryZhuyinPhraseCreation::AutoChangeState()
+    {
+    TInt keystrokeCount = 
+        UIContainer()->PinyinPopupWindow()->ZhuyinSymbols()->Count();
+    TBool ret = EFalse;
+    
+    TRAP_IGNORE( ret = CheckHighLightL() );
+
+    if ( ( !ret ) &&
+        ( KStateFromKeyDown != iOwner->ZhuyinKeyHandler()->GetState() ) &&
+        ( 0 != keystrokeCount ) )
+        {
+        return ETrue;
+        }    
+    
+    return EFalse;
+    }
+
+// ---------------------------------------------------------
+// Add phrase to DB.
+// ---------------------------------------------------------
+//
+TBool TAknFepInputStateEntryZhuyinPhraseCreation::AddPhraseToDB( const TDesC& aPhraseAdd )
+    {
+    TInt retCode;
+    TPtiUserDictionaryEntry addUdbEntry(aPhraseAdd);
+    //Add the phrase to the DB by PTI Engine
+    retCode = iOwner->PtiEngine()->AddUserDictionaryEntry( addUdbEntry );
+    if ( KErrNone != retCode )
+        {
+        return EFalse;
+        }
+
+    return ETrue;
+    }
+
+// ---------------------------------------------------------
+// Check high light.
+// ---------------------------------------------------------
+//
+TBool TAknFepInputStateEntryZhuyinPhraseCreation::CheckHighLightL()
+    {
+    MAknFepUICtrlPinyinPopup* popup = UIContainer()->PinyinPopupWindow();
+    CDesCArrayFlat* zhuyinSymbol = popup->ZhuyinSymbols();
+    CDesCArrayFlat* candidateArray = 
+        UIContainer()->CandidatePane()->CandidateArray();
+    TBuf<KMaxKeystrokeCount> inputBuf;
+    
+    inputBuf.Zero();
+    
+    if ( 0 == candidateArray->Count() )
+        {
+        return ETrue;
+        }
+    
+    for ( TInt i = 0; i < zhuyinSymbol->Count(); ++i )
+        {
+        inputBuf.Append( zhuyinSymbol->MdcaPoint( i ) );
+        }
+    
+    if ( 0 == inputBuf.Length() )
+        {
+        return EFalse;
+        }
+    
+    if ( !iOwner->ZhuyinAnalyser()->AnalyzeL( inputBuf ) )
+        {
+        return ETrue;
+        }
+    
+    return EFalse;
+    }
+
+// End of file