fep/aknfep/src/AknFepUiInputStatePredictiveCandidatePhrase.cpp
changeset 0 eb1f2e154e89
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fep/aknfep/src/AknFepUiInputStatePredictiveCandidatePhrase.cpp	Tue Feb 02 01:02:04 2010 +0200
@@ -0,0 +1,120 @@
+/*
+* Copyright (c) 2004 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 TAknFepInputStatePredictiveCandidatePhrase methods.
+*
+*/
+
+
+
+
+
+
+
+
+
+
+
+
+#include "AknFepUiInputStatePredictiveCandidatePhrase.h"
+#include "AknFepUICtrlCandidatePane.h"
+#include "AknFepUiCtrlContainerChinese.h"
+#include "AknFepUIManagerStateInterface.h"  //MAknFepUIManagerStateInterface
+#include "AknFepManagerUIInterface.h"       //MAknFepManagerUIInterface
+
+#include <PtiEngine.h>                      //CPtiEngine
+
+TAknFepInputStatePredictiveCandidatePhrase::TAknFepInputStatePredictiveCandidatePhrase(
+                                MAknFepUIManagerStateInterface* aOwner,
+                                MAknFepUICtrlContainerChinese* aUIContainer)
+    :TAknFepInputStateCandidateBasePhrase(aOwner, aUIContainer)
+    {
+    iState = EPredictiveCandidate;
+    
+    MAknFepUICtrlContainerChinese* uiContainer = UIContainer();
+
+    // set container window position to follow cursor
+    TPoint baseLine = TPoint(0,0);
+    TInt height = 0;
+    TInt ascent = 0;
+    TRAPD(ret,iOwner->FepMan()->GetScreenCoordinatesL(baseLine,height,ascent));
+    if (ret == KErrNone)
+        {
+        uiContainer->SetContainerPosition(baseLine, height);    
+        }
+    uiContainer->FocusCandidatePane(ETrue);
+
+    CPtiEngine* ptiengine = iOwner->PtiEngine();
+    MAknFepUICtrlCandidatePane* candidatePane = uiContainer->CandidatePane();
+    // for some reason needs to feed back to ptiengine current Chinese phrase just before get the prediction
+    TPtrC text = candidatePane->CurrentPhraseCandidate();
+    candidatePane->SelectFirstPhrase(); 
+    ptiengine->SetPredictiveChineseChar(text);
+    
+    TRAPD(ignore,ptiengine->GetChinesePhraseCandidatesL(*(candidatePane->CandidateArray())));
+    if (ignore == KErrNone)
+        {
+        candidatePane->SplitPhraseCandidatesIntoPages(); 
+        uiContainer->SetLayout(MAknFepUICtrlContainerChinese::ELayoutCandidate);
+        candidatePane->SetCandidateBuffer();
+
+        TBool multiplePages = !(uiContainer->CandidatePane()->IsLastPage() &&
+                                uiContainer->CandidatePane()->IsFirstPage());
+        TInt bufLength = iOwner->PtiEngine()->CandidatePage().Length();
+        TBool showHorizontalScrollArrows = multiplePages || bufLength>1;
+
+        uiContainer->ShowHorizontalScrollArrows(showHorizontalScrollArrows); 
+        uiContainer->ShowVerticalScrollArrows(multiplePages);
+        candidatePane->ShowCandidateOrdinals(EFalse);
+        }
+    }
+
+TBool TAknFepInputStatePredictiveCandidatePhrase::HandleKeyL(TInt aKey, TKeyPressLength aLength)
+    {
+    TBool ret = ETrue;
+
+    if(aLength == ELongKeyPress) 
+        {
+        return ret;
+        }
+    if(iOwner->IsValidChineseInputKey(aKey))
+        {
+        CPtiEngine* ptiengine = iOwner->PtiEngine();
+        // needs to clear current word for current engine, otherwise buffer is not cleared
+        ptiengine->ClearCurrentWord(); 
+        ptiengine->ResetToneMark();
+
+        iOwner->ChangeState(EEntry);
+        ret = EFalse; //passes to entry state to handle the key
+        }
+    if(!HandleVerticalNavigation(aKey))
+        {
+        if (aKey == EKeyLeftArrow || aKey == EKeyRightArrow || aKey == EKeyOK)
+            {
+            iOwner->ChangeState(EPredictiveInput);
+            ret = EFalse; //passes to predictive input state to handle the key
+            }
+        else if(aKey == EKeyBackspace)
+            {
+            iOwner->FepMan()->TryCloseUiL();
+            }
+        else if (aKey == EPtiKeyStar)
+            {
+            ret = TAknFepInputStateCandidateBasePhrase::HandleKeyL(aKey, aLength);
+            }   
+        }
+    return ret;
+    }
+
+// End of file