messagingappbase/msgeditor/viewinc/MsgAddressControlEditor.h
branchRCL_3
changeset 60 7fdbb852d323
parent 0 72b543305e3a
equal deleted inserted replaced
57:ebe688cedc25 60:7fdbb852d323
       
     1 /*
       
     2 * Copyright (c) 2002 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:  MsgAddressControlEditor  declaration
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 #ifndef INC_MSGADDRESSCONTROLEDITOR_H
       
    21 #define INC_MSGADDRESSCONTROLEDITOR_H
       
    22 
       
    23 // ========== INCLUDE FILES ================================
       
    24 #include <txtrich.h>
       
    25 #include "MsgExpandableControlEditor.h"    // for CMsgExpandableControlEditor
       
    26 #include "MsgAddressControlEditorField.h"
       
    27 
       
    28 // ========== CONSTANTS ====================================
       
    29 
       
    30 // ========== MACROS =======================================
       
    31 #define KMaxContactLength 102 //(first name (50) + last name(50) + spaces(2))
       
    32 
       
    33 #define iRichText ( static_cast<CRichText*>( iText ) )
       
    34 
       
    35 // ========== DATA TYPES ===================================
       
    36 
       
    37 // ========== FUNCTION PROTOTYPES ==========================
       
    38 
       
    39 // ========== FORWARD DECLARATIONS =========================
       
    40 
       
    41 class CMsgEditorKeyCatcher;
       
    42 class MVPbkContactLink;
       
    43 
       
    44 // ========== CLASS DECLARATION ============================
       
    45 
       
    46 /**
       
    47  * Defines a rich text editor for CMsgAddressControl.
       
    48  *
       
    49  */
       
    50 class CMsgAddressControlEditor : public CMsgExpandableControlEditor
       
    51     {
       
    52     public:
       
    53 
       
    54         /**
       
    55          * Constructor.
       
    56          * @param aParent
       
    57          * @param aFlags
       
    58          * @param aBaseControlObserver
       
    59          */
       
    60         CMsgAddressControlEditor(
       
    61             const CCoeControl*       aParent,
       
    62             TUint32&                 aFlags,
       
    63             MMsgBaseControlObserver* aBaseControlObserver);
       
    64 
       
    65         /**
       
    66          * Destructor.
       
    67          */
       
    68         virtual ~CMsgAddressControlEditor();
       
    69 
       
    70         // Entry handling functions
       
    71 
       
    72         /**
       
    73          * Extracts an entry according to aEntryNumber and returns it in
       
    74          * aEntryString.
       
    75          * @param aEntryString
       
    76          * @param aEntryNumber
       
    77          */
       
    78         void ExtractEntry(TDes& aEntryString, TInt aEntryNumber);
       
    79 
       
    80         /**
       
    81          * Reads an entry aEntryNumber and returns pointer to it. If such an
       
    82          * entry does not exist, returns null string.
       
    83          * @param aEntryNumber
       
    84          * @return
       
    85          */
       
    86         TPtrC ReadEntry(TInt aEntryNumber) const;
       
    87 
       
    88         /**
       
    89          * Returns number of entries.
       
    90          * @return
       
    91          */
       
    92         TInt EntryCount() const;
       
    93 
       
    94         /**
       
    95          * Deletes an entry aEntryNumber.
       
    96          * @param aEntryNumber
       
    97          */
       
    98         void DeleteEntryL(TInt aEntryNumber);
       
    99 
       
   100         /**
       
   101          * Clears a text of an entry aEntryNumber.
       
   102          * @param aEntryNumber
       
   103          * @param aUpdate
       
   104          */
       
   105         void ClearEntryL(TInt aEntryNumber, TBool aUpdate = EFalse);
       
   106 
       
   107         /**
       
   108          * Clears the content of the editor.
       
   109          */
       
   110         void DeleteAllL();
       
   111 
       
   112         /**
       
   113          * Deletes characters from aStartPos to aEndPos at entry aEntryNumber.
       
   114          * @param aEntryNumber
       
   115          * @param aStartPos
       
   116          * @param aEndPos
       
   117          */
       
   118         void DeleteEntryCharsL(TInt aEntryNumber, TInt aStartPos, TInt aEndPos);
       
   119 
       
   120         /**
       
   121          * Sets cursor position to aPos and cancels selection.
       
   122          * @param aPos
       
   123          */
       
   124         void SetCursorPosAndCancelSelectionL(TInt aPos);
       
   125 
       
   126         /**
       
   127          * Inserts an entry to the location aEntryNumber with strings aName
       
   128          * and aAddress. Makes the entry as verified if aVerified = ETrue.
       
   129          */
       
   130         void InsertEntryL(
       
   131             TInt           aEntryNumber,
       
   132             const TDesC&   aName,
       
   133             const TDesC&   aAddress,
       
   134             TBool          aVerified,
       
   135             TBool          aValidated,
       
   136             const MVPbkContactLink* aContactLink );
       
   137 
       
   138         /**
       
   139          * Inserts the paragraph delimiter at aPos on entry aEntryNumber.
       
   140          * @param aEntryNumber
       
   141          * @param aPos
       
   142          */
       
   143         void InsertEntryBreakL(TInt aEntryNumber, TInt aPos);
       
   144 
       
   145         /**
       
   146          * Returns entry number where cursor is currently on.
       
   147          * @param aPos
       
   148          * @return
       
   149          */
       
   150         TInt EntryNumber(TInt aPos) const;
       
   151 
       
   152         /**
       
   153          * Returns length of the entry aEntryNumber.
       
   154          * @param aEntryNumber
       
   155          * @return
       
   156          */
       
   157         TInt EntryLength(TInt aEntryNumber) const;
       
   158 
       
   159         /**
       
   160          * Returns first character position on the entry aEntryNumber.
       
   161          * @param aEntryNumber
       
   162          */
       
   163         TInt EntryStartPos(TInt aEntryNumber) const;
       
   164 
       
   165         /**
       
   166          * Return start position of field under aCursorPos.
       
   167          * @param aCursorPos
       
   168          */
       
   169         TInt FirstFieldPos(TInt aCursorPos) const;
       
   170 
       
   171         /**
       
   172          * Moves cursor at the end of the entry aEntryNumber.
       
   173          * @param aEntryNumber
       
   174          * @param aPos
       
   175          */
       
   176         void MoveCursorToEntryPosL(TInt aEntryNumber, TInt aPos);
       
   177 
       
   178         /**
       
   179          * Checks whether the cursor is at the beginning of the entry.
       
   180          * @param aPos
       
   181          * @return ETrue if it is, otherwise EFalse.
       
   182          */
       
   183         TBool IsPosAtEntryBeginning(TInt aPos) const;
       
   184 
       
   185         /**
       
   186          * Checks whether an entry aEntryNumber is verified or not.
       
   187          * @param aEntryNumber
       
   188          * @return ETrue if it is, otherwise EFalse.
       
   189          */
       
   190         TBool IsEntryVerified(TInt aEntryNumber) const;
       
   191 
       
   192         /**
       
   193          * Checks whether an entry aEntryNumber - 1 is verified.
       
   194          * @param aEntryNumber
       
   195          * @return ETrue if it is, otherwise EFalse.
       
   196          */
       
   197         TBool IsPriorEntryVerified(TInt aEntryNumber) const;
       
   198 
       
   199         /**
       
   200          * Checks whether an entry aEntryNumber is validated or not.
       
   201          * @param aEntryNumber
       
   202          * @return ETrue if it is, otherwise EFalse.
       
   203          */
       
   204         TBool IsEntryValidated(TInt aEntryNumber) const;
       
   205 
       
   206         /**
       
   207          * Checks if there is a text field on the left hand side of the cursor at
       
   208          * position aPos.
       
   209          * @param aPos
       
   210          * @return ETrue if it is, otherwise EFalse.
       
   211          */
       
   212         TBool IsFieldOnLeft(TInt aPos) const;
       
   213 
       
   214         /**
       
   215          * Checks if there is a text field on the right hand side of the cursor at
       
   216          * position aPos.
       
   217          * @param aPos
       
   218          * @return ETrue if it is, otherwise EFalse.
       
   219          */
       
   220         TBool IsFieldOnRight(TInt aPos) const;
       
   221 
       
   222         /**
       
   223          * Checks if there is a text field under the cursor at position aPos.
       
   224          * @param aPos
       
   225          * @return ETrue if it is, otherwise EFalse.
       
   226          */
       
   227         TBool IsFieldOnPos(TInt aPos) const;
       
   228 
       
   229         /**
       
   230          * Checks whether an entry aEntryNumber is empty.
       
   231          * @param aEntryNumber
       
   232          * @return
       
   233          */
       
   234         TBool IsEntryEmpty(TInt aEntryNumber) const;
       
   235 
       
   236         /**
       
   237          * Turns entry as highlighted if the cursor is on the top of the verified
       
   238          * entry, otherwise turns highlighting off if there were any somewhere else.
       
   239          * @param aCancelFep
       
   240          */
       
   241         void CheckHighlightingL(TBool aCancelFep = ETrue);
       
   242 
       
   243         /**
       
   244          * Turns highlighting off if such a highlighted text field is somewhere.
       
   245          * @param aSelection
       
   246          */
       
   247         void TurnHighlightingOffL(TCursorSelection aSelection);
       
   248 
       
   249         /**
       
   250          * Turns highlighting off if such a highlighted text field is somewhere.
       
   251          * @param aCancelFep
       
   252          */
       
   253         void TurnHighlightingOffL(TBool aCancelFep = ETrue);
       
   254 
       
   255         /**
       
   256          * Turns highlighting off from position aPos.
       
   257          * @param aPos
       
   258          */
       
   259         void TurnHighlightingOffFromPosL(TInt aPos);
       
   260 
       
   261         /**
       
   262          * Creates a suitable text string for the text field using strings aName
       
   263          * and aAddress and return pointer to it. If aUpdate == EFalse, this
       
   264          * function does not format the string but takes only aAddress.
       
   265          * @param aName
       
   266          * @param aAddress
       
   267          * @param aVerified
       
   268          * @return
       
   269          */
       
   270         HBufC* CreateEntryStringLC(
       
   271             const TDesC& aName,
       
   272             const TDesC& aAddress,
       
   273             TBool        aVerified = ETrue);
       
   274 
       
   275         /**
       
   276          * Re-builds all the text strings.
       
   277          */
       
   278         void ReBuildEntryStringsL();
       
   279 
       
   280         /**
       
   281          * Returns a field of the entry aEntryNumber. If there is no field on that
       
   282          * entry, returns NULL.
       
   283          * @param aEntryNumber
       
   284          * @return
       
   285          */
       
   286         const CMsgAddressControlEditorField* Field(TInt aEntryNumber) const;
       
   287 
       
   288         /**
       
   289          * Returns character at position aPos.
       
   290          * @param aPos
       
   291          * @return
       
   292          */
       
   293         TChar CharAtPos (TInt aPos) const;
       
   294 
       
   295         /**
       
   296          * Prepares control for viewing.
       
   297          */
       
   298         void PrepareForViewing();
       
   299 
       
   300         /**
       
   301          * Inserts ; and line feeds prior to inline edits
       
   302          */
       
   303         void PreInsertEditorFormattingL( const TKeyEvent& aKeyEvent );
       
   304 
       
   305         /**
       
   306          * Inserts ; and line feeds prior to inline edits
       
   307          */
       
   308         void PostInsertEditorFormattingL( TBool aDuplicateEvent );
       
   309 
       
   310         /**
       
   311         * Determine the overall text direction for the text for an entry 
       
   312         * 
       
   313         * @param    aEntryNumber    a valid entry number
       
   314         * @return   EFalse iff the text for the given entry is not right to left text
       
   315         */
       
   316         TBool IsEntryRightToLeft(TInt aEntryNumber) const;
       
   317 
       
   318         /**
       
   319         * Sets address highlighting for automatic find function on/off. 
       
   320         * 
       
   321         * @param    aValidHighlightable    ETrue for on / EFalse for off.
       
   322         * @return   none
       
   323         */
       
   324         void SetAddressFieldAutoHighlight( TBool aValidHighlightable = EFalse );
       
   325 
       
   326         /**
       
   327         * Returns address highlighting value for automatic find function. 
       
   328         * 
       
   329         * @param
       
   330         * @return   aValidHighlightable    ETrue for on / EFalse for off.
       
   331         */
       
   332         inline TBool AddressFieldAutoHighlight();
       
   333 
       
   334     public:  // from CMsgExpandableControlEditor
       
   335 
       
   336         /**
       
   337          * Checks and returns control's edit permissions.
       
   338          * @return
       
   339          */
       
   340         TUint32 CheckEditPermission() const;
       
   341 
       
   342         /**
       
   343          * Creates this control from resource.
       
   344          * @param aReader
       
   345          */
       
   346         void ConstructFromResourceL(TResourceReader& aReader);
       
   347 
       
   348         /**
       
   349          * Calculates and sets the size of the control and returns new size as
       
   350          * reference aSize.
       
   351          * @param aSize
       
   352          */
       
   353         void SetAndGetSizeL(TSize& aSize);
       
   354 
       
   355         /**
       
   356          *
       
   357          */
       
   358         TBool IsHandleEditEvent() const { return iHandleEditEvent; }
       
   359         
       
   360         /**
       
   361         * Called by the parent control to notify editor about
       
   362         * read only state change. Includes address field and
       
   363         * expandable control specific behaviours. 
       
   364         * Base class implementation should be called by the derived class.
       
   365         *
       
   366         * @param aReadOnly ETrue if read only editor. Otherwise EFalse.
       
   367         */
       
   368         void PrepareForReadOnlyL( TBool aReadOnly );
       
   369         
       
   370         /**
       
   371          *   returns the current cursor position
       
   372          */
       
   373         TInt GetCursorpos() const;
       
   374     public:  // from CEikRichTextEditor
       
   375 
       
   376         /**
       
   377          * Handles key events.
       
   378          * @param aKeyEvent
       
   379          * @param aType
       
   380          * @return
       
   381          */
       
   382         TKeyResponse OfferKeyEventL(const TKeyEvent& aKeyEvent, TEventCode aType);    
       
   383     
       
   384         /**
       
   385         * From CCoeControl. See coecntrl.h
       
   386         */
       
   387         void HandlePointerEventL( const TPointerEvent& aPointerEvent );
       
   388         
       
   389         /**
       
   390         * From CCoeControl. See coecntrl.h
       
   391         */
       
   392         void HandleResourceChange( TInt aType );
       
   393         
       
   394     public:  // from MEikCcpuEditor
       
   395 
       
   396         /**
       
   397          *
       
   398          */
       
   399         void CcpuPasteL();
       
   400 
       
   401     private:
       
   402 
       
   403         /**
       
   404          * Constructor (not available).
       
   405          */
       
   406         CMsgAddressControlEditor();
       
   407 
       
   408         /**
       
   409          * 2nd phase constructor.
       
   410          */
       
   411         void ConstructL();
       
   412 
       
   413         /**
       
   414          * Insert a semicolon at the specified position.
       
   415          *
       
   416          * @param aPos intertion point
       
   417          */
       
   418         void InsertSemicolonL(TInt aPos);
       
   419 
       
   420         /**
       
   421          * Insert a paragraph delimiter at the specified position.
       
   422          *
       
   423          * @param aPos intertion point
       
   424          */
       
   425         void InsertParagraphL(TInt aPos);
       
   426         
       
   427         /**
       
   428         * Check that contact underlining is correct.
       
   429         */
       
   430         void CheckUnderliningL();
       
   431         
       
   432         /**
       
   433         * Returns field from given position.
       
   434         */
       
   435         inline const CMsgAddressControlEditorField* FieldFromPos( TInt aPos ) const;
       
   436         
       
   437     private:
       
   438 
       
   439         TMsgAddressControlEditorFieldFactory* iAddressControlEditorFieldFactory;
       
   440 
       
   441         // this is used to indicate where higlighting starts.
       
   442         TInt                    iHighLightedFieldPos;
       
   443 
       
   444         // Indicates current entry number if length of the text has been changed
       
   445         // due to RebuildEntryString.
       
   446         TInt                    iCurrentEntry;
       
   447 
       
   448         TBool                   iHandleEditEvent;
       
   449         TBool                   iValidHighlightable; // for automatic highlight
       
   450 
       
   451         CMsgEditorKeyCatcher*   iKeyCatcher;
       
   452         TBool                   iHandlingPointerEvent;
       
   453         
       
   454         const CMsgAddressControlEditorField* iPreviousField;
       
   455         TInt iCusPos;
       
   456     };
       
   457 
       
   458 inline TBool CMsgAddressControlEditor::AddressFieldAutoHighlight( )
       
   459     {
       
   460     return iValidHighlightable;
       
   461     }
       
   462 
       
   463 inline const CMsgAddressControlEditorField* CMsgAddressControlEditor::FieldFromPos( TInt aPos ) const
       
   464     {
       
   465     return static_cast<const CMsgAddressControlEditorField*>( iRichText->TextField( aPos ) );
       
   466     }
       
   467 
       
   468 #endif
       
   469 
       
   470 // End of File