1 /*

     2 * Copyright (c) 2009 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:  

    15 *

    16 */

    17 

    18 

    19 #ifndef FILEBROWSER_FILEVIEWERDLG_H

    20 #define FILEBROWSER_FILEVIEWERDLG_H

    21 

    22 //  INCLUDES

    23 #include <e32std.h>

    24 #include <e32base.h>

    25 #include <f32file.h>

    26 #include <AknDialog.h>

    27 #include <eiksbobs.h>

    28 

    29 //  FORWARD DECLARATIONS

    30 class CFileBrowserFileEditorViewControl;

    31 class CEikEdwin;

    32 class CParaFormat;

    33 class CEikScrollBarFrame;

    34 

    35 

    36 //  CLASS DEFINITIONS

    37 

    38 class CFileBrowserFileEditorDlg : public CAknDialog

    39     {

    40 public:

    41     static CFileBrowserFileEditorDlg* NewL(const TDesC& aFileName, TInt aMode);

    42     virtual ~CFileBrowserFileEditorDlg();

    43 

    44 private: // Constructors

    45     CFileBrowserFileEditorDlg(const TDesC& aFileName, TInt aMode);

    46     void ConstructL();        

    47 

    48 protected: // From CAknDialog

    49     void ProcessCommandL(TInt aCommandId);

    50     void PreLayoutDynInitL();

    51     void PostLayoutDynInitL();

    52         

    53 protected: // From CEikDialog

    54     void SetSizeAndPosition(const TSize& aSize);

    55     SEikControlInfo CreateCustomControlL(TInt aControlType);

    56 

    57 protected: // From MEikMenuObserver

    58     void DynInitMenuPaneL(TInt aResourceId, CEikMenuPane* aMenuPane);

    59 

    60 public:  // New methods

    61     TBool RunDlgLD();

    62 

    63 private:  // New methods

    64     void OpenFileLC(RFile& aFile, const TDesC& aFileName);

    65     void LoadFileL();    

    66     void GetTextFileMode(RFile& aFile, TInt& aFileSize);

    67     HBufC16* ConvertBuf8ToBuf16L(HBufC8* aBuf8);

    68     HBufC8* ConvertBuf16ToBuf8L(HBufC16* aBuf16);

    69     void SaveEditorDataL(TBool aQueryNewName=EFalse);

    70     TBool IsHexChar(TInt aCh);

    71 

    72 private: // Data

    73     CFileBrowserFileEditorViewControl*  iViewer;

    74     CEikEdwin*                          iTextEditor;

    75     CParaFormat*                        iEditorPF;

    76     TFileName			                iFileName;

    77     TInt                                iActiveMode;

    78     TInt                                iTextFormat;

    79     };

    80 

    81 

    82 

    83 class CFileBrowserFileEditorViewControl : public CCoeControl, MEikScrollBarObserver

    84     {

    85 public:

    86     virtual ~CFileBrowserFileEditorViewControl();

    87 

    88 public: // Constructors

    89     CFileBrowserFileEditorViewControl();

    90     void ConstructL();        

    91 

    92 protected: // From CCoeControl

    93     void Draw(const TRect& aRect) const; 

    94     TKeyResponse OfferKeyEventL(const TKeyEvent &aKeyEvent, TEventCode aType);

    95     TSize MinimumSize();

    96     CCoeControl* ComponentControl(TInt aIndex) const;

    97     TInt CountComponentControls() const;    

    98     void HandleResourceChange(TInt aType);

    99     TTypeUid::Ptr MopSupplyObject(TTypeUid aId);

   100 

   101 protected: // From MEikScrollBarObserver

   102     void HandleScrollEventL(CEikScrollBar* aScrollBar, TEikScrollEvent aEventType);

   103 

   104 public: // New methods

   105     void FormatAsTextL(HBufC16* aBuf=NULL);

   106     void FormatAsHexL(HBufC8* aBuf=NULL);

   107 

   108 private: // New methods

   109     void InitVariables();

   110     void ResetVariables(TBool aResetData=ETrue);

   111     void UpdateScrollBarL();

   112     

   113 private: // Data

   114     TInt			        iActiveMode;

   115     TRect                   iViewerRect;

   116     TInt                    iDrawingWidth;

   117     TInt                    iLeftDrawingPosition;

   118     TReal                   iX_factor;

   119     TReal                   iY_factor;

   120     TInt                    iNumberOfLinesFitsScreen;

   121     CEikScrollBarFrame*     iScrollBarFrame;

   122     CFont*                  iFont;

   123     TInt                    iCurrentLine;

   124     TInt                    iTotalNumberOfLines;

   125     

   126     HBufC8*                 iHexesBuffer;

   127     TInt                    iHexGrougWidth;

   128     TInt                    iAmountOfHexesFitsHorizontally;

   129     

   130     HBufC16*                iTextBuf;

   131     CArrayFix<TPtrC>*       iWrappedTextArray;

   132     };

   133 

   134 #endif

   135 

   136 // End of File

   137