svgtopt/SVG/SVGImpl/inc/SVGTextAreaElementImpl.h
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     1 /*
       
     2 * Copyright (c) 2003 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:  SVG Implementation header file
       
    15  *
       
    16 */
       
    17 
       
    18 
       
    19 #ifndef _INC_CSVGTEXTAREAELEMENTIMPL_
       
    20 #define _INC_CSVGTEXTAREAELEMENTIMPL_
       
    21 
       
    22 #include "SVGElementImpl.h"
       
    23 #include "GfxFloatFixPt.h"
       
    24 #include "GfxRoundRectangle2D.h"
       
    25 #include "SVGListener.h"
       
    26 
       
    27 class   CSvgDocumentImpl;
       
    28 class CSvgRectElementImpl;
       
    29 class CSvgTextElementImpl;
       
    30 class CSvgLineElementImpl;
       
    31 
       
    32 /**
       
    33  * Class description goes here.
       
    34  *
       
    35  *  @lib SVGEngine.lib
       
    36  *  @since 1.0
       
    37  */
       
    38 class CSvgTextAreaElementImpl : public CSvgElementImpl,
       
    39 							    public MSvgMouseListener
       
    40     {
       
    41     public:
       
    42 
       
    43         // Constructor/deconstructor
       
    44 
       
    45         /**
       
    46          * Need method description
       
    47          *
       
    48          * @since 1.0
       
    49          * @param
       
    50          * @return
       
    51          */
       
    52         static CSvgTextAreaElementImpl*NewL(  const TUint8 aElemID,
       
    53                                       CSvgDocumentImpl* aDoc );
       
    54 
       
    55         /**
       
    56          * Need method description
       
    57          *
       
    58          * @since 1.0
       
    59          * @param
       
    60          * @return
       
    61          */
       
    62         static CSvgTextAreaElementImpl*NewLC(  const TUint8 aElemID,
       
    63                                        CSvgDocumentImpl* aDoc );
       
    64 
       
    65         /**
       
    66          * Need method description
       
    67          *
       
    68          * @since 1.0
       
    69          * @param
       
    70          * @return
       
    71          */
       
    72         virtual     ~CSvgTextAreaElementImpl();
       
    73 
       
    74         // From SVG DOM
       
    75                  /**
       
    76          * Need method description
       
    77          *
       
    78          * @since 1.0
       
    79          * @param
       
    80          * @return
       
    81          */
       
    82         MXmlElement*    CloneL(MXmlElement* aParentElement);
       
    83 
       
    84         /**
       
    85          * Need method description
       
    86          *
       
    87          * @since 1.0
       
    88          * @param
       
    89          * @return
       
    90          */
       
    91         TFloatFixPt  X();
       
    92 
       
    93         /**
       
    94          * Need method description
       
    95          *
       
    96          * @since 1.0
       
    97          * @param
       
    98          * @return
       
    99          */
       
   100         TFloatFixPt  Y();
       
   101         TInt GetLength();
       
   102         /**
       
   103          * Need method description
       
   104          *
       
   105          * @since 1.0
       
   106          * @param
       
   107          * @return
       
   108          */
       
   109         TFloatFixPt  Width();
       
   110 
       
   111         /**
       
   112          * Need method description
       
   113          *
       
   114          * @since 1.0
       
   115          * @param
       
   116          * @return
       
   117          */
       
   118         TFloatFixPt  Height();
       
   119 
       
   120         /**
       
   121          * Need method description
       
   122          *
       
   123          * @since 1.0
       
   124          * @param
       
   125          * @return
       
   126          */
       
   127         TFloatFixPt  Rx();
       
   128 
       
   129         /**
       
   130          * Need method description
       
   131          *
       
   132          * @since 1.0
       
   133          * @param
       
   134          * @return
       
   135          */
       
   136         TFloatFixPt  Ry();
       
   137 
       
   138         // SVG Implementation
       
   139         /**
       
   140          * Need method description
       
   141          *
       
   142          * @since 1.0
       
   143          * @param
       
   144          * @return
       
   145          */
       
   146         TInt    GetAttributeFloat( const TInt aNameId, TFloatFixPt& aValue );
       
   147 
       
   148         /**
       
   149          * Need method description
       
   150          *
       
   151          * @since 1.0
       
   152          * @param
       
   153          * @return
       
   154          */
       
   155         TInt    SetAttributeFloatL( const TInt aNameId, const TFloatFixPt aValue );
       
   156 
       
   157         TInt    SetAttributeDesL( const TInt aNameId, const TDesC& aValue );
       
   158 
       
   159         TInt    GetAttributeDes( const TInt aNameId, TPtrC16& aValue );
       
   160 
       
   161         // From MXmlElement API
       
   162         /**
       
   163          * Need method description
       
   164          *
       
   165          * @since 1.0
       
   166          * @param
       
   167          * @return
       
   168          */
       
   169         TInt   SetAttributeL( const TDesC& aName, const TDesC& aValue );
       
   170 		
       
   171 		void SetEditable( const TDesC& aValue );
       
   172 		
       
   173         /**
       
   174          * Need method description
       
   175          *
       
   176          * @since 1.0
       
   177          * @param
       
   178          * @return
       
   179          */
       
   180         TBool   DrawL( CGfx2dGc* aGc, CSvgElementImpl* aElement );
       
   181 
       
   182 
       
   183         TBool   DrawTextElements( CGfx2dGc* aGc, CSvgElementImpl* aElement );
       
   184 
       
   185         /**
       
   186          * Need method description
       
   187          *
       
   188          * @since 1.0
       
   189          * @param
       
   190          * @return
       
   191          */
       
   192         void    GetBBox( TGfxRectangle2D& aBbox );
       
   193 
       
   194         /**
       
   195          * Need method description
       
   196          *
       
   197          * @since 1.0
       
   198          * @param
       
   199          * @return
       
   200          */
       
   201         virtual void GetUnscaledBBox( TGfxRectangle2D& /*aBbox*/ );
       
   202 
       
   203          /**
       
   204          * Need method description
       
   205          *
       
   206          * @since 1.0
       
   207          * @param
       
   208          * @return
       
   209          */
       
   210        void SetTextAreaDimensions(TFloatFixPt aX, TFloatFixPt aY, TFloatFixPt aWidth, TFloatFixPt aHeight);
       
   211 
       
   212        void SetTextL( const TDesC& aText ); // This is temporary API until CDATA is implemented
       
   213 
       
   214        void GetText( TDes& allText );
       
   215 
       
   216 	   TBool IsEditable( );
       
   217        
       
   218 	   void LocalizedArrangeTextL( CGfx2dGc* aGc );
       
   219 	   
       
   220        void RemoveText( const TDesC& aString );
       
   221 
       
   222        void InitializeL( );
       
   223 
       
   224         /**
       
   225          * Return wether an svg element is displayable, such as <rect>, <circle>, or
       
   226          * an abstract element, such as <g>, <animate>.
       
   227          *
       
   228          * @since 1.0
       
   229          * @param None
       
   230          * @return ETrue if element is viewable.
       
   231          */
       
   232         TBool               IsViewable() { return ETrue; }
       
   233 
       
   234         /**
       
   235          * Notified when the mouse pointer enters a visible svg element.
       
   236          *
       
   237          * @since 1.0
       
   238          * param : aElements -- SVG elements containing the mouse point.
       
   239          * param : aX -- x coordinate of mouse pointer.
       
   240          * param : aY -- y coordinate of mouse pointer.
       
   241          * @return : For future use.  Value is ignored.
       
   242          */
       
   243         TBool MouseEntered( RPointerArray<CSvgElementImpl>& aElements,
       
   244                                     TInt aX, TInt aY );
       
   245 
       
   246         /**
       
   247          * Notified when the mouse pointer exits a visible svg element.
       
   248          *
       
   249          * @since 1.0
       
   250          * param : aElements -- SVG elements containing the mouse point.
       
   251          * param : aX -- x coordinate of mouse pointer.
       
   252          * param : aY -- y coordinate of mouse pointer.
       
   253          * @return : For future use.  Value is ignored.
       
   254          */
       
   255         TBool MouseExited( RPointerArray<CSvgElementImpl>& aElements,
       
   256                                    TInt aX, TInt aY );
       
   257 
       
   258         /**
       
   259          * Notified when the mouse pointer exits a visible svg element.
       
   260          *
       
   261          * @since 1.0
       
   262          * param : aElements -- SVG elements containing the mouse point.
       
   263          * param : aX -- x coordinate of mouse pointer.
       
   264          * param : aY -- y coordinate of mouse pointer.
       
   265          * @return : For future use.  Value is ignored.
       
   266          */
       
   267         TBool MouseMoved( RPointerArray<CSvgElementImpl>& aElements,
       
   268                                    TInt aX, TInt aY );
       
   269 
       
   270         /**
       
   271          * Notified when the mouse pointer is pressed down on visible svg element.
       
   272          *
       
   273          * @since 1.0
       
   274          * param : aElements -- SVG elements containing the mouse point.
       
   275          * param : aX -- x coordinate of mouse pointer.
       
   276          * param : aY -- y coordinate of mouse pointer.
       
   277          * @return : For future use.  Value is ignored.
       
   278          */
       
   279         TBool MousePressed( RPointerArray<CSvgElementImpl>& aElements,
       
   280                                     TInt aX, TInt aY );
       
   281 
       
   282         /**
       
   283          * Notified when the mouse pointer is released on on visible svg element.
       
   284          *
       
   285          * @since 1.0
       
   286          * param : aElements -- SVG elements containing the mouse point.
       
   287          * param : aX -- x coordinate of mouse pointer.
       
   288          * param : aY -- y coordinate of mouse pointer.
       
   289          * @return : For future use.  Value is ignored.
       
   290          */
       
   291         TBool MouseReleased( RPointerArray<CSvgElementImpl>& aElements,
       
   292                                     TInt aX, TInt aY );
       
   293         inline TInt FileOffset() const
       
   294             {
       
   295             return iOffset;
       
   296             }
       
   297             
       
   298         inline void SetFileOffset(TInt aOffset)
       
   299             {
       
   300             if( !FileOffset() )
       
   301                 iOffset = aOffset;
       
   302             };
       
   303             
       
   304         inline void SetOrgLength(TInt aOrgLength)
       
   305             {
       
   306             if(! GetOrgLength())
       
   307             iOrgLength = aOrgLength;
       
   308             };
       
   309             
       
   310         inline TInt GetOrgLength()            
       
   311             {
       
   312             return iOrgLength;
       
   313             }
       
   314                                     
       
   315         void Print( TBool aIsEncodeOn );
       
   316         
       
   317     private:
       
   318 
       
   319                 /**
       
   320          * Need method description
       
   321          *
       
   322          * @since 1.0
       
   323          * @param
       
   324          * @return
       
   325          */
       
   326         void ConstructL(  const TUint8 aElemID  );
       
   327 
       
   328         /**
       
   329          * Need method description
       
   330          *
       
   331          * @since 1.0
       
   332          * @param
       
   333          * @return
       
   334          */
       
   335          CSvgTextAreaElementImpl( CSvgDocumentImpl* aDoc );
       
   336 
       
   337     private:
       
   338         CSvgRectElementImpl*        iInnerRectangle;
       
   339         CSvgRectElementImpl*        iBorderRectangle;
       
   340 
       
   341         HBufC*                      iAllText;
       
   342         RPointerArray<CSvgTextElementImpl>* iTextElementsArray;
       
   343 
       
   344 		TBool 						iEditable;
       
   345         TBool                       iInitialized;
       
   346         TBool                       iNeedTextRearrange;
       
   347 
       
   348         TInt                        iCursorPosition;
       
   349         CSvgLineElementImpl*        iCursorElement;
       
   350 		TGfxRectangle2D             iLastBBox;
       
   351         //TBool                     iScrollBar;
       
   352         //TInt                      iScrollLocation;
       
   353 public:	
       
   354 		TInt                        iOffset;
       
   355 		TInt                        iOrgLength;	
       
   356 
       
   357     protected:
       
   358 
       
   359         /**
       
   360          * Need method description
       
   361          *
       
   362          * @since 1.0
       
   363          * @param
       
   364          * @return
       
   365          */
       
   366         void CopyL( CSvgTextAreaElementImpl* aDestElement );
       
   367 
       
   368     };
       
   369 
       
   370 #endif /* _INC_CSVGLINEELEMENT_3C61A6080051_INCLUDED */