rechattr.cpp

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// $Id: rechattr.cpp 1698 2006-08-13 19:47:04Z alex $
/* @@tag:xara-cn@@ DO NOT MODIFY THIS LINE
================================XARAHEADERSTART===========================
 
               Xara LX, a vector drawing and manipulation program.
                    Copyright (C) 1993-2006 Xara Group Ltd.
       Copyright on certain contributions may be held in joint with their
              respective authors. See AUTHORS file for details.

LICENSE TO USE AND MODIFY SOFTWARE
----------------------------------

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=================================XARAHEADEREND============================
 */
    
#include "camtypes.h"                          
#include "rechattr.h"   // Record handling classes for attributes
#include "qualattr.h"
#include "webattr.h"
#include "userattr.h"


//#include "hotlink.h"      //For USERATTRKEY_WEBADDRESS

#include "cxftags.h"
//#include "cxfrec.h" - in camtypes.h [AUTOMATICALLY REMOVED]

DECLARE_SOURCE("$Revision: 1698 $");

CC_IMPLEMENT_DYNAMIC(GeneralAttrRecordHandler, CamelotRecordHandler)

// Declare smart memory handling in Debug builds
// Give this file in memory dumps
#define new CAM_DEBUG_NEW
    

//---------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------

/********************************************************************************************

>   virtual UINT32* GeneralAttrRecordHandler::GetTagList()

    Author:     Mark_Neves (Xara Group Ltd) <camelotdev@xara.com>
    Created:    25/7/96
    Inputs:     -
    Returns:    Ptr to a list of tag values, terminated by CXFRH_TAG_LIST_END
    Purpose:    Provides the record handler system with a list of records handled by this
                handler
    SeeAlso:    -

********************************************************************************************/

UINT32* GeneralAttrRecordHandler::GetTagList()
{
    static UINT32 TagList[] = { TAG_QUALITY,
                                TAG_USERVALUE,
                                TAG_WEBADDRESS,
                                TAG_WEBADDRESS_BOUNDINGBOX,
                                CXFRH_TAG_LIST_END};

    return (UINT32*)&TagList;
}

/********************************************************************************************

>   virtual BOOL GeneralAttrRecordHandler::HandleRecord(CXaraFileRecord* pCXaraFileRecord)

    Author:     Mark_Neves (Xara Group Ltd) <camelotdev@xara.com>
    Created:    25/7/96
    Inputs:     pCXaraFileRecord = ptr to record to handle
    Returns:    TRUE if handled successfuly
                FALSE otherwise
    Purpose:    Handles the given record.
    SeeAlso:    -

********************************************************************************************/

BOOL GeneralAttrRecordHandler::HandleRecord(CXaraFileRecord* pCXaraFileRecord)
{
    ERROR2IF(pCXaraFileRecord == NULL,FALSE,"pCXaraFileRecord is NULL");

    BOOL ok = TRUE;

    switch (pCXaraFileRecord->GetTag())
    {
        case TAG_QUALITY:
            ok = HandleQualityRecord(pCXaraFileRecord);
            break;

        case TAG_USERVALUE:
            ok = HandleUserValueRecord(pCXaraFileRecord);
            break;

        case TAG_WEBADDRESS:
            ok = HandleWebAddressRecord(pCXaraFileRecord);
            break;

        case TAG_WEBADDRESS_BOUNDINGBOX:
            ok = HandleWebAddressBoundingBoxRecord(pCXaraFileRecord);
            break;

        default:
            ok = FALSE;
            ERROR3_PF(("I don't handle records with the tag (%d)\n",pCXaraFileRecord->GetTag()));
            break;
    }

    return ok;
}


/********************************************************************************************

>   BOOL GeneralAttrRecordHandler::HandleQualityRecord(CXaraFileRecord* pCXaraFileRecord)

    Author:     Mark_Neves (Xara Group Ltd) <camelotdev@xara.com>
    Created:    25/7/96
    Inputs:     pCXaraFileRecord = ptr to record to handle
    Returns:    TRUE if handled successfuly
                FALSE otherwise
    Purpose:    Handles the given record.
                The record has to be a quality record (and I don't mean a record of high grade)
    SeeAlso:    -

********************************************************************************************/

BOOL GeneralAttrRecordHandler::HandleQualityRecord(CXaraFileRecord* pCXaraFileRecord)
{
    ERROR2IF(pCXaraFileRecord == NULL,FALSE,"pCXaraFileRecord is NULL");
    ERROR2IF(pCXaraFileRecord->GetTag() != TAG_QUALITY,FALSE,"I don't handle this tag type");

    INT32 Quality = 0;
    BOOL ok = pCXaraFileRecord->ReadINT32(&Quality);

    if (ok)
    {
        AttrQuality* pQual = new AttrQuality;
        if (pQual != NULL)
        {
            pQual->Value.QualityValue.SetQuality(Quality);
            ok = InsertNode(pQual);
        }
        else
            ok = FALSE;
    }

    return ok;
}

/********************************************************************************************

>   BOOL GeneralAttrRecordHandler::HandleUserValueRecord(CXaraFileRecord* pCXaraFileRecord)

    Author:     Phil_Martin (Xara Group Ltd) <camelotdev@xara.com>
    Created:    22/8/96 - amended by Graham 23/3/97 to use the new Web Address record
    Inputs:     pCXaraFileRecord = ptr to record to handle
    Returns:    TRUE if handled successfuly
                FALSE otherwise
    Purpose:    Handles the given record.
                The record has to be a UserAttribute (ValueAttribute) record
    SeeAlso:    -

********************************************************************************************/

BOOL GeneralAttrRecordHandler::HandleUserValueRecord(CXaraFileRecord* pCXaraFileRecord)
{
    ERROR2IF(pCXaraFileRecord == NULL,FALSE,"pCXaraFileRecord is NULL");
    ERROR2IF(pCXaraFileRecord->GetTag() != TAG_USERVALUE,FALSE,"I don't handle this tag type");

    String_256 Key;
    String_256 Value;
    BOOL ok = TRUE;
    if (ok) ok = pCXaraFileRecord->ReadUnicode((LPTSTR)Key, 256);
    if (ok) ok = pCXaraFileRecord->ReadUnicode((LPTSTR)Value, 256);

    if (ok)
    {
        //We need to test the Key, to see if this is an old-style Web Address
        String_256 strKey=Key;
        String_256 strWebAddressKey(_R(IDS_USERATTRKEY_WEBADDRESS));

        //If this is an old-style Web Address
        if (strKey==strWebAddressKey)
        {
            //Then put it in the node tree
            AttrWebAddress* pAttrWebAddress = new AttrWebAddress((TCHAR*)Value);
        
            if (pAttrWebAddress)
                ok = InsertNode(pAttrWebAddress);
            else
                ok = FALSE;
        }
        else
        {
            // We wrote out the INT32 key, so Key is actually that
            AttrUser* const pNewAttr = new AttrUser(Key, Value);
        
            if (pNewAttr != NULL)
            {
                ok = InsertNode(pNewAttr);
            }
            else
            {
                ok = FALSE;
            }
        }

    }

    return ok;
}

/********************************************************************************************

>   BOOL GeneralAttrRecordHandler::HandleWebAddressRecord(CXaraFileRecord* pCXaraFileRecord)

    Author:     Graham_Walmsley (Xara Group Ltd) <camelotdev@xara.com>
    Created:    25/3/97
    Inputs:     pCXaraFileRecord = ptr to record to handle
    Returns:    TRUE if handled successfuly
                FALSE otherwise
    Purpose:    Handles the given record.
                The record has to be a WebAddress record
    SeeAlso:    -

********************************************************************************************/

BOOL GeneralAttrRecordHandler::HandleWebAddressRecord(CXaraFileRecord* pCXaraFileRecord)
{
    ERROR2IF(pCXaraFileRecord == NULL,FALSE,"pCXaraFileRecord is NULL");
    ERROR2IF(pCXaraFileRecord->GetTag() != TAG_WEBADDRESS,FALSE,"I don't handle this tag type");

    //First let's get the size of the record
    UINT32 ulSize=pCXaraFileRecord->GetSize();

    //And allocate two buffers of that size to put the URL and Frame strings in
    TCHAR* pcURL=new TCHAR[ulSize];
    TCHAR* pcFrame=new TCHAR[ulSize];
    BOOL ok = TRUE;

    //Read in the strings
    if (ok) ok = pCXaraFileRecord->ReadUnicode(pcURL, ulSize);
    if (ok) ok = pCXaraFileRecord->ReadUnicode(pcFrame, ulSize);

    //And create a new Web Address attribute out of them
    if (ok)
    {
        AttrWebAddress* pAttrWebAddress = new AttrWebAddress(pcURL, FALSE, pcFrame);
        
        if (pAttrWebAddress)
            ok = InsertNode(pAttrWebAddress);
        else
            ok = FALSE;
    }

    delete pcURL;
    delete pcFrame;

    return ok;
}

/********************************************************************************************

>   BOOL GeneralAttrRecordHandler::HandleWebAddressBoundingBoxRecord(CXaraFileRecord* pCXaraFileRecord)

    Author:     Graham_Walmsley (Xara Group Ltd) <camelotdev@xara.com>
    Created:    25/3/97
    Inputs:     pCXaraFileRecord = ptr to record to handle
    Returns:    TRUE if handled successfuly
                FALSE otherwise
    Purpose:    Handles the given record.
                The record has to be a WebAddressBoundingBox record
    SeeAlso:    -

********************************************************************************************/

BOOL GeneralAttrRecordHandler::HandleWebAddressBoundingBoxRecord(CXaraFileRecord* pCXaraFileRecord)
{
    ERROR2IF(pCXaraFileRecord == NULL,FALSE,"pCXaraFileRecord is NULL");
    ERROR2IF(pCXaraFileRecord->GetTag() != TAG_WEBADDRESS_BOUNDINGBOX,FALSE,"I don't handle this tag type");

    //There will be two coordinates at the start of the file, which will describe the 
    //bounding box of the clickable area of this attribute

    //We don't need these: the bounding box of the clickable area of this attribute
    //is the bounding box of the this attribute's parent node. So we throw them away.
    DocCoord dcThrowAway;
    pCXaraFileRecord->ReadCoordInterleaved(&dcThrowAway);
    pCXaraFileRecord->ReadCoordInterleaved(&dcThrowAway);
        
    //Now get the size of the record
    UINT32 ulSize=pCXaraFileRecord->GetSize();

    //And allocate two buffers of that size to put the URL and Frame strings in
    TCHAR* pcURL=new TCHAR[ulSize];
    TCHAR* pcFrame=new TCHAR[ulSize];
    BOOL ok = TRUE;

    //Read in the strings
    if (ok) ok = pCXaraFileRecord->ReadUnicode(pcURL, ulSize);
    if (ok) ok = pCXaraFileRecord->ReadUnicode(pcFrame, ulSize);

    //And create a new Web Address attribute out of them
    if (ok)
    {
        AttrWebAddress* pAttrWebAddress = new AttrWebAddress(pcURL, TRUE, pcFrame);
        
        if (pAttrWebAddress)
            ok = InsertNode(pAttrWebAddress);
        else
            ok = FALSE;
    }

    delete pcURL;
    delete pcFrame;

    return ok;
}



/********************************************************************************************

>   virtual void GeneralAttrRecordHandler::GetRecordDescriptionText(CXaraFileRecord* pRecord,StringBase* pStr)

    Author:     Mark_Neves (Xara Group Ltd) <camelotdev@xara.com>
    Created:    25/7/96
    Inputs:     pRecord = ptr to a record
                pStr = ptr to string to update
    Returns:    -
    Purpose:    This provides descriptions for the misc attr records.
    Errors:     -
    SeeAlso:    -

********************************************************************************************/

#ifdef XAR_TREE_DIALOG
void GeneralAttrRecordHandler::GetRecordDescriptionText(CXaraFileRecord* pRecord,StringBase* pStr)
{
    if (pStr == NULL || pRecord == NULL)
        return;

    TCHAR s[256];

    //   Call base class first
    CamelotRecordHandler::GetRecordDescriptionText(pRecord,pStr);

    switch (pRecord->GetTag())
    {
        case TAG_QUALITY:
        {
            INT32 Quality = 0;
            pRecord->ReadINT32(&Quality);

            camSprintf(s,_T("Quality = %d\r\n"),Quality);
            (*pStr) += s;
        }
        break;

        case TAG_USERVALUE:
        {
            TCHAR Key[256];
            TCHAR Value[256];
            pRecord->ReadUnicode(Key, 256);
            pRecord->ReadUnicode(Value, 256);

            camSprintf(s,_T("Key   = %s\r\n"),Key);
            (*pStr) += s;
            camSprintf(s,_T("Value = %s\r\n"),Value);
            (*pStr) += s;
        }
        break;

        case TAG_WEBADDRESS:
        {
            TCHAR URL[256];
            TCHAR Frame[256];
            pRecord->ReadUnicode(URL, 256);
            pRecord->ReadUnicode(Frame, 256);

            camSprintf(s,_T("URL   = %s\r\n"),URL);
            (*pStr) += s;
            camSprintf(s,_T("Frame = %s\r\n"),Frame);
            (*pStr) += s;
        }
        break;

        case TAG_WEBADDRESS_BOUNDINGBOX:
        {
            TCHAR URL[256];
            TCHAR Frame[256];
            DocCoord dcThrowAway;
            pRecord->ReadCoordInterleaved(&dcThrowAway);
            pRecord->ReadCoordInterleaved(&dcThrowAway);

            pRecord->ReadUnicode(URL, 256);
            pRecord->ReadUnicode(Frame, 256);

            camSprintf(s,_T("URL   = %s\r\n"),URL);
            (*pStr) += s;
            camSprintf(s,_T("Frame = %s\r\n"),Frame);
            (*pStr) += s;
        }
        break;
    }
}
#endif

---