object.cpp

/* This file is part of the KDE project
   Copyright (C) 2003-2005 Jaroslaw Staniek <js@iidea.pl>
 
   This program is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.
 
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.
 
   You should have received a copy of the GNU Library General Public License
   along with this program; see the file COPYING.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/
 
#include <kexidb/object.h>
#include <kexidb/error.h>
#include <kexidb/msghandler.h>
 
#include <tdelocale.h>
#include <kdebug.h>
 
using namespace KexiDB;
 
#define ERRMSG(a) \
    { if (m_msgHandler) m_msgHandler->showErrorMessage(a); }
 
Object::Object(MessageHandler* handler)
: m_previousServerResultNum(0)
, m_previousServerResultNum2(0)
, m_msgHandler(handler)
, d(0) //empty
{
    clearError();
}
 
Object::~Object()
{
}
 
#define STORE_PREV_ERR \
    m_previousServerResultNum = m_previousServerResultNum2; \
    m_previousServerResultName = m_previousServerResultName2; \
    m_previousServerResultNum2 = serverResult(); \
    m_previousServerResultName2 = serverResultName(); \
    KexiDBDbg << "Object ERROR: " << m_previousServerResultNum2 << ": " \
        << m_previousServerResultName2 <<endl
 
void Object::setError( int code, const TQString &msg )
{
    STORE_PREV_ERR;
 
    m_errno=code;
    m_errorSql = m_sql;
    if (m_errno==ERR_OTHER && msg.isEmpty())
        m_errMsg = i18n("Unspecified error encountered");
    else
        m_errMsg = msg;
    m_hasError = code!=ERR_NONE;
 
    if (m_hasError)
        ERRMSG(this);
}
 
void Object::setError( const TQString &msg )
{
    setError( ERR_OTHER, msg );
}
 
void Object::setError( const TQString& title, const TQString &msg )
{
    STORE_PREV_ERR;
 
    m_errno=ERR_OTHER;
    TQString origMsgTitle( m_msgTitle ); //store
    
    m_msgTitle += title;
    m_errMsg = msg;
    m_errorSql = m_sql;
    m_hasError = true;
    if (m_hasError)
        ERRMSG(this);
        
    m_msgTitle = origMsgTitle; //revert 
}
 
void Object::setError( KexiDB::Object *obj, const TQString& prependMessage )
{
    setError( obj, obj ? obj->errorNum() : ERR_OTHER, prependMessage );
}
 
void Object::setError( KexiDB::Object *obj, int code, const TQString& prependMessage )
{
    if (obj && (obj->errorNum()!=0 || !obj->serverErrorMsg().isEmpty())) {
        STORE_PREV_ERR;
 
        m_errno = obj->errorNum();
        m_hasError = obj->error();
        if (m_errno==0) {
            m_errno = code;
            m_hasError = true;
        }
        m_errMsg = (prependMessage.isEmpty() ? TQString() : (prependMessage + " ")) 
            + obj->errorMsg();
        m_sql = obj->m_sql;
        m_errorSql = obj->m_errorSql;
        m_serverResult = obj->serverResult();
        if (m_serverResult==0) //try copied
            m_serverResult = obj->m_serverResult;
        m_serverResultName = obj->serverResultName();
        if (m_serverResultName.isEmpty()) //try copied
            m_serverResultName = obj->m_serverResultName;
        m_serverErrorMsg = obj->serverErrorMsg();
        if (m_serverErrorMsg.isEmpty()) //try copied
            m_serverErrorMsg = obj->m_serverErrorMsg;
        //override
        if (code!=0 && code!=ERR_OTHER)
            m_errno = code;
        if (m_hasError)
            ERRMSG(this);
    }
    else {
        setError( code!=0 ? code : ERR_OTHER, prependMessage );
    }
}
 
void Object::clearError()
{ 
    m_errno = 0;
    m_hasError = false;
    m_errMsg = TQString();
    m_sql = TQString();
    m_errorSql = TQString();
    m_serverResult = 0;
    m_serverResultName = TQString();
    m_serverErrorMsg = TQString();
    drv_clearServerResult();
}
 
TQString Object::serverErrorMsg()
{
    return m_serverErrorMsg;
}
 
int Object::serverResult()
{
    return m_serverResult;
}
 
TQString Object::serverResultName()
{
    return m_serverResultName;
}
 
void Object::debugError()
{
    if (error()) {
        KexiDBDbg << "KEXIDB ERROR: " << errorMsg() << endl;
        TQString s = serverErrorMsg(), sn = serverResultName();
        if (!s.isEmpty())
            KexiDBDbg << "KEXIDB SERVER ERRMSG: " << s << endl;
        if (!sn.isEmpty())
            KexiDBDbg << "KEXIDB SERVER RESULT NAME: " << sn << endl;
        if (serverResult()!=0)
            KexiDBDbg << "KEXIDB SERVER RESULT #: " << serverResult() << endl;
    } else
        KexiDBDbg << "KEXIDB OK." << endl;
}
 
int Object::askQuestion( const TQString& message, 
    KMessageBox::DialogType dlgType, KMessageBox::ButtonCode defaultResult,
    const KGuiItem &buttonYes, 
    const KGuiItem &buttonNo,
    const TQString &dontShowAskAgainName,
    int options, 
    MessageHandler* msgHandler )
{
    if (msgHandler)
        return msgHandler->askQuestion(message, dlgType, defaultResult, buttonYes, buttonNo, 
            dontShowAskAgainName, options);
 
    if (m_msgHandler)
        return m_msgHandler->askQuestion(message, dlgType, defaultResult, buttonYes, buttonNo, 
            dontShowAskAgainName, options);
 
    return defaultResult;
}