KexiStartup.cpp

/* This file is part of the KDE project
   Copyright (C) 2003-2007 Jaroslaw Staniek <js@iidea.pl>
 
   This library 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 library 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 library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/
 
#include "KexiStartup.h"
#ifdef TQ_WS_WIN
# include "KexiStartup_p_win.h"
#else
# include "KexiStartup_p.h"
#endif
 
#include "kexiproject.h"
#include "kexiprojectdata.h"
#include "kexiprojectset.h"
#include "kexiguimsghandler.h"
 
#include <kexidb/driver.h>
#include <kexidb/drivermanager.h>
#include "KexiStartupDialog.h"
#include "KexiConnSelector.h"
#include "KexiProjectSelectorBase.h"
#include "KexiProjectSelector.h"
#include "KexiNewProjectWizard.h"
#include <kexidbconnectionwidget.h>
#include <kexidbshortcutfile.h>
 
#include <kdebug.h>
#include <tdelocale.h>
#include <kmimetype.h>
#include <tdemessagebox.h>
#include <tdecmdlineargs.h>
#include <tdeversion.h>
#include <kprogress.h>
#include <ktextedit.h>
#include <kstaticdeleter.h>
#include <kuser.h>
 
#include <unistd.h>
 
#include <tqcstring.h>
#include <tqapplication.h>
#include <tqlayout.h>
 
namespace Kexi {
    static KStaticDeleter<KexiStartupHandler> Kexi_startupHandlerDeleter;
    KexiStartupHandler* _startupHandler = 0;
 
    KexiStartupHandler& startupHandler()
    {
        if (!_startupHandler)
            Kexi_startupHandlerDeleter.setObject( _startupHandler, new KexiStartupHandler() );
        return *_startupHandler; 
    }
}
 
//---------------------------------
 
class KexiStartupHandlerPrivate
{
    public:
        KexiStartupHandlerPrivate()
         : passwordDialog(0)//, showConnectionDetailsExecuted(false)
            , shortcutFile(0), connShortcutFile(0), connDialog(0), startupDialog(0)
        {
        }
 
        ~KexiStartupHandlerPrivate()
        {
            delete passwordDialog;
            delete connDialog;
            delete startupDialog;
        }
 
        KexiDBPasswordDialog* passwordDialog;
//      bool showConnectionDetailsExecuted : 1;
        KexiDBShortcutFile *shortcutFile;
        KexiDBConnShortcutFile *connShortcutFile;
        KexiDBConnectionDialog *connDialog;
        TQString shortcutFileGroupKey;
        KexiStartupDialog *startupDialog;
};
 
//---------------------------------
 
static bool stripQuotes(const TQString &item, TQString &name)
{
    if (item.left(1)=="\"" && item.right(1)=="\"") {
        name = item.mid(1, item.length()-2);
        return true;
    }
    name = item;
    return false;
}
 
void updateProgressBar(KProgressDialog *pd, char *buffer, int buflen)
{
    char *p = buffer;
    TQCString line(80);
    for (int i=0; i<buflen; i++, p++) {
        if ((i==0 || buffer[i-1]=='\n') && buffer[i]=='%') {
            bool ok;
            int j=0;
//          char *q=++p;
            ++i;
            line="";
            for (;i<buflen && *p>='0' && *p<='9'; j++, i++, p++)
                line+=TQChar(*p).latin1();
            --i; --p;
            int percent = line.toInt(&ok);
            if (ok && percent>=0 && percent<=100 && pd->progressBar()->progress()<percent) {
//              kdDebug() << percent << endl;
                pd->progressBar()->setProgress(percent);
                tqApp->processEvents(100);
            }
        }
    }
}
 
//---------------------------------
 
KexiDBPasswordDialog::KexiDBPasswordDialog(TQWidget *parent, KexiDB::ConnectionData& cdata, bool showDetailsButton)
 : KPasswordDialog( KPasswordDialog::Password, false/*keep*/, 
    showDetailsButton ? (int)KDialogBase::User1 : 0, parent )
 , m_cdata(&cdata)
 , m_showConnectionDetailsRequested(false)
{
    TQString msg = "<H2>" + i18n("Opening database") + "</H2><p>"
     + i18n("Please enter the password.") + "</p>";
/*      msg += cdata.userName.isEmpty() ?
            "<p>"+i18n("Please enter the password.")
            : "<p>"+i18n("Please enter the password for user.").arg("<b>"+cdata.userName+"</b>");*/
 
    TQString srv = cdata.serverInfoString(false);
    if (srv.isEmpty() || srv.lower()=="localhost")
        srv = i18n("local database server");
 
    msg += ("</p><p>"+i18n("Database server: %1").arg(TQString("<nobr>")+srv+"</nobr>")+"</p>");
        
    TQString usr;
    if (cdata.userName.isEmpty())
        usr = i18n("unspecified user", "(unspecified)");
    else
        usr = cdata.userName;
    
    msg += ("<p>"+i18n("Username: %1").arg(usr)+"</p>");
 
    setPrompt( msg );
    if (showDetailsButton) {
        connect( this, TQ_SIGNAL(user1Clicked()), 
            this, TQ_SLOT(slotShowConnectionDetails()) );
        setButtonText(KDialogBase::User1, i18n("&Details")+ " >>");
    }
    setButtonOK(KGuiItem(i18n("&Open"), "document-open"));
}
 
KexiDBPasswordDialog::~KexiDBPasswordDialog()
{
}
 
void KexiDBPasswordDialog::done(int r)
{
    if (r == TQDialog::Accepted) {
        m_cdata->password = password();
    }
//  if (d->showConnectionDetailsExecuted || ret == TQDialog::Accepted) {
/*          } else {
                m_action = Exit;
                return true;
            }
        }*/
    KPasswordDialog::done(r);
}
 
void KexiDBPasswordDialog::slotShowConnectionDetails()
{
    m_showConnectionDetailsRequested = true;
    close();
}
 
//---------------------------------
KexiStartupHandler::KexiStartupHandler()
 : TQObject(0,"KexiStartupHandler")
 , KexiStartupData()
 , d( new KexiStartupHandlerPrivate() )
{
}
 
KexiStartupHandler::~KexiStartupHandler()
{
    delete d;
}
 
bool KexiStartupHandler::getAutoopenObjects(TDECmdLineArgs *args, const TQCString &action_name)
{
    QCStringList list = args->getOptionList(action_name);
    QCStringList::ConstIterator it;
    bool atLeastOneFound = false;
    for ( it = list.constBegin(); it!=list.constEnd(); ++it) {
        TQString type_name, obj_name, item=*it;
        int idx;
        bool name_required = true;
        if (action_name=="new") {
            obj_name = "";
            stripQuotes(item, type_name);
            name_required = false;
        }
        else {//open, design, text...
            TQString defaultType;
            if (action_name=="execute")
                defaultType = "macro";
            else
                defaultType = "table";
 
            //option with " " (set default type)
            if (stripQuotes(item, obj_name)) {
                type_name = defaultType;
            }
            else if ((idx = item.find(':'))!=-1) {
                //option with type name specified:
                type_name = item.left(idx).lower();
                obj_name = item.mid(idx+1);
                //optional: remove ""
                if (obj_name.left(1)=="\"" && obj_name.right(1)=="\"")
                    obj_name = obj_name.mid(1, obj_name.length()-2);
            }
            else {
                //just obj. name: set default type name
                obj_name = item;
                type_name = defaultType;
            }
        }
        if (type_name.isEmpty())
            continue;
        if (name_required && obj_name.isEmpty())
            continue;
 
        KexiProjectData::ObjectInfo info;
        info["name"]=obj_name;
        info["type"]=type_name;
        info["action"]=action_name;
        //ok, now add info for this object
        atLeastOneFound = true;
        if (projectData())
            projectData()->autoopenObjects.append( info );
        else
            return true; //no need to find more because we do not have projectData() anyway
    } //for
    return atLeastOneFound;
}
 
tristate KexiStartupHandler::init(int /*argc*/, char ** /*argv*/)
{
    m_action = DoNothing;
//  d->showConnectionDetailsExecuted = false;
    TDECmdLineArgs *args = TDECmdLineArgs::parsedArgs(0);
    if (!args)
        return true;
 
    KexiDB::ConnectionData cdata;
 
    const TQString connectionShortcutFileName( args->getOption("connection") );
    if (!connectionShortcutFileName.isEmpty()) {
        KexiDBConnShortcutFile connectionShortcut( connectionShortcutFileName );
        if (!connectionShortcut.loadConnectionData(cdata)) {
            KMessageBox::sorry( 0, "<qt>"
                +i18n("Could not read connection information from connection shortcut "
                "file <nobr>\"%1\"</nobr>.<br><br>Check whether the file has valid contents.")
                .arg(TQDir::convertSeparators(connectionShortcut.fileName())));
            return false;
        }
    }
    
    if (!args->getOption("dbdriver").isEmpty())
        cdata.driverName = args->getOption("dbdriver");
 
    TQString fileType( args->getOption("type").lower() );
    if (args->count()>0 && (!fileType.isEmpty() && fileType!="project" && fileType!="shortcut" && fileType!="connection")) {
        KMessageBox::sorry( 0, 
            i18n("You have specified invalid argument (\"%1\") for \"type\" command-line option.")
            .arg(fileType));
        return false;
    }
 
//  if (cdata.driverName.isEmpty())
//      cdata.driverName = KexiDB::Driver::defaultFileBasedDriverName();
    if (!args->getOption("host").isEmpty())
        cdata.hostName = args->getOption("host");
    if (!args->getOption("local-socket").isEmpty())
        cdata.localSocketFileName = args->getOption("local-socket");
    if (!args->getOption("user").isEmpty())
        cdata.userName = args->getOption("user");
//  cdata.password = args->getOption("password");
    bool fileDriverSelected;
    if (cdata.driverName.isEmpty())
        fileDriverSelected = true;
    else {
        KexiDB::DriverManager dm;
        KexiDB::Driver::Info dinfo = dm.driverInfo(cdata.driverName);
        if (dinfo.name.isEmpty()) {
            //driver name provided explicitly, but not found
            KMessageBox::sorry(0, dm.errorMsg());
            return false;
        }
        fileDriverSelected = dinfo.fileBased;
    }
    bool projectFileExists = false;
 
    //obfuscate the password, if present
//removed
/*
    for (int i=1; i<(argc-1); i++) {
        if (qstrcmp("--password",argv[i])==0
            || qstrcmp("-password",argv[i])==0)
        {
            TQString pwd(argv[i+1]);
            if (!pwd.isEmpty()) {
                pwd.fill(' ');
                pwd[0]='x';
                qstrcpy(argv[i+1], (const char*)pwd.utf8().data());
            }
            break;
        }
    }
    */
    
    const TQString portStr = args->getOption("port");
    if (!portStr.isEmpty()) {
        bool ok;
        const int p = portStr.toInt(&ok);
        if (ok && p > 0)
            cdata.port = p;
        else {
            KMessageBox::sorry( 0, 
                i18n("You have specified invalid port number \"%1\"."));
            return false;
        }
    }
 
    m_forcedUserMode = args->isSet("user-mode");
    m_forcedDesignMode = args->isSet("design-mode");
    m_isProjectNavigatorVisible = args->isSet("show-navigator");
    bool createDB = args->isSet("createdb");
    const bool alsoOpenDB = args->isSet("create-opendb");
    if (alsoOpenDB)
        createDB = true;
    const bool dropDB = args->isSet("dropdb");
    const bool openExisting = !createDB && !dropDB;
    const bool readOnly = args->isSet("readonly");
    const TQString couldnotMsg = TQString::fromLatin1("\n")
        +i18n("Could not start Kexi application this way.");
 
    if (createDB && dropDB) {
        KMessageBox::sorry( 0, i18n(
            "You have used both \"createdb\" and \"dropdb\" startup options.")+couldnotMsg);
        return false;
    };
 
    if (createDB || dropDB) {
        if (args->count()<1) {
            KMessageBox::sorry( 0, i18n("No project name specified.") );
            return false;
        }
        m_action = Exit;
    }
 
//TODO: add option for non-gui; integrate with TDEWallet; 
//      move to static KexiProject method
    if (!fileDriverSelected && !cdata.driverName.isEmpty() && cdata.password.isEmpty()) {
 
        if (cdata.password.isEmpty()) {
            delete d->passwordDialog;
            d->passwordDialog = new KexiDBPasswordDialog(0, cdata, true);
//          connect( d->passwordDialog, TQ_SIGNAL(user1Clicked()), 
//              this, TQ_SLOT(slotShowConnectionDetails()) );
            const int ret = d->passwordDialog->exec();
            if (d->passwordDialog->showConnectionDetailsRequested() || ret == TQDialog::Accepted) {
//              if ( ret == TQDialog::Accepted ) {
        //      if (TQDialog::Accepted == KPasswordDialog::getPassword(pwd, msg)) {
//moved             cdata.password = pwd;
//              }
            } else {
                m_action = Exit;
                return true;
            }
        }
    }
 
/*  kdDebug() << "ARGC==" << args->count() << endl;
    for (int i=0;i<args->count();i++) {
        kdDebug() << "ARG" <<i<< "= " << args->arg(i) <<endl;
    }*/
 
    if (m_forcedUserMode && m_forcedDesignMode) {
        KMessageBox::sorry( 0, i18n(
        "You have used both \"user-mode\" and \"design-mode\" startup options.")+couldnotMsg);
        return false;
    }
 
    //database filenames, shortcut filenames or db names on a server
    if (args->count()>=1) {
        TQString prjName;
        TQString fileName;
        if (fileDriverSelected) {
            fileName = TQFile::decodeName(args->arg(0));
        }
        else {
            prjName = TQString::fromLocal8Bit(args->arg(0));
        }
        
        if (fileDriverSelected) {
            TQFileInfo finfo(fileName);
            prjName = finfo.fileName(); //filename only, to avoid messy names like when Kexi is started with "../../db" arg
            cdata.setFileName( finfo.absFilePath() );
            projectFileExists = finfo.exists();
 
            if (dropDB && !projectFileExists) {
                KMessageBox::sorry(0, 
                    i18n("Could not remove project.\nThe file \"%1\" does not exist.")
                    .arg(TQDir::convertSeparators(cdata.dbFileName())));
                return 0;
            }
        }
 
        if (createDB) {
            if (cdata.driverName.isEmpty())
                cdata.driverName = KexiDB::Driver::defaultFileBasedDriverName();
            m_projectData = new KexiProjectData(cdata, prjName); //dummy
        }
        else {
            if (fileDriverSelected) {
                int detectOptions = 0;
                if (fileType=="project")
                    detectOptions |= ThisIsAProjectFile;
                else if (fileType=="shortcut")
                    detectOptions |= ThisIsAShortcutToAProjectFile;
                else if (fileType=="connection")
                    detectOptions |= ThisIsAShortcutToAConnectionData;
 
                if (dropDB)
                    detectOptions |= DontConvert;
 
                TQString detectedDriverName;
                const tristate res = detectActionForFile( m_importActionData, detectedDriverName, 
                    cdata.driverName, cdata.fileName(), 0, detectOptions );
                if (true != res)
                    return res;
 
                if (m_importActionData) { //importing action
                    m_action = ImportProject;
                    return true;
                }
 
                //opening action
                cdata.driverName = detectedDriverName;
                if (cdata.driverName=="shortcut") {
                    //get information for a shortcut file
                    d->shortcutFile = new KexiDBShortcutFile(cdata.fileName());
                    m_projectData = new KexiProjectData();
                    if (!d->shortcutFile->loadProjectData(*m_projectData, &d->shortcutFileGroupKey)) {
                        KMessageBox::sorry(0, i18n("Could not open shortcut file\n\"%1\".")
                            .arg(TQDir::convertSeparators(cdata.fileName())));
                        delete m_projectData;
                        m_projectData = 0;
                        delete d->shortcutFile;
                        d->shortcutFile = 0;
                        return false;
                    }
                    d->connDialog = new KexiDBConnectionDialog(
                        *m_projectData, d->shortcutFile->fileName());
                    connect(d->connDialog, TQ_SIGNAL(saveChanges()), 
                        this, TQ_SLOT(slotSaveShortcutFileChanges()));
                    int res = d->connDialog->exec();
                    if (res == TQDialog::Accepted) {
                        //get (possibly changed) prj data
                        *m_projectData = d->connDialog->currentProjectData();
                    }
 
                    delete d->connDialog;
                    d->connDialog = 0;
                    delete d->shortcutFile;
                    d->shortcutFile = 0;
 
                    if (res == TQDialog::Rejected) {
                        delete m_projectData;
                        m_projectData = 0;
                        return cancelled;
                    }
                }
                else if (cdata.driverName=="connection") {
                    //get information for a connection file
                    d->connShortcutFile = new KexiDBConnShortcutFile(cdata.fileName());
                    if (!d->connShortcutFile->loadConnectionData(cdata, &d->shortcutFileGroupKey)) {
                        KMessageBox::sorry(0, i18n("Could not open connection data file\n\"%1\".")
                            .arg(TQDir::convertSeparators(cdata.fileName())));
                        delete d->connShortcutFile;
                        d->connShortcutFile = 0;
                        return false;
                    }
                    bool cancel = false;
                    const bool showConnectionDialog = !args->isSet("skip-conn-dialog");
                    while (true) {
                        if (showConnectionDialog) {
                            //show connection dialog, so user can change parameters
                            if (!d->connDialog) {
                                d->connDialog = new KexiDBConnectionDialog(
                                    cdata, d->connShortcutFile->fileName());
                                connect(d->connDialog, TQ_SIGNAL(saveChanges()), 
                                    this, TQ_SLOT(slotSaveShortcutFileChanges()));
                            }
                            const int res = d->connDialog->exec();
                            if (res == TQDialog::Accepted) {
                                //get (possibly changed) prj data
                                cdata = *d->connDialog->currentProjectData().constConnectionData();
                            }
                            else {
                                cancel = true;
                                break;
                            }
                        }
                        m_projectData = selectProject(&cdata, cancel);
                        if (m_projectData || cancel || !showConnectionDialog)
                            break;
                    }
 
                    delete d->connShortcutFile;
                    d->connShortcutFile = 0;
                    delete d->connDialog;
                    d->connDialog = 0;
 
                    if (cancel)
                        return cancelled;
                }
                else
                    m_projectData = new KexiProjectData(cdata, prjName);
            }
            else
                m_projectData = new KexiProjectData(cdata, prjName);
 
        }
//      if (!m_projectData)
//          return false;
    }
    if (args->count()>1) {
        //TODO: KRun another Kexi instances
    }
 
    //let's show connection details, user asked for that in the "password dialog"
    if (d->passwordDialog && d->passwordDialog->showConnectionDetailsRequested()) {
        d->connDialog = new KexiDBConnectionDialog(*m_projectData);
//      connect(d->connDialog->tabWidget->mainWidget, TQ_SIGNAL(saveChanges()), 
//          this, TQ_SLOT(slotSaveShortcutFileChanges()));
        int res = d->connDialog->exec();
 
        if (res == TQDialog::Accepted) {
            //get (possibly changed) prj data
            *m_projectData = d->connDialog->currentProjectData();
        }
 
        delete d->connDialog;
        d->connDialog = 0;
 
        if (res == TQDialog::Rejected) {
            delete m_projectData;
            m_projectData = 0;
            return cancelled;
        }
    }
 
    //---autoopen objects:
    const bool atLeastOneAOOFound = getAutoopenObjects(args, "open")
        || getAutoopenObjects(args, "design")
        || getAutoopenObjects(args, "edittext")
        || getAutoopenObjects(args, "execute")
        || getAutoopenObjects(args, "new")
        || getAutoopenObjects(args, "print")
        || getAutoopenObjects(args, "print-preview");
 
    if (atLeastOneAOOFound && !openExisting) {
        KMessageBox::information( 0, 
            i18n("You have specified a few database objects to be opened automatically, "
                "using startup options.\n"
                "These options will be ignored because it is not available while creating "
                "or dropping projects."));
    }
 
    if (createDB) {
        bool creationNancelled;
        KexiGUIMessageHandler gui;
        KexiProject *prj = KexiProject::createBlankProject(creationNancelled, projectData(), &gui);
        bool ok = prj!=0;
        delete prj;
        if (creationNancelled)
            return cancelled;
        if (!alsoOpenDB) {
            if (ok) {
                KMessageBox::information( 0, i18n("Project \"%1\" created successfully.")
                    .arg( TQDir::convertSeparators(projectData()->databaseName()) ));
            }
            return ok;
        }
    }
    else if (dropDB) {
        KexiGUIMessageHandler gui;
        tristate res = KexiProject::dropProject(projectData(), &gui, false/*ask*/);
        if (res==true)
            KMessageBox::information( 0, i18n("Project \"%1\" dropped successfully.")
                .arg( TQDir::convertSeparators(projectData()->databaseName()) ));
        return res!=false;
    }
 
    //------
 
/*  if (m_forcedFinalMode || (m_projectData && projectData->finalMode())) {
        //TODO: maybe also auto allow to open objects...
        KexiMainWindowImpl::initFinal(m_projectData);
        return;
    }*/
 
    if (!m_projectData) {
        cdata = KexiDB::ConnectionData(); //clear
 
        if (args->isSet("skip-startup-dialog") || !KexiStartupDialog::shouldBeShown())
            return true;
 
        if (!d->startupDialog) {
            //create d->startupDialog for reuse because it can be used again after conn err.
            d->startupDialog = new KexiStartupDialog(
                KexiStartupDialog::Everything, KexiStartupDialog::CheckBoxDoNotShowAgain,
                Kexi::connset(), Kexi::recentProjects(), 0, "KexiStartupDialog");
        }
        if (d->startupDialog->exec()!=TQDialog::Accepted)
            return true;
 
        const int r = d->startupDialog->result();
        if (r == KexiStartupDialog::CreateBlankResult) {
            m_action = CreateBlankProject;
            return true;
        }
        else if (r == KexiStartupDialog::ImportResult) {
            m_action = ImportProject;
            return true;
        }
        else if (r == KexiStartupDialog::CreateFromTemplateResult) {
            const TQString selFile( d->startupDialog->selectedFileName() );
            cdata.setFileName( selFile );
            TQString detectedDriverName;
            const tristate res = detectActionForFile( m_importActionData, detectedDriverName, 
                cdata.driverName, selFile );
            if (true != res)
                return res;
            if (m_importActionData || detectedDriverName.isEmpty())
                return false;
            cdata.driverName = detectedDriverName;
            m_projectData = new KexiProjectData(cdata, selFile);
            m_projectData->autoopenObjects = d->startupDialog->autoopenObjects();
            m_action = CreateFromTemplate;
            return true;
        }
        else if (r == KexiStartupDialog::OpenExistingResult) {
//          kdDebug() << "Existing project --------" << endl;
            const TQString selFile( d->startupDialog->selectedFileName() );
            if (!selFile.isEmpty()) {
                //file-based project
//              kdDebug() << "Project File: " << selFile << endl;
                cdata.setFileName( selFile );
                TQString detectedDriverName;
                const tristate res = detectActionForFile( m_importActionData, detectedDriverName, 
                    cdata.driverName, selFile );
                if (true != res)
                    return res;
                if (m_importActionData) { //importing action
                    m_action = ImportProject;
                    return true;
                }
 
                if (detectedDriverName.isEmpty())
                    return false;
                cdata.driverName = detectedDriverName;
                m_projectData = new KexiProjectData(cdata, selFile);
            }
            else if (d->startupDialog->selectedExistingConnection()) {
//              kdDebug() << "Existing connection: " <<
//                  d->startupDialog->selectedExistingConnection()->serverInfoString() << endl;
                KexiDB::ConnectionData *cdata = d->startupDialog->selectedExistingConnection();
                //ok, now we will try to show projects for this connection to the user
                bool cancelled;
                m_projectData = selectProject( cdata, cancelled );
                if (!m_projectData && !cancelled || cancelled) {
                        //try again
                        return init(0, 0);
                }
                //not needed anymore
                delete d->startupDialog;
                d->startupDialog = 0;
            }
        }
        else if (r==KexiStartupDialog::OpenRecentResult) {
//          kdDebug() << "Recent project --------" << endl;
            const KexiProjectData *data = d->startupDialog->selectedProjectData();
            if (data) {
//              kdDebug() << "Selected project: database=" << data->databaseName()
//                  << " connection=" << data->constConnectionData()->serverInfoString() << endl;
            }
            return data!=0;
        }
 
        if (!m_projectData)
            return true;
    }
    
    if (m_projectData && (openExisting || (createDB && alsoOpenDB))) {
        m_projectData->setReadOnly( readOnly );
        m_action = OpenProject;
    }
    //show if wasn't show yet
//  importantInfo(true);
    
    return true;
}
 
tristate KexiStartupHandler::detectActionForFile( 
    KexiStartupData::Import& detectedImportAction, TQString& detectedDriverName,
    const TQString& _suggestedDriverName, const TQString &dbFileName, TQWidget *parent, int options )
{
    detectedImportAction = KexiStartupData::Import(); //clear
    TQString suggestedDriverName(_suggestedDriverName); //safe
    detectedDriverName = TQString();
    TQFileInfo finfo(dbFileName);
    if (dbFileName.isEmpty() || !finfo.isReadable()) {
        if (!(options & SkipMessages))
            KMessageBox::sorry(parent, i18n("<p>Could not open project.</p>")
                +i18n("<p>The file <nobr>\"%1\"</nobr> does not exist or is not readable.</p>")
                .arg(TQDir::convertSeparators(dbFileName))
                +i18n("Check the file's permissions and whether it is already opened "
                "and locked by another application."));
        return false;
    }
 
    KMimeType::Ptr ptr;
    TQString mimename;
 
    const bool thisIsShortcut = (options & ThisIsAShortcutToAProjectFile) 
        || (options & ThisIsAShortcutToAConnectionData);
 
    if ((options & ThisIsAProjectFile) || !thisIsShortcut) {
        //try this detection if "project file" mode is forced or no type is forced:
        ptr = KMimeType::findByFileContent(dbFileName);
        mimename = ptr.data()->name();
        kdDebug() << "KexiStartupHandler::detectActionForFile(): found mime is: " 
            << mimename << endl;
        if (mimename.isEmpty() || mimename=="application/octet-stream" || mimename=="text/plain") {
            //try by URL:
            ptr = KMimeType::findByURL(dbFileName);
            mimename = ptr.data()->name();
        }
    }
    if (mimename.isEmpty() || mimename=="application/octet-stream") {
        // perhaps the file is locked
        TQFile f(dbFileName);
        if (!f.open(IO_ReadOnly)) {
            // BTW: similar error msg is provided in SQLiteConnection::drv_useDatabase()
            if (!(options & SkipMessages))
                KMessageBox::sorry(parent, i18n("<p>Could not open project.</p>")
                    +i18n("<p>The file <nobr>\"%1\"</nobr> is not readable.</p>")
                    .arg(TQDir::convertSeparators(dbFileName))
                    +i18n("Check the file's permissions and whether it is already opened "
                        "and locked by another application."));
            return false;
        }
    }
    if ((options & ThisIsAShortcutToAProjectFile) || mimename=="application/x-kexiproject-shortcut") {
        detectedDriverName = "shortcut";
        return true;
    }
 
    if ((options & ThisIsAShortcutToAConnectionData) || mimename=="application/x-kexi-connectiondata") {
        detectedDriverName = "connection";
        return true;
    }
 
    if (ptr.data()) {
        if (mimename=="application/x-msaccess") {
            if ((options & SkipMessages) || KMessageBox::Yes != KMessageBox::questionYesNo(
                parent, i18n("\"%1\" is an external file of type:\n\"%2\".\n"
                "Do you want to import the file as a Kexi project?")
                .arg(TQDir::convertSeparators(dbFileName)).arg(ptr.data()->comment()),
                i18n("Open External File"), KGuiItem(i18n("Import...")), KStdGuiItem::cancel() ) )
            {
                return cancelled;
            }
            detectedImportAction.mimeType = mimename;
            detectedImportAction.fileName = dbFileName;
            return true;
        }
    }
 
    if (!finfo.isWritable()) {
    }
 
    // "application/x-kexiproject-sqlite", etc.:
    TQString tmpDriverName = Kexi::driverManager().lookupByMime(mimename).latin1();
//@todo What about trying to reuse KOFFICE FILTER CHAINS here?
    bool useDetectedDriver = suggestedDriverName.isEmpty() || suggestedDriverName.lower()==detectedDriverName.lower();
    if (!useDetectedDriver) {
        int res = KMessageBox::Yes;
        if (!(options & SkipMessages))
            res = KMessageBox::warningYesNoCancel(parent, i18n(
             "The project file \"%1\" is recognized as compatible with \"%2\" database driver, "
             "while you have asked for \"%3\" database driver to be used.\n"
             "Do you want to use \"%4\" database driver?")
             .arg(TQDir::convertSeparators(dbFileName))
             .arg(tmpDriverName).arg(suggestedDriverName).arg(tmpDriverName));
        if (KMessageBox::Yes == res)
            useDetectedDriver = true;
        else if (KMessageBox::Cancel == res)
            return cancelled;
    }
    if (useDetectedDriver) {
        detectedDriverName = tmpDriverName;
    }
    else {//use suggested driver
        detectedDriverName = suggestedDriverName;
    }
//  kdDebug() << "KexiStartupHandler::detectActionForFile(): driver name: " << detectedDriverName << endl;
//hardcoded for convenience:
    const TQString newFileFormat = "SQLite3";
    if (!(options & DontConvert || options & SkipMessages) 
        && detectedDriverName.lower()=="sqlite2" && detectedDriverName.lower()!=suggestedDriverName.lower()
        && KMessageBox::Yes == KMessageBox::questionYesNo(parent, i18n(
            "Previous version of database file format (\"%1\") is detected in the \"%2\" "
            "project file.\nDo you want to convert the project to a new \"%3\" format (recommended)?")
            .arg(detectedDriverName).arg(TQDir::convertSeparators(dbFileName)).arg(newFileFormat)) )
    {
//      SQLite2ToSQLite3Migration *migr = new 
        SQLite2ToSQLite3Migration migr( finfo.absFilePath() );
        tristate res = migr.run();
//      kdDebug() << "--- migr.run() END ---" <<endl;
        if (!res) {
            //TODO msg
            KMessageBox::sorry(parent, i18n(
                "Failed to convert project file \"%1\" to a new \"%2\" format.\n"
                "The file format remains unchanged.")
                .arg(TQDir::convertSeparators(dbFileName)).arg(newFileFormat) );
            //continue...
        }
        if (res==true)
            detectedDriverName = newFileFormat;
    }
//  action.driverName = detectedDriverName;
    if (detectedDriverName.isEmpty()) {
        TQString possibleProblemsInfoMsg( Kexi::driverManager().possibleProblemsInfoMsg() );
        if (!possibleProblemsInfoMsg.isEmpty()) {
            possibleProblemsInfoMsg.prepend(TQString::fromLatin1("<p>")+i18n("Possible problems:"));
            possibleProblemsInfoMsg += TQString::fromLatin1("</p>");
        }
        if (!(options & SkipMessages))
            KMessageBox::detailedSorry(parent, 
                i18n( "The file \"%1\" is not recognized as being supported by Kexi.")
                    .arg(TQDir::convertSeparators(dbFileName)),
                TQString::fromLatin1("<p>")
                +i18n("Database driver for this file type not found.\nDetected MIME type: %1")
                    .arg(mimename)
                +(ptr.data()->comment().isEmpty() 
                    ? TQString::fromLatin1(".") : TQString::fromLatin1(" (%1).").arg(ptr.data()->comment()))
                +TQString::fromLatin1("</p>")
                +possibleProblemsInfoMsg);
        return false;
    }
    return true;
}
 
KexiProjectData*
KexiStartupHandler::selectProject(KexiDB::ConnectionData *cdata, bool& cancelled, TQWidget *parent)
{
    clearStatus();
    cancelled = false;
    if (!cdata)
        return 0;
    if (!cdata->savePassword && cdata->password.isEmpty()) {
        if (!d->passwordDialog)
            d->passwordDialog = new KexiDBPasswordDialog(0, *cdata, false);
        const int ret = d->passwordDialog->exec();
        if (d->passwordDialog->showConnectionDetailsRequested() || ret == TQDialog::Accepted) {
 
        } else {
            cancelled = true;
            return 0;
        }
    }
    KexiProjectData* projectData = 0;
    //dialog for selecting a project
    KexiProjectSelectorDialog prjdlg( parent, "prjdlg", cdata, true, false );
    if (!prjdlg.projectSet() || prjdlg.projectSet()->error()) {
        KexiGUIMessageHandler msgh;
        if (prjdlg.projectSet())
            msgh.showErrorMessage(prjdlg.projectSet(), 
                i18n("Could not load list of available projects for <b>%1</b> database server.")
                .arg(cdata->serverInfoString(true)));
        else
            msgh.showErrorMessage(
                i18n("Could not load list of available projects for <b>%1</b> database server.")
                .arg(cdata->serverInfoString(true)));
//      setStatus(i18n("Could not load list of available projects for database server \"%1\"")
//      .arg(cdata->serverInfoString(true)), prjdlg.projectSet()->errorMsg());
        return 0;
    }
    if (prjdlg.exec()!=TQDialog::Accepted) {
        cancelled = true;
        return 0;
    }
    if (prjdlg.selectedProjectData()) {
        //deep copy
        projectData = new KexiProjectData(*prjdlg.selectedProjectData());
    }
    return projectData;
}
 
void KexiStartupHandler::slotSaveShortcutFileChanges()
{
    bool ok = true;
    if (d->shortcutFile)
        ok = d->shortcutFile->saveProjectData(d->connDialog->currentProjectData(), 
            d->connDialog->savePasswordOptionSelected(), 
            &d->shortcutFileGroupKey );
    else if (d->connShortcutFile)
        ok = d->connShortcutFile->saveConnectionData(
            *d->connDialog->currentProjectData().connectionData(), 
            d->connDialog->savePasswordOptionSelected(), 
            &d->shortcutFileGroupKey );
 
    if (!ok) {
        KMessageBox::sorry(0, i18n("Failed saving connection data to\n\"%1\" file.")
            .arg(TQDir::convertSeparators(d->shortcutFile->fileName())));
    }
}
 
/*void KexiStartupHandler::slotShowConnectionDetails()
{
    d->passwordDialog->close();
    d->showConnectionDetailsExecuted = true;
}*/
 
#include "KexiStartup.moc"