Added old abandoned KDE3 version of koffice

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/koffice@1077364 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 384 insertions, 0 deletions

diff --git a/kexi/migration/migratemanager.cpp b/kexi/migration/migratemanager.cpp
new file mode 100644
index 00000000..320ad718
--- /dev/null
+++ b/kexi/migration/migratemanager.cpp
@@ -0,0 +1,384 @@
+/* This file is part of the KDE project
+   Daniel Molkentin <molkentin@kde.org>
+   Joseph Wenninger <jowenn@kde.org>
+   Copyright (C) 2003-2004 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 "migratemanager.h"
+#include "migratemanager_p.h"
+#include "keximigrate.h"
+
+#include <klibloader.h>
+#include <kparts/componentfactory.h>
+#include <ktrader.h>
+#include <kdebug.h>
+#include <klocale.h>
+#include <kservice.h>
+
+#include <assert.h>
+
+#include <qapplication.h>
+
+//remove debug
+#undef KexiDBDbg
+#define KexiDBDbg if (0) kdDebug()
+
+using namespace KexiMigration;
+
+MigrateManagerInternal* MigrateManagerInternal::s_self = 0L;
+
+/*! @todo
+ Temporary, needed because MigrateManagerInternal::m_drivers is autodeleted
+ drivers currently own KexiMigrate::Data members so these are destroyed when 
+ last MigrateManager instance is deleted. Remove this hack when 
+ KexiMigrate is splitted into Driver and Connection. */
+MigrateManager __manager;
+
+MigrateManagerInternal::MigrateManagerInternal() /* protected */
+	: QObject( 0, "KexiMigrate::MigrateManagerInternal" )
+	, Object()
+	, m_drivers(17, false)
+	, m_refCount(0)
+	, lookupDriversNeeded(true)
+{
+	m_drivers.setAutoDelete(true);
+	m_serverResultNum=0;
+
+}
+
+MigrateManagerInternal::~MigrateManagerInternal()
+{
+	KexiDBDbg << "MigrateManagerInternal::~MigrateManagerInternal()" << endl;
+	m_drivers.clear();
+	if ( s_self == this )
+		s_self = 0;
+	KexiDBDbg << "MigrateManagerInternal::~MigrateManagerInternal() ok" << endl;
+}
+
+void MigrateManagerInternal::slotAppQuits()
+{
+	if (qApp->mainWidget() && qApp->mainWidget()->isVisible())
+	    return; //what a hack! - we give up when app is still there
+	KexiDBDbg << "MigrateManagerInternal::slotAppQuits(): let's clear drivers..." << endl;
+	m_drivers.clear();
+}
+
+MigrateManagerInternal *MigrateManagerInternal::self()
+{
+	if (!s_self)
+		s_self = new MigrateManagerInternal();
+
+	return s_self;
+}
+
+bool MigrateManagerInternal::lookupDrivers()
+{
+	if (!lookupDriversNeeded)
+		return true;
+
+	if (qApp) {
+		connect(qApp,SIGNAL(aboutToQuit()),this,SLOT(slotAppQuits()));
+	}
+//TODO: for QT-only version check for KInstance wrapper
+//		KexiDBWarn << "DriverManagerInternal::lookupDrivers(): cannot work without KInstance (KGlobal::instance()==0)!" << endl;
+//		setError("Driver Manager cannot work without KInstance (KGlobal::instance()==0)!");
+
+	lookupDriversNeeded = false;
+	clearError();
+	KTrader::OfferList tlist = KTrader::self()->query("Kexi/MigrationDriver");
+	KTrader::OfferList::ConstIterator it(tlist.constBegin());
+	for(; it != tlist.constEnd(); ++it)
+	{
+		KService::Ptr ptr = (*it);
+		QString srv_name = ptr->property("X-Kexi-MigrationDriverName").toString();
+		if (srv_name.isEmpty()) {
+			KexiDBWarn << "MigrateManagerInternal::lookupDrivers(): "
+				"X-Kexi-MigrationDriverName must be set for migration driver \"" 
+				<< ptr->property("Name").toString() << "\" service!\n -- skipped!" << endl;
+			continue;
+		}
+		if (m_services_lcase.contains(srv_name.lower())) {
+			continue;
+		}
+
+//! @todo could be merged. Copied from KexiDB::DriverManager.
+//<COPIED>
+		QString srv_ver_str = ptr->property("X-Kexi-KexiMigrationVersion").toString();
+		QStringList lst( QStringList::split(".", srv_ver_str) );
+		int minor_ver, major_ver;
+		bool ok = (lst.count() == 2);
+		if (ok)
+			major_ver = lst[0].toUInt(&ok);
+		if (ok)
+			minor_ver = lst[1].toUInt(&ok);
+		if (!ok) {
+			KexiDBWarn << "MigrateManagerInternal::lookupDrivers(): problem with detecting '"
+			<< srv_name.lower() << "' driver's version -- skipping it!" << endl;
+			possibleProblems += QString("\"%1\" migration driver has unrecognized version; "
+				"required driver version is \"%2.%3\"")
+				.arg(srv_name.lower())
+				.arg(KexiMigration::versionMajor()).arg(KexiMigration::versionMinor());
+			continue;
+		}
+		if (major_ver != KexiMigration::versionMajor() || minor_ver != KexiMigration::versionMinor()) {
+			KexiDBWarn << QString("MigrateManagerInternal::lookupDrivers(): '%1' driver" 
+				" has version '%2' but required migration driver version is '%3.%4'\n"
+				" -- skipping this driver!").arg(srv_name.lower()).arg(srv_ver_str)
+				.arg(KexiMigration::versionMajor()).arg(KexiMigration::versionMinor()) << endl;
+			possibleProblems += QString("\"%1\" migration driver has version \"%2\" "
+				"but required driver version is \"%3.%4\"")
+				.arg(srv_name.lower()).arg(srv_ver_str)
+				.arg(KexiMigration::versionMajor()).arg(KexiMigration::versionMinor());
+			continue;
+		}
+//</COPIED>
+
+		QString mime = ptr->property("X-Kexi-FileDBDriverMime").toString().lower();
+		QString drvType = ptr->property("X-Kexi-MigrationDriverType").toString().lower();
+		if (drvType=="file") {
+			if (!mime.isEmpty()) {
+				if (!m_services_by_mimetype.contains(mime)) {
+					m_services_by_mimetype.insert(mime, ptr);
+				}
+				else {
+					KexiDBWarn << "MigrateManagerInternal::lookupDrivers(): more than one driver for '" 
+						<< mime << "' mime type!" << endl;
+				}
+			}
+		}
+		m_services.insert(srv_name, ptr);
+		m_services_lcase.insert(srv_name.lower(), ptr);
+		KexiDBDbg << "MigrateManager::lookupDrivers(): registered driver: " << ptr->name() 
+			<< "(" << ptr->library() << ")" << endl;
+	}
+
+	if (tlist.isEmpty())
+	{
+		setError(ERR_DRIVERMANAGER, i18n("Could not find any import/export database drivers.") );
+		return false;
+	}
+	return true;
+}
+
+KexiMigrate* MigrateManagerInternal::driver(const QString& name)
+{
+	if (!lookupDrivers())
+		return 0;
+	
+	clearError();
+	KexiDBDbg << "MigrationrManagerInternal::migrationDriver(): loading " << name << endl;
+
+	KexiMigrate *drv = name.isEmpty() ? 0 : m_drivers.find(name.latin1());
+	if (drv)
+		return drv; //cached
+
+	if (!m_services_lcase.contains(name.lower())) {
+		setError(ERR_DRIVERMANAGER, i18n("Could not find import/export database driver \"%1\".").arg(name) );
+		return 0;
+	}
+
+	KService::Ptr ptr= *(m_services_lcase.find(name.lower()));
+	QString srv_name = ptr->property("X-Kexi-MigrationDriverName").toString();
+
+	KexiDBDbg << "MigrateManagerInternal::driver(): library: "<<ptr->library()<<endl;
+	drv = KParts::ComponentFactory::createInstanceFromService<KexiMigrate>(ptr,
+		this, srv_name.latin1(), QStringList(),&m_serverResultNum);
+
+	if (!drv) {
+		setError(ERR_DRIVERMANAGER, i18n("Could not load import/export database driver \"%1\".")
+				.arg(name) );
+		if (m_componentLoadingErrors.isEmpty()) {//fill errtable on demand
+			m_componentLoadingErrors[KParts::ComponentFactory::ErrNoServiceFound]="ErrNoServiceFound";
+			m_componentLoadingErrors[KParts::ComponentFactory::ErrServiceProvidesNoLibrary]="ErrServiceProvidesNoLibrary";
+			m_componentLoadingErrors[KParts::ComponentFactory::ErrNoLibrary]="ErrNoLibrary";
+			m_componentLoadingErrors[KParts::ComponentFactory::ErrNoFactory]="ErrNoFactory";
+			m_componentLoadingErrors[KParts::ComponentFactory::ErrNoComponent]="ErrNoComponent";
+		}
+		m_serverResultName=m_componentLoadingErrors[m_serverResultNum];
+		return 0;
+	}
+	KexiDBDbg << "MigrateManagerInternal::driver(): loading succeed: " << name <<endl;
+	KexiDBDbg << "drv="<<(long)drv <<endl;
+
+//	drv->setName(srv_name.latin1());
+//	drv->d->service = ptr; //store info
+//	drv->d->fileDBDriverMimeType = ptr->property("X-Kexi-FileDBDriverMime").toString();
+//	drv->d->initInternalProperties();
+
+	if (!drv->isValid()) {
+		setError(drv);
+		delete drv;
+		return 0;
+	}
+
+	m_drivers.insert(name.latin1(), drv); //cache it
+	return drv;
+}
+
+void MigrateManagerInternal::incRefCount()
+{
+	m_refCount++;
+	KexiDBDbg << "MigrateManagerInternal::incRefCount(): " << m_refCount << endl;
+}
+
+void MigrateManagerInternal::decRefCount()
+{
+	m_refCount--;
+	KexiDBDbg << "MigrateManagerInternal::decRefCount(): " << m_refCount << endl;
+//	if (m_refCount<1) {
+//		KexiDBDbg<<"KexiDB::DriverManagerInternal::decRefCount(): reached m_refCount<1 -->deletelater()"<<endl;
+//		s_self=0;
+//		deleteLater();
+//	}
+}
+
+// ---------------------------
+// --- DriverManager impl. ---
+// ---------------------------
+
+MigrateManager::MigrateManager()
+	: QObject( 0, "KexiMigrate::MigrateManager" )
+	, Object()
+	, d_int( MigrateManagerInternal::self() )
+{
+	d_int->incRefCount();
+//	if ( !s_self )
+//		s_self = this;
+//	lookupDrivers();
+}
+
+MigrateManager::~MigrateManager()
+{
+	KexiDBDbg << "MigrateManager::~MigrateManager()" << endl;
+/*	Connection *conn;
+	for ( conn = m_connections.first(); conn ; conn = m_connections.next() ) {
+		conn->disconnect();
+		conn->m_driver = 0; //don't let the connection touch our driver now
+		m_connections.remove();
+		delete conn;
+	}*/
+
+	d_int->decRefCount();
+	if (d_int->m_refCount==0) {
+		//delete internal drv manager!
+		delete d_int;
+	}
+//	if ( s_self == this )
+		//s_self = 0;
+	KexiDBDbg << "MigrateManager::~MigrateManager() ok" << endl;
+}
+
+
+const QStringList MigrateManager::driverNames()
+{
+	if (!d_int->lookupDrivers()) {
+		kdDebug() << "MigrateManager::driverNames() lookupDrivers failed" << endl;
+		return QStringList();
+	}
+	
+	if (d_int->m_services.isEmpty()) {
+		kdDebug() << "MigrateManager::driverNames() MigrateManager::ServicesMap is empty" << endl;
+		return QStringList();
+	}
+
+	if (d_int->error()) {
+		kdDebug() << "MigrateManager::driverNames() Error: " << d_int->errorMsg() << endl;
+		return QStringList();
+	}
+
+	return d_int->m_services.keys();
+}
+
+QString MigrateManager::driverForMimeType(const QString &mimeType)
+{
+	if (!d_int->lookupDrivers()) {
+		kdDebug() << "MigrateManager::driverForMimeType() lookupDrivers() failed" << endl;
+		setError(d_int);
+		return 0;
+	}
+	
+	KService::Ptr ptr = d_int->m_services_by_mimetype[mimeType.lower()];
+	if (!ptr) {
+		kdDebug() << QString("MigrateManager::driverForMimeType(%1) No such mimetype").arg(mimeType) << endl;
+		return QString::null;
+	}
+
+	return ptr->property("X-Kexi-MigrationDriverName").toString();
+}
+
+KexiMigrate* MigrateManager::driver(const QString& name)
+{
+	KexiMigrate *drv = d_int->driver(name);
+	if (d_int->error()) {
+		kdDebug() << QString("MigrateManager::driver(%1) Error: %2").arg(name).arg(d_int->errorMsg()) << endl;
+		setError(d_int);
+	}
+	return drv;
+}
+
+QString MigrateManager::serverErrorMsg()
+{
+	return d_int->m_serverErrMsg;
+}
+
+int MigrateManager::serverResult()
+{
+	return d_int->m_serverResultNum;
+}
+
+QString MigrateManager::serverResultName()
+{
+	return d_int->m_serverResultName;
+}
+
+void MigrateManager::drv_clearServerResult()
+{
+	d_int->m_serverErrMsg=QString::null;
+	d_int->m_serverResultNum=0;
+	d_int->m_serverResultName=QString::null;
+}
+
+QString MigrateManager::possibleProblemsInfoMsg() const
+{
+	if (d_int->possibleProblems.isEmpty())
+		return QString::null;
+	QString str;
+	str.reserve(1024);
+	str = "<ul>";
+	for (QStringList::ConstIterator it = d_int->possibleProblems.constBegin();
+		it!=d_int->possibleProblems.constEnd(); ++it)
+	{
+		str += (QString::fromLatin1("<li>") + *it + QString::fromLatin1("</li>"));
+	}
+	str += "</ul>";
+	return str;
+}
+
+//------------------------
+
+int KexiMigration::versionMajor()
+{
+	return KEXI_MIGRATION_VERSION_MAJOR;
+}
+
+int KexiMigration::versionMinor()
+{
+	return KEXI_MIGRATION_VERSION_MINOR;
+}
+
+#include "migratemanager_p.moc"