koffice/kexi/main/startup/KexiStartup.h

/* This file is part of the KDE project
   Copyright (C) 2003-2005 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.
*/

#ifndef KEXI_STARTUPHANDLER_H
#define KEXI_STARTUPHANDLER_H

#include <tqstring.h>
#include <tqwidget.h>
#include <kpassdlg.h>

#include <core/kexistartupdata.h>
#include <core/kexi.h>
#include <kexiutils/tristate.h>

class KexiProjectData;
class KexiProjectData;
class KCmdLineArgs;
class KexiStartupHandlerPrivate;
namespace KexiDB {
	class ConnectionData;
}

/*! */
class KEXIMAIN_EXPORT KexiDBPasswordDialog : public KPasswordDialog
{
	Q_OBJECT
  TQ_OBJECT
	public:
		KexiDBPasswordDialog(TQWidget *parent, KexiDB::ConnectionData& cdata, bool showDetailsButton = false);
		virtual ~KexiDBPasswordDialog();

		bool showConnectionDetailsRequested() const { return m_showConnectionDetailsRequested; }

	protected slots:
		virtual void done(int r);
		void slotShowConnectionDetails();

	protected:
		KexiDB::ConnectionData *m_cdata;
		bool m_showConnectionDetailsRequested : 1;
};

/*! Handles startup actions for Kexi application.
*/
class KEXIMAIN_EXPORT KexiStartupHandler 
	: public TQObject, public KexiStartupData, public Kexi::ObjecttqStatus
{
	Q_OBJECT
  TQ_OBJECT

	public:
		KexiStartupHandler();
		virtual ~KexiStartupHandler();

		virtual tristate init(int argc, char **argv);
		
	#if 0
		/*! Used for opening existing projects. 
		 Detects project file type by mime type and returns project data, if it can be detected,
		 otherwise - NULL. \a parent is passed as parent for potential error message boxes.
		 Also uses \a cdata connection data for server-based projects.
		 cdata.driverName is adjusted, if a file-based project has been detected.
		*/
		static KexiProjectData* detectProjectData( 
			KexiDB::ConnectionData& cdata, const TQString &dbname, TQWidget *parent);
	#endif

		/*! Options for detectDriverForFile() */
		enum DetectDriverForFileOptions { 
			DontConvert = 1, //!< skip asking for conversion (used e.g. when dropdb is called)
			ThisIsAProjectFile = 2, //!< a hint, forces detection of the file as a project file
			ThisIsAShortcutToAProjectFile = 4, //!< a hint, forces detection of the file 
			                                   //!< as a shortcut to a project file
			ThisIsAShortcutToAConnectionData = 8, //!< a hint, forces detection of the file 
			                                      //!< as a shortcut to a connection data
			SkipMessages = 16 //!< do not display error or warning messages
		};

		/*! Used for opening existing file-based projects. 
		 Detects actions that should be performed for by looking at the file's mime type.
		 \return true if actions should be performed or cancelled if action should be cancelled
		 In this case there are two possibilities:
		 - \a detectedImportAction == true means "import action" should be performed
		 - nonempty \a detectedDriverName means "open action" should be performed.

		 \a detectedDriverName can contain following special strings:
		 - "shortcut" if the file looks like a shortcut to a project/connection file
		 - "connection" if the file looks like a connection data file.

		 \a parent is passed as a parent for potential error message boxes.
		 \a driverName is a preferred driver name. 
		 \a options should be a combination of DetectDriverForFileOptions enum values. */
		static tristate detectActionForFile( 
			KexiStartupData::Import& detectedImportAction, TQString& detectedDriverName,
			const TQString& _suggestedDriverName, 
			const TQString &dbFileName, TQWidget *parent = 0, int options = 0 );

		/*! Allows user to select a project with KexiProjectSelectorDialog.
			\return selected project's data
			Returns NULL and sets cancelled to true if the dialog was cancelled.
			Returns NULL and sets cancelled to false if there was an error.
		*/
		KexiProjectData* selectProject(KexiDB::ConnectionData *cdata, bool& cancelled, TQWidget *parent = 0);

	protected slots:
		void slotSaveShortcutFileChanges();
//		void slotShowConnectionDetails();

	protected:
		bool getAutoopenObjects(KCmdLineArgs *args, const TQCString &action_name);

		KexiStartupHandlerPrivate *d;
};

namespace Kexi
{
	//! \return singleton Startup Handler singleton.
	KEXIMAIN_EXPORT KexiStartupHandler& startupHandler();
}

#endif