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/* 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.
*/

#ifndef KEXI_H
#define KEXI_H

#include <tqguardedptr.h>
#include <tqfont.h>

#include <kexi_version.h>
#include "kexiprojectdata.h"
#include "kexipartmanager.h"
#include "kexidbconnectionset.h"
#include "kexiprojectset.h"
#include <kexidb/drivermanager.h>
#include <kexidb/driver.h>

#include <klocale.h>
#include <kmessagebox.h>

namespace Kexi
{
	KEXICORE_EXPORT void initCmdLineArgs(int argc, char *argv[], KAboutData* aboutData = 0);

	/*! Modes of view for the dialogs. Used mostly for parts and KexiDialogBase. */
	enum ViewMode { 
		AllViewModes = 0, //!< Usable primarily in KexiPart::initInstanceActions()
		NoViewMode = 0, //!< In KexiViewBase::afterSwitchFrom() and KexiViewBase::beforeSwitchTo() 
		                //!< means that tqparent dialog of the view has not yet view defined.
		DataViewMode = 1,
		DesignViewMode = 2,
		TextViewMode = 4 //!< Also known as SQL View Mode
	};
	//! i18n'ed name of view mode \a m
	KEXICORE_EXPORT TQString nameForViewMode(int m);

	//! A set of known connections
	KEXICORE_EXPORT KexiDBConnectionSet& connset();
	
	//! A set avaiulable of project infos
	KEXICORE_EXPORT KexiProjectSet& recentProjects();
	
	//! shared driver manager
	KEXICORE_EXPORT KexiDB::DriverManager& driverManager();
	
	//! shared part manager
	KEXICORE_EXPORT KexiPart::Manager& partManager();
	
	//! can be called to delete global objects like driverManager and partManager
	//! (and thus, all loaded factories/plugins)
	//! before KLibrary::~KLibrary() do this for us
	KEXICORE_EXPORT void deleteGlobalObjects();

	//some temporary flags

	//! false by default, flag loaded on main window startup
	KEXICORE_EXPORT bool& tempShowForms(); 

	//! false by default, flag loaded on main window startup
	KEXICORE_EXPORT bool& tempShowReports(); 

	//! false by default, flag loaded on main window startup
	KEXICORE_EXPORT bool& tempShowMacros();

	//! false by default, flag loaded on main window startup
	KEXICORE_EXPORT bool& tempShowScripts(); 

	/*! A global setting for minimal readable font.
	 Note: this is defined because KDE has no such setting yet.
	 \a init is a widget that should be passed if no tqApp->mainWidget() is available yet. */
	KEXICORE_EXPORT TQFont smallFont(TQWidget *init = 0);

	/*! Helper class for storing object status. */
	class KEXICORE_EXPORT ObjecttqStatus
	{
		public:
			ObjecttqStatus();

			ObjecttqStatus(const TQString& message, const TQString& description);

			ObjecttqStatus(KexiDB::Object* dbObject, const TQString& message, const TQString& description);

			~ObjecttqStatus();

			const ObjecttqStatus& status() const;

			bool error() const;

			void settqStatus(const TQString& message, const TQString& description);

			//! Note: for safety, \a dbObject needs to be derived from TQObject, 
			//! otherwise it won't be assigned
			void settqStatus(KexiDB::Object* dbObject, 
				const TQString& message = TQString(), const TQString& description = TQString());

			void settqStatus(KexiDB::ResultInfo* result, 
				const TQString& message = TQString(), const TQString& description = TQString());

			void settqStatus(KexiDB::Object* dbObject, KexiDB::ResultInfo* result, 
				const TQString& message = TQString(), const TQString& description = TQString());

			void cleartqStatus();

			TQString singleStatusString() const;

			void append( const ObjecttqStatus& othertqStatus );

			KexiDB::Object *dbObject() const { return dynamic_cast<KexiDB::Object*>((TQObject*)dbObj); }

			//! Helper returning pseudo handler that just updates this ObjecttqStatus object 
			//! by receiving a message
			operator KexiDB::MessageHandler*();

			TQString message, description;
		protected:
			TQGuardedPtr<TQObject> dbObj; //! This is in fact KexiDB::Object
			KexiDB::MessageHandler* msgHandler;
	};

	KEXICORE_EXPORT TQString msgYouCanImproveData();

}//namespace Kexi

//! Displays information that feature "feature_name" is not availabe in the current application version
KEXICORE_EXPORT void KEXI_UNFINISHED(const TQString& feature_name, const TQString& extra_text = TQString());

//! Like above - for use inside KexiActionProxy subclass - reuses feature name from shared action's text
#define KEXI_UNFINISHED_SHARED_ACTION(action_name) \
	KEXI_UNFINISHED(sharedAction(action_name) ? sharedAction(action_name)->text() : TQString())

#endif