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143 lines
4.3 KiB
143 lines
4.3 KiB
/***************************************************************************
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querytable.h
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-------------------
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begin : Fri Jul 23 2004
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copyright : (C) 2004-2005 by Ace Jones
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(C) 2007 Sascha Pfau
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email : acejones@users.sourceforge.net
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MrPeacock@gmail.com
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***************************************************************************/
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/****************************************************************************
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Contains code from the func_xirr and related methods of financial.cpp
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- KOffice 1.6 by Sascha Pfau. Sascha agreed to relicense those methods under
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GPLv2 or later.
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*****************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef TQUERYTABLE_H
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#define TQUERYTABLE_H
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// ----------------------------------------------------------------------------
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// QT Includes
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#include <tqstringlist.h>
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// ----------------------------------------------------------------------------
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// KDE Includes
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// ----------------------------------------------------------------------------
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// Project Includes
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#include "../mymoney/mymoneyreport.h"
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#include "listtable.h"
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namespace reports {
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class ReportAccount;
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/**
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* Calculates a query of information about the transaction database.
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*
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* This is a middle-layer class, between the UI and the engine. The
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* MyMoneyReport class holds only the CONFIGURATION parameters. This
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* class actually does the work of retrieving the data from the engine
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* and formatting it for the user.
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*
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* @author Ace Jones
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*
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* @short
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**/
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class QueryTable : public ListTable
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{
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public:
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QueryTable(const MyMoneyReport&);
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void init(void);
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protected:
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void constructAccountTable(void);
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void constructTransactionTable(void);
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void constructPerformanceRow( const ReportAccount& account, TableRow& result ) const;
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void constructSplitsTable(void);
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};
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//
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// Cash Flow analysis tools for investment reports
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//
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class CashFlowListItem
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{
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public:
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CashFlowListItem(void) {}
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CashFlowListItem( const TQDate& _date, const MyMoneyMoney& _value ): m_date(_date), m_value(_value) {}
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bool operator<( const CashFlowListItem _second ) const { return m_date < _second.m_date; }
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bool operator<=( const CashFlowListItem _second ) const { return m_date <= _second.m_date; }
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bool operator>( const CashFlowListItem _second ) const { return m_date > _second.m_date; }
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const TQDate& date( void ) const { return m_date; }
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const MyMoneyMoney& value( void ) const { return m_value; }
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MyMoneyMoney NPV( double _rate ) const;
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static void setToday( const TQDate& _today ) { m_sToday = _today; }
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const TQDate& today( void ) const { return m_sToday; }
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private:
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TQDate m_date;
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MyMoneyMoney m_value;
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static TQDate m_sToday;
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};
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class CashFlowList: public TQValueList<CashFlowListItem>
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{
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public:
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CashFlowList(void) {}
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MyMoneyMoney NPV(double rate) const;
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double IRR(void) const;
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MyMoneyMoney total(void) const;
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void dumpDebug(void) const;
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/**
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* Function: XIRR
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*
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* Compute the internal rate of return for a non-periodic series of cash flows.
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*
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* XIRR ( Values; Dates; [ Guess = 0.1 ] )
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**/
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double calculateXIRR ( void ) const;
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protected:
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CashFlowListItem mostRecent(void) const;
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private:
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/**
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* helper: xirrResult
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*
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* args[0] = values
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* args[1] = dates
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**/
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double xirrResult ( double& rate ) const;
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/**
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*
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* helper: xirrResultDerive
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*
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* args[0] = values
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* args[1] = dates
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**/
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double xirrResultDerive ( double& rate ) const;
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};
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}
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#endif // TQUERYREPORT_H
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