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kmymoney/kmymoney2/reports/pivottable.h

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/***************************************************************************
pivottable.h
-------------------
begin : Sat May 22 2004
copyright : (C) 2004-2005 by Ace Jones
email : <ace.j@hotpop.com>
Thomas Baumgart <ipwizard@users.sourceforge.net>
Alvaro Soliverez <asoliverez@gmail.com>
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef PIVOTTABLE_H
#define PIVOTTABLE_H
// ----------------------------------------------------------------------------
// QT Includes
#include <tqmap.h>
#include <tqvaluelist.h>
// ----------------------------------------------------------------------------
// KDE Includes
// ----------------------------------------------------------------------------
// Project Includes
#include "kreportchartview.h"
#include "../mymoney/mymoneyfile.h"
#include "../mymoney/mymoneyreport.h"
#include "reporttable.h"
#include "pivotgrid.h"
#include "reportaccount.h"
namespace reports {
/**
* Calculates a 'pivot table' of information about the transaction database.
* Based on pivot tables in MS Excel, and implemented as 'Data Pilot' in
* OpenOffice.Org Calc.
*
* | Month,etc
* -------------+------------
* Expense Type | Sum(Value)
* Category |
*
* This is a middle-layer class, between the UI and the engine. The
* MyMoneyReport class holds only the CONFIGURATION parameters. This
* class actually does the work of retrieving the data from the engine
* and formatting it for the user.
*
* @author Ace Jones
*
* @short
**/
class PivotTable : public ReportTable
{
public:
/**
* Create a Pivot table style report
*
* @param _config_f The configuration parameters for this report
*/
PivotTable( const MyMoneyReport& _config_f );
/**
* virtual Destructur
*/
virtual ~PivotTable() {}
/**
* Render the report to an HTML stream.
*
* @return TQString HTML string representing the report
*/
TQString renderHTML( void ) const;
/**
* Render the report to a comma-separated-values stream.
*
* @return TQString CSV string representing the report
*/
TQString renderCSV( void ) const;
/**
* Render the report to a graphical chart
*
* @param view The KReportChartView into which to draw the chart.
*/
void drawChart( KReportChartView& view ) const;
/**
* Dump the report's HTML to a file
*
* @param file The filename to dump into
* @param context unused, but provided for interface compatibility
*/
void dump( const TQString& file, const TQString& context=TQString()) const;
/**
* Returns the grid generated by the report
*
*/
PivotGrid grid(void) {return m_grid;}
protected:
void init(void); // used for debugging the constructor
private:
PivotGrid m_grid;
TQStringList m_columnHeadings;
unsigned m_numColumns;
TQDate m_beginDate;
TQDate m_endDate;
bool m_runningSumsCalculated;
/**
* For budget-vs-actual reports only, maps each account to the account which holds
* the budget for it. If an account is not contained in this map, it is not included
* in the budget.
*/
TQMap<TQString, TQString> m_budgetMap;
/**
* This list contains the types of PivotGridRows that are going to be shown in the report
*/
TQValueList<ERowType> m_rowTypeList;
/**
* This list contains the i18n headers for the column types
*/
TQValueList<TQString> m_columnTypeHeaderList;
MyMoneyReport m_config_f;
/**
* This method returns the formatted value of @a amount with
* a possible @a currencySymbol added and @a prec fractional digits.
* @a currencySymbol defaults to be empty and @a prec defaults to 2.
*
* If @a amount is negative the formatted value is enclosed in an
* HTML font tag to modify the color to reflect the user settings for
* negtive numbers.
*
* Example: 1.23 is returned as '1.23' whereas -1.23 is returned as
* @verbatim <font color="rgb($red,$green,$blue)">-1.23</font>@endverbatim
* with $red, $green and $blue being the actual value for the
* chosen color.
*/
TQString coloredAmount(const MyMoneyMoney& amount, const TQString& currencySymbol = TQString(), int prec = 2 ) const;
protected:
/**
* Creates a row in the grid if it doesn't already exist
*
* Downsteam assignment functions will assume that this row already
* exists, so this function creates a row of the needed length populated
* with zeros.
*
* @param outergroup The outer row group
* @param row The row itself
* @param recursive Whether to also recursively create rows for our parent accounts
*/
void createRow( const TQString& outergroup, const ReportAccount& row, bool recursive );
/**
* Assigns a value into the grid
*
* Adds the given value to the value which already exists at the specified grid position
*
* @param outergroup The outer row group
* @param row The row itself
* @param column The column
* @param value The value to be added in
* @param budget Whether this is a budget value (@p true) or an actual
* value (@p false). Defaults to @p false.
* @param stockSplit Wheter this is a stock split (@p true) or an actual
* value (@p false). Defaults to @p false.
*/
inline void assignCell( const TQString& outergroup, const ReportAccount& row, unsigned column, MyMoneyMoney value, bool budget = false, bool stockSplit = false );
/**
* Create a row for each included account. This is used when
* the config parameter isIncludingUnusedAccount() is true
*/
void createAccountRows(void);
/**
* Record the opening balances of all qualifying accounts into the grid.
*
* For accounts opened before the report period, places the balance into the '0' column.
* For those opened during the report period, places the balance into the appropriate column
* for the month when it was opened.
*/
void calculateOpeningBalances( void );
/**
* Calculate budget mapping
*
* For budget-vs-actual reports, this creates a mapping between each account
* in the user's hierarchy and the account where the budget is held for it.
* This is needed because the user can budget on a given account for that
* account and all its descendants. Also if NO budget is placed on the
* account or any of its parents, the account is not included in the map.
*/
void calculateBudgetMapping( void );
/**
* Calculate the running sums.
*
* After calling this method, each cell of the report will contain the running sum of all
* the cells in its row in this and earlier columns.
*
* For example, consider a row with these values:
* 01 02 03 04 05 06 07 08 09 10
*
* After calling this function, the row will look like this:
* 01 03 06 10 15 21 28 36 45 55
*/
void calculateRunningSums( void );
void calculateRunningSums( PivotInnerGroup::iterator& it_row);
/**
* This method calculates the difference between a @a budgeted and an @a
* actual amount. The calculation is based on the type of the
* @a repAccount. The difference value is calculated as follows:
*
* If @a repAccount is of type MyMoneyAccount::Income
*
* @code
* diff = actual - budgeted
* @endcode
*
* If @a repAccount is of type MyMoneyAccount::Expense
*
* @code
* diff = budgeted - actual
* @endcode
*
* In all other cases, 0 is returned.
*/
void calculateBudgetDiff(void);
/**
* This method calculates forecast for a report
*/
void calculateForecast(void);
/**
* This method inserts units to be used to display prices
*/
void fillBasePriceUnit(ERowType rowType);
/**
* This method calculates moving average for a report
*/
void calculateMovingAverage(void);
/**
* Calculate the row and column totals
*
* This function will set the m_total members of all the TGrid objects. Be sure the values are
* all converted to the base currency first!!
*
*/
void calculateTotals( void );
/**
* Convert each value in the grid to the base currency
*
*/
void convertToBaseCurrency( void );
/**
* Convert each value in the grid to the account/category's deep currency
*
* See AccountDescriptor::deepCurrencyPrice() for a description of 'deep' currency
*
*/
void convertToDeepCurrency( void );
/**
* Turn month-long columns into larger time periods if needed
*
* For example, consider a row with these values:
* 01 02 03 04 05 06 07 08 09 10
*
* If the column pitch is 3 (i.e. quarterly), after calling this function,
* the row will look like this:
* 06 15 26 10
*/
void collapseColumns(void);
/**
* Determine the proper column headings based on the time periods covered by each column
*
*/
void calculateColumnHeadings(void);
/**
* Helper methods for collapseColumns
*
*/
void accumulateColumn(unsigned destcolumn, unsigned sourcecolumn);
void clearColumn(unsigned column);
/**
* Calculate the column of a given date. This is the absolute column in a
* hypothetical report that covers all of known time. In reality an actual
* report will be a subset of that.
*
* @param _date The date
*/
unsigned columnValue(const TQDate& _date) const;
/**
* Calculate the date of the last day covered by a given column.
*
* @param column The column
*/
TQDate columnDate(int column) const;
/**
* Returns the balance of a given cell. Throws an exception once calculateRunningSums() has been run.
*/
MyMoneyMoney cellBalance(const TQString& outergroup, const ReportAccount& _row, unsigned column, bool budget);
/**
* Draws a PivotGridRowSet in a chart for the given ERowType
*/
unsigned drawChartRowSet(unsigned rowNum, const bool seriesTotals, const bool accountSeries, KDChartTableData& data, const PivotGridRowSet& rowSet, const ERowType rowType ) const;
/**
* Loads m_rowTypeList with the list of PivotGridRow types that the reporttable
* should show
*/
void loadRowTypeList(void);
/**
* If not in expert mode, include all subaccounts for each selected
* investment account
*/
void includeInvestmentSubAccounts(void);
};
}
#endif
// PIVOTTABLE_H