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#ifndef CASHFLOW_H
#define CASHFLOW_H
#include <QMainWindow>
#include <QTableWidget>
#include <QDate>
#include <QtCharts/QChartView>
#include <QtCharts/QLineSeries>
#include <QtCharts/QChart>
#include <QtCharts/QDateTimeAxis>
#include <QtCharts/QValueAxis>
#include "database.h"
#include "transaction.h"
QT_BEGIN_NAMESPACE
namespace Ui { class CashFlow; }
QT_END_NAMESPACE
class CashFlow : public QMainWindow
{
Q_OBJECT
public:
CashFlow(QWidget *parent = nullptr);
~CashFlow();
protected:
void keyPressEvent(QKeyEvent *event) override;
bool eventFilter(QObject *watched, QEvent *event) override;
private slots:
void onDateRangeChanged();
void onTransactionSelected();
void onSaveTransaction();
void onNewTransaction();
void onDeleteTransaction();
void onRecurringSelected();
void onSaveRecurring();
void onNewRecurring();
void onDeleteRecurring();
void onPeriodChanged();
void onNewFile();
void onOpenFile();
void onSaveAs();
void onExportCSV();
void onQuit();
void onPreferences();
void onRecurringRuleChanged();
void onTransactionDateChanged();
void onCreateAdjustment();
void onSearchTextChanged();
void onCollapseAll();
void onExpandAll();
void onJumpToToday();
void onTransactionTableDoubleClicked(int row, int column);
private:
enum PeriodType {
Daily,
Weekly,
Monthly,
Quarterly
};
Ui::CashFlow *ui;
Database *database;
int currentTransactionId;
int currentRecurringId;
double startingBalance;
QFont currentAmountFont;
int weekStartDay;
QString currentFilePath;
QMap<PeriodType, QSet<int>> collapsedPeriods; // Track which period end rows are collapsed per period type
QChartView *chartView;
QChart *chart;
void setupConnections();
void refreshView();
void refreshTransactionTable();
void refreshRecurringTable();
void refreshCharts();
void calculateAndDisplayBalance();
QList<Transaction> getAllTransactionsInRange();
void clearTransactionEntry();
void loadTransactionToEntry(const Transaction &t);
void clearRecurringEntry();
void loadRecurringToEntry(const RecurringRule &r);
QDate getPeriodEnd(const QDate &date, PeriodType periodType);
QDate getPeriodStart(const QDate &date, PeriodType periodType);
QString getPeriodLabel(const QDate &date, PeriodType periodType, int count);
void insertPeriodEndRow(const QString &label, double balance, const QMap<QString, double> &accountBalances, int periodId);
void updateAmountColors();
void loadSettings();
QString formatCurrency(double amount) const;
double calculateBalanceUpTo(const QDate &date, const QString &account);
void recalculateAllReconciliations();
bool openDatabase(const QString &filePath);
void populateRecurringRulesCombo();
void updateOccurrenceKey();
QString generateOccurrenceKey(const QDate &date, RecurrenceFrequency frequency) const;
void jumpToDateInTable(const QDate &date);
};
#endif // CASHFLOW_H
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