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/*
* calceditor.h
*
* (c) 2003-2004,2008-2009 by Jeremy Bowman <jmbowman@alum.mit.edu>
*
* 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.
*/
/** @file calceditor.h
* Header file for CalcEditor
*/
#ifndef CALCEDITOR_H
#define CALCEDITOR_H
#include <QMap>
#include <QStringList>
#include "../pbdialog.h"
class CalcDateEditor;
class CalcNode;
class CalcNodeEditor;
class CalcTimeEditor;
class Database;
class QLineEdit;
class QPushButton;
class QSpinBox;
class QTreeWidget;
class QTreeWidgetItem;
typedef QMap<QTreeWidgetItem*,CalcNode*> NodeMap;
/**
* Dialog for editing the properties of a calculated column. Allows the
* user to specify the formula to be used, as well as the number of decimal
* places to use when displaying the results of the calculation.
*/
class CalcEditor: public PBDialog
{
Q_OBJECT
public:
CalcEditor(Database *dbase, const QString &calcName,
const QStringList &colNames, int *colTypes,
QWidget *parent = 0);
void load(CalcNode *root, int decimals);
CalcNode *getRootNode();
int getDecimals();
private slots:
void addNode();
void editNode();
void deleteNode();
void moveUp();
void moveDown();
void updateButtons();
private:
void updateEquation();
void addNode(QTreeWidgetItem *parent, CalcNode *node);
void removeFromMap(QTreeWidgetItem *item);
void swap(QTreeWidgetItem *top);
private:
Database *db; /**< The database being edited */
QLineEdit *equation; /**< Display for the calculation formula */
QSpinBox *decimalsBox; /**< Field for specifying the number of decimal places to show */
QTreeWidget *tree; /**< Tree display of the calculation components */
NodeMap nodeMap; /**< Mapping of display tree items to calculation nodes */
CalcNodeEditor *nodeEditor; /**< Sub-dialog for adding new nodes */
CalcNodeEditor *valueEditor; /**< Sub-dialog for editing nodes whose type can vary */
CalcDateEditor *dateEditor; /**< Sub-dialog for editing nodes which must be dates */
CalcTimeEditor *timeEditor; /**< Sub-dialog for editing nodes which must be times */
};
#endif
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