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/*
* dbeditor.h
*
* (c) 2002-2004,2008-2010 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 dbeditor.h
* Header file for DBEditor
*/
#ifndef DBEDITOR_H
#define DBEDITOR_H
#include <mk4.h>
#include <QMap>
#include <QStringList>
#include "pbdialog.h"
class CalcNode;
class ColumnEditor;
class Database;
class QLabel;
class QStackedWidget;
class QTreeWidget;
typedef QMap<QString,CalcNode*> NameCalcMap;
typedef QMap<QString,int> NameDecimalsMap;
/**
* "Columns Editor" dialog for editing the format of a %PortaBase database.
* Shows all of the currently defined columns, and shows buttons for adding,
* editing, deleting, and reordering the database columns.
*/
class DBEditor: public PBDialog
{
Q_OBJECT
public:
DBEditor(QWidget *parent = 0);
~DBEditor();
int edit(Database *subject);
void applyChanges();
QStringList columnNames();
int *columnTypes();
protected:
void resizeEvent(QResizeEvent *event);
private:
void updateTable();
QString getTypeString(int type);
bool isValidName(const QString &colName);
bool isValidDefault(int type, const QString &defaultVal);
void selectRow(const QString &colName);
void renameColumnRefs(const QString &oldName, const QString &newName);
void deleteColumnRefs(const QString &name);
private slots:
void addColumn();
void editColumn();
void deleteColumn();
void moveUp();
void moveDown();
private:
ColumnEditor *columnEditor; /**< The subdialog for adding or editing columns */
Database *db; /**< The database being edited */
QStackedWidget *stack; /**< Main widget stack (data display and "no columns" label) */
QTreeWidget *table; /**< The display of the column definition data */
QLabel *noColumns; /**< "No columns" placeholder label */
QStringList originalCols; /**< The list of columns that existed when the dialog was launched */
QStringList deletedCols; /**< The list of columns that have been marked for deletion */
QStringList renamedCols; /**< The current names of all the original columns (including ones already marked for deletion) */
NameCalcMap calcMap; /**< Mapping from column names to calculation root nodes */
NameDecimalsMap decimalsMap; /**< Mapping from column names to calculation display decimal places */
c4_View info; /**< In-memory table of column definition data */
c4_StringProp ceName; /**< The column name field */
c4_IntProp ceType; /**< The column type field */
c4_StringProp ceDefault; /**< The column default value field */
c4_IntProp ceOldIndex; /**< Field for the original column position index */
c4_IntProp ceNewIndex; /**< Field for the current column position index */
bool resized; /**< True if the dialog has already been set to its initial size, false otherwise */
};
#endif
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