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/*
* view.h
*
* (c) 2002-2004,2009-2011 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 view.h
* Header file for View
*/
#ifndef VIEW_H
#define VIEW_H
#include <mk4.h>
#include <QImage>
#include <QModelIndex>
#include <QObject>
#include <QStringList>
#include "datatypes.h"
class Database;
/**
* Representation of a view in the database (a data table using a subset of
* the available data fields, shown in a particular order).
*/
class View : public QObject
{
Q_OBJECT
public:
View(const QString &name, Database *parent, c4_View baseview,
const QStringList &colNames, int *types, int *widths,
const QStringList &colIds, const QStringList &stringColIds, int rpp);
~View();
QString getName();
QStringList getColNames();
int *getColTypes();
int getColWidth(int index);
void setColWidth(int index, int width);
void saveColWidths();
int getRowsPerPage();
void setRowsPerPage(int rpp);
void setPagination(int firstRow, int rowCount, int omit=-1);
QStringList getRow(int index);
int getId(int index);
int getIndex(int rowId);
void toggleSort(int colIndex);
void sort(const QString &sortingName);
void prepareData();
QStringList getStatistics(int colIndex);
QString getImageFormat(int rowId, int colIndex);
QImage getImage(int rowId, int colIndex);
void deleteAllRows();
void exportToCSV(const QString &filename);
void exportToHTML(const QString &filename);
void exportToXML(const QString &filename);
void copyStateFrom(View *otherView);
int totalRowCount();
// used by DataModel; QAbstractTableModel interface
int rowCount(const QModelIndex &parent=QModelIndex()) const;
int columnCount(const QModelIndex &parent=QModelIndex()) const;
QVariant headerData(int section, Qt::Orientation orientation, int role=Qt::DisplayRole) const;
QVariant data(const QModelIndex &index, int role=Qt::DisplayRole) const;
private:
QString viewName; /**< The name of this view */
Database *db; /**< The database this view belongs to */
c4_View dbview; /**< The underlying Metakit data view, with filtering and sorting applied */
c4_IntProp Id; /**< Metakit record ID field identifier */
QStringList columns; /**< Ordered list of names for fields included in the view */
int *dataTypes; /**< Ordered array of field data types */
int *colWidths; /**< Ordered array of field display widths (in pixels) */
QList<QByteArray> ids; /**< Ordered list of Metakit data field identifiers */
QList<QByteArray> scIds; /**< Ordered list of alternate string form field identifiers */
int rowsPerPage; /**< The maximum number of records to show per page of data */
int sortColumn; /**< The index of the single column being sorted on, -1 if none */
Qt::SortOrder sortOrder; /**< Order of single-column sorting */
QString sortName; /**< The name of the sorting currently in use, if any */
int rowCnt; /**< The number of rows currently in the view, cached for performance */
int colCnt; /**< The number of columns currently in the view, cached for performance */
int pageRowCnt; /**< The number of rows in the current display page, cached for performance */
int pageFirstRow; /**< The index of the first row in the current display page, cached for performance */
int omitRow; /**< Index of a row to temporarily ignore for model requests, -1 if none */
};
#endif
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