Rivendellaudio/lib/rdlibrarymodel.h
Fred Gleason 37f9559c37 2022-02-28 Fred Gleason <fredg@paravelsystems.com>
* Updated 'RDCartDialog' to eliminate superfluous SQL filter updates.
	* Updated 'RDCutDialog' to eliminate superfluous SQL filter updates.
	* Updated rdlibrary(1) to eliminate superfluous SQL filter updates.
	* Updated rdlogedit(1) to eliminate superfluous SQL filter updates.

Signed-off-by: Fred Gleason <fredg@paravelsystems.com>
2022-02-28 13:25:41 -05:00

114 lines
3.6 KiB
C++

// rdlibrarymodel.h
//
// Data model for the Rivendell cart library
//
// (C) Copyright 2021 Fred Gleason <fredg@paravelsystems.com>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2 as
// published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public
// License along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
#ifndef RDLIBRARYMODEL_H
#define RDLIBRARYMODEL_H
#include <QAbstractItemModel>
#include <QFont>
#include <QFontMetrics>
#include <QList>
#include <QMap>
#include <QPalette>
#include <rdcart.h>
#include <rddb.h>
#include <rdnotification.h>
class RDLibraryModel : public QAbstractItemModel
{
Q_OBJECT
public:
RDLibraryModel(QObject *parent=0);
~RDLibraryModel();
QPalette palette();
void setPalette(const QPalette &pal);
void setFont(const QFont &font);
QModelIndex index(int row,int col,
const QModelIndex &parent=QModelIndex()) const;
QModelIndex parent(const QModelIndex &index) const;
int columnCount(const QModelIndex &parent=QModelIndex()) const;
int rowCount(const QModelIndex &parent=QModelIndex()) const;
bool hasChildren(const QModelIndex &parent=QModelIndex()) const;
Qt::ItemFlags flags(const QModelIndex &index) const;
QVariant headerData(int section,Qt::Orientation orient,
int role=Qt::DisplayRole) const;
QVariant data(const QModelIndex &index,int role=Qt::DisplayRole) const;
void sort(int col,Qt::SortOrder order=Qt::AscendingOrder);
bool isCart(const QModelIndex &index) const;
bool isCut(const QModelIndex &index) const;
unsigned cartNumber(const QModelIndex &index) const;
QModelIndex cartRow(unsigned cartnum) const;
QModelIndex cutRow(const QString &cutname) const;
RDCart::Type cartType(const QModelIndex &index) const;
QString cutName(const QModelIndex &index) const;
QString cartOwnedBy(const QModelIndex &index);
QModelIndex addCart(unsigned cartnum);
void removeCart(const QModelIndex &index);
void removeCart(unsigned cartnum);
void refreshRow(const QModelIndex &index);
void refreshCart(unsigned cartnum);
bool showNotes() const;
int cartLimit() const;
signals:
void rowCountChanged(int rows);
public slots:
void setShowNotes(int state);
void setFilterSql(const QString &sql,int cart_limit);
protected:
void updateModel(const QString &filter_sql);
void updateCartLine(int cartline);
void updateRow(int row,RDSqlQuery *q);
QString sqlFields() const;
private:
QByteArray DumpIndex(const QModelIndex &index,const QString &caption="") const;
bool d_show_notes;
QString d_filter_sql;
int d_cart_limit;
int d_sort_column;
Qt::SortOrder d_sort_order;
QPalette d_palette;
QFont d_font;
QFontMetrics *d_font_metrics;
QFont d_bold_font;
QFontMetrics *d_bold_font_metrics;
QList<QVariant> d_headers;
QStringList d_order_columns;
QMap<Qt::SortOrder,QString> d_sort_clauses;
QList<QList<QVariant> > d_texts;
QList<QList<QVariant> > d_icons;
QList<QVariant> d_notes;
QList<QList<QList<QVariant> > > d_cut_texts;
QList<QStringList> d_cut_cutnames;
QList<QVariant> d_alignments;
QList<QVariant> d_background_colors;
QList<unsigned> d_cart_numbers;
QList<RDCart::Type> d_cart_types;
QMap<QString,QVariant> d_group_colors;
bool d_filter_set;
};
#endif // RDLIBRARYMODEL_H