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2021-01-25 Fred Gleason <fredg@paravelsystems.com>

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* Added 'RDFeedListModel' class
	* Refactored the top-level window in rdcastmanager(1) to use the
	model-based API.

Signed-off-by: Fred Gleason <fredg@paravelsystems.com>
This commit is contained in:
Fred Gleason
2021-01-25 09:28:43 -05:00
parent be3fcfd4ef
commit 9d5d446c2a
24 changed files with 945 additions and 278 deletions
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lib/rdfeedlistmodel.h Normal file
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// rdfeedlistmodel.h
//
// Data model for Rivendell RSS feeds
//
// (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 RDFEEDLISTMODEL_H
#define RDFEEDLISTMODEL_H
#include <QAbstractItemModel>
#include <QFont>
#include <QFontMetrics>
#include <QList>
#include <QMap>
#include <QPalette>
#include <rdcart.h>
#include <rddb.h>
#include <rdnotification.h>
class RDFeedListModel : public QAbstractItemModel
{
Q_OBJECT
public:
RDFeedListModel(QObject *parent=0);
~RDFeedListModel();
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;
bool isFeed(const QModelIndex &index) const;
bool isCast(const QModelIndex &index) const;
QString keyName(const QModelIndex &index) const;
unsigned feedId(const QModelIndex &index) const;
QString publicUrl(const QModelIndex &index) const;
QModelIndex feedRow(const QString &keyname) const;
QModelIndex castRow(unsigned cast_id) const;
unsigned castId(const QModelIndex &index) const;
QString castOwnedBy(const QModelIndex &index);
QModelIndex addFeed(const QString &keyname);
void removeFeed(const QString &keyname);
void refreshRow(const QModelIndex &index);
void refreshFeed(const QString &keyname);
signals:
void rowCountChanged(int rows);
public slots:
void changeUser();
void processNotification(RDNotification *notify);
protected:
void updateModel(const QString &filter_sql);
void updateRowLine(int line);
void updateRow(int row,RDSqlQuery *q);
QString sqlFields() const;
private:
QByteArray DumpIndex(const QModelIndex &index,const QString &caption="") const;
QPalette d_palette;
QFont d_font;
QFontMetrics *d_font_metrics;
QFont d_bold_font;
QFontMetrics *d_bold_font_metrics;
QList<QVariant> d_headers;
QList<QList<QVariant> > d_texts;
QList<QList<QVariant> > d_icons;
QList<QList<QList<QVariant> > > d_cast_texts;
QList<QList<unsigned> > d_cast_ids;
QList<QList<QVariant> > d_cast_icons;
QList<QVariant> d_alignments;
QList<QVariant> d_background_colors;
QStringList d_key_names;
QList<unsigned> d_feed_ids;
};
#endif // RDFEEDLISTMODEL_H