2021-01-22 Fred Gleason <fredg@paravelsystems.com>

* Added 'RDStationListModel' class
	* Refactored the 'List Hosts' dialog in rdadmin(1) to use the
	model-based API.

Signed-off-by: Fred Gleason <fredg@paravelsystems.com>

lib/rdstationlistmodel.h

@@ -0,0 +1,79 @@
+// rdstationlistmodel.h
+//
+// Data model for Rivendell hosts
+//
+//   (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 RDSTATIONLISTMODEL_H
+#define RDSTATIONLISTMODEL_H
+
+#include <QAbstractTableModel>
+#include <QFont>
+#include <QList>
+#include <QPalette>
+
+#include <rddb.h>
+#include <rdnotification.h>
+#include <rduser.h>
+
+//
+// MAINTAINERS NOTE
+//
+// We could arguably just use a QSqlQueryModel for this, but rolling our own
+// lets us use the same backend-facing API pattern as the other Rivendell
+// models.
+//
+class RDStationListModel : public QAbstractTableModel
+{
+  Q_OBJECT
+ public:
+  RDStationListModel(QObject *parent=0);
+  ~RDStationListModel();
+  QPalette palette();
+  void setPalette(const QPalette &pal);
+  void setFont(const QFont &font);
+  int columnCount(const QModelIndex &parent=QModelIndex()) const;
+  int rowCount(const QModelIndex &parent=QModelIndex()) const;
+  QVariant headerData(int section,Qt::Orientation orient,
+		      int role=Qt::DisplayRole) const;
+  QVariant data(const QModelIndex &index,int role=Qt::DisplayRole) const;
+  QString stationName(const QModelIndex &row) const;
+  QModelIndex addStation(const QString &hostname);
+  void removeStation(const QModelIndex &row);
+  void removeStation(const QString &hostname);
+  void refresh(const QModelIndex &row);
+  void refresh(const QString &username);
+
+ protected:
+  void updateModel();
+  void updateRowLine(int line);
+  void updateRow(int row,RDSqlQuery *q);
+  QString sqlFields() const;
+
+ private:
+  QPalette d_palette;
+  QFont d_font;
+  QFont d_bold_font;
+  QStringList d_service_names;
+  QList<QVariant> d_headers;
+  QList<QVariant> d_alignments;
+  QList<QList<QVariant> > d_texts;
+  QList<QList<QVariant> > d_icons;
+};
+
+
+#endif  // RDSTATIONLISTMODEL_H