[netinstall] Add a (stub) Config object

- Add initial definition of Config object, which will extract the model-
  setting and loading code from the page, and which is also prep-work
  for a QML version of this module.
- While here, remove superfluous code

src/modules/netinstall/CMakeLists.txt

@@ -2,6 +2,7 @@ calamares_add_plugin( netinstall
     TYPE viewmodule
     EXPORT_MACRO PLUGINDLLEXPORT_PRO
     SOURCES
+        Config.cpp
         NetInstallViewStep.cpp
         NetInstallPage.cpp
         PackageTreeItem.cpp

src/modules/netinstall/Config.cpp

@@ -0,0 +1,34 @@
+/*
+ *   Copyright 2016, Luca Giambonini <almack@chakraos.org>
+ *   Copyright 2016, Lisa Vitolo     <shainer@chakraos.org>
+ *   Copyright 2017, Kyle Robbertze  <krobbertze@gmail.com>
+ *   Copyright 2017-2018, 2020, Adriaan de Groot <groot@kde.org>
+ *   Copyright 2017, Gabriel Craciunescu <crazy@frugalware.org>
+ *
+ *   Calamares 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 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   Calamares 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 Calamares. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "Config.h"
+
+Config::Config( QObject* parent )
+    : m_model( nullptr )
+{
+}
+
+void
+Config::setStatus( const QString& s )
+{
+    m_status = s;
+    emit statusChanged( m_status );
+}

src/modules/netinstall/Config.h

@@ -0,0 +1,50 @@
+/*
+ *   Copyright 2016, Luca Giambonini <almack@chakraos.org>
+ *   Copyright 2016, Lisa Vitolo     <shainer@chakraos.org>
+ *   Copyright 2017, Kyle Robbertze  <krobbertze@gmail.com>
+ *   Copyright 2017-2018, 2020, Adriaan de Groot <groot@kde.org>
+ *
+ *   Calamares 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 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   Calamares 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 Calamares. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef NETINSTALL_CONFIG_H
+#define NETINSTALL_CONFIG_H
+
+#include "PackageModel.h"
+
+#include <QObject>
+
+class Config : public QObject
+{
+    Q_OBJECT
+
+    Q_PROPERTY( PackageModel* packageModel MEMBER m_model FINAL )
+
+    Q_PROPERTY( QString status READ status WRITE setStatus NOTIFY statusChanged FINAL )
+
+public:
+    Config( QObject* parent = nullptr );
+
+    QString status() const { return m_status; }
+    void setStatus( const QString& s );
+
+signals:
+    void statusChanged( QString status );
+
+private:
+    QString m_status;
+    PackageModel* m_model = nullptr;
+};
+
+#endif

src/modules/netinstall/PackageModel.cpp

@@ -1,7 +1,7 @@
 /* === This file is part of Calamares - <https://github.com/calamares> ===
  *
  *   Copyright (c) 2017, Kyle Robbertze <kyle@aims.ac.za>
- *   Copyright 2017-2018, Adriaan de Groot <groot@kde.org>
+ *   Copyright 2017-2018, 2020, Adriaan de Groot <groot@kde.org>
  *
  *   Calamares is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -214,12 +214,6 @@ PackageModel::getItemPackages( PackageTreeItem* item ) const
     return selectedPackages;
 }
 
-static bool
-getBool( const YAML::Node& itemDefinition, const char* key )
-{
-    return itemDefinition[ key ] ? CalamaresUtils::yamlToVariant( itemDefinition[ key ] ).toBool() : false;
-}
-
 void
 PackageModel::setupModelData( const QVariantList& groupList, PackageTreeItem* parent )
 {