[packagechooser] Load translated strings as well

- This makes it possible to put the translations into the config
   file, and have them displayed when the Calamares language changes.

src/modules/packagechooser/PackageChooserViewStep.cpp

@@ -232,31 +232,7 @@ PackageChooserViewStep::fillModel( const QVariantList& items )
             continue;
         }
 
-        QString id = CalamaresUtils::getString( item_map, "id" );
+        m_model->addPackage( PackageItem( item_map ) );
-        QString package = CalamaresUtils::getString( item_map, "package" );
-        QString name = CalamaresUtils::getString( item_map, "name" );
-        QString description = CalamaresUtils::getString( item_map, "description" );
-        QString screenshot = CalamaresUtils::getString( item_map, "screenshot" );
-
-        if ( name.isEmpty() && id.isEmpty() )
-        {
-            name = tr( "No product" );
-        }
-        else if ( name.isEmpty() )
-        {
-            cWarning() << "PackageChooser item" << id << "has an empty name.";
-            continue;
-        }
-        if ( description.isEmpty() )
-        {
-            description = tr( "No description provided." );
-        }
-        if ( screenshot.isEmpty() )
-        {
-            screenshot = QStringLiteral( ":/images/no-selection.png" );
-        }
-
-        m_model->addPackage( PackageItem { id, package, name, description, screenshot } );
     }
 }
 

src/modules/packagechooser/PackageModel.cpp

@@ -19,6 +19,7 @@
 #include "PackageModel.h"
 
 #include "utils/Logger.h"
+#include "utils/Variant.h"
 
 const NamedEnumTable< PackageChooserMode >&
 roleNames()
@@ -73,6 +74,31 @@ PackageItem::PackageItem( const QString& a_id,
 {
 }
 
+PackageItem::PackageItem::PackageItem( const QVariantMap& item_map )
+    : id( CalamaresUtils::getString( item_map, "id" ) )
+    , package( CalamaresUtils::getString( item_map, "package" ) )
+    , name( CalamaresUtils::Locale::TranslatedString( item_map, "name" ) )
+    , description( CalamaresUtils::Locale::TranslatedString( item_map, "description" ) )
+    , screenshot( CalamaresUtils::getString( item_map, "screenshot" ) )
+{
+    if ( name.isEmpty() && id.isEmpty() )
+    {
+        name = QObject::tr( "No product" );
+    }
+    else if ( name.isEmpty() )
+    {
+        cWarning() << "PackageChooser item" << id << "has an empty name.";
+    }
+    if ( description.isEmpty() )
+    {
+        description = QObject::tr( "No description provided." );
+    }
+    if ( screenshot.isNull() )
+    {
+        screenshot = QPixmap( QStringLiteral( ":/images/no-selection.png" ) );
+    }
+}
+
 
 PackageListModel::PackageListModel( QObject* parent )
     : QAbstractListModel( parent )
@@ -90,10 +116,14 @@ PackageListModel::~PackageListModel() {}
 void
 PackageListModel::addPackage( PackageItem&& p )
 {
+    // Only add valid packages
+    if ( !p.name.isEmpty() )
+    {
         int c = m_packages.count();
         beginInsertRows( QModelIndex(), c, c );
         m_packages.append( p );
         endInsertRows();
+    }
 }
 
 int

src/modules/packagechooser/PackageModel.h

@@ -56,12 +56,26 @@ struct PackageItem
      */
     PackageItem( const QString& id, const QString& package, const QString& name, const QString& description );
 
+    /** @brief Creates a PackageItem from given strings.
+     *
+     * Set all the text members and load the screenshot from the given
+     * @p screenshotPath, which may be a QRC path (:/path/in/qrc) or
+     * a filesystem path, whatever QPixmap understands.
+     */
     PackageItem( const QString& id,
                  const QString& package,
                  const QString& name,
                  const QString& description,
                  const QString& screenshotPath );
 
+    /** @brief Creates a PackageItem from a QVariantMap
+     *
+     * This is intended for use when loading PackageItems from a
+     * configuration map. It will look up the various keys in the map
+     * and handle translation strings as well.
+     */
+    PackageItem( const QVariantMap& map );
+
     // TODO: implement this
     PackageItem fromAppStream( const QString& filename );
 };
@@ -75,6 +89,10 @@ public:
     PackageListModel( QObject* parent );
     virtual ~PackageListModel() override;
 
+    /** @brief Add a package @p to the model
+     *
+     * Only valid packages are added -- that is, they must have a name.
+     */
     void addPackage( PackageItem&& p );
 
     int rowCount( const QModelIndex& index ) const override;