[packagechooser] Update other parts of the window on selection

src/modules/packagechooser/PackageChooserPage.cpp

@@ -28,29 +28,51 @@
 PackageChooserPage::PackageChooserPage( QWidget* parent )
     : QWidget( parent )
     , ui( new Ui::PackageChooserPage )
+    , m_introduction( QString(),
+                      QString(),
+                      tr( "Package Selection" ),
+                      tr( "Please pick a product from the list. The selected product will be installed." ) )
 {
     ui->setupUi( this );
     CALAMARES_RETRANSLATE( updateLabels(); )
 }
 
 void
-PackageChooserPage::updateLabels()
+PackageChooserPage::currentChanged( const QModelIndex& index )
 {
-    ui->productName->setText( QString() );
-    ui->productScreenshot->hide();
-    ui->productDescription->setText( tr( "Please pick a product from the list." ) );
+    if ( !index.isValid() || !ui->products->selectionModel()->hasSelection() )
+    {
+        ui->productName->setText( m_introduction.name );
+        ui->productScreenshot->setPixmap( m_introduction.screenshot );
+        ui->productDescription->setText( m_introduction.description );
+    }
+    else
+    {
+        ui->productName->setText( QString::number( index.row() ) );
+        ui->productScreenshot->hide();
+        ui->productDescription->setText( "derp" );
+    }
 }
 
 void
-PackageChooserPage::setModel( QAbstractItemModel* model )
+PackageChooserPage::updateLabels()
 {
-    ui->products->setModel( model );
+    if ( ui && ui->products && ui->products->selectionModel() )
+    {
+        currentChanged( ui->products->selectionModel()->currentIndex() );
+    }
+    else
+    {
+        currentChanged( QModelIndex() );
+    }
 }
 
 void
-PackageChooserPage::currentChanged( const QModelIndex& current )
+PackageChooserPage::setModel( QAbstractItemModel* model )
 {
-    updateLabels();
-    cDebug() << "Current updated to" << current.row();
-    cDebug() << ui->products->model()->data( current, Qt::DisplayRole );
+    ui->products->setModel( model );
+    connect( ui->products->selectionModel(),
+             &QItemSelectionModel::selectionChanged,
+             this,
+             &PackageChooserPage::updateLabels );
 }

src/modules/packagechooser/PackageChooserPage.h

@@ -19,6 +19,8 @@
 #ifndef PACKAGECHOOSERPAGE_H
 #define PACKAGECHOOSERPAGE_H
 
+#include "PackageModel.h"
+
 #include <QAbstractItemModel>
 #include <QWidget>
 
@@ -36,11 +38,12 @@ public:
     void setModel( QAbstractItemModel* model );
 
 public slots:
+    void currentChanged( const QModelIndex& index );
     void updateLabels();
-    void currentChanged( const QModelIndex& current );
 
 private:
     Ui::PackageChooserPage* ui;
+    PackageItem m_introduction;
 };
 
 #endif  // PACKAGECHOOSERPAGE_H

src/modules/packagechooser/PackageModel.cpp

@@ -73,7 +73,6 @@ PackageListModel::rowCount( const QModelIndex& index ) const
 QVariant
 PackageListModel::data( const QModelIndex& index, int role ) const
 {
-    cDebug() << "Data" << m_packages.count() << index.isValid() << ( index.isValid() ? index.row() : -1 );
     if ( !index.isValid() )
     {
         return QVariant();

src/modules/packagechooser/PackageModel.h

@@ -21,6 +21,7 @@
 
 #include <QAbstractListModel>
 #include <QObject>
+#include <QPixmap>
 #include <QVector>
 
 struct PackageItem
@@ -32,9 +33,15 @@ struct PackageItem
     QString name;
     QString description;
     // TODO: may be more than one
-    // QPixmap screenshot;
+    QPixmap screenshot;
 
+    /// @brief Create blank PackageItem
     PackageItem();
+    /** @brief Creates a PackageItem from given strings
+     *
+     * This constructor sets all the text members,
+     * but leaves the screenshot blank. Set that separately.
+     */
     PackageItem( const QString& id, const QString& package, const QString& name, const QString& description );
 
     // TODO: implement this