DataView: QTree -> QListView

GUI/View/Data/DatafilesSelector.cpp

@@ -69,7 +69,7 @@ DatafilesSelector::DatafilesSelector(StackedDataFrames* data_frames)
     , m_import2dData_action(new QAction(this))
     , m_rename_data_action(new QAction(this))
     , m_remove_data_action(new QAction(this))
-    , m_qview(new QTreeView(this))
+    , m_qview(new QListView(this))
     , m_qmodel(new DatafilesQModel(this))
     , m_editor(new DatafileEditor)
     , m_data_frames(data_frames)
@@ -116,9 +116,6 @@ DatafilesSelector::DatafilesSelector(StackedDataFrames* data_frames)
 
     // m_qview->setAttribute(Qt::WA_MacShowFocusRect, false); // TODO/Mac: needed?
     m_qview->setSelectionMode(QAbstractItemView::SingleSelection);
-    m_qview->setItemsExpandable(false);
-    m_qview->setRootIsDecorated(false);
-    m_qview->setHeaderHidden(true);
     m_qview->setContextMenuPolicy(Qt::CustomContextMenu);
     m_qview->setModel(m_qmodel);
 
@@ -135,17 +132,12 @@ DatafilesSelector::DatafilesSelector(StackedDataFrames* data_frames)
     });
     // TODO rm ??
 
-    connect(m_qview, &QTreeView::customContextMenuRequested, this,
+    connect(m_qview, &QListView::customContextMenuRequested, this,
             &DatafilesSelector::onContextMenuRequest);
 
-    connect(m_qmodel, &QAbstractItemModel::modelReset, [this] { m_qview->expandAll(); });
-
-    connect(m_qmodel, &QAbstractItemModel::rowsInserted, [this] { m_qview->expandAll(); });
-
     connect(m_qview->selectionModel(), &QItemSelectionModel::selectionChanged, this,
             &DatafilesSelector::onSelectionChanged);
 
-    m_qview->expandAll();
     updateActionEnabling();
 
     restoreSelection();

GUI/View/Data/DatafilesSelector.h

@@ -16,7 +16,7 @@
 #define BORNAGAIN_GUI_VIEW_DATA_DATAFILESSELECTOR_H
 
 #include <QModelIndex>
-#include <QTreeView>
+#include <QListView>
 #include <QWidget>
 
 class DatafileEditor;
@@ -62,7 +62,7 @@ private:
     QAction* m_rename_data_action;
     QAction* m_remove_data_action;
 
-    QTreeView* m_qview;
+    QListView* m_qview;
     DatafilesQModel* m_qmodel;
     DatafileEditor* m_editor;
     StackedDataFrames* m_data_frames;