Add saved grouping to the Group by menu

src/library/libraryfilterwidget.cpp

@@ -118,6 +118,22 @@ LibraryFilterWidget::LibraryFilterWidget(QWidget* parent)
 
 LibraryFilterWidget::~LibraryFilterWidget() { delete ui_; }
 
+void LibraryFilterWidget::UpdateGroupByActions() {
+  if (group_by_group_) {
+    disconnect(group_by_group_,0,0,0);
+    delete group_by_group_;
+  }
+
+  group_by_group_ = CreateGroupByActions(this);
+  group_by_menu_->clear();
+  group_by_menu_->addActions(group_by_group_->actions());
+  connect(group_by_group_, SIGNAL(triggered(QAction*)),
+          SLOT(GroupByClicked(QAction*)));
+  if (model_) {
+    CheckCurrentGrouping(model_->GetGroupBy());
+  }
+}
+
 QActionGroup* LibraryFilterWidget::CreateGroupByActions(QObject* parent) {
   QActionGroup* ret = new QActionGroup(parent);
   ret->addAction(CreateGroupByAction(
@@ -188,6 +204,7 @@ void LibraryFilterWidget::SaveGroupBy() {
       QInputDialog::getText(this, tr("Grouping Name"), tr("Grouping name:"));
   if (!text.isEmpty() && model_) {
     model_->SaveGrouping(text);
+    UpdateGroupByActions();
   }
 }
 
@@ -253,6 +270,10 @@ void LibraryFilterWidget::GroupingChanged(const LibraryModel::Grouping& g) {
   }
 
   // Now make sure the correct action is checked
+  CheckCurrentGrouping(g);
+}
+
+void LibraryFilterWidget::CheckCurrentGrouping(const LibraryModel::Grouping& g) {
   for (QAction* action : group_by_group_->actions()) {
     if (action->property("group_by").isNull()) continue;
 

src/library/libraryfilterwidget.h

@@ -51,6 +51,7 @@ class LibraryFilterWidget : public QWidget {
 
   static QActionGroup* CreateGroupByActions(QObject* parent);
 
+  void UpdateGroupByActions();
   void SetFilterHint(const QString& hint);
   void SetApplyFilterToLibrary(bool filter_applies_to_model) {
     filter_applies_to_model_ = filter_applies_to_model;
@@ -92,6 +93,7 @@ signals:
  private:
   static QAction* CreateGroupByAction(const QString& text, QObject* parent,
                                       const LibraryModel::Grouping& grouping);
+  void CheckCurrentGrouping(const LibraryModel::Grouping& g);
 
  private:
   Ui_LibraryFilterWidget* ui_;

src/library/librarymodel.h

@@ -183,6 +183,7 @@ signals:
   void SetFilterQueryMode(QueryOptions::QueryMode query_mode);
 
   void SetGroupBy(const LibraryModel::Grouping& g);
+  const LibraryModel::Grouping& GetGroupBy() const { return group_by_; }
   void Init(bool async = true);
   void Reset();
   void ResetAsync();