Fully dynamic sorting.

resources/text/CHANGELOG

@@ -13,6 +13,7 @@ Fixed:
 
 Changed:
 
+▪ Sorting of both views (feeds/messages) is now fully dynamic.
 ▪ Tweaked "remove duplicates" policy.
 ▪ TT-RSS plugin can now restore messages from local recycle bin.
 

src/core/feedsmodel.cpp

@@ -177,7 +177,6 @@ void FeedsModel::onFeedUpdatesFinished(const FeedDownloadResults &results) {
   }
 
   emit feedsUpdateFinished();
-  //emit sortingRequired();
 }
 
 void FeedsModel::updateAllFeeds() {

src/core/feedsmodel.h

@@ -211,9 +211,6 @@ class FeedsModel : public QAbstractItemModel {
     // NOTE: View will probably expand dropped index.
     void requireItemValidationAfterDragDrop(const QModelIndex &source_index);
 
-    // When emitted, view (re)sorts items.
-    void sortingRequired();
-
   private:
     RootItem *m_rootItem;
     QList<QString> m_headerData;

src/core/messagesproxymodel.cpp

@@ -179,6 +179,10 @@ QModelIndexList MessagesProxyModel::match(const QModelIndex &start, int role,
   return result;
 }
 
+void MessagesProxyModel::sort(int column, Qt::SortOrder order) {
+  QSortFilterProxyModel::sort(column, order);
+}
+
 QModelIndexList MessagesProxyModel::mapListToSource(const QModelIndexList &indexes) const {
   QModelIndexList source_indexes;
 

src/core/messagesproxymodel.h

@@ -45,6 +45,8 @@ class MessagesProxyModel : public QSortFilterProxyModel {
     // Fix for matching indexes with respect to specifics of the message model.
     QModelIndexList match(const QModelIndex &start, int role, const QVariant &entered_value, int hits, Qt::MatchFlags flags) const;
 
+    void sort(int column, Qt::SortOrder order = Qt::AscendingOrder);
+
   private:
     QModelIndex getNextUnreadItemIndex(int default_row, int max_row) const;
 

src/gui/feedsview.cpp

@@ -58,7 +58,6 @@ FeedsView::FeedsView(QWidget *parent)
   connect(m_sourceModel, SIGNAL(requireItemValidationAfterDragDrop(QModelIndex)), this, SLOT(validateItemAfterDragDrop(QModelIndex)));
   connect(m_sourceModel, SIGNAL(itemExpandRequested(QList<RootItem*>,bool)), this, SLOT(onItemExpandRequested(QList<RootItem*>,bool)));
   connect(m_sourceModel, SIGNAL(itemExpandStateSaveRequested(RootItem*)), this, SLOT(onItemExpandStateSaveRequested(RootItem*)));
-  connect(m_sourceModel, SIGNAL(sortingRequired()), this, SLOT(reSort()));
   connect(header(), SIGNAL(sortIndicatorChanged(int,Qt::SortOrder)), this, SLOT(saveSortState(int,Qt::SortOrder)));
 
   setModel(m_proxyModel);
@@ -134,27 +133,20 @@ void FeedsView::loadAllExpandStates() {
                 settings->value(GROUP(CategoriesExpandStates), setting_name, item->childCount() > 0).toBool());
   }
 
-  sort(true);
+  sortByColumn(qApp->settings()->value(GROUP(GUI), SETTING(GUI::DefaultSortColumnFeeds)).toInt(),
+               static_cast<Qt::SortOrder>(qApp->settings()->value(GROUP(GUI), SETTING(GUI::DefaultSortOrderFeeds)).toInt()));
 }
 
-void FeedsView::sort(bool from_settings) {
-  int column;
-  Qt::SortOrder order;
+void FeedsView::sortByColumn(int column, Qt::SortOrder order) {
+  const int old_column = header()->sortIndicatorSection();
+  const Qt::SortOrder old_order = header()->sortIndicatorOrder();
 
-  if (from_settings) {
-    column = qApp->settings()->value(GROUP(GUI), SETTING(GUI::DefaultSortColumnFeeds)).toInt();
-    order = static_cast<Qt::SortOrder>(qApp->settings()->value(GROUP(GUI), SETTING(GUI::DefaultSortOrderFeeds)).toInt());
+  if (column == old_column && order == old_order) {
+    m_proxyModel->sort(column, order);
   }
   else {
-    column = header()->sortIndicatorSection();
-    order = header()->sortIndicatorOrder();
+    QTreeView::sortByColumn(column, order);
   }
-
-  sortByColumn(column, order);
-}
-
-void FeedsView::reSort() {
-  m_proxyModel->sort(header()->sortIndicatorSection(), header()->sortIndicatorOrder());
 }
 
 void FeedsView::addFeedIntoSelectedAccount() {

src/gui/feedsview.h

@@ -60,10 +60,8 @@ class FeedsView : public QTreeView {
     void saveAllExpandStates();
     void loadAllExpandStates();
 
-  public slots:
-    // Sorts according to column/order taken from settings.
-    void sort(bool from_settings);
-    void reSort();
+  public slots:   
+    void sortByColumn(int column, Qt::SortOrder order);
 
     void addFeedIntoSelectedAccount();
     void addCategoryIntoSelectedAccount();

src/gui/messagesview.cpp

@@ -245,6 +245,18 @@ void MessagesView::loadItem(RootItem *item) {
 #endif
 }
 
+void MessagesView::sortByColumn(int column, Qt::SortOrder order) {
+  const int old_column = header()->sortIndicatorSection();
+  const Qt::SortOrder old_order = header()->sortIndicatorOrder();
+
+  if (column == old_column && order == old_order) {
+    m_proxyModel->sort(column, order);
+  }
+  else {
+    QTreeView::sortByColumn(column, order);
+  }
+}
+
 void MessagesView::openSelectedSourceMessagesExternally() {
   foreach (const QModelIndex &index, selectionModel()->selectedRows()) {
     const QString link = m_sourceModel->messageAt(m_proxyModel->mapToSource(index).row()).m_url;

src/gui/messagesview.h

@@ -59,6 +59,8 @@ class MessagesView : public QTreeView {
     // Loads un-deleted messages from selected feeds.
     void loadItem(RootItem *item);
 
+    void sortByColumn(int column, Qt::SortOrder order);
+
     // Message manipulators.
     void openSelectedSourceMessagesExternally();
     void openSelectedSourceMessagesInternally();