Add tag sorting (based on counts) to the tag view

src/mainwindow.cpp

@@ -30,6 +30,7 @@
 #include <QDockWidget>
 #include <QQuickItem>
 #include <QFileDialog>
+#include <QSortFilterProxyModel>
 
 #include <kactioncollection.h>
 #include <KStandardAction>
@@ -74,6 +75,7 @@ DanbooruMainWindow::DanbooruMainWindow(QWidget *parent)
       m_connectWidget(Q_NULLPTR),
       m_searchWidget(new DanbooruSearchWidget(this)),
       m_tagWidget(new DanbooruTagWidget(this)),
+      m_proxyModel(new QSortFilterProxyModel(this)),
       m_tableView(new QTableView(this)),
       m_cache(Q_NULLPTR)
 {
@@ -89,8 +91,14 @@ DanbooruMainWindow::DanbooruMainWindow(QWidget *parent)
 
     m_cache = new KImageCache(qApp->applicationName(), DanbooruSettings::self()->cacheSize());
     m_service->setImageCache(m_cache);
+
+    m_proxyModel->setSortRole(DanbooruTagModel::TagCountRole);
+    m_proxyModel->setSourceModel(m_tagModel);
+    m_proxyModel->setDynamicSortFilter(true);
+
     m_tableView->setModel(m_poolModel);
-    m_tagWidget->setModel(m_tagModel);
+    m_tagWidget->setModel(m_proxyModel);
+
 
     // Set up declarative bindings for the QQuickWidget
 
@@ -183,6 +191,18 @@ DanbooruMainWindow::DanbooruMainWindow(QWidget *parent)
         searchDockWidget->hide();
     });
 
+    connect(m_service, &DanbooruService::postDownloadFinished, [this]() {
+
+        if (m_tagModel->rowCount() == 0) {
+            // Only get tags if we don't have any already
+            for (auto tag: m_model->postTags()) {
+                m_service->getTagList(1, tag);
+            }
+        }
+        m_proxyModel->sort(0, Qt::DescendingOrder);
+
+    });
+
     connect(m_view->rootObject(), SIGNAL(downloadRequested(const QUrl&)), this,
             SLOT(slotHandleDownload(const QUrl&)));
 
@@ -375,17 +395,6 @@ void DanbooruMainWindow::setupDockWidgets() {
         qobject_cast<KDualAction*>(actionCollection()->action(QLatin1String("tags")))->setActive(visible);
     });
 
-    connect(m_service, &DanbooruService::postDownloadFinished, [this]() {
-
-        if (m_tagModel->rowCount() == 0) {
-            // Only get tags if we don't have any already
-            for (auto tag: m_model->postTags()) {
-                m_service->getTagList(1, tag);
-            }
-        }
-
-    });
-
 }
 
 void DanbooruMainWindow::connectToBoard()

src/mainwindow.h

@@ -35,6 +35,7 @@
 
 
 class QQuickWidget;
+class QSortFilterProxyModel;
 
 
 namespace Danbooru
@@ -70,6 +71,8 @@ private:
     DanbooruConnectWidget *m_connectWidget;
     DanbooruSearchWidget *m_searchWidget;
     DanbooruTagWidget *m_tagWidget;
+    QSortFilterProxyModel *m_proxyModel;
+
     QTableView *m_tableView;
     KImageCache *m_cache;
     static QHash<int, DanbooruPost::Rating> ratingMap;