provide reset button functionality

app/settings/dialogs/exporttemplatedialog.cpp

@@ -73,8 +73,6 @@ void ExportTemplateDialog::initButtons()
 {
     connect(m_ui->buttonBox->button(QDialogButtonBox::Cancel), &QPushButton::clicked,
             this, &ExportTemplateDialog::onCancel);
-    connect(m_ui->buttonBox->button(QDialogButtonBox::Reset), &QPushButton::clicked,
-            this, &ExportTemplateDialog::onCancel);
 }
 
 void ExportTemplateDialog::initExtractButton(const QString &tooltip)

app/settings/handlers/exporttemplatehandler.cpp

@@ -79,7 +79,7 @@ void ExportTemplateHandler::init()
     m_ui->appletsTable->horizontalHeader()->setStretchLastSection(true);
     m_ui->appletsTable->verticalHeader()->setVisible(false);
 
-    //! Layouts
+    //! Applets Model
     m_appletsProxyModel = new QSortFilterProxyModel(this);
     m_appletsProxyModel->setSourceModel(m_appletsModel);
     m_appletsProxyModel->setSortRole(Model::Applets::SORTINGROLE);
@@ -87,6 +87,10 @@ void ExportTemplateHandler::init()
     m_appletsProxyModel->sort(Model::Applets::NAMECOLUMN, Qt::AscendingOrder);
 
     m_ui->appletsTable->setModel(m_appletsProxyModel);
+
+    //! Reset
+    connect(m_ui->buttonBox->button(QDialogButtonBox::Reset), &QPushButton::clicked,
+            this, &ExportTemplateHandler::onReset);
 }
 
 void ExportTemplateHandler::initDefaults()
@@ -117,6 +121,12 @@ void ExportTemplateHandler::loadViewApplets(Latte::View *view)
     m_parentDialog->setWindowTitle(i18n("Export View Template"));
 }
 
+void ExportTemplateHandler::onReset()
+{
+    m_appletsModel->setSelected(o_data);
+    c_data = o_data;
+}
+
 bool ExportTemplateHandler::dataAreChanged() const
 {
     return o_data != c_data;

app/settings/handlers/exporttemplatehandler.h

@@ -85,6 +85,9 @@ private:
     void loadLayoutApplets(const QString &layoutName, const QString &layoutId);
     void loadViewApplets(Latte::View *view);
 
+private slots:
+    void onReset();
+
 private:
     Dialog::ExportTemplateDialog *m_parentDialog{nullptr};
     Ui::ExportTemplateDialog *m_ui{nullptr};

app/settings/models/appletsmodel.cpp

@@ -93,6 +93,21 @@ void Applets::setData(const Latte::Data::AppletsTable &applets)
     }
 }
 
+void Applets::setSelected(const Latte::Data::AppletsTable &applets)
+{
+    for(int i=0; i<applets.rowCount(); ++i) {
+        int pos = m_appletsTable.indexOf(applets[i].id);
+
+        if (pos>=0 && applets[i].isSelected != m_appletsTable[pos].isSelected) {
+            QVector<int> roles;
+            roles << Qt::CheckStateRole;
+
+            m_appletsTable[pos].isSelected = applets[i].isSelected;
+            emit dataChanged(index(pos, NAMECOLUMN), index(pos, NAMECOLUMN), roles);
+        }
+    }
+}
+
 Qt::ItemFlags Applets::flags(const QModelIndex &index) const
 {
     const int column = index.column();

app/settings/models/appletsmodel.h

@@ -67,6 +67,7 @@ public:
     Qt::ItemFlags flags(const QModelIndex &index) const override;
 
     void setData(const Latte::Data::AppletsTable &applets);
+    void setSelected(const Latte::Data::AppletsTable &applets);
 
 private:
     void clear();