QmlDesigner: Add rows to a collection

Task-number: QDS-10619
Change-Id: I37a2b7ebdc3abd8f72a5fe3e7e5fd82e173cd9ea
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@qt.io>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Qt CI Patch Build Bot <ci_patchbuild_bot@qt.io>
Reviewed-by: Mahmoud Badri <mahmoud.badri@qt.io>

share/qtcreator/qmldesigner/collectionEditorQmlSource/CollectionDetailsToolbar.qml

@@ -44,6 +44,25 @@ Item {
             enabled: root.model.selectedColumn > -1
             onClicked: addColumnDialog.popUp(root.model.selectedColumn + 1)
         }
+
+        Item { // spacer
+            width: 20
+            height: 1
+        }
+
+        IconButton {
+            icon: StudioTheme.Constants.addrowbelow_medium
+            tooltip: qsTr("Insert record below")
+            enabled: root.model.selectedRow > -1
+            onClicked: root.model.insertRow(root.model.selectedRow + 1)
+        }
+
+        IconButton {
+            icon: StudioTheme.Constants.addrowabove_medium
+            tooltip: qsTr("Insert record above")
+            enabled: root.model.selectedRow > -1
+            onClicked: root.model.insertRow(root.model.selectedRow)
+        }
     }
 
     Row {

src/plugins/qmldesigner/components/collectioneditor/collectiondetails.cpp

@@ -124,6 +124,20 @@ void CollectionDetails::insertElementAt(std::optional<QJsonObject> object, int r
     markChanged();
 }
 
+void CollectionDetails::insertEmptyElements(int row, int count)
+{
+    if (!isValid())
+        return;
+
+    if (count < 1)
+        return;
+
+    row = qBound(0, row, rows() - 1);
+    d->elements.insert(row, count, {});
+
+    markChanged();
+}
+
 bool CollectionDetails::setHeader(int column, const QString &value)
 {
     if (!d->isValidColumnId(column))

src/plugins/qmldesigner/components/collectioneditor/collectiondetails.h

@@ -48,6 +48,7 @@ public:
     bool removeColumns(int colIdx, int count = 1);
 
     void insertElementAt(std::optional<QJsonObject> object, int row = -1);
+    void insertEmptyElements(int row = 0, int count = 1);
 
     bool setHeader(int column, const QString &value);
 

src/plugins/qmldesigner/components/collectioneditor/singlecollectionmodel.cpp

@@ -91,6 +91,20 @@ bool SingleCollectionModel::setHeaderData(int section,
     return headerChanged;
 }
 
+bool SingleCollectionModel::insertRows(int row, int count, const QModelIndex &parent)
+{
+    if (count < 1)
+        return false;
+
+    row = qBound(0, row, rowCount());
+    beginInsertRows(parent, row, row + count);
+    m_currentCollection.insertEmptyElements(row, count);
+    endInsertRows();
+
+    updateEmpty();
+    return true;
+}
+
 bool SingleCollectionModel::removeColumns(int column, int count, const QModelIndex &parent)
 {
     if (column < 0 || column >= columnCount(parent) || count < 1)

src/plugins/qmldesigner/components/collectioneditor/singlecollectionmodel.h

@@ -35,6 +35,7 @@ public:
                        Qt::Orientation orientation,
                        const QVariant &value,
                        int role = Qt::EditRole) override;
+    bool insertRows(int row, int count, const QModelIndex &parent = {}) override;
     bool removeColumns(int column, int count, const QModelIndex &parent = QModelIndex()) override;
 
     Qt::ItemFlags flags(const QModelIndex &index) const override;