QmlDesigner: Synchronize the selected collection with collectionDetails

Fixes: QDS-11643
Fixes: QDS-11654
Change-Id: Icf43d2f68b1c4fb4a6ffeb80651b2339b268ccd6
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@qt.io>
Reviewed-by: Qt CI Patch Build Bot <ci_patchbuild_bot@qt.io>
Reviewed-by: Mahmoud Badri <mahmoud.badri@qt.io>

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

@@ -87,8 +87,11 @@ bool CollectionListModel::removeRows(int row, int count, const QModelIndex &pare
     QStringList removedCollections = stringList().mid(row, count);
 
     bool itemsRemoved = Super::removeRows(row, count, parent);
-    if (itemsRemoved)
+    if (itemsRemoved) {
         emit collectionsRemoved(removedCollections);
+        if (m_selectedIndex >= row)
+            selectCollectionIndex(m_selectedIndex - count, true);
+    }
 
     return itemsRemoved;
 }

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

@@ -327,6 +327,7 @@ bool CollectionSourceModel::addCollectionToSource(const ModelNode &node,
             return returnError(tr("No model is available for the JSON model group."));
 
         collections->selectCollectionName(collectionName);
+        setSelectedCollectionName(collectionName);
         return true;
     } else {
         return returnError(tr("JSON document type should be an object containing models."));
@@ -405,9 +406,11 @@ void CollectionSourceModel::onSelectedCollectionChanged(CollectionListModel *col
 
         m_previousSelectedList = collectionList;
 
-        emit collectionSelected(collectionList->collectionNameAt(collectionIndex));
+        setSelectedCollectionName(collectionList->collectionNameAt(collectionIndex));
 
         selectSourceIndex(sourceIndex(collectionList->sourceNode()));
+    } else {
+        setSelectedCollectionName({});
     }
 }
 
@@ -415,7 +418,7 @@ void CollectionSourceModel::onCollectionNameChanged(CollectionListModel *collect
                                                     const QString &oldName, const QString &newName)
 {
     auto emitRenameWarning = [this](const QString &msg) -> void {
-        emit this->warning(tr("Rename Model"), msg);
+        emit warning(tr("Rename Model"), msg);
     };
 
     const ModelNode node = collectionList->sourceNode();
@@ -577,9 +580,11 @@ void CollectionSourceModel::onCollectionsRemoved(CollectionListModel *collection
         }
 
         for (const QString &collectionName : std::as_const(collectionsRemovedFromDocument))
-            emit this->collectionRemoved(collectionName);
+            emit collectionRemoved(collectionName);
 
         updateCollectionList(nodeIndex);
+        if (m_previousSelectedList == collectionList)
+            onSelectedCollectionChanged(collectionList, collectionList->selectedIndex());
     }
 }
 
@@ -609,12 +614,20 @@ void CollectionSourceModel::setSelectedIndex(int idx)
             } else if (m_previousSelectedList) {
                 m_previousSelectedList->selectCollectionIndex(-1);
                 m_previousSelectedList = {};
-                emit this->collectionSelected({});
+                setSelectedCollectionName({});
             }
         }
     }
 }
 
+void CollectionSourceModel::setSelectedCollectionName(const QString &collectionName)
+{
+    if (m_selectedCollectionName != collectionName) {
+        m_selectedCollectionName = collectionName;
+        emit collectionSelected(m_selectedCollectionName);
+    }
+}
+
 void CollectionSourceModel::updateEmpty()
 {
     bool isEmptyNow = m_collectionSources.isEmpty();

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

@@ -87,6 +87,7 @@ private slots:
 
 private:
     void setSelectedIndex(int idx);
+    void setSelectedCollectionName(const QString &collectionName);
     void updateEmpty();
     void updateCollectionList(QModelIndex index);
     void registerCollection(const QSharedPointer<CollectionListModel> &collection);
@@ -98,6 +99,7 @@ private:
     QHash<qint32, int> m_sourceIndexHash; // internalId -> index
     QList<QSharedPointer<CollectionListModel>> m_collectionList;
     QPointer<CollectionListModel> m_previousSelectedList;
+    QString m_selectedCollectionName;
     int m_selectedIndex = -1;
     bool m_isEmpty = true;
 };