Add/remove the simulink component when the import is added/removed

Task-number: QDS-2122
Change-Id: Ib4e2ff14ed9cfef1534f9c3edb0a8279fbabfd6a
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>

src/plugins/qmldesigner/components/importmanager/importswidget.cpp

@@ -122,8 +122,15 @@ void ImportsWidget::removePossibleImports()
 
 void ImportsWidget::setUsedImports(const QList<Import> &usedImports)
 {
+    const QStringList excludeList = {"SimulinkConnector"};
+
+    // exclude imports in the excludeList from being readonly (i.e. always enable their x button)
+    QList<Import> filteredImports = Utils::filtered(usedImports, [excludeList](const Import &import) {
+        return !excludeList.contains(import.url());
+    });
+
     foreach (ImportLabel *importLabel, m_importLabels)
-        importLabel->setReadOnly(usedImports.contains(importLabel->import()));
+        importLabel->setReadOnly(filteredImports.contains(importLabel->import()));
 }
 
 void ImportsWidget::removeUsedImports()

src/plugins/qmldesigner/components/itemlibrary/itemlibraryview.cpp

@@ -29,6 +29,10 @@
 #include <importmanagerview.h>
 #include <qmlitemnode.h>
 #include <rewriterview.h>
+#include <bindingproperty.h>
+#include <nodelistproperty.h>
+#include <utils/algorithm.h>
+#include "metainfo.h"
 
 namespace QmlDesigner {
 
@@ -82,9 +86,35 @@ void ItemLibraryView::modelAboutToBeDetached(Model *model)
     m_widget->setModel(nullptr);
 }
 
-void ItemLibraryView::importsChanged(const QList<Import> &/*addedImports*/, const QList<Import> &/*removedImports*/)
+void ItemLibraryView::importsChanged(const QList<Import> &addedImports, const QList<Import> &removedImports)
 {
     updateImports();
+
+    // TODO: generalize the logic below to allow adding/removing any Qml component when its import is added/removed
+    bool simulinkImportAdded = std::any_of(addedImports.cbegin(), addedImports.cend(), [](const Import &import) {
+        return import.url() == "SimulinkConnector";
+    });
+    if (simulinkImportAdded) {
+        // add SLConnector component when SimulinkConnector import is added
+        ModelNode node = createModelNode("SLConnector", 1, 0);
+        node.bindingProperty("root").setExpression(rootModelNode().validId());
+        rootModelNode().defaultNodeListProperty().reparentHere(node);
+    } else {
+        bool simulinkImportRemoved = std::any_of(removedImports.cbegin(), removedImports.cend(), [](const Import &import) {
+            return import.url() == "SimulinkConnector";
+        });
+
+        if (simulinkImportRemoved) {
+            // remove SLConnector component when SimulinkConnector import is removed
+            const QList<ModelNode> slConnectors = Utils::filtered(rootModelNode().directSubModelNodes(),
+                                                                  [](const ModelNode &node) {
+                return node.type() == "SLConnector" || node.type() == "SimulinkConnector.SLConnector";
+            });
+
+            for (ModelNode node : slConnectors)
+                node.destroy();
+        }
+    }
 }
 
 void ItemLibraryView::setResourcePath(const QString &resourcePath)

src/plugins/qmldesigner/designercore/include/itemlibraryinfo.h

@@ -98,7 +98,6 @@ public:
 
     QList<ItemLibraryEntry> entries() const;
     QList<ItemLibraryEntry> entriesForType(const QByteArray &typeName, int majorVersion, int minorVersion) const;
-    ItemLibraryEntry entry(const QString &name) const;
 
     void addEntries(const QList<ItemLibraryEntry> &entries, bool overwriteDuplicate = false);
     bool containsEntry(const ItemLibraryEntry &entry);

src/plugins/qmldesigner/designercore/metainfo/itemlibraryinfo.cpp

@@ -272,17 +272,6 @@ QList<ItemLibraryEntry> ItemLibraryInfo::entriesForType(const QByteArray &typeNa
     return entries;
 }
 
-ItemLibraryEntry ItemLibraryInfo::entry(const QString &name) const
-{
-    if (m_nameToEntryHash.contains(name))
-        return m_nameToEntryHash.value(name);
-
-    if (m_baseInfo)
-        return m_baseInfo->entry(name);
-
-    return ItemLibraryEntry();
-}
-
 QList<ItemLibraryEntry> ItemLibraryInfo::entries() const
 {
     QList<ItemLibraryEntry> list = m_nameToEntryHash.values();