Common EditorProxy interface for Editors

* Introduced a EditorProxy base class to have a common Qml interface for editors

Change-Id: I93af944002801cc3e318653c67dcc464bd9f1213
Reviewed-by: Aleksei German <aleksei.german@qt.io>
Reviewed-by: Tapani Mattila <tapani.mattila@qt.io>
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>

10 files changed, 304 insertions, 247 deletions

diff --git a/src/plugins/qmldesigner/CMakeLists.txt b/src/plugins/qmldesigner/CMakeLists.txt
index 63d24df6a1..2b26ad383f 100644
--- a/src/plugins/qmldesigner/CMakeLists.txt
+++ b/src/plugins/qmldesigner/CMakeLists.txt
@@ -31,6 +31,7 @@ add_qtc_plugin(QmlDesigner
     shortcutmanager.cpp shortcutmanager.h
     designermcumanager.cpp designermcumanager.h
     richtexteditordialog.cpp richtexteditordialog.h
+    editorproxy.cpp editorproxy.h
   EXPLICIT_MOC
     components/propertyeditor/propertyeditorvalue.h
     components/connectioneditor/connectionviewwidget.h
diff --git a/src/plugins/qmldesigner/components/annotationeditor/annotationeditor.cpp b/src/plugins/qmldesigner/components/annotationeditor/annotationeditor.cpp
index cdc2611a76..664f693d55 100644
--- a/src/plugins/qmldesigner/components/annotationeditor/annotationeditor.cpp
+++ b/src/plugins/qmldesigner/components/annotationeditor/annotationeditor.cpp
@@ -25,8 +25,8 @@
 
 #include "annotationeditor.h"
 
-#include "annotationeditordialog.h"
 #include "annotation.h"
+#include "annotationeditordialog.h"
 
 #include "qmlmodelnodeproxy.h"
 
@@ -35,126 +35,52 @@
 
 #include <coreplugin/icore.h>
 
-#include <QObject>
-#include <QToolBar>
 #include <QAction>
 #include <QMessageBox>
+#include <QObject>
+#include <QToolBar>
 
 namespace QmlDesigner {
 
 AnnotationEditor::AnnotationEditor(QObject *parent)
-    : QObject(parent)
-{
-}
-
-AnnotationEditor::~AnnotationEditor()
-{
-    hideWidget();
-}
-
-void AnnotationEditor::registerDeclarativeType()
-{
-    qmlRegisterType<AnnotationEditor>("HelperWidgets", 2, 0, "AnnotationEditor");
-}
-
-void AnnotationEditor::showWidget()
-{
-    m_dialog = new AnnotationEditorDialog(Core::ICore::dialogParent(),
-                                          m_modelNode.id(),
-                                          m_modelNode.customId());
-    m_dialog->setAnnotation(m_modelNode.annotation());
-
-    QObject::connect(m_dialog, &AnnotationEditorDialog::acceptedDialog,
-                     this, &AnnotationEditor::acceptedClicked);
-    QObject::connect(m_dialog, &AnnotationEditorDialog::rejected,
-                     this, &AnnotationEditor::cancelClicked);
-
-    m_dialog->setAttribute(Qt::WA_DeleteOnClose);
-
-    m_dialog->show();
-    m_dialog->raise();
-}
-
-void AnnotationEditor::showWidget(int x, int y)
-{
-    showWidget();
-    m_dialog->move(x, y);
-}
+    : ModelNodeEditorProxy(parent)
+{}
 
-void AnnotationEditor::hideWidget()
-{
-    if (m_dialog)
-        m_dialog->close();
-    m_dialog = nullptr;
-}
+AnnotationEditor::~AnnotationEditor() {}
 
-AnnotationEditor* AnnotationEditor::showWidget(const ModelNode &modelNode)
+QWidget *AnnotationEditor::createWidget()
 {
-    auto editor = new AnnotationEditor;
-
-    editor->setModelNode(modelNode);
-    editor->showWidget();
-
-    connect(editor->m_dialog, &QDialog::destroyed,
-            [editor]() { editor->deleteLater(); } );
+    const auto &node = m_modelNode;
+    auto dialog = new AnnotationEditorDialog(Core::ICore::dialogParent(),
+                                             node.id(),
+                                             node.customId());
+    dialog->setAnnotation(node.annotation());
 
-    return editor;
-}
-
-void AnnotationEditor::setModelNode(const ModelNode &modelNode)
-{
-    m_modelNodeBackend = {};
-    m_modelNode = modelNode;
+    QObject::connect(dialog,
+                     &AnnotationEditorDialog::acceptedDialog,
+                     this,
+                     &AnnotationEditor::acceptedClicked);
+    QObject::connect(dialog,
+                     &AnnotationEditorDialog::rejected,
+                     this,
+                     &AnnotationEditor::cancelClicked);
+    return dialog;
 }
 
-ModelNode AnnotationEditor::modelNode() const
-{
-    return m_modelNode;
-}
-
-void AnnotationEditor::setModelNodeBackend(const QVariant &modelNodeBackend)
-{
-    if (!modelNodeBackend.isNull() && modelNodeBackend.isValid()) {
-        m_modelNodeBackend = modelNodeBackend;
-
-        const auto modelNodeBackendObject = modelNodeBackend.value<QObject*>();
-        const auto backendObjectCasted =
-                qobject_cast<const QmlDesigner::QmlModelNodeProxy *>(modelNodeBackendObject);
-
-        if (backendObjectCasted)
-            m_modelNode = backendObjectCasted->qmlObjectNode().modelNode();
-
-        emit modelNodeBackendChanged();
-    }
-}
-
-QVariant AnnotationEditor::modelNodeBackend() const
-{
-    return m_modelNodeBackend;
-}
-
-bool AnnotationEditor::hasCustomId() const
-{
-    if (m_modelNode.isValid())
-        return m_modelNode.hasCustomId();
-    return false;
-}
-
-bool AnnotationEditor::hasAnnotation() const
+void AnnotationEditor::registerDeclarativeType()
 {
-    if (m_modelNode.isValid())
-        return m_modelNode.hasAnnotation();
-    return false;
+    registerType<AnnotationEditor>("AnnotationEditor");
 }
 
 void AnnotationEditor::removeFullAnnotation()
 {
-    if (!m_modelNode.isValid())
+    auto &node = this->m_modelNode;
+    if (!node.isValid())
         return;
 
     QString dialogTitle = tr("Annotation");
-    if (!m_modelNode.customId().isNull()) {
-        dialogTitle = m_modelNode.customId();
+    if (!node.customId().isNull()) {
+        dialogTitle = node.customId();
     }
     QPointer<QMessageBox> deleteDialog = new QMessageBox(Core::ICore::dialogParent());
     deleteDialog->setWindowTitle(dialogTitle);
@@ -168,8 +94,8 @@ void AnnotationEditor::removeFullAnnotation()
         deleteDialog->deleteLater();
 
     if (result == QMessageBox::Yes) {
-        m_modelNode.removeCustomId();
-        m_modelNode.removeAnnotation();
+        node.removeCustomId();
+        node.removeAnnotation();
     }
 
     emit customIdChanged();
@@ -178,23 +104,23 @@ void AnnotationEditor::removeFullAnnotation()
 
 void AnnotationEditor::acceptedClicked()
 {
-    if (m_dialog) {
+    if (const auto *dialog = qobject_cast<AnnotationEditorDialog *>(widget())) {
         QmlDesignerPlugin::emitUsageStatistics(Constants::EVENT_ANNOTATION_ADDED);
-        QString customId = m_dialog->customId();
-        Annotation annotation = m_dialog->annotation();
+        const QString customId = dialog->customId();
+        const Annotation annotation = dialog->annotation();
+        auto &node = this->m_modelNode;
 
-        m_modelNode.setCustomId(customId);
+        node.setCustomId(customId);
 
         if (annotation.comments().isEmpty())
-            m_modelNode.removeAnnotation();
+            node.removeAnnotation();
         else
-            m_modelNode.setAnnotation(annotation);
+            node.setAnnotation(annotation);
     }
 
     hideWidget();
 
     emit accepted();
-
     emit customIdChanged();
     emit annotationChanged();
 }
diff --git a/src/plugins/qmldesigner/components/annotationeditor/annotationeditor.h b/src/plugins/qmldesigner/components/annotationeditor/annotationeditor.h
index 75fce6afe2..3ebfd2d28b 100644
--- a/src/plugins/qmldesigner/components/annotationeditor/annotationeditor.h
+++ b/src/plugins/qmldesigner/components/annotationeditor/annotationeditor.h
@@ -25,65 +25,31 @@
 
 #pragma once
 
-#include <QObject>
 #include <QtQml>
-#include <QPointer>
 
-#include "annotationeditordialog.h"
-#include "annotation.h"
-
-#include "modelnode.h"
+#include "editorproxy.h"
 
 namespace QmlDesigner {
 
-class AnnotationEditor : public QObject
+class AnnotationEditor : public ModelNodeEditorProxy
 {
     Q_OBJECT
-
-    Q_PROPERTY(QVariant modelNodeBackendProperty READ modelNodeBackend WRITE setModelNodeBackend NOTIFY modelNodeBackendChanged)
-    Q_PROPERTY(bool hasCustomId READ hasCustomId NOTIFY customIdChanged)
-    Q_PROPERTY(bool hasAnnotation READ hasAnnotation NOTIFY annotationChanged)
-
 public:
     explicit AnnotationEditor(QObject *parent = nullptr);
     ~AnnotationEditor();
 
-    static void registerDeclarativeType();
-
-    Q_INVOKABLE void showWidget();
-    Q_INVOKABLE void showWidget(int x, int y);
-    Q_INVOKABLE void hideWidget();
-
-    static AnnotationEditor* showWidget(const ModelNode &modelNode);
-
-    void setModelNode(const ModelNode &modelNode);
-    ModelNode modelNode() const;
-
-    void setModelNodeBackend(const QVariant &modelNodeBackend);
-    QVariant modelNodeBackend() const;
-
-    Q_INVOKABLE bool hasCustomId() const;
-    Q_INVOKABLE bool hasAnnotation() const;
-
+    QWidget *createWidget() override;
     Q_INVOKABLE void removeFullAnnotation();
 
+    static void registerDeclarativeType();
+
 signals:
     void accepted();
     void canceled();
-    void modelNodeBackendChanged();
-
-    void customIdChanged();
-    void annotationChanged();
 
 private slots:
     void acceptedClicked();
     void cancelClicked();
-
-private:
-    QPointer<AnnotationEditorDialog> m_dialog;
-
-    ModelNode m_modelNode;
-    QVariant m_modelNodeBackend;
 };
 
 } //namespace QmlDesigner
diff --git a/src/plugins/qmldesigner/components/annotationeditor/globalannotationeditor.cpp b/src/plugins/qmldesigner/components/annotationeditor/globalannotationeditor.cpp
index 8875e9ba83..6adb2f4bf0 100644
--- a/src/plugins/qmldesigner/components/annotationeditor/globalannotationeditor.cpp
+++ b/src/plugins/qmldesigner/components/annotationeditor/globalannotationeditor.cpp
@@ -25,78 +25,40 @@
 
 #include "globalannotationeditor.h"
 
-#include "globalannotationeditordialog.h"
 #include "annotation.h"
+#include "globalannotationeditordialog.h"
 
-#include "qmlmodelnodeproxy.h"
 #include <coreplugin/icore.h>
-
-#include <QObject>
-#include <QToolBar>
-#include <QAction>
 #include <QMessageBox>
 
 namespace QmlDesigner {
 
-GlobalAnnotationEditor::GlobalAnnotationEditor(QObject *)
-{
-}
-
-GlobalAnnotationEditor::~GlobalAnnotationEditor()
-{
-    hideWidget();
-}
-
-void GlobalAnnotationEditor::showWidget()
-{
-    m_dialog = new GlobalAnnotationEditorDialog(Core::ICore::dialogParent(),
-                                                modelNode().globalStatus());
-    m_dialog->setAnnotation(modelNode().globalAnnotation());
-
-    QObject::connect(m_dialog, &GlobalAnnotationEditorDialog::acceptedDialog,
-                     this, &GlobalAnnotationEditor::acceptedClicked);
-    QObject::connect(m_dialog, &GlobalAnnotationEditorDialog::rejected,
-                     this, &GlobalAnnotationEditor::cancelClicked);
-
-    m_dialog->setAttribute(Qt::WA_DeleteOnClose);
-
-    m_dialog->show();
-    m_dialog->raise();
-}
-
-void GlobalAnnotationEditor::showWidget(int x, int y)
-{
-    showWidget();
-    m_dialog->move(x, y);
-}
-
-void GlobalAnnotationEditor::hideWidget()
-{
-    if (m_dialog)
-        m_dialog->close();
-    m_dialog = nullptr;
-}
-
-void GlobalAnnotationEditor::setModelNode(const ModelNode &modelNode)
-{
-    m_modelNode = modelNode;
-}
+GlobalAnnotationEditor::GlobalAnnotationEditor(QObject *parent)
+    : ModelNodeEditorProxy(parent)
+{}
 
-ModelNode GlobalAnnotationEditor::modelNode() const
-{
-    return m_modelNode;
-}
+GlobalAnnotationEditor::~GlobalAnnotationEditor() {}
 
-bool GlobalAnnotationEditor::hasAnnotation() const
+QWidget *GlobalAnnotationEditor::createWidget()
 {
-    if (m_modelNode.isValid())
-        return m_modelNode.hasGlobalAnnotation();
-    return false;
-}
+    auto* dialog = new GlobalAnnotationEditorDialog(Core::ICore::dialogParent(),
+                                                    this->m_modelNode.globalStatus());
+    dialog->setAnnotation(this->m_modelNode.globalAnnotation());
+    QObject::connect(dialog,
+                     &GlobalAnnotationEditorDialog::acceptedDialog,
+                     this,
+                     &GlobalAnnotationEditor::acceptedClicked);
+    QObject::connect(dialog,
+                     &GlobalAnnotationEditorDialog::rejected,
+                     this,
+                     &GlobalAnnotationEditor::cancelClicked);
+    return dialog;
+};
 
 void GlobalAnnotationEditor::removeFullAnnotation()
 {
-    if (!m_modelNode.isValid())
+    auto &node = this->m_modelNode;
+    if (!node.isValid())
         return;
 
     QString dialogTitle = tr("Global Annotation");
@@ -107,10 +69,11 @@ void GlobalAnnotationEditor::removeFullAnnotation()
     deleteDialog->setDefaultButton(QMessageBox::Yes);
 
     int result = deleteDialog->exec();
-    if (deleteDialog) deleteDialog->deleteLater();
+    if (deleteDialog)
+        deleteDialog->deleteLater();
 
     if (result == QMessageBox::Yes) {
-        m_modelNode.removeGlobalAnnotation();
+        node.removeGlobalAnnotation();
     }
 
     emit annotationChanged();
@@ -118,25 +81,21 @@ void GlobalAnnotationEditor::removeFullAnnotation()
 
 void GlobalAnnotationEditor::acceptedClicked()
 {
-    if (m_dialog) {
-
-        Annotation annotation = m_dialog->annotation();
+    if (const auto *dialog = qobject_cast<GlobalAnnotationEditorDialog *>(widget())) {
+        auto &node = this->m_modelNode;
+        const Annotation annotation = dialog->annotation();
 
         if (annotation.comments().isEmpty())
-            m_modelNode.removeGlobalAnnotation();
+            node.removeGlobalAnnotation();
         else
-            m_modelNode.setGlobalAnnotation(annotation);
-
-        GlobalAnnotationStatus status = m_dialog->globalStatus();
-
-        if (status.status() == GlobalAnnotationStatus::NoStatus) {
-            if (m_modelNode.hasGlobalStatus()) {
-                m_modelNode.removeGlobalStatus();
-            }
-        }
-        else {
-            m_modelNode.setGlobalStatus(status);
-        }
+            node.setGlobalAnnotation(annotation);
+
+        const GlobalAnnotationStatus status = dialog->globalStatus();
+
+        if (status.status() == GlobalAnnotationStatus::NoStatus)
+            node.removeGlobalStatus();
+        else
+            node.setGlobalStatus(status);
     }
 
     hideWidget();
@@ -150,7 +109,6 @@ void GlobalAnnotationEditor::cancelClicked()
     hideWidget();
 
     emit canceled();
-
     emit annotationChanged();
 }
 
diff --git a/src/plugins/qmldesigner/components/annotationeditor/globalannotationeditor.h b/src/plugins/qmldesigner/components/annotationeditor/globalannotationeditor.h
index eefdaec553..ed8973380f 100644
--- a/src/plugins/qmldesigner/components/annotationeditor/globalannotationeditor.h
+++ b/src/plugins/qmldesigner/components/annotationeditor/globalannotationeditor.h
@@ -26,32 +26,25 @@
 #pragma once
 
 #include <QObject>
-#include <QtQml>
 #include <QPointer>
+#include <QtQml>
 
-#include "globalannotationeditordialog.h"
+#include "abstractaction.h"
 #include "annotation.h"
+#include "globalannotationeditordialog.h"
 
+#include "editorproxy.h"
 #include "modelnode.h"
 
 namespace QmlDesigner {
-
-class GlobalAnnotationEditor : public QObject
+class GlobalAnnotationEditor : public ModelNodeEditorProxy
 {
     Q_OBJECT
-
 public:
     explicit GlobalAnnotationEditor(QObject *parent = nullptr);
     ~GlobalAnnotationEditor();
 
-    Q_INVOKABLE void showWidget();
-    Q_INVOKABLE void showWidget(int x, int y);
-    Q_INVOKABLE void hideWidget();
-
-    void setModelNode(const ModelNode &modelNode);
-    ModelNode modelNode() const;
-
-    Q_INVOKABLE bool hasAnnotation() const;
+    QWidget *createWidget() override;
 
     Q_INVOKABLE void removeFullAnnotation();
 
@@ -59,17 +52,11 @@ signals:
     void accepted();
     void canceled();
     void modelNodeBackendChanged();
-
     void annotationChanged();
 
 private slots:
     void acceptedClicked();
     void cancelClicked();
-
-private:
-    QPointer<GlobalAnnotationEditorDialog> m_dialog;
-
-    ModelNode m_modelNode;
 };
 
 } //namespace QmlDesigner
diff --git a/src/plugins/qmldesigner/components/componentcore/modelnodeoperations.cpp b/src/plugins/qmldesigner/components/componentcore/modelnodeoperations.cpp
index e72c61829a..3acfa1fce4 100644
--- a/src/plugins/qmldesigner/components/componentcore/modelnodeoperations.cpp
+++ b/src/plugins/qmldesigner/components/componentcore/modelnodeoperations.cpp
@@ -1556,7 +1556,7 @@ void editAnnotation(const SelectionContext &selectionContext)
 {
     ModelNode selectedNode = selectionContext.currentSingleSelectedNode();
 
-    AnnotationEditor::showWidget(selectedNode);
+    ModelNodeEditorProxy::fromModelNode<AnnotationEditor>(selectedNode);
 }
 
 QVariant previewImageDataForGenericNode(const ModelNode &modelNode)
diff --git a/src/plugins/qmldesigner/editorproxy.cpp b/src/plugins/qmldesigner/editorproxy.cpp
new file mode 100644
index 0000000000..0a40645b9b
--- /dev/null
+++ b/src/plugins/qmldesigner/editorproxy.cpp
@@ -0,0 +1,114 @@
+/****************************************************************************
+**
+** Copyright (C) 2021 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+#pragma once
+
+#include "editorproxy.h"
+#include "qmlmodelnodeproxy.h"
+
+namespace QmlDesigner {
+
+EditorProxy::EditorProxy(QObject *parent)
+    : QObject(parent)
+{}
+
+EditorProxy::~EditorProxy()
+{
+    hideWidget();
+}
+
+void EditorProxy::showWidget()
+{
+    if (m_widget = createWidget()) {
+        m_widget->setAttribute(Qt::WA_DeleteOnClose);
+        m_widget->show();
+        m_widget->raise();
+    }
+}
+
+void EditorProxy::showWidget(int x, int y)
+{
+    showWidget();
+    if (m_widget) {
+        m_widget->move(x, y);
+    }
+}
+
+void EditorProxy::hideWidget()
+{
+    if (m_widget)
+        m_widget->close();
+    m_widget = nullptr;
+}
+
+QWidget* EditorProxy::widget() const {
+    return m_widget;
+}
+
+ModelNodeEditorProxy::ModelNodeEditorProxy(QObject *parent) : EditorProxy(parent) {}
+
+ModelNodeEditorProxy::~ModelNodeEditorProxy() {}
+
+ModelNode ModelNodeEditorProxy::modelNode() const
+{
+    return m_modelNode;
+}
+
+void ModelNodeEditorProxy::setModelNode(const ModelNode &modelNode)
+{
+    m_modelNodeBackend = {};
+    m_modelNode = modelNode;
+}
+
+void ModelNodeEditorProxy::setModelNodeBackend(const QVariant &modelNodeBackend)
+{
+    if (!modelNodeBackend.isNull() && modelNodeBackend.isValid()) {
+        const auto modelNodeBackendObject = modelNodeBackend.value<QObject *>();
+        const auto backendObjectCasted = qobject_cast<const QmlDesigner::QmlModelNodeProxy *>(
+            modelNodeBackendObject);
+
+        if (backendObjectCasted)
+            m_modelNode = backendObjectCasted->qmlObjectNode().modelNode();
+        m_modelNodeBackend = modelNodeBackend;
+
+        emit modelNodeBackendChanged();
+    }
+}
+
+QVariant ModelNodeEditorProxy::modelNodeBackend() const
+{
+    return m_modelNodeBackend;
+}
+
+bool ModelNodeEditorProxy::hasCustomId() const
+{
+    return m_modelNode.isValid() ? m_modelNode.hasCustomId() : false;
+}
+
+bool ModelNodeEditorProxy::hasAnnotation() const
+{
+    return m_modelNode.isValid() ? m_modelNode.hasAnnotation() : false;
+}
+
+} // namespace QmlDesigner
diff --git a/src/plugins/qmldesigner/editorproxy.h b/src/plugins/qmldesigner/editorproxy.h
new file mode 100644
index 0000000000..20d39246fd
--- /dev/null
+++ b/src/plugins/qmldesigner/editorproxy.h
@@ -0,0 +1,101 @@
+/****************************************************************************
+**
+** Copyright (C) 2021 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+#pragma once
+
+#include <QQmlEngine>
+#include <QPointer>
+
+#include "modelnode.h"
+
+namespace QmlDesigner {
+class EditorProxy : public QObject
+{
+    Q_OBJECT
+public:
+    EditorProxy(QObject *parent = nullptr);
+    ~EditorProxy();
+
+    Q_INVOKABLE virtual void showWidget();
+    Q_INVOKABLE void showWidget(int x, int y);
+    Q_INVOKABLE virtual void hideWidget();
+
+    QWidget *widget() const;
+    virtual QWidget *createWidget() = 0;
+
+    template<typename T>
+    static void registerType(const char *className)
+    {
+        qmlRegisterType<T>("HelperWidgets", 2, 0, className);
+    }
+
+protected:
+    QPointer<QWidget> m_widget;
+};
+
+class ModelNodeEditorProxy : public EditorProxy
+{
+    Q_OBJECT
+    Q_PROPERTY(bool hasCustomId READ hasCustomId NOTIFY customIdChanged)
+    Q_PROPERTY(bool hasAnnotation READ hasAnnotation NOTIFY annotationChanged)
+    Q_PROPERTY(QVariant modelNodeBackendProperty READ modelNodeBackend WRITE setModelNodeBackend
+                   NOTIFY modelNodeBackendChanged)
+public:
+    ModelNodeEditorProxy(QObject *parent = nullptr);
+    ~ModelNodeEditorProxy();
+
+    ModelNode modelNode() const;
+    virtual void setModelNode(const ModelNode &modelNode);
+
+    void setModelNodeBackend(const QVariant &modelNodeBackend);
+    QVariant modelNodeBackend() const;
+
+    Q_INVOKABLE bool hasCustomId() const;
+    Q_INVOKABLE bool hasAnnotation() const;
+
+    template<typename T>
+    static T *fromModelNode(const ModelNode &modelNode, QVariant const &modelNodeBackend = {})
+    {
+        auto *editor = new T;
+        editor->setModelNode(modelNode);
+        if (!modelNodeBackend.isNull())
+            editor->setModelNodeBackend(modelNodeBackend);
+
+        editor->showWidget();
+        if (editor->m_widget) {
+            connect(editor->m_widget, &QObject::destroyed, [editor]() { editor->deleteLater(); });
+        }
+        return editor;
+    }
+
+signals:
+    void customIdChanged();
+    void annotationChanged();
+    void modelNodeBackendChanged();
+
+protected:
+    QVariant m_modelNodeBackend;
+    ModelNode m_modelNode;
+};
+} // namespace QmlDesigner
diff --git a/src/plugins/qmldesigner/qmldesignerplugin.pri b/src/plugins/qmldesigner/qmldesignerplugin.pri
index c7d3c1df05..58fb55788f 100644
--- a/src/plugins/qmldesigner/qmldesignerplugin.pri
+++ b/src/plugins/qmldesigner/qmldesignerplugin.pri
@@ -3,6 +3,7 @@ HEADERS += $$PWD/qmldesignerconstants.h \
     $$PWD/qmldesignerplugin.h \
     $$PWD/designmodewidget.h \
     $$PWD/designersettings.h \
+    $$PWD/editorproxy.h \
     $$PWD/generateresource.h \
     $$PWD/settingspage.h \
     $$PWD/designmodecontext.h \
@@ -17,6 +18,7 @@ SOURCES += $$PWD/qmldesignerplugin.cpp \
     $$PWD/shortcutmanager.cpp \
     $$PWD/designmodewidget.cpp \
     $$PWD/designersettings.cpp \
+    $$PWD/editorproxy.cpp \
     $$PWD/generateresource.cpp \
     $$PWD/settingspage.cpp \
     $$PWD/designmodecontext.cpp \
diff --git a/src/plugins/qmldesigner/qmldesignerplugin.qbs b/src/plugins/qmldesigner/qmldesignerplugin.qbs
index cac16af404..26d82c217a 100644
--- a/src/plugins/qmldesigner/qmldesignerplugin.qbs
+++ b/src/plugins/qmldesigner/qmldesignerplugin.qbs
@@ -977,6 +977,8 @@ Project {
             "documentmanager.h",
             "documentwarningwidget.cpp",
             "documentwarningwidget.h",
+            "editorproxy.h",
+            "editorproxy.cpp",
             "openuiqmlfiledialog.cpp",
             "openuiqmlfiledialog.h",
             "openuiqmlfiledialog.ui",