QmlDesigner: Implement Material Editor

Task-number: QDS-6438
Task-number: QDS-6439
Change-Id: I04e899a68aea665f0df8b65e21523632174ec76b
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@qt.io>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Samuel Ghinet <samuel.ghinet@qt.io>
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>

src/plugins/qmldesigner/components/materialbrowser/materialbrowserview.h

@@ -0,0 +1,79 @@
+/****************************************************************************
+**
+** Copyright (C) 2022 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 <abstractview.h>
+
+#include <QPointer>
+
+namespace QmlDesigner {
+
+class MaterialBrowserWidget;
+
+class MaterialBrowserView : public AbstractView
+{
+    Q_OBJECT
+
+public:
+    MaterialBrowserView(QObject *parent = nullptr);
+    ~MaterialBrowserView() override;
+
+    bool hasWidget() const override;
+    WidgetInfo widgetInfo() override;
+
+    // AbstractView
+    void modelAttached(Model *model) override;
+    void modelAboutToBeDetached(Model *model) override;
+    void selectedNodesChanged(const QList<ModelNode> &selectedNodeList,
+                              const QList<ModelNode> &lastSelectedNodeList) override;
+    void modelNodePreviewPixmapChanged(const ModelNode &node, const QPixmap &pixmap) override;
+    void variantPropertiesChanged(const QList<VariantProperty> &propertyList, PropertyChangeFlags propertyChange) override;
+    void nodeReparented(const ModelNode &node, const NodeAbstractProperty &newPropertyParent,
+                        const NodeAbstractProperty &oldPropertyParent,
+                        AbstractView::PropertyChangeFlags propertyChange) override;
+    void nodeAboutToBeRemoved(const ModelNode &removedNode) override;
+    void nodeRemoved(const ModelNode &removedNode, const NodeAbstractProperty &parentProperty,
+                     PropertyChangeFlags propertyChange) override;
+    void importsChanged(const QList<Import> &addedImports, const QList<Import> &removedImports) override;
+    void customNotification(const AbstractView *view, const QString &identifier,
+                            const QList<ModelNode> &nodeList, const QList<QVariant> &data) override;
+
+private:
+    void refreshModel();
+    bool isMaterial(const ModelNode &node) const;
+
+    QPointer<MaterialBrowserWidget> m_widget;
+    bool m_hasQuick3DImport = false;
+    bool m_autoSelectModelMaterial = false; // TODO: wire this to some action
+
+private slots:
+    void handleSelectedMaterialChanged(int idx);
+    void handleApplyToSelectedTriggered(const QmlDesigner::ModelNode &material, bool add = false);
+    void handleRenameMaterial(const QmlDesigner::ModelNode &material, const QString &newName);
+    void handleAddNewMaterial();
+};
+
+} // namespace QmlDesigner