ProjectExplorer: Add a common template for project settings

- Added base widget class for common options among project settings tabs
- Added usage new template class to all pages used in project settings

ToDo
- Make CodeStyle tab standardized

Change-Id: I8f70413b6ee764c5e43fbeae104b9389237c582f
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

src/plugins/clangcodemodel/clangprojectsettingswidget.h

@@ -0,0 +1,61 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 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 "ui_clangprojectsettingswidget.h"
+
+#include "clangprojectsettings.h"
+#include <projectexplorer/projectsettingswidget.h>
+
+#include <QPointer>
+
+namespace ProjectExplorer { class Project; }
+
+namespace ClangCodeModel {
+namespace Internal {
+
+class ClangProjectSettingsWidget: public ProjectExplorer::ProjectSettingsWidget
+{
+    Q_OBJECT
+
+public:
+    explicit ClangProjectSettingsWidget(ProjectExplorer::Project *project);
+
+private:
+    void onDelayedTemplateParseClicked(bool);
+    void onGlobalCustomChanged(bool useGlobalSettings);
+    void onAboutToSaveProjectSettings();
+
+    void syncWidgets();
+    void syncOtherWidgetsToComboBox();
+
+private:
+    Ui::ClangProjectSettingsWidget m_ui;
+    ClangProjectSettings &m_projectSettings;
+};
+
+} // namespace Internal
+} // namespace ClangCodeModel