Added plugin for supporting the Nim programming language

The plugin support:
- basic syntax highlighting
- indentation
- project management
- run and build configuration
- debugging
- code style

Change-Id: Idfbb02a11ed570c90149a54b726beb956712e2bd
Reviewed-by: David Schulz <david.schulz@theqtcompany.com>
Reviewed-by: hjk <hjk@theqtcompany.com>

src/plugins/nim/settings/nimcodestylepreferencesfactory.cpp

@@ -0,0 +1,87 @@
+/****************************************************************************
+**
+** Copyright (C) Filippo Cucchetto <filippocucchetto@gmail.com>
+** Contact: http://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.
+**
+****************************************************************************/
+
+#include "settings/nimcodestylepreferencesfactory.h"
+
+#include "nimconstants.h"
+#include "editor/nimindenter.h"
+#include "settings/nimcodestylepreferenceswidget.h"
+
+#include <coreplugin/id.h>
+#include <texteditor/simplecodestylepreferences.h>
+#include <texteditor/snippets/isnippetprovider.h>
+#include <extensionsystem/pluginmanager.h>
+
+#include <QWidget>
+#include <QLayout>
+
+namespace Nim {
+
+NimCodeStylePreferencesFactory::NimCodeStylePreferencesFactory()
+{
+}
+
+Core::Id NimCodeStylePreferencesFactory::languageId()
+{
+    return Constants::C_NIMLANGUAGE_ID;
+}
+
+QString NimCodeStylePreferencesFactory::displayName()
+{
+    return tr(Constants::C_NIMLANGUAGE_NAME);
+}
+
+TextEditor::ICodeStylePreferences *NimCodeStylePreferencesFactory::createCodeStyle() const
+{
+    return new TextEditor::SimpleCodeStylePreferences();
+}
+
+QWidget *NimCodeStylePreferencesFactory::createEditor(TextEditor::ICodeStylePreferences *preferences,
+                                                      QWidget *parent) const
+{
+    auto result = new NimCodeStylePreferencesWidget(preferences, parent);
+    result->layout()->setMargin(0);
+    return result;
+}
+
+TextEditor::Indenter *NimCodeStylePreferencesFactory::createIndenter() const
+{
+    return new NimIndenter();
+}
+
+TextEditor::ISnippetProvider *NimCodeStylePreferencesFactory::snippetProvider() const
+{
+    return ExtensionSystem::PluginManager::getObject<TextEditor::ISnippetProvider>(
+        [](TextEditor::ISnippetProvider *provider) {
+            return provider->groupId() == Nim::Constants::C_NIMSNIPPETSGROUP_ID;
+        });
+}
+
+QString NimCodeStylePreferencesFactory::previewText() const
+{
+    return QLatin1String(Nim::Constants::C_NIMCODESTYLEPREVIEWSNIPPET);
+}
+
+}