1 files changed, 77 insertions, 0 deletions
diff --git a/server/sonar-web/src/main/js/components/ui/NavBar.tsx b/server/sonar-web/src/main/js/components/ui/NavBar.tsx
new file mode 100644
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+++ b/server/sonar-web/src/main/js/components/ui/NavBar.tsx
@@ -0,0 +1,77 @@
+/*
+ * SonarQube
+ * Copyright (C) 2009-2021 SonarSource SA
+ * mailto:info AT sonarsource DOT com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+import * as classNames from 'classnames';
+import { throttle } from 'lodash';
+import * as React from 'react';
+import './NavBar.css';
+
+export interface NavBarProps {
+  children?: React.ReactNode;
+  className?: string;
+  height: number;
+  limited?: boolean;
+  top?: number;
+  notif?: React.ReactNode;
+}
+
+interface State {
+  left: number;
+}
+
+export default class NavBar extends React.PureComponent<
+  NavBarProps & React.HTMLProps<HTMLDivElement>,
+  State
+> {
+  throttledFollowHorizontalScroll: () => void;
+
+  constructor(props: NavBarProps) {
+    super(props);
+    this.state = { left: 0 };
+    this.throttledFollowHorizontalScroll = throttle(this.followHorizontalScroll, 10);
+  }
+
+  componentDidMount() {
+    document.addEventListener('scroll', this.throttledFollowHorizontalScroll);
+  }
+
+  componentWillUnmount() {
+    document.removeEventListener('scroll', this.throttledFollowHorizontalScroll);
+  }
+
+  followHorizontalScroll = () => {
+    if (document.documentElement) {
+      this.setState({ left: -document.documentElement.scrollLeft });
+    }
+  };
+
+  render() {
+    const { children, className, height, limited = true, top, notif, ...other } = this.props;
+    return (
+      <nav {...other} className={classNames('navbar', className)} style={{ height, top }}>
+        <div
+          className={classNames('navbar-inner', { 'navbar-inner-with-notif': notif != null })}
+          style={{ height, left: this.state.left }}>
+          <div className={classNames('clearfix', { 'navbar-limited': limited })}>{children}</div>
+          {notif}
+        </div>
+      </nav>
+    );
+  }
+}