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diff --git a/server/sonar-web/src/main/js/components/ui/popups.tsx b/server/sonar-web/src/main/js/components/ui/popups.tsx
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+/*
+ * SonarQube
+ * Copyright (C) 2009-2018 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 React from 'react';
+import * as classNames from 'classnames';
+import './popups.css';
+
+export enum PopupPlacement {
+  Bottom = 'bottom',
+  BottomLeft = 'bottom-left',
+  BottomRight = 'bottom-right',
+  LeftTop = 'left-top',
+  RightTop = 'right-top'
+}
+
+interface PopupProps {
+  arrowStyle?: React.CSSProperties;
+  children?: React.ReactNode;
+  className?: string;
+  noPadding?: boolean;
+  placement?: PopupPlacement;
+  style?: React.CSSProperties;
+}
+
+export function Popup(props: PopupProps) {
+  const { placement = PopupPlacement.Bottom } = props;
+  return (
+    <div
+      className={classNames(
+        'popup',
+        `is-${placement}`,
+        { 'no-padding': props.noPadding },
+        props.className
+      )}
+      style={props.style}>
+      {props.children}
+      <PopupArrow style={props.arrowStyle} />
+    </div>
+  );
+}
+
+interface PopupArrowProps {
+  style?: React.CSSProperties;
+}
+
+export function PopupArrow(props: PopupArrowProps) {
+  return <div className="popup-arrow" style={props.style} />;
+}