From cdda52d799ea9edeb135de44e02fecc9d6d8e94b Mon Sep 17 00:00:00 2001
From: Alexander Tseung <alextsg@gmail.com>
Date: Fri, 20 Jul 2018 10:25:45 -0700
Subject: Add ButtonGroup component

---
 .../button-group/button-group.component.js         | 61 ++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 ui/app/components/button-group/button-group.component.js

(limited to 'ui/app/components/button-group/button-group.component.js')

diff --git a/ui/app/components/button-group/button-group.component.js b/ui/app/components/button-group/button-group.component.js
new file mode 100644
index 000000000..f99f710ce
--- /dev/null
+++ b/ui/app/components/button-group/button-group.component.js
@@ -0,0 +1,61 @@
+import React, { PureComponent } from 'react'
+import PropTypes from 'prop-types'
+import classnames from 'classnames'
+
+export default class ButtonGroup extends PureComponent {
+  static propTypes = {
+    defaultActiveButtonIndex: PropTypes.number,
+    disabled: PropTypes.bool,
+    children: PropTypes.array,
+    className: PropTypes.string,
+    style: PropTypes.object,
+  }
+
+  static defaultProps = {
+    className: 'button-group',
+  }
+
+  state = {
+    activeButtonIndex: this.props.defaultActiveButtonIndex || 0,
+  }
+
+  handleButtonClick (activeButtonIndex) {
+    this.setState({ activeButtonIndex })
+  }
+
+  renderButtons () {
+    const { children, disabled } = this.props
+
+    return React.Children.map(children, (child, index) => {
+      return child && (
+        <button
+          className={classnames(
+            'button-group__button',
+            { 'button-group__button--active': index === this.state.activeButtonIndex },
+          )}
+          onClick={() => {
+            this.handleButtonClick(index)
+            child.props.onClick && child.props.onClick()
+          }}
+          disabled={disabled || child.props.disabled}
+          key={index}
+        >
+          { child.props.children }
+        </button>
+      )
+    })
+  }
+
+  render () {
+    const { className, style } = this.props
+
+    return (
+      <div
+        className={className}
+        style={style}
+      >
+        { this.renderButtons() }
+      </div>
+    )
+  }
+}
-- 
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