All files / src/gadgets/tree node-wrapper.js

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/* Copyright © 2016 Kuali, Inc. - All Rights Reserved
 * You may use and modify this code under the terms of the Kuali, Inc.
 * Pre-Release License Agreement. You may not distribute it.
 *
 * You should have received a copy of the Kuali, Inc. Pre-Release License
 * Agreement with this file. If not, please write to license@kuali.co.
 */
 
// The basis for this component was this: https://github.com/chenglou/react-treeview
 
import classnames from 'classnames'
import React from 'react'
import PropTypes from 'prop-types'
import styles from './style.css'
 
export default class Node extends React.PureComponent {
  static propTypes = {
    collapsed: PropTypes.bool,
    defaultCollapsed: PropTypes.bool,
    nodeLabel: PropTypes.node.isRequired
  }
 
  constructor (props) {
    super(props)
 
    this.state = {
      collapsed: props.defaultCollapsed
    }
  }
 
  handleClick = (...args) => {
    this.setState({ collapsed: !this.state.collapsed })
    if (this.props.onClick) {
      this.props.onClick(...args)
    }
  }
 
  render () {
    const {
      collapsed = this.state.collapsed,
      nodeLabel,
      children
    } = this.props
 
    const arrow = (
      <div
        className={classnames(styles.arrow, {
          [styles.arrowCollapsed]: collapsed
        })}
        onClick={this.handleClick}
      />
    )
 
    return (
      <div className={styles.treeView}>
        <div className={styles.item}>
          {arrow}
          {nodeLabel}
        </div>
        <div className={classnames(styles.children, {
          [styles.childrenCollapsed]: collapsed
        })}>
          {collapsed ? null : children}
        </div>
      </div>
    )
  }
}