webamp/js/DragTarget.jsx

import React from 'react';

class DragTarget extends React.Component {
  constructor(props) {
    super(props);
    this.handleDrop = this.handleDrop.bind(this);
  }

  supress(e) {
    e.stopPropagation();
    e.preventDefault();
  }

  handleDrop(e) {
    this.supress(e);
    this.props.handleFiles(e.dataTransfer.files);
  }

  render() {
    return <div
      onDragEnter={this.supress}
      onDragOver={this.supress}
      onDrop={this.handleDrop}>
      {this.props.children}
    </div>;
  }
}

module.exports = DragTarget;