openethereum/js/packages/dapp-dappreg/Button/button.js

// Copyright 2015-2017 Parity Technologies (UK) Ltd.
// This file is part of Parity.

// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// Parity 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 General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with Parity.  If not, see <http://www.gnu.org/licenses/>.

import React, { Component } from 'react';
import PropTypes from 'prop-types';

import styles from './button.css';

export default class Button extends Component {
  static propTypes = {
    className: PropTypes.string,
    disabled: PropTypes.bool,
    label: PropTypes.string.isRequired,
    warning: PropTypes.bool,
    onClick: PropTypes.func
  }

  render () {
    const { className, disabled, label, warning } = this.props;
    const classes = [ styles.button, className ];

    return (
      <button
        className={ classes.join(' ') }
        data-warning={ warning }
        disabled={ disabled }
        onClick={ this.handleClick }
      >
        { label }
      </button>
    );
  }

  handleClick = (event) => {
    if (this.props.disabled) {
      event.preventDefault();
      event.stopPropagation();
      return;
    }

    this.props.onClick(event);
  }
}