metamask-extension/ui/components/app/modals/add-to-addressbook-modal/add-to-addressbook-modal.component.js

import React, { Component } from 'react';
import PropTypes from 'prop-types';
import Button from '../../../ui/button/button.component';

export default class AddToAddressBookModal extends Component {
  static contextTypes = {
    t: PropTypes.func,
  };

  static propTypes = {
    hideModal: PropTypes.func.isRequired,
    addToAddressBook: PropTypes.func.isRequired,
    recipient: PropTypes.string.isRequired,
  };

  state = {
    alias: '',
  };

  onSave = async () => {
    const { recipient, addToAddressBook, hideModal } = this.props;
    await addToAddressBook(recipient, this.state.alias);
    hideModal();
  };

  onChange = (e) => {
    this.setState({
      alias: e.target.value,
    });
  };

  onKeyPress = async (e) => {
    if (e.key === 'Enter' && this.state.alias) {
      this.onSave();
    }
  };

  render() {
    const { t } = this.context;

    return (
      <div className="add-to-address-book-modal">
        <div className="add-to-address-book-modal__content">
          <div className="add-to-address-book-modal__content__header">
            {t('addToAddressBook')}
          </div>
          <div className="add-to-address-book-modal__input-label">
            {t('enterAnAlias')}
          </div>
          <input
            type="text"
            className="add-to-address-book-modal__input"
            placeholder={t('addToAddressBookModalPlaceholder')}
            onChange={this.onChange}
            onKeyPress={this.onKeyPress}
            value={this.state.alias}
            autoFocus
          />
        </div>
        <div className="add-to-address-book-modal__footer">
          <Button type="secondary" onClick={this.props.hideModal}>
            {t('cancel')}
          </Button>
          <Button
            type="primary"
            onClick={this.onSave}
            disabled={!this.state.alias}
          >
            {t('save')}
          </Button>
        </div>
      </div>
    );
  }
}