# All files / ship-components-tag-input/src index.js

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     import React from 'react';
    import PropTypes from 'prop-types';
    import { List } from 'immutable';
    import Promise from 'bluebird';
    import superagent from 'superagent';

    import TagContainer from './TagContainer';

    export default class TagInput extends React.Component {
      constructor(props) {
        super(props);
        this.state = {
          waiting: false,
          data: props.options
        };

        this.handleSelectItem = this.handleSelectItem.bind(this);
        this.handleDeselectItem = this.handleDeselectItem.bind(this);
        this.handleFetchOptions = this.handleFetchOptions.bind(this);
      }

      componentWillReceiveProps(nextProps) {
        this.setState({
          data: nextProps.options
        });
      }

      /**
       * Selects an item
       * pass it to parent (If any)
       *
       * @param {any} item
       * @memberof TagInput
       */
      handleSelectItem(item) {
        let { value } = this.props;

        Iif (!this.props.multiple && !value.size == 0) {
          // clear existing selection and send the tags to parent
          this.props.onChange(new List().push(item));
        } else {
          value = this.props.invert ? value.unshift(item) : value = value.push(item);

          // Sending the tags to parent
          this.props.onChange(value);
        }
      }

      /**
       * Deselects an item
       * pass it to parent (If any)
       *
       * @param {any} item
       * @memberof TagInput
       */
      handleDeselectItem(item) {
        let { value, selectItemBy } = this.props;

        Eif (typeof selectItemBy === 'undefined') {
          selectItemBy = item.key ? 'key' : 'id';
        }

        const index = this.props.value.findIndex(selectedItem => item[selectItemBy] === selectedItem[selectItemBy]);

        if (index > -1) {
          value = value.splice(index, 1);
        }

        // Sending the tags to parent
        this.props.onChange(value);
      }

      fetchOptions(query) {
        this.setState({
          waiting: true
        });

        // do a user-provided fetch
        Eif (typeof this.props.fetchOptions === 'function') {
          return this.props.fetchOptions(query);
        }

        // do a fetch with user-provided url + headers
        const { fetchUrl, httpHeaders } = this.props;
        return new Promise((resolve, reject) => {
          let req = superagent.get(fetchUrl);
          // Setting the http headers
          Object.keys(httpHeaders).forEach((key) => {
            req.set(key, httpHeaders[key]);
          });

          req
            .accept('application/json')
            .query({ query: query })
            .end((err, res) => {
              if (err) {
                reject(err);
              }
              resolve(res.body);
            });
        });
      }

      handleFetchOptions(query = '', dropdownOpen = false) {
        if (dropdownOpen || this.state.data.some(field => field.label === query)) {
          return;
        }

        this.fetchOptions(query)
          .then((res) => {
            this.setState({
              data: this.props.extractor(res)
            });
          })
          .catch((err) => {
            console.error(err);
          })
          .finally(() => {
            this.setState({
              waiting: false
            });
          });
      }

      render() {
        const {
          data,
          waiting
        } = this.state;

        return (
          <TagContainer
            {...this.props}
            options={data}
            loading={waiting}
            selection={this.props.value}
            onSelect={this.handleSelectItem}
            onDeselect={this.handleDeselectItem}
            onFetchOptions={this.handleFetchOptions}
          />
        );
      }
    }

    // default props
    TagInput.defaultProps = {
      loading: false,
      multiple: true,
      filterable: true,
      darkTheme: false,
      invert: false,

      className: '',
      orderOptionsBy: 'title',
      label: 'Select Tags...',
      togglePosition: 'left',
      noOptionsMessage: '',
      toggleSwitchStyle: 'search',
      selectItemBy: undefined,
      fetchUrl: '',
      fetchOptions: void 0,

      optionGroupTitles: [],
      options: [],

      httpHeaders: {},
      value: new List(),

      onFetchOptions: void 0,
      extractor: data => data
    };

    // prop types checking
    TagInput.propTypes = {
      loading: PropTypes.bool,
      multiple: PropTypes.bool,
      filterable: PropTypes.bool,
      darkTheme: PropTypes.bool,

      className: PropTypes.string,
      orderOptionsBy: PropTypes.string,
      label: PropTypes.string,
      togglePosition: PropTypes.oneOf(['right', 'left']),
      noOptionsMessage: PropTypes.string,
      toggleSwitchStyle: PropTypes.string,
      selectItemBy: PropTypes.string,
      fetchUrl: PropTypes.string,
      fetchOptions: PropTypes.func,
      invert: PropTypes.bool,

      options: PropTypes.array,
      optionGroupTitles: PropTypes.array,

      httpHeaders: PropTypes.object,
      value: PropTypes.instanceOf(List).isRequired,

      onChange: PropTypes.func.isRequired,
      onFetchOptions: PropTypes.func,
      extractor: PropTypes.func
    };