gab-social/app/javascript/gabsocial/features/compose/components/compose_form/compose_form.js

import { defineMessages, injectIntl } from 'react-intl'
import ImmutablePureComponent from 'react-immutable-pure-component'
import ImmutablePropTypes from 'react-immutable-proptypes'
import classNames from 'classnames/bind'
import { length } from 'stringz'
import CharacterCounter from '../../../../components/character_counter'
import UploadForm from '../upload_form'
import AutosuggestTextbox from '../../../../components/autosuggest_textbox'
import PollButton from '../../components/poll_button'
import UploadButton from '../media_upload_button'
import SpoilerButton from '../../components/spoiler_button'
import RichTextEditorButton from '../../components/rich_text_editor_button'
import GifSelectorButton from '../../components/gif_selector_button'
import StatusVisibilityButton from '../../components/status_visibility_button'
import EmojiPickerButton from '../../components/emoji_picker_button'
import PollFormContainer from '../../containers/poll_form_container'
import SchedulePostButton from '../schedule_post_button'
import StatusContainer from '../../../../containers/status_container'
import Button from '../../../../components/button'
import Avatar from '../../../../components/avatar'
import { isMobile } from '../../../../utils/is_mobile'
import { countableText } from '../../util/counter'

const allowedAroundShortCode = '><\u0085\u0020\u00a0\u1680\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000\u2028\u2029\u0009\u000a\u000b\u000c\u000d'
const maxPostCharacterCount = 3000

const messages = defineMessages({
  placeholder: { id: 'compose_form.placeholder', defaultMessage: "What's on your mind?" },
  commentPlaceholder: { id: 'compose_form.comment_placeholder', defaultMessage: "Write a comment..." },
  spoiler_placeholder: { id: 'compose_form.spoiler_placeholder', defaultMessage: 'Write your warning here' },
  publish: { id: 'compose_form.publish', defaultMessage: 'Gab' },
  publishLoud: { id: 'compose_form.publish_loud', defaultMessage: '{publish}' },
  schedulePost: { id: 'compose_form.schedule_post', defaultMessage: 'Schedule Post' },
});

const cx = classNames.bind(_s)

export default
@injectIntl
class ComposeForm extends ImmutablePureComponent {

  state = {
    composeFocused: false,
  }

  static contextTypes = {
    router: PropTypes.object,
  };

  static propTypes = {
    intl: PropTypes.object.isRequired,
    edit: PropTypes.bool,
    isMatch: PropTypes.bool,
    text: PropTypes.string.isRequired,
    suggestions: ImmutablePropTypes.list,
    account: ImmutablePropTypes.map.isRequired,
    status: ImmutablePropTypes.map,
    spoiler: PropTypes.bool,
    privacy: PropTypes.string,
    spoilerText: PropTypes.string,
    focusDate: PropTypes.instanceOf(Date),
    caretPosition: PropTypes.number,
    preselectDate: PropTypes.instanceOf(Date),
    isSubmitting: PropTypes.bool,
    isChangingUpload: PropTypes.bool,
    isUploading: PropTypes.bool,
    onChange: PropTypes.func.isRequired,
    onSubmit: PropTypes.func.isRequired,
    onClearSuggestions: PropTypes.func.isRequired,
    onFetchSuggestions: PropTypes.func.isRequired,
    onSuggestionSelected: PropTypes.func.isRequired,
    onChangeSpoilerText: PropTypes.func.isRequired,
    onPaste: PropTypes.func.isRequired,
    onPickEmoji: PropTypes.func.isRequired,
    showSearch: PropTypes.bool,
    anyMedia: PropTypes.bool,
    shouldCondense: PropTypes.bool,
    autoFocus: PropTypes.bool,
    group: ImmutablePropTypes.map,
    isModalOpen: PropTypes.bool,
    scheduledAt: PropTypes.instanceOf(Date),
    setScheduledAt: PropTypes.func.isRequired,
    replyToId: PropTypes.string,
    hasPoll: PropTypes.bool,
  };

  static defaultProps = {
    showSearch: false,
  };

  handleChange = (e, markdown) => {
    this.props.onChange(e.target.value, markdown);
  }

  handleComposeFocus = () => {
    this.setState({
      composeFocused: true,
    });
  }

  handleKeyDown = (e) => {
    if (e.keyCode === 13 && (e.ctrlKey || e.metaKey)) {
      this.handleSubmit();
    }
  }

  handleClick = (e) => {
    if (!this.form) return false;
    if (e.target) {
      if (e.target.classList.contains('react-datepicker__time-list-item')) return false
    }
    if (!this.form.contains(e.target)) {
      this.handleClickOutside();
    }
  }

  handleClickOutside = () => {
    const { shouldCondense, scheduledAt, text, isModalOpen } = this.props;
    const condensed = shouldCondense && !text;
    if (condensed && scheduledAt && !isModalOpen) { //Reset scheduled date if condensing
      this.props.setScheduledAt(null);
    }

    this.setState({
      composeFocused: false,
    });
  }

  handleSubmit = () => {
    // if (this.props.text !== this.autosuggestTextarea.textbox.value) {
    //   // Something changed the text inside the textarea (e.g. browser extensions like Grammarly)
    //   // Update the state to match the current text
    //   this.props.onChange(this.autosuggestTextarea.textbox.value);
    // }

    // Submit disabled:
    const { isSubmitting, isChangingUpload, isUploading, anyMedia } = this.props;
    const fulltext = [this.props.spoilerText, countableText(this.props.text)].join('');

    if (isSubmitting || isUploading || isChangingUpload || length(fulltext) > maxPostCharacterCount || (fulltext.length !== 0 && fulltext.trim().length === 0 && !anyMedia)) {
      return;
    }

    this.props.onSubmit(this.context.router ? this.context.router.history : null, this.props.group);
  }

  onSuggestionsClearRequested = () => {
    this.props.onClearSuggestions();
  }

  onSuggestionsFetchRequested = (token) => {
    this.props.onFetchSuggestions(token);
  }

  onSuggestionSelected = (tokenStart, token, value) => {
    this.props.onSuggestionSelected(tokenStart, token, value, ['text']);
  }

  onSpoilerSuggestionSelected = (tokenStart, token, value) => {
    this.props.onSuggestionSelected(tokenStart, token, value, ['spoiler_text']);
  }

  handleChangeSpoilerText = (e) => {
    this.props.onChangeSpoilerText(e.target.value);
  }

  componentDidMount() {
    document.addEventListener('click', this.handleClick, false);
  }

  componentWillUnmount() {
    document.removeEventListener('click', this.handleClick, false);
  }

  componentDidUpdate(prevProps) {
    if (!this.autosuggestTextarea) return;

    // This statement does several things:
    // - If we're beginning a reply, and,
    //     - Replying to zero or one users, places the cursor at the end of the textbox.
    //     - Replying to more than one user, selects any usernames past the first;
    //       this provides a convenient shortcut to drop everyone else from the conversation.
    if (this.props.focusDate !== prevProps.focusDate) {
      let selectionEnd, selectionStart;

      if (this.props.preselectDate !== prevProps.preselectDate) {
        selectionEnd = this.props.text.length;
        selectionStart = this.props.text.search(/\s/) + 1;
      } else if (typeof this.props.caretPosition === 'number') {
        selectionStart = this.props.caretPosition;
        selectionEnd = this.props.caretPosition;
      } else {
        selectionEnd = this.props.text.length;
        selectionStart = selectionEnd;
      }

      // this.autosuggestTextarea.textbox.setSelectionRange(selectionStart, selectionEnd);
    // this.autosuggestTextarea.textbox.focus();
    }
  }

  setAutosuggestTextarea = (c) => {
    this.autosuggestTextarea = c;
  }

  setForm = (c) => {
    this.form = c
  }

  setSpoilerText = (c) => {
    this.spoilerText = c
  }

  handleEmojiPick = (data) => {
    const { text } = this.props
    const position = this.autosuggestTextarea.textbox.selectionStart
    const needsSpace = data.custom && position > 0 && !allowedAroundShortCode.includes(text[position - 1])

    this.props.onPickEmoji(position, data, needsSpace)
  }

  render() {
    const {
      intl,
      account,
      onPaste,
      showSearch,
      anyMedia,
      shouldCondense,
      autoFocus,
      isModalOpen,
      quoteOfId,
      edit,
      scheduledAt,
      spoiler,
      replyToId,
      hasPoll,
      isUploading,
      isMatch,
    } = this.props
    const disabled = this.props.isSubmitting;
    const text = [this.props.spoilerText, countableText(this.props.text)].join('');
    const disabledButton = disabled || isUploading || this.props.isChangingUpload || length(text) > maxPostCharacterCount || (text.length !== 0 && text.trim().length === 0 && !anyMedia);
    const shouldAutoFocus = autoFocus && !showSearch && !isMobile(window.innerWidth)

    const parentContainerClasses = cx({
      default: 1,
      width100PC: 1,
      flexRow: !shouldCondense,
      pb10: !shouldCondense,
    })

    const childContainerClasses = cx({
      default: 1,
      flexWrap: 1,
      overflowHidden: 1,
      flex1: 1,
      alignItemsEnd: shouldCondense,
      flexRow: shouldCondense,
      radiusSmall: shouldCondense,
      backgroundSubtle: shouldCondense,
      px5: shouldCondense,
    })

    const actionsContainerClasses = cx({
      default: 1,
      flexRow: 1,
      alignItemsCenter: !shouldCondense,
      alignItemsStart: shouldCondense,
      mt10: !shouldCondense,
      px15: !shouldCondense,
      marginLeftAuto: shouldCondense,
    })

    return (
      <div className={parentContainerClasses}>
        <div className={[_s.default, _s.flexRow, _s.width100PC].join(' ')}>
          {
            shouldCondense &&
            <div className={[_s.default, _s.mr10, _s.mt5].join(' ')}>
              <Avatar account={account} size={28} />
            </div>
          }

          <div
            className={childContainerClasses}
            ref={this.setForm}
            onClick={this.handleClick}
          >

            {
              !!spoiler &&
              <div className={[_s.default, _s.px15, _s.py10, _s.borderBottom1PX, _s.borderColorSecondary].join(' ')}>
                <AutosuggestTextbox
                  placeholder={intl.formatMessage(messages.spoiler_placeholder)}
                  value={this.props.spoilerText}
                  onChange={this.handleChangeSpoilerText}
                  onKeyDown={this.handleKeyDown}
                  disabled={!this.props.spoiler}
                  ref={this.setSpoilerText}
                  suggestions={this.props.suggestions}
                  onSuggestionsFetchRequested={this.onSuggestionsFetchRequested}
                  onSuggestionsClearRequested={this.onSuggestionsClearRequested}
                  onSuggestionSelected={this.onSpoilerSuggestionSelected}
                  searchTokens={[':']}
                  prependIcon='warning'
                  id='cw-spoiler-input'
                />
              </div>
            }

            <AutosuggestTextbox
              ref={(isModalOpen && shouldCondense) ? null : this.setAutosuggestTextarea}
              placeholder={intl.formatMessage(shouldCondense ? messages.commentPlaceholder : messages.placeholder)}
              disabled={disabled}
              value={this.props.text}
              onChange={this.handleChange}
              suggestions={this.props.suggestions}
              onKeyDown={this.handleKeyDown}
              onFocus={this.handleComposeFocus}
              onSuggestionsFetchRequested={this.onSuggestionsFetchRequested}
              onSuggestionsClearRequested={this.onSuggestionsClearRequested}
              onSuggestionSelected={this.onSuggestionSelected}
              onPaste={onPaste}
              autoFocus={shouldAutoFocus}
              small={shouldCondense}
              textarea
            />

            {
              (isUploading || anyMedia) &&
              <div className={[_s.default, _s.px15, _s.mt5].join(' ')}>
                <UploadForm replyToId={replyToId} />
              </div>
            }

            { /* : todo : for gif
              (isUploading || hasGif) &&
              <div className={[_s.default, _s.px15].join(' ')}>
                <UploadForm replyToId={replyToId} />
              </div>
             */
            }

            {
              !edit && hasPoll &&
              <div className={[_s.default, _s.px15, _s.mt5].join(' ')}>
                <PollFormContainer replyToId={replyToId} />
              </div>
            }

            {
              quoteOfId &&
              <div className={[_s.default, _s.px15, _s.py10, _s.mt5].join(' ')}>
                <StatusContainer
                  id={quoteOfId}
                  isChild
                />
              </div>
            }

            <div className={actionsContainerClasses}>
              <div className={[_s.default, _s.flexRow, _s.marginRightAuto].join(' ')}>
                {
                  !shouldCondense &&
                  <RichTextEditorButton />
                }
                <UploadButton small={shouldCondense} />
                {
                  !edit && !shouldCondense &&
                  <PollButton />
                }
                {
                  !shouldCondense &&
                  <StatusVisibilityButton />
                }
                {
                  !shouldCondense &&
                  <SpoilerButton />
                }
                {
                  !shouldCondense &&
                  <SchedulePostButton />
                }
                <GifSelectorButton small={shouldCondense} />
                <EmojiPickerButton small={shouldCondense} isMatch={isMatch} />

                {
                  shouldCondense /* && (hasPoll || anyMedia || text) */ &&
                  <div className={[_s.default, _s.justifyContentCenter].join(' ')}>
                    <Button
                      narrow
                      onClick={this.handleSubmit}
                      disabled={disabledButton}
                      className={_s.px10}
                    >
                      {intl.formatMessage(scheduledAt ? messages.schedulePost : messages.publish)}
                    </Button>
                  </div>
                }
              </div>

              {
                !shouldCondense &&
                <CharacterCounter max={maxPostCharacterCount} text={text} />
              }

              { /* : todo : show send on shouldCondense if any text */
                !shouldCondense &&
                <Button
                  className={[_s.fontSize15PX, _s.px15].join(' ')}
                  onClick={this.handleSubmit}
                  disabled={disabledButton}
                >
                  {intl.formatMessage(scheduledAt ? messages.schedulePost : messages.publish)}
                </Button>
              }
            </div>

          </div>
        </div>
      </div>
    )
  }

}