app/javascript/mastodon/features/compose/components/upload.js

   1 import React from 'react';
   2 import ImmutablePropTypes from 'react-immutable-proptypes';
   3 import PropTypes from 'prop-types';
   4 import IconButton from '../../../components/icon_button';
   5 import Motion from '../../ui/util/optional_motion';
   6 import spring from 'react-motion/lib/spring';
   7 import ImmutablePureComponent from 'react-immutable-pure-component';
   8 import { defineMessages, injectIntl } from 'react-intl';
   9 import classNames from 'classnames';
  10
  11 const messages = defineMessages({
  12   undo: { id: 'upload_form.undo', defaultMessage: 'Undo' },
  13   description: { id: 'upload_form.description', defaultMessage: 'Describe for the visually impaired' },
  14 });
  15
  16 @injectIntl
  17 export default class Upload extends ImmutablePureComponent {
  18
  19   static propTypes = {
  20     media: ImmutablePropTypes.map.isRequired,
  21     intl: PropTypes.object.isRequired,
  22     onUndo: PropTypes.func.isRequired,
  23     onDescriptionChange: PropTypes.func.isRequired,
  24   };
  25
  26   state = {
  27     hovered: false,
  28     focused: false,
  29     dirtyDescription: null,
  30   };
  31
  32   handleUndoClick = () => {
  33     this.props.onUndo(this.props.media.get('id'));
  34   }
  35
  36   handleInputChange = e => {
  37     this.setState({ dirtyDescription: e.target.value });
  38   }
  39
  40   handleMouseEnter = () => {
  41     this.setState({ hovered: true });
  42   }
  43
  44   handleMouseLeave = () => {
  45     this.setState({ hovered: false });
  46   }
  47
  48   handleInputFocus = () => {
  49     this.setState({ focused: true });
  50   }
  51
  52   handleInputBlur = () => {
  53     const { dirtyDescription } = this.state;
  54
  55     this.setState({ focused: false, dirtyDescription: null });
  56
  57     if (dirtyDescription !== null) {
  58       this.props.onDescriptionChange(this.props.media.get('id'), dirtyDescription);
  59     }
  60   }
  61
  62   render () {
  63     const { intl, media } = this.props;
  64     const active          = this.state.hovered || this.state.focused;
  65     const description     = this.state.dirtyDescription || media.get('description') || '';
  66
  67     return (
  68       <div className='compose-form__upload' onMouseEnter={this.handleMouseEnter} onMouseLeave={this.handleMouseLeave}>
  69         <Motion defaultStyle={{ scale: 0.8 }} style={{ scale: spring(1, { stiffness: 180, damping: 12 }) }}>
  70           {({ scale }) => (
  71             <div className='compose-form__upload-thumbnail' style={{ transform: `scale(${scale})`, backgroundImage: `url(${media.get('preview_url')})` }}>
  72               <IconButton icon='times' title={intl.formatMessage(messages.undo)} size={36} onClick={this.handleUndoClick} />
  73
  74               <div className={classNames('compose-form__upload-description', { active })}>
  75                 <label>
  76                   <span style={{ display: 'none' }}>{intl.formatMessage(messages.description)}</span>
  77
  78                   <input
  79                     placeholder={intl.formatMessage(messages.description)}
  80                     type='text'
  81                     value={description}
  82                     maxLength={420}
  83                     onFocus={this.handleInputFocus}
  84                     onChange={this.handleInputChange}
  85                     onBlur={this.handleInputBlur}
  86                   />
  87                 </label>
  88               </div>
  89             </div>
  90           )}
  91         </Motion>
  92       </div>
  93     );
  94   }
  95
  96 }