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

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import React from 'react';
import ImmutablePropTypes from 'react-immutable-proptypes';
import PropTypes from 'prop-types';
import Motion from '../../ui/util/optional_motion';
import spring from 'react-motion/lib/spring';
import ImmutablePureComponent from 'react-immutable-pure-component';
import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
import classNames from 'classnames';
const messages = defineMessages({
description: { id: 'upload_form.description', defaultMessage: 'Describe for the visually impaired' },
});
@injectIntl
export default class Upload extends ImmutablePureComponent {
static propTypes = {
media: ImmutablePropTypes.map.isRequired,
intl: PropTypes.object.isRequired,
onUndo: PropTypes.func.isRequired,
onDescriptionChange: PropTypes.func.isRequired,
onOpenFocalPoint: PropTypes.func.isRequired,
};
state = {
hovered: false,
focused: false,
dirtyDescription: null,
};
handleUndoClick = () => {
this.props.onUndo(this.props.media.get('id'));
}
handleFocalPointClick = () => {
this.props.onOpenFocalPoint(this.props.media.get('id'));
}
handleInputChange = e => {
this.setState({ dirtyDescription: e.target.value });
}
handleMouseEnter = () => {
this.setState({ hovered: true });
}
handleMouseLeave = () => {
this.setState({ hovered: false });
}
handleInputFocus = () => {
this.setState({ focused: true });
}
handleInputBlur = () => {
const { dirtyDescription } = this.state;
this.setState({ focused: false, dirtyDescription: null });
if (dirtyDescription !== null) {
this.props.onDescriptionChange(this.props.media.get('id'), dirtyDescription);
}
}
render () {
const { intl, media } = this.props;
const active = this.state.hovered || this.state.focused;
const description = this.state.dirtyDescription || (this.state.dirtyDescription !== '' && media.get('description')) || '';
const focusX = media.getIn(['meta', 'focus', 'x']);
const focusY = media.getIn(['meta', 'focus', 'y']);
const x = ((focusX / 2) + .5) * 100;
const y = ((focusY / -2) + .5) * 100;
return (
<div className='compose-form__upload' onMouseEnter={this.handleMouseEnter} onMouseLeave={this.handleMouseLeave}>
<Motion defaultStyle={{ scale: 0.8 }} style={{ scale: spring(1, { stiffness: 180, damping: 12 }) }}>
{({ scale }) => (
<div className='compose-form__upload-thumbnail' style={{ transform: `scale(${scale})`, backgroundImage: `url(${media.get('preview_url')})`, backgroundPosition: `${x}% ${y}%` }}>
<div className={classNames('compose-form__upload__actions', { active })}>
<button className='icon-button' onClick={this.handleUndoClick}><i className='fa fa-times' /> <FormattedMessage id='upload_form.undo' defaultMessage='Undo' /></button>
{media.get('type') === 'image' && <button className='icon-button' onClick={this.handleFocalPointClick}><i className='fa fa-crosshairs' /> <FormattedMessage id='upload_form.focus' defaultMessage='Crop' /></button>}
</div>
<div className={classNames('compose-form__upload-description', { active })}>
<label>
<span style={{ display: 'none' }}>{intl.formatMessage(messages.description)}</span>
<input
placeholder={intl.formatMessage(messages.description)}
type='text'
value={description}
maxLength={420}
onFocus={this.handleInputFocus}
onChange={this.handleInputChange}
onBlur={this.handleInputBlur}
/>
</label>
</div>
</div>
)}
</Motion>
</div>
);
}
}