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// Package imports.
import classNames from 'classnames';
import PropTypes from 'prop-types';
import React from 'react';
import {
FormattedMessage,
defineMessages,
} from 'react-intl';
import spring from 'react-motion/lib/spring';
// Components.
import IconButton from 'flavours/glitch/components/icon_button';
// Utils.
import Motion from 'flavours/glitch/util/optional_motion';
import { assignHandlers } from 'flavours/glitch/util/react_helpers';
// Messages.
const messages = defineMessages({
undo: {
defaultMessage: 'Undo',
id: 'upload_form.undo',
},
description: {
defaultMessage: 'Describe for the visually impaired',
id: 'upload_form.description',
},
});
// Handlers.
const handlers = {
// On blur, we save the description for the media item.
handleBlur () {
const {
id,
onChangeDescription,
} = this.props;
const { dirtyDescription } = this.state;
if (id && onChangeDescription && dirtyDescription !== null) {
this.setState({
dirtyDescription: null,
focused: false,
});
onChangeDescription(id, dirtyDescription);
}
},
// When the value of our description changes, we store it in the
// temp value `dirtyDescription` in our state.
handleChange ({ target: { value } }) {
this.setState({ dirtyDescription: value });
},
// Records focus on the media item.
handleFocus () {
this.setState({ focused: true });
},
// Records the start of a hover over the media item.
handleMouseEnter () {
this.setState({ hovered: true });
},
// Records the end of a hover over the media item.
handleMouseLeave () {
this.setState({ hovered: false });
},
// Removes the media item.
handleRemove () {
const {
id,
onRemove,
} = this.props;
if (id && onRemove) {
onRemove(id);
}
},
};
// The component.
export default class ComposerUploadFormItem extends React.PureComponent {
// Constructor.
constructor (props) {
super(props);
assignHandlers(this, handlers);
this.state = {
hovered: false,
focused: false,
dirtyDescription: null,
};
}
// Rendering.
render () {
const {
handleBlur,
handleChange,
handleFocus,
handleMouseEnter,
handleMouseLeave,
handleRemove,
} = this.handlers;
const {
description,
intl,
preview,
} = this.props;
const {
focused,
hovered,
dirtyDescription,
} = this.state;
const computedClass = classNames('composer--upload_form--item', { active: hovered || focused });
// The result.
return (
<div
className={computedClass}
onMouseEnter={handleMouseEnter}
onMouseLeave={handleMouseLeave}
>
<Motion
defaultStyle={{ scale: 0.8 }}
style={{
scale: spring(1, {
stiffness: 180,
damping: 12,
}),
}}
>
{({ scale }) => (
<div
style={{
transform: `scale(${scale})`,
backgroundImage: preview ? `url(${preview})` : null,
}}
>
<IconButton
className='close'
icon='times'
onClick={handleRemove}
size={36}
title={intl.formatMessage(messages.undo)}
/>
<label>
<span style={{ display: 'none' }}><FormattedMessage {...messages.description} /></span>
<input
maxLength={420}
onBlur={handleBlur}
onChange={handleChange}
onFocus={handleFocus}
placeholder={intl.formatMessage(messages.description)}
type='text'
value={dirtyDescription || description || ''}
/>
</label>
</div>
)}
</Motion>
</div>
);
}
}
// Props.
ComposerUploadFormItem.propTypes = {
description: PropTypes.string,
id: PropTypes.string,
intl: PropTypes.object.isRequired,
onChangeDescription: PropTypes.func,
onRemove: PropTypes.func,
preview: PropTypes.string,
};
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