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// Copyright (c) 2016 Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
import React from 'react';
import {FormattedMessage} from 'react-intl';
import * as TextFormatting from 'utils/text_formatting.jsx';
import * as Utils from 'utils/utils.jsx';
import * as PostUtils from 'utils/post_utils.jsx';
export default class PostMessageView extends React.Component {
static propTypes = {
options: React.PropTypes.object.isRequired,
post: React.PropTypes.object.isRequired,
emojis: React.PropTypes.object.isRequired,
enableFormatting: React.PropTypes.bool.isRequired,
mentionKeys: React.PropTypes.arrayOf(React.PropTypes.string).isRequired,
usernameMap: React.PropTypes.object.isRequired,
channelNamesMap: React.PropTypes.object.isRequired,
team: React.PropTypes.object.isRequired
};
shouldComponentUpdate(nextProps) {
if (!Utils.areObjectsEqual(nextProps.options, this.props.options)) {
return true;
}
if (nextProps.post.message !== this.props.post.message) {
return true;
}
// emojis are immutable
if (nextProps.emojis !== this.props.emojis) {
return true;
}
if (nextProps.enableFormatting !== this.props.enableFormatting) {
return true;
}
if (!Utils.areObjectsEqual(nextProps.mentionKeys, this.props.mentionKeys)) {
return true;
}
// Don't check if props.usernameMap changes since it is very large and inefficient to do so.
// This mimics previous behaviour, but could be changed if we decide it's worth it.
// The same choice (and reasoning) is also applied to the this.props.channelNamesMap.
return false;
}
editedIndicator() {
return (
PostUtils.isEdited(this.props.post) ?
<span className='edited'>
<FormattedMessage
id='post_message_view.edited'
defaultMessage='(edited)'
/>
</span> :
''
);
}
render() {
if (!this.props.enableFormatting) {
return (
<span>
{this.props.post.message}
{this.editedIndicator()}
</span>
);
}
const options = Object.assign({}, this.props.options, {
emojis: this.props.emojis,
siteURL: Utils.getSiteURL(),
mentionKeys: this.props.mentionKeys,
usernameMap: this.props.usernameMap,
channelNamesMap: this.props.channelNamesMap,
team: this.props.team
});
return (
<div>
<span
onClick={Utils.handleFormattedTextClick}
dangerouslySetInnerHTML={{__html: TextFormatting.formatText(this.props.post.message, options)}}
/>
{this.editedIndicator()}
</div>
);
}
}
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