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// Copyright (c) 2016 Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
import React from 'react';
import * as TextFormatting from 'utils/text_formatting.jsx';
import * as Utils from 'utils/utils.jsx';
export default class PostMessageView extends React.Component {
static propTypes = {
options: React.PropTypes.object.isRequired,
message: React.PropTypes.string.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
};
shouldComponentUpdate(nextProps) {
if (!Utils.areObjectsEqual(nextProps.options, this.props.options)) {
return true;
}
if (nextProps.message !== this.props.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;
}
render() {
if (!this.props.enableFormatting) {
return <span>{this.props.message}</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
});
return (
<span
onClick={Utils.handleFormattedTextClick}
dangerouslySetInnerHTML={{__html: TextFormatting.formatText(this.props.message, options)}}
/>
);
}
}
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