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// Copyright (c) 2016 Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
import $ from 'jquery';
import ReactDOM from 'react-dom';
import * as UserAgent from 'utils/user_agent.jsx';
import {localizeMessage} from 'utils/utils.jsx';
import {FormattedMessage} from 'react-intl';
import React from 'react';
import loadingGif from 'images/load.gif';
export default class FilteredChannelList extends React.Component {
constructor(props) {
super(props);
this.handleFilterChange = this.handleFilterChange.bind(this);
this.createChannelRow = this.createChannelRow.bind(this);
this.filterChannels = this.filterChannels.bind(this);
this.state = {
filter: '',
joiningChannel: '',
channels: this.filterChannels(props.channels)
};
}
componentWillReceiveProps(nextProps) {
// assume the channel list is immutable
if (this.props.channels !== nextProps.channels) {
this.setState({
channels: this.filterChannels(nextProps.channels)
});
}
}
componentDidMount() {
// only focus the search box on desktop so that we don't cause the keyboard to open on mobile
if (!UserAgent.isMobile()) {
ReactDOM.findDOMNode(this.refs.filter).focus();
}
}
componentDidUpdate(prevProps, prevState) {
if (prevState.filter !== this.state.filter) {
$(ReactDOM.findDOMNode(this.refs.channelList)).scrollTop(0);
}
}
handleJoin(channel) {
this.setState({joiningChannel: channel.id});
this.props.handleJoin(
channel,
() => {
this.setState({joiningChannel: ''});
});
}
createChannelRow(channel) {
let joinButton;
if (this.state.joiningChannel === channel.id) {
joinButton = (
<img
className='join-channel-loading-gif'
src={loadingGif}
/>
);
} else {
joinButton = (
<button
onClick={this.handleJoin.bind(this, channel)}
className='btn btn-primary'
>
<FormattedMessage
id='more_channels.join'
defaultMessage='Join'
/>
</button>
);
}
return (
<div
className='more-modal__row'
key={channel.id}
>
<div className='more-modal__details'>
<p className='more-modal__name'>{channel.display_name}</p>
<p className='more-modal__description'>{channel.purpose}</p>
</div>
<div className='more-modal__actions'>
{joinButton}
</div>
</div>
);
}
filterChannels(channels) {
if (!this.state || !this.state.filter) {
return channels;
}
return channels.filter((chan) => {
const filter = this.state.filter.toLowerCase();
return Boolean((chan.name.toLowerCase().indexOf(filter) !== -1 || chan.display_name.toLowerCase().indexOf(filter) !== -1) && chan.delete_at === 0);
});
}
handleFilterChange(e) {
this.setState({
filter: e.target.value
});
}
render() {
let channels = this.state.channels;
if (this.state.filter && this.state.filter.length > 0) {
channels = this.filterChannels(channels);
}
let count;
if (channels.length === this.props.channels.length) {
count = (
<FormattedMessage
id='filtered_channels_list.count'
defaultMessage='{count} {count, plural, =0 {0 channels} one {channel} other {channels}}'
values={{
count: channels.length
}}
/>
);
} else {
count = (
<FormattedMessage
id='filtered_channels_list.countTotal'
defaultMessage='{count} {count, plural, =0 {0 channels} one {channel} other {channels}} of {total} Total'
values={{
count: channels.length,
total: this.props.channels.length
}}
/>
);
}
return (
<div className='filtered-user-list'>
<div className='filter-row'>
<div className='col-sm-6'>
<input
ref='filter'
className='form-control filter-textbox'
placeholder={localizeMessage('filtered_channels_list.search', 'Search channels')}
onInput={this.handleFilterChange}
/>
</div>
<div className='col-sm-12'>
<span className='channel-count pull-left'>{count}</span>
</div>
</div>
<div
ref='channelList'
className='more-modal__list'
>
{channels.map(this.createChannelRow)}
</div>
</div>
);
}
}
FilteredChannelList.defaultProps = {
channels: []
};
FilteredChannelList.propTypes = {
channels: React.PropTypes.arrayOf(React.PropTypes.object),
handleJoin: React.PropTypes.func.isRequired
};
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