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// Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
const ChannelStore = require('../stores/channel_store.jsx');
const UserStore = require('../stores/user_store.jsx');
const Utils = require('../utils/utils.jsx');
const patterns = {
channels: /\b(?:in|channel):\s*(\S*)$/i,
users: /\bfrom:\s*(\S*)$/i
};
export default class SearchAutocomplete extends React.Component {
constructor(props) {
super(props);
this.handleClick = this.handleClick.bind(this);
this.handleDocumentClick = this.handleDocumentClick.bind(this);
this.handleInputChange = this.handleInputChange.bind(this);
this.state = {
show: false,
mode: '',
filter: ''
};
}
componentDidMount() {
$(document).on('click', this.handleDocumentClick);
}
componentWillUnmount() {
$(document).off('click', this.handleDocumentClick);
}
handleClick(value) {
this.props.completeWord(this.state.filter, value);
this.setState({
show: false,
mode: '',
filter: ''
});
}
handleDocumentClick(e) {
const container = $(ReactDOM.findDOMNode(this.refs.container));
if (!(container.is(e.target) || container.has(e.target).length > 0)) {
this.setState({
show: false
});
}
}
handleInputChange(textbox, text) {
const caret = Utils.getCaretPosition(textbox);
const preText = text.substring(0, caret);
let mode = '';
let filter = '';
for (const pattern in patterns) {
const result = patterns[pattern].exec(preText);
if (result) {
mode = pattern;
filter = result[1];
break;
}
}
this.setState({
mode,
filter,
show: mode || filter
});
}
render() {
if (!this.state.show) {
return null;
}
let suggestions = [];
if (this.state.mode === 'channels') {
let channels = ChannelStore.getAll();
if (this.state.filter) {
channels = channels.filter((channel) => channel.name.startsWith(this.state.filter));
}
suggestions = channels.map((channel) => {
return (
<div
key={channel.id}
onClick={this.handleClick.bind(this, channel.name)}
>
{channel.name}
</div>
);
});
} else if (this.state.mode === 'users') {
let users = UserStore.getActiveOnlyProfileList();
if (this.state.filter) {
users = users.filter((user) => user.username.startsWith(this.state.filter));
}
suggestions = users.map((user) => {
return (
<div
key={user.id}
onClick={this.handleClick.bind(this, user.username)}
>
{user.username}
</div>
);
});
}
if (suggestions.length === 0) {
return null;
}
return (
<div
ref='container'
style={{overflow: 'visible', position: 'absolute', zIndex: '100', background: 'yellow'}}
>
{suggestions}
</div>
);
}
}
SearchAutocomplete.propTypes = {
completeWord: React.PropTypes.func.isRequired
};
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