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// Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
import SuggestionStore from 'stores/suggestion_store.jsx';
import * as Emoticons from 'utils/emoticons.jsx';
const MAX_EMOTICON_SUGGESTIONS = 40;
import React from 'react';
class EmoticonSuggestion extends React.Component {
render() {
const text = this.props.term;
const emoticon = this.props.item;
let className = 'emoticon-suggestion';
if (this.props.isSelection) {
className += ' suggestion--selected';
}
return (
<div
className={className}
onClick={this.props.onClick}
>
<div className='pull-left'>
<img
alt={text}
className='emoticon-suggestion__image'
src={emoticon.path}
title={text}
/>
</div>
<div className='pull-left'>
{text}
</div>
</div>
);
}
}
EmoticonSuggestion.propTypes = {
item: React.PropTypes.object.isRequired,
term: React.PropTypes.string.isRequired,
isSelection: React.PropTypes.bool,
onClick: React.PropTypes.func
};
export default class EmoticonProvider {
handlePretextChanged(suggestionId, pretext) {
const captured = (/(?:^|\s)(:([a-zA-Z0-9_+\-]*))$/g).exec(pretext);
if (captured) {
const text = captured[1];
const partialName = captured[2];
const matched = [];
for (const [name, emoticon] of Emoticons.getEmoticonsByName()) {
if (name.indexOf(partialName) !== -1) {
matched.push(emoticon);
if (matched.length >= MAX_EMOTICON_SUGGESTIONS) {
break;
}
}
}
// sort the emoticons so that emoticons starting with the entered text come first
matched.sort((a, b) => {
const aPrefix = a.alias.startsWith(partialName);
const bPrefix = b.alias.startsWith(partialName);
if (aPrefix === bPrefix) {
return a.alias.localeCompare(b.alias);
} else if (aPrefix) {
return -1;
}
return 1;
});
const terms = matched.map((emoticon) => ':' + emoticon.alias + ':');
if (terms.length > 0) {
SuggestionStore.setMatchedPretext(suggestionId, text);
SuggestionStore.addSuggestions(suggestionId, terms, matched, EmoticonSuggestion);
// force the selection to be cleared since the order of elements may have changed
SuggestionStore.clearSelection(suggestionId);
}
}
}
}
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