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// Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
import AtMentionProvider from './suggestion/at_mention_provider.jsx';
import CommandProvider from './suggestion/command_provider.jsx';
import SuggestionList from './suggestion/suggestion_list.jsx';
import SuggestionBox from './suggestion/suggestion_box.jsx';
import ErrorStore from '../stores/error_store.jsx';
import * as TextFormatting from '../utils/text_formatting.jsx';
import * as Utils from '../utils/utils.jsx';
import Constants from '../utils/constants.jsx';
const PreReleaseFeatures = Constants.PRE_RELEASE_FEATURES;
export default class Textbox extends React.Component {
constructor(props) {
super(props);
this.getStateFromStores = this.getStateFromStores.bind(this);
this.onRecievedError = this.onRecievedError.bind(this);
this.handleKeyPress = this.handleKeyPress.bind(this);
this.handleKeyDown = this.handleKeyDown.bind(this);
this.resize = this.resize.bind(this);
this.handleFocus = this.handleFocus.bind(this);
this.handleBlur = this.handleBlur.bind(this);
this.showPreview = this.showPreview.bind(this);
this.state = {
connection: ''
};
this.suggestionProviders = [new AtMentionProvider()];
if (props.supportsCommands) {
this.suggestionProviders.push(new CommandProvider());
}
}
getStateFromStores() {
const error = ErrorStore.getLastError();
if (error) {
return {message: error.message};
}
return {message: null};
}
componentDidMount() {
ErrorStore.addChangeListener(this.onRecievedError);
this.resize();
}
componentWillUnmount() {
ErrorStore.removeChangeListener(this.onRecievedError);
}
onRecievedError() {
const errorState = ErrorStore.getLastError();
if (errorState && errorState.connErrorCount > 0) {
this.setState({connection: 'bad-connection'});
} else {
this.setState({connection: ''});
}
}
componentDidUpdate() {
this.resize();
}
handleKeyPress(e) {
this.props.onKeyPress(e);
}
handleKeyDown(e) {
if (this.props.onKeyDown) {
this.props.onKeyDown(e);
}
}
resize() {
const e = this.refs.message.getTextbox();
const w = ReactDOM.findDOMNode(this.refs.wrapper);
const prevHeight = $(e).height();
const lht = parseInt($(e).css('lineHeight'), 10);
const lines = e.scrollHeight / lht;
let mod = 15;
if (lines < 2.5 || this.props.messageText === '') {
mod = 30;
}
if (e.scrollHeight - mod < 167) {
$(e).css({height: 'auto', 'overflow-y': 'hidden'}).height(e.scrollHeight - mod);
$(w).css({height: 'auto'}).height(e.scrollHeight + 2);
$(w).closest('.post-body__cell').removeClass('scroll');
if (this.state.preview) {
$(ReactDOM.findDOMNode(this.refs.preview)).css({height: 'auto', 'overflow-y': 'auto'}).height(e.scrollHeight - mod);
}
} else {
$(e).css({height: 'auto', 'overflow-y': 'scroll'}).height(167 - mod);
$(w).css({height: 'auto'}).height(163);
$(w).closest('.post-body__cell').addClass('scroll');
if (this.state.preview) {
$(ReactDOM.findDOMNode(this.refs.preview)).css({height: 'auto', 'overflow-y': 'scroll'}).height(163);
}
}
if (prevHeight !== $(e).height() && this.props.onHeightChange) {
this.props.onHeightChange();
}
}
handleFocus() {
const elm = this.refs.message.getTextbox();
if (elm.title === elm.value) {
elm.value = '';
}
}
handleBlur() {
const elm = this.refs.message.getTextbox();
if (elm.value === '') {
elm.value = elm.title;
}
}
showPreview(e) {
e.preventDefault();
e.target.blur();
this.setState({preview: !this.state.preview});
this.resize();
}
showHelp(e) {
e.preventDefault();
e.target.blur();
global.window.open('/docs/Messaging');
}
render() {
let previewLink = null;
if (Utils.isFeatureEnabled(PreReleaseFeatures.MARKDOWN_PREVIEW)) {
const previewLinkVisible = this.props.messageText.length > 0;
previewLink = (
<a
style={{visibility: previewLinkVisible ? 'visible' : 'hidden'}}
onClick={this.showPreview}
className='textbox-preview-link'
>
{this.state.preview ? 'Edit message' : 'Preview'}
</a>
);
}
return (
<div
ref='wrapper'
className='textarea-wrapper'
>
<SuggestionBox
id={this.props.id}
ref='message'
className={`form-control custom-textarea ${this.state.connection}`}
type='textarea'
spellCheck='true'
autoComplete='off'
autoCorrect='off'
rows='1'
maxLength={Constants.MAX_POST_LEN}
placeholder={this.props.createMessage}
value={this.props.messageText}
onUserInput={this.props.onUserInput}
onKeyPress={this.handleKeyPress}
onKeyDown={this.handleKeyDown}
onFocus={this.handleFocus}
onBlur={this.handleBlur}
onPaste={this.handlePaste}
style={{visibility: this.state.preview ? 'hidden' : 'visible'}}
listComponent={SuggestionList}
providers={this.suggestionProviders}
/>
<div
ref='preview'
className='form-control custom-textarea textbox-preview-area'
style={{display: this.state.preview ? 'block' : 'none'}}
dangerouslySetInnerHTML={{__html: this.state.preview ? TextFormatting.formatText(this.props.messageText) : ''}}
>
</div>
{previewLink}
<a
onClick={this.showHelp}
className='textbox-help-link'
>
{'Help'}
</a>
</div>
);
}
}
Textbox.defaultProps = {
supportsCommands: true
};
Textbox.propTypes = {
id: React.PropTypes.string.isRequired,
channelId: React.PropTypes.string,
messageText: React.PropTypes.string.isRequired,
onUserInput: React.PropTypes.func.isRequired,
onKeyPress: React.PropTypes.func.isRequired,
onHeightChange: React.PropTypes.func,
createMessage: React.PropTypes.string.isRequired,
onKeyDown: React.PropTypes.func,
supportsCommands: React.PropTypes.bool.isRequired
};
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