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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 EmoticonProvider from './suggestion/emoticon_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';
import {FormattedMessage} from 'mm-intl';
const PreReleaseFeatures = Constants.PRE_RELEASE_FEATURES;
export default class Textbox extends React.Component {
constructor(props) {
super(props);
this.focus = this.focus.bind(this);
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.showPreview = this.showPreview.bind(this);
this.state = {
connection: ''
};
this.suggestionProviders = [new AtMentionProvider(), new EmoticonProvider()];
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 errorCount = ErrorStore.getConnectionErrorCount();
if (errorCount > 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);
}
}
focus() {
this.refs.message.getTextbox().focus();
}
resize() {
const textbox = this.refs.message.getTextbox();
const $textbox = $(textbox);
const $wrapper = $(ReactDOM.findDOMNode(this.refs.wrapper));
const padding = parseInt($textbox.css('padding-bottom'), 10) + parseInt($textbox.css('padding-top'), 10);
const borders = parseInt($textbox.css('border-bottom-width'), 10) + parseInt($textbox.css('border-top-width'), 10);
const maxHeight = parseInt($textbox.css('max-height'), 10) - borders;
// set the height to auto and remove the scrollbar so we can get the actual size of the contents
$textbox.css('height', 'auto').css('overflow-y', 'hidden');
let height = textbox.scrollHeight - padding;
if (height + padding > maxHeight) {
height = maxHeight - padding;
// turn scrollbar on and move over attachment icon to compensate for that
$textbox.css('overflow-y', 'scroll');
$wrapper.closest('.post-body__cell').addClass('scroll');
} else {
$wrapper.closest('.post-body__cell').removeClass('scroll');
}
// set the textarea to be the proper height
$textbox.height(height);
// set the wrapper height to match the height of the textbox including padding and borders
$wrapper.height(height + padding + borders);
if (this.state.preview) {
$(ReactDOM.findDOMNode(this.refs.preview)).height(height + borders);
}
}
showPreview(e) {
e.preventDefault();
e.target.blur();
this.setState({preview: !this.state.preview});
this.resize();
}
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 ? (
<FormattedMessage
id='textbox.edit'
defaultMessage='Edit message'
/>
) : (
<FormattedMessage
id='textbox.preview'
defaultMessage='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}
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
target='_blank'
href='http://docs.mattermost.com/help/getting-started/messaging-basics.html'
className='textbox-help-link'
>
<FormattedMessage
id='textbox.help'
defaultMessage='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,
createMessage: React.PropTypes.string.isRequired,
onKeyDown: React.PropTypes.func,
supportsCommands: React.PropTypes.bool.isRequired
};
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