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import CharacterCounter from './character_counter';
import Button from '../../../components/button';
import PureRenderMixin from 'react-addons-pure-render-mixin';
import ImmutablePropTypes from 'react-immutable-proptypes';
import ReplyIndicator from './reply_indicator';
import UploadButton from './upload_button';
import Autosuggest from 'react-autosuggest';
const getTokenForSuggestions = (str, caretPosition) => {
let word;
let left = str.slice(0, caretPosition).search(/\S+$/);
let right = str.slice(caretPosition).search(/\s/);
if (right < 0) {
word = str.slice(left);
} else {
word = str.slice(left, right + caretPosition);
}
if (!word || word.trim().length < 2 || word[0] !== '@') {
return null;
}
word = word.trim().toLowerCase().slice(1);
if (word.length > 0) {
return word;
} else {
return null;
}
};
const getSuggestionValue = suggestion => suggestion.completion;
const renderSuggestion = suggestion => (
<span>{suggestion.label}</span>
);
const textareaStyle = {
display: 'block',
boxSizing: 'border-box',
width: '100%',
height: '100px',
resize: 'none',
border: 'none',
color: '#282c37',
padding: '10px',
fontFamily: 'Roboto',
fontSize: '14px',
margin: '0'
};
const renderInputComponent = inputProps => (
<textarea {...inputProps} placeholder='What is on your mind?' className='compose-form__textarea' style={textareaStyle} />
);
const ComposeForm = React.createClass({
propTypes: {
text: React.PropTypes.string.isRequired,
suggestions: React.PropTypes.array,
is_submitting: React.PropTypes.bool,
is_uploading: React.PropTypes.bool,
in_reply_to: ImmutablePropTypes.map,
onChange: React.PropTypes.func.isRequired,
onSubmit: React.PropTypes.func.isRequired,
onCancelReply: React.PropTypes.func.isRequired
},
mixins: [PureRenderMixin],
handleChange (e) {
this.props.onChange(e.target.value);
},
handleKeyUp (e) {
if (e.keyCode === 13 && e.ctrlKey) {
this.props.onSubmit();
}
},
handleSubmit () {
this.props.onSubmit();
},
componentDidUpdate (prevProps) {
if (prevProps.text !== this.props.text || prevProps.in_reply_to !== this.props.in_reply_to) {
const node = ReactDOM.findDOMNode(this.refs.autosuggest);
const textarea = node.querySelector('textarea');
if (textarea) {
textarea.focus();
}
}
},
onSuggestionsClearRequested () {
this.props.onClearSuggestions();
},
onSuggestionsFetchRequested ({ value }) {
const node = ReactDOM.findDOMNode(this.refs.autosuggest);
const textarea = node.querySelector('textarea');
if (textarea) {
const token = getTokenForSuggestions(value, textarea.selectionStart);
if (token !== null) {
this.props.onFetchSuggestions(token);
}
}
},
onSuggestionSelected (e, { suggestionValue, method }) {
const node = ReactDOM.findDOMNode(this.refs.autosuggest);
const textarea = node.querySelector('textarea');
if (textarea) {
const str = this.props.text;
this.props.onChange([str.slice(0, textarea.selectionStart), suggestionValue, str.slice(textarea.selectionStart)].join(''));
}
},
render () {
let replyArea = '';
const disabled = this.props.is_submitting || this.props.is_uploading;
if (this.props.in_reply_to) {
replyArea = <ReplyIndicator status={this.props.in_reply_to} onCancel={this.props.onCancelReply} />;
}
const inputProps = {
placeholder: 'What is on your mind?',
ariaLabel: 'What is on your mind?',
value: this.props.text,
onKeyUp: this.handleKeyUp,
onChange: this.handleChange,
disabled: disabled
};
return (
<div style={{ padding: '10px' }}>
{replyArea}
<Autosuggest
ref='autosuggest'
suggestions={this.props.suggestions}
onSuggestionsFetchRequested={this.onSuggestionsFetchRequested}
onSuggestionsClearRequested={this.onSuggestionsClearRequested}
onSuggestionSelected={this.onSuggestionSelected}
getSuggestionValue={getSuggestionValue}
renderSuggestion={renderSuggestion}
renderInputComponent={renderInputComponent}
inputProps={inputProps}
/>
<div style={{ marginTop: '10px', overflow: 'hidden' }}>
<div style={{ float: 'right' }}><Button text='Publish' onClick={this.handleSubmit} disabled={disabled} /></div>
<div style={{ float: 'right', marginRight: '16px', lineHeight: '36px' }}><CharacterCounter max={500} text={this.props.text} /></div>
</div>
</div>
);
}
});
export default ComposeForm;
|
