77 lines
1.8 KiB
React
77 lines
1.8 KiB
React
import { h, Component } from 'preact';
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import api from 'common/api';
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export default class Input extends Component {
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constructor(props) {
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super(props);
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this.autoResize = this.autoResize.bind(this);
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this.send = this.send.bind(this);
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this.onKeyDown = this.onKeyDown.bind(this);
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}
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componentDidMount() {
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if (this.props.autoFocus) {
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this.fieldNode.focus();
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}
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}
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onKeyDown(e) {
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if (e.keyCode === 13 && (e.metaKey || e.ctrlKey)) {
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this.send();
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}
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}
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autoResize() {
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this.fieldNode.style.height = '';
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this.setState({ height: this.fieldNode.scrollHeight });
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}
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send(e) {
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const text = this.fieldNode.value;
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const pid = this.props.pid;
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if (e) e.preventDefault();
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if (!text || !text.trim()) return;
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this.setState({ isFieldDisabled: true });
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api.send({ text, ...(pid ? { pid } : {}) })
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.then(({ id }) => {
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// TODO: maybe we should run onsubmit before send; like in optimistic ui
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if (this.props.onSubmit) {
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this.props.onSubmit({ text, id, pid });
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}
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this.fieldNode.value = '';
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this.setState({ height: null });
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})
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.catch(() => {
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// TODO: do smth?
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})
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.finally(() => this.setState({ isFieldDisabled: false }));
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}
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render(props, { height, isFieldDisabled }) {
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return (
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<form className={b('input', props)} onSubmit={this.send}>
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<textarea
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className="input__field"
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onInput={this.autoResize}
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onKeyDown={this.onKeyDown}
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style={{ height }}
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ref={r => (this.fieldNode = r)}
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required
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disabled={isFieldDisabled}
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>
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{props.children}
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</textarea>
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<button className="input__button" type="submit">Send</button>
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</form>
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);
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}
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}
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