lbry-desktop/ui/js/component/wunderbar/view.jsx
2017-05-09 21:33:13 -04:00

139 lines
3.7 KiB
JavaScript

import React from 'react';
import lbryuri from 'lbryuri.js';
import {Icon} from 'component/common.js';
class WunderBar extends React.PureComponent {
static propTypes = {
onSearch: React.PropTypes.func.isRequired,
onSubmit: React.PropTypes.func.isRequired
}
constructor(props) {
super(props);
this._userTypingTimer = null;
this._input = null;
this._stateBeforeSearch = null;
this._resetOnNextBlur = true;
this.onChange = this.onChange.bind(this);
this.onFocus = this.onFocus.bind(this);
this.onBlur = this.onBlur.bind(this);
this.onKeyPress = this.onKeyPress.bind(this);
this.onReceiveRef = this.onReceiveRef.bind(this);
this.state = {
address: this.props.address,
icon: this.props.icon
};
}
componentWillUnmount() {
if (this.userTypingTimer) {
clearTimeout(this._userTypingTimer);
}
}
onChange(event) {
if (this._userTypingTimer)
{
clearTimeout(this._userTypingTimer);
}
this.setState({ address: event.target.value })
let searchQuery = event.target.value;
this._userTypingTimer = setTimeout(() => {
const hasQuery = searchQuery.length === 0;
this._resetOnNextBlur = hasQuery;
if (searchQuery) {
this.props.onSearch(searchQuery);
}
}, 800); // 800ms delay, tweak for faster/slower
}
componentWillReceiveProps(nextProps) {
if (nextProps.viewingPage !== this.props.viewingPage || nextProps.address != this.props.address) {
this.setState({ address: nextProps.address, icon: nextProps.icon });
}
}
onFocus() {
this._stateBeforeSearch = this.state;
let newState = {
icon: "icon-search",
isActive: true
}
this._focusPending = true;
//below is hacking, improved when we have proper routing
if (!this.state.address.startsWith('lbry://') && this.state.icon !== "icon-search") //onFocus, if they are not on an exact URL or a search page, clear the bar
{
newState.address = '';
}
this.setState(newState);
}
onBlur() {
let commonState = {isActive: false};
if (this._resetOnNextBlur) {
this.setState(Object.assign({}, this._stateBeforeSearch, commonState));
this._input.value = this.state.address;
} else {
this._resetOnNextBlur = true;
this._stateBeforeSearch = this.state;
this.setState(commonState);
}
}
componentDidUpdate() {
this._input.value = this.state.address;
if (this._input && this._focusPending) {
this._input.select();
this._focusPending = false;
}
}
onKeyPress(event) {
if (event.charCode == 13 && this._input.value) {
let uri = null,
method = "onSubmit";
this._resetOnNextBlur = false;
clearTimeout(this._userTypingTimer);
try {
uri = lbryuri.normalize(this._input.value);
this.setState({ value: uri });
} catch (error) { //then it's not a valid URL, so let's search
uri = this._input.value;
method = "onSearch";
}
this.props[method](uri);
this._input.blur();
}
}
onReceiveRef(ref) {
this._input = ref;
}
render() {
return (
<div className={'wunderbar' + (this.state.isActive ? ' wunderbar--active' : '')}>
{this.state.icon ? <Icon fixed icon={this.state.icon} /> : '' }
<input className="wunderbar__input" type="search"
ref={this.onReceiveRef}
onFocus={this.onFocus}
onBlur={this.onBlur}
onChange={this.onChange}
onKeyPress={this.onKeyPress}
value={this.state.address}
placeholder="Find movies, music, games, and more" />
</div>
);
}
}
export default WunderBar;