1 // Copyright (C) The Arvados Authors. All rights reserved.
3 // SPDX-License-Identifier: AGPL-3.0
5 import * as React from 'react';
6 import List from "@material-ui/core/List/List";
7 import ListItem from "@material-ui/core/ListItem/ListItem";
8 import { StyleRulesCallback, Theme, withStyles, WithStyles } from '@material-ui/core/styles';
9 import { ReactElement } from "react";
10 import Collapse from "@material-ui/core/Collapse/Collapse";
11 import CircularProgress from '@material-ui/core/CircularProgress';
12 import { inherits } from 'util';
14 type CssRules = 'list' | 'activeArrow' | 'arrow' | 'arrowRotate' | 'arrowTransition' | 'loader';
16 const styles: StyleRulesCallback<CssRules> = (theme: Theme) => ({
29 transition: 'all 0.3s ease',
32 transition: 'all 0.3s ease',
33 transform: 'rotate(-90deg)',
37 transform: 'translate(0px)',
42 export interface TreeItem<T> {
48 items?: Array<TreeItem<T>>;
51 interface TreeProps<T> {
52 items?: Array<TreeItem<T>>;
53 render: (item: TreeItem<T>, level?: number) => ReactElement<{}>;
54 toggleItem: (id: string) => any;
58 class Tree<T> extends React.Component<TreeProps<T> & WithStyles<CssRules>, {}> {
59 renderArrow (arrowClass: string, open: boolean){
60 return <i className={`${arrowClass} ${open ? `fas fa-caret-down ${this.props.classes.arrowTransition}` : `fas fa-caret-down ${this.props.classes.arrowRotate}`}`} />
62 render(): ReactElement<any> {
63 const level = this.props.level ? this.props.level : 0;
64 const {classes, render, toggleItem, items} = this.props;
65 const {list, arrow, activeArrow, loader} = classes;
66 return <List component="div" className={list}>
67 {items && items.map((it: TreeItem<T>, idx: number) =>
68 <div key={`item/${level}/${idx}`}>
69 <ListItem button onClick={() => toggleItem(it.id)} className={list} style={{paddingLeft: (level + 1) * 20}}>
70 {it.isLoaded ? this.renderArrow(it.active ? activeArrow : arrow, it.open) : <CircularProgress size={10} className={loader}/> }
73 {it.items && it.items.length > 0 &&
74 <Collapse in={it.open} timeout="auto" unmountOnExit>
78 toggleItem={toggleItem}
86 const StyledTree = withStyles(styles)(Tree);
87 export default StyledTree