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";
12 type CssRules = 'list' | 'activeArrow' | 'arrow' | 'arrowRotate';
14 const styles: StyleRulesCallback<CssRules> = (theme: Theme) => ({
27 transform: 'rotate(-90deg)',
31 export interface TreeItem<T> {
36 items?: Array<TreeItem<T>>;
39 interface TreeProps<T> {
40 items?: Array<TreeItem<T>>;
41 render: (item: TreeItem<T>) => ReactElement<{}>;
42 toggleItem: (id: string) => any;
46 class Tree<T> extends React.Component<TreeProps<T> & WithStyles<CssRules>, {}> {
47 renderArrow (items: Array<TreeItem<T>> | undefined, arrowClass: string, isOpen: boolean, arrowRotation: string){
48 return items && items.length > 0 ? <i className={`${arrowClass} ${isOpen ? "fas fa-caret-down" : `fas fa-caret-down ${arrowRotation}`}`} /> : ''
50 render(): ReactElement<any> {
51 const level = this.props.level ? this.props.level : 0;
52 const {classes, render, toggleItem, items} = this.props;
53 const {list, arrow, activeArrow, arrowRotate} = classes;
54 return <List component="div" className={list}>
55 {items && items.map((it: TreeItem<T>, idx: number) =>
56 <div key={`item/${level}/${idx}`}>
57 <ListItem button onClick={() => toggleItem(it.id)} className={list} style={{paddingLeft: (level + 1) * 20}}>
58 {it.active ? this.renderArrow(it.items, activeArrow, it.open, arrowRotate) : this.renderArrow(it.items, arrow, it.open, arrowRotate)}
61 {it.items && it.items.length > 0 &&
62 <Collapse in={it.open} timeout="auto" unmountOnExit>
66 toggleItem={toggleItem}
74 const StyledTree = withStyles(styles)(Tree);
75 export default StyledTree