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' | 'inactiveArrow' | 'arrowRotate' | 'arrowTransition' | 'loader' | 'arrowVisibility';
16 const styles: StyleRulesCallback<CssRules> = (theme: Theme) => ({
29 transition: 'all 0.1s ease',
32 transition: 'all 0.1s ease',
33 transform: 'rotate(-90deg)',
40 transform: 'translate(0px)',
45 export enum TreeItemStatus {
51 export interface TreeItem<T> {
56 status: TreeItemStatus;
58 items?: Array<TreeItem<T>>;
61 interface TreeProps<T> {
62 items?: Array<TreeItem<T>>;
63 render: (item: TreeItem<T>, level?: number) => ReactElement<{}>;
64 toggleItem: (id: string, status: TreeItemStatus) => any;
68 class Tree<T> extends React.Component<TreeProps<T> & WithStyles<CssRules>, {}> {
69 renderArrow(status: TreeItemStatus, arrowClass: string, open: boolean, id: string) {
71 onClick={() => this.props.toggleItem(id, status)}
74 ${status === TreeItemStatus.Pending ? this.props.classes.arrowVisibility : ''}
75 ${open ? `fas fa-caret-down ${this.props.classes.arrowTransition}` : `fas fa-caret-down ${this.props.classes.arrowRotate}`}`} />;
77 render(): ReactElement<any> {
78 const level = this.props.level ? this.props.level : 0;
79 const { classes, render, toggleItem, items } = this.props;
80 const { list, inactiveArrow, activeArrow, loader } = classes;
81 return <List component="div" className={list}>
82 {items && items.map((it: TreeItem<T>, idx: number) =>
83 <div key={`item/${level}/${idx}`}>
84 <ListItem button className={list} style={{ paddingLeft: (level + 1) * 20 }}>
85 {it.status === TreeItemStatus.Pending ? <CircularProgress size={10} className={loader} /> : null}
86 {it.toggled && it.items && it.items.length === 0 ? null : this.renderArrow(it.status, it.active ? activeArrow : inactiveArrow, it.open, it.id)}
89 {it.items && it.items.length > 0 &&
90 <Collapse in={it.open} timeout="auto" unmountOnExit>
94 toggleItem={toggleItem}
102 const StyledTree = withStyles(styles)(Tree);
103 export default StyledTree;