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';
13 export enum TreeItemStatus {
19 export interface TreeItem<T> {
24 status: TreeItemStatus;
26 items?: Array<TreeItem<T>>;
29 interface TreeProps<T> {
30 items?: Array<TreeItem<T>>;
31 render: (item: TreeItem<T>, level?: number) => ReactElement<{}>;
32 toggleItemOpen: (id: string, status: TreeItemStatus) => void;
33 toggleItemActive: (id: string, status: TreeItemStatus) => void;
35 onContextMenu: (event: React.MouseEvent<HTMLElement>, item: TreeItem<T>) => void;
38 class Tree<T> extends React.Component<TreeProps<T> & WithStyles<CssRules>, {}> {
39 render(): ReactElement<any> {
40 const level = this.props.level ? this.props.level : 0;
41 const { classes, render, toggleItemOpen, items, toggleItemActive, onContextMenu } = this.props;
42 const { list, inactiveArrow, activeArrow, loader } = classes;
43 return <List component="div" className={list}>
44 {items && items.map((it: TreeItem<T>, idx: number) =>
45 <div key={`item/${level}/${idx}`}>
46 <ListItem button className={list} style={{ paddingLeft: (level + 1) * 20 }} onClick={() => toggleItemActive(it.id, it.status)} onContextMenu={this.handleRowContextMenu(it)}>
47 {it.status === TreeItemStatus.Pending ? <CircularProgress size={10} className={loader} /> : null}
48 {it.toggled && it.items && it.items.length === 0 ? null : this.renderArrow(it.status, it.active ? activeArrow : inactiveArrow, it.open, it.id)}
51 {it.items && it.items.length > 0 &&
52 <Collapse in={it.open} timeout="auto" unmountOnExit>
56 toggleItemOpen={toggleItemOpen}
57 toggleItemActive={toggleItemActive}
59 onContextMenu={onContextMenu} />
64 renderArrow(status: TreeItemStatus, arrowClass: string, open: boolean, id: string) {
65 const { arrowTransition, arrowVisibility, arrowRotate } = this.props.classes;
66 return <i onClick={() => this.props.toggleItemOpen(id, status)}
69 ${status === TreeItemStatus.Pending ? arrowVisibility : ''}
70 ${open ? `fas fa-caret-down ${arrowTransition}` : `fas fa-caret-down ${arrowRotate}`}`} />;
73 handleRowContextMenu = (item: TreeItem<T>) =>
74 (event: React.MouseEvent<HTMLElement>) =>
75 this.props.onContextMenu(event, item)
78 type CssRules = 'list' | 'activeArrow' | 'inactiveArrow' | 'arrowRotate' | 'arrowTransition' | 'loader' | 'arrowVisibility';
80 const styles: StyleRulesCallback<CssRules> = (theme: Theme) => ({
93 transition: 'all 0.1s ease',
96 transition: 'all 0.1s ease',
97 transform: 'rotate(-90deg)',
103 position: 'absolute',
104 transform: 'translate(0px)',
109 const StyledTree = withStyles(styles)(Tree);
110 export default StyledTree;