X-Git-Url: https://git.arvados.org/arvados-workbench2.git/blobdiff_plain/a5984c9693267f41237746af6b37d8402effdc39..89efe3a344e0850cf7e401142d2a838cbc825ffb:/src/components/tree/tree.tsx

diff --git a/src/components/tree/tree.tsx b/src/components/tree/tree.tsx
index 12369d57..c892d7d2 100644
--- a/src/components/tree/tree.tsx
+++ b/src/components/tree/tree.tsx
@@ -3,25 +3,178 @@
 // SPDX-License-Identifier: AGPL-3.0
 
 import * as React from 'react';
-import List from "@material-ui/core/List/List";
-import ListItem from "@material-ui/core/ListItem/ListItem";
+import { List, ListItem, ListItemIcon, Collapse, Checkbox } from "@material-ui/core";
+import { StyleRulesCallback, withStyles, WithStyles } from '@material-ui/core/styles';
 import { ReactElement } from "react";
+import CircularProgress from '@material-ui/core/CircularProgress';
+import * as classnames from "classnames";
 
-interface TreeProps<T> {
-    items: T[],
-    render: (item: T) => ReactElement<{}>
-}
+import { ArvadosTheme } from '~/common/custom-theme';
+import { SidePanelRightArrowIcon } from '../icon/icon';
+
+type CssRules = 'list'
+    | 'listItem'
+    | 'active'
+    | 'loader'
+    | 'toggableIconContainer'
+    | 'iconClose'
+    | 'renderContainer'
+    | 'iconOpen'
+    | 'toggableIcon'
+    | 'checkbox';
 
-class Tree<T> extends React.Component<TreeProps<T>, {}> {
-    render() {
-        return <List>
-            {this.props.items && this.props.items.map((it: T, idx: number) =>
-                <ListItem key={`item/${idx}`} button>
-                    {this.props.render(it)}
-                </ListItem>
-            )}
-        </List>
+const styles: StyleRulesCallback<CssRules> = (theme: ArvadosTheme) => ({
+    list: {
+        padding: '3px 0px'
+    },
+    listItem: {
+        padding: '3px 0px',
+    },
+    loader: {
+        position: 'absolute',
+        transform: 'translate(0px)',
+        top: '3px'
+    },
+    toggableIconContainer: {
+        color: theme.palette.grey["700"],
+        height: '14px',
+        width: '14px',
+    },
+    toggableIcon: {
+        fontSize: '14px'
+    },
+    renderContainer: {
+        flex: 1
+    },
+    active: {
+        color: theme.palette.primary.main,
+    },
+    iconClose: {
+        transition: 'all 0.1s ease',
+    },
+    iconOpen: {
+        transition: 'all 0.1s ease',
+        transform: 'rotate(90deg)',
+    },
+    checkbox: {
+        width: theme.spacing.unit * 3,
+        height: theme.spacing.unit * 3,
+        margin: `0 ${theme.spacing.unit}px`,
+        color: theme.palette.grey["500"]
     }
+});
+
+export enum TreeItemStatus {
+    INITIAL = 'initial',
+    PENDING = 'pending',
+    LOADED = 'loaded'
+}
+
+export interface TreeItem<T> {
+    data: T;
+    id: string;
+    open: boolean;
+    active: boolean;
+    selected?: boolean;
+    status: TreeItemStatus;
+    items?: Array<TreeItem<T>>;
+}
+
+export interface TreeProps<T> {
+    items?: Array<TreeItem<T>>;
+    render: (item: TreeItem<T>, level?: number) => ReactElement<{}>;
+    toggleItemOpen: (id: string, status: TreeItemStatus) => void;
+    toggleItemActive: (id: string, status: TreeItemStatus) => void;
+    level?: number;
+    onContextMenu: (event: React.MouseEvent<HTMLElement>, item: TreeItem<T>) => void;
+    showSelection?: boolean;
+    onSelectionChange?: (event: React.MouseEvent<HTMLElement>, item: TreeItem<T>) => void;
+    disableRipple?: boolean;
 }
 
-export default Tree;
+export const Tree = withStyles(styles)(
+    class Component<T> extends React.Component<TreeProps<T> & WithStyles<CssRules>, {}> {
+        render(): ReactElement<any> {
+            const level = this.props.level ? this.props.level : 0;
+            const { classes, render, toggleItemOpen, items, toggleItemActive, onContextMenu, disableRipple } = this.props;
+            const { list, listItem, loader, toggableIconContainer, renderContainer } = classes;
+            return <List component="div" className={list}>
+                {items && items.map((it: TreeItem<T>, idx: number) =>
+                    <div key={`item/${level}/${idx}`}>
+                        <ListItem button className={listItem} style={{ paddingLeft: (level + 1) * 20 }}
+                            disableRipple={disableRipple}
+                            onClick={() => toggleItemActive(it.id, it.status)}
+                            onContextMenu={this.handleRowContextMenu(it)}>
+                            {it.status === TreeItemStatus.PENDING ?
+                                <CircularProgress size={10} className={loader} /> : null}
+                            <i onClick={this.handleToggleItemOpen(it.id, it.status)}
+                                className={toggableIconContainer}>
+                                <ListItemIcon className={this.getToggableIconClassNames(it.open, it.active)}>
+                                    {this.getProperArrowAnimation(it.status, it.items!)}
+                                </ListItemIcon>
+                            </i>
+                            {this.props.showSelection &&
+                                <Checkbox
+                                    checked={it.selected}
+                                    className={classes.checkbox}
+                                    color="primary"
+                                    onClick={this.handleCheckboxChange(it)} />}
+                            <div className={renderContainer}>
+                                {render(it, level)}
+                            </div>
+                        </ListItem>
+                        {it.items && it.items.length > 0 &&
+                            <Collapse in={it.open} timeout="auto" unmountOnExit>
+                                <Tree
+                                    showSelection={this.props.showSelection}
+                                    items={it.items}
+                                    render={render}
+                                    disableRipple={disableRipple}
+                                    toggleItemOpen={toggleItemOpen}
+                                    toggleItemActive={toggleItemActive}
+                                    level={level + 1}
+                                    onContextMenu={onContextMenu}
+                                    onSelectionChange={this.props.onSelectionChange} />
+                            </Collapse>}
+                    </div>)}
+            </List>;
+        }
+
+        getProperArrowAnimation = (status: string, items: Array<TreeItem<T>>) => {
+            return this.isSidePanelIconNotNeeded(status, items) ? <span /> : <SidePanelRightArrowIcon />;
+        }
+
+        isSidePanelIconNotNeeded = (status: string, items: Array<TreeItem<T>>) => {
+            return status === TreeItemStatus.PENDING ||
+                (status === TreeItemStatus.LOADED && !items) ||
+                (status === TreeItemStatus.LOADED && items && items.length === 0);
+        }
+
+        getToggableIconClassNames = (isOpen?: boolean, isActive?: boolean) => {
+            const { iconOpen, iconClose, active, toggableIcon } = this.props.classes;
+            return classnames(toggableIcon, {
+                [iconOpen]: isOpen,
+                [iconClose]: !isOpen,
+                [active]: isActive
+            });
+        }
+
+        handleRowContextMenu = (item: TreeItem<T>) =>
+            (event: React.MouseEvent<HTMLElement>) =>
+                this.props.onContextMenu(event, item)
+
+        handleCheckboxChange = (item: TreeItem<T>) => {
+            const { onSelectionChange } = this.props;
+            return onSelectionChange
+                ? (event: React.MouseEvent<HTMLElement>) => {
+                    onSelectionChange(event, item);
+                }
+                : undefined;
+        }
+
+        handleToggleItemOpen = (id: string, status: TreeItemStatus) => (event: React.MouseEvent<HTMLElement>) => {
+            event.stopPropagation();
+            this.props.toggleItemOpen(id, status);
+        }
+    }
+);