Merge branch '21128-toolbar-context-menu'
[arvados-workbench2.git] / src / components / multi-panel-view / multi-panel-view.tsx
1 // Copyright (C) The Arvados Authors. All rights reserved.
2 //
3 // SPDX-License-Identifier: AGPL-3.0
4
5 import React, { MutableRefObject, ReactElement, ReactNode, useEffect, useRef, useState } from 'react';
6 import {
7     Button,
8     Grid,
9     Paper,
10     StyleRulesCallback,
11     Tooltip,
12     withStyles,
13     WithStyles
14 } from "@material-ui/core";
15 import { GridProps } from '@material-ui/core/Grid';
16 import { isArray } from 'lodash';
17 import { DefaultView } from 'components/default-view/default-view';
18 import { InfoIcon } from 'components/icon/icon';
19 import { ReactNodeArray } from 'prop-types';
20 import classNames from 'classnames';
21
22 type CssRules = 'root' | 'button' | 'buttonIcon' | 'content';
23
24 const styles: StyleRulesCallback<CssRules> = theme => ({
25     root: {
26         marginTop: '10px',
27     },
28     button: {
29         padding: '2px 5px',
30         marginRight: '5px',
31     },
32     buttonIcon: {
33         boxShadow: 'none',
34         padding: '2px 0px 2px 5px',
35         fontSize: '1rem'
36     },
37     content: {
38         overflow: 'auto',
39     },
40 });
41
42 interface MPVHideablePanelDataProps {
43     name: string;
44     visible: boolean;
45     maximized: boolean;
46     illuminated: boolean;
47     children: ReactNode;
48     panelRef?: MutableRefObject<any>;
49 }
50
51 interface MPVHideablePanelActionProps {
52     doHidePanel: () => void;
53     doMaximizePanel: () => void;
54     doUnMaximizePanel: () => void;
55 }
56
57 type MPVHideablePanelProps = MPVHideablePanelDataProps & MPVHideablePanelActionProps;
58
59 const MPVHideablePanel = ({doHidePanel, doMaximizePanel, doUnMaximizePanel, name, visible, maximized, illuminated, ...props}: MPVHideablePanelProps) =>
60     visible
61     ? <>
62         {React.cloneElement((props.children as ReactElement), { doHidePanel, doMaximizePanel, doUnMaximizePanel, panelName: name, panelMaximized: maximized, panelIlluminated: illuminated, panelRef: props.panelRef })}
63     </>
64     : null;
65
66 interface MPVPanelDataProps {
67     panelName?: string;
68     panelMaximized?: boolean;
69     panelIlluminated?: boolean;
70     panelRef?: MutableRefObject<any>;
71     forwardProps?: boolean;
72     maxHeight?: string;
73     minHeight?: string;
74 }
75
76 interface MPVPanelActionProps {
77     doHidePanel?: () => void;
78     doMaximizePanel?: () => void;
79     doUnMaximizePanel?: () => void;
80 }
81
82 // Props received by panel implementors
83 export type MPVPanelProps = MPVPanelDataProps & MPVPanelActionProps;
84
85 type MPVPanelContentProps = {children: ReactElement} & MPVPanelProps & GridProps;
86
87 // Grid item compatible component for layout and MPV props passing
88 export const MPVPanelContent = ({doHidePanel, doMaximizePanel, doUnMaximizePanel, panelName,
89     panelMaximized, panelIlluminated, panelRef, forwardProps, maxHeight, minHeight,
90     ...props}: MPVPanelContentProps) => {
91     useEffect(() => {
92         if (panelRef && panelRef.current) {
93             panelRef.current.scrollIntoView({alignToTop: true});
94         }
95     }, [panelRef]);
96
97     const maxH = panelMaximized
98         ? '100%'
99         : maxHeight;
100
101     return <Grid item style={{maxHeight: maxH, minHeight}} {...props}>
102         <span ref={panelRef} /> {/* Element to scroll to when the panel is selected */}
103         <Paper style={{height: '100%'}} elevation={panelIlluminated ? 8 : 0}>
104             { forwardProps
105                 ? React.cloneElement(props.children, { doHidePanel, doMaximizePanel, doUnMaximizePanel, panelName, panelMaximized })
106                 : props.children }
107         </Paper>
108     </Grid>;
109 }
110
111 export interface MPVPanelState {
112     name: string;
113     visible?: boolean;
114 }
115 interface MPVContainerDataProps {
116     panelStates?: MPVPanelState[];
117 }
118 type MPVContainerProps = MPVContainerDataProps & GridProps;
119
120 // Grid container compatible component that also handles panel toggling.
121 const MPVContainerComponent = ({children, panelStates, classes, ...props}: MPVContainerProps & WithStyles<CssRules>) => {
122     if (children === undefined || children === null || children === {}) {
123         children = [];
124     } else if (!isArray(children)) {
125         children = [children];
126     }
127     const initialVisibility = (children as ReactNodeArray).map((_, idx) =>
128         !panelStates || // if panelStates wasn't passed, default to all visible panels
129             (panelStates[idx] &&
130                 (panelStates[idx].visible || panelStates[idx].visible === undefined)));
131     const [panelVisibility, setPanelVisibility] = useState<boolean[]>(initialVisibility);
132     const [previousPanelVisibility, setPreviousPanelVisibility] = useState<boolean[]>(initialVisibility);
133     const [highlightedPanel, setHighlightedPanel] = useState<number>(-1);
134     const [selectedPanel, setSelectedPanel] = useState<number>(-1);
135     const panelRef = useRef<any>(null);
136
137     let panels: JSX.Element[] = [];
138     let buttons: JSX.Element[] = [];
139
140     if (isArray(children)) {
141         for (let idx = 0; idx < children.length; idx++) {
142             const showFn = (idx: number) => () => {
143                 setPreviousPanelVisibility(initialVisibility);
144                 setPanelVisibility([
145                     ...panelVisibility.slice(0, idx),
146                     true,
147                     ...panelVisibility.slice(idx+1)
148                 ]);
149                 setSelectedPanel(idx);
150             };
151             const hideFn = (idx: number) => () => {
152                 setPreviousPanelVisibility(initialVisibility);
153                 setPanelVisibility([
154                     ...panelVisibility.slice(0, idx),
155                     false,
156                     ...panelVisibility.slice(idx+1)
157                 ])
158             };
159             const maximizeFn = (idx: number) => () => {
160                 setPreviousPanelVisibility(panelVisibility);
161                 // Maximize X == hide all but X
162                 setPanelVisibility([
163                     ...panelVisibility.slice(0, idx).map(() => false),
164                     true,
165                     ...panelVisibility.slice(idx+1).map(() => false),
166                 ]);
167             };
168             const unMaximizeFn = (idx: number) => () => {
169                 setPanelVisibility(previousPanelVisibility);
170                 setSelectedPanel(idx);
171             }
172             const panelName = panelStates === undefined
173                 ? `Panel ${idx+1}`
174                 : (panelStates[idx] && panelStates[idx].name) || `Panel ${idx+1}`;
175             const btnVariant = panelVisibility[idx]
176                 ? "contained"
177                 : "outlined";
178             const btnTooltip = panelVisibility[idx]
179                 ? ``
180                 :`Open ${panelName} panel`;
181             const panelIsMaximized = panelVisibility[idx] &&
182                 panelVisibility.filter(e => e).length === 1;
183
184             buttons = [
185                 ...buttons,
186                 <Tooltip title={btnTooltip} disableFocusListener>
187                     <Button variant={btnVariant} size="small" color="primary"
188                         className={classNames(classes.button)}
189                         onMouseEnter={() => {
190                             setHighlightedPanel(idx);
191                         }}
192                         onMouseLeave={() => {
193                             setHighlightedPanel(-1);
194                         }}
195                         onClick={showFn(idx)}>
196                             {panelName}
197                     </Button>
198                 </Tooltip>
199             ];
200
201             const aPanel =
202                 <MPVHideablePanel key={idx} visible={panelVisibility[idx]} name={panelName}
203                     panelRef={(idx === selectedPanel) ? panelRef : undefined}
204                     maximized={panelIsMaximized} illuminated={idx === highlightedPanel}
205                     doHidePanel={hideFn(idx)} doMaximizePanel={maximizeFn(idx)} doUnMaximizePanel={panelIsMaximized ? unMaximizeFn(idx) : () => null}>
206                     {children[idx]}
207                 </MPVHideablePanel>;
208             panels = [...panels, aPanel];
209         };
210     };
211
212     return <Grid container {...props} className={classes.root}>
213         <Grid container item direction="row">
214             { buttons.map((tgl, idx) => <Grid item key={idx}>{tgl}</Grid>) }
215         </Grid>
216         <Grid container item {...props} xs className={classes.content}
217             onScroll={() => setSelectedPanel(-1)}>
218             { panelVisibility.includes(true)
219                 ? panels
220                 : <Grid container item alignItems='center' justify='center'>
221                     <DefaultView messages={["All panels are hidden.", "Click on the buttons above to show them."]} icon={InfoIcon} />
222                 </Grid> }
223         </Grid>
224     </Grid>;
225 };
226
227 export const MPVContainer = withStyles(styles)(MPVContainerComponent);