1 // Copyright (C) The Arvados Authors. All rights reserved.
3 // SPDX-License-Identifier: AGPL-3.0
5 import React, { MutableRefObject, ReactElement, ReactNode, useEffect, useRef, useState } from 'react';
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';
22 type CssRules = 'root' | 'button' | 'buttonIcon' | 'content';
24 const styles: StyleRulesCallback<CssRules> = theme => ({
34 padding: '2px 0px 2px 5px',
42 interface MPVHideablePanelDataProps {
48 panelRef?: MutableRefObject<any>;
51 interface MPVHideablePanelActionProps {
52 doHidePanel: () => void;
53 doMaximizePanel: () => void;
54 doUnMaximizePanel: () => void;
57 type MPVHideablePanelProps = MPVHideablePanelDataProps & MPVHideablePanelActionProps;
59 const MPVHideablePanel = ({doHidePanel, doMaximizePanel, doUnMaximizePanel, name, visible, maximized, illuminated, ...props}: MPVHideablePanelProps) =>
62 {React.cloneElement((props.children as ReactElement), { doHidePanel, doMaximizePanel, doUnMaximizePanel, panelName: name, panelMaximized: maximized, panelIlluminated: illuminated, panelRef: props.panelRef })}
66 interface MPVPanelDataProps {
68 panelMaximized?: boolean;
69 panelIlluminated?: boolean;
70 panelRef?: MutableRefObject<any>;
71 forwardProps?: boolean;
76 interface MPVPanelActionProps {
77 doHidePanel?: () => void;
78 doMaximizePanel?: () => void;
79 doUnMaximizePanel?: () => void;
82 // Props received by panel implementors
83 export type MPVPanelProps = MPVPanelDataProps & MPVPanelActionProps;
85 type MPVPanelContentProps = {children: ReactElement} & MPVPanelProps & GridProps;
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) => {
92 if (panelRef && panelRef.current) {
93 panelRef.current.scrollIntoView({alignToTop: true});
97 const maxH = panelMaximized
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}>
105 ? React.cloneElement(props.children, { doHidePanel, doMaximizePanel, doUnMaximizePanel, panelName, panelMaximized })
111 export interface MPVPanelState {
115 interface MPVContainerDataProps {
116 panelStates?: MPVPanelState[];
118 type MPVContainerProps = MPVContainerDataProps & GridProps;
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 === {}) {
124 } else if (!isArray(children)) {
125 children = [children];
127 const initialVisibility = (children as ReactNodeArray).map((_, idx) =>
128 !panelStates || // if panelStates wasn't passed, default to all visible panels
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);
137 let panels: JSX.Element[] = [];
138 let buttons: JSX.Element[] = [];
140 if (isArray(children)) {
141 for (let idx = 0; idx < children.length; idx++) {
142 const showFn = (idx: number) => () => {
143 setPreviousPanelVisibility(initialVisibility);
145 ...panelVisibility.slice(0, idx),
147 ...panelVisibility.slice(idx+1)
149 setSelectedPanel(idx);
151 const hideFn = (idx: number) => () => {
152 setPreviousPanelVisibility(initialVisibility);
154 ...panelVisibility.slice(0, idx),
156 ...panelVisibility.slice(idx+1)
159 const maximizeFn = (idx: number) => () => {
160 setPreviousPanelVisibility(panelVisibility);
161 // Maximize X == hide all but X
163 ...panelVisibility.slice(0, idx).map(() => false),
165 ...panelVisibility.slice(idx+1).map(() => false),
168 const unMaximizeFn = (idx: number) => () => {
169 setPanelVisibility(previousPanelVisibility);
170 setSelectedPanel(idx);
172 const panelName = panelStates === undefined
174 : (panelStates[idx] && panelStates[idx].name) || `Panel ${idx+1}`;
175 const btnVariant = panelVisibility[idx]
178 const btnTooltip = panelVisibility[idx]
180 :`Open ${panelName} panel`;
181 const panelIsMaximized = panelVisibility[idx] &&
182 panelVisibility.filter(e => e).length === 1;
186 <Tooltip title={btnTooltip} disableFocusListener>
187 <Button variant={btnVariant} size="small" color="primary"
188 className={classNames(classes.button)}
189 onMouseEnter={() => {
190 setHighlightedPanel(idx);
192 onMouseLeave={() => {
193 setHighlightedPanel(-1);
195 onClick={showFn(idx)}>
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}>
208 panels = [...panels, aPanel];
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>) }
216 <Grid container item {...props} xs className={classes.content}
217 onScroll={() => setSelectedPanel(-1)}>
218 { panelVisibility.includes(true)
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} />
227 export const MPVContainer = withStyles(styles)(MPVContainerComponent);