src/views/process-panel/process-log-code-snippet.tsx

   1 // Copyright (C) The Arvados Authors. All rights reserved.
   2 //
   3 // SPDX-License-Identifier: AGPL-3.0
   4
   5 import React, { useEffect, useRef, useState } from 'react';
   6 import {
   7     MuiThemeProvider,
   8     createMuiTheme,
   9     StyleRulesCallback,
  10     withStyles,
  11     WithStyles
  12 } from '@material-ui/core/styles';
  13 import grey from '@material-ui/core/colors/grey';
  14 import { ArvadosTheme } from 'common/custom-theme';
  15 import { Link, Typography } from '@material-ui/core';
  16 import { navigationNotAvailable } from 'store/navigation/navigation-action';
  17 import { Dispatch } from 'redux';
  18 import { connect, DispatchProp } from 'react-redux';
  19 import classNames from 'classnames';
  20 import { FederationConfig, getNavUrl } from 'routes/routes';
  21 import { RootState } from 'store/store';
  22
  23 type CssRules = 'root' | 'wordWrap' | 'logText';
  24
  25 const styles: StyleRulesCallback<CssRules> = (theme: ArvadosTheme) => ({
  26     root: {
  27         boxSizing: 'border-box',
  28         overflow: 'auto',
  29         backgroundColor: '#000',
  30         height: `calc(100% - ${theme.spacing.unit * 4}px)`, // so that horizontal scollbar is visible
  31         "& a": {
  32             color: theme.palette.primary.main,
  33         },
  34     },
  35     logText: {
  36         padding: `0 ${theme.spacing.unit*0.5}px`,
  37     },
  38     wordWrap: {
  39         whiteSpace: 'pre-wrap',
  40     },
  41 });
  42
  43 const theme = createMuiTheme({
  44     overrides: {
  45         MuiTypography: {
  46             body2: {
  47                 color: grey["200"]
  48             }
  49         }
  50     },
  51     typography: {
  52         fontFamily: 'monospace',
  53         useNextVariants: true,
  54     }
  55 });
  56
  57 interface ProcessLogCodeSnippetProps {
  58     lines: string[];
  59     fontSize: number;
  60     wordWrap?: boolean;
  61 }
  62
  63 interface ProcessLogCodeSnippetAuthProps {
  64     auth: FederationConfig;
  65 }
  66
  67 const renderLinks = (fontSize: number, auth: FederationConfig, dispatch: Dispatch) => (text: string) => {
  68     // Matches UUIDs & PDHs
  69     const REGEX = /[a-z0-9]{5}-[a-z0-9]{5}-[a-z0-9]{15}|[0-9a-f]{32}\+\d+/g;
  70     const links = text.match(REGEX);
  71     if (!links) {
  72         return <Typography style={{ fontSize: fontSize }}>{text}</Typography>;
  73     }
  74     return <Typography style={{ fontSize: fontSize }}>
  75         {text.split(REGEX).map((part, index) =>
  76         <React.Fragment key={index}>
  77             {part}
  78             {links[index] &&
  79             <Link onClick={() => {
  80                 const url = getNavUrl(links[index], auth)
  81                 if (url) {
  82                     window.open(`${window.location.origin}${url}`, '_blank');
  83                 } else {
  84                     dispatch(navigationNotAvailable(links[index]));
  85                 }
  86             }}
  87                 style={ {cursor: 'pointer'} }>
  88                 {links[index]}
  89             </Link>}
  90         </React.Fragment>
  91         )}
  92     </Typography>;
  93 };
  94
  95 const mapStateToProps = (state: RootState): ProcessLogCodeSnippetAuthProps => ({
  96     auth: state.auth,
  97 });
  98
  99 export const ProcessLogCodeSnippet = withStyles(styles)(connect(mapStateToProps)(
 100     ({classes, lines, fontSize, auth, dispatch, wordWrap}: ProcessLogCodeSnippetProps & WithStyles<CssRules> & ProcessLogCodeSnippetAuthProps & DispatchProp) => {
 101         const [followMode, setFollowMode] = useState<boolean>(true);
 102         const scrollRef = useRef<HTMLDivElement>(null);
 103
 104         useEffect(() => {
 105             if (followMode && scrollRef.current && lines.length > 0) {
 106                 // Scroll to bottom
 107                 scrollRef.current.scrollTop = scrollRef.current.scrollHeight;
 108             }
 109         }, [followMode, lines, scrollRef]);
 110
 111         return <MuiThemeProvider theme={theme}>
 112             <div ref={scrollRef} className={classes.root}
 113                 onScroll={(e) => {
 114                     const elem = e.target as HTMLDivElement;
 115                     if (elem.scrollTop + (elem.clientHeight*1.1) >= elem.scrollHeight) {
 116                         setFollowMode(true);
 117                     } else {
 118                         setFollowMode(false);
 119                     }
 120                 }}>
 121                 { lines.map((line: string, index: number) =>
 122                 <Typography key={index} component="pre"
 123                     className={classNames(classes.logText, wordWrap ? classes.wordWrap : undefined)}>
 124                     {renderLinks(fontSize, auth, dispatch)(line)}
 125                 </Typography>
 126                 ) }
 127             </div>
 128         </MuiThemeProvider>
 129     }));