| 1 | // This file is part of HFS - Copyright 2021-2023, Massimo Melina <a@rejetto.com> - License https://www.gnu.org/licenses/gpl-3.0.txt |
| 2 | |
| 3 | import { createElement as h, Fragment, useEffect, useMemo, useRef, useState } from 'react' |
| 4 | import { apiCall, useApi, useApiList } from './api' |
| 5 | import _ from 'lodash' |
| 6 | import { Alert, Box, Checkbox, ListItemButton, ListItemIcon, ListItemText, TextField, Typography } from '@mui/material' |
| 7 | import { enforceFinal, formatBytes, isWindowsDrive, err2msg, basename, formatPerc } from './misc' |
| 8 | import { spinner, Center, IconBtn, Flex, IconProgress, useBreakpoint, Btn } from './mui' |
| 9 | import { ArrowUpward, CreateNewFolder, Storage, VerticalAlignTop } from '@mui/icons-material' |
| 10 | import { StringField } from '@hfs/mui-grid-form' |
| 11 | import { FileIcon, FolderIcon } from './VfsTree' |
| 12 | import { FixedSizeList } from 'react-window' |
| 13 | import { promptDialog } from './dialog' |
| 14 | import { LsEntry } from '../../src/api.vfs' |
| 15 | |
| 16 | interface FilePickerProps { |
| 17 | onSelect:(v:string[])=>void |
| 18 | multiple?: boolean |
| 19 | from?: string |
| 20 | folders?: boolean |
| 21 | files?: boolean |
| 22 | fileMask?: string |
| 23 | } |
| 24 | let lastPath = '.' |
| 25 | export default function FilePicker({ onSelect, multiple=true, files=true, folders=true, fileMask, from=lastPath }: FilePickerProps) { |
| 26 | const [cwd, setCwd] = useState(from) |
| 27 | lastPath = cwd |
| 28 | const [ready, setReady] = useState(false) |
| 29 | const isWindows = useRef(false) |
| 30 | useApi(!ready && 'resolve_path', { path: from, closestFolder: true }, { onResponse: async (_res, body) => { |
| 31 | try { |
| 32 | const {path} = body |
| 33 | if (typeof path !== 'string') return |
| 34 | setCwd(path) |
| 35 | isWindows.current = path[1] === ':' || path.startsWith('\\\\') // drive or unc |
| 36 | } |
| 37 | finally { |
| 38 | setReady(true) |
| 39 | } |
| 40 | } }) |
| 41 | const { list, props, error, connecting, reload } = useApiList<LsEntry>(ready && 'get_ls', { path: cwd, files, fileMask }) |
| 42 | useEffect(() => { |
| 43 | setSel([]) |
| 44 | setFilter('') |
| 45 | }, [cwd]) |
| 46 | |
| 47 | const [sel, setSel] = useState<string[]>([]) |
| 48 | const [filter, setFilter] = useState('') |
| 49 | const setFilterBounced = useMemo(() => _.debounce((x:string) => setFilter(x)), []) |
| 50 | const filterMatch = useMemo(() => { |
| 51 | const re = new RegExp(_.escapeRegExp(filter), 'i') |
| 52 | return (v:string) => re.test(v) |
| 53 | }, [filter]) |
| 54 | |
| 55 | const sm = useBreakpoint('sm') |
| 56 | const [listHeight, setListHeight] = useState(0) |
| 57 | const filteredList = useMemo(() => _.sortBy(list.filter(it => filterMatch(it.n)), ['k', 'n']), [list, filterMatch]) |
| 58 | const root = isWindows.current ? '' : '/' |
| 59 | const pathDelimiter = isWindows.current ? '\\' : '/' // should we use the new getHFS().pathSeparator instead? |
| 60 | const cwdDelimiter = enforceFinal(pathDelimiter, cwd) |
| 61 | const isRoot = cwd.length < 2 |
| 62 | return h(Fragment, {}, |
| 63 | h(StringField, { |
| 64 | label: "Current folder", |
| 65 | value: cwd, |
| 66 | InputLabelProps: { shrink: true }, |
| 67 | helperText: "UNC paths are supported", |
| 68 | async onChange(v) { |
| 69 | if (!v) |
| 70 | return setCwd(root) |
| 71 | const res = await apiCall('resolve_path', { path: v }) |
| 72 | if (res.isFolder === false) // the user entered a path to a file |
| 73 | return files ? onSelect([v]) // select it, if files are allowed |
| 74 | : setCwd(v.slice(0, -basename(v).length-1)) // otherwise consider its folder |
| 75 | setCwd(res.path) |
| 76 | }, |
| 77 | end: h(Fragment, {}, |
| 78 | h(IconBtn, { |
| 79 | title: "root", |
| 80 | disabled: isRoot, |
| 81 | icon: VerticalAlignTop, |
| 82 | onClick() { |
| 83 | setCwd(root) |
| 84 | } |
| 85 | }), |
| 86 | h(IconBtn, { |
| 87 | title: "parent folder", |
| 88 | disabled: isRoot, |
| 89 | icon: ArrowUpward, |
| 90 | onClick() { |
| 91 | const cwdND = /[\\/]$/.test(cwd) ? cwd.slice(0,-1) : cwd // exclude final delimiter, if any |
| 92 | const last = cwdND.lastIndexOf(pathDelimiter) |
| 93 | const isUNCroot = last === 1 // whe cwd is '\\host' |
| 94 | const parent = isWindowsDrive(cwdND) || isUNCroot ? root : cwdND.slice(0, last || 1) |
| 95 | setCwd(parent) |
| 96 | } |
| 97 | }), |
| 98 | ) |
| 99 | }), |
| 100 | error ? h(Alert, { severity: 'error', sx: { flex: 1 } }, err2msg(error)) |
| 101 | : h(Fragment, {}, |
| 102 | h(Box, { |
| 103 | ref(x?: HTMLElement){ |
| 104 | if (!x) return |
| 105 | const h = x?.clientHeight - 1 |
| 106 | if (h - listHeight > 1) |
| 107 | setListHeight(h) |
| 108 | }, |
| 109 | sx: { flex: 1, display: 'flex', flexDirection: 'column' } |
| 110 | }, |
| 111 | !list.length ? h(Center as any, { sx: { flex: 1, mt: '4em' } }, connecting ? spinner() : "No elements in this folder") |
| 112 | : h(FixedSizeList, { |
| 113 | width: '100%', height: listHeight, |
| 114 | itemSize: 46, itemCount: filteredList.length, overscanCount: 5, |
| 115 | children({ index, style }) { |
| 116 | const it = filteredList[index] |
| 117 | const isFolder = it.k === 'd' |
| 118 | const selectionId = it.n + (isFolder ? pathDelimiter : '') |
| 119 | // mui v9 requires MenuItem under MenuList, while these virtualized rows are plain list buttons |
| 120 | return h(ListItemButton, { |
| 121 | style: { ...style, padding: 0 }, |
| 122 | key: it.n, |
| 123 | onClick() { |
| 124 | if (isFolder) |
| 125 | setCwd(cwdDelimiter + it.n) |
| 126 | else |
| 127 | onSelect([cwdDelimiter + it.n]) |
| 128 | } |
| 129 | }, |
| 130 | multiple && h(Checkbox, { |
| 131 | checked: sel.includes(selectionId), |
| 132 | disabled: !folders && isFolder, |
| 133 | onClick(ev) { |
| 134 | const removed = sel.filter(x => x !== selectionId) |
| 135 | setSel(removed.length < sel.length ? removed : [...sel, selectionId]) |
| 136 | ev.stopPropagation() |
| 137 | }, |
| 138 | }), |
| 139 | h(ListLsItem, { it }), |
| 140 | ) |
| 141 | } |
| 142 | }) |
| 143 | ), |
| 144 | h(Flex, { alignItems: 'center' }, |
| 145 | (multiple || folders || !files) && h(Btn, { |
| 146 | disabled: !sel.length && (!cwd || !folders && files), // !cwd is the drive selection on Windows, which is not a path |
| 147 | sx: { minWidth: 'max-content' }, |
| 148 | onClick() { |
| 149 | onSelect(sel.length ? sel.map(x => cwdDelimiter + x) : [cwdDelimiter]) |
| 150 | } |
| 151 | }, files && (sel.length || !folders) ? `Select (${sel.length})` : sm ? "Select this folder" : "This folder"), |
| 152 | folders && h(Btn, { |
| 153 | icon: CreateNewFolder, |
| 154 | variant: 'outlined', |
| 155 | doneMessage: true, |
| 156 | labelIf: 'sm', |
| 157 | async onClick() { |
| 158 | const s = await promptDialog("New folder name") |
| 159 | if (!s) return false |
| 160 | await apiCall('mkdir', { path: `${cwd}/${s}` }) |
| 161 | reload() |
| 162 | } |
| 163 | }, "New folder"), |
| 164 | h(TextField, { |
| 165 | size: 'small', |
| 166 | value: filter, |
| 167 | label: `Filter results (${filteredList.length}${filteredList.length < list.length ? '/'+list.length : ''})`, |
| 168 | onChange(ev) { |
| 169 | setFilterBounced(ev.target.value) |
| 170 | }, |
| 171 | sx: { flex: 1 }, |
| 172 | }), |
| 173 | props?.total > 0 && h(IconProgress, { |
| 174 | icon: Storage, |
| 175 | progress: 1, |
| 176 | offset: (props.total - props.free) / props.total, |
| 177 | title: formatDiskSpace(props), |
| 178 | }), |
| 179 | ), |
| 180 | ) |
| 181 | ) |
| 182 | } |
| 183 | |
| 184 | export function formatDiskSpace({ free, total }: { free: number, total: number }) { |
| 185 | return `${formatBytes(free)} available (${formatPerc(free / total)}) of ${formatBytes(total)}` |
| 186 | } |
| 187 | |
| 188 | export function ListLsItem({ it }: { it: LsEntry }) { |
| 189 | return h(Fragment, {}, |
| 190 | h(ListItemIcon, {}, h(it.k ? FolderIcon : FileIcon)), |
| 191 | h(ListItemText, { sx: { whiteSpace: 'pre-wrap', wordBreak: 'break-all' } }, it.n), |
| 192 | !it.k && it.s !== undefined && h(Typography, { |
| 193 | variant: 'body2', |
| 194 | color: 'text.secondary', |
| 195 | sx: { ml: 4, mr: 1 }, |
| 196 | }, formatBytes(it.s)) |
| 197 | ) |
| 198 | } |