File size: 6,458 Bytes
0dbc9de | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 | /** @jsxImportSource @opentui/solid */
import type { ColorInput, RGBA, ScrollBoxRenderable } from "@opentui/core"
import { Locale } from "../../util/locale"
import { tint } from "../../context/theme"
import { createEffect, createMemo, For, Match, Switch } from "solid-js"
import { buildFileTree, flattenFileTree, type FileTreeItem, type FileTreeRow } from "./diff-viewer-file-tree-utils"
import { Panel } from "./diff-viewer-ui"
const FILE_TREE_STATUS_WIDTH = 2
export type DiffViewerFileTreeTheme = {
readonly background: RGBA
readonly backgroundPanel: ColorInput
readonly backgroundElement: ColorInput
readonly primary: ColorInput
readonly secondary: ColorInput
readonly selectedListItemText: ColorInput
readonly text: RGBA
readonly textMuted: RGBA
readonly error: ColorInput
}
export type DiffViewerFileTreeProps = {
readonly width: number
readonly files: readonly FileTreeItem[]
readonly loading: boolean
readonly error: unknown
readonly theme: DiffViewerFileTreeTheme
readonly focused?: boolean
readonly highlightedNode?: number
readonly selectedFileIndex?: number
readonly reviewedFileNames?: ReadonlySet<string>
readonly expandedNodes?: ReadonlySet<number>
readonly onRowClick?: (row: FileTreeRow) => void
}
export function DiffViewerFileTree(props: DiffViewerFileTreeProps) {
const tree = createMemo(() => buildFileTree(props.files))
const rows = createMemo(() => flattenFileTree(tree(), props.expandedNodes))
let scroll: ScrollBoxRenderable | undefined
createEffect(() => {
const node = props.highlightedNode
if (node === undefined) return
const selectedIndex = rows().findIndex((row) => row.id === node)
if (selectedIndex === -1) return
const scrollSelectedIntoView = () => scrollFileTreeRowIntoView(scroll, selectedIndex)
scrollSelectedIntoView()
requestAnimationFrame(scrollSelectedIntoView)
})
const fadedColor = () => tint(props.theme.text, props.theme.background, 0.75)
return (
<Panel border="both" width={props.width}>
<scrollbox
ref={(element: ScrollBoxRenderable) => (scroll = element)}
verticalScrollbarOptions={{ visible: false }}
horizontalScrollbarOptions={{ visible: false }}
>
<Switch>
<Match when={props.loading || props.error}>
<text />
</Match>
<Match when={props.files.length === 0}>
<text fg={props.theme.text}>No files</text>
</Match>
<Match when={props.files.length > 0}>
<For each={rows()}>
{(row, index) => {
const highlighted = () => props.focused && props.highlightedNode === row.id
const selected = () => row.fileIndex !== undefined && props.selectedFileIndex === row.fileIndex
const reviewed = () => {
const file = row.fileIndex === undefined ? undefined : props.files[row.fileIndex]?.file
return file !== undefined && (props.reviewedFileNames?.has(file) ?? false)
}
const prefix = () => fileTreeRowPrefix(rows(), index(), row, props.expandedNodes)
const status = () => fileTreeRowStatus(row, props.files, reviewed())
const name = () =>
Locale.truncate(row.name, Math.max(1, props.width - FILE_TREE_STATUS_WIDTH - prefix().length))
return (
<box
flexDirection="row"
width="100%"
backgroundColor={highlighted() ? props.theme.primary : undefined}
onMouseUp={() => props.onRowClick?.(row)}
>
<text fg={highlighted() ? props.theme.background : fadedColor()} wrapMode="none" flexShrink={0}>
{prefix()}
</text>
<box flexGrow={1} minWidth={0}>
<text
fg={
highlighted()
? props.theme.background
: selected()
? props.theme.primary
: reviewed() || row.kind === "directory"
? props.theme.textMuted
: props.theme.text
}
wrapMode="none"
>
{name()}
</text>
</box>
<text
fg={highlighted() ? props.theme.background : props.theme.textMuted}
wrapMode="none"
flexShrink={0}
>
{status()}
</text>
</box>
)
}}
</For>
</Match>
</Switch>
</scrollbox>
</Panel>
)
}
function scrollFileTreeRowIntoView(scroll: ScrollBoxRenderable | undefined, index: number) {
if (!scroll) return
if (index < scroll.scrollTop) {
scroll.scrollTo(index)
return
}
if (index >= scroll.scrollTop + scroll.viewport.height) {
scroll.scrollTo(index - scroll.viewport.height + 1)
}
}
function fileTreeRowPrefix(
rows: readonly FileTreeRow[],
index: number,
row: FileTreeRow,
expandedNodes: ReadonlySet<number> | undefined,
) {
const indentation = Array.from({ length: row.depth }, (_, depth) => {
if (depth === 0 && !hasLaterSibling(rows, 0, 0)) return " "
return hasLaterSibling(rows, index, depth) ? "│ " : " "
}).join("")
const topRoot = index === 0 && row.depth === 0
const branch = topRoot ? " " : hasLaterSibling(rows, index, row.depth) ? "├─ " : "└─ "
const marker = row.kind === "directory" ? (expandedNodes && !expandedNodes.has(row.id) ? "▸ " : "▾ ") : ""
return `${indentation}${branch}${marker}`
}
function hasLaterSibling(rows: readonly FileTreeRow[], index: number, depth: number) {
return rows.slice(index + 1).find((row) => row.depth <= depth)?.depth === depth
}
function fileTreeRowStatus(row: FileTreeRow, files: readonly FileTreeItem[], reviewed: boolean) {
if (row.fileIndex === undefined) return ""
const status = files[row.fileIndex]?.status
const marker = status === "modified" ? "M" : status === "added" ? "A" : status === "deleted" ? "D" : "?"
return `${reviewed ? "✓" : " "}${marker}`.padStart(FILE_TREE_STATUS_WIDTH)
}
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