247 lines
8.9 KiB
Go
247 lines
8.9 KiB
Go
package editor
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import (
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"sort"
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"strings"
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"time"
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"pad/internal/browser"
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"pad/internal/io/pool/mock"
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)
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// populateMockFileSystem seeds the mock filesystem with sample data for testing.
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// Creates a realistic directory structure with subdirectories, various file types,
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// and varied sizes/dates to exercise the browser functionality.
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func populateMockFileSystem(fs *mock.FileSystem) {
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baseTime := time.Date(2026, 5, 15, 10, 0, 0, 0, time.UTC)
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// Create root directory - required for ReadDir("/") to succeed
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fs.AddDir("/", baseTime)
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// --- Root directories ---
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dirs := []string{
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"/Documents",
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"/Pictures",
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"/Music",
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"/Downloads",
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"/Projects",
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"/Projects/pad",
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"/Projects/goplus",
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"/Documents/Work",
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"/Documents/Personal",
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"/Pictures/Vacation",
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}
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for i, d := range dirs {
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fs.AddDir(d, baseTime.AddDate(0, 0, -i))
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}
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// --- Root files ---
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rootFiles := []struct {
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name string
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content string
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days int
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}{
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{"README.md", "# Pad Text Editor\n\nWelcome to Pad, a high-performance text editor built in Go and Gio.\nThis is a mock file loaded from the in-memory mock filesystem.\n\n## Features\n- Virtualized scroll list\n- Fast case-insensitive search\n- Pre-sorted directory indexing\n", -30},
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{"config.yaml", "editor:\n font_size: 14\n line_height: 1.2\n word_wrap: true\ntheme:\n background: \"#ffffff\"\n foreground: \"#000000\"\n", -60},
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{"notes.txt", "Pad Browser Implementation Todo:\n1. Implement directory navigation (Done)\n2. Implement file tapping to open in editor (Done)\n3. Implement external change detection\n4. Add alphabetical index sidebar\n", -15},
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{"setup.log", "2026-06-01 08:00:00 [INFO] Initializing Pad system...\n2026-06-01 08:00:01 [INFO] Mock filesystem populated successfully.\n2026-06-01 08:00:02 [INFO] Worker pool started with 4 goroutines.\n2026-06-01 08:00:03 [INFO] Startup complete, showing browser page.\n", -7},
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{".gitignore", "*.log\n.pad/\n.git/\n*.tmp\n", -90},
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}
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for _, f := range rootFiles {
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fs.AddFile("/"+f.name, []byte(f.content), baseTime.AddDate(0, 0, f.days))
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}
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// --- Documents/Work files ---
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workFiles := []struct {
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name string
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content string
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days int
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}{
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{"Q1_Report.docx", "Pad Word Document Mock\n\nQuarter 1 Performance Report:\nOverall efficiency increased by 15% following implementation of channel-based thread communication.\n", -45},
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{"Q2_Report.docx", "Pad Word Document Mock\n\nQuarter 2 Planning:\nTargeting zero-alloc layout computations and sub-16ms frame times across all devices.\n", -14},
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{"Budget_2026.xlsx", "Pad Spreadsheet Mock\n\nQ1 Expenses: $12,450.00\nQ2 Budgeted: $15,000.00\nTotal Project Allocation: $50,000.00\n", -30},
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{"Meeting_Notes.txt", "Team Sync Notes - June 1, 2026\n\nAttendees: Greg, Agent\n- Solved scroll clamping with search query active.\n- Wired ListView taps to HandleBrowserTap.\n- Dispatched ReadFileTask to render file contents dynamically.\n", -1},
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{"Presentation.pptx", "Pad Presentation Mock\n\nSlide 1: Title - No Practical Limits\nSlide 2: Virtualization is the key\nSlide 3: Single-Owner thread design\n", -21},
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}
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for _, f := range workFiles {
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fs.AddFile("/Documents/Work/"+f.name, []byte(f.content), baseTime.AddDate(0, 0, f.days))
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}
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// --- Documents/Personal files ---
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personalFiles := []struct {
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name string
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content string
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days int
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}{
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{"Resume.pdf", "Greg Pomerantz\nGo & Graphics Software Engineer\n\nSkills: Go, Gio, OpenGL, Concurrency, Virtualization\n", -60},
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{"Tax_Return_2025.pdf", "Form 1040 Mock\n\nAdjusted Gross Income: $120,000.00\nTotal Tax Due: $18,450.00\nRefund Owed: $1,200.00\n", -90},
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{"Recipe_Collection.txt", "Classic Pancakes:\n- 1 cup flour\n- 2 tbsp sugar\n- 1 tbsp baking powder\n- 1/2 tsp salt\n- 1 cup milk\n- 1 egg\n- 2 tbsp melted butter\n", -120},
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{"Letter_to_Friend.txt", "Hey friend,\n\nI've been working on a really cool Go text editor called Pad. It uses Gio for rendering and handles massive files without blocking the GUI thread. Talk soon!\n", -5},
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}
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for _, f := range personalFiles {
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fs.AddFile("/Documents/Personal/"+f.name, []byte(f.content), baseTime.AddDate(0, 0, f.days))
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}
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// --- Projects/pad source files ---
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padFiles := []struct {
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name string
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content string
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days int
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}{
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{"main.go", "package main\n\nfunc main() {\n\t// Startup logic\n}\n", -2},
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{"state.go", "package editor\n\n// Embedded state engine\n", -2},
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{"logic.go", "package editor\n\n// Concurrency logic loop\n", -1},
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{"browser.go", "package browser\n\n// Core directory browser\n", -7},
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{"types.go", "package browser\n\n// Struct definitions\n", -7},
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{"index.go", "package browser\n\n// Cached indices\n", -7},
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{"layout.go", "package browser\n\n// Layout tree creation\n", -5},
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{"handlers.go", "package browser\n\n// Event handling\n", -3},
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{"go.mod", "module pad\n\ngo 1.24.2\n", -30},
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{"go.sum", "gioui.org v0.9.0 h1:...\n", -30},
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}
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for _, f := range padFiles {
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fs.AddFile("/Projects/pad/"+f.name, []byte(f.content), baseTime.AddDate(0, 0, f.days))
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}
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// --- Pictures/Vacation files ---
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vacationFiles := []struct {
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name string
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content string
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days int
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}{
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{"IMG_0001.jpg", "[Binary JPEG Image Data Mock]", -180},
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{"IMG_0002.jpg", "[Binary JPEG Image Data Mock]", -180},
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{"IMG_0003.jpg", "[Binary JPEG Image Data Mock]", -179},
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{"IMG_0004.jpg", "[Binary JPEG Image Data Mock]", -179},
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{"IMG_0005.jpg", "[Binary JPEG Image Data Mock]", -178},
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}
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for _, f := range vacationFiles {
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fs.AddFile("/Pictures/Vacation/"+f.name, []byte(f.content), baseTime.AddDate(0, 0, f.days))
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}
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// --- Downloads files ---
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downloads := []struct {
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name string
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content string
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days int
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}{
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{"installer.dmg", "[DMG Disk Image Mock - 100MB]", -10},
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{"archive.tar.gz", "[Compressed TAR GZ Archive Mock - 50MB]", -20},
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{"patch.diff", "--- a/internal/browser/handlers.go\n+++ b/internal/browser/handlers.go\n@@ -65,3 +65,3 @@\n-bm.NavigateTo(newPath)\n+bm.NavigateTo(entry.Path)\n", -3},
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}
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for _, f := range downloads {
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fs.AddFile("/Downloads/"+f.name, []byte(f.content), baseTime.AddDate(0, 0, f.days))
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}
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}
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// sortModeKey converts a browser.SortMode to its JSON key string.
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func sortModeKey(mode browser.SortMode) string {
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switch mode {
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case 0: // SortModeNameAsc
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return "name_asc"
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case 1: // SortModeNameDesc
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return "name_desc"
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case 2: // SortModeDateAsc
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return "date_asc"
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case 3: // SortModeDateDesc
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return "date_desc"
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default:
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return ""
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}
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}
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// modeCount returns the total number of sort modes.
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func modeCount() int {
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return 4
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}
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// buildBrowserIndex converts mock DirEntry results into a browser.DirectoryIndex
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// with pre-computed position maps for all sort modes.
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func buildBrowserIndex(entries []mock.DirEntry) *browser.DirectoryIndex {
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var browserEntries []browser.Entry
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for _, e := range entries {
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info, err := e.Info()
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if err != nil {
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continue
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}
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browserEntries = append(browserEntries, browser.Entry{
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Path: e.Name(),
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Name: e.Name(),
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Size: info.Size(),
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ModTime: info.ModTime(),
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IsDir: info.IsDir(),
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})
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}
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// Build position maps for all sort modes
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sortOrders := make(map[string][]int)
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for mode := browser.SortMode(0); mode < browser.SortMode(modeCount()); mode++ {
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key := sortModeKey(mode)
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if key != "" {
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sortOrders[key] = buildPositionMap(browserEntries, mode)
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}
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}
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return &browser.DirectoryIndex{
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Path: "/",
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EntryCount: len(browserEntries),
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Entries: browserEntries,
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SortOrders: sortOrders,
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}
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}
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// buildPositionMap creates a sorted index → raw index mapping.
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func buildPositionMap(entries []browser.Entry, mode browser.SortMode) []int {
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n := len(entries)
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indices := make([]int, n)
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for i := range indices {
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indices[i] = i
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}
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// Sort indices based on entry comparison
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cmp := comparator(mode)
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sort.SliceStable(indices, func(i, j int) bool {
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a, b := entries[indices[i]], entries[indices[j]]
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return cmp(a, b) < 0
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})
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return indices
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}
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// comparator returns a comparison function for the given SortMode.
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// Returns negative if a < b, zero if equal, positive if a > b.
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func comparator(mode browser.SortMode) func(a, b browser.Entry) int {
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switch mode {
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case 0: // SortModeNameAsc
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return func(a, b browser.Entry) int {
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if c := strings.Compare(strings.ToLower(a.Name), strings.ToLower(b.Name)); c != 0 {
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return c
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}
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return strings.Compare(a.Name, b.Name)
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}
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case 1: // SortModeNameDesc
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return func(a, b browser.Entry) int {
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if c := strings.Compare(strings.ToLower(b.Name), strings.ToLower(a.Name)); c != 0 {
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return c
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}
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return strings.Compare(b.Name, a.Name)
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}
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case 2: // SortModeDateAsc
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return func(a, b browser.Entry) int {
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if c := a.ModTime.Compare(b.ModTime); c != 0 {
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return c
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}
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return strings.Compare(strings.ToLower(a.Name), strings.ToLower(b.Name))
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}
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case 3: // SortModeDateDesc
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return func(a, b browser.Entry) int {
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if c := b.ModTime.Compare(a.ModTime); c != 0 {
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return c
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}
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return strings.Compare(strings.ToLower(a.Name), strings.ToLower(b.Name))
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}
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default:
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return func(a, b browser.Entry) int { return 0 }
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}
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}
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