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package shared
import (
"io/fs"
"os"
"path/filepath"
"sort"
"strings"
tea "github.com/charmbracelet/bubbletea"
"github.com/charmbracelet/lipgloss"
)
const (
MaxVisibleFiles = 10
)
type FilePickerModel struct {
currentDir string
files []fs.DirEntry
selected int
selectedFile string
err error
scrollOffset int
}
func NewFilePicker() FilePickerModel {
homeDir, err := os.UserHomeDir()
if err != nil {
homeDir = "."
}
fp := FilePickerModel{
currentDir: homeDir,
selected: 0,
scrollOffset: 0,
}
fp.loadDirectory()
return fp
}
func (m *FilePickerModel) loadDirectory() {
files, err := os.ReadDir(m.currentDir)
if err != nil {
m.err = err
m.files = nil
return
}
var filteredFiles []fs.DirEntry
// Always add parent directory option unless we're at root
parentDir := filepath.Dir(m.currentDir)
if parentDir != m.currentDir {
// Create a synthetic directory entry for ".."
filteredFiles = append(filteredFiles, &parentDirEntry{})
}
// Add directories and SQLite files
for _, file := range files {
if file.IsDir() {
filteredFiles = append(filteredFiles, file)
} else if strings.HasSuffix(strings.ToLower(file.Name()), ".db") ||
strings.HasSuffix(strings.ToLower(file.Name()), ".sqlite") ||
strings.HasSuffix(strings.ToLower(file.Name()), ".sqlite3") {
filteredFiles = append(filteredFiles, file)
}
}
// Sort: parent directory first, then directories, then files
sort.Slice(filteredFiles, func(i, j int) bool {
nameI := filteredFiles[i].Name()
nameJ := filteredFiles[j].Name()
// Parent directory always comes first
if nameI == ".." {
return true
}
if nameJ == ".." {
return false
}
// Then sort by type (directories first) and name
if filteredFiles[i].IsDir() != filteredFiles[j].IsDir() {
return filteredFiles[i].IsDir()
}
return nameI < nameJ
})
m.files = filteredFiles
m.selected = 0
m.scrollOffset = 0
m.err = nil
}
// parentDirEntry implements fs.DirEntry for the ".." parent directory
type parentDirEntry struct{}
func (p *parentDirEntry) Name() string { return ".." }
func (p *parentDirEntry) IsDir() bool { return true }
func (p *parentDirEntry) Type() fs.FileMode { return fs.ModeDir }
func (p *parentDirEntry) Info() (fs.FileInfo, error) { return nil, nil }
func (m FilePickerModel) Init() tea.Cmd {
return nil
}
func (m FilePickerModel) Update(msg tea.Msg) (FilePickerModel, tea.Cmd) {
switch msg := msg.(type) {
case tea.KeyMsg:
switch msg.String() {
case "up", "k":
if m.selected > 0 {
m.selected--
// Adjust scroll offset to keep selection visible
if m.selected < m.scrollOffset {
m.scrollOffset = m.selected
}
}
case "down", "j":
if m.selected < len(m.files)-1 {
m.selected++
// Adjust scroll offset to keep selection visible
if m.selected >= m.scrollOffset+MaxVisibleFiles {
m.scrollOffset = m.selected - MaxVisibleFiles + 1
}
}
case "enter":
if len(m.files) == 0 {
break
}
selectedFile := m.files[m.selected]
if selectedFile.IsDir() {
if selectedFile.Name() == ".." {
// Navigate to parent directory
m.currentDir = filepath.Dir(m.currentDir)
} else {
// Navigate to selected directory
m.currentDir = filepath.Join(m.currentDir, selectedFile.Name())
}
m.loadDirectory()
} else {
// Select the SQLite file
m.selectedFile = filepath.Join(m.currentDir, selectedFile.Name())
}
}
}
return m, nil
}
func (m FilePickerModel) View() string {
// Fixed height container to prevent UI pushing
containerStyle := lipgloss.NewStyle().
Border(lipgloss.RoundedBorder()).
Padding(1, 2).
Width(80).
Height(MaxVisibleFiles + 8) // Fixed height: header + files + help + padding
if m.err != nil {
errorContent := "Select SQLite Database File\n\nError: " + m.err.Error()
return containerStyle.Render(errorContent)
}
var content strings.Builder
// Header section
headerStyle := lipgloss.NewStyle().Bold(true).Foreground(lipgloss.Color("12"))
content.WriteString(headerStyle.Render("Select SQLite Database File"))
content.WriteString("\n")
content.WriteString("Current: " + filepath.Base(m.currentDir))
content.WriteString("\n\n")
// Files section with fixed height
if len(m.files) == 0 {
content.WriteString("No SQLite files found in this directory")
// Add padding to maintain consistent height
for i := 0; i < MaxVisibleFiles-1; i++ {
content.WriteString("\n")
}
} else {
visibleStart := m.scrollOffset
visibleEnd := min(visibleStart+MaxVisibleFiles, len(m.files))
// Display visible files
for i := visibleStart; i < visibleEnd; i++ {
file := m.files[i]
var line string
if file.Name() == ".." {
line = "📁 .. (parent directory)"
} else if file.IsDir() {
line = "📁 " + file.Name() + "/"
} else {
line = "📄 " + file.Name()
}
if i == m.selected {
selectedStyle := lipgloss.NewStyle().
Background(lipgloss.Color("12")).
Foreground(lipgloss.Color("0"))
line = selectedStyle.Render("> " + line)
} else {
line = " " + line
}
content.WriteString(line + "\n")
}
// Fill remaining lines to maintain consistent height
remainingLines := MaxVisibleFiles - (visibleEnd - visibleStart)
for range remainingLines {
content.WriteString("\n")
}
}
// Footer with navigation help
helpStyle := lipgloss.NewStyle().Foreground(lipgloss.Color("8"))
help := helpStyle.Render("↑/↓: navigate, Enter: select/open, Esc: cancel")
content.WriteString("\n" + help)
return containerStyle.Render(content.String())
}
func min(a, b int) int {
if a < b {
return a
}
return b
}
func (m FilePickerModel) SelectedFile() string {
return m.selectedFile
}
|
