74 lines
1.5 KiB
Go
74 lines
1.5 KiB
Go
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package fileElements
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import "io/fs"
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import "path/filepath"
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import "git.tebibyte.media/sashakoshka/tomo/elements/basic"
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type ReadDirStatFS interface {
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fs.ReadDirFS
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fs.StatFS
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}
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type DirectoryView struct {
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*basicElements.List
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filesystem ReadDirStatFS
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location string
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onChoose func (file string)
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}
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func NewDirectoryView (
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location string,
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within ReadDirStatFS,
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) (
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element *DirectoryView,
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err error,
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) {
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element = &DirectoryView {
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List: basicElements.NewList(),
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}
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err = element.SetLocation(location, within)
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return
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}
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func (element *DirectoryView) Location () (string, fs.ReadDirFS) {
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return element.location, element.filesystem
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}
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func (element *DirectoryView) SetLocation (
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location string,
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within ReadDirStatFS,
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) error {
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if within == nil {
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within = defaultFS { }
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}
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element.location = location
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element.filesystem = within
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return element.Update()
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}
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func (element *DirectoryView) Update () error {
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entries, err := element.filesystem.ReadDir(element.location)
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listEntries := make([]basicElements.ListEntry, len(entries))
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for index, entry := range entries {
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filePath := filepath.Join(element.location, entry.Name())
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listEntries[index] = basicElements.NewListEntry (
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entry.Name(),
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func () {
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filePath := filePath
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if element.onChoose != nil {
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element.onChoose(filePath)
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}
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})
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}
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element.Clear()
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element.Append(listEntries...)
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return err
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}
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func (element *DirectoryView) OnChoose (callback func (file string)) {
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element.onChoose = callback
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}
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