func (dl *DirectoryListing) ChangeDirectory(dir string) error {
cwd, err := backend.CreateDirEntry(dir)
if err != nil {
return err
}
dl.current_dir = cwd
dl.current_coloredstrings = make(map[*backend.FileEntry]backend.ColoredScrollingString)
dl.pl = PrintableListing{
column_width: LS_COL_WIDTH,
startx: dl.pl.startx,
starty: dl.pl.starty,
width: dl.pl.width,
height: dl.pl.height,
}
dl.pl.ElementToFilterValue = dl_elementtofiltervalue_func()
dl.pl.ElementPrintValue = dl_elementprintvalue_func(dl)
return nil
}
func NewListing(startx, starty int, width, height int, update_chan chan int) *DirectoryListing {
directoryName, err := os.Getwd()
panic_perhaps(err)
cwd, err := backend.CreateDirEntry(directoryName)
panic_perhaps(err)
dl := &DirectoryListing{
current_dir: cwd,
current_coloredstrings: make(map[*backend.FileEntry]backend.ColoredScrollingString),
pl: PrintableListing{
column_width: LS_COL_WIDTH,
startx: startx,
starty: starty,
width: width,
height: height - 1,
},
}
dl.pl.ElementToFilterValue = dl_elementtofiltervalue_func()
dl.pl.ElementPrintValue = dl_elementprintvalue_func(dl)
dl.FinalizeCallback = func(_ string) error {
dl.CdHighlighted()
dl.CL.Clear()
return nil
}
dl.CL.X = startx
dl.CL.Y = starty + height - 1
dl.CL.Length = width
dl.CL.FG = termbox.ColorWhite
dl.CL.BG = termbox.ColorBlack
dl.CL.Cmd = make([]rune, 0, 8)
dl.CL.FillRune = ' '
dl.CL.Prefix = "> "
dl.pl.UpdateFilter(&dl.current_dir.Contents, string(dl.CL.Cmd))
return dl
}
