// Color will set the struct field for the given color to be used
func (s *Spinner) Color(c string) error {
if validColor(c) {
switch c {
case "red":
s.color = color.New(color.FgRed).SprintFunc()
s.Restart()
case "yellow":
s.color = color.New(color.FgYellow).SprintFunc()
s.Restart()
case "green":
s.color = color.New(color.FgGreen).SprintFunc()
s.Restart()
case "magenta":
s.color = color.New(color.FgMagenta).SprintFunc()
s.Restart()
case "blue":
s.color = color.New(color.FgBlue).SprintFunc()
s.Restart()
case "cyan":
s.color = color.New(color.FgCyan).SprintFunc()
s.Restart()
case "white":
s.color = color.New(color.FgWhite).SprintFunc()
s.Restart()
default:
return errors.New("invalid color")
}
}
return nil
}
// New provides a pointer to an instance of Spinner with the supplied options
func New(c []string, t time.Duration) *Spinner {
s := &Spinner{
Delay: t,
stopChan: make(chan bool, 1),
color: color.New(color.FgWhite).SprintFunc(),
w: os.Stdout,
}
s.UpdateCharSet(c)
return s
}
func (m *Manifest) prefixForEntry(name string, pos int) string {
longest := 0
for name, _ := range *m {
if len(name) > longest {
longest = len(name)
}
}
c := color.New(Colors[pos%len(Colors)])
c.EnableColor()
return c.SprintFunc()(name + strings.Repeat(" ", longest-len(name)) + " |")
}