func (b *BarContainer) redrawAll(moveUp int) {
c, _ := curse.New()
newHistory := make(map[int]string)
for line, printed := range b.history {
newHistory[line+moveUp] = printed
c.Move(1, line)
c.EraseCurrentLine()
c.Move(1, line+moveUp)
c.EraseCurrentLine()
fmt.Print(printed)
}
b.history = newHistory
c.Move(c.StartingPosition.X, c.StartingPosition.Y)
}
func (p *ProgressBar) Update(progress int) {
bar := make([]string, p.Width)
// avoid division by zero errors on non-properly constructed progressbars
if p.Width == 0 {
p.Width = 1
}
if p.Total == 0 {
p.Total = 1
}
justGotToFirstEmptySpace := true
for i, _ := range bar {
if float32(progress)/float32(p.Total) > float32(i)/float32(p.Width) {
bar[i] = string(p.Fill)
} else {
bar[i] = string(p.Empty)
if justGotToFirstEmptySpace {
bar[i] = string(p.Head)
justGotToFirstEmptySpace = false
}
}
}
percent := ""
if p.ShowPercent {
asInt := int(100 * (float32(progress) / float32(p.Total)))
padding := ""
if asInt < 10 {
padding = " "
} else if asInt < 99 {
padding = " "
}
percent = padding + strconv.Itoa(asInt) + "% "
}
timeElapsed := ""
if p.ShowTimeElapsed {
timeElapsed = " " + prettyTime(time.Since(p.StartTime))
}
// record where we are, jump to the progress bar, update it, jump back
c, _ := curse.New()
c.Move(1, p.Line)
c.EraseCurrentLine()
fmt.Printf("\r%s %s%c%s%c%s", p.Prepend, percent, p.LeftEnd, strings.Join(bar, ""), p.RightEnd, timeElapsed)
c.Move(c.StartingPosition.X, c.StartingPosition.Y)
}