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package decor
import (
"fmt"
"github.com/vbauerster/mpb/internal"
)
// Percentage returns percentage decorator.
//
// `wcc` optional WC config
func Percentage(wcc ...WC) Decorator {
var wc WC
for _, widthConf := range wcc {
wc = widthConf
}
wc.Init()
d := &percentageDecorator{
WC: wc,
}
return d
}
type percentageDecorator struct {
WC
completeMsg *string
}
func (d *percentageDecorator) Decor(st *Statistics) string {
if st.Completed && d.completeMsg != nil {
return d.FormatMsg(*d.completeMsg)
}
str := fmt.Sprintf("%d %%", internal.Percentage(st.Total, st.Current, 100))
return d.FormatMsg(str)
}
func (d *percentageDecorator) OnCompleteMessage(msg string) {
d.completeMsg = &msg
}
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