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package decor
var (
_ Decorator = onCompleteWrapper{}
_ Wrapper = onCompleteWrapper{}
_ Decorator = onCompleteMetaWrapper{}
_ Wrapper = onCompleteMetaWrapper{}
)
// OnComplete wrap decorator.
// Displays provided message on complete event.
//
// `decorator` Decorator to wrap
// `message` message to display
func OnComplete(decorator Decorator, message string) Decorator {
if decorator == nil {
return nil
}
return onCompleteWrapper{decorator, message}
}
type onCompleteWrapper struct {
Decorator
msg string
}
func (d onCompleteWrapper) Decor(s Statistics) (string, int) {
if s.Completed {
return d.Format(d.msg)
}
return d.Decorator.Decor(s)
}
func (d onCompleteWrapper) Unwrap() Decorator {
return d.Decorator
}
// OnCompleteMeta wrap decorator.
// Provided fn is supposed to wrap output of given decorator
// with meta information like ANSI escape codes for example.
// Primary usage intention is to set SGR display attributes.
//
// `decorator` Decorator to wrap
// `fn` func to apply meta information
func OnCompleteMeta(decorator Decorator, fn func(string) string) Decorator {
if decorator == nil {
return nil
}
return onCompleteMetaWrapper{decorator, fn}
}
type onCompleteMetaWrapper struct {
Decorator
fn func(string) string
}
func (d onCompleteMetaWrapper) Decor(s Statistics) (string, int) {
if s.Completed {
str, width := d.Decorator.Decor(s)
return d.fn(str), width
}
return d.Decorator.Decor(s)
}
func (d onCompleteMetaWrapper) Unwrap() Decorator {
return d.Decorator
}
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