44 lines
730 B
Go
44 lines
730 B
Go
package ui
|
|
|
|
import (
|
|
"strconv"
|
|
"strings"
|
|
)
|
|
|
|
type (
|
|
// Hint represents keyboard mnemonic.
|
|
Hint struct {
|
|
Mnemonic, Description string
|
|
}
|
|
// Hints a collection of keyboard mnemonics.
|
|
Hints []Hint
|
|
|
|
// Hinter returns a collection of mnemonics.
|
|
Hinter interface {
|
|
Hints() Hints
|
|
}
|
|
)
|
|
|
|
func (h Hints) Len() int {
|
|
return len(h)
|
|
}
|
|
|
|
func (h Hints) Swap(i, j int) {
|
|
h[i], h[j] = h[j], h[i]
|
|
}
|
|
|
|
func (h Hints) Less(i, j int) bool {
|
|
n, err1 := strconv.Atoi(h[i].Mnemonic)
|
|
m, err2 := strconv.Atoi(h[j].Mnemonic)
|
|
if err1 == nil && err2 == nil {
|
|
return n < m
|
|
}
|
|
if err1 == nil && err2 != nil {
|
|
return true
|
|
}
|
|
if err1 != nil && err2 == nil {
|
|
return false
|
|
}
|
|
return strings.Compare(h[i].Description, h[j].Description) < 0
|
|
}
|