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package commands
import (
"errors"
"fmt"
"strconv"
"strings"
"git.sr.ht/~sircmpwn/aerc/widgets"
)
type ChangeTab struct{}
func init() {
register(ChangeTab{})
}
func (ChangeTab) Aliases() []string {
return []string{"ct", "change-tab"}
}
func (ChangeTab) Complete(aerc *widgets.Aerc, args []string) []string {
if len(args) == 0 {
return aerc.TabNames()
}
out := make([]string, 0)
for _, tab := range aerc.TabNames() {
if strings.HasPrefix(tab, args[0]) {
out = append(out, tab)
}
}
return out
}
func (ChangeTab) Execute(aerc *widgets.Aerc, args []string) error {
if len(args) != 2 {
return fmt.Errorf("Usage: %s <tab>", args[0])
}
if args[1] == "-" {
ok := aerc.SelectPreviousTab()
if !ok {
return errors.New("No previous tab to return to")
}
} else {
n, err := strconv.Atoi(args[1])
if err == nil {
if strings.HasPrefix(args[1], "+") {
for ; n > 0; n-- {
aerc.NextTab()
}
} else if strings.HasPrefix(args[1], "-") {
for ; n < 0; n++ {
aerc.PrevTab()
}
} else {
ok := aerc.SelectTabIndex(n)
if !ok {
return errors.New(
"No tab with that index")
}
}
} else {
ok := aerc.SelectTab(args[1])
if !ok {
return errors.New("No tab with that name")
}
}
}
return nil
}
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