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|
package commands
import (
"errors"
"strconv"
"strings"
"git.sr.ht/~rjarry/aerc/app"
)
type ChangeTab struct {
Tab string `opt:"tab" complete:"CompleteTab"`
}
func init() {
register(ChangeTab{})
}
func (ChangeTab) Aliases() []string {
return []string{"ct", "change-tab"}
}
func (*ChangeTab) CompleteTab(arg string) []string {
return FilterList(app.TabNames(), arg, nil)
}
func (c ChangeTab) Execute(args []string) error {
if c.Tab == "-" {
ok := app.SelectPreviousTab()
if !ok {
return errors.New("No previous tab to return to")
}
} else {
n, err := strconv.Atoi(c.Tab)
if err == nil {
switch {
case strings.HasPrefix(c.Tab, "+"):
for ; n > 0; n-- {
app.NextTab()
}
case strings.HasPrefix(c.Tab, "-"):
for ; n < 0; n++ {
app.PrevTab()
}
default:
ok := app.SelectTabIndex(n)
if !ok {
return errors.New(
"No tab with that index")
}
}
} else {
ok := app.SelectTab(c.Tab)
if !ok {
return errors.New("No tab with that name")
}
}
}
return nil
}
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