// CmdMenu offers a menu of available commands.
func (editor *Editor) CmdMenu() {
keys := editor.keymap.Keys()
sort.Strings(keys)
names := editor.keymap.DisplayNames(keys, "")
xkeys := editor.xKeymap.Keys()
sort.Strings(xkeys)
xnames := editor.xKeymap.DisplayNames(xkeys, "Alt-6 ")
names = append(names, xnames...)
menu := terminal.NewMenu(editor.screen)
idx := menu.Choose(names)
if idx < 0 {
return
}
if idx < len(keys) {
key := keys[idx]
editor.keymap.Run(key)
} else {
key := xkeys[idx-len(keys)]
editor.xKeymap.Run(key)
}
}
// SetCharMode offers a menu for selecting the character
// display mode.
func (editor *Editor) SetCharMode() {
modes := editor.screen.ListCharModes()
menu := terminal.NewMenu(editor.screen)
idx := menu.Choose(modes)
if idx >= 0 {
editor.screen.SetCharMode(idx)
}
}
// SelectFile offers a menu to select from open files.
func (editor *Editor) SelectFile() {
names := []string{}
for _, file := range editor.files {
names = append(names, file.Name)
}
menu := terminal.NewMenu(editor.screen)
idx := menu.Choose(names)
if idx >= 0 {
editor.SwitchFile(idx)
}
}
// PasteFromMenu allows the user to select from the paste history.
func (editor *Editor) PasteFromMenu() {
menu := terminal.NewMenu(editor.screen)
items := []string{}
for _, buffer := range editor.copyHist {
str := strings.Join(buffer, " || ")
items = append(items, str)
}
idx := menu.Choose(items)
if idx < 0 || idx >= len(editor.copyHist) {
return
}
editor.file.Paste(editor.copyHist[idx])
}
// OpenNewFile offers a file selection menu to choose a new file to open.
func (editor *Editor) OpenNewFile() {
dir, _ := os.Getwd()
dir += "/"
names := []string{}
idx := 0
files := []os.FileInfo{}
for {
files, _ = ioutil.ReadDir(dir)
dotdot, err := os.Stat("../")
if err == nil {
files = append([]os.FileInfo{dotdot}, files...)
}
names = []string{}
for _, file := range files {
if file.IsDir() {
names = append(names, file.Name()+"/")
} else {
names = append(names, file.Name())
}
}
menu := terminal.NewMenu(editor.screen)
idx = menu.Choose(names)
editor.Flush()
if idx < 0 {
return
}
chosenFile := files[idx]
if chosenFile.IsDir() {
dir = filepath.Clean(dir+chosenFile.Name()) + "/"
} else {
break
}
}
cwd, _ := os.Getwd()
chosenFile, _ := filepath.Rel(cwd, dir+names[idx])
editor.OpenFile(chosenFile)
editor.fileIdxPrv = editor.fileIdx
editor.fileIdx = len(editor.files) - 1
editor.file = editor.files[editor.fileIdx]
}