Method Show

interactive_multiselect_printer.go:136–320

Show shows the interactive multiselect menu and returns the selected entry.

(text ...string)

// Show shows the interactive multiselect menu and returns the selected entry.
func (p *InteractiveMultiselectPrinter) Show(text ...string) ([]string, error) {
	// should be the first defer statement to make sure it is executed last
	// and all the needed cleanup can be done before
	cancel, exit := internal.NewCancelationSignal(p.OnInterruptFunc)
	defer exit()

	if len(text) == 0 || Sprint(text[0]) == "" {
		text = []string{p.DefaultText}
	}

	p.text = p.TextStyle.Sprint(text[0])
	p.fuzzySearchMatches = append([]string{}, p.Options...)

	if p.MaxHeight == 0 {
		p.MaxHeight = DefaultInteractiveMultiselect.MaxHeight
	}

	maxHeight := p.MaxHeight
	if maxHeight > len(p.fuzzySearchMatches) {
		maxHeight = len(p.fuzzySearchMatches)
	}

	if len(p.Options) == 0 {
		return nil, fmt.Errorf("no options provided")
	}

	p.displayedOptions = append([]string{}, p.fuzzySearchMatches[:maxHeight]...)
	p.displayedOptionsStart = 0
	p.displayedOptionsEnd = maxHeight

	for _, option := range p.DefaultOptions {
		p.selectOption(option)
	}

	area, err := DefaultArea.Start(p.renderSelectMenu())
	defer area.Stop()
	if err != nil {
		return nil, fmt.Errorf("could not start area: %w", err)
	}

	if p.Filter && (p.KeyConfirm == keys.Space || p.KeySelect == keys.Space) {
		return nil, fmt.Errorf("if filter/search is active, keys.Space can not be used for KeySelect or KeyConfirm")
	}

	area.Update(p.renderSelectMenu())

	cursor.Hide()
	defer cursor.Show()
	err = keyboard.Listen(func(keyInfo keys.Key) (stop bool, err error) {
		key := keyInfo.Code

		if p.MaxHeight > len(p.fuzzySearchMatches) {
			maxHeight = len(p.fuzzySearchMatches)
		} else {
			maxHeight = p.MaxHeight
		}

		switch key {