1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89
|
package main
import (
"github.com/charmbracelet/bubbles/key"
"github.com/charmbracelet/bubbles/list"
tea "github.com/charmbracelet/bubbletea"
)
func newItemDelegate(keys *delegateKeyMap) list.DefaultDelegate {
d := list.NewDefaultDelegate()
d.UpdateFunc = func(msg tea.Msg, m *list.Model) tea.Cmd {
var title string
if i, ok := m.SelectedItem().(item); ok {
title = i.Title()
} else {
return nil
}
switch msg := msg.(type) {
case tea.KeyMsg:
switch {
case key.Matches(msg, keys.choose):
return m.NewStatusMessage(statusMessageStyle("You chose " + title))
case key.Matches(msg, keys.remove):
index := m.Index()
m.RemoveItem(index)
if len(m.Items()) == 0 {
keys.remove.SetEnabled(false)
}
return m.NewStatusMessage(statusMessageStyle("Deleted " + title))
}
}
return nil
}
help := []key.Binding{keys.choose, keys.remove}
d.ShortHelpFunc = func() []key.Binding {
return help
}
d.FullHelpFunc = func() [][]key.Binding {
return [][]key.Binding{help}
}
return d
}
type delegateKeyMap struct {
choose key.Binding
remove key.Binding
}
// Additional short help entries. This satisfies the help.KeyMap interface and
// is entirely optional.
func (d delegateKeyMap) ShortHelp() []key.Binding {
return []key.Binding{
d.choose,
d.remove,
}
}
// Additional full help entries. This satisfies the help.KeyMap interface and
// is entirely optional.
func (d delegateKeyMap) FullHelp() [][]key.Binding {
return [][]key.Binding{
{
d.choose,
d.remove,
},
}
}
func newDelegateKeyMap() *delegateKeyMap {
return &delegateKeyMap{
choose: key.NewBinding(
key.WithKeys("enter"),
key.WithHelp("enter", "choose"),
),
remove: key.NewBinding(
key.WithKeys("x", "backspace"),
key.WithHelp("x", "delete"),
),
}
}
|