initial try

ui/delegate.go

@@ -0,0 +1,96 @@
+package ui
+
+import (
+	"log"
+
+	"github.com/charmbracelet/bubbles/key"
+	"github.com/charmbracelet/bubbles/list"
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/tlinden/anydb/app"
+	"github.com/tlinden/anydb/cfg"
+)
+
+func newItemDelegate(keys *delegateKeyMap, config *cfg.Config) list.DefaultDelegate {
+	d := list.NewDefaultDelegate()
+
+	d.UpdateFunc = func(msg tea.Msg, m *list.Model) tea.Cmd {
+		var title string
+
+		if entry, ok := m.SelectedItem().(app.DbEntry); ok {
+			title = entry.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):
+				if err := config.DB.Del(&app.DbAttr{Key: title}); err != nil {
+					log.Fatal(err)
+				}
+				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"),
+		),
+	}
+}