Adds Simple Filepicker Bubble

filepicker/delegate.go

@@ -0,0 +1,118 @@
+package filepicker
+
+import (
+	"github.com/charmbracelet/bubbles/key"
+	"github.com/charmbracelet/bubbles/list"
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/charmbracelet/lipgloss"
+)
+
+type fileNameStyles struct {
+	fileNotSelected lipgloss.Style
+	fileRegular     lipgloss.Style
+	fileDirectory   lipgloss.Style
+	fileSymLink     lipgloss.Style
+	fileBlockDevice lipgloss.Style
+	fileSelected    lipgloss.Style
+	filterMatch     lipgloss.Style
+}
+
+func newFileNameStyles() (s fileNameStyles) {
+	s.fileNotSelected = lipgloss.NewStyle()
+	s.fileRegular = lipgloss.NewStyle()
+	s.fileDirectory = lipgloss.NewStyle().Bold(true).
+		Foreground(lipgloss.Color("32"))
+	s.fileSymLink = lipgloss.NewStyle().Bold(true).
+		Foreground(lipgloss.Color("36"))
+	s.fileBlockDevice = lipgloss.NewStyle().Bold(true).
+		Foreground(lipgloss.Color("33")).
+		Background(lipgloss.Color("40"))
+	s.fileSelected = lipgloss.NewStyle().
+		Background(lipgloss.Color("#FFFF00")).Foreground(lipgloss.Color("#000000"))
+	s.filterMatch = lipgloss.NewStyle().Underline(true)
+	return s
+}
+
+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().(listItem); ok {
+			title = i.value
+		} else {
+			return nil
+		}
+		statusMessageStyle := lipgloss.NewStyle().
+			Foreground(lipgloss.AdaptiveColor{Light: "#04B575", Dark: "#04B575"}).Render
+
+		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"),
+		),
+	}
+}