add custom help bar

pkg/tui/views/dashboard/help_bar.go

@@ -0,0 +1,94 @@
+package dashboard
+
+import (
+	"github.com/LazyBachelor/LazyPM/pkg/tui/styles"
+	"github.com/charmbracelet/lipgloss"
+)
+
+type HelpBar struct {
+	keyMap  DashboardKeyMap
+	showAll bool
+	width   int
+}
+
+func NewHelpBar(keyMap DashboardKeyMap) HelpBar {
+	return HelpBar{keyMap: keyMap}
+}
+
+func (h *HelpBar) SetWidth(width int) {
+	h.width = width
+}
+
+func (h HelpBar) View() string {
+	if h.width == 0 {
+		return ""
+	}
+	if h.showAll {
+		return h.fullHelp()
+	}
+	return h.shortHelp()
+}
+
+func (h HelpBar) shortHelp() string {
+	keys := []string{
+		styles.HighlightKey("↑/k") + " up",
+		styles.HighlightKey("↓/j") + " down",
+		styles.HighlightKey("q") + " quit",
+		styles.HighlightKey("?") + " help",
+	}
+	content := lipgloss.JoinHorizontal(lipgloss.Left, keys...)
+	return lipgloss.NewStyle().
+		Border(lipgloss.Border{Top: "─"}, true, false, false, false).
+		BorderForeground(styles.SecondaryBorder).
+		Padding(0, 1).
+		Width(h.width).
+		Render(content)
+}
+
+func (h HelpBar) fullHelp() string {
+	keyStyle := lipgloss.NewStyle().Width(8).Align(lipgloss.Right)
+	descStyle := lipgloss.NewStyle().Width(12)
+
+	renderHelpItem := func(key, desc string) string {
+		return lipgloss.JoinHorizontal(
+			lipgloss.Left,
+			keyStyle.Render(styles.HighlightKey(key)),
+			" ",
+			descStyle.Render(desc),
+		)
+	}
+
+	renderRow := func(leftKey, leftDesc, rightKey, rightDesc string) string {
+		leftItem := renderHelpItem(leftKey, leftDesc)
+		rightItem := renderHelpItem(rightKey, rightDesc)
+		return lipgloss.JoinHorizontal(lipgloss.Left, leftItem, "  ", rightItem)
+	}
+
+	rows := []string{
+		renderRow("↑/k", "up", "enter", "view issue"),
+		renderRow("↓/j", "down", "b", "back to list"),
+		renderRow("?", "help", "q", "quit"),
+	}
+	content := lipgloss.JoinVertical(lipgloss.Left, rows...)
+	return lipgloss.NewStyle().
+		Border(lipgloss.Border{Top: "─"}, true, false, false, false).
+		BorderForeground(styles.SecondaryBorder).
+		Padding(0, 1).
+		Width(h.width).
+		Render(content)
+}
+
+func (h HelpBar) Height() int {
+	if h.showAll {
+		return 3
+	}
+	return 1
+}
+
+func (h HelpBar) IsExpanded() bool {
+	return h.showAll
+}
+
+func (h *HelpBar) ToggleHelp() {
+	h.showAll = !h.showAll
+}