1package tabs
2
3import (
4 "strings"
5
6 tea "github.com/charmbracelet/bubbletea"
7 "github.com/charmbracelet/lipgloss"
8 "github.com/charmbracelet/soft-serve/ui/common"
9)
10
11// SelectTabMsg is a message that contains the index of the tab to select.
12type SelectTabMsg int
13
14// ActiveTabMsg is a message that contains the index of the current active tab.
15type ActiveTabMsg int
16
17// Tabs is bubbletea component that displays a list of tabs.
18type Tabs struct {
19 common common.Common
20 tabs []string
21 activeTab int
22 TabSeparator lipgloss.Style
23 TabInactive lipgloss.Style
24 TabActive lipgloss.Style
25}
26
27// New creates a new Tabs component.
28func New(c common.Common, tabs []string) *Tabs {
29 r := &Tabs{
30 common: c,
31 tabs: tabs,
32 activeTab: 0,
33 TabSeparator: c.Styles.TabSeparator,
34 TabInactive: c.Styles.TabInactive,
35 TabActive: c.Styles.TabActive,
36 }
37 return r
38}
39
40// SetSize implements common.Component.
41func (t *Tabs) SetSize(width, height int) {
42 t.common.SetSize(width, height)
43}
44
45// Init implements tea.Model.
46func (t *Tabs) Init() tea.Cmd {
47 t.activeTab = 0
48 return nil
49}
50
51// Update implements tea.Model.
52func (t *Tabs) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
53 cmds := make([]tea.Cmd, 0)
54 switch msg := msg.(type) {
55 case tea.KeyMsg:
56 switch msg.String() {
57 case "tab":
58 t.activeTab = (t.activeTab + 1) % len(t.tabs)
59 cmds = append(cmds, t.activeTabCmd)
60 case "shift+tab":
61 t.activeTab = (t.activeTab - 1 + len(t.tabs)) % len(t.tabs)
62 cmds = append(cmds, t.activeTabCmd)
63 }
64 case SelectTabMsg:
65 tab := int(msg)
66 if tab >= 0 && tab < len(t.tabs) {
67 t.activeTab = int(msg)
68 }
69 }
70 return t, tea.Batch(cmds...)
71}
72
73// View implements tea.Model.
74func (t *Tabs) View() string {
75 s := strings.Builder{}
76 sep := t.TabSeparator
77 for i, tab := range t.tabs {
78 style := t.TabInactive.Copy()
79 if i == t.activeTab {
80 style = t.TabActive.Copy()
81 }
82 s.WriteString(style.Render(tab))
83 if i != len(t.tabs)-1 {
84 s.WriteString(sep.String())
85 }
86 }
87 return lipgloss.NewStyle().
88 MaxWidth(t.common.Width).
89 Render(s.String())
90}
91
92func (t *Tabs) activeTabCmd() tea.Msg {
93 return ActiveTabMsg(t.activeTab)
94}
95
96// SelectTabCmd is a bubbletea command that selects the tab at the given index.
97func SelectTabCmd(tab int) tea.Cmd {
98 return func() tea.Msg {
99 return SelectTabMsg(tab)
100 }
101}