views.go
1package common
2
3import (
4 "fmt"
5 "strings"
6
7 "github.com/charmbracelet/lipgloss"
8)
9
10// State is a general UI state used to help style components.
11type State int
12
13// UI states.
14const (
15 StateNormal State = iota
16 StateSelected
17 StateActive
18 StateSpecial
19 StateDeleting
20)
21
22var lineColors = map[State]lipgloss.TerminalColor{
23 StateNormal: lipgloss.AdaptiveColor{Light: "#BCBCBC", Dark: "#646464"},
24 StateSelected: lipgloss.Color("#F684FF"),
25 StateDeleting: lipgloss.AdaptiveColor{Light: "#FF8BA7", Dark: "#893D4E"},
26 StateSpecial: lipgloss.Color("#04B575"),
27}
28
29// VerticalLine return a vertical line colored according to the given state.
30func VerticalLine(renderer *lipgloss.Renderer, state State) string {
31 return renderer.NewStyle().
32 SetString("│").
33 Foreground(lineColors[state]).
34 String()
35}
36
37// KeyValueView renders key-value pairs.
38func KeyValueView(styles Styles, stuff ...string) string {
39 if len(stuff) == 0 {
40 return ""
41 }
42
43 var (
44 s string
45 index int
46 )
47 for i := 0; i < len(stuff); i++ {
48 if i%2 == 0 {
49 // even: key
50 s += fmt.Sprintf("%s %s: ", VerticalLine(styles.Renderer, StateNormal), stuff[i])
51 continue
52 }
53 // odd: value
54 s += styles.Label.Render(stuff[i])
55 s += "\n"
56 index++
57 }
58
59 return strings.TrimSpace(s)
60}
61
62// OKButtonView returns a button reading "OK".
63func OKButtonView(styles Styles, focused bool, defaultButton bool) string {
64 return styledButton(styles, "OK", defaultButton, focused)
65}
66
67// CancelButtonView returns a button reading "Cancel.".
68func CancelButtonView(styles Styles, focused bool, defaultButton bool) string {
69 return styledButton(styles, "Cancel", defaultButton, focused)
70}
71
72func styledButton(styles Styles, str string, underlined, focused bool) string {
73 var st lipgloss.Style
74 if focused {
75 st = styles.FocusedButtonStyle
76 } else {
77 st = styles.BlurredButtonStyle
78 }
79 if underlined {
80 st = st.Underline(true)
81 }
82 return st.Render(str)
83}
84
85// HelpView renders text intended to display at help text, often at the
86// bottom of a view.
87func HelpView(styles Styles, sections ...string) string {
88 var s string
89 if len(sections) == 0 {
90 return s
91 }
92
93 for i := 0; i < len(sections); i++ {
94 s += styles.HelpSection.Render(sections[i])
95 if i < len(sections)-1 {
96 s += styles.HelpDivider.Render()
97 }
98 }
99
100 return s
101}
102
103func LogoView() string {
104 return `
105 . ."
106 i-~l^ 'I~??!
107 I??_??-<I^ .,!_??+<-?I
108 _-+ .,!+??->:;<??-<;' +-_
109 '-?i ':i_??_!". i?-'
110 _-+ '' +-_
111 I??I I??I
112 !??l. .l??i
113 ;_?_I' 'I_?_;
114 .I+??_>l:,,:l>_??+I.
115 ';i+--??--+i;'
116 ....`
117}