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|
package main
import (
"fmt"
"math/rand/v2"
"time"
tui "github.com/grindlemire/go-tui"
)
var gradient = tui.NewGradient(tui.BrightCyan, tui.BrightMagenta)
var phrases = []string{
"The quick brown fox jumps over the lazy dog.",
"Stars scattered across the midnight canvas, each one a whisper of ancient light.",
"Line one of a multi-line message.\nLine two continues here.\nAnd line three wraps it up.",
"Streaming text appears character by character, just like a real-time API response.",
}
type streamDemo struct {
app *tui.App
phraseIdx int
streaming *tui.State[bool]
}
type person struct {
Name string
Role string
Status string
Score int
}
var (
allNames = []string{"Alice", "Bob", "Carol", "Dave", "Eve", "Frank"}
allRoles = []string{"Engineer", "Designer", "PM", "Analyst", "DevOps", "QA"}
allStatuses = []string{"Active", "Away", "Busy", "Offline"}
statusColors = map[string]tui.Color{
"Active": tui.Green,
"Away": tui.Yellow,
"Busy": tui.Red,
"Offline": tui.BrightBlack,
}
)
func StreamDemo() *streamDemo {
return &streamDemo{
streaming: tui.NewState(false),
}
}
func randomPeople() []person {
n := 3 + rand.IntN(3)
used := map[int]bool{}
people := make([]person, 0, n)
for range n {
idx := rand.IntN(len(allNames))
for used[idx] {
idx = rand.IntN(len(allNames))
}
used[idx] = true
people = append(people, person{
Name: allNames[idx],
Role: allRoles[rand.IntN(len(allRoles))],
Status: allStatuses[rand.IntN(len(allStatuses))],
Score: 50 + rand.IntN(51),
})
}
return people
}
func (s *streamDemo) streamWithElement() {
if s.streaming.Get() {
return
}
s.streaming.Set(true)
go func() {
w := s.app.StreamAbove()
w.WriteGradient("Here's a summary:\n", gradient)
time.Sleep(100 * time.Millisecond)
w.WriteElement(ReportCard(randomPeople()))
time.Sleep(100 * time.Millisecond)
w.WriteGradient("Done!\n", gradient)
w.Close()
s.app.QueueUpdate(func() {
s.streaming.Set(false)
})
}()
}
func (s *streamDemo) streamPhrase() {
if s.streaming.Get() {
return
}
s.streaming.Set(true)
text := phrases[s.phraseIdx%len(phrases)]
s.phraseIdx++
go func() {
w := s.app.StreamAbove()
for _, r := range text {
w.WriteGradient(string(r), gradient)
time.Sleep(30 * time.Millisecond)
}
w.Close()
s.app.QueueUpdate(func() {
s.streaming.Set(false)
})
}()
}
func (s *streamDemo) KeyMap() tui.KeyMap {
return tui.KeyMap{
tui.OnStop(tui.KeyEnter, func(ke tui.KeyEvent) { s.streamPhrase() }),
tui.OnStop(tui.KeyTab, func(ke tui.KeyEvent) { s.streamWithElement() }),
tui.On(tui.KeyEscape, func(ke tui.KeyEvent) { ke.App().Stop() }),
tui.On(tui.Rune('c').Ctrl(), func(ke tui.KeyEvent) { ke.App().Stop() }),
}
}
func (s *streamDemo) statusText() string {
if s.streaming.Get() {
return "streaming..."
}
return "Enter to stream | Tab to stream with element | Esc to quit"
}
type ReportCardView struct {
Root *tui.Element
watchers []tui.Watcher
bindApp func(*tui.App)
unbindApp func()
}
func (v *ReportCardView) UnbindApp() {
if v.unbindApp != nil {
v.unbindApp()
}
}
func (v *ReportCardView) GetRoot() *tui.Element { return v.Root }
func (v *ReportCardView) GetWatchers() []tui.Watcher { return v.watchers }
func (v *ReportCardView) Render(app *tui.App) *tui.Element { return v.Root }
func (v *ReportCardView) BindApp(app *tui.App) {
if v.bindApp != nil {
v.bindApp(app)
}
}
func (v *ReportCardView) UpdateProps(fresh tui.Component) {
f, ok := fresh.(*ReportCardView)
if !ok {
return
}
v.Root = f.Root
v.watchers = f.watchers
v.bindApp = f.bindApp
v.unbindApp = f.unbindApp
}
var _ tui.AppBinder = (*ReportCardView)(nil)
var _ tui.AppUnbinder = (*ReportCardView)(nil)
var _ tui.PropsUpdater = (*ReportCardView)(nil)
func ReportCard(people []person) *ReportCardView {
var view ReportCardView
var watchers []tui.Watcher
__tui_0 := tui.New(
tui.WithDisplay(tui.DisplayFlex), tui.WithDirection(tui.Row),
tui.WithJustify(tui.JustifyCenter),
)
__tui_1 := tui.New(
tui.WithDisplay(tui.DisplayFlex), tui.WithDirection(tui.Column),
tui.WithBorder(tui.BorderRounded),
tui.WithWidthPercent(75.00),
tui.WithPaddingTRBL(0, 1, 0, 1),
tui.WithBorderStyle(tui.NewStyle().Foreground(tui.BrightCyan)),
)
__tui_2 := tui.New(
tui.WithText("Streaming Report"),
tui.WithTextStyle(tui.NewStyle().Bold().Foreground(tui.BrightMagenta)),
)
__tui_1.AddChild(__tui_2)
__tui_3 := tui.New(
tui.WithTag("table"),
tui.WithDisplay(tui.DisplayFlex),
tui.WithDirection(tui.Column),
)
__tui_4 := tui.New(
tui.WithTag("tr"),
tui.WithDisplay(tui.DisplayFlex),
tui.WithDirection(tui.Row),
)
__tui_5 := tui.New(
tui.WithTag("th"),
tui.WithText("Name"),
tui.WithFlexGrow(1),
)
__tui_4.AddChild(__tui_5)
__tui_6 := tui.New(
tui.WithTag("th"),
tui.WithText("Role"),
tui.WithFlexGrow(1),
)
__tui_4.AddChild(__tui_6)
__tui_7 := tui.New(
tui.WithTag("th"),
tui.WithText("Status"),
tui.WithFlexGrow(1),
)
__tui_4.AddChild(__tui_7)
__tui_8 := tui.New(
tui.WithTag("th"),
tui.WithText("Score"),
)
__tui_4.AddChild(__tui_8)
__tui_3.AddChild(__tui_4)
__tui_9 := tui.New(
tui.WithHR(),
)
__tui_3.AddChild(__tui_9)
for __idx_0, p := range people {
_ = __idx_0
__tui_10 := tui.New(
tui.WithTag("tr"),
tui.WithDisplay(tui.DisplayFlex),
tui.WithDirection(tui.Row),
)
__tui_11 := tui.New(
tui.WithTag("td"),
tui.WithText(p.Name),
tui.WithFlexGrow(1),
tui.WithTextStyle(tui.NewStyle().Foreground(tui.Cyan)),
)
__tui_10.AddChild(__tui_11)
__tui_12 := tui.New(
tui.WithTag("td"),
tui.WithText(p.Role),
tui.WithFlexGrow(1),
)
__tui_10.AddChild(__tui_12)
__tui_13 := tui.New(
tui.WithTag("td"),
tui.WithText(p.Status),
tui.WithFlexGrow(1),
tui.WithTextStyle(tui.NewStyle().Foreground(statusColors[p.Status])),
)
__tui_10.AddChild(__tui_13)
__tui_14 := tui.New(
tui.WithTag("td"),
tui.WithText(fmt.Sprintf("%d", p.Score)),
tui.WithTextStyle(tui.NewStyle().Bold()),
)
__tui_10.AddChild(__tui_14)
__tui_3.AddChild(__tui_10)
}
__tui_1.AddChild(__tui_3)
__tui_0.AddChild(__tui_1)
__bindApp := func(app *tui.App) {
}
__unbindApp := func() {
}
view = ReportCardView{
Root: __tui_0,
watchers: watchers,
bindApp: __bindApp,
unbindApp: __unbindApp,
}
return &view
}
func (s *streamDemo) Render(app *tui.App) *tui.Element {
__tui_0 := tui.New(
tui.WithBorder(tui.BorderRounded),
tui.WithBorderStyle(tui.NewStyle().Foreground(tui.Cyan)),
tui.WithAlign(tui.AlignCenter),
tui.WithJustify(tui.JustifyCenter),
)
__tui_1 := tui.New(
tui.WithText(s.statusText()),
tui.WithTextStyle(tui.NewStyle().Foreground(tui.Cyan)),
)
__tui_0.AddChild(__tui_1)
return __tui_0
}
func (s *streamDemo) updatePropsFields(fresh tui.Component) {
f, ok := fresh.(*streamDemo)
if !ok {
return
}
s.app = f.app
s.phraseIdx = f.phraseIdx
}
func (s *streamDemo) UpdateProps(fresh tui.Component) {
s.updatePropsFields(fresh)
}
var _ tui.PropsUpdater = (*streamDemo)(nil)
func (s *streamDemo) bindAppFields(app *tui.App) {
s.app = app
if s.streaming != nil {
s.streaming.BindApp(app)
}
}
func (s *streamDemo) BindApp(app *tui.App) {
s.bindAppFields(app)
}
var _ tui.AppBinder = (*streamDemo)(nil)
var (
_ tui.KeyListener = (*streamDemo)(nil)
)
|