84 lines
1.7 KiB
Go
84 lines
1.7 KiB
Go
package ui
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import (
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"fmt"
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"strings"
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"github.com/orus-dev/osui"
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"github.com/orus-dev/osui/styles"
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)
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type PaginatorStyle struct {
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Active string `default:"\033[32m"`
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}
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type PaginatorComponent struct {
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Data osui.ComponentData
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Style *PaginatorStyle
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Pages []osui.Component
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UpdatePages map[int]func(string) bool
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ActivePage int
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}
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func (p *PaginatorComponent) GetComponentData() *osui.ComponentData {
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return &p.Data
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}
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func (p PaginatorComponent) Render() string {
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pgs := strings.Repeat(" ", p.Data.Screen.Width/2)
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for page := range p.Pages {
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if page == p.ActivePage {
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pgs += p.Style.Active + "•" + styles.Reset
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} else {
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pgs += styles.Reset + "•"
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}
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}
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frame := osui.NewFrame(p.Data.Screen.Width, p.Data.Screen.Height-3)
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osui.RenderOnFrame(p.Pages[p.ActivePage], &frame)
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return fmt.Sprintf("%s\n%s", pgs, styles.Reset+strings.Join(frame, "\n"))
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}
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func (p *PaginatorComponent) Run() {
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for _, c := range p.Pages {
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d := c.GetComponentData()
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if d.Screen == nil {
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d.Screen = p.Data.Screen
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}
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}
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for {
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key, _ := osui.ReadKey()
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switch key {
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case "\x1b[Z":
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if p.ActivePage > 0 {
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p.ActivePage--
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} else {
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p.ActivePage = len(p.Pages) - 1
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}
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case osui.Key.Tab:
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if p.ActivePage < len(p.Pages)-1 {
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p.ActivePage++
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} else {
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p.ActivePage = 0
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}
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case osui.Key.Escape:
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fmt.Print("\n\n")
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return
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default:
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for i, c := range p.UpdatePages {
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if i == p.ActivePage {
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c(key)
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}
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}
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}
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p.Data.Screen.Render()
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}
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}
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func Paginator(pages ...osui.Component) *PaginatorComponent {
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return &PaginatorComponent{
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Pages: pages,
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Style: osui.SetDefaults(&PaginatorStyle{}).(*PaginatorStyle),
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UpdatePages: make(map[int]func(string) bool),
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}
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}
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