111 lines
2.7 KiB
Go
111 lines
2.7 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/colors"
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"github.com/orus-dev/osui/keys"
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)
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type PaginatorParams struct {
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Style DivStyle
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Width int
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Height int
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}
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type PaginatorStyle struct {
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Active string `default:"\033[32m"`
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Inactive string `default:""`
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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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Components []osui.Component
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ActiveComponent 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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width, _ := osui.GetTerminalSize()
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pgs := strings.Repeat(" ", (width-len(p.Components))/2)
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p.Data.Style.UseStyle()
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frame := osui.NewFrame(p.Data.Width, p.Data.Height)
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for i, c := range p.Components {
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data := c.GetComponentData()
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if i == p.ActiveComponent {
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pgs += p.Style.Active + "•" + colors.Reset
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data.IsActive = true
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} else {
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pgs += colors.Reset + p.Style.Inactive + "•"
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data.IsActive = false
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}
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if data.Width == 0 {
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data.Width = p.Data.Width
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}
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if data.Height == 0 {
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data.Height = p.Data.Height
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}
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data.DefaultColor = p.Data.DefaultColor
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data.Screen = p.Data.Screen
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}
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osui.RenderOnFrame(p.Components[p.ActiveComponent], &frame)
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for i, f := range frame {
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frame[i] = colors.Reset + p.Data.DefaultColor + f + colors.Reset
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}
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return fmt.Sprintf("%s\n%s", pgs, colors.Reset+strings.Join(frame, "\n"))
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}
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func (p *PaginatorComponent) Update(key string) bool {
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if f, ok := p.Data.Keys["previous"]; ok && f(key) {
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if p.ActiveComponent > 0 {
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p.updateActive(p.ActiveComponent - 1)
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} else {
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p.updateActive(len(p.Components) - 1)
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}
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} else if f, ok := p.Data.Keys["next"]; ok && f(key) {
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if p.ActiveComponent < len(p.Components)-1 {
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p.updateActive(p.ActiveComponent + 1)
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} else {
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p.updateActive(0)
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}
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} else if f, ok := p.Data.Keys["exit"]; ok && f(key) {
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fmt.Print("\n\n")
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return true
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} else {
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if len(p.Components) > 0 {
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p.Components[p.ActiveComponent].GetComponentData().IsActive = p.Data.IsActive
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if p.Components[p.ActiveComponent].Update(key) {
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if p.ActiveComponent < len(p.Components)-1 {
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p.updateActive(p.ActiveComponent + 1)
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} else {
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p.updateActive(0)
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}
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}
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}
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}
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return false
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}
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func (p *PaginatorComponent) updateActive(newIndex int) {
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if newIndex >= 0 && newIndex < len(p.Components) && len(p.Components) > 0 {
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p.ActiveComponent = newIndex
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}
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}
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func Paginator(param osui.Param, pages ...osui.Component) *PaginatorComponent {
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param.SetDefaultBindings(map[string]func(string) bool{
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"previous": keys.ShiftTab,
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"next": keys.Tab,
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"exit": keys.Escape,
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})
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return param.UseParam(&PaginatorComponent{
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Components: pages,
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}).(*PaginatorComponent)
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}
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