divs and paginators

ui/div.go

@@ -0,0 +1,81 @@
+package ui
+
+import (
+	"strings"
+
+	"github.com/orus-dev/osui"
+)
+
+type DivComponent struct {
+	Data            osui.ComponentData
+	Components      []osui.Component
+	ActiveComponent int
+}
+
+func (p *DivComponent) GetComponentData() *osui.ComponentData {
+	return &p.Data
+}
+
+func (p DivComponent) Render() string {
+	frame := osui.NewFrame(p.Data.Width, p.Data.Height)
+	for _, c := range p.Components {
+		data := c.GetComponentData()
+		data.Width = p.Data.Width
+		data.Height = p.Data.Height
+		data.Screen = p.Data.Screen
+		osui.RenderOnFrame(c, &frame)
+	}
+	return strings.Join(frame, "\n")
+}
+
+func (p *DivComponent) Run() {
+	for _, c := range p.Components {
+		d := c.GetComponentData()
+		d.Screen = p.Data.Screen
+	}
+	for {
+		key, _ := osui.ReadKey()
+		if p.Update(key) {
+			return
+		}
+	}
+}
+
+func (p *DivComponent) Update(key string) bool {
+	switch key {
+
+	case "":
+		p.updateActive(p.ActiveComponent)
+	case osui.Key.Up:
+		p.updateActive(p.ActiveComponent - 1)
+	case osui.Key.Down:
+		p.updateActive(p.ActiveComponent + 1)
+	default:
+		if len(p.Components) > 0 {
+			p.Components[p.ActiveComponent].GetComponentData().IsActive = p.Data.IsActive
+			if p.Components[p.ActiveComponent].Update(key) {
+				if p.ActiveComponent < len(p.Components)-1 {
+					p.updateActive(p.ActiveComponent + 1)
+				} else {
+					return true
+				}
+			}
+		}
+	}
+	return false
+}
+
+func (p *DivComponent) updateActive(newIndex int) {
+	if newIndex >= 0 && newIndex < len(p.Components) && len(p.Components) > 0 {
+		p.Components[p.ActiveComponent].GetComponentData().IsActive = false
+		p.ActiveComponent = newIndex
+		p.Components[p.ActiveComponent].GetComponentData().IsActive = p.Data.IsActive
+		p.Components[p.ActiveComponent].Update("")
+	}
+}
+
+func Div(components ...osui.Component) *DivComponent {
+	return &DivComponent{
+		Components: components,
+	}
+}