Reimplementing a whole lot of things here

tui/internal/controllers/controllers.go

@@ -4,6 +4,7 @@ package controllers
 import (
 	"esdi/tui/internal/dom"
 	"esdi/tui/internal/events"
+	"fmt"
 	"log/slog"
 
 	"github.com/rivo/tview"
@@ -15,3 +16,30 @@ type Controller struct {
 	App    *tview.Application
 	Dom    *dom.DOM
 }
+
+func ListFormButtonLabels(form *tview.Form) []string {
+	list := make([]string, form.GetButtonCount())
+	for idx := range form.GetButtonCount() {
+		btn := form.GetButton(idx)
+		list = append(list, btn.GetLabel())
+	}
+
+	return list
+}
+
+func SetFormButtonCallback(form *tview.Form, btnLabel string, fn func()) error {
+	btnIndex := form.GetButtonIndex(btnLabel)
+	if btnIndex == -1 {
+		availableButtons := ListFormButtonLabels(form)
+		return fmt.Errorf("no button with label: `%s` : [%v]", availableButtons)
+	}
+
+	button := form.GetButton(btnIndex)
+	if button == nil {
+		return fmt.Errorf("not button with ID %d in form", btnIndex)
+	}
+
+	button.SetSelectedFunc(fn)
+
+	return nil
+}