ppforge/internal/ui/protocoleditor.go

package ui

import (
	"fyne.io/fyne/v2"
	"fyne.io/fyne/v2/container"
)

type ProtocolEditor struct {
	Representation *fyne.Container
	Creators       []*FieldCreator
}

var protocolEditor *ProtocolEditor

func GetProtocolEditor() *ProtocolEditor {
	if protocolEditor == nil {
		container := container.NewGridWrap(fyne.NewSize(300, 300))
		protocolEditor = &ProtocolEditor{container, []*FieldCreator{}}
		container.Add(GetAdder())
	}
	return protocolEditor
}

func (ed *ProtocolEditor) AddFieldCreator(fieldCreator *FieldCreator) {
	ed.Creators = append(protocolEditor.Creators, fieldCreator)
	ed.Redraw()
}

func (ed *ProtocolEditor) Redraw() {
	ed.Representation.RemoveAll()
	for _, v := range ed.Creators {
		ed.Representation.Add(v.Representation)
	}
	ed.Representation.Add(GetAdder())
}