Actually look up all types to get the info!

pkg/gui/edit.go

@@ -14,6 +14,12 @@ func CreateNew(name string) fyne.CanvasObject {
 	if match, ok := guidefs.Widgets[name]; ok {
 		return match.Create()
 	}
+	if match, ok := guidefs.Collections[name]; ok {
+		return match.Create()
+	}
+	if match, ok := guidefs.Containers[name]; ok {
+		return match.Create()
+	}
 
 	return nil
 }
@@ -26,6 +32,12 @@ func EditorFor(o fyne.CanvasObject, props map[string]string) []*widget.FormItem
 	if match, ok := guidefs.Widgets[clazz]; ok {
 		return match.Edit(o, props)
 	}
+	if match, ok := guidefs.Collections[clazz]; ok {
+		return match.Edit(o, props)
+	}
+	if match, ok := guidefs.Containers[clazz]; ok {
+		return match.Edit(o, props)
+	}
 
 	return nil
 }
@@ -38,6 +50,12 @@ func GoStringFor(o fyne.CanvasObject, props map[fyne.CanvasObject]map[string]str
 	if match, ok := guidefs.Widgets[name]; ok {
 		return match.Gostring(o, props, defs)
 	}
+	if match, ok := guidefs.Collections[name]; ok {
+		return match.Gostring(o, props, defs)
+	}
+	if match, ok := guidefs.Containers[name]; ok {
+		return match.Gostring(o, props, defs)
+	}
 
 	return ""
 }