1 files changed, 6 insertions, 2 deletions
diff --git a/src/main/kotlin/pl/treksoft/kvision/data/DataComponent.kt b/src/main/kotlin/pl/treksoft/kvision/data/DataComponent.kt
index 605e1e2e..6eef6f98 100644
--- a/src/main/kotlin/pl/treksoft/kvision/data/DataComponent.kt
+++ b/src/main/kotlin/pl/treksoft/kvision/data/DataComponent.kt
@@ -4,8 +4,8 @@ import kotlin.properties.ObservableProperty
 import kotlin.properties.ReadWriteProperty
 import kotlin.reflect.KProperty
 
-open class DataComponent {
-    var container: DataUpdatable? = null
+interface DataComponent {
+    var container: DataUpdatable?
 
     fun <T> obs(initialValue: T): ReadWriteProperty<Any?, T> = object : ObservableProperty<T>(initialValue) {
         override fun afterChange(property: KProperty<*>, oldValue: T, newValue: T) {
@@ -13,3 +13,7 @@ open class DataComponent {
         }
     }
 }
+
+open class BaseDataComponent : DataComponent {
+    override var container: DataUpdatable? = null
+}