void CreateVisualTree()
{
var visualTree = AssetDatabase.LoadAssetAtPath <VisualTreeAsset>("Assets/Editor/EditorComponents/ObjectManager.uxml");
var styleSheet = AssetDatabase.LoadAssetAtPath <StyleSheet>("Assets/Editor/LevelEditorWindow.uss");
objectEditor = visualTree.CloneTree();
objectPropertiesContainer = objectEditor.Q <Box>("addObjectContainer");
objectTypeContainer = objectEditor.Q <Box>("addObjectTypeContainer");
ObjectNameTextField = objectPropertiesContainer.Q <TextField>("objectNameTextField");
AddObjectButton = objectPropertiesContainer.Q <Button>("addObjectNameButton");
AddObjectButton.RegisterCallback <MouseUpEvent>(AddNewObject);
SaveObjectButton = objectPropertiesContainer.Q <Button>("saveObjectNameButton");
SaveObjectButton.RegisterCallback <MouseUpEvent>(SaveEditedObject);
ObjectTypeLayer = new PopupField <string>("Select Type Of Object", ObjectTypes, 0);
ObjectTypeLayer.RegisterValueChangedCallback(UpdateOnTypeSelection);
ObjectTypeLayer.Focus();
//ObjectTypeLayer.AddToClassList("height-width-slider");
objectTypeContainer.Add(ObjectTypeLayer);
objectEditContainer = objectEditor.Q <Box>("editObjectContainer");
objectEditSelectionContainer = objectEditor.Q <Box>("editObjectSelectionContainer");
objectSelectionField = new ObjectField {
objectType = typeof(SpriteObject)
};
objectSelectionField.RegisterValueChangedCallback(UpdateOnObjectSelection);
//objectPropertiesContainer.Add(ObjectTypeLayer);
objectEditContainer.Add(objectSelectionField);
objectEditContainer.Add(objectEditSelectionContainer);
}