Parent data fixes
Add some missing functionality to ParentData subclasses.
Fixes #474
diff --git a/packages/flutter/lib/src/rendering/custom_layout.dart b/packages/flutter/lib/src/rendering/custom_layout.dart
index ab300bf..b8ea63f 100644
--- a/packages/flutter/lib/src/rendering/custom_layout.dart
+++ b/packages/flutter/lib/src/rendering/custom_layout.dart
@@ -7,6 +7,14 @@
class MultiChildLayoutParentData extends ContainerBoxParentDataMixin<RenderBox> {
Object id;
+
+ void merge(MultiChildLayoutParentData other) {
+ if (other.id != null)
+ id = other.id;
+ super.merge(other);
+ }
+
+ String toString() => '${super.toString()}; id=$id';
}
abstract class MultiChildLayoutDelegate {
diff --git a/packages/flutter/lib/src/rendering/stack.dart b/packages/flutter/lib/src/rendering/stack.dart
index 946dc1c..b89f17a 100644
--- a/packages/flutter/lib/src/rendering/stack.dart
+++ b/packages/flutter/lib/src/rendering/stack.dart
@@ -192,7 +192,7 @@
/// children in the stack.
bool get isPositioned => top != null || right != null || bottom != null || left != null || width != null || height != null;
- String toString() => '${super.toString()}; top=$top; right=$right; bottom=$bottom, left=$left';
+ String toString() => '${super.toString()}; top=$top; right=$right; bottom=$bottom; left=$left; width=$width; height=$height';
}
abstract class RenderStackBase extends RenderBox