feat: add on_layer_updated to GridLayout

lopezvoliver · maartenbreddels · commit 1163b89d5bbd · 2025-04-30T13:00:04.000+02:00
diff --git a/solara/widgets/vue/gridlayout.vue b/solara/widgets/vue/gridlayout.vue
@@ -11,6 +11,7 @@
             :vertical-compact="true"
             :margin="[10, 10]"
             :use-css-transforms="true"
+            @layout-updated="onLayoutUpdated"
     >
 
         <grid-item v-for="item in grid_layout"
@@ -49,6 +50,9 @@ module.exports = {
           // this will cause bqplot to layout itself
           window.dispatchEvent(new Event('resize'));
         },
+        onLayoutUpdated(layout) {
+          this.layout_updated(layout);
+        },
         import(deps) {
           return this.loadRequire().then(
             () => {
diff --git a/solara/widgets/widgets.py b/solara/widgets/widgets.py
@@ -52,6 +52,11 @@ class GridLayout(v.VuetifyTemplate):
     draggable = traitlets.CBool(True).tag(sync=True)
     resizable = traitlets.CBool(True).tag(sync=True)
     cdn = traitlets.Unicode(None, allow_none=True).tag(sync=True)
+    on_layout_updated = traitlets.traitlets.Callable(None, allow_none=True)
+
+    def vue_layout_updated(self, *args):
+        if self.on_layout_updated is not None:
+            self.on_layout_updated(*args)
 
     @traitlets.default("cdn")
     def _cdn(self):
