feat(centralui): TreeView checkbox-selection mode with tri-state

2026-05-24 05:13:04 -04:00
parent 9a3f5231db
commit e099ed2038
4 changed files with 323 additions and 0 deletions
--- a/src/ScadaLink.Host/wwwroot/js/treeview-storage.js
+++ b/src/ScadaLink.Host/wwwroot/js/treeview-storage.js
@@ -4,5 +4,13 @@ window.treeviewStorage = {
    },
    load: function (storageKey) {
        return sessionStorage.getItem("treeview:" + storageKey);
+    },
+    // Blazor cannot bind input.indeterminate natively (only `checked`). The
+    // TreeView's Checkbox-selection mode calls this from OnAfterRenderAsync to
+    // toggle the tri-state visual on each render.
+    setIndeterminate: function (el, value) {
+        if (el) {
+            el.indeterminate = !!value;
+        }
    }
 };