From 255d9dfc202693227f3a2e9232db0614e3f3b6d9 Mon Sep 17 00:00:00 2001
From: guy <guy@finereport.com>
Date: Wed, 8 Dec 2021 11:47:53 +0800
Subject: [PATCH] =?UTF-8?q?=E6=94=AF=E6=8C=81BI.useContext?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/core/4.widget.js | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/core/4.widget.js b/src/core/4.widget.js
index f8fe45929..4a1212962 100644
--- a/src/core/4.widget.js
+++ b/src/core/4.widget.js
@@ -768,7 +768,18 @@
         }
     };
 
-    BI.useContext = function () {
+    BI.useContext = function (inject) {
+        if (BI.Model.target) {
+            var p = BI.Model.target;
+            if (inject) {
+                while (p) {
+                    if (p.$$context && inject in p.$$context) {
+                        return p;
+                    }
+                    p = p._parent;
+                }
+            }
+        }
         return BI.Model.target;
     };