From 8fbcbee28c697433f816e1f10353514833c2f360 Mon Sep 17 00:00:00 2001
From: LV-426 <lv-426@taproot.org.il>
Date: Thu, 13 Nov 2014 17:07:22 +0200
Subject: locate_visual_element() using model object's id

---
 scripts/rz_core.js | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/scripts/rz_core.js b/scripts/rz_core.js
index e84e9d06..8e4d1a89 100644
--- a/scripts/rz_core.js
+++ b/scripts/rz_core.js
@@ -119,6 +119,21 @@ var initDrawingArea = function () {
 
 initDrawingArea();
 
+/**
+ * find the visual element counterpart of a given model object. This relies on
+ * the visual element having an id attribute equal to the object's id.
+ *
+ * @return null if visual element is not found
+ */
+function locate_visual_element(model_obj){
+    var id_sel = $('#' + model_obj.id);
+    if (0 == id_sel.length){
+        console.warn('unable to find visual element for model object: object id: ' + model_obj.id.toString())
+        return null;
+    }
+    return id_sel[0];
+}
+
 function update(no_relayout) {
     var node,
         link,
-- 
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