QPID-8311: [Broker-J][WMC] Allow setting replaceExistingArguments in add bind UI
diff --git a/broker-plugins/management-http/src/main/java/resources/addBinding.html b/broker-plugins/management-http/src/main/java/resources/addBinding.html
index fc3f97b..020c0b8 100644
--- a/broker-plugins/management-http/src/main/java/resources/addBinding.html
+++ b/broker-plugins/management-http/src/main/java/resources/addBinding.html
@@ -51,6 +51,17 @@
                               title: 'Enter binding key'" />
                 </div>
             </div>
+            <div class="clear">
+                <div class="formLabel-labelCell">Replace existing arguments?</div>
+                <div class="formLabel-controlCell">
+                    <input type="checkbox" id="formAddbinding.replaceExistingArguments"
+                           data-dojo-type="dijit/form/CheckBox"
+                           data-dojo-props="
+                              name: 'replaceExistingArguments',
+                              value: 'replaceExistingArguments',
+                              checked: false"/>
+                </div>
+            </div>
 
             <div class="clear formBox">
                 <fieldset>
diff --git a/broker-plugins/management-http/src/main/java/resources/js/qpid/management/addBinding.js b/broker-plugins/management-http/src/main/java/resources/js/qpid/management/addBinding.js
index cd0958b..d4e8ed8 100644
--- a/broker-plugins/management-http/src/main/java/resources/js/qpid/management/addBinding.js
+++ b/broker-plugins/management-http/src/main/java/resources/js/qpid/management/addBinding.js
@@ -313,7 +313,7 @@
                     var parameters = {
                         destination: formValues.destination,
                         bindingKey: formValues.name,
-                        replaceExistingArguments: false
+                        replaceExistingArguments: formValues.replaceExistingArguments
                     };
                     addBinding.bindingArgumentsGrid.store.fetch({
                         onComplete: function (items, request)