change bits on the backend with a variable now

raad1masum · Sep 9, 2021 · ef52d91 · ef52d91
1 parent 90ace7b
commit ef52d91
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Showing 2 changed files with 4 additions and 3 deletions.
diff --git a/nighthawk_csa/src/main/java/com/nighthawk/csa/MainController.java b/nighthawk_csa/src/main/java/com/nighthawk/csa/MainController.java
@@ -34,7 +34,8 @@ public String image(Model model) throws IOException {
     }
 
     @GetMapping("/binary")    // CONTROLLER handles GET request for /greeting, maps it to greeting() and does variable bindings
-    public String binary() {
+    public String binary(@RequestParam(name="bits", required=false, defaultValue="8") int bits, Model model) {
+        model.addAttribute("bits", bits);   // MODEL is passed to html
         return "starters/binary";
     }
 

diff --git a/nighthawk_csa/src/main/resources/templates/starters/binary.html b/nighthawk_csa/src/main/resources/templates/starters/binary.html
@@ -11,7 +11,7 @@
 <!-- Hack 6: fix all warnings -->
 
 <!-- <head> -->
-<div layout:fragment="metadata" th:with="bits=16" th:remove="tag">
+<div layout:fragment="metadata" th:with="bits=${bits}" th:remove="tag">
   <title>Binary page</title>
   <script>
     const BITS = [[${bits}]];
@@ -109,7 +109,7 @@
 <!-- </head> -->
 
 <!-- <body> -->
-<div layout:fragment="content" th:with="bits=16" th:remove="tag">
+<div layout:fragment="content" th:with="bits=${bits}" th:remove="tag">
     <h1 class="text-center">Binary Math with Conversions</h1>
     <div class="container">
       <div class="row justify-content-md-center">