work on categories: generalizign tempalte engine, adding functions

js/funcs.js

@@ -21,4 +21,12 @@ $(document).ready( function () {
         $(".add-category-col").addClass("has-error");
     } 
   });
+  
+  $(".category-change-parent").change(function (e) {
+    $.post("/categories/change-parent", 
+        {target: this.name, 
+        value: this.value}, 
+        function(data) { alert("reload"); location.reload(); }, 
+        "json");
+  });
 });

route_handlers.go

@@ -257,6 +257,13 @@ func categoriesPostHandler(w http.ResponseWriter, r *http.Request, user *user.Us
     http.Redirect(w, r, "/categories", http.StatusFound)
 }
 
+func categoryChangeParentHandler(w http.ResponseWriter, r *http.Request, user *user.User) {
+    fmt.Println("categoryChangeParentHandler")
+    session, _ := store.Get(r, "c_user")
+    session.AddFlash("change parent")
+    session.Save(r, w)
+}
+
 func ServeFileHandler(res http.ResponseWriter, req *http.Request) {  
       fname := path.Base(req.URL.Path)  
       http.ServeFile(res, req, "./"+fname)  
@@ -279,6 +286,7 @@ func init_route_handlers() {
 	r.HandleFunc("/added", userHandler(addedHandler))
 	
 	r.HandleFunc("/categories", getPostHandler(userHandler(categoriesFormHandler), userHandler(categoriesPostHandler)))
+	r.HandleFunc("/categories/change-parent", userHandler(categoryChangeParentHandler))
 	
 	http.Handle("/", r)
 }

templates/layout.html

@@ -29,11 +29,12 @@
             <span class="icon-bar"></span>
           </button>
           <a class="navbar-brand" href="/">transmet</a>
-          <a class="navbar-brand" href="/categories">categories</a>
         </div>
         <div class="collapse navbar-collapse">
           <ul class="nav navbar-nav">
             <li><a href="/add">add</a></li>
+            <li><a href="/categories">categories</a></li>
+            
           </ul>
           <ul class="nav navbar-nav navbar-right">
           {{if .user}}