more comprehensible vc form display flow

pandora_console/include/javascript/pandora_visual_console.js

@@ -1403,8 +1403,15 @@ function copyVisualConsoleItem(baseUrl, vcId, vcItemId, callback) {
   };
 }
 
+/**
+ * When invoking modals from JS, some DOM id could be repeated.
+ * This method cleans DOM to avoid duplicated IDs.
+ */
+function cleanupDOM() {
+  $("#modalVCItemForm").empty();
+}
 /* Defined in operations/visual_console/view.php */
-/* global showMsg,cleanupDOM,$,load_modal */
+/* global handleFormResponse,$,load_modal */
 function createOrUpdateVisualConsoleItem(
   visualConsole,
   asyncTaskManager,
@@ -1420,7 +1427,17 @@ function createOrUpdateVisualConsoleItem(
     target: $("#modalVCItemForm"),
     form: "itemForm",
     url: baseUrl + "ajax.php",
-    ajax_callback: showMsg,
+    ajax_callback: function(response) {
+      var item = handleFormResponse(response);
+
+      if (item == false) {
+        // Error.
+        return;
+      }
+
+      // Success.
+      console.log(item);
+    },
     cleanup: cleanupDOM,
     modal: {
       title: title,

pandora_console/operation/visual_console/view.php

@@ -541,7 +541,7 @@ ui_require_css_file('form');
     /**
      * Process ajax responses and shows a dialog with results.
      */
-    function showMsg(data) {
+    function handleFormResponse(data) {
         var title = "<?php echo __('Success'); ?>";
         var text = '';
         var failed = 0;
@@ -564,6 +564,7 @@ ui_require_css_file('form');
             });
         }
 
+        if (failed == 1) {
             $('#modalVCItemFormMsg').empty();
             $('#modalVCItemFormMsg').html(text);
             $('#modalVCItemFormMsg').dialog({
@@ -580,24 +581,17 @@ ui_require_css_file('form');
                         class: "ui-widget ui-state-default ui-corner-all ui-button-text-only sub ok submit-next",
                         text: 'OK',
                         click: function(e) {
-                        if (!failed) {
-                            $(".ui-dialog-content").dialog("close");
-                            $('.info').hide();
-                            cleanupDOM();
-                        } else {
                             $(this).dialog('close');
                         }
                     }
-                }
                 ]
             });
+            // Failed.
+            return false;
         }
-    /**
-     * When invoking modals from JS, some DOM id could be repeated.
-     * This method cleans DOM to avoid duplicated IDs.
-     */
-    function cleanupDOM() {
-        $("#modalVCItemForm").empty();
+        
+        // Success, return result.
+        return data['result'];
     }
     
 </script>