Addition of a 'new_id' to the callback object

README.md

@@ -1,3 +1,9 @@
+## Speedway Special
+There are 2 differences between this and the main branch:
+
+1. A 'new_id' addition to the callback engine for adding fields so that way you can put them into tabs
+2. Modification to support inserting into a table when the last row of the table contains the link_to_add function
+
 # Nested Form
 
 [<img src="https://secure.travis-ci.org/ryanb/nested_form.png?branch=master" alt="Build Status" />](http://travis-ci.org/ryanb/nested_form)

vendor/assets/javascripts/jquery_nested_form.js

@@ -14,8 +14,11 @@
 
       // Make the context correct by replacing <parents> with the generated ID
       // of each of the parent objects
-      var context = ($(link).closest('.fields').closestChild('input, textarea, select').eq(0).attr('name') || '').replace(/\[[a-z_]+\]$/, '');
-
+      if($(link).data('tabled')){
+        var context = ($(link).closest('table').closestChild('input, textarea, select').eq(0).attr('name') || '').replace(/\[[a-z_]+\]$/, '');
+      } else {
+        var context = ($(link).closest('.fields').closestChild('input, textarea, select').eq(0).attr('name') || '').replace(/\[[a-z_]+\]$/, '');
+      }
       // If the parent has no inputs we need to strip off the last pair
       var current = content.match(new RegExp('\\[([a-z_]+)\\]\\[new_' + assoc + '\\]'));
       if (current) {
@@ -51,8 +54,8 @@
       var field = this.insertFields(content, assoc, link);
       // bubble up event upto document (through form)
       field
-        .trigger({ type: 'nested:fieldAdded', field: field })
-        .trigger({ type: 'nested:fieldAdded:' + assoc, field: field });
+        .trigger({ type: 'nested:fieldAdded', field: field, new_id: new_id })
+        .trigger({ type: 'nested:fieldAdded:' + assoc, field: field, new_id: new_id });
       return false;
     },
     newId: function() {
@@ -62,6 +65,8 @@
       var target = $(link).data('target');
       if (target) {
         return $(content).appendTo($(target));
+      } else if ($(link).data('tabled')) {
+        return $(content).insertBefore($(link).closest('tr'))
       } else {
         return $(content).insertBefore(link);
       }

vendor/assets/javascripts/prototype_nested_form.js

@@ -8,8 +8,12 @@ document.observe('click', function(e, el) {
 
     // Make the context correct by replacing <parents> with the generated ID
     // of each of the parent objects
-    var context = (el.getOffsetParent('.fields').firstDescendant().readAttribute('name') || '').replace(/\[[a-z_]+\]$/, '');
-
+    var context;
+    if (el.readAttribute('data-tabled')) {
+      context = (el.getOffsetParent('table').firstDescendant().readAttribute('name') || '').replace(/\[[a-z_]+\]$/, '');
+    } else {
+      context = (el.getOffsetParent('.fields').firstDescendant().readAttribute('name') || '').replace(/\[[a-z_]+\]$/, '');
+    }
     // If the parent has no inputs we need to strip off the last pair
     var current = content.match(new RegExp('\\[([a-z_]+)\\]\\[new_' + assoc + '\\]'));
     if (current) {
@@ -45,11 +49,13 @@ document.observe('click', function(e, el) {
     var field;
     if (target) {
       field = $$(target)[0].insert(content);
+    } else if (el.readAttribute('data-tabled')) {
+      field = el.getOffsetParent('tr').insert({ before: content })
     } else {
       field = el.insert({ before: content });
     }
-    field.fire('nested:fieldAdded', {field: field});
-    field.fire('nested:fieldAdded:' + assoc, {field: field});
+    field.fire('nested:fieldAdded', {field: field, new_id: new_id});
+    field.fire('nested:fieldAdded:' + assoc, {field: field, new_id: new_id});
     return false;
   }
 });