Issue #1248710: Use the core-provided machine_name FAPI element for the...

Issue #1248710: Use the core-provided machine_name FAPI element for the importer machine name field.

feeds_ui/feeds_ui.admin.inc

@@ -150,8 +150,7 @@ function feeds_ui_overview_form_submit($form, &$form_state) {
  *   of $from_importer.
  */
 function feeds_ui_create_form($form, &$form_state, $from_importer = NULL) {
-  drupal_add_js(drupal_get_path('module', 'feeds_ui') . '/feeds_ui.js');
-  $form = array();
+  $form['#attached']['js'][] = drupal_get_path('module', 'feeds_ui') . '/feeds_ui.js';
   $form['#from_importer'] = $from_importer;
   $form['name'] = array(
     '#type' => 'textfield',
@@ -159,15 +158,14 @@ function feeds_ui_create_form($form, &$form_state, $from_importer = NULL) {
     '#description' => t('A natural name for this configuration. Example: RSS Feed. You can always change this name later.'),
     '#required' => TRUE,
     '#maxlength' => 128,
-    '#attributes' => array('class' => array('feed-name')),
   );
   $form['id'] = array(
-    '#type' => 'textfield',
-    '#title' => t('Machine name'),
-    '#description' => t('A unique identifier for this configuration. Example: rss_feed. Must only contain lower case characters, numbers and underscores.'),
+    '#type' => 'machine_name',
     '#required' => TRUE,
     '#maxlength' => 128,
-    '#attributes' => array('class' => array('feed-id')),
+    '#machine_name' => array(
+      'exists' => 'feeds_ui_importer_machine_name_exists',
+    ),
   );
   $form['description'] = array(
     '#type' => 'textfield',
@@ -181,15 +179,25 @@ function feeds_ui_create_form($form, &$form_state, $from_importer = NULL) {
   return $form;
 }
 
+/**
+ * Validation callback for the importer machine name field.
+ */
+function feeds_ui_importer_machine_name_exists($id) {
+  if ($id == 'create') {
+    // Create is a reserved path for the add importer form.
+    return TRUE;
+  }
+  ctools_include('export');
+  if (ctools_export_load_object('feeds_importer', 'conditions', array('id' => $id))) {
+    return TRUE;
+  }
+}
+
 /**
  * Validation handler for feeds_build_create_form().
  */
 function feeds_ui_create_form_validate($form, &$form_state) {
-  ctools_include('export');
   $importer = feeds_importer($form_state['values']['id']);
-  if (ctools_export_load_object('feeds_importer', 'conditions', array('id' => $form_state['values']['id']))) {
-    form_set_error('id', t('Id is taken.'));
-  }
   $importer->configFormValidate($form_state['values']);
 }
 

feeds_ui/feeds_ui.js

 
 Drupal.behaviors.feeds = function() {
 
-  // Export form machine-readable JS
-  $('.feed-name:not(.processed)').each(function() {
-    $('.feed-name')
-      .addClass('processed')
-      .after(' <small class="feed-id-suffix">&nbsp;</small>');
-    if ($('.feed-id').val() === $('.feed-name').val().toLowerCase().replace(/[^a-z0-9]+/g, '_').replace(/_+/g, '_') || $('.feed-id').val() === '') {
-      $('.feed-id').parents('.form-item').hide();
-      $('.feed-name').keyup(function() {
-        var machine = $(this).val().toLowerCase().replace(/[^a-z0-9]+/g, '_').replace(/_+/g, '_');
-        if (machine !== '_' && machine !== '') {
-          $('.feed-id').val(machine);
-          $('.feed-id-suffix').empty().append(' Machine name: ' + machine + ' [').append($('<a href="#">'+ Drupal.t('Edit') +'</a>').click(function() {
-            $('.feed-id').parents('.form-item').show();
-            $('.feed-id-suffix').hide();
-            $('.feed-name').unbind('keyup');
-            return false;
-          })).append(']');
-        }
-        else {
-          $('.feed-id').val(machine);
-          $('.feed-id-suffix').text('');
-        }
-      });
-      $('.feed-name').keyup();
-    }
-  });
-
   // Hide text in specific input fields.
   $('.hide-text-on-focus').focus(function() {
     $(this).val('');