Modified Tripal Sites form

tripal_ws/includes/tripal_ws.admin.inc

@@ -7,14 +7,54 @@
  */
 function tripal_ws_tripal_sites_form($form, &$form_state) {
   $form = array();
-  $form['add_tripal_site'] = array(
-    '#markup' => l('Add Tripal site', '/admin/tripal/ws/tripal_sites/add') 
-  );
-  $sites = array('Select a Tripal site');
-  $form['edit_tripal_site'] = array(
+  $values = key_exists('values', $form_state) ? $form_state['values'] : NULL;
+  $tripal_site = $values ? $values['tripal_site'] : 0;
+  
+  $sites = array('Select a Tripal site', 'Add a Tripal site');
+  $form['tripal_site'] = array(
     '#type' => 'select',
     '#description' => 'Make change to an existing Tripal site',
-    '#options' => $sites
+    '#options' => $sites,
+    '#default_value' => $tripal_site,
+    '#ajax' => array(
+      'callback' => "tripal_ws_tripal_sites_form_ajax_callback",
+      'wrapper' => "tripal-ws-tripal_sites-form",
+      'effect' => 'fade',
+      'method' => 'replace'
+    ),
   );
+  
+  // Add/Edit a new tripal site
+  if ($tripal_site != 0) {
+    $form['tripal_site_info']['name'] = array(
+      '#title' => t('Name of Site'),
+      '#type' => 'textfield'
+    );
+    $form['tripal_site_info']['url'] = array(
+      '#title' => t('URL'),
+      '#type' => 'textfield'
+    );
+    $form['tripal_site_info']['description'] = array(
+      '#title' => t('Description'),
+      '#type' => 'textfield'
+    );
+    $form['submit_button'] = array(
+      '#type' => 'submit',
+      '#value' => t('Save'),
+      '#name' => 'save'
+    );
+  }
+  
+  $form['#prefix'] = '<div id="tripal-ws-tripal_sites-form">';
+  $form['#suffix'] = '</div>';
+  return $form;
+}
+
+
+
+/**
+ *
+ */
+function tripal_ws_tripal_sites_form_ajax_callback($form, $form_state) {
   return $form;
 }