first import

sites/all/modules/twitter/twitter_post/twitter_post.pages.inc

@@ -0,0 +1,23 @@
+<?php
+
+/**
+ * Settings form callback
+ */
+function twitter_post_admin_settings($form, &$form_state) {
+  $form['twitter_post_types'] = array(
+    '#type' => 'checkboxes',
+    '#title' => t('Node types'),
+    '#options' => node_type_get_names(),
+    '#default_value' => variable_get('twitter_post_types', array('story' => 'story', 'blog' => 'blog')),
+  );
+
+  $form['twitter_post_default_format'] = array(
+    '#type' => 'textfield',
+    '#title' => t('Default format string'),
+    '#maxlength' => 140,
+    '#description' => t('The given text will be posted to twitter.com. You can use !url, !url-alias, !tinyurl, !title, and !user as replacement text.'),
+    '#default_value' => variable_get('twitter_post_default_format', 'New post: !title !tinyurl'),
+  );
+
+  return system_settings_form($form);
+}