first import

sites/all/modules/geocoder/geocoder.admin.inc

@@ -0,0 +1,44 @@
+<?php
+
+/**
+ * @file
+ * Settings form.
+ */
+
+/**
+ * Module settings page.
+ */
+function geocoder_admin_settings($form, &$form_state) {
+  $geocoder_settings= variable_get("geocoder_settings", array());
+  $form['geocoder_apikey_yahoo'] = array(
+    '#type' => 'textfield',
+    '#title' => t('Yahoo PlaceFinder API Key'),
+    '#description' => t('You can obtain a Yahoo PlaceFinder consumer key at') . ' ' . 'http://developer.yahoo.com/geo/placefinder/',
+    '#default_value' => empty($geocoder_settings['geocoder_apikey_yahoo']) ? '' : $geocoder_settings['geocoder_apikey_yahoo'],
+    '#required' => FALSE,
+  );
+
+  $form['geocoder_apikey_yandex'] = array(
+    '#type' => 'textfield',
+    '#title' => t('Yandex Maps API Key'),
+    '#description' => t('You can obtain a Yandex API Key at ') . 'http://api.yandex.ru/maps/getkey.xml',
+    '#default_value' => empty($geocoder_settings['geocoder_apikey_yandex']) ? '' : $geocoder_settings['geocoder_apikey_yandex'],
+    '#required' => FALSE,
+  );
+
+  $form['#submit'][] = 'geocoder_admin_settings_submit';
+  return system_settings_form($form);
+}
+
+function geocoder_admin_settings_validate($form_id, $form_values) {
+  if (!empty($form_values['values']['geocoder_apikey_yahoo']) && preg_match("/[^A-Za-z0-9\\-]/", trim($form_values['values']['geocoder_apikey_yahoo']))) {
+    form_set_error('geocoder_apikey_yahoo', t('Yahoo API keys are alpha numeric and dashes only.'));
+  }
+}
+
+function geocoder_admin_settings_submit($form, &$form_state) {
+  $geocoder_settings= variable_get("geocoder_settings", array());
+  $geocoder_settings['geocoder_apikey_yahoo'] = trim($form_state['values']['geocoder_apikey_yahoo']);
+  $geocoder_settings['geocoder_apikey_yandex'] = trim($form_state['values']['geocoder_apikey_yandex']);
+  variable_set("geocoder_settings", $geocoder_settings);
+}