Issue #949604 by zilverdistel: Added i18n support for the static link text field option.

link.module

@@ -476,6 +476,10 @@ function _link_sanitize(&$item, $delta, &$field, $instance, &$entity) {
   // Use the title defined at the instance level.
   if ($instance['settings']['title'] == 'value' && strlen(trim($instance['settings']['title_value']))) {
     $title = $instance['settings']['title_value'];
+    if (function_exists('i18n_string_translate')) {
+      $i18n_string_name = "field:{$instance['field_name']}:{$instance['bundle']}:title_value";
+      $title = i18n_string_translate($i18n_string_name, $title);
+    }
   }
   // Use the title defined by the user at the widget level.
   elseif (isset($item['title'])) {
@@ -623,7 +627,7 @@ function link_theme() {
       'variables' => array('element' => NULL),
     ),
     'link_formatter_link_domain' => array(
-      'variables' => array('element' => NULL),
+      'variables' => array('element' => NULL, 'display' => NULL),
     ),
     'link_formatter_link_title_plain' => array(
       'variables' => array('element' => NULL),
@@ -635,7 +639,7 @@ function link_theme() {
       'variables' => array('element' => NULL),
     ),
     'link_formatter_link_label' => array(
-      'variables' => array('element' => NULL),
+      'variables' => array('element' => NULL, 'field' => NULL),
     ),
     'link_formatter_link_separate' => array(
       'variables' => array('element' => NULL),
@@ -1293,3 +1297,24 @@ function link_field_item_property_info() {
   );
   return $properties;
 }
+
+/**
+ * Implements hook_field_update_instance().
+ */
+function link_field_update_instance($instance, $prior_instance) {
+  if (function_exists('i18n_string_update') && $prior_instance['settings']['title_value'] != $instance['settings']['title_value']) {
+    $i18n_string_name = "field:{$instance['field_name']}:{$instance['bundle']}:title_value";
+    i18n_string_update($i18n_string_name, $instance['settings']['title_value']);
+  }
+}
+
+/**
+ * Implements hook_i18n_string_list_TEXTGROUP_alter().
+ */
+function link_i18n_string_list_field_alter(&$strings, $type = NULL, $object = NULL) {
+  if ($type == 'field_instance' && $object && $object['widget']['type'] == 'link_field') {
+    if (isset($object['settings']['title_value'])) {
+      $strings['field'][$object['field_name']][$object['bundle']]['title_value']['string'] = $object['settings']['title_value'];
+    }
+  }
+}