#527804 by sun: Add an alter hook for element_info() to change default values of form elements.

1 files changed, 18 insertions, 0 deletions

diff --git a/modules/system/system.api.php b/modules/system/system.api.php
index 7aead6c9b..8986270b2 100644
--- a/modules/system/system.api.php
+++ b/modules/system/system.api.php
@@ -116,6 +116,24 @@ function hook_elements() {
 }
 
 /**
+ * Alter the element type information returned from modules.
+ *
+ * A module may implement this hook in order to alter the element type defaults
+ * defined by a module.
+ *
+ * @param &$type
+ *   All element type defaults as collected by hook_elements().
+ *
+ * @see hook_elements()
+ */
+function hook_element_info_alter(&$type) {
+  // Decrease the default size of textfields.
+  if (isset($type['textfield']['#size'])) {
+    $type['textfield']['#size'] = 40;
+  }
+}
+
+/**
  * Perform cleanup tasks.
  *
  * This hook is run at the end of each page request. It is often used for