Code formatting cleanup and README update.

README.md

@@ -51,19 +51,13 @@ filter them by a view or limit the number of selectable options with JavaScript.
 It's a good idea to turn on the "leaves only" option in this case, as it will
 make it look nicer.
 
-Documentation
--------------
-
-Additional documentation is located in [the
-Wiki](https://github.com/backdrop-contrib/term_reference_tree/wiki/Documentation).
-
 Differences from Drupal 7
 -------------------------
 
 The Backdrop version of this module has some additional classes applied to the
-`<li>` elements of the rendered tree to give more flexibility in theming:
+`li` elements of the rendered tree to give more flexibility in theming:
 
-* `<li>` elements have class `has-children` or `no-children`, as applicable.
+* `li` elements have class `has-children` or `no-children`, as applicable.
 
 Issues
 ------

term_reference_tree.field.inc

@@ -16,7 +16,6 @@ function term_reference_tree_field_formatter_info() {
   );
 }
 
-
 /**
  * Implements hook_field_formatter_view().
  */
@@ -39,7 +38,6 @@ function term_reference_tree_field_formatter_view($entity_type, $entity, $field,
   return $element;
 }
 
-
 /**
  * Implements hook_field_formatter_settings_form().
  */
@@ -72,7 +70,6 @@ function term_reference_tree_field_formatter_settings_form($field, $instance, $v
   return $element;
 }
 
-
 /**
  * Implements hook_field_formatter_settings_summary().
  */

term_reference_tree.module

@@ -1,4 +1,10 @@
 <?php
+/**
+ * @file
+ *
+ * Main file implementing hooks and callbacks.
+ */
+
 module_load_include('inc', 'term_reference_tree', 'term_reference_tree.field');
 module_load_include('inc', 'term_reference_tree', 'term_reference_tree.widget');
 
@@ -38,7 +44,6 @@ function term_reference_tree_element_info() {
   return $types;
 }
 
-
 /**
  * Implements hook_theme().
  */
@@ -65,7 +70,6 @@ function term_reference_tree_theme() {
   );
 }
 
-
 /**
  * Return a taxonomy term hierarchy in a nested array.
  *
@@ -94,7 +98,6 @@ function _term_reference_tree_get_term_hierarchy($tid, $vocabulary_name, $allowe
   return _term_reference_tree_get_term_hierarchy_recursive($tid, $tree, $expanded, $use_ajax, $max_depth);
 }
 
-
 /**
  * Recursive helper function for _term_reference_tree_get_term_hierarchy().
  */
@@ -123,7 +126,6 @@ function _term_reference_tree_get_term_hierarchy_recursive($parent_tid, $tree, $
   return $terms;
 }
 
-
 /**
  * Get all terms and their parent and children hierarchy for a given vocabulary_name.
  *
@@ -162,7 +164,6 @@ function _term_reference_tree_taxonomy_get_tree($vocabulary_name) {
   return $tree[$vocabulary_name];
 }
 
-
 /**
  * Get all parent tids for a given vocabulary_name and children tids.
  *
@@ -179,7 +180,6 @@ function _term_reference_tree_taxonomy_term_load_parents_all($vocabulary_name, $
   return _term_reference_tree_taxonomy_term_load_parents_all_recursive($vocabulary_name, $children_tids, $tree);
 }
 
-
 /**
  * Helper function for _term_reference_tree_taxonomy_term_load_parents_all().
  */
@@ -196,7 +196,6 @@ function _term_reference_tree_taxonomy_term_load_parents_all_recursive($vocabula
   return $parents;
 }
 
-
 /**
  * Resolve the label to use in the widget for the given taxonomy terms.
  *
@@ -225,7 +224,6 @@ function _term_reference_tree_taxonomy_resolve_labels($terms, $token_display) {
   }
 }
 
-
 /**
  * Flatten the tree hierarchy.
  */
@@ -241,7 +239,6 @@ function _term_reference_tree_hierarchy_flatten($terms_hierarchy) {
   return $terms;
 }
 
-
 /**
  * Get the parent tid of a taxonomy terms.
  */
@@ -260,7 +257,6 @@ function _term_reference_tree_get_parent($tid) {
   return $t;
 }
 
-
 /**
  * Recursively go through the option tree and return a flat array of options.
  */

term_reference_tree.widget.inc

@@ -27,7 +27,6 @@ function term_reference_tree_field_widget_info() {
   );
 }
 
-
 /**
  * Implements hook_field_widget_settings_form().
  */
@@ -157,7 +156,6 @@ function term_reference_tree_field_widget_settings_form($field, $instance) {
   return $form;
 }
 
-
 /**
  * Theme the term tree display (as opposed to the select widget).
  */
@@ -205,7 +203,6 @@ function theme_term_tree_list($variables) {
   return $output;
 }
 
-
 /**
  * Helper function to output a single level of the term reference tree display.
  */
@@ -251,7 +248,6 @@ function _term_reference_tree_output_list_level(&$element, &$tree) {
   }
 }
 
-
 /**
  * Make sure that cardinality is unlimited if auto-select parents is enabled.
  */
@@ -263,7 +259,6 @@ function _term_reference_tree_select_parents_validate($element, &$form_state) {
   }
 }
 
-
 /**
  * Make sure that cardinality is unlimited if cascading selection is enabled.
  */
@@ -280,7 +275,6 @@ function _term_reference_tree_cascading_selection_validate($element, &$form_stat
   }
 }
 
-
 /**
  * Process the checkbox_tree widget.
  *
@@ -355,7 +349,6 @@ function term_reference_tree_process_checkbox_tree($element, $form_state) {
   return $element;
 }
 
-
 /**
  * Returns HTML for a checkbox_tree form element.
  *
@@ -403,7 +396,6 @@ function theme_checkbox_tree($variables) {
     . '</div>';
 }
 
-
 /**
  * Print a list item with a checkbox and an unordered list of all the elements
  * inside it.
@@ -443,7 +435,6 @@ function theme_checkbox_tree_level($variables) {
   return $output;
 }
 
-
 /**
  * Print a single item in the tree, followed by that item's children (which may
  * be another checkbox_tree_level).
@@ -473,7 +464,6 @@ function theme_checkbox_tree_item($variables) {
   return $output;
 }
 
-
 /**
  * Print a label that cannot be selected.
  */
@@ -520,7 +510,6 @@ function theme_checkbox_tree_track_list($variables) {
   return $output;
 }
 
-
 /**
  * Implements hook_field_widget_form().
  */
@@ -584,7 +573,6 @@ function term_reference_tree_field_widget_form(&$form, &$form_state, $field, $in
   return $element;
 }
 
-
 /**
  * Validate the term reference tree widgets.
  *
@@ -641,7 +629,6 @@ function _term_reference_tree_widget_validate(&$element, &$form_state) {
   return $element;
 }
 
-
 /**
  * Return an array of allowed values defined by the given view.
  *
@@ -682,7 +669,6 @@ function _term_reference_tree_get_allowed_values($filter) {
   return $allowed;
 }
 
-
 /**
  * Build a single item in the term reference tree widget.
  *
@@ -772,7 +758,6 @@ function _term_reference_tree_build_item($element, $term, $form_state, $value, $
   return $container;
 }
 
-
 /**
  * Build a level in the term reference tree widget.
  *
@@ -834,7 +819,6 @@ function _term_reference_tree_build_level($element, $term, $form_state, $value,
   return $container;
 }
 
-
 /**
  * Ajax callback to load children for a list.
  */