first import

sites/all/modules/menu_link/views/menu_link_handler_sort_weight.inc

@@ -0,0 +1,111 @@
+<?php
+
+/**
+ * Handler for menu weight field of menu_link module
+ */
+class menu_link_handler_sort_weight extends views_handler_sort {
+
+  function option_definition() {
+    $options = parent::option_definition();
+
+    $options['lowest'] = array('default' => 1);
+    $options['highest'] = array('default' => 3);
+
+    return $options;
+  }
+
+  function options_form(&$form, &$form_state) {
+    parent::options_form($form, $form_state);
+
+    $level_vals = array();
+    for ($i = 1; $i < 10; $i++) {
+      $level_vals[$i] = $i;
+    }
+
+    $form['lowest'] = array(
+      '#type' => 'select',
+      '#options' => $level_vals,
+      '#default_value' => isset($this->options['lowest']) ? $this->options['lowest'] : 1,
+      '#title' => t('Start level'),
+      '#description' => t('This tells the sort handler from which value the sort will begin.'),
+    );
+
+    $form['highest'] = array(
+      '#type' => 'select',
+      '#options' => $level_vals,
+      '#default_value' => isset($this->options['highest']) ? $this->options['highest'] : 3,
+      '#title' => t('End level'),
+      '#description' => t('Set the deepest / highest level the sort will attempt to sort'),
+    );
+  }
+
+  function options_validate(&$form, &$form_state) {
+    parent::options_validate($form, $form_state);
+
+    $vals = $form_state['values']['options'];
+
+    // the lowest limit has to be bigger than the selected highest
+    if ($vals['lowest'] < $this->vals['highest']) {
+      form_set_error('lowest', 'The lowest level has to be bigger than the highest value');
+    }
+  }
+
+  /**
+   * Called to add additional OrderBy statements to the query.
+   */
+  function query() {
+    $this->ensure_my_table();
+
+    $params = array(
+      'function' => $this->options['group_type'],
+    );
+
+    $highest = $this->options['highest'];
+
+    $join = new views_join();
+    $join->definition = array(
+      'left_field' => 'menu_link_mlid',
+      'field' => 'mlid',
+      'table' => 'menu_links',
+      'left_table' => 'field_data_menu_link',
+    );
+    $join->table = 'menu_links';
+    $join->left_table = 'field_data_menu_link';
+    $join->left_field = 'menu_link_mlid';
+    $join->field = 'mlid';
+    $join->type = 'LEFT';
+
+    $this->query->add_relationship('menu_links', $join, 'menu_links');
+    $this->query->add_table('menu_links', 'menu_links', $join);
+
+    $from = 1;
+    if (isset($this->options['lowest']) && ($this->options['lowest'] > 0)) {
+      $from = $this->options['lowest'];
+    }
+
+    for ($i = $from; $i <= $highest; $i++) {
+      $index = $i;
+      $addjoin = new views_join();
+      $addjoin->definition = array(
+        'left_field' => 'p' .$index,
+        'field' => 'mlid',
+        'table' => 'menu_links',
+        'left_table' => 'menu_links',
+      );
+      $addjoin->table = 'menu_links';
+      $addjoin->left_table = 'menu_links';
+      $addjoin->left_field = 'p' .$index;
+      $addjoin->field = 'mlid';
+      $addjoin->type = 'LEFT';
+
+      $alias = 'nml_p' .$index;
+      $this->query->add_relationship('nml_p' .$index, $addjoin, 'nml_p' .$index);
+      $this->query->add_table('menu_links', $alias, $addjoin);
+      $this->query->add_orderby(NULL, $alias . '.weight', $this->options['order'], NULL, $params);
+    }
+  }
+
+  function ui_name($short = FALSE) {
+    return $this->get_field(parent::ui_name($short));
+  }
+}