first import

sites/all/modules/draggableviews/handlers/draggableviews_handler.inc

@@ -0,0 +1,54 @@
+<?php
+
+/**
+ * @file
+ * Base plugin implementation.
+ */
+
+/**
+ * Parent class for all handlers.
+ */
+class draggableviews_handler {
+
+  /**
+   * Get the weight value.
+   *
+   * @param object $field
+   *   Draggableviews field handler. View is $field->view,
+   *   to get a row $field->view->result[$index].
+   * @param int $index
+   *   Index of the row.
+   *
+   * @return int
+   *   Weight value.
+   */
+  public function get($field, $index) {}
+
+  /**
+   * Save weight value.
+   *
+   * @param $form_state
+   *   Attay of form state of the form.
+   *   View object $form_state['values']['view'].
+   */
+  public function set($form_state) {}
+
+  /**
+   * Form with settings of the handler.
+   *
+   * @param object $field
+   *  Draggableviews field handler.
+   *
+   * @return array
+   *  Form array.
+   */
+  public function options_form($field) {}
+
+  /**
+   * Settings form default values.
+   *
+   * @return array
+   *   Array with default values.
+   */
+  public function option_definition() {}
+}