1 files changed, 158 insertions, 0 deletions
diff --git a/sites/all/modules/views/handlers/views_handler_field_prerender_list.inc b/sites/all/modules/views/handlers/views_handler_field_prerender_list.inc
new file mode 100644
index 000000000..00a571aa6
--- /dev/null
+++ b/sites/all/modules/views/handlers/views_handler_field_prerender_list.inc
@@ -0,0 +1,158 @@
+<?php
+
+/**
+ * @file
+ * Definition of views_handler_field_prerender_list.
+ */
+
+/**
+ * Field handler to provide a list of items.
+ *
+ * The items are expected to be loaded by a child object during pre_render,
+ * and 'my field' is expected to be the pointer to the items in the list.
+ *
+ * Items to render should be in a list in $this->items
+ *
+ * @ingroup views_field_handlers
+ */
+class views_handler_field_prerender_list extends views_handler_field {
+  /**
+   * Stores all items which are used to render the items.
+   * It should be keyed first by the id of the base table, for example nid.
+   * The second key is the id of the thing which is displayed multiple times
+   * per row, for example the tid.
+   *
+   * @var array
+   */
+  var $items = array();
+
+  function option_definition() {
+    $options = parent::option_definition();
+
+    $options['type'] = array('default' => 'separator');
+    $options['separator'] = array('default' => ', ');
+
+    return $options;
+  }
+
+  function options_form(&$form, &$form_state) {
+    $form['type'] = array(
+      '#type' => 'radios',
+      '#title' => t('Display type'),
+      '#options' => array(
+        'ul' => t('Unordered list'),
+        'ol' => t('Ordered list'),
+        'separator' => t('Simple separator'),
+      ),
+      '#default_value' => $this->options['type'],
+    );
+
+    $form['separator'] = array(
+      '#type' => 'textfield',
+      '#title' => t('Separator'),
+      '#default_value' => $this->options['separator'],
+      '#dependency' => array('radio:options[type]' => array('separator')),
+    );
+    parent::options_form($form, $form_state);
+  }
+
+  /**
+   * Render the field.
+   *
+   * This function is deprecated, but left in for older systems that have not
+   * yet or won't update their prerender list fields. If a render_item method
+   * exists, this will not get used by advanced_render.
+   */
+  function render($values) {
+    $field = $this->get_value($values);
+    if (!empty($this->items[$field])) {
+      if ($this->options['type'] == 'separator') {
+        return implode($this->sanitize_value($this->options['separator']), $this->items[$field]);
+      }
+      else {
+        return theme('item_list',
+          array(
+            'items' => $this->items[$field],
+            'title' => NULL,
+            'type' => $this->options['type']
+          ));
+      }
+    }
+  }
+
+  /**
+   * Render all items in this field together.
+   *
+   * When using advanced render, each possible item in the list is rendered
+   * individually. Then the items are all pasted together.
+   */
+  function render_items($items) {
+    if (!empty($items)) {
+      if ($this->options['type'] == 'separator') {
+        return implode($this->sanitize_value($this->options['separator'], 'xss_admin'), $items);
+      }
+      else {
+        return theme('item_list',
+          array(
+            'items' => $items,
+            'title' => NULL,
+            'type' => $this->options['type']
+          ));
+      }
+    }
+  }
+
+  /**
+   * Return an array of items for the field.
+   *
+   * Items should be stored in the result array, if possible, as an array
+   * with 'value' as the actual displayable value of the item, plus
+   * any items that might be found in the 'alter' options array for
+   * creating links, such as 'path', 'fragment', 'query' etc, such a thing
+   * is to be made. Additionally, items that might be turned into tokens
+   * should also be in this array.
+   */
+  function get_items($values) {
+    // Only the parent get_value returns a single field.
+    $field = parent::get_value($values);
+    if (!empty($this->items[$field])) {
+      return $this->items[$field];
+    }
+
+    return array();
+  }
+
+  /**
+   * Get the value that's supposed to be rendered.
+   *
+   * @param $values
+   *   An object containing all retrieved values.
+   * @param $field
+   *   Optional name of the field where the value is stored.
+   * @param $raw
+   *   Use the raw data and not the data defined in pre_render
+   */
+  function get_value($values, $field = NULL, $raw = FALSE) {
+    if ($raw) {
+      return parent::get_value($values, $field);
+    }
+    $item = $this->get_items($values);
+    $item = (array) $item;
+    if (isset($field) && isset($item[$field])) {
+      return $item[$field];
+    }
+    return $item;
+  }
+
+  /**
+   * Determine if advanced rendering is allowed.
+   *
+   * By default, advanced rendering will NOT be allowed if the class
+   * inheriting from this does not implement a 'render_items' method.
+   */
+  function allow_advanced_render() {
+    // Note that the advanced render bits also use the presence of
+    // this method to determine if it needs to render items as a list.
+    return method_exists($this, 'render_item');
+  }
+}