1 files changed, 175 insertions, 0 deletions
diff --git a/sites/all/modules/file_entity/views/views_plugin_row_file_rss.inc b/sites/all/modules/file_entity/views/views_plugin_row_file_rss.inc
new file mode 100644
index 000000000..4a39024f7
--- /dev/null
+++ b/sites/all/modules/file_entity/views/views_plugin_row_file_rss.inc
@@ -0,0 +1,175 @@
+<?php
+
+/**
+ * @file
+ * Contains the file RSS row style plugin.
+ */
+
+/**
+ * Plugin which performs a file_view on the resulting object
+ * and formats it as an RSS item.
+ */
+class views_plugin_row_file_rss extends views_plugin_row {
+  // Basic properties that let the row style follow relationships.
+  var $base_table = 'file_managed';
+  var $base_field = 'fid';
+
+  // Stores the files loaded with pre_render.
+  var $files = array();
+
+  function option_definition() {
+    $options = parent::option_definition();
+
+    $options['item_length'] = array('default' => 'default');
+    $options['links'] = array('default' => FALSE, 'bool' => TRUE);
+
+    return $options;
+  }
+
+  /**
+   * Override init function to convert fulltext view-mode to full.
+   */
+  function init(&$view, &$display, $options = NULL) {
+    parent::init($view, $display, $options);
+
+    if ($this->options['item_length'] == 'fulltext') {
+      $this->options['item_length'] = 'full';
+    }
+  }
+
+  function options_form(&$form, &$form_state) {
+    parent::options_form($form, $form_state);
+
+    $form['item_length'] = array(
+      '#type' => 'select',
+      '#title' => t('Display type'),
+      '#options' => $this->options_form_summary_options(),
+      '#default_value' => $this->options['item_length'],
+    );
+    $form['links'] = array(
+      '#type' => 'checkbox',
+      '#title' => t('Display links'),
+      '#default_value' => $this->options['links'],
+    );
+  }
+
+  /**
+   * Return the main options, which are shown in the summary title.
+   */
+  function options_form_summary_options() {
+    $entity_info = entity_get_info('file');
+    $options = array();
+    if (!empty($entity_info['view modes'])) {
+      foreach ($entity_info['view modes'] as $mode => $settings) {
+        $options[$mode] = $settings['label'];
+      }
+    }
+    $options['title'] = t('Title only');
+    $options['default'] = t('Use site default RSS settings');
+    return $options;
+  }
+
+  function summary_title() {
+    $options = $this->options_form_summary_options();
+    return check_plain($options[$this->options['item_length']]);
+  }
+
+
+  function pre_render($values) {
+    $fids = array();
+    foreach ($values as $row) {
+      $fids[] = $row->{$this->field_alias};
+    }
+    if (!empty($fids)) {
+      $this->files = file_load_multiple($fids);
+    }
+  }
+
+  function render($row) {
+    // For the most part, this code is taken from node_feed() in node.module
+    global $base_url;
+
+    $fid = $row->{$this->field_alias};
+    if (!is_numeric($fid)) {
+      return;
+    }
+
+    $display_mode = $this->options['item_length'];
+    if ($display_mode == 'default') {
+      $display_mode = variable_get('feed_item_length', 'teaser');
+    }
+
+    // Load the specified file:
+    $file = $this->files[$fid];
+    if (empty($file)) {
+      return;
+    }
+
+    $item_text = '';
+
+    $uri = entity_uri('file', $file);
+    $user = user_load($file->uid);
+    $file->link = url($uri['path'], $uri['options'] + array('absolute' => TRUE));
+    $file->rss_namespaces = array();
+    $file->rss_elements = array(
+      array(
+        'key' => 'pubDate',
+        'value' => gmdate('r', $file->timestamp),
+      ),
+      array(
+        'key' => 'dc:creator',
+        'value' => $user->name,
+      ),
+      array(
+        'key' => 'guid',
+        'value' => $file->fid . ' at ' . $base_url,
+        'attributes' => array('isPermaLink' => 'false'),
+      ),
+    );
+
+    // The file gets built and modules add to or modify $file->rss_elements
+    // and $file->rss_namespaces.
+
+    $build_mode = $display_mode;
+
+    $build = file_view($file, $build_mode);
+    unset($build['#theme']);
+
+    if (!empty($file->rss_namespaces)) {
+      $this->view->style_plugin->namespaces = array_merge($this->view->style_plugin->namespaces, $file->rss_namespaces);
+    }
+    elseif (function_exists('rdf_get_namespaces')) {
+      // Merge RDF namespaces in the XML namespaces in case they are used
+      // further in the RSS content.
+      $xml_rdf_namespaces = array();
+      foreach (rdf_get_namespaces() as $prefix => $uri) {
+        $xml_rdf_namespaces['xmlns:' . $prefix] = $uri;
+      }
+      $this->view->style_plugin->namespaces += $xml_rdf_namespaces;
+    }
+
+    // Hide the links if desired.
+    if (!$this->options['links']) {
+      hide($build['links']);
+    }
+
+    if ($display_mode != 'title') {
+      // We render file contents and force links to be last.
+      $build['links']['#weight'] = 1000;
+      $item_text .= drupal_render($build);
+    }
+
+    $item = new stdClass();
+    $item->description = $item_text;
+    $item->title = $file->filename;
+    $item->link = $file->link;
+    $item->elements = $file->rss_elements;
+    $item->fid = $file->fid;
+
+    return theme($this->theme_functions(), array(
+      'view' => $this->view,
+      'options' => $this->options,
+      'row' => $item
+    ));
+  }
+}