Index: plugins/content_types/node_context/node_terms.inc
===================================================================
RCS file: plugins/content_types/node_context/node_terms.inc
diff -N plugins/content_types/node_context/node_terms.inc
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ plugins/content_types/node_context/node_terms.inc	19 May 2010 17:48:19 -0000
@@ -0,0 +1,187 @@
+<?php
+// $Id$
+
+/**
+ * Plugins are described by creating a $plugin array which will be used
+ * by the system that includes this file.
+ */
+$plugin = array(
+  'single' => TRUE,
+  'title' => t('Node terms'),
+  'icon' => 'icon_node.png',
+  'description' => t('Taxonomy terms of the referenced node.'),
+  'required context' => new ctools_context_required(t('Node'), 'node'),
+  'category' => t('Node'),
+  'defaults' => array(
+    'vid' => 0,
+    'term_format' => 'term-links',
+    'link' => TRUE,
+    'term_delimiter' => ', ',
+  ),
+);
+
+/**
+ * Render the node_terms content type.
+ */
+function ctools_node_terms_content_type_render($subtype, $conf, $panel_args, $context) {
+  if (empty($context) || empty($context->data)) {
+    return;
+  }
+
+  // Get a shortcut to the node.
+  $node = $context->data;
+
+  if (empty($node->taxonomy)) {
+    return;
+  }
+
+  $formatted_terms = '';
+  if (empty($conf['vid']) && $conf['term_format'] == 'term-links') {
+    // They want all terms, formatted as term links, so we can just use
+    // taxonomy_link() directly.
+    $terms = taxonomy_link('taxonomy terms', $node);
+    $formatted_terms = theme('links', $terms);
+  }
+  else {
+    // They want something special and custom, we'll have to do this ourselves.
+    $terms = array();
+    foreach ($context->data->taxonomy as $term) {
+      if (empty($conf['vid']) || $term->vid == $conf['vid']) {
+        if ($conf['term_format'] == 'term-links') {
+          // We have to do this manually since taxonomy_link() doesn't let you
+          // filter by vocabulary, so we just replicate it for the subset of
+          // terms matching the requested vid.
+          $terms['taxonomy_term_' . $term->tid] = array(
+            'title' => $term->name,
+            'href' => taxonomy_term_path($term),
+            'attributes' => array('rel' => 'tag', 'title' => strip_tags($term->description)),
+          );
+        }
+        elseif (empty($conf['link'])) {
+          $terms[] = check_plain($term->name);
+        }
+        else {
+          $terms[] = l($term->name, taxonomy_term_path($term), array('attributes' => array('rel' => 'tag', 'title' => strip_tags($term->description))));
+        }
+      }
+    }
+
+    switch ($conf['term_format']) {
+      case 'term-links':
+        // Since we didn't use taxonomy_link() directly, we need to invoke
+        // hook_link_alter() for this to work as sites will expect.
+        drupal_alter('link', $terms, $node);
+        $formatted_terms = theme('links', $terms);
+        break;
+
+      case 'ul':
+        $formatted_terms = theme('item_list', $terms);
+        break;
+
+      case 'inline-delimited':
+        $delimiter = isset($conf['term_delimiter']) ? $conf['term_delimiter'] : ', ';
+        $formatted_terms = implode($delimiter, $terms);
+        break;
+
+    }
+  }
+
+  // Build the content type block.
+  $block = new stdClass();
+  $block->module  = 'node_terms';
+  $block->delta   = $node->nid;
+  $block->title   = $type->title_label;
+  $block->content = $formatted_terms;
+
+  return $block;
+}
+
+/**
+ * Returns an edit form for node terms display settings.
+ *
+ * The first question is if they want to display all terms or restrict it to a
+ * specific taxonomy vocabulary.
+ *
+ * Then, they're presented with a set of radios to find out how they want the
+ * terms formatted, which can be either be via theme('links'), a regular item
+ * list (ul), or inline with a delimiter.  Depending on which radio they
+ * choose, some other settings might appear. If they're doing either the ul or
+ * inline, we ask if they want the terms to appear as links or not. If they
+ * want it inline, we ask what delimiter they want to use.
+ */
+function ctools_node_terms_content_type_edit_form(&$form, &$form_state) {
+  ctools_include('dependent');
+
+  $conf = $form_state['conf'];
+
+  $options = array();
+  $options[0] = t('- All vocabularies -');
+  foreach (taxonomy_get_vocabularies() as $vid => $vocabulary) {
+    $options[$vid] = $vocabulary->name;
+  }
+  $form['vid'] = array(
+    '#title' => t('Vocabulary'),
+    '#type' => 'select',
+    '#options' => $options,
+    '#default_value' => $conf['vid'],
+    '#description' => t('Optionally restrict the terms to a specific vocabulary, or allow terms from all vocabularies.'),
+    '#prefix' => '<div class="clear-block">',
+    '#suffix' => '</div>',
+  );
+
+  $form['term_format'] = array(
+    '#type' => 'radios',
+    '#title' => t('Term formatting'),
+    '#options' => array(
+      'term-links' => t("Taxonomy links (uses theme('links'))"),
+      'ul' => t('Unordered list'),
+      'inline-delimited' => t('Inline, delimited'),
+    ),
+    '#default_value' => $conf['term_format'],
+    '#prefix' => '<div class="clear-block">',
+    '#suffix' => '</div>',
+  );
+
+  $form['link'] = array(
+    '#title' => t('Link to terms'),
+    '#type' => 'checkbox',
+    '#default_value' => $conf['link'],
+    '#description' => t('Check here to make the terms link to the term paths.'),
+    '#process' => array('ctools_dependent_process'),
+    '#dependency' => array('radio:term_format' => array('inline-delimited', 'ul')),
+    '#prefix' => '<div class="clear-block">',
+    '#suffix' => '</div>',
+  );
+
+  $form['term_delimiter'] = array(
+    '#type' => 'textfield',
+    '#title' => t('Term delimiter'),
+    '#default_value' => $conf['term_delimiter'],
+    '#size' => 10,
+    '#process' => array('ctools_dependent_process'),
+    '#dependency' => array('radio:term_format' => array('inline-delimited')),
+  );
+}
+
+/**
+ * Submit handler for the custom type settings form.
+ */
+function ctools_node_terms_content_type_edit_form_submit(&$form, &$form_state) {
+  // Copy everything from our defaults.
+  foreach (array_keys($form_state['plugin']['defaults']) as $key) {
+    $form_state['conf'][$key] = $form_state['values'][$key];
+  }
+}
+
+/**
+ * Returns the administrative title for a type.
+ */
+function ctools_node_terms_content_type_admin_title($subtype, $conf, $context) {
+  $placeholders['@s'] = $context->identifier;
+  if (!empty($conf['vid'])) {
+    $vocabulary = taxonomy_vocabulary_load($conf['vid']);
+    $placeholders['@vocabulary'] = $vocabulary->name;
+    return t('"@s" terms from @vocabulary', $placeholders);
+  }
+  return t('"@s" terms', $placeholders);
+}