From 7c72ee10a2605c3d275d96e135c1c56ca6ab9863 Mon Sep 17 00:00:00 2001
From: Jordan Dukart <jordan@discoverygarden.ca>
Date: Mon, 27 May 2013 14:42:54 -0300
Subject: [PATCH] Include an autocomplete path for content models that used to
 live in islandora_xml_forms.

---
 includes/content_model.autocomplete.inc | 73 +++++++++++++++++++++++++
 islandora.module                        | 12 ++++
 2 files changed, 85 insertions(+)
 create mode 100644 includes/content_model.autocomplete.inc

diff --git a/includes/content_model.autocomplete.inc b/includes/content_model.autocomplete.inc
new file mode 100644
index 00000000..2392ab2e
--- /dev/null
+++ b/includes/content_model.autocomplete.inc
@@ -0,0 +1,73 @@
+<?php
+
+/**
+ * Autocomplete the content model name.
+ *
+ * @param string $string
+ *   A search string.
+ * @return string
+ *   The rendered JSON results.
+ */
+function islandora_content_model_autocomplete($string) {
+  $content_models = islandora_get_content_model_names();
+  $output = array();
+  foreach ($content_models as $model => $label) {
+    if (preg_match("/{$string}/i", $label) !== 0) {
+      $output[$model] = $label;
+    }
+  }
+  return drupal_json_output($output);
+}
+
+/**
+ * Gets a map of form names suitable for use as select #options.
+ */
+function islandora_get_content_model_names() {
+  $results = islandora_query_content_models();
+  $ret = array();
+  foreach ($results as $result) {
+    $ret[$result['model']['value']] = "{$result['label']['value']} ({$result['model']['value']})";
+  }
+  return $ret;
+}
+
+/**
+ * Perform a resource index query to determine get a list of content models.
+ *
+ * Only returns content models with at least one subscribing object.
+ *
+ * @return array
+ *   An array of RI results, as given by the Tuque RI query interface.
+ */
+function islandora_query_content_models() {
+  $connection = islandora_get_tuque_connection();
+  if ($connection) {
+    $query = 'select $model $label from <#ri> where
+            $model <fedora-model:hasModel> <info:fedora/fedora-system:ContentModel-3.0> and $model <fedora-model:label> $label
+            minus $model <mulgara:is><info:fedora/fedora-system:FedoraObject-3.0>
+            minus $model <mulgara:is><info:fedora/fedora-system:ContentModel-3.0>
+            minus $model <mulgara:is><info:fedora/fedora-system:ServiceDefinition-3.0>
+            minus $model <mulgara:is><info:fedora/fedora-system:ServiceDeployment-3.0>';
+    $results = $connection->repository->ri->itqlQuery($query);
+    return $results;
+  }
+  return array();
+}
+
+/**
+ * Minor array transformation.
+ *
+ * @param array $content
+ *   The array of results as returned from Tuque's RI query interface.
+ * @return array
+ *   An array of results in a more usable format.
+ */
+function islandora_parse_query($content) {
+  $content_models = array();
+  foreach ($content as $model) {
+    $content_models[] = $model['object']['value'];
+  }
+  $content_models = array_unique($content_models);
+  $content_models = array_values($content_models);
+  return $content_models;
+}
diff --git a/islandora.module b/islandora.module
index 79672625..974d526e 100644
--- a/islandora.module
+++ b/islandora.module
@@ -52,6 +52,9 @@ define('ISLANDORA_DATASTREAM_MODIFIED_HOOK', 'islandora_datastream_modified');
 define('ISLANDORA_DATASTREAM_PURGED_HOOK', 'islandora_datastream_purged');
 define('ISLANDORA_INGEST_STEP_HOOK', 'islandora_ingest_steps');
 
+// Autocomplete paths.
+define('ISLANDORA_CONTENT_MODELS_AUTOCOMPLETE', 'islandora/autocomplete/content-models');
+
 /**
  * Implements hook_menu().
  *
@@ -246,6 +249,15 @@ function islandora_menu() {
     'access arguments' => array(FEDORA_VIEW_OBJECTS, 2),
     'load arguments' => array(2),
   );
+  $items[ISLANDORA_CONTENT_MODELS_AUTOCOMPLETE] = array(
+    'title' => 'Autocomplete callback',
+    'description' => 'Autocomplete a Fedora content model PID.',
+    'file' => 'includes/content_model.autocomplete.inc',
+    'page callback' => 'islandora_content_model_autocomplete',
+    'page arguments' => array(3),
+    'access arguments' => array('administer site configuration'),
+    'type' => MENU_CALLBACK,
+  );
   return $items;
 }