From e4d723dc70d6e6f5a58a368f22983d9b8eee714c Mon Sep 17 00:00:00 2001
From: Paul Pound <ppound@upei.ca>
Date: Fri, 18 May 2012 13:56:16 -0300
Subject: [PATCH] added a default view hook to islandora module and theme
 function and template

---
 islandora-object-default-view.tpl.php         | 30 +++++++++++++++++
 islandora.module                              | 33 +++++++++++++++++--
 .../islandora_basic_image.module              | 10 +++---
 3 files changed, 67 insertions(+), 6 deletions(-)
 create mode 100644 islandora-object-default-view.tpl.php

diff --git a/islandora-object-default-view.tpl.php b/islandora-object-default-view.tpl.php
new file mode 100644
index 00000000..e276636f
--- /dev/null
+++ b/islandora-object-default-view.tpl.php
@@ -0,0 +1,30 @@
+<?php
+
+/*
+ * islandora-object-default-view.tpl.php
+ * 
+ *
+ * 
+ * This file is part of Islandora.
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with the program.  If not, see <http ://www.gnu.org/licenses/>.
+ */
+
+
+?>
+<?php 
+  $object = $variables['object'];
+  print('this is the default view for '. $object->label .' ' .$object->id); 
+?>
+
diff --git a/islandora.module b/islandora.module
index 3b8e5412..bc98df81 100644
--- a/islandora.module
+++ b/islandora.module
@@ -246,7 +246,8 @@ function islandora_purge_datastream($object_id, $datastream_id) {
 }
 
 /**
- * 
+ * The view entry point.  modules should implement hook_islandora_view_object for the Fedora Content models that
+ * there modules want to provide a view for.
  * @global object $user
  * @param string $object_id
  * 
@@ -276,13 +277,41 @@ function islandora_view_object($object_id) {
   $arr = module_invoke_all('islandora_view_object', $fedora_object, $user, $page_number, $page_size); //allow submodules to decide how to handle content base on object type
   if (empty($arr) ) {
     //TODO: make sure we iterate over the array as they will be more then one cmodel per object
-    drupal_set_message(t('No module registered to handle objects of type %s', array('%s' => $fedora_object->models[0])));
+    drupal_set_message(t('there was an error loading the view for islandora object %s',array('%s' => $object_id)),'error');
     return "";
   }
   //module_invoke_all(islandora_display($arr)),
   return $arr[0]; //just an example as we could have more then one array element
 }
 
+/**
+ * the default view hook.  If there are no modules registered to handle this objects cmodels or there are 
+ * not any cmodels specified this will create a default display.
+ * @param string $object_id
+ * @return string 
+ */
+function islandora_islandora_view_object($object){
+  $supported_models = islandora_get_types();  
+  $object_models = $object->models;
+  $combined_list = array_intersect($supported_models, $object->models);
+  if (empty($combined_list)) {
+    return theme('islandora_object_default_view', array('object' => $object));
+  }
+}
+
+/**
+ * Theme registry function
+ * @return array
+ */
+function islandora_theme() {
+  return array(
+    'islandora_object_default_view' => array(
+      'template' => 'islandora-object-default-view',
+      'variables' => array('object' => NULL),
+    ),
+   );
+}
+
 /**
  * drupal hook_permissions function
  * @return array
diff --git a/islandora_basic_image/islandora_basic_image.module b/islandora_basic_image/islandora_basic_image.module
index db653cd7..dcc42273 100644
--- a/islandora_basic_image/islandora_basic_image.module
+++ b/islandora_basic_image/islandora_basic_image.module
@@ -30,10 +30,11 @@
  * @param array $render_array
  * @return array 
  */
+/*
 function islandora_basic_image_render_object($metadata, &$render_array) {
   $header = array(t('Label'), t('Value'));
   $table_attributes = array('class' => array('islandora_metadata'));
-  /*$rows = array();
+  $rows = array();
   foreach ($metadata as $key => $value) {
     if (isset($value) && is_array($value)) {
       $item_list = array('#items' => $value, '#theme' => 'item_list');
@@ -44,10 +45,10 @@ function islandora_basic_image_render_object($metadata, &$render_array) {
     }
   }
   $render_array['metadata'] = array('#header' => $header, '#theme' => 'table', '#rows' => $rows, '#attributes' => $table_attributes);
-  */
+  
     return $render_array;
    
-}
+}*/
 
 /**
  * returns a drupal render array as a html string
@@ -55,6 +56,7 @@ function islandora_basic_image_render_object($metadata, &$render_array) {
  * @param array $variables
  * @return  string
  */
+/*
 function theme_islandora_basic_image_view_object($variables) {
   $object = $variables['object'];
   //$metadata = $object->metadata;
@@ -66,7 +68,7 @@ function theme_islandora_basic_image_view_object($variables) {
   islandora_basic_image_render_object($object, $render_array);
   
   return drupal_render($render_array);
-}
+}*/
 
 
 /**