From 6b86870e8143334a5a36c2c6640541bdf7f1081c Mon Sep 17 00:00:00 2001
From: Tim Otten <totten@civicrm.org>
Date: Tue, 17 Sep 2013 00:20:48 -0700
Subject: [PATCH] CRM-13410 - CiviCase - Load XML files from extensions (as
 defined with hook_civicrm_caseTypes)

----------------------------------------
* CRM-13410: Allow extensions to define case-types
  http://issues.civicrm.org/jira/browse/CRM-13410
---
 CRM/Case/XMLProcessor.php | 24 +++++++++++++++++++++---
 CRM/Utils/Hook.php        | 10 ++++++++++
 2 files changed, 31 insertions(+), 3 deletions(-)

diff --git a/CRM/Case/XMLProcessor.php b/CRM/Case/XMLProcessor.php
index c22f4e8aa7..eecedd51d6 100644
--- a/CRM/Case/XMLProcessor.php
+++ b/CRM/Case/XMLProcessor.php
@@ -36,10 +36,10 @@ class CRM_Case_XMLProcessor {
 
   static protected $_xml;
 
+  static protected $_hookCache = NULL;
+
   function retrieve($caseType) {
-    // trim all spaces from $caseType
-    $caseType = str_replace('_', ' ', $caseType);
-    $caseType = CRM_Utils_String::munge(ucwords($caseType), '', 0);
+    $caseType = self::mungeCaseType($caseType);
 
     if (!CRM_Utils_Array::value($caseType, self::$_xml)) {
       if (!self::$_xml) {
@@ -87,6 +87,17 @@ class CRM_Case_XMLProcessor {
             )
           );
         }
+
+        if (!file_exists($fileName)) {
+          if (self::$_hookCache === NULL) {
+            self::$_hookCache = array();
+            CRM_Utils_Hook::caseTypes(self::$_hookCache);
+          }
+          if (isset(self::$_hookCache[$caseType], self::$_hookCache[$caseType]['file'])) {
+            $fileName = self::$_hookCache[$caseType]['file'];
+          }
+        }
+
         if (!file_exists($fileName)) {
           return FALSE;
         }
@@ -101,6 +112,13 @@ class CRM_Case_XMLProcessor {
     return self::$_xml[$caseType];
   }
 
+  public static function mungeCaseType($caseType) {
+    // trim all spaces from $caseType
+    $caseType = str_replace('_', ' ', $caseType);
+    $caseType = CRM_Utils_String::munge(ucwords($caseType), '', 0);
+    return $caseType;
+  }
+
   function &allActivityTypes($indexName = TRUE, $all = FALSE) {
     static $activityTypes = NULL;
     if (!$activityTypes) {
diff --git a/CRM/Utils/Hook.php b/CRM/Utils/Hook.php
index 198664f0d7..cd38ec7253 100644
--- a/CRM/Utils/Hook.php
+++ b/CRM/Utils/Hook.php
@@ -748,6 +748,16 @@ abstract class CRM_Utils_Hook {
     );
   }
 
+  /**
+   * This hook is called when locating CiviCase types.
+   *
+   * @param array $caseTypes
+   * @return void
+   */
+  static function caseTypes(&$caseTypes) {
+    return self::singleton()->invoke(1, $caseTypes, self::$_nullObject, self::$_nullObject, self::$_nullObject, self::$_nullObject, 'civicrm_caseTypes');
+  }
+
   /**
    * This hook is called soon after the CRM_Core_Config object has ben initialized.
    * You can use this hook to modify the config object and hence behavior of CiviCRM dynamically.
-- 
2.25.1