Added delete validation to prevent removal of populated collections

fedora_repository.module

@@ -455,9 +455,9 @@ function add_stream_form_validate($form, &$form_state) {
     return FALSE;
   }
   $validators = array(
-      //    'file_validate_is_image' => array(),
-      //    'file_validate_image_resolution' => array('85x85'),
-      //    'file_validate_size' => array(30 * 1024),
+//    'file_validate_is_image' => array(),
+//    'file_validate_image_resolution' => array('85x85'),
+//    'file_validate_size' => array(30 * 1024),
   );
 
   $fileObject = file_save_upload('add-stream-file-location', $validators);
@@ -496,6 +496,23 @@ function fedora_repository_purge_stream($pid = NULL, $dsId = NULL, $name = NULL)
   return $output;
 }
 
+function fedora_repository_purge_object_form_validate($form, &$form_state) {
+  module_load_include('inc', 'fedora_repository', 'api/fedora_collection');
+  $pid = $form_state['values']['pid'];
+
+  $objectHelper = new ObjectHelper();
+  $contentModels = $objectHelper->get_content_models_list($pid);
+  foreach ($contentModels as $contentModel) {
+    if ($contentModel->pid == 'islandora:collectionCModel') {
+      $member_pids = get_related_items_as_array($pid, 'isMemberOfCollection');
+      if (is_array($member_pids)){
+      form_set_error('new_collection_pid', t("Please purge all members of this collection before deleting the collection itself."));
+      return;
+      }
+    }
+  }
+}
+
 /**
  * fedora repository purge object form submit
  * @param type $form
@@ -667,7 +684,7 @@ function fedora_repository_replace_stream_form_submit($form, &$form_state) {
   $pid = $form_state['values']['pid'];
   $dsid = $form_state['values']['dsId'];
   $dsLabel = $form_state['values']['dsLabel'];
-  // Remove the original file extension from the label and add the new one
+// Remove the original file extension from the label and add the new one
   $indexOfDot = strrpos($dsLabel, '.'); //use strrpos to get the last dot
   if ($indexOfDot !== FALSE) {
     $dsLabel = substr($dsLabel, 0, $indexOfDot);

xsl/sparql_to_html.xsl

@@ -72,23 +72,23 @@
  </td></tr>
 
   <!--<xsl:for-each select="/sparql/results/result[position()>=$start and position() &lt;=$end]">
-  <xsl:variable name='OBJECTURI' select="object/@uri"/>
-  <xsl:variable name='PID' select="substring-after($OBJECTURI,'/')"/>
-   <tr>
-  <td>
-    <img>
-     <xsl:attribute name="src"><xsl:value-of select="$BASEURL"/>/fedora/repository/<xsl:value-of select="$PID"/>/TN
-     </xsl:attribute>
-    </img>
-    <a>
-     <xsl:attribute name="href"><xsl:value-of select="$BASEURL"/>/fedora/repository/<xsl:copy-of select="$PID"/>/-/<xsl:value-of select="title"/>
-     </xsl:attribute>
-    <xsl:value-of select="title"/>
-   </a>
-  </td>
-   </tr>
-  </xsl:for-each>-
- -->
+<xsl:variable name='OBJECTURI' select="object/@uri"/>
+<xsl:variable name='PID' select="substring-after($OBJECTURI,'/')"/>
+<tr>
+<td>
+<img>
+<xsl:attribute name="src"><xsl:value-of select="$BASEURL"/>/fedora/repository/<xsl:value-of select="$PID"/>/TN
+</xsl:attribute>
+</img>
+<a>
+<xsl:attribute name="href"><xsl:value-of select="$BASEURL"/>/fedora/repository/<xsl:copy-of select="$PID"/>/-/<xsl:value-of select="title"/>
+</xsl:attribute>
+<xsl:value-of select="title"/>
+</a>
+</td>
+</tr>
+</xsl:for-each>-
+-->
  <xsl:apply-templates select="s:sparql/s:results"/>
 </table><br clear="all" />
 <!-- start previous next -->
@@ -172,7 +172,7 @@
     </xsl:when>
     <xsl:otherwise>
      <!--the below is an example of going straight to a datastream instead of the details page.
-     <xsl:value-of select="$BASEURL"/>/fedora/repository/<xsl:copy-of select="$PID"/>/OBJ/<xsl:value-of select="s:title"/>-->
+<xsl:value-of select="$BASEURL"/>/fedora/repository/<xsl:copy-of select="$PID"/>/OBJ/<xsl:value-of select="s:title"/>-->
      <xsl:value-of select="$BASEURL"/>/fedora/repository/<xsl:copy-of select="$PID"/>/-/<xsl:value-of select="$cleanTitle"/>
      </xsl:otherwise>
    </xsl:choose>
@@ -185,7 +185,7 @@
    <img>
     <xsl:attribute name="src"><xsl:value-of select="$BASEURL"/>/fedora/repository/<xsl:value-of select="$PID"/>/TN
     </xsl:attribute>
-	<xsl:attribute name="alt"><xsl:value-of select="$newTitle" disable-output-escaping="yes"/>
+<xsl:attribute name="alt"><xsl:value-of select="$newTitle" disable-output-escaping="yes"/>
     </xsl:attribute>
    </img> </a> <br clear="all" />
    <a>
@@ -194,14 +194,14 @@
     <xsl:value-of select="$newTitle" disable-output-escaping="yes" />
    </a>
   <!-- example of a url that would drill down to the details page if the url above went directly to a datastream
-  <xsl:if test="($CONTENTMODEL!='islandora:collectionCModel')">
-       <br />[[ <a>
-     <xsl:attribute name="href">
-     <xsl:value-of select="$BASEURL"/>/fedora/repository/<xsl:copy-of select="$PID"/>/-/<xsl:value-of select="$cleanTitle"/>
-     </xsl:attribute>
-    DETAILS
-    </a> ]]
-   </xsl:if>-->
+<xsl:if test="($CONTENTMODEL!='islandora:collectionCModel')">
+<br />[[ <a>
+<xsl:attribute name="href">
+<xsl:value-of select="$BASEURL"/>/fedora/repository/<xsl:copy-of select="$PID"/>/-/<xsl:value-of select="$cleanTitle"/>
+</xsl:attribute>
+DETAILS
+</a> ]]
+</xsl:if>-->
 
    </td>
   <xsl:if test="(position() = last()) and (position() &lt; $cellsPerRow)">
@@ -245,3 +245,4 @@
   </xsl:choose>
  </xsl:template>
 </xsl:stylesheet>
+