Index: lams_tool_doku/src/java/org/lamsfoundation/lams/tool/dokumaran/service/DokumaranService.java
===================================================================
diff -u -rc364f48d3f1a5d354f6fce9a3063a8f6963e7a62 -rca5a2db0956e5e04be5cbf1354c234f47c7c6353
--- lams_tool_doku/src/java/org/lamsfoundation/lams/tool/dokumaran/service/DokumaranService.java	(.../DokumaranService.java)	(revision c364f48d3f1a5d354f6fce9a3063a8f6963e7a62)
+++ lams_tool_doku/src/java/org/lamsfoundation/lams/tool/dokumaran/service/DokumaranService.java	(.../DokumaranService.java)	(revision ca5a2db0956e5e04be5cbf1354c234f47c7c6353)
@@ -630,6 +630,20 @@
 	sendGalleryWalkRefreshRequest(dokumaran);
     }
 
+    @Override
+    public void enableGalleryWalkLearnerEdit(long toolContentId) throws IOException {
+	Dokumaran dokumaran = getDokumaranByContentId(toolContentId);
+	if (!dokumaran.isGalleryWalkEnabled()) {
+	    throw new IllegalArgumentException(
+		    "Can not allow learners to reedit activity as Gallery Walk is not enabled for Dokumaran with tool content ID "
+			    + toolContentId);
+	}
+	dokumaran.setGalleryWalkEditEnabled(true);
+	dokumaranDao.saveObject(dokumaran);
+
+	sendGalleryWalkRefreshRequest(dokumaran);
+    }
+
     private void sendGalleryWalkRefreshRequest(Dokumaran dokumaran) {
 	ObjectNode jsonCommand = JsonNodeFactory.instance.objectNode();
 	jsonCommand.put("hookTrigger", "doku-refresh-" + dokumaran.getContentId());
Index: lams_tool_doku/src/java/org/lamsfoundation/lams/tool/dokumaran/service/IDokumaranService.java
===================================================================
diff -u -rc364f48d3f1a5d354f6fce9a3063a8f6963e7a62 -rca5a2db0956e5e04be5cbf1354c234f47c7c6353
--- lams_tool_doku/src/java/org/lamsfoundation/lams/tool/dokumaran/service/IDokumaranService.java	(.../IDokumaranService.java)	(revision c364f48d3f1a5d354f6fce9a3063a8f6963e7a62)
+++ lams_tool_doku/src/java/org/lamsfoundation/lams/tool/dokumaran/service/IDokumaranService.java	(.../IDokumaranService.java)	(revision ca5a2db0956e5e04be5cbf1354c234f47c7c6353)
@@ -235,6 +235,8 @@
 
     void finishGalleryWalk(long toolContentId) throws IOException;
 
+    void enableGalleryWalkLearnerEdit(long toolContentId) throws IOException;
+
     void changeLeaderForGroup(long toolSessionId, long leaderUserId);
 
     Grouping getGrouping(long toolContentId);
Index: lams_tool_doku/src/java/org/lamsfoundation/lams/tool/dokumaran/web/controller/MonitoringController.java
===================================================================
diff -u -rc364f48d3f1a5d354f6fce9a3063a8f6963e7a62 -rca5a2db0956e5e04be5cbf1354c234f47c7c6353
--- lams_tool_doku/src/java/org/lamsfoundation/lams/tool/dokumaran/web/controller/MonitoringController.java	(.../MonitoringController.java)	(revision c364f48d3f1a5d354f6fce9a3063a8f6963e7a62)
+++ lams_tool_doku/src/java/org/lamsfoundation/lams/tool/dokumaran/web/controller/MonitoringController.java	(.../MonitoringController.java)	(revision ca5a2db0956e5e04be5cbf1354c234f47c7c6353)
@@ -312,6 +312,13 @@
 	dokumaranService.finishGalleryWalk(toolContentId);
     }
 
+    @RequestMapping("/enableGalleryWalkLearnerEdit")
+    private void enableGalleryWalkLearnerEdit(HttpServletRequest request) throws IOException {
+	Long toolContentId = WebUtil.readLongParam(request, DokumaranConstants.ATTR_TOOL_CONTENT_ID, false);
+
+	dokumaranService.enableGalleryWalkLearnerEdit(toolContentId);
+    }
+
     @RequestMapping("/ae")
     private String tblApplicationExcercise(HttpServletRequest request, HttpServletResponse response)
 	    throws EtherpadException {