From 438728294970bf6d4448ce74ee1cdf6dd8a24ece Mon Sep 17 00:00:00 2001
From: ZEROM22 <alexander.salyakhov@onlyoffice.com>
Date: Tue, 24 Oct 2023 11:06:01 +0300
Subject: [PATCH] java: onRequestOpen for referenceData source file

---
 .../main/java/controllers/IndexServlet.java   |  1 +
 .../java/src/main/webapp/editor.jsp           | 34 +++++++++++++++++--
 2 files changed, 32 insertions(+), 3 deletions(-)

diff --git a/web/documentserver-example/java/src/main/java/controllers/IndexServlet.java b/web/documentserver-example/java/src/main/java/controllers/IndexServlet.java
index c10abfde..970db304 100755
--- a/web/documentserver-example/java/src/main/java/controllers/IndexServlet.java
+++ b/web/documentserver-example/java/src/main/java/controllers/IndexServlet.java
@@ -733,6 +733,7 @@ public class IndexServlet extends HttpServlet {
             data.put("directUrl", directUrl ? DocumentManager.getDownloadUrl(fileName, false) : null);
             data.put("referenceData", referenceData);
             data.put("path", fileName);
+            data.put("link", DocumentManager.getServerUrl(false) + "/EditorServlet?fileName=" + fileName);
 
             if (DocumentManager.tokenEnabled()) {
                 String token = DocumentManager.createToken(data);
diff --git a/web/documentserver-example/java/src/main/webapp/editor.jsp b/web/documentserver-example/java/src/main/webapp/editor.jsp
index e90821d6..a93dedc5 100644
--- a/web/documentserver-example/java/src/main/webapp/editor.jsp
+++ b/web/documentserver-example/java/src/main/webapp/editor.jsp
@@ -165,15 +165,41 @@
             }
         };
 
+        var onRequestOpen = function(event) {  // user open external data source
+            innerAlert("onRequestOpen");
+            var windowName = event.data.windowName;
+
+            requestReference(event.data, function (data) {
+                if (data.error) {
+                    var winEditor = window.open("", windowName);
+                    winEditor.close();
+                    innerAlert(data.error, true);
+                    return;
+                }
+
+                var link = data.link;
+                window.open(link, windowName);
+            });
+        };
+
         var onRequestReferenceData = function(event) {  // user refresh external data source
-            event.data.directUrl = !!config.document.directUrl;
+            innerAlert("onRequestReferenceData");
+            requestReference(event.data, function (data) {
+                docEditor.setReferenceData(data);
+            });
+        };
+
+        var requestReference = function(data, callback) {
+            innerAlert(data);
+            data.directUrl = !!config.document.directUrl;
+
             let xhr = new XMLHttpRequest();
             xhr.open("POST", "IndexServlet?type=reference");
             xhr.setRequestHeader("Content-Type", "application/json");
-            xhr.send(JSON.stringify(event.data));
+            xhr.send(JSON.stringify(data));
             xhr.onload = function () {
                 innerAlert(xhr.responseText);
-                docEditor.setReferenceData(JSON.parse(xhr.responseText));
+                callback(JSON.parse(xhr.responseText));
             }
         };
 
@@ -277,6 +303,8 @@
             config.events['onRequestReferenceData'] = onRequestReferenceData;
             // prevent switch the document from the viewing into the editing mode for anonymous users
             config.events['onRequestEditRights'] = onRequestEditRights;
+            // add link to reference data source file
+            config.events['onRequestOpen'] = onRequestOpen;
         }
 
         if (config.editorConfig.createUrl) {