OO-3940: Show learning resources office documents in collabora

src/main/java/org/olat/modules/wopi/collabora/restapi/FilesWebService.java

@@ -102,9 +102,10 @@ public class FilesWebService {
 		}
 		
 		VFSMetadata metadata = collaboraService.getMetadata(fileId);
+		String ownerId = metadata.getAuthor() != null? metadata.getAuthor().getKey().toString(): null;
 		CheckFileInfoVO checkFileInfoVO = CheckFileInfoVO.builder()
 				.withBaseFileName(metadata.getFilename()) // suffix is mandatory
-				.withOwnerId(metadata.getAuthor().getKey().toString())
+				.withOwnerId(ownerId)
 				.withSize(metadata.getFileSize())
 				.withUserId(access.getIdentity().getKey().toString())
 				.withUserFriendlyName(userManager.getUserDisplayName(access.getIdentity()))

src/main/java/org/olat/modules/wopi/collabora/ui/CollaboraEditorController.java

@@ -56,6 +56,7 @@ public class CollaboraEditorController extends BasicController {
 		
 		mainVC.contextPut("id", "o_" + CodeHelper.getRAMUniqueID());
 		mainVC.contextPut("url", url);
+		
 		putInitialPanel(mainVC);
 	}
 	

src/main/java/org/olat/repository/ui/WebDocumentRunController.java

@@ -19,14 +19,19 @@
  */
 package org.olat.repository.ui;
 
+import java.util.List;
+
 import javax.servlet.http.HttpServletRequest;
 
 import org.olat.core.commons.services.image.Size;
+import org.olat.core.commons.services.vfs.VFSLeafEditor;
+import org.olat.core.commons.services.vfs.VFSRepositoryService;
 import org.olat.core.commons.services.video.MovieService;
 import org.olat.core.dispatcher.mapper.Mapper;
 import org.olat.core.gui.UserRequest;
 import org.olat.core.gui.components.Component;
 import org.olat.core.gui.components.velocity.VelocityContainer;
+import org.olat.core.gui.control.Controller;
 import org.olat.core.gui.control.Event;
 import org.olat.core.gui.control.WindowControl;
 import org.olat.core.gui.control.controller.BasicController;
@@ -55,6 +60,8 @@ import org.springframework.beans.factory.annotation.Autowired;
  */
 public class WebDocumentRunController extends BasicController {
 
+	@Autowired
+	private VFSRepositoryService vfsService;
 	@Autowired
 	private MovieService movieService;
 
@@ -90,6 +97,16 @@ public class WebDocumentRunController extends BasicController {
 					mainVC.contextPut("height", 480);
 					mainVC.contextPut("width", 640);
 				}
+			} else if (vfsService.hasEditor(extension)) {
+				List<VFSLeafEditor> editors = vfsService.getEditors(document);
+				if (editors.size() >= 1) {
+					VFSLeafEditor editor = editors.get(0);
+					// FolderComponent should be initialized to be safe. As of today the internal
+					// editor does not support these file types.
+					Controller editCtrl = editor.getRunController(ureq, wControl, document, null, getIdentity());
+					listenTo(editCtrl);
+					mainVC.put("content", editCtrl.getInitialComponent());
+				}
 			} else {
 				IFrameDisplayController idc = new IFrameDisplayController(ureq, getWindowControl(), document.getParentContainer(), null, null);
 				listenTo(idc);	

src/main/webapp/static/themes/light/modules/_collabora.scss

@@ -6,4 +6,16 @@
 		margin-bottom: 20px;
 		border-width: 1px;
 	}
+}
+
+.o_web_content {
+	.o_collabora {
+		iframe {
+			width: 100%;
+			height: calc(100vh - 340px);
+			margin-top: 10px;
+			margin-bottom: 20px;
+			border-width: 1px;
+		}
+	}
 }
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