(refs #13)Trying to embed ace editor into repository viewer.

src/main/scala/app/RepositoryViewerController.scala

@@ -71,6 +71,59 @@ trait RepositoryViewerControllerBase extends ControllerBase {
     }
   })
 
+  /**
+   * Displays the file content of the specified branch or commit.
+   */
+  get("/:owner/:repository/edit/*")(referrersOnly { repository =>
+    val (id, path) = splitPath(repository, multiParams("splat").head)
+//    val raw = params.get("raw").getOrElse("false").toBoolean
+
+    using(Git.open(getRepositoryDir(repository.owner, repository.name))){ git =>
+      val revCommit = JGitUtil.getRevCommitFromId(git, git.getRepository.resolve(id))
+
+      @scala.annotation.tailrec
+      def getPathObjectId(path: String, walk: TreeWalk): Option[ObjectId] = walk.next match {
+        case true if(walk.getPathString == path) => Some(walk.getObjectId(0))
+        case true  => getPathObjectId(path, walk)
+        case false => None
+      }
+
+      using(new TreeWalk(git.getRepository)){ treeWalk =>
+        treeWalk.addTree(revCommit.getTree)
+        treeWalk.setRecursive(true)
+        getPathObjectId(path, treeWalk)
+      } map { objectId =>
+//        if(raw){
+//          // Download
+//          defining(JGitUtil.getContentFromId(git, objectId, false).get){ bytes =>
+//            contentType = FileUtil.getContentType(path, bytes)
+//            bytes
+//          }
+//        } else {
+          // Viewer
+          val large  = FileUtil.isLarge(git.getRepository.getObjectDatabase.open(objectId).getSize)
+          val viewer = if(FileUtil.isImage(path)) "image" else if(large) "large" else "other"
+          val bytes  = if(viewer == "other") JGitUtil.getContentFromId(git, objectId, false) else None
+
+          val content = if(viewer == "other"){
+            if(bytes.isDefined && FileUtil.isText(bytes.get)){
+              // text
+              JGitUtil.ContentInfo("text", bytes.map(StringUtil.convertFromByteArray))
+            } else {
+              // binary
+              JGitUtil.ContentInfo("binary", None)
+            }
+          } else {
+            // image or large
+            JGitUtil.ContentInfo(viewer, None)
+          }
+
+          repo.html.editor(id, repository, path.split("/").toList, content, new JGitUtil.CommitInfo(revCommit))
+//        }
+      } getOrElse NotFound
+    }
+  })
+
   /**
    * Displays the file content of the specified branch or commit.
    */