Bring back to front a tab of an already open file apache#5184

Author: nadment

ui/src/main/java/org/apache/hop/ui/core/widget/TreeMemory.java

@@ -114,7 +114,7 @@ public boolean isExpanded(String treeName, String[] path) {
 
     Boolean expanded = map.get(key);
     if (expanded != null) {
-      return expanded.booleanValue();
+      return expanded;
     } else {
       return false;
     }

ui/src/main/java/org/apache/hop/ui/hopgui/perspective/explorer/ExplorerPerspective.java

@@ -918,8 +918,7 @@ public CTabFolder getTabFolder() {
    * @param event The selection event
    */
   private void handleTabSelectionEvent(Event event) {
-    if (event.item instanceof CTabItem cTabItem) {
-      CTabItem tabItem = cTabItem;
+    if (event.item instanceof CTabItem tabItem) {
       ExplorerFile explorerFile = (ExplorerFile) tabItem.getData();
       selectInTree(explorerFile.getFilename());
       updateGui();
@@ -929,6 +928,15 @@ private void handleTabSelectionEvent(Event event) {
   public void addFile(ExplorerFile explorerFile) {
 
     if (files.contains(explorerFile)) {
+      // Select and show tab item
+      for (CTabItem tabItem : tabFolder.getItems()) {
+        ExplorerFile file = (ExplorerFile) tabItem.getData();
+        if (explorerFile.getFilename().equals(file.getFilename())) {
+          tabFolder.setSelection(tabItem);
+          tabFolder.showItem(tabItem);
+          tabFolder.setFocus();
+        }
+      }
       return;
     }