Driver editor fix.

plugins/org.jkiss.dbeaver.core/src/org/jkiss/dbeaver/registry/driver/DriverDescriptor.java

@@ -618,6 +618,16 @@ public class DriverDescriptor extends AbstractDescriptor implements DBPDriver
         return libraries;
     }
 
+    public List<DBPDriverLibrary> getEnabledDriverLibraries() {
+        List<DBPDriverLibrary> filtered = new ArrayList<>();
+        for (DBPDriverLibrary lib : libraries) {
+            if (!lib.isDisabled()) {
+                filtered.add(lib);
+            }
+        }
+        return filtered;
+    }
+
     public DBPDriverLibrary getDriverLibrary(String path)
     {
         for (DBPDriverLibrary lib : libraries) {

plugins/org.jkiss.dbeaver.core/src/org/jkiss/dbeaver/ui/dialogs/driver/DriverEditDialog.java

@@ -614,10 +614,17 @@ public class DriverEditDialog extends HelpEnabledDialog
 
     private void changeLibContent()
     {
-        libTable.setInput(new ArrayList<>(driver.getDriverLibraries()));
-        int itemCount = libTable.getTable().getItemCount();
-        findClassButton.setEnabled(provider.isDriversManagable() && itemCount > 0);
-        updateVersionButton.setEnabled(itemCount > 0);
+        libTable.setInput(driver.getEnabledDriverLibraries());
+        boolean hasFiles = false, hasDownloads = false;
+        for (DBPDriverLibrary library : driver.getDriverLibraries()) {
+            if (library.isDownloadable()) {
+                hasDownloads = true;
+                break;
+            }
+            hasFiles = true;
+        }
+        findClassButton.setEnabled(provider.isDriversManagable() && hasFiles);
+        updateVersionButton.setEnabled(hasDownloads);
     }
 
     private void changeLibSelection()
@@ -656,7 +663,7 @@ public class DriverEditDialog extends HelpEnabledDialog
             resetLibraries();
         }
         if (libTable != null) {
-            libTable.setInput(new ArrayList<>(driver.getDriverLibraries()));
+            libTable.setInput(driver.getEnabledDriverLibraries());
             changeLibContent();
             changeLibSelection();
         }
@@ -688,6 +695,7 @@ public class DriverEditDialog extends HelpEnabledDialog
     private void resetLibraries() {
         // Set libraries
         for (DBPDriverLibrary lib : CommonUtils.safeCollection(origLibList)) {
+            lib.setDisabled(false);
             driver.addDriverLibrary(lib);
         }
         for (DBPDriverLibrary lib : CommonUtils.copyList(driver.getDriverLibraries())) {