OLC redesign - use ViewerColumnController

Former-commit-id: fea7bbc2

plugins/org.jkiss.dbeaver.core/src/org/jkiss/dbeaver/ui/ViewerColumnController.java

@@ -147,6 +147,9 @@ public class ViewerColumnController {
 
     private void recreateColumns()
     {
+        final Control control = viewer.getControl();
+        control.setRedraw(false);
+        try {
             boolean needRefresh = false;
             for (ColumnInfo columnInfo : columns) {
                 if (columnInfo.column != null) {
@@ -165,11 +168,10 @@ public class ViewerColumnController {
             }
             if (!allSized) {
                 repackColumns();
-            viewer.getControl().addControlListener(new ControlAdapter() {
+                control.addControlListener(new ControlAdapter() {
                     @Override
-                public void controlResized(ControlEvent e)
-                {
-                    viewer.getControl().removeControlListener(this);
+                    public void controlResized(ControlEvent e) {
+                        control.removeControlListener(this);
                         repackColumns();
                     }
                 });
@@ -184,6 +186,9 @@ public class ViewerColumnController {
                     }
                 }
             }
+        } finally {
+            control.setRedraw(true);
+        }
     }
 
     public void repackColumns()

plugins/org.jkiss.dbeaver.core/src/org/jkiss/dbeaver/ui/controls/itemlist/ObjectListControl.java

@@ -929,7 +929,7 @@ public abstract class ObjectListControl<OBJECT_TYPE> extends ProgressPageControl
             if (prop != null) {
                 return ObjectViewerRenderer.getCellString(cellValue, prop.isNameProperty());
             } else {
-                return "?";
+                return "";
             }
         }