@Override
      protected void layoutComponents() {
        new ExpandableEditorSupport(myTextField) {
          @NotNull
          @Override
          protected Content prepare(@NotNull EditorTextField field, @NotNull Function<? super String, String> onShow) {
            final Content popup = super.prepare(field, onShow);
            popup.getContentComponent().setPreferredSize(new Dimension(600, 150));
            return popup;
          }
        };
        final String[] variableNames = {Configuration.CONTEXT_VAR_NAME, ScriptLog.SCRIPT_LOG_VAR_NAME};

        final String variableText = String.join(", ", variableNames);
        if (myConstraint instanceof MatchVariableConstraint) {
          myHelpLabel = ContextHelpLabel.create(SSRBundle.message("script.filter.match.variable.help.text", variableText));
        }
        else {
          myHelpLabel = ContextHelpLabel.create(SSRBundle.message("script.filter.replacement.variable.help.text", variableText));
        }

        final GroupLayout layout = new GroupLayout(this);
        setLayout(layout);
        layout.setAutoCreateContainerGaps(true);

        layout.setHorizontalGroup(
          layout.createSequentialGroup()
            .addComponent(myLabel)
            .addComponent(myTextField)
            .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED, 1, 1)
            .addComponent(myHelpLabel)
        );
        layout.setVerticalGroup(
          layout.createParallelGroup(GroupLayout.Alignment.CENTER)
            .addComponent(myLabel)
            .addComponent(myTextField)
            .addComponent(myHelpLabel)
        );
      }
@Override
      protected void layoutComponents()