private void grammarHelpButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_grammarHelpButtonActionPerformed
        if (controller == null) {
            return;
        }

        String xPosition = storageValues.get(StorageKey.GRAMMAR_HELP_POSITION_X);
        String yPosition = storageValues.get(StorageKey.GRAMMAR_HELP_POSITION_Y);

        if (xPosition != null && yPosition != null) {
            int x = Integer.parseInt(xPosition);
            int y = Integer.parseInt(yPosition);

            controller.showGrammarHelpWindow(x, y);
        } else {
            controller.showGrammarHelpWindow(30, 30);
        }
    }//GEN-LAST:event_grammarHelpButtonActionPerformed