code: private void colorChooserPaperColorActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_colorChooserPaperColorActionPerformed
      if (this.colorChooserPaperColor.isLastOkPressed() && changeNotificationAllowed) {
        this.controller.changed();
      }
    }
docs: GEN-LAST:event_checkBoxDropShadowActionPerformed