this.determinantRadioButton)
                                        .addGap(18, 18, 18)
                                        .addGroup(
                                                layout
                                                        .createParallelGroup(
                                                                javax.swing.GroupLayout.Alignment.BASELINE)
                                                        .addComponent(
                                                                this.cancelButton)
                                                        .addComponent(
                                                                this.okButton))
                                        .addContainerGap(
                                                javax.swing.GroupLayout.DEFAULT_SIZE,
                                                Short.MAX_VALUE)));

        this.pack();
    }// </editor-fold>//GEN-END:initComponents

    private void cancelButtonActionPerformed(
            final java.awt.event.ActionEvent evt) {// GEN-FIRST:event_cancelButtonActionPerformed
        this.mathMLText = null;
        this.setVisible(false);
    }// GEN-LAST:event_cancelButtonActionPerformed

    public String getMathMLText() {
        return this.mathMLText;
    }

    private void okButtonActionPerformed(final java.awt.event.ActionEvent evt) {// GEN-FIRST:event_okButtonActionPerformed

        this.updateMathMLText();
        this.setVisible(false);
    }// GEN-LAST:event_okButtonActionPerformed

    private String buildText(final int lines, final int columns,