private void btnSearchTitleActionPerformed(
java.awt.event.ActionEvent evt) { // GEN-FIRST:event_btnSearchTitleActionPerformed
String title = txtSearchTitle.getText();
Node n = bst.find(m1.getISBN(title));
jLabel15.setText(n.getElement().getBookTitle());
jLabel16.setText(n.getElement().getAuthorFirstName());
jLabel23.setText(n.getElement().getAuthorLastName());
jLabel17.setText(Integer.toString(n.getElement().getISBN()));
} // GEN-LAST:event_btnSearchTitleActionPerformed
private void btnAddActionPerformed(
java.awt.event.ActionEvent evt) { // GEN-FIRST:event_btnAddActionPerformed
int x = 1;
int isbn = Integer.parseInt(txtISBN.getText());
if (txtBookTitle.getText().length() == 0
|| txtAuthor.getText().length() == 0
|| txtISBN.getText().length() == 0) {
JOptionPane.showMessageDialog(
null,
"Textfields cannot be empty. Please complete Book Title, Author and ISBN",
"Error",
JOptionPane.ERROR_MESSAGE);
} else if (!txtISBN.getText().matches("[-+]?\\d+(\\.\\d+)?")) {
JOptionPane.showMessageDialog(
null, "ISBN can only contain numbers", "Error", JOptionPane.ERROR_MESSAGE);
x = 0;
}
if (txtBookTitle.getText().length() != 0
&& txtAuthor.getText().length() != 0
&& txtISBN.getText().length() != 0
&& x == 1) {
String authorname = txtAuthor.getText();
String surname = txtSurname.getText();
String title = txtBookTitle.getText();
int bisbn = Integer.parseInt(txtISBN.getText());
Book b1 = new Book(bisbn, title, authorname, surname);
m1.insertBookMap(title, bisbn);
bst.add(b1);
JOptionPane.showMessageDialog(null, txtBookTitle.getText() + " has added");
txtBookTitle.setText("");
txtAuthor.setText("");
txtISBN.setText("");
txtSurname.setText("");
}
} // GEN-LAST:event_btnAddActionPerformed
