private void buttonAddArticleActionPerformed(
java.awt.event.ActionEvent evt) { // GEN-FIRST:event_buttonAddArticleActionPerformed
int amount;
try {
amount = Integer.parseInt(fieldAmount.getText());
if (amount > 0) {
int index = listArticles.getSelectedIndex();
ReceiptArticle article = articles.get(index);
article.setAmount(amount);
parent.addArticle(article);
dispose();
} else labelError.setText("Antal måste vara ett positivt heltal.");
} catch (NumberFormatException e) {
labelError.setText("Antal får bara innehålla siffror.");
}
} // GEN-LAST:event_buttonAddArticleActionPerformed
private void populateList() {
for (ReceiptArticle article : articles) {
listArticles.addItem(article.getArticleName());
}
}