private void actionClear() {
clearing = true;
tableModel.clearDownload(table.getSelectedRow());
clearing = false;
selectedDownload = null;
updateButtons();
}
private void tableSelectionChanged() {
if (selectedDownload != null) selectedDownload.deleteObserver(DownloadGUI.this);
if (!clearing && table.getSelectedRow() > -1) {
selectedDownload = tableModel.getDownload(table.getSelectedRow());
selectedDownload.addObserver(DownloadGUI.this);
updateButtons();
}
}
private void actionAdd() {
URL verifiedUrl = verifyUrl(addTextField.getText());
if (verifiedUrl != null) {
tableModel.addDownload(new DownloadFile(verifiedUrl));
addTextField.setText("");
} else {
JOptionPane.showMessageDialog(
this, "Invalid Download URL", "Error", JOptionPane.ERROR_MESSAGE);
}
}