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package ui.widgets;
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import static java.awt.GridBagConstraints.HORIZONTAL;
import static java.awt.GridBagConstraints.WEST;
import static ui.widgets.UIUtils.btn;
/**
* A common dialog for cert / template editing. It will close upon Esc or Cancel.
* +---------------------------++---------------------------++---------------------------+
* | Dialog X || New Template X || Issue new certificate X |
* | || || |
* |Template: (TBD) ||Template: _________||Template: (Drop down)|
* |Subject: _________||Subject: _________||Subject: _________ |
* |Validity (Days): (Spinner)||Validity (Days): (Spinner)||Validity (Days): (Spinner)|
* | || || |
* | Button Cancel|| Add Cancel|| Issue Cancel|
* +---------------------------++---------------------------++---------------------------+
*/
public abstract class CertEditDialog<T> extends JDialog {
/**
* The result.
*/
protected T res;
/**
* Root pane.
*/
protected JPanel contentPane = new JPanel();
protected JButton buttonOK = btn("", this::onOK);
protected JTextField textFieldSubject = new JTextField();
protected JSpinner spinnerValidity =
new JSpinner(new SpinnerNumberModel(60, 1, null, 0));
/**
* EFFECTS: Render the dialog, leaving title and OK button text blank.
*/
public CertEditDialog() {
contentPane.setLayout(new BoxLayout(contentPane, BoxLayout.PAGE_AXIS));
contentPane.setBorder(BorderFactory.createEmptyBorder(8, 8, 8, 8));
contentPane.add(renderForm());
contentPane.add(UIUtils.createActionsPane(buttonOK, btn("Cancel", this::onCancel)));
setContentPane(contentPane);
setModal(true);
getRootPane().setDefaultButton(buttonOK);
setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
onCancel(null);
}
});
contentPane.registerKeyboardAction(this::onCancel,
KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0),
JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT);
}
/**
* EFFECTS: Render the form.
*/
private JPanel renderForm() {
final JPanel panelForm = new JPanel(new GridBagLayout());
panelForm.add(new JLabel("Template: "), new GCBuilder().anchor(WEST).build());
panelForm.add(new JLabel("Subject: "), new GCBuilder().gridY(1).anchor(WEST).build());
panelForm.add(new JLabel("Validity (Days): "), new GCBuilder().gridY(2).anchor(WEST).build());
panelForm.add(createTemplateComponent(), new GCBuilder().gridXY(1, 0).anchor(WEST)
.fill(HORIZONTAL).build());
panelForm.add(textFieldSubject, new GCBuilder().gridXY(1, 1).anchor(WEST).fill(HORIZONTAL).build());
panelForm.add(spinnerValidity, new GCBuilder().gridXY(1, 2).anchor(WEST).fill(HORIZONTAL).build());
panelForm.add(new JPanel(), new GCBuilder().gridXY(1, 3).expandXY().fill(HORIZONTAL).build());
return panelForm;
}
/**
* EFFECTS: Create the component for subject.
*/
protected abstract JComponent createTemplateComponent();
/**
* EFFECTS: Handle OK.
*/
protected abstract void onOK(ActionEvent ev);
/**
* EFFECTS: Handle cancel: clear result and close dialog.
* MODIFIES: this
*/
private void onCancel(ActionEvent ev) {
res = null;
dispose();
}
/**
* EFFECTS: Get the result.
*/
public T getRes() {
return res;
}
}
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