From 65ea6c17a0c1348aa9ef4e158102ddf173936882 Mon Sep 17 00:00:00 2001
From: Yuuta Liang <yuutaw@student.cs.ubc.ca>
Date: Thu, 23 Nov 2023 08:09:01 +0800
Subject: Add GUI

Signed-off-by: Yuuta Liang <yuutaw@student.cs.ubc.ca>
---
 src/main/ui/widgets/CertEditDialog.java | 108 ++++++++++++++++++++++++++++++++
 1 file changed, 108 insertions(+)
 create mode 100644 src/main/ui/widgets/CertEditDialog.java

(limited to 'src/main/ui/widgets/CertEditDialog.java')

diff --git a/src/main/ui/widgets/CertEditDialog.java b/src/main/ui/widgets/CertEditDialog.java
new file mode 100644
index 0000000..ea16b19
--- /dev/null
+++ b/src/main/ui/widgets/CertEditDialog.java
@@ -0,0 +1,108 @@
+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 │
+ *        │                           │
+ *        │Template:         (TBD)    │
+ *        │Subject:         _________ │
+ *        │Validity (Days):  (Spinner)│
+ *        │                           │
+ *        │              Button 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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