From 6a7c8ef22687bd09233fd8f4756878c18c76a6d6 Mon Sep 17 00:00:00 2001
From: Niki Roo <niki@nikiroo.be>
Date: Fri, 31 May 2019 14:50:08 +0200
Subject: [PATCH] ConigItem: allow 'show password' buttons

---
 .../nikiroo/utils/ui/ConfigItemPassword.java  | 62 ++++++++++++++++++-
 1 file changed, 59 insertions(+), 3 deletions(-)

diff --git a/src/be/nikiroo/utils/ui/ConfigItemPassword.java b/src/be/nikiroo/utils/ui/ConfigItemPassword.java
index c76083b1..e7987000 100644
--- a/src/be/nikiroo/utils/ui/ConfigItemPassword.java
+++ b/src/be/nikiroo/utils/ui/ConfigItemPassword.java
@@ -1,12 +1,43 @@
 package be.nikiroo.utils.ui;
 
+import java.awt.BorderLayout;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.swing.JButton;
 import javax.swing.JComponent;
+import javax.swing.JPanel;
 import javax.swing.JPasswordField;
 
 import be.nikiroo.utils.resources.MetaInfo;
 
 class ConfigItemPassword<E extends Enum<E>> extends ConfigItem<E> {
 	private static final long serialVersionUID = 1L;
+	/** A small 16x16 pass-protecet icon in PNG, base64 encoded. */
+	private static String img64PassProtected = //
+	""
+			+ "iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAQAAAC1+jfqAAAAAnNCSVQICFXsRgQAAAD5SURBVCjP"
+			+ "ndG9LoNxGIbxHxJTG9U0IsJAdCSNqZEa9BR87BaHYfW5ESYkmjQh4giwIU00MWFwAPWRSmpgaf6G"
+			+ "6ts36eZ+xuu+lvuhlTGjOFHAsXldWVDRa82WhE9pZFxrtmBeUY87+yqCH3UzMh4E1VYhp2ZVVfi7"
+			+ "C0PuBc9G2v6KoOlIQUoyhovyLb+uZla/TbsRHnOgJkfSi4YpbDiXjuwJDS+SlASLYC9mw5KgxJlg"
+			+ "CWJ4OyqckvKkIWswwmXrmPbl0QBkHcbsHRv6Fbz6MNnesWMnpMw51vRmphuXo7FujHf+cCt4NGza"
+			+ "lbp3l5b1xR/1rWrYf/MLWpplWwswQpMAAAAASUVORK5CYII=";
+
+	/** A small 16x16 pass-unprotecet icon in PNG, base64 encoded. */
+	private static String img64PassUnprotected = //
+	""
+			+ "iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAQAAAC1+jfqAAAAAmJLR0QAAKqNIzIAAAAJcEhZcwAA"
+			+ "CxMAAAsTAQCanBgAAAAHdElNRQfjBR8MIilwhCwdAAABK0lEQVQoz5XQv0uUAQCH8c/7qod4nect"
+			+ "gop3BIKDFBIiRyiKtATmcEiBDW7+Ae5ODt5gW0SLigouKTg6SJvkjw4Co8mcNeWgc+o839dBBXPz"
+			+ "+Y7PM33r3NCpWcWKM1lfHapJq0B4G/TbEDoyZlyHQxuGtdw6eSMC33yyJxa79MW+wIj8TdDrxJSS"
+			+ "+N5KppQNEchrkrMosmzRT0/0eGdSaFrob6DXloSqgu9mNWlUNqPPpmYNJkg5UvEMResystYVpbwW"
+			+ "qWpjVWwcfNQqLS1rAXwQOw4N4SWoqZeUVFMGuzgg65/IqIw5a3LarZnDcxd+ScMrkcikhB8+m1eU"
+			+ "MODUua67q967EttR0KHFoCVX/nhxp1N4o/rfUTueekC332KRM9veqnuoAwQyHs81DiddylUvrecA"
+			+ "AAAASUVORK5CYII=";
+
+	private Map<JComponent, JPasswordField> fields = new HashMap<JComponent, JPasswordField>();
 
 	/**
 	 * Create a new {@link ConfigItemPassword} for the given {@link MetaInfo}.
@@ -20,7 +51,7 @@ class ConfigItemPassword<E extends Enum<E>> extends ConfigItem<E> {
 
 	@Override
 	protected Object getFromField(int item) {
-		JPasswordField field = (JPasswordField) getField(item);
+		JPasswordField field = fields.get(getField(item));
 		if (field != null) {
 			return new String(field.getPassword());
 		}
@@ -35,7 +66,7 @@ class ConfigItemPassword<E extends Enum<E>> extends ConfigItem<E> {
 
 	@Override
 	protected void setToField(Object value, int item) {
-		JPasswordField field = (JPasswordField) getField(item);
+		JPasswordField field = fields.get(getField(item));
 		if (field != null) {
 			field.setText(value == null ? "" : value.toString());
 		}
@@ -48,6 +79,31 @@ class ConfigItemPassword<E extends Enum<E>> extends ConfigItem<E> {
 
 	@Override
 	protected JComponent createField(int item) {
-		return new JPasswordField();
+		JPanel pane = new JPanel(new BorderLayout());
+		final JPasswordField field = new JPasswordField();
+		field.setEchoChar('*');
+
+		final JButton show = new JButton();
+		final Boolean[] visible = new Boolean[] { false };
+		setImage(show, img64PassProtected, "/");
+		show.addActionListener(new ActionListener() {
+			@Override
+			public void actionPerformed(ActionEvent e) {
+				visible[0] = !visible[0];
+				if (visible[0]) {
+					field.setEchoChar((char) 0);
+					setImage(show, img64PassUnprotected, "o");
+				} else {
+					field.setEchoChar('*');
+					setImage(show, img64PassProtected, "/");
+				}
+			}
+		});
+
+		pane.add(field, BorderLayout.CENTER);
+		pane.add(show, BorderLayout.EAST);
+
+		fields.put(pane, field);
+		return pane;
 	}
 }
-- 
2.27.0