+ private static int minimumHeight = -1;
+
+ /** A small 16x16 "?" blue in PNG, base64 encoded. */
+ private static String img64info = //
+ ""
+ + "iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBI"
+ + "WXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH4wURFRg6IrtcdgAAATdJREFUOMvtkj8sQ1EUxr9z/71G"
+ + "m1RDogYxq7WDDYMYTSajSG4n6YRYzSaSLibWbiaDIGwdiLIYDFKDNJEgKu969xi8UNHy7H7LPcN3"
+ + "v/Odcy+hG9oOIeIcBCJS9MAvlZtOMtHxsrFrJHGqe0RVGnHAHpcIbPlng8BS3HmKBJYzabGUzcrJ"
+ + "XK+ckIrqANYR2JEv2nYDEVck0WKGfHzyq82Go+btxoX3XAcAIqTj8wPqOH6mtMeM4bGCLhyfhTMA"
+ + "qlLhKHqujCfaweCAmV0p50dPzsNpEKpK01V/n55HIvTnfDC2odKlfeYadZN/T+AqDACUsnkhqaU1"
+ + "LRIVuX1x7ciuSWQxVIrunONrfq3dI6oh+T94Z8453vEem/HTqT8ZpFJ0qDXtGkPbAGAMeSRngQCA"
+ + "eUvgn195AwlZWyvjtQdhAAAAAElFTkSuQmCC";
+
+ /** A small 16x16 "+" image with colours */
+ private static String img64add = //
+ ""
+ + "iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBI"
+ + "WXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH4wUeES0QBFvvnAAAAB1pVFh0Q29tbWVudAAAAAAAQ3Jl"
+ + "YXRlZCB3aXRoIEdJTVBkLmUHAAACH0lEQVQ4y42Tz0sVURTHP+fMmC7CQMpH1EjgIimCsEVBEIg/"
+ + "qIbcBAW2Uai1m/oH2rlJXLQpeRJt2gQhTO0iTTKC1I2JBf5gKCJCRPvhPOed22LmvV70Fn7hwr3c"
+ + "+z3ne+73HCFHEClxaASRHgduA91AW369BkwDI3Foy0GkEofmACQnSxyaCyItAkMClMzYdeCAJgVP"
+ + "tJJrPA7tVoUjNZlngXMAiRmXClfoK/Tjq09x7T6LW+8RxOVJ5+LQzgSRojm5WCEDlMrQVbjIQNtN"
+ + "rh0d5FTzaTLBmWKgM4h0Ig4NzWseohYCJUuqx123Sx0MBpF2+MAdyWUnlqX4lf4bIDHjR+rwJJPR"
+ + "qNCgCjDsA10lM/oKIRcO9lByCYklnG/pqQa4euQ6J5tPoKI0yD6ef33Ku40Z80R7CSJNWyZxT+Ki"
+ + "2ytGP911hyZxQaRp1RtPPPYKD4+sGJwPrDUp7Q9Xxnj9fYrUUnaszEAwQHfrZQAerT/g7cYMiuCp"
+ + "z8LmLI0qBqz6wLQn2v5he57FrXkAtlPH2ZZOuskCzG2+4dnnx3iSuSgCKqLAlAIjmXPiVIRsgYjU"
+ + "usrfO0Gq7cA9jUNbBsZrmiQnac1e6n3FeBzakpf39OSBG9IPHAZwzlFoagVg5edHXn57wZed9dpA"
+ + "C3FoYRDpf8M0AQwKwu9yubxjeA7Y72ENqlp3mOqMcwcwDPQCx8gGchV4BYzGoS1V3gL8AVA5C5/0"
+ + "oRFoAAAAAElFTkSuQmCC";
+
+ /** A small 32x32 "-" image with colours */
+ private static String img64remove = //
+ ""
+ + "iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBI"
+ + "WXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH4wUeESw5X/JGsQAAAB1pVFh0Q29tbWVudAAAAAAAQ3Jl"
+ + "YXRlZCB3aXRoIEdJTVBkLmUHAAACKUlEQVQ4y5WTO2iTYRSG3+//v/+SJrG5SSABh1JQBHFJNUNR"
+ + "YodCLoMoTkK0YKhQtBmsl01wKVZRBwcrgosg3SwFW9Cippe0VmlpB6uYqYIaNSZtbv/lOKRx0iR9"
+ + "4YOzvOc8vOd8wLbG4nYGAKP9tshKr3Pq0zFXORt0UzbopvUeZ2ml1/niUcIWAYBzwwqr+xgAjCSt"
+ + "wpXjWzx105Ha+1XsMgT8U6IJfPAacyfO50OXJi3VwbtbxMbidtZ3tiClbzi/eAuCmxgai4AfNvNn"
+ + "KJn3X5xWKgwA0lHHYud3MdDUXMcmIOMx0oGJXJCN9tuiJ98p4//DbtTk2cFKhB/OSBcMgQHVMkir"
+ + "AqwJBhGYrIIkCQc2eJK3aewI9Crko2FIh0K1Jo0mcwmV6XFUlmfRXhK7eXuRKaRVIYdiUGKnW8Kn"
+ + "0ia0t6/hKHJVqCcLzncQgLhtIvBfbWbZZahq+cl96AuvQLre2Mw59NUlkCwjZ6USL0uYgSj26B/X"
+ + "oK+vtkYgMAhMRF4x5oWlPdod0UQtfUFo7YEBBKz59BEGAAtRx1xHVgzu5AYyHmMmMJHrZolhhU3t"
+ + "05XJe7s2PJuCq9k1MgKyNjOXiBf8kWW5JDy4XKHBl2ql6+pvX8ZjzDOqrcWsFQAAE/T3H3z2GG/6"
+ + "zhT8sfdKeehWkUQAeJ7WcH23xTz1uPBwf1hclA3mBZjPojFOIOSsVPpmN1OznfpA+Gn+2kCHqg/d"
+ + "LhIA/AFU5d0V6gTjtQAAAABJRU5ErkJggg==";
+
+ /** The code base */
+ private final ConfigItemBase<JComponent, E> base;
+
+ /** The main panel with all the fields in it. */
+ private JPanel main;
+
+ /**
+ * Prepare a new {@link ConfigItem} instance, linked to the given
+ * {@link MetaInfo}.
+ *
+ * @param info
+ * the info
+ * @param autoDirtyHandling
+ * TRUE to automatically manage the setDirty/Save operations,
+ * FALSE if you want to do it yourself via
+ * {@link ConfigItem#setDirtyItem(int)}
+ */
+ protected ConfigItem(MetaInfo<E> info, boolean autoDirtyHandling) {
+ base = new ConfigItemBase<JComponent, E>(info, autoDirtyHandling) {
+ @Override
+ protected JComponent createEmptyField(int item) {
+ return ConfigItem.this.createEmptyField(item);
+ }
+
+ @Override
+ protected Object getFromInfo(int item) {
+ return ConfigItem.this.getFromInfo(item);
+ }
+
+ @Override
+ protected void setToInfo(Object value, int item) {
+ ConfigItem.this.setToInfo(value, item);
+ }
+
+ @Override
+ protected Object getFromField(int item) {
+ return ConfigItem.this.getFromField(item);
+ }
+
+ @Override
+ protected void setToField(Object value, int item) {
+ ConfigItem.this.setToField(value, item);
+ }
+
+ @Override
+ public JComponent createField(int item) {
+ JComponent field = super.createField(item);
+
+ int height = Math.max(getMinimumHeight(),
+ field.getMinimumSize().height);
+ field.setPreferredSize(new Dimension(200, height));
+
+ return field;
+ }
+
+ @Override
+ public List<JComponent> reload() {
+ List<JComponent> removed = base.reload();
+ if (!removed.isEmpty()) {
+ for (JComponent c : removed) {
+ main.remove(c);
+ }
+ main.revalidate();
+ main.repaint();
+ }
+
+ return removed;
+ }
+
+ @Override
+ protected JComponent removeItem(int item) {
+ JComponent removed = super.removeItem(item);
+ main.remove(removed);
+ main.revalidate();
+ main.repaint();
+
+ return removed;
+ }
+ };
+ }
+
+ /**
+ * Create a new {@link ConfigItem} for the given {@link MetaInfo}.
+ *
+ * @param nhgap
+ * negative horisontal gap in pixel to use for the label, i.e.,
+ * the step lock sized labels will start smaller by that amount
+ * (the use case would be to align controls that start at a
+ * different horisontal position)
+ */
+ public void init(int nhgap) {
+ if (getInfo().isArray()) {
+ this.setLayout(new BorderLayout());
+ add(label(nhgap), BorderLayout.WEST);
+
+ main = new JPanel();