+
+ // TODO: image
+ final JButton add = new JButton("+");
+ final ConfigItem<E> fconfigItem = configItem;
+ add.addActionListener(new ActionListener() {
+ @Override
+ public void actionPerformed(ActionEvent e) {
+ JComponent field = fconfigItem
+ .createComponent(fconfigItem.info
+ .getListSize(false));
+ main.add(field);
+
+ main.revalidate();
+ main.repaint();
+ }
+ });
+
+ JPanel tmp = new JPanel(new BorderLayout());
+ tmp.add(add, BorderLayout.WEST);
+
+ JPanel mainPlus = new JPanel(new BorderLayout());
+ mainPlus.add(main, BorderLayout.CENTER);
+ mainPlus.add(tmp, BorderLayout.SOUTH);
+
+ add(mainPlus, BorderLayout.CENTER);
+ } else {
+ this.setLayout(new BorderLayout());
+ add(label(nhgap), BorderLayout.WEST);
+
+ JComponent field = configItem.createComponent(-1);
+ add(field, BorderLayout.CENTER);
+ }
+ }
+
+ /**
+ * 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) {
+ this.info = info;
+ if (!autoDirtyHandling) {
+ dirtyBits = new ArrayList<Integer>();
+ }
+ }
+
+ /**
+ * Create an empty graphical component to be used later by
+ * {@link ConfigItem#getField(int)}.
+ * <p>
+ * Note that {@link ConfigItem#reload(int)} will be called after it was
+ * created.
+ *
+ * @param item
+ * the item number to get for an array of values, or -1 to get
+ * the whole value (has no effect if {@link MetaInfo#isArray()}
+ * is FALSE)
+ *
+ * @return the graphical component
+ */
+ protected JComponent createField(@SuppressWarnings("unused") int item) {
+ // Not used by the main class, only the sublasses
+ return null;
+ }
+
+ /**
+ * Get the information from the {@link MetaInfo} in the subclass preferred
+ * format.
+ *
+ * @param item
+ * the item number to get for an array of values, or -1 to get
+ * the whole value (has no effect if {@link MetaInfo#isArray()}
+ * is FALSE)
+ *
+ * @return the information in the subclass preferred format
+ */
+ protected Object getFromInfo(@SuppressWarnings("unused") int item) {
+ // Not used by the main class, only the subclasses
+ return null;
+ }
+
+ /**
+ * Set the value to the {@link MetaInfo}.
+ *
+ * @param value
+ * the value in the subclass preferred format
+ * @param item
+ * the item number to get for an array of values, or -1 to get
+ * the whole value (has no effect if {@link MetaInfo#isArray()}
+ * is FALSE)
+ */
+ protected void setToInfo(@SuppressWarnings("unused") Object value,
+ @SuppressWarnings("unused") int item) {
+ // Not used by the main class, only the subclasses
+ }
+
+ /**
+ * @param item
+ * the item number to get for an array of values, or -1 to get
+ * the whole value (has no effect if {@link MetaInfo#isArray()}
+ * is FALSE)
+ *
+ * @return
+ */
+ protected Object getFromField(@SuppressWarnings("unused") int item) {
+ // Not used by the main class, only the subclasses
+ return null;
+ }
+
+ /**
+ * Set the value (in the subclass preferred format) into the field.
+ *
+ * @param value
+ * the value in the subclass preferred format
+ * @param item
+ * the item number to get for an array of values, or -1 to get
+ * the whole value (has no effect if {@link MetaInfo#isArray()}
+ * is FALSE)
+ */
+ protected void setToField(@SuppressWarnings("unused") Object value,
+ @SuppressWarnings("unused") int item) {
+ // Not used by the main class, only the subclasses
+ }
+
+ /**
+ * Create a new field for the given graphical component at the given index
+ * (note that the component is usually created by
+ * {@link ConfigItem#createField(int)}).
+ *
+ * @param item
+ * the item number to get for an array of values, or -1 to get
+ * the whole value (has no effect if {@link MetaInfo#isArray()}
+ * is FALSE)
+ * @param field
+ * the graphical component
+ */
+ private void setField(int item, JComponent field) {
+ if (item < 0) {
+ this.field = field;
+ return;
+ }
+
+ for (int i = fields.size(); i <= item; i++) {
+ fields.add(null);
+ }
+
+ fields.set(item, field);
+ }
+
+ /**
+ * Retrieve the associated graphical component that was created with
+ * {@link ConfigItem#createField(int)}.
+ *
+ * @param item
+ * the item number to get for an array of values, or -1 to get
+ * the whole value (has no effect if {@link MetaInfo#isArray()}
+ * is FALSE)
+ *
+ * @return the graphical component
+ */
+ protected JComponent getField(int item) {
+ if (item < 0) {
+ return field;
+ }
+
+ if (item < fields.size()) {
+ return fields.get(item);