/**
* Recursively writes a data source Item and its children to a design.
*
* @since 7.5.0
* @param design the element into which to insert the item
* @param itemId the id of the item to write
* @param context the DesignContext instance used in writing
* @return
*/
@Override
protected Element writeItem(Element design, Object itemId, DesignContext context) {
Element element = design.appendElement("node");
element.attr("text", itemId.toString());
Resource icon = getItemIcon(itemId);
if (icon != null) {
DesignAttributeHandler.writeAttribute(
"icon", element.attributes(), icon, null, Resource.class);
}
if (isSelected(itemId)) {
element.attr("selected", "");
}
Collection<?> children = getChildren(itemId);
if (children != null) {
// Yeah... see #5864
for (Object childItemId : children) {
writeItem(element, childItemId, context);
}
}
return element;
}
/**
* Recursively writes the root items and their children to a design.
*
* @since 7.5.0
* @param design the element into which to insert the items
* @param context the DesignContext instance used in writing
*/
@Override
protected void writeItems(Element design, DesignContext context) {
for (Object itemId : rootItemIds()) {
writeItem(design, itemId, context);
}
}