/**
* Generate the trailing breadcrumb items. By default, the trailing items are derived from the
* bean structure of the resolved sitemap item of the current request.
*
* @param request
* @param deepestMenuItem
* @return list of trailing breadcrumb items
*/
protected List<BreadcrumbItem> getTrailingBreadcrumbItems(
HstRequest request, HstSiteMenuItem menuItem) {
List<BreadcrumbItem> items = new ArrayList<BreadcrumbItem>();
ResolvedSiteMapItem currentSmi = request.getRequestContext().getResolvedSiteMapItem();
HippoBean currentBean = getComponent().getBeanForResolvedSiteMapItem(request, currentSmi);
if (currentBean != null) {
if (addTrailingDocumentOnly) {
if (currentBean instanceof HippoDocument) {
items.add(getBreadcrumbItem(request, currentBean));
}
} else {
ResolvedSiteMapItem menuItemSmi = menuItem.resolveToSiteMapItem(request);
HippoBean menuItemBean = getComponent().getBeanForResolvedSiteMapItem(request, menuItemSmi);
// parent steps based on ancestor bean
if (menuItemBean != null && menuItemBean.isAncestor(currentBean)) {
while (!currentBean.isSelf(menuItemBean)) {
items.add(getBreadcrumbItem(request, currentBean));
currentBean = currentBean.getParentBean();
}
}
// try to determine parent steps based on path info in case the
// menuItemBean is not an ancestor, which occurs for instance
// when faceted navigation is used on the menu item
else {
String ancestorPath = menuItemSmi.getPathInfo();
String currentPath = currentSmi.getPathInfo();
if (currentPath.startsWith(ancestorPath)) {
String trailingPath = currentPath.substring(ancestorPath.length());
if (trailingPath.startsWith("/")) {
trailingPath = trailingPath.substring(1);
}
int steps = trailingPath.split("/").length;
for (int i = 0; i < steps; i++) {
items.add(getBreadcrumbItem(request, currentBean));
currentBean = currentBean.getParentBean();
}
}
}
Collections.reverse(items);
}
}
return items;
}
/**
* Generate the breadcrumb items which correspond to the expanded menu item tree.
*
* @param request
* @param deepestMenuItem
* @return list of menu breadcrumb items
*/
protected List<BreadcrumbItem> getMenuBreadcrumbItems(
HstRequest request, HstSiteMenuItem menuItem) {
List<BreadcrumbItem> items = new ArrayList<BreadcrumbItem>();
while (menuItem != null) {
items.add(getBreadcrumbItem(request, menuItem));
menuItem = menuItem.getParentItem();
}
Collections.reverse(items);
return items;
}
/**
* Creates a breadcrumb item belonging to a sitemenu item
*
* @param request
* @param menuItem
* @return breadcrumb item
*/
protected BreadcrumbItem getBreadcrumbItem(HstRequest request, HstSiteMenuItem menuItem) {
return new BreadcrumbItem(menuItem.getHstLink(), menuItem.getName());
}
