/**
* Converts a Category object into a CategoryListItem.
*
* @param category the category to extract the name and sub-categories from
* @param parentItem the parent category or null if this is a root category
*/
public CategoryListItem(Category category, CategoryListItem parentItem) {
name = category.getName();
fullName = parentItem == null ? name : parentItem.fullName + " / " + name;
key = category.getKey();
List<Category> subCategories = category.getSubCategories();
int cntSubCategories = subCategories == null ? 0 : subCategories.size();
if (cntSubCategories == 0) {
subItems = new CategoryListItem[0];
} else {
subItems = new CategoryListItem[cntSubCategories];
for (int i = 0; i < cntSubCategories; i++) {
subItems[i] = new CategoryListItem(subCategories.get(i), this);
}
// add a clickable item for the expandable root category
subItems[cntSubCategories - 1] = new CategoryListItem(name, fullName, key, null);
}
}