@MetaData(title = "树形表格数据")
public HttpHeaders treeGridData() {
Map<String, Menu> menuDatas = Maps.newLinkedHashMap();
String nodeid = this.getParameter("nodeid");
if (StringUtils.isNotBlank(nodeid)) {
Menu parent = menuService.findOne(nodeid);
List<Menu> children = menuService.findChildren(parent);
for (Menu menu : children) {
menu.addExtraAttribute("level", menu.getLevel());
menu.addExtraAttribute("parent", nodeid);
menu.addExtraAttribute(
"isLeaf", CollectionUtils.isEmpty(menuService.findChildren(menu)) ? true : false);
menu.addExtraAttribute("expanded", false);
menu.addExtraAttribute("loaded", true);
menuDatas.put(menu.getId(), menu);
}
} else {
GroupPropertyFilter groupFilter =
GroupPropertyFilter.buildGroupFilterFromHttpRequest(entityClass, getRequest());
if (groupFilter.isEmpty()) {
groupFilter.and(new PropertyFilter(MatchType.NU, "parent", true));
}
List<Menu> menus =
menuService.findByFilters(groupFilter, new Sort(Direction.DESC, "parent", "orderRank"));
for (Menu menu : menus) {
loopTreeGridData(menuDatas, menu, false);
}
}
setModel(menuDatas.values());
return buildDefaultHttpHeaders();
}
private void loopTreeGridData(Map<String, Menu> menuDatas, Menu menu, boolean expanded) {
Menu parent = menu.getParent();
if (parent != null && !menuDatas.containsKey(parent.getId())) {
loopTreeGridData(menuDatas, parent, true);
}
List<Menu> children = menuService.findChildren(menu);
menu.addExtraAttribute("level", menu.getLevel());
menu.addExtraAttribute("parent", parent == null ? "" : parent.getId());
menu.addExtraAttribute("isLeaf", CollectionUtils.isEmpty(children) ? true : false);
menu.addExtraAttribute("expanded", expanded);
menu.addExtraAttribute("loaded", true);
menuDatas.put(menu.getId(), menu);
}