@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 loopMenu(List<Map<String, Object>> menuList, Menu menu) {
Map<String, Object> row = Maps.newHashMap();
menuList.add(row);
row.put("id", menu.getId());
row.put("name", menu.getTitle());
row.put("open", menu.getInitOpen());
row.put("disabled", menu.getDisabled());
List<Menu> children = menu.getChildren();
if (!CollectionUtils.isEmpty(children)) {
List<Map<String, Object>> childrenList = Lists.newArrayList();
row.put("children", childrenList);
for (Menu child : children) {
loopMenu(childrenList, child);
}
}
}
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);
}
@MetaData(title = "移动/复制")
public HttpHeaders doDrag() {
Set<Menu> operationEntities = Sets.newHashSet();
Menu target = null;
String targetId = this.getParameter("targetId");
if (StringUtils.isNotBlank(targetId)) {
target = getEntityService().findOne(targetId);
}
Collection<Menu> entities = this.getEntitiesByParameterIds();
String moveType = this.getParameter("moveType");
String copy = this.getParameter("copy", "false");
if (BooleanUtils.toBoolean(copy)) {
Collection<Menu> copyEntities = Lists.newArrayList();
for (Menu menu : entities) {
copyEntities.add(cloneNewEntity(menu, "children", "parent"));
}
entities = copyEntities;
}
if (TreeNodeConstant.TreeNodeDragType.prev.name().equals(moveType)
|| TreeNodeConstant.TreeNodeDragType.next.name().equals(moveType)) {
int max = 0;
for (Menu menu : entities) {
if (menu.getOrderRank() > max) {
max = menu.getOrderRank();
}
}
Iterable<Menu> children = null;
Menu targetParent = target.getParent();
if (targetParent == null) {
children = menuService.findRoots();
} else {
children = target.getParent().getChildren();
}
if (TreeNodeConstant.TreeNodeDragType.prev.name().equals(moveType)) {
List<Menu> childrenPrev = Lists.newArrayList();
for (Menu menu : children) {
if (menu.getOrderRank() >= target.getOrderRank()) {
menu.setOrderRank(menu.getOrderRank() + max);
operationEntities.add(menu);
} else {
childrenPrev.add(menu);
}
}
int maxPrev = 0;
for (Menu menu : childrenPrev) {
if (menu.getOrderRank() > maxPrev) {
maxPrev = menu.getOrderRank();
}
}
for (Menu menu : entities) {
menu.setOrderRank(menu.getOrderRank() + maxPrev);
operationEntities.add(menu);
}
} else if (TreeNodeConstant.TreeNodeDragType.next.name().equals(moveType)) {
for (Menu menu : children) {
if (menu.getOrderRank() > target.getOrderRank()) {
menu.setOrderRank(menu.getOrderRank() + max);
operationEntities.add(menu);
}
}
for (Menu menu : entities) {
menu.setOrderRank(menu.getOrderRank() + target.getOrderRank());
operationEntities.add(menu);
}
}
} else if (TreeNodeConstant.TreeNodeDragType.inner.name().equals(moveType)) {
Iterable<Menu> children = null;
if (target == null) {
children = menuService.findRoots();
} else {
children = target.getChildren();
}
int max = 0;
for (Menu menu : children) {
if (menu.getOrderRank() > max) {
max = menu.getOrderRank();
}
}
for (Menu menu : entities) {
menu.setOrderRank(menu.getOrderRank() + max);
menu.setParent(target);
operationEntities.add(menu);
}
} else {
throw new IllegalArgumentException("moveType=" + moveType);
}
getEntityService().save(operationEntities);
setModel(OperationResult.buildSuccessResult("更新菜单所属上级节点操作完成"));
return buildDefaultHttpHeaders();
}