package org.jeecg.modules.system.util;
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import org.jeecg.common.constant.CommonConstant;
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import org.jeecg.common.util.RedisUtil;
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import org.jeecg.common.util.oConvertUtils;
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import org.jeecg.modules.system.entity.SysDepart;
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import org.jeecg.modules.system.model.DepartIdModel;
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import org.jeecg.modules.system.model.SysDepartTreeModel;
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import org.springframework.beans.factory.annotation.Autowired;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* <P>
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* 对应部门的表,处理并查找树级数据
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* <P>
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*
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* @Author: Steve
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* @Date: 2019-01-22
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*/
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public class FindsDepartsChildrenUtil {
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//部门树信息-树结构
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//private static List<SysDepartTreeModel> sysDepartTreeList = new ArrayList<SysDepartTreeModel>();
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//部门树id-树结构
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//private static List<DepartIdModel> idList = new ArrayList<>();
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/**
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* queryTreeList的子方法 ====1=====
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* 该方法是s将SysDepart类型的list集合转换成SysDepartTreeModel类型的集合
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*/
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public static List<SysDepartTreeModel> wrapTreeDataToTreeList(List<SysDepart> recordList) {
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// 在该方法每请求一次,都要对全局list集合进行一次清理
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//idList.clear();
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List<DepartIdModel> idList = new ArrayList<DepartIdModel>();
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List<SysDepartTreeModel> records = new ArrayList<>();
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for (int i = 0; i < recordList.size(); i++) {
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SysDepart depart = recordList.get(i);
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records.add(new SysDepartTreeModel(depart));
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}
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List<SysDepartTreeModel> tree = findChildren(records, idList);
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setEmptyChildrenAsNull(tree);
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return tree;
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}
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/**
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* 获取 DepartIdModel
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* @param recordList
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* @return
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*/
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public static List<DepartIdModel> wrapTreeDataToDepartIdTreeList(List<SysDepart> recordList) {
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// 在该方法每请求一次,都要对全局list集合进行一次清理
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//idList.clear();
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List<DepartIdModel> idList = new ArrayList<DepartIdModel>();
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List<SysDepartTreeModel> records = new ArrayList<>();
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for (int i = 0; i < recordList.size(); i++) {
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SysDepart depart = recordList.get(i);
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records.add(new SysDepartTreeModel(depart));
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}
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findChildren(records, idList);
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return idList;
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}
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/**
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* queryTreeList的子方法 ====2=====
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* 该方法是找到并封装顶级父类的节点到TreeList集合
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*/
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private static List<SysDepartTreeModel> findChildren(List<SysDepartTreeModel> recordList,
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List<DepartIdModel> departIdList) {
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List<SysDepartTreeModel> treeList = new ArrayList<>();
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for (int i = 0; i < recordList.size(); i++) {
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SysDepartTreeModel branch = recordList.get(i);
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if (oConvertUtils.isEmpty(branch.getParentId())) {
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treeList.add(branch);
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DepartIdModel departIdModel = new DepartIdModel().convert(branch);
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departIdList.add(departIdModel);
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}
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}
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getGrandChildren(treeList,recordList,departIdList);
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//idList = departIdList;
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return treeList;
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}
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/**
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* queryTreeList的子方法====3====
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*该方法是找到顶级父类下的所有子节点集合并封装到TreeList集合
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*/
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private static void getGrandChildren(List<SysDepartTreeModel> treeList,List<SysDepartTreeModel> recordList,List<DepartIdModel> idList) {
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for (int i = 0; i < treeList.size(); i++) {
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SysDepartTreeModel model = treeList.get(i);
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DepartIdModel idModel = idList.get(i);
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for (int i1 = 0; i1 < recordList.size(); i1++) {
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SysDepartTreeModel m = recordList.get(i1);
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if (m.getParentId()!=null && m.getParentId().equals(model.getId())) {
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model.getChildren().add(m);
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DepartIdModel dim = new DepartIdModel().convert(m);
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idModel.getChildren().add(dim);
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}
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}
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getGrandChildren(treeList.get(i).getChildren(), recordList, idList.get(i).getChildren());
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}
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}
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/**
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* queryTreeList的子方法 ====4====
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* 该方法是将子节点为空的List集合设置为Null值
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*/
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private static void setEmptyChildrenAsNull(List<SysDepartTreeModel> treeList) {
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for (int i = 0; i < treeList.size(); i++) {
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SysDepartTreeModel model = treeList.get(i);
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if (model.getChildren().size() == 0) {
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model.setChildren(null);
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model.setIsLeaf(true);
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}else{
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setEmptyChildrenAsNull(model.getChildren());
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model.setIsLeaf(false);
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}
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}
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// sysDepartTreeList = treeList;
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}
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}
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