package org.jeecg.modules.dnc.response;
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import cn.hutool.core.util.StrUtil;
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import lombok.Data;
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import lombok.NoArgsConstructor;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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import java.util.Map;
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@Data
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@NoArgsConstructor
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public class CommonGenericTree<T> {
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private String id; // 要显示的节点的ID
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private String label; // 要显示的子节点的名称
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private String iconClass; // 节点的图标
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private String parentId; // 父节点的ID
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private List<CommonGenericTree> children; // 孩子节点的List
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private String rField; //绑定扩展鼠性
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/**
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* 节点分类
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* 产品树型 1 产品 2 部件 3 零件
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* 设备树形 1 设备分组 2 设备
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*/
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private Integer type;
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private T entity;
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/**
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* 是否为子节点
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*/
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private Boolean leaf = false;
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// 添加子节点的方法
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public CommonGenericTree<T> addChildren(CommonGenericTree node) {
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if (this.children == null) {
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this.children = new ArrayList<CommonGenericTree>();
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}
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this.children.add(node);
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return node;
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}
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public boolean hasChildren() {
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boolean bu = true;
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if(getChildren() == null || getChildren().isEmpty()) {
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bu = false;
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return bu;
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}
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return bu;
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}
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/**
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* 获取树的所有叶子节点
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* @param tree
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* @return
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*/
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public static Map<String, CommonGenericTree> getLeafNode(Map<String, CommonGenericTree> map, CommonGenericTree tree) {
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if(tree == null)
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return map;
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if(tree.hasChildren()) {
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List<CommonGenericTree> childrenNodes = tree.getChildren();
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for(CommonGenericTree child : childrenNodes) {
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map = getLeafNode(map, child);
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}
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map.put(tree.getId(), tree);
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}else {
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map.put(tree.getId(), tree);
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}
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return map;
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}
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public static Map<String, CommonGenericTree> getAllParentNode(Map<String, CommonGenericTree> map, Map<String, CommonGenericTree> allNode, CommonGenericTree childNode) {
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if(childNode == null || allNode == null || allNode.isEmpty())
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return map;
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String parentId = childNode.getParentId();
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if(StrUtil.isEmpty(parentId)) {
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CommonGenericTree parent;
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if(allNode.containsKey(parentId)) {
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parent = allNode.get(childNode.getParentId());
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map.put(childNode.getId(), childNode);
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map = getAllParentNode(map, allNode, parent);
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}else {
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map.put(childNode.getId(), childNode);
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}
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}else {
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map.put(childNode.getId(), childNode);
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}
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return map;
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}
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public static CommonGenericTree copyToNewTree(CommonGenericTree oldNode, CommonGenericTree newNode, Map<String, CommonGenericTree> map) {
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if(oldNode == null || map == null || map.isEmpty())
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return newNode;
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if(oldNode.hasChildren()) {
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List<CommonGenericTree> childrenNodes = oldNode.getChildren();
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CommonGenericTree newChild;
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for(CommonGenericTree child : childrenNodes) {
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if(map.containsKey(child.getId())) {
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newChild = new CommonGenericTree();
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newChild.copyNoneChild(child);
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newNode.addChildren(newChild);
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copyToNewTree(child, newChild, map);
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}
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}
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}
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return newNode;
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}
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public static List<CommonGenericTree> convertMapToList(Map<String, CommonGenericTree> map) {
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if(map == null || map.isEmpty())
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return Collections.emptyList();
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List<CommonGenericTree> tree = new ArrayList<>();
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CommonGenericTree node;
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CommonGenericTree parent;
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for(Map.Entry<String, CommonGenericTree> en : map.entrySet()) {
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node = en.getValue();
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if(node != null) {
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if(node.getParentId() == null) {
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tree.add(en.getValue());
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}else {
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if(map.containsKey(node.getParentId())) {
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parent = map.get(node.getParentId());
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parent.addChildren(node);
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}
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}
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}
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}
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return tree;
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}
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public CommonGenericTree copyNoneChild(CommonGenericTree oldNode) {
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this.id = oldNode.getId();
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this.label = oldNode.getLabel();
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this.type = oldNode.getType();
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this.iconClass = oldNode.getIconClass();
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this.entity = (T)oldNode.getEntity();
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this.rField = oldNode.getRField();
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this.parentId = oldNode.getParentId();
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return this;
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}
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}
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