package cn.ksource.core.web;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import cn.ksource.core.util.JsonUtil;


public class TreeNode {

	private String id; //节点ID
	private Boolean isOpen; //是否为打开状态
	private String text; //文字
	private String iconCls;
	private Map attributes = new HashMap();
	private List<TreeNode> childrenNodes = new ArrayList<TreeNode>();
	
	private TreeNode faterNode;
	
	/**创佳节点树
	 * @param id
	 * @param text
	 * @param isOpen
	 */
	public TreeNode(String id,String text,Boolean isOpen){
		this.id = id;
		this.text = text;
		this.isOpen = isOpen;
	}
	
	
	/**
	 * 创建节点树，默认为是叶子节点
	 * @param id
	 * @param text
	 */
	public TreeNode(String id,String title){
		this(id, title, true);
	}
	
	/**
	 * 设置属性
	 * @param map
	 * 作者：杨凯
	 */
	public void setAttributes(Map map){
		this.attributes = map;
	}
	
	/**取得属性集合
	 * @return
	 * 作者：杨凯
	 */
	public Map getAttributes(){
		return this.attributes;
	}
	
	/**
	 * 增加子节点
	 * @param treeNode
	 * 作者：杨凯
	 */
	public void addChild(TreeNode treeNode){
		treeNode.setFaterNode(this);
		this.childrenNodes.add(treeNode);
	}
	
	/**
	 * 取得所有子节点
	 * @return
	 * 作者：杨凯
	 */
	public List<TreeNode> getChildren(){
		return this.childrenNodes;
	}
	
	/**
	 * 取得节点树的JSON格式
	 * @return
	 * 作者：杨凯
	 */
	public String toJson(){
		
		Map jsonMap = getAllAttributes();
		return JsonUtil.obj2Json(jsonMap);
	}
	
	/**
	 * 取得除根节点以后的其他节点的JSON格式
	 * @return
	 * 作者：杨凯
	 */
	public String getChildrenNodesForJson(){
		List<Map> tempList = new ArrayList<Map>();
		for (TreeNode chidNode : this.childrenNodes) {
			tempList.add(chidNode.getAllAttributes());
		}
		return JsonUtil.obj2Json(tempList);
	}

	private Map getAllAttributes() {
		Map jsonMap = new HashMap();   
		jsonMap.put("id", this.id);
		jsonMap.put("text", this.text);
		jsonMap.put("iconCls", this.iconCls);
		if (isOpen != null) {
			jsonMap.put("state",this.isOpen ? "open":"closed");
		}
		
		if (this.attributes != null && this.attributes.size() > 0) {
			jsonMap.put("attributes", this.attributes);
		}
		
		List<Map> tempList = new ArrayList<Map>();
		for (TreeNode chidNode : this.childrenNodes) {
			tempList.add(chidNode.getAllAttributes());
		}
		jsonMap.put("children", tempList);
		return jsonMap;
	}

	public String getId() {
		return id;
	}

	public void setId(String id) {
		this.id = id;
	}

	public Boolean getIsOpen() {
		return isOpen;
	}

	public void setIsOpen(Boolean isOpen) {
		this.isOpen = isOpen;
	}

	public String getText() {
		return text;
	}
	
	public void setText(String text) {
		this.text = text;
	}

	public TreeNode getFaterNode() {
		return faterNode;
	}

	public void setFaterNode(TreeNode faterNode) {
		this.faterNode = faterNode;
	}


	public String getIconCls() {
		return iconCls;
	}


	public void setIconCls(String iconCls) {
		this.iconCls = iconCls;
	}
}