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package cn.mapway.document.module;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;


/**
 * API 分组.
 *
 * @author zhangjianshe
 */
public class Group implements Serializable {

    /**
     * Instantiates a new group.
     */
    public Group() {
        entries = new ArrayList();
        subGroups = new ArrayList();

        setParent(null);
    }

    /**
     * The order.
     */
    public Integer order = 1;

    /**
     * 节点名称.
     */
    public String name = "";

    /**
     * 节点说明.
     */
    public String summary;

    /**
     * 父节点.
     */
    private Group parent;

    /**
     * 节点全路径名称.
     */
    public String fullName = "/";

    /**
     * 子节点.
     */
    public List entries;

    /**
     * 子分组.
     */
    public List subGroups;

    /**
     * 添加子節點.
     *
     * @param g the g
     */
    public void addChildGroup(Group g) {
        g.setParent(this);
        subGroups.add(g);
    }

    /**
     * 清空子節點.
     */
    public void clearChildGroup() {
        subGroups.clear();
    }

    /**
     * 移除子节点.
     *
     * @param g the g
     */
    public void removeChildGroup(Group g) {
        subGroups.remove(g);
    }

    /**
     * Gets the child groups.
     *
     * @return the child groups
     */
    public List getChildGroups() {
        return subGroups;
    }

    /**
     * 获取节点的全路径.
     *
     * @return the path
     */
    public String getPath() {
        ArrayList strArray = new ArrayList();

        Group g = getParent();

        while (g != null) {
            strArray.add(g.name);
            g = g.getParent();
        }

        StringBuilder sb = new StringBuilder();
        for (int i = strArray.size() - 1; i >= 0; i--) {
            if (strArray.get(i).equals("/")) {
                continue;
            }
            sb.append("/" + strArray.get(i));
        }

        return sb.toString();
    }

    /**
     * Gets the parent.
     *
     * @return the parent
     */
    public Group getParent() {
        return parent;
    }

    /**
     * Sets the parent.
     *
     * @param parent the new parent
     */
    public void setParent(Group parent) {
        this.parent = parent;
    }

    /**
     * 排序.
     */
    public void sort() {

        Collections.sort(subGroups, new Comparator() {

            public int compare(Group o1, Group o2) {
                return o1.order > o2.order ? 1 : -1;
            }
        });

        Collections.sort(entries, new Comparator() {

            public int compare(Entry o1, Entry o2) {
                return o1.order > o2.order ? 1 : -1;
            }
        });

        for (Group g : subGroups) {
            g.sort();
        }

    }
}