package com.vci.client.portal.NewNewUI.actionmng;

import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTree;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeModel;
import javax.swing.tree.TreePath;
import javax.swing.tree.TreeSelectionModel;

import com.vci.client.portal.utility.UITools;
import com.vci.corba.common.VCIError;
import com.vci.corba.portal.data.PLActionCls;
import com.vci.mw.ClientContextVariable;

public class PLActionClsSelectDialog extends JDialog {

	/**
	 * serialVersionUID
	 */
	private static final long serialVersionUID = -5667907302621398073L;
	/**
	 * 分类树
	 */
	private JTree clsTree;
	/**
	 * 选择的分类
	 */
	private PLActionCls currentCls;
	/**
	 * 确定还是取消
	 */
	private boolean ok = false;
	
	/**
	 * 构造器
	 * @param dialog
	 */
	public PLActionClsSelectDialog(JDialog dialog) {
		super(dialog, "选择分类", true);
		init();
		this.setLocationRelativeTo(dialog);
		this.setVisible(true);
	}
	
	/**
	 * 绘制
	 */
	private void init() {
		JPanel panel = new JPanel(new BorderLayout());
		//初始化树
		DefaultMutableTreeNode root = new DefaultMutableTreeNode("Action分类");
		DefaultTreeModel dtml = new DefaultTreeModel(root);
		clsTree = new JTree(dtml);
		clsTree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
		refreshClsTree(clsTree, clsTree.getPathForRow(0));
		//添加树
		JScrollPane scrollPane = new JScrollPane(clsTree);
		panel.add(scrollPane, BorderLayout.CENTER);
		
		JPanel btnPanel = new JPanel(new FlowLayout(FlowLayout.CENTER));
		//创建分类按钮
		JButton createBtn = new JButton("确定");
		createBtn.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				okBtnAction();
			}
		});
		//修改分类按钮
		JButton editBtn = new JButton("取消");
		editBtn.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				cancelBtnAction();
			}
		});
		btnPanel.add(createBtn);
		btnPanel.add(editBtn);
		
		this.setLayout(new BorderLayout());
		this.add(panel, BorderLayout.CENTER);
		this.add(btnPanel, BorderLayout.SOUTH);
		this.setSize(600, 400);
	}
	
	/**
	 * 确定事件
	 */
	private void okBtnAction() {
		TreePath tp = clsTree.getSelectionPath();
		DefaultMutableTreeNode node = (DefaultMutableTreeNode) tp.getLastPathComponent();
		Object userObject = node.getUserObject();
		if(userObject instanceof String) {
			JOptionPane.showMessageDialog(
					this, "不能选择根节点！", "系统提示", JOptionPane.INFORMATION_MESSAGE);
			return;
		} else {
			ClientPLActionCls pac = (ClientPLActionCls) userObject;
			this.currentCls = pac.getPac();
		}
		this.ok = true;
		this.dispose();
	}
	
	/**
	 * 取消
	 */
	private void cancelBtnAction() {
		this.currentCls = null;
		this.ok = false;
		this.dispose();
	}
	
	
	private void refreshClsTree(JTree clsTree, TreePath tp) {
		try {
			//分类较少，直接查询所有分类
			PLActionCls[] clses = UITools.getService().getPLActionClsArray();
			
			DefaultTreeModel dtml = (DefaultTreeModel) clsTree.getModel();
			DefaultMutableTreeNode node = (DefaultMutableTreeNode) 
					tp.getLastPathComponent();
			addClsTreeNode(dtml, node, clses);
		} catch (VCIError e1) {
			e1.printStackTrace();
			JOptionPane.showMessageDialog(ClientContextVariable.getFrame(), 
					"刷新分类树异常：" + e1.getMessage(), "系统异常", JOptionPane.ERROR_MESSAGE);
		}
	}
	
	/**
	 * 添加分类树节点
	 * @param dtml 树模型
	 * @param node 节点
	 * @param clses 分类 
	 */
	private void addClsTreeNode(DefaultTreeModel dtml, 
			DefaultMutableTreeNode node, PLActionCls[] clses) {
		node.removeAllChildren();
		String pid = "";
		Object userObject = node.getUserObject();
		if(!(userObject instanceof String)) {
			PLActionCls pac = ((ClientPLActionCls) userObject).getPac();
			pid = pac.id;
		}
		//添加子节点
		for(PLActionCls plac : clses) {
			if(plac.pid.equals(pid)) {
				DefaultMutableTreeNode child = new DefaultMutableTreeNode(
						new ClientPLActionCls(plac));
				dtml.insertNodeInto(child, node, node.getChildCount());
				addClsTreeNode(dtml, child, clses);
			}
		}
		if(pid.equals("")) {
			PLActionCls plac = new PLActionCls("", "未分类", "", "", "", 0, (short)0);
			DefaultMutableTreeNode child = new DefaultMutableTreeNode(
					new ClientPLActionCls(plac));
			dtml.insertNodeInto(child, node, node.getChildCount());
		}
		dtml.reload(node);
	}

	public PLActionCls getCurrentCls() {
		return currentCls;
	}

	public boolean isOk() {
		return ok;
	}
}