package com.vci.client.omd.btm.ui;

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.MouseEvent;
import java.io.File;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;

import javax.swing.ButtonGroup;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.JScrollPane;

import com.vci.client.LogonApplication;
import com.vci.common.resource.CommonProperties;
import com.vci.corba.common.VCIError;

public class ImageSelectDialog extends JDialog{

	/**
	 * 
	 */
	private static final long serialVersionUID = -2527985037546524122L;
	private static ImageSelectDialog imageSelectDialog = null;
	private JPanel southPanel, imagePanel;
	private JButton btnOK, btnCancel;
	private JScrollPane scrollPanel;
	private JRadioButton rdImage[];
	private String imageName = "";
	private ButtonGroup rdGroup = new ButtonGroup();

	private ImageSelectDialog(){
		initUI();
		initImageIcon();
		addListener();
	}
	
	public static ImageSelectDialog getInstance(){
		if(imageSelectDialog == null){
			imageSelectDialog = new ImageSelectDialog();
		}
		
		return imageSelectDialog;
	}
	
	private void initUI(){
		this.setTitle("图标选择框");
		
		Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
		this.setSize(screenSize.width/2, screenSize.height/2);
		this.setModal(true);
		this.setLocationRelativeTo(null);
		this.setResizable(false);
		
		this.setLayout(new BorderLayout(5, 5));
		
		//图标
		scrollPanel = new JScrollPane();
		scrollPanel.setAutoscrolls(false);
		//确定, 取消按钮
		southPanel = new JPanel();
		this.add(scrollPanel, BorderLayout.CENTER);
		this.add(southPanel, BorderLayout.SOUTH);
		
		imagePanel = new JPanel();
		scrollPanel.setViewportView(imagePanel);
		btnOK = new JButton("确定");
		btnCancel = new JButton("取消");
		southPanel.add(btnOK);
		southPanel.add(btnCancel);
	}
	
	private void initImageIcon(){
		boolean isTomcatPath = isTomcatPath();
		String[] iPaths = null;
		if(!isTomcatPath){
			iPaths = getLocalFilePath();
		}else{
			try {
				iPaths = BtmClient.getService().getImagePaths();
			} catch (VCIError e) {
				e.printStackTrace();
			}
		}
		rdImage = new JRadioButton[iPaths.length];
		imagePanel.setLayout(new GridBagLayout());
		GridBagConstraints g = new GridBagConstraints();
		for(int i = 0; i < iPaths.length; i++){
			ImageIcon imageIcon = null;
			if(!isTomcatPath){
				imageIcon = new ImageIcon(iPaths[i]);
			}else{
				URL url = null;
				try {
					url = new URL(getTomcatPath() + iPaths[i]);
				} catch (MalformedURLException e) {
					e.printStackTrace();
				}
				if(url == null){
					continue;
				}
				imageIcon = new ImageIcon(url);
			}
			rdImage[i] = new JRadioButton();
			rdImage[i].setName(iPaths[i]);
			rdGroup.add(rdImage[i]);
			JLabel iLabel = new JLabel(imageIcon);
//			iLabel.setPreferredSize(new Dimension(50, 50));
			int rem = i%5;
			int mer = i/5;
			g.gridx = 2 * rem;
			g.gridy = mer;
			g.anchor = GridBagConstraints.EAST;
			g.gridwidth = 1;
			imagePanel.add(rdImage[i], g);
			g.gridx = 2 * rem + 1;
			if(rem == 4){
				g.gridwidth = 0;
			}
			imagePanel.add(iLabel, g);
			
			//--------------------
			final String name = iPaths[i];
			rdImage[i].addItemListener(new ItemListener() {
				
				@Override
				public void itemStateChanged(ItemEvent e) {
					// TODO Auto-generated method stub
					imageName = name;
				}
			});
			//--------------------
		}
	}
	
	private void rdImageMouseClicked(MouseEvent e){
		JRadioButton selectRd = (JRadioButton) e.getComponent();
		if(selectRd.getName().equals(imageName)){
			return;
		}
		imageName = selectRd.getName();
	}
	
	private void addListener(){
		btnOK.addActionListener(new ActionListener() {
			
			@Override
			public void actionPerformed(ActionEvent e) {
				if(imageName.equals("")){
					JOptionPane.showMessageDialog(null, "请选择业务类型图标", "选择图标", JOptionPane.WARNING_MESSAGE);
					return;
				}
				dispose();
			}
		});
		
		btnCancel.addActionListener(new ActionListener() {
			
			@Override
			public void actionPerformed(ActionEvent e) {
				dispose();
			}
		});
	}
	
	
	public String getImageURL(){
		if(!isTomcatPath()){
			return  imageName.substring(imageName.lastIndexOf("\\")+1);
		}else{
			return getTomcatPath() + imageName;
		}
	}
	
	/**
	 * 获取Tomcat发布的地址
	 * @return
	 */
	public String getTomcatPath(){
		return LogonApplication.urlBasePath;
	}
	
	/**
	 * 判断是否是发布路径
	 * @return
	 */
	public boolean isTomcatPath(){
		String tomcatPath = getTomcatPath();
		if(tomcatPath == null || tomcatPath.equals("") || tomcatPath.equals(".")){
			return false;
		}else{
			return true;
		}
	}
	
	/**
	 * 获取本地图片路径
	 * @return
	 */
	private String[] getLocalFilePath(){
		String imagePath = CommonProperties.getStringProperty("imagePath");
		File imageFolder = new File(imagePath);
		File[] files = imageFolder.listFiles();
		ArrayList<String> pathList = new ArrayList<String>();
		for(File file: files){
			if(file.isDirectory()){
				pathList.addAll(getFileChildren(file));
			}else{
				pathList.add(file.getPath());
			}
		}
		return pathList.toArray(new String[0]);
	}
	
	/**
	 * 获取文件夹下的所有子文件路径
	 * @param file
	 * @return
	 */
	public List<String> getFileChildren(File file){
		List<String> pathList = new ArrayList<String>();
		if(file.isDirectory()){
			File[] files = file.listFiles();
			for(File file_ : files){
				pathList.addAll(getFileChildren(file_));
			}
		}else{
			pathList.add(file.getPath());
		}
		return pathList;
	}
}