package huzhidong;

import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.sql.Date;

import javax.swing.*;

////////////主函數/////////
public class FileCut {
	public static void main(String args[]) {
		FileCutFrame fcf = new FileCutFrame();
		fcf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		fcf.pack();
		fcf.setVisible(true);
		fcf.setLocation(300, 300);
	}
}

////////文件分割器頂層容器類//
class FileCutFrame extends JFrame {
	public FileCutFrame() {
		setTitle("文件分割器");
		Container contentPane = getContentPane();
		FileCutPanel panel = new FileCutPanel();
		contentPane.add(panel);
	}
}

////////計算器界面類//////
class FileCutPanel extends JPanel {
	int number;//用于記錄輸入的數目

	JButton cut;//分割按鈕

	JButton union;//合并按鈕

	JButton ensure;//確認按鈕

	JButton cancel;//取消按鈕

	JButton lengthF;//大小按鈕

	JButton numberF;//數目按鈕

	JButton open;//瀏覽按鈕1

	JButton saveTo;//瀏覽按鈕2

	JButton addTFs;//添加按鈕

	JTextArea helpText;//左邊文本框

	JLabel label1;//原文件標簽

	JLabel label2;//分割方式標簽

	JLabel label3;//保存到標簽

	JTextField source;//原文件文本框

	JScrollPane helpTJs;//左邊文本框的頂層容器

	JTextField numIn;//數字輸入框

	JTextField saveAs;//保存地址輸入框

	JPanel jp1;

	JPanel jp2;

	JPanel jp3;

	JPanel jp4;

	JPanel jp5;

	JPanel jp6;

	JPanel jp7;
	JPanel jp8;

	static String flag1;//記錄操作形式

	static String flag2;//記錄分割形式

	int fileN = 0;//文件數組中文件個數

	File sourceFile;//原文件或文件夾

	JComboBox count;//單位選擇

	String[] strOF;//記錄要合并的文件名

	File[] unionFiles;//要合并的文件組

	final JProgressBar aJProgressBar; 
	

	
	/////構造方法/////
	public FileCutPanel() {
		

		ActionListener textAction2 = new TextAction2();
		ActionListener textAction1 = new TextAction1();
		ActionListener buttonAction1 = new ButtonAction1();
		setLayout(new BorderLayout());
		cut = new JButton("分割");
		cut.addActionListener(buttonAction1);
		union = new JButton("合并");
		union.addActionListener(buttonAction1);
		ensure = new JButton("確認");
		ensure.addActionListener(new QuerenButtonAction());
		cancel = new JButton("取消");
		cancel.addActionListener(buttonAction1);
		helpText = new JTextArea();
		helpText.setEditable(false);
		helpTJs = new JScrollPane(helpText);
		count = new JComboBox();
		count.insertItemAt("Mb", 0);
		count.insertItemAt("Kb", 1);
		count.insertItemAt("b", 2);
		count.setSelectedIndex(0);
		count.setEnabled(false);
		label1 = new JLabel("原文件");
		label2 = new JLabel("分割方式");
		label3 = new JLabel("保存到");
		source = new JTextField(11);
		source.addActionListener(textAction1);
		source.setEnabled(false);
		source.setToolTipText("輸入文件路徑后按回車可顯示文件信息");
		numIn = new JTextField(4);
		numIn.addActionListener(textAction2);
		numIn.setEnabled(false);
		jp1 = new JPanel();
		jp2 = new JPanel();
		jp3 = new JPanel();
		jp4 = new JPanel();
		jp5 = new JPanel();
		jp6 = new JPanel();
		jp7 = new JPanel();
		jp8 = new JPanel();
		jp6.setLayout(new BorderLayout());
		jp7.setLayout(new BorderLayout());
		lengthF = new JButton("大小");
		lengthF.addActionListener(buttonAction1);
		lengthF.setToolTipText("此為分割后文件大小");
		lengthF.setEnabled(false);
		numberF = new JButton("數目");
		numberF.addActionListener(buttonAction1);
		numberF.setToolTipText("此為分割后文件數目");
		numberF.setEnabled(false);
		saveAs = new JTextField(16);
		saveAs.setEnabled(false);
		addTFs = new JButton("添加");
		addTFs.setEnabled(false);
		addTFs.setToolTipText("將文件添加到要合并的文件組中");
		addTFs.addActionListener(new addTFsActionL());
		open = new JButton("瀏覽");
		open.addActionListener(new LiulanAction1Performed());
		saveTo = new JButton("瀏覽");
		saveTo.addActionListener(new LiulanAction2Performed());
		jp1.setLayout(new FlowLayout(FlowLayout.LEFT));
		jp1.add(cut);
		jp1.add(union);
		jp6.add(jp1, BorderLayout.NORTH);
		jp6.add(helpTJs);
		jp2.add(label1);
		jp2.add(source);
		jp2.add(open);
		jp2.add(addTFs);
		jp7.add(jp2, BorderLayout.NORTH);
		helpText.setText("\n歡迎使用文件分割器\n" + "作者： 胡志棟\n" + "請選擇您所要的操作\n\n"
				+ "選擇上面的按鈕");
		aJProgressBar = new JProgressBar();
		aJProgressBar.setMaximum(0);
		JPanel jp41 = new JPanel();
		JPanel jp42 = new JPanel();
		JPanel jp43 = new JPanel();
		jp41.add(label2);
		jp41.add(lengthF);
		jp41.add(numberF);
		jp41.add(numIn);
		jp41.add(count);
		jp42.add(label3);
		jp42.add(saveAs);
		jp42.add(saveTo);
		jp43.add(ensure);
		jp43.add(cancel);
		jp4.setLayout(new GridLayout(4, 1));
		jp4.add(jp41);
		jp4.add(jp42);
		jp4.add(jp43);
		jp4.add(aJProgressBar);
		jp7.add(jp4, BorderLayout.SOUTH);
		add(jp6, BorderLayout.WEST);
		add(jp7, BorderLayout.EAST);
		strOF = new String[20];
	}

	////////分割,合并,大小,數目,取消按鈕事件類
	class ButtonAction1 implements ActionListener {
		public void actionPerformed(ActionEvent e) {
			fileN = 0;
			source.setEnabled(true);
			saveAs.setEnabled(true);
			////當為分割時///
			if (e.getActionCommand() == "分割") {
				count.setEnabled(false);
				label2.setText("分割方式");
				flag1 = "分割";
				cut.setForeground(new Color(255, 0, 0));
				union.setForeground(new Color(0, 0, 0));
				lengthF.setEnabled(true);
				numberF.setEnabled(true);
				addTFs.setEnabled(false);
				label1.setText("原文件");
				//////////顯示幫助信息///
				helpText
						.setText("分割使用方法：\n原文件輸入要分割的文件,\n然后選擇分割方式,保\n存處輸入分割后的文件\n存放地址,點擊確認即可");
			}
			////當為合并時///
			if (e.getActionCommand() == "合并") {
				addTFs.setEnabled(true);
				count.setEnabled(false);
				numIn.setEnabled(false);
				flag1 = "合并";
				union.setForeground(new Color(255, 0, 0));
				cut.setForeground(new Color(0, 0, 0));
				label1.setText("原文件");
				label2.setText("                ");
				lengthF.setEnabled(false);
				numberF.setEnabled(false);
				//////顯示幫助信息////////
				helpText
						.setText("合并使用方法：\n原文件輸入要合并的文件\n或它們所在文件夾,保存\n處輸入的為合并后的文件,\n若該文件已經存在，則\n將該文件與原文件合并.");
			}
			///當為大小或數目按鈕時//
			if (e.getActionCommand() == "大小" || (e.getActionCommand() == "數目")) {
				String str = source.getText();
				str = str.replace("\\", "/");//將文件名中"\"換為"/"
				File aimFile = new File(str);
				if (aimFile.exists()) {/////當原文件存在時顯示其信息
					if (aimFile.isDirectory()) {//當為文件夾時
						helpText.setText("警告！！！\n該目標是一個文件夾\n文件夾名稱:\n"
								+ aimFile.getName() + "\n文件數目:"
								+ aimFile.listFiles().length + "\n"
								+ new Date(aimFile.lastModified()));
					}
					if (aimFile.isFile()) {//當為文件時
						helpText.setText("文件夾名稱:\n" + aimFile.getName()
								+ "\n大小:" + aimFile.length() + "byte\n"
								+ new Date(aimFile.lastModified()));
					}
				} else {
					helpText.setText("\n\n對不起，找不到原文件！\n");
				}
				numIn.setEnabled(true);
				if (e.getActionCommand() == "大小") {
					lengthF.setForeground(new Color(255, 0, 0));
					numberF.setForeground(new Color(0, 0, 0));
					count.setEnabled(true);
					flag2 = "lengthF";
				} else {