wordcheck.java

检查单词拼写的小程序

package com.edit;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.Vector;

import javax.swing.JColorChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JPopupMenu;
import javax.swing.JRadioButtonMenuItem;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.event.CaretEvent;
import javax.swing.event.CaretListener;
import javax.swing.text.BadLocationException;

class wordchecking extends JFrame implements ActionListener, KeyListener, MouseListener, MouseMotionListener,
		CaretListener
{

	private JMenuBar bar;
	private JMenu fileMenu, helpMenu, fontsetMenu;
	private JMenuItem saveItem, exitItem, aboutItem, colorItem;
	private JPopupMenu fixwordJPop;
	private JPanel editPanel, labelPanel;
	private JRadioButtonMenuItem popItems[];
	private JTextArea editArea;
	private JLabel showLabel, showallLabel;

	private int countb = 0, countf = 0;
	private Vector foundwords = new Vector();
	private Vector dict = new Vector();
	private int locate[] = new int[26];
	private int char_locate[] = new int[2];
	private int ready_count = 0, error_count = 0;// ready_count记录侯选词个数，error_count记录错误词个数
	private Color c = new Color(0, 0, 0); // 字体颜色
	private String nochar = " ,./;'[]\\`1234567890-=<>?:\"{}|~!@#$%^&*()_\n+\"";
	private boolean found = false;
	private boolean is_error = true;// 当前光标所选字母是否有错

	private checkThread thread1;

	wordchecking(String s)
	{

		// *********** wordchecking的构造方法 ******************
		super(s);
		fileMenu = new JMenu("文件(F)");
		fileMenu.setMnemonic('F');
		fontsetMenu = new JMenu("字体设定(T)");
		fontsetMenu.setMnemonic('T');
		helpMenu = new JMenu("帮助(H)");
		helpMenu.setMnemonic('H');

		saveItem = new JMenuItem("保存 Alt+S");
		saveItem.setMnemonic('S');
		fileMenu.add(saveItem);
		exitItem = new JMenuItem("退出 Alt+X");
		exitItem.setMnemonic('X');
		fileMenu.add(exitItem);

		aboutItem = new JMenuItem("关于");
		helpMenu.add(aboutItem);

		colorItem = new JMenuItem("文字颜色 Alt+C");
		colorItem.setMnemonic('C');
		fontsetMenu.addSeparator();
		fontsetMenu.add(colorItem);

		bar = new JMenuBar();
		setJMenuBar(bar);
		bar.add(fileMenu);
		bar.add(fontsetMenu);
		bar.add(helpMenu);

		editPanel = new JPanel();

		editArea = new JTextArea(10, 40);
		editArea.setLineWrap(true);
		editPanel.add(editArea);
		editPanel.add(new JScrollPane(editArea));

		labelPanel = new JPanel();
		showLabel = new JLabel();
		showallLabel = new JLabel();
		showallLabel.setText("");
		labelPanel.add(showLabel, BorderLayout.WEST);
		labelPanel.add(showallLabel, BorderLayout.EAST);

		Container con = getContentPane();
		con.setLayout(new BorderLayout());
		con.add(editPanel, BorderLayout.CENTER);
		con.add(labelPanel, BorderLayout.SOUTH);

		setSize(470, 280);
		setVisible(true);
		setResizable(false);

		// 各组事件监听
		exitItem.addActionListener(this);
		colorItem.addActionListener(this);
		aboutItem.addActionListener(this);
		saveItem.addActionListener(this);

		editArea.addKeyListener(this);
		editArea.addMouseListener(this);
		editArea.addMouseMotionListener(this);
		editArea.addCaretListener(this);

		try
		{// ******* 将字典库载入到 dict 容器中 ******************
			File read = new File("def.dict");
			BufferedReader br = new BufferedReader(new FileReader(read));
			String temp = null;
			temp = br.readLine();
			int num = 0;
			for (int i = 0; i < 26; i++)
			{// locat中读入字库中的定位信息
				for (int j = 0; j < temp.length(); j++)
				{// 转为数字
					num += Math.pow(10, temp.length() - j - 1) * (int) (temp.charAt(j) - '0');
				}
				locate[i] = num;
				num = 0;
				temp = br.readLine();// temp继续指向下一行
			}
			while (temp != null)
			{// dict中载入字库
				dict.addElement(temp);
				temp = br.readLine();// temp继续指向下一行
			}// end while
			br.close();
		}
		catch (FileNotFoundException e)
		{ // 文件未找到
			JOptionPane.showMessageDialog(null, "\n              无法找到字典文件def.dict" + "\n请在WordCheck.java的同目录下放入该文件",
					"初始化失败", 1);
		}
		catch (IOException e)
		{
			JOptionPane.showMessageDialog(null, "\n无法打开字典文件def.dict", "IO错误", 1);
		}
	}// ******* wordchecking 构造方法结束 *******************************

	// //////////////////////////////////////////////////////////////////
	// **************** 菜单监听 ****************************************
	private class ItemHandler implements ActionListener
	{
		public void actionPerformed(ActionEvent event)
		{

			for (int i = 0; i < popItems.length; i++)
			{
				if (event.getSource() == popItems[i])
				{
					String old = new String(editArea.getText());
					int pos = editArea.getCaretPosition();
					int start = pos + 1;
					int li = start - 1, ri = start - 1;

					while (nochar.indexOf(editArea.getText().charAt(li - 1)) == -1)
					{
						li--;
						if (li == 0)
						{
							if ((nochar.indexOf(editArea.getText().charAt(li)) == -1))
							{
								li++;
								break;
							}
							else break;
						}
					}// end while li
					while (nochar.indexOf(editArea.getText().charAt(ri)) == -1)
					{
						ri++;
						if (ri == editArea.getText().length())
						{
							if ((nochar.indexOf(editArea.getText().charAt(ri - 1)) == -1))
							{
								ri--;
								break;
							}
							else break;
						}
					}// end while ri
					editArea.setText(old.substring(0, li) + popItems[i].getText() + old.substring(ri, old.length()));
				}// end if
			}// end for
		}// end actionPerformed
	}

	public void actionPerformed(ActionEvent e)
	{

		if (e.getSource() == exitItem)
		{// 退出
			System.exit(0);
		}
		if (e.getSource() == colorItem)
		{// 调出JAVA调色版
			Color newColor = JColorChooser.showDialog(this, "调色板", c);
			c = newColor;
		}
		if (e.getSource() == aboutItem)
		{
			JOptionPane.showMessageDialog(null, "   ~有单词纠错功能的记事本~" + "\nCopyRight: 20041190020 刘智聪"
					+ "\n              版本号Beta v0.1", "关于本程序", 1);
		}
		if (e.getSource() == saveItem)
		{

		}
	}// /**************** 菜单监听结束 ****************************************

	// ///////////////////////////////////////////////////////////////////////
	// **************** 键盘事件监听 ******************************************
	public void keyPressed(KeyEvent e)
	{

	}// end keyPressed

	public void keyReleased(KeyEvent e)
	{

		if ((e.getKeyChar() <= 'z' && e.getKeyChar() >= 'a') || (e.getKeyChar() <= 'Z' && e.getKeyChar() >= 'A'))
		{
			showallLabel.setText("");
			showLabel.setText("正在输入字母");
		}
		else if (nochar.indexOf(e.getKeyChar()) != -1)
		{
			int temp_count = editArea.getText().length() - 1;
			int temp_count2 = temp_count;
			while (nochar.indexOf(editArea.getText().charAt(temp_count - 1)) == -1)
			{
				temp_count--;
				if (temp_count == 0)
					break;
			}// end while
			if (temp_count != temp_count2)
			{
				temp_count++;
				countb = temp_count - 1;
				countf = temp_count2 - countb;
				try
				{
					if (Check(editArea.getText(countb, countf)) == 1)
					{
						// 如果词库中有匹配的词
						showallLabel.setText("");
						showLabel.setText("已经在字库中找到:" + editArea.getText(countb, countf));
					}// end if
					else
					{
						// found = false;
						// foundwords.clear();//初始化Vector
						// showallLabel.setText("");
						// showLabel.setText( "你想输入的是右边这些词吗");
						// ready_count = 0 ;
						thread1 = new checkThread(countb, countf);
						thread1.start();
						// checking( countb,countf );//************** 调用checking 查找备选词*****************
						// if ( ready_count>6 ){
						// showallLabel.setText("");
						// showLabel.setText("~单词错误,备选词过多，选择该词后点右键，获得更多信息~");
						// }
						// if ( !found ) {
						// showLabel.setText("词库中无法找到与之类似的词,要添加到词库请右键选择该词");
						// }
					}// end else
				}// end try
				catch (BadLocationException ed)
				{
					System.out.println(ed);
				}// end catch
			}// end if ( temp_count != temp_count2 )
		}// end else if ( nochar.indexOf( e.getKeyChar() ) != -1 )
	}// end keyReleased

	public void keyTyped(KeyEvent e)
	{

	}

	// **************** 键盘事件监听结束 **************************************
	// ////////////////////////////////////////////////////////////////////////
	// **************** 鼠标事件监听 ******************************************
	public void mouseClicked(MouseEvent e)
	{

		if (e.getButton() == 1)
		{// 如果点击左键
			try
			{
				int pos = editArea.getCaretPosition();
				int start = pos + 1;
				int li = start - 1, ri = start - 1;

				while (nochar.indexOf(editArea.getText().charAt(li - 1)) == -1)
				{
					li--;
					if (li == 0)
					{
						if ((nochar.indexOf(editArea.getText().charAt(li)) == -1))
						{
							li++;
							break;
						}
						else break;
					}
				}// end while li
				while (nochar.indexOf(editArea.getText().charAt(ri)) == -1)
				{
					ri++;
					if (ri == editArea.getText().length())
					{
						if ((nochar.indexOf(editArea.getText().charAt(ri - 1)) == -1))
						{
							ri--;
							break;
						}
						else break;
					}
				}// end while ri
				ri = ri - li;
				if (ri != 0)
				{
					try
					{
						is_error = true;
						if (Check(editArea.getText(li, ri)) == 1)
						{
							// 如果词库中有匹配的词
							showallLabel.setText("");
							showLabel.setText("已经在字库中找到:" + editArea.getText(li, ri));
							is_error = false;
						}// end if
						else
						{
							// foundwords.clear();
							// found = false;
							// ready_count = 0;
							// showallLabel.setText("");
							thread1 = new checkThread(li, ri);
							thread1.start();
							// checking( li,ri);//************** 调用checking 查找备选词*****************
							// if ( ready_count>6 ){
							// showallLabel.setText("");