editer.java

基于java的文件管理系统 能实现包括文件的创建、删除、查找等功能

package fileSys.UI;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.TextArea;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.JFrame;
import javax.swing.JPanel;

import fileSys.service.FileService;
import fileSys.util.AFile;

public class Editer {

	private JFrame frame;
	private JPanel panel;
	private TextArea textArea;
	private FileService fileService;
	private AFile afile;
	
	
	public Editer(AFile afile, String com, String option,FileService fileService) {

		this.afile = afile;
		this.fileService = fileService;
		frame = new JFrame("editer");
		panel = (JPanel) frame.getContentPane();
		textArea = new TextArea();

		frame.setLocation(40, 60);
		frame.setTitle(afile.getPath());
		panel.setPreferredSize(new Dimension(600, 400));

		textArea.setText(afile.getFileContent());
		panel.add(textArea);
		
		if (com.equals("open")||com.equals("read"))
			open_process(option);
		else if(com.equals("write")){
			write_process();
		}
		
		frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
		frame.pack();
		frame.setResizable(false);
		frame.setVisible(true);
	}

	private void open_process(String option) {

		if (option.equals("-r")) {
			textArea.setEditable(false);
			textArea.setBackground(Color.WHITE);
		}

		else{
			textArea.setEditable(true);
			frame.addWindowListener(new WindowAdapter(){
				
				public void windowClosing(final WindowEvent event){
					
					fileService.saveFile(textArea.getText(), afile.getPath());
				}
			});
		}
			
	}
	
	private void write_process(){
		
		textArea.setEditable(true);
		frame.addWindowListener(new WindowAdapter(){
			
			public void windowClosing(final WindowEvent event){
				
				fileService.saveFile(textArea.getText(), afile.getPath());
			}
		});
	}
}