fcbframe.java

位示图java,使用java开发的

package ncepu;
import java.awt.*;
import java.awt.event.*;
import java.util.Vector;

public class FCBFrame implements ActionListener{
	private static final int NO = 0;
	public Frame f;
	Disk disk;
	FileFcb filefcb;
	public Button setButton,displayButton;
	public TextField tname,tsize;
	public static Vector File=new Vector();
	public FCBFrame()
	{
		f=new Frame("磁盘分配");Panel p1;
		Label name,size;		
		f.setSize(200,200);
		f.setLocation(300,300);
		f.setBackground(Color.LIGHT_GRAY );
		p1=new Panel();
		name=new Label("Filename");
		size=new Label("Filesize   ");
		tname=new TextField(9);
		tname.setEditable(true);
		tsize=new TextField(9);
		tsize.setEditable(true);
		setButton=new Button("文件分配");
		setButton.addActionListener(this);
		displayButton=new Button("磁盘分配情况");
		displayButton.addActionListener(this);
		p1.add(name);
		p1.add(tname);
		p1.add(size);		
		p1.add(tsize);
		p1.add(setButton);
		p1.add(displayButton);
		f.add(p1);	
		//f.setVisible(true);
		f.addWindowListener(new WindowAdapter(){
			public void windowClosing(WindowEvent e)
			{
				f.setVisible(false);
				
			}
			
		});
				
	}
	/*public static void main(String args[]){
		FCBFrame file=new FCBFrame();
	}*/
	public void actionPerformed(ActionEvent e) {
		// TODO Auto-generated method stub
		if(e.getSource()==setButton)
		{
			//int disknum=0;
			
			int number=0;
			String Filename="";int NO=0;
			int disknumber=0;
			int i,j;
			if(tname.getText().compareTo("")==0||tsize.getText().compareTo("")==0){
			final Frame ff=new Frame("信息不全");
			ff.setSize(200,100);
			ff.setLocation(300,300);
			Button bb=new Button("信息不全,请查证");
			ff.add(bb);
			ff.addWindowListener(new WindowAdapter(){
				public void windowClosing(WindowEvent e){
					ff.setVisible(false);
				}
			});
			ff.setVisible(true);
				
			}
			else{
			Filename=tname.getText();tname.setText("");
			NO=Integer.parseInt(tsize.getText());tsize.setText("");
			}
			for(i=0;i<File.size();i++){
				filefcb=(FileFcb)(File.elementAt(i));
				if(filefcb.Filename.compareTo(Filename)==0){
					final Frame ff=new Frame("文件重复");
					ff.setSize(200,100);
					ff.setLocation(300,300);
					Button bb=new Button("该文件已存在,请查证");
					ff.add(bb);
					ff.addWindowListener(new WindowAdapter(){
						public void windowClosing(WindowEvent e){
							ff.setVisible(false);
						}
					});
					ff.setVisible(true);
					break;
				}
			}
			if(i==File.size())
			{
			filefcb=new FileFcb(Filename);
			File.addElement(filefcb);
			//System.out.println("FileNo="+NO);
			for(i=0;i<disk.LONG;i++)
				for(j=0;j<disk.WIDE;j++)
					if(disk.ints[i][j]==0)
					  disknumber++;
			for(i=0;i<disk.LONG;i++)
				for(j=0;j<disk.WIDE;j++)
				{
					if(number<NO&&disknumber>0&&disk.ints[i][j]==0)
					{						
						disk.ints[i][j]=1;
						disk.Diskbutt[i][j].setLabel("1");
						disk.Diskbutt[i][j].setBackground(Color.red);
						//System.out.println("number="+number);
						//filefcb.nums[number++]=i*disk.WIDE+j;
						filefcb.nums.addElement(new Integer(i*disk.WIDE+j+1));
						number++;
						disknumber--;
//						System.out.println("disknumber="+disknumber);
						
					}
					 if(number<NO&&disknumber==0){
						Frame ff=new Frame("磁盘空间不够");
						ff.setSize(200,200);
						ff.setLocation(300,300);
						Button bb=new Button("磁盘空间不够");
						ff.add(bb);
						ff.addWindowListener(new WindowAdapter(){
							public void windowClosing(WindowEvent e){
								System.exit(0);
							}
						});
						ff.setVisible(true);
					}
				}
			}
			
			
			}
		if(e.getSource()==displayButton){
			//disk.f.setVisible(false);
			//disk.f.setVisible(true);
			Display dis=new Display(this);
			if(this.File.size()!=0)
			dis.f.setVisible(true);
		}
		
		
	}

}