harddiskmanagershow.java

这是一份标准的课程设计文档

package desktop;
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import javax.swing.UIManager;
import java.lang.*;
import java.io.*;
import Global.*;
import myException.*;
//import OS.*;
import Manager.*;
import javax.swing.tree.*;

public class HardDiskManagerShow extends JFrame implements ActionListener
{
	private JButton		add;
	private JButton		sub;
	private JButton		show;
	
	private	JTree		tree;
	private DefaultMutableTreeNode root;
  private DefaultTreeModel treeModel;
        
  private Manager.HardDiskManager	HDM;
  private Manager.MemoryManager MM;
	private JPanel		JP_contentPane;
	private DetailTables	table;
	private JScrollPane	JS_table;
	private JScrollPane	JS_tree;
	private static int lastIndex;
	public HardDiskManagerShow()
	{
		Global.init(1000,10,3,10);
		this.jbInit();
	}
	public static void main(String args[])
        {
			try {
			LookAndFeel alloy = new com.incors.plaf.alloy.AlloyLookAndFeel();
			UIManager.setLookAndFeel(alloy);
			Font			font				=new Font("宋体",Font.PLAIN,12);
			String names[]={"Label","CheckBox","PopupMenu","TextPane",
                      "MenuItem","CheckBoxMenuItem","JRadioButtonMenuItem",
                      "ComboBox","Button","Tree","ScrollPane","TabbedPane",
                      "EditorPane","TitledBorder","Menu","TextArea","OptionPane",
                      "MenuBar","ToolBar","ToggleButton","ToolTip","ProgressBar",
                      "TableHeader","Panel","List","ColorChooser","PasswordField",
                      "TextField","Table","Label","Viewport","RadioButtonMenuItem",
                      "RadioButton"};
			for(int i=0;i<names.length;i++)UIManager.put(names[i]+".font",font);
			UIManager.put("Label.foreground",Color.black);
			UIManager.put("Border.foreground",Color.black);
			UIManager.put("TitledBorder.titleColor",Color.black);
			new HardDiskManagerShow();
			}catch(Exception e){
				e.printStackTrace();
			}
        }
	private void jbInit()
	{
		add				=	new JButton("add");
		sub				=	new JButton("sub");
		show				=	new JButton("show");
		JP_contentPane			=	new JPanel(null);
		String	Columns[]	=	new String[4];
		Columns[0]	=	"ID";
		Columns[1]	=	"名称";
		Columns[2]	=	"链表序号";
		Columns[3]	=	"文件大小";
		table				=	new DetailTables(Columns);
		JS_table			=	new JScrollPane(table);
		
		HDM				=	new Manager.HardDiskManager();
		MM				=	new MemoryManager();
		tree = null;
		treeModel = null;
		root=new DefaultMutableTreeNode("虚拟硬盘");
		tree=new JTree(root);
		treeModel=(DefaultTreeModel)tree.getModel();
		JS_tree				=	new JScrollPane(tree);
			
		//添加事件
		add.addActionListener(this);
		sub.addActionListener(this);
		show.addActionListener(this);
		//添加组件
		JP_contentPane.add(add);
		JP_contentPane.add(sub);
		JP_contentPane.add(show);
		//JS_tree.add(tree);
		JP_contentPane.add(JS_tree);
		JP_contentPane.add(JS_table);

		//组件定位
		add.setBounds(310,100,100,30);
		sub.setBounds(310,150,100,30);
		show.setBounds(310,190,100,30);
		JS_table.setBounds(0,0,300,400);
		JS_tree.setBounds(420,0,300,400);
		
		
		Container Desktop_frame=getContentPane();
		Desktop_frame.add(JP_contentPane);
		this.setSize(800,450);
		this.setVisible(true);
		//关闭按钮
		addWindowListener(new WindowAdapter()
			{
				public void windowClosing(WindowEvent e)
				{
					System.exit(0);
				}
			});
	}
	public void actionPerformed(ActionEvent e)
	{
		if(e.getSource()	==	add)
		{
			this.addFile("root\\job.txt");
		}//end if
		else if (e.getSource()	==	sub)
		{
			//HardDiskManager	HDM=new HardDiskManager();
			TreePath treepath=tree.getSelectionPath();
			if (treepath!=null)
			{
		  		//下面两行取得选取节点的父节点.
		  		DefaultMutableTreeNode selectionNode=(DefaultMutableTreeNode)treepath.getLastPathComponent();
		  		TreeNode parent=(TreeNode)selectionNode.getParent();
		  		//TreeNode children=(TreeNode)selectionNode.getFirstChild();
		  		if (parent!=null&&(!selectionNode.isLeaf()))	
		  		{
			 		//由DefaultTreeModel的removeNodeFromParent()方法删除节点，包含它的子节点。
					treeModel.removeNodeFromParent(selectionNode);
					int id = Integer.parseInt(selectionNode.toString());
					try
					{
						HDM.RemoveFile(id);
					}
					catch(myException e1){System.out.println(e1);}
					System.out.println(selectionNode.toString());
					table.RemoveAll();
					String ss[]	=	new String[4];
	        			for(int i=0;i<Global.HDTABLE.last();i++)
	        			{
	        				ss[0]		=	""+HDM.getID(i);
	        				ss[1]		=	HDM.getFileName(i);
	        				ss[2]		=	""+HDM.getIndex(i);
	        				ss[3]		=	""+HDM.Size(i);
	        				table.addRow(ss);
	        			}//end for
				}//end if
	 		}//end if
		}//end else if
		else if(e.getSource()	==	show)
		{
			MemoryShow memoryshow = new MemoryShow();
			memoryshow.setSize(500,450);
			memoryshow.setVisible(true);	
		}
	}//end actionPerformed
	public void addFile(String path)
	{
		try
		{
			String ss[]	=	new String[4];
			HDM.GetFile(path);
			int index = HDM.getIndex();
			int id = HDM.getID(index);
			//String name = HDM.getFileName(index);
			DefaultMutableTreeNode pnode = new DefaultMutableTreeNode(""+id);
        		treeModel.insertNodeInto(pnode, root, root.getChildCount());
			for(int i=0;i<HDM.Size(0);i++)
			{
				DefaultMutableTreeNode leafnode = new DefaultMutableTreeNode(HDM.Get(0,i));
        			treeModel.insertNodeInto(leafnode, pnode, pnode.getChildCount());
        		}
        		table.RemoveAll();
        		for(int i=0;i<Global.HDTABLE.last();i++)
        		{
        			ss[0]		=	""+HDM.getID(i);
        			ss[1]		=	HDM.getFileName(i);
        			ss[2]		=	""+HDM.getIndex(i);
        			ss[3]		=	""+HDM.Size(i);
        			table.addRow(ss);
        		}
        		try
        		{
	        		MM.newTable(id);
	        		int pcb[]	=	new int[9];
	        		pcb[0]	=	id;
	        		pcb[1]	=	0;
	        		pcb[2]	=	0;
	        		pcb[3]	=	0;
	        		pcb[4]	=	0;
	        		pcb[5]	=	0;
	        		pcb[6]	=	0;
	        		pcb[7]	=	0;
	        		pcb[8]	=	0;
	        		Global.PCBLIST.addFirst(pcb);
	        	}
	        	catch(myException e1){System.out.println(e1);}	
		}
		catch(IOException e1){System.out.println(e1);}
		catch(myException e1){System.out.println(e1);}	
	}
};