Composite/src/empTree.java · 马力/JavaDesigner

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JavaDesigner

Composite

src

empTree.java

empTree.java 3.75 KB

import java.awt.*;
import java.awt.event.*;
import java.util.*;

//swing classes
import javax.swing.text.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.border.*;
import javax.swing.tree.*;

public class empTree extends JxFrame
 implements TreeSelectionListener
{
 Employee boss, marketVP, prodVP;
 Employee salesMgr, advMgr;
 Employee prodMgr, shipMgr;

JScrollPane sp;
 JPanel treePanel;
 JTree tree;
 DefaultMutableTreeNode troot;
 JLabel cost;
 
 public empTree()
 {
 super("Employee tree");
 makeEmployees();
 setGUI();
 }
 //--------------------------------------
 private void setGUI()
 {
 treePanel = new JPanel();
 getContentPane().add(treePanel);
 treePanel.setLayout(new BorderLayout());
 
 sp = new JScrollPane();
 treePanel.add("Center", sp);
 treePanel.add("South", cost = new JLabel(" "));
 
 treePanel.setBorder(new BevelBorder(BevelBorder.RAISED));
 troot = new DefaultMutableTreeNode(boss.getName());
 tree= new JTree(troot);
 tree.setBackground(Color.lightGray);
 loadTree(boss);
 /* Put the Tree in a scroller. */
 
 sp.getViewport().add(tree);
 setSize(new Dimension(200, 300));
 setVisible(true);

}
 //------------------------------------
 public void loadTree(Employee topDog)
 {
 DefaultMutableTreeNode troot;
 troot = new DefaultMutableTreeNode(topDog.getName());
 treePanel.remove(tree);
 tree= new JTree(troot);
 tree.addTreeSelectionListener(this);
 sp.getViewport().add(tree);
 
 addNodes(troot, topDog);
 tree.expandRow(0);
 repaint();
 }
 //--------------------------------------
 private void addNodes(DefaultMutableTreeNode pnode, Employee emp)
 {
 DefaultMutableTreeNode node;

Enumeration e = emp.elements();
 while(e.hasMoreElements())
 {
 Employee newEmp = (Employee)e.nextElement();
 node = new DefaultMutableTreeNode(newEmp.getName());
 pnode.add(node);
 addNodes(node, newEmp);
 }
 }
 //--------------------------------------
 private void makeEmployees()
 {
 boss = new Employee("CEO", 200000);
 boss.add(marketVP = new Employee("Marketing VP", 100000));
 boss.add(prodVP = new Employee("Production VP", 100000));

marketVP.add(salesMgr = new Employee("Sales Mgr", 50000));
 marketVP.add(advMgr = new Employee("Advt Mgr", 50000));

for (int i=0; i<5; i++) 
 salesMgr .add(new Employee("Sales "+new Integer(i).toString(), 30000.0F +(float)(Math.random()-0.5)*10000));
 advMgr.add(new Employee("Secy", 20000));

prodVP.add(prodMgr = new Employee("Prod Mgr", 40000));
 prodVP.add(shipMgr = new Employee("Ship Mgr", 35000));
 for (int i = 0; i < 4; i++)
 prodMgr.add( new Employee("Manuf "+new Integer(i).toString(), 25000.0F +(float)(Math.random()-0.5)*5000));
 for (int i = 0; i < 3; i++)
 shipMgr.add( new Employee("ShipClrk "+new Integer(i).toString(), 20000.0F +(float)(Math.random()-0.5)*5000));
 
 } 
 //--------------------------------------
 public void valueChanged(TreeSelectionEvent evt)
 {
 TreePath path = evt.getPath();
 String selectedTerm = path.getLastPathComponent().toString();

Employee emp = boss.getChild(selectedTerm);
 if(emp != null)
 cost.setText(new Float(emp.getSalaries()).toString());
 }
 //--------------------------------------
 static public void main(String argv[])
 {
 new empTree();
 }
}

Copy Edit Raw Blame History

serv authored 2014年04月08日 11:42 +08:00 . init

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120

import java.awt.*;
import java.awt.event.*;
import java.util.*;

//swing classes
import javax.swing.text.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.border.*;
import javax.swing.tree.*;


public class empTree extends JxFrame
 implements TreeSelectionListener
{
 Employee boss, marketVP, prodVP;
 Employee salesMgr, advMgr;
 Employee prodMgr, shipMgr;

 JScrollPane sp;
 JPanel treePanel;
 JTree tree;
 DefaultMutableTreeNode troot;
 JLabel cost;
 
 public empTree()
 {
 super("Employee tree");
 makeEmployees();
 setGUI();
 }
 //--------------------------------------
 private void setGUI()
 {
 treePanel = new JPanel();
 getContentPane().add(treePanel);
 treePanel.setLayout(new BorderLayout());
 
 sp = new JScrollPane();
 treePanel.add("Center", sp);
 treePanel.add("South", cost = new JLabel(" "));
 
 treePanel.setBorder(new BevelBorder(BevelBorder.RAISED));
 troot = new DefaultMutableTreeNode(boss.getName());
 tree= new JTree(troot);
 tree.setBackground(Color.lightGray);
 loadTree(boss);
 /* Put the Tree in a scroller. */
 
 sp.getViewport().add(tree);
 setSize(new Dimension(200, 300));
 setVisible(true);

 }
 //------------------------------------
 public void loadTree(Employee topDog)
 {
 DefaultMutableTreeNode troot;
 troot = new DefaultMutableTreeNode(topDog.getName());
 treePanel.remove(tree);
 tree= new JTree(troot);
 tree.addTreeSelectionListener(this);
 sp.getViewport().add(tree);
 
 addNodes(troot, topDog);
 tree.expandRow(0);
 repaint();
 }
 //--------------------------------------
 private void addNodes(DefaultMutableTreeNode pnode, Employee emp)
 {
 DefaultMutableTreeNode node;

 Enumeration e = emp.elements();
 while(e.hasMoreElements())
 {
 Employee newEmp = (Employee)e.nextElement();
 node = new DefaultMutableTreeNode(newEmp.getName());
 pnode.add(node);
 addNodes(node, newEmp);
 }
 }
 //--------------------------------------
 private void makeEmployees()
 {
 boss = new Employee("CEO", 200000);
 boss.add(marketVP = new Employee("Marketing VP", 100000));
 boss.add(prodVP = new Employee("Production VP", 100000));

 marketVP.add(salesMgr = new Employee("Sales Mgr", 50000));
 marketVP.add(advMgr = new Employee("Advt Mgr", 50000));

 for (int i=0; i<5; i++) 
 salesMgr .add(new Employee("Sales "+new Integer(i).toString(), 30000.0F +(float)(Math.random()-0.5)*10000));
 advMgr.add(new Employee("Secy", 20000));

 prodVP.add(prodMgr = new Employee("Prod Mgr", 40000));
 prodVP.add(shipMgr = new Employee("Ship Mgr", 35000));
 for (int i = 0; i < 4; i++)
 prodMgr.add( new Employee("Manuf "+new Integer(i).toString(), 25000.0F +(float)(Math.random()-0.5)*5000));
 for (int i = 0; i < 3; i++)
 shipMgr.add( new Employee("ShipClrk "+new Integer(i).toString(), 20000.0F +(float)(Math.random()-0.5)*5000));
 
 } 
 //--------------------------------------
 public void valueChanged(TreeSelectionEvent evt)
 {
 TreePath path = evt.getPath();
 String selectedTerm = path.getLastPathComponent().toString();

 Employee emp = boss.getChild(selectedTerm);
 if(emp != null)
 cost.setText(new Float(emp.getSalaries()).toString());
 }
 //--------------------------------------
 static public void main(String argv[])
 {
 new empTree();
 }
}