swingtree3.java

丽婴房库存销售系统 描述：C/S构架

package src1;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;

import javax.swing.BoxLayout;
import javax.swing.ImageIcon;
import javax.swing.JScrollPane;
import javax.swing.JTree;
import javax.swing.event.TreeSelectionEvent;
import javax.swing.event.TreeSelectionListener;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeCellRenderer;
import javax.swing.tree.TreeSelectionModel;

public class SwingTree3 extends SwingTree implements TreeSelectionListener{

	DefaultMutableTreeNode 使用帮助;
	DefaultMutableTreeNode 帮助 ;
	public MainForm mainForm;
	public  DefaultTreeCellRenderer cellRenderer ;
	public SwingTree3(MainForm mainForm)
	{
		this();
		this.mainForm= mainForm;
	}
	public SwingTree3() {
		// TODO 自动生成构造函数存根
		
		   
	    使用帮助 = new DefaultMutableTreeNode("欢迎使用帮助");
		帮助 = new DefaultMutableTreeNode("使用帮助");
		
		使用帮助.add(帮助);
		 root = new JTree(使用帮助);
		 root.putClientProperty("JTree.lineStyle", "Horizontal");
			cellRenderer = (DefaultTreeCellRenderer)root.getCellRenderer();
			 cellRenderer.setLeafIcon(new ImageIcon("./src/icons/9.gif"));
			   cellRenderer.setOpenIcon(new ImageIcon("./src/icons/8.gif"));
			   cellRenderer.setClosedIcon(new ImageIcon("./src/icons/10.gif"));
			   cellRenderer.setFont(new Font("宋体",Font.PLAIN,12));
			   cellRenderer.setBackgroundNonSelectionColor(new Color(240,255,255));
			   cellRenderer.setBackgroundSelectionColor(Color.green);
			  // cellRenderer.setBorderSelectionColor(Color.green);
			   cellRenderer.setTextNonSelectionColor(Color.black);
			   cellRenderer.setTextSelectionColor(Color.red);
			root.setBackground(new Color(240,255,255));   
		this.setLayout (new BoxLayout (this, BoxLayout.X_AXIS));
	    this.setPreferredSize (new Dimension (200, 480));
		this.add (new JScrollPane (root));
		
		root.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
		root.addTreeSelectionListener(this);
	}

	public void valueChanged(TreeSelectionEvent e)
	{
		Music sound = new Music("amp1.wav");
		JTree tree = (JTree) e.getSource();
		DefaultMutableTreeNode selectedNode = (DefaultMutableTreeNode)tree.getLastSelectedPathComponent();
		
		if(selectedNode== 帮助)
		{
			
			MyPanelE.myUpdate(MyPanelE.帮助);
		}
		
	}
}