findlistmodel.java

来自「JAVA的高级应用以及网络编程」· Java 代码 · 共 60 行

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;
import java.util.Vector;
import java.net.*;
import java.io.*; 

//以下扩展DefaultListModel类建立列表
public class FindListModel extends DefaultListModel{
	//构造器
	public FindListModel(Vector nickname,Vector sex,Vector place){
		for(int i=0;i<nickname.size();++i){
			addElement(new Object[]{nickname.get(i),sex.get(i),place.get(i)});
		}
	}
	
	public  String getName(Object object){
		Object[] array=(Object[])object;
		return(String) array[0];
	}
	
	public String getSex(Object object){
		Object[] array=(Object[]) object;
		return (String) array[1];
	}
	
	public String getPlace(Object object){
		Object[] array=(Object[])object;
		return (String) array[2];
	}
}//DefaultListModel类 end


//以下是处理列表渲染
class FindListCellRenderer extends JLabel implements ListCellRenderer{
	private Border lineBorder=BorderFactory.createLineBorder(Color.red,2),
	emptyBorder =BorderFactory.createEmptyBorder(2,2,2,2);
	//构造器
	public FindListCellRenderer(){
		setOpaque(true);
	}
		
	public Component getListCellRendererComponent(JList list,Object value,int index,
                                                boolean isSelected,boolean cellHasFocus){
		FindListModel model=(FindListModel) list.getModel();
		setText(model.getName(value)+"  "+model.getSex(value)+"  "+model.getPlace(value));
		if(isSelected){
			setForeground(list.getSelectionForeground());
			setBackground(list.getSelectionBackground());
		}
		else {
			setForeground(list.getForeground());
			setBackground(list.getBackground());
		}
		if(cellHasFocus) setBorder(lineBorder);
		else setBorder(emptyBorder);
		return this;
	}
}//FindListCellRenderer end