usedjlistdialog.java

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import javax.swing.JDialog;
import java.awt.GridBagLayout;
import java.awt.GridBagConstraints;
import javax.swing.JPanel;
import javax.swing.JLabel;
import javax.swing.JScrollPane;
import javax.swing.JList;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.ListModel;
import java.util.Vector;
class UsedJListDialog extends JDialog implements ActionListener{
	GridBagLayout gridBagLayout1=new GridBagLayout();
	GridBagConstraints gridBagConstraints1=new GridBagConstraints();
	MakeConstraints makeConstraints=new MakeConstraints();
	JLabel jLabel1=new JLabel("所有用户:");
	JLabel jLabel2=new JLabel("解雇用户:");
	JListPane jListPane1=new JListPane();
	ButtonPane buttonPane1=new ButtonPane();
	JListPane jListPane2=new JListPane();
	UsedJListDialog(){
		setTitle("列表框示例");
		setSize(330,250);
		setDefaultCloseOperation(DISPOSE_ON_CLOSE);
		getContentPane().setLayout(gridBagLayout1);
		makeConstraints.set(gridBagConstraints1,0,0,2,1,60,10,GridBagConstraints.BOTH,GridBagConstraints.SOUTHWEST);
		gridBagLayout1.setConstraints(jLabel1,gridBagConstraints1);
		getContentPane().add(jLabel1);
		makeConstraints.set(gridBagConstraints1,2,0,1,1,40,10,GridBagConstraints.NONE,GridBagConstraints.SOUTHWEST);
		gridBagLayout1.setConstraints(jLabel2,gridBagConstraints1);
		getContentPane().add(jLabel2);
		//
		makeConstraints.set(gridBagConstraints1,0,1,1,1,40,90,GridBagConstraints.BOTH,GridBagConstraints.CENTER);
		gridBagLayout1.setConstraints(jListPane1,gridBagConstraints1);
		getContentPane().add(jListPane1);
		jListPane1.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
		String[] s={"张飞","关羽","刘备","曹操","诸葛亮","湘云","妙玉","袭人","晴雯","香菱","刘姥姥","凤姐儿"};
		jListPane1.jList1.setListData(s);
		makeConstraints.set(gridBagConstraints1,1,1,1,1,20,90,GridBagConstraints.BOTH,GridBagConstraints.CENTER);
		gridBagLayout1.setConstraints(buttonPane1,gridBagConstraints1);
		getContentPane().add(buttonPane1);
		makeConstraints.set(gridBagConstraints1,2,1,1,1,40,90,GridBagConstraints.BOTH,GridBagConstraints.CENTER);
		gridBagLayout1.setConstraints(jListPane2,gridBagConstraints1);
		getContentPane().add(jListPane2);
		//
		buttonPane1.jButton1.addActionListener(this);
		buttonPane1.jButton2.addActionListener(this);
		buttonPane1.jButton3.addActionListener(this);
		buttonPane1.jButton4.addActionListener(this);
		show();
	}
	public void actionPerformed(ActionEvent e){
		Object sourceObj=e.getSource();
		int count;
		String itemStr;
		Vector vector1=new Vector();
		if(sourceObj==buttonPane1.jButton1){   //全部添加
			count=jListPane1.jList1.getModel().getSize();
			for(int i=0;i<count;i++){
				itemStr=(String)jListPane1.jList1.getModel().getElementAt(i);
				//vector1.addElement(itemStr);
				vector1.add(itemStr);
			}
			jListPane2.jList1.setListData(vector1);
		}
		else if(sourceObj==buttonPane1.jButton2){  //全部删除
			vector1.removeAllElements();
			jListPane2.jList1.setListData(vector1);
		}
		else if(sourceObj==buttonPane1.jButton3){   //添加
			String itemStr1,itemStr2;
			itemStr1=(String)jListPane1.jList1.getSelectedValue();
			boolean addCondition=true;
			if(itemStr1!=null){
				vector1.removeAllElements();
				count=jListPane2.jList1.getModel().getSize();
				if(count>0){
					for(int i=0;i<count;i++){
						itemStr2=(String)jListPane2.jList1.getModel().getElementAt(i);
						vector1.addElement(itemStr2);
						if(itemStr1.equals(itemStr2)==true){
							addCondition=false;
							break;
						}
					}
					if(addCondition){
						//vector1.addElement(itemStr1);
						vector1.add(itemStr1);	
						jListPane2.jList1.setListData(vector1);
					}
				}
				else{
					vector1.addElement(itemStr1);
					jListPane2.jList1.setListData(vector1);
				}
			}
		}
		else if(sourceObj==buttonPane1.jButton4){   //删除
			int index=jListPane2.jList1.getSelectedIndex();
			vector1.removeAllElements();
			count=jListPane2.jList1.getModel().getSize();
			if(index!=-1){
				for(int i=0;i<count;i++){
					itemStr=(String)jListPane2.jList1.getModel().getElementAt(i);
					vector1.addElement(itemStr);
				}
				vector1.removeElementAt(index);
				jListPane2.jList1.setListData(vector1);
			}
		}
	}
	public static void main(String[] args){
		UsedJListDialog usedJListDialog1=new UsedJListDialog();
	}
}
class JListPane extends JScrollPane{
	JList jList1=new JList();
	JListPane(){
		setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
		getViewport().setView(jList1);
	}
}
class ButtonPane extends JPanel{
	GridBagLayout gridBagLayout1=new GridBagLayout();
	GridBagConstraints gridBagConstraints1=new GridBagConstraints();
	MakeConstraints makeConstraints=new MakeConstraints();
	JButton jButton1=new JButton("全部添加>>");
	JButton jButton2=new JButton("全部删除<<");
	JButton jButton3=new JButton("添加>");
	JButton jButton4=new JButton("删除<");
	ButtonPane(){
		setLayout(gridBagLayout1);
		makeConstraints.set(gridBagConstraints1,0,0,1,1,100,40,GridBagConstraints.HORIZONTAL,GridBagConstraints.SOUTH);
		gridBagLayout1.setConstraints(jButton1,gridBagConstraints1);
		add(jButton1);
		makeConstraints.set(gridBagConstraints1,0,1,1,1,100,10,GridBagConstraints.HORIZONTAL,GridBagConstraints.CENTER);
		gridBagLayout1.setConstraints(jButton2,gridBagConstraints1);
		add(jButton2);
		makeConstraints.set(gridBagConstraints1,0,2,1,1,100,10,GridBagConstraints.HORIZONTAL,GridBagConstraints.CENTER);
		gridBagLayout1.setConstraints(jButton3,gridBagConstraints1);
		add(jButton3);
		makeConstraints.set(gridBagConstraints1,0,3,1,1,100,40,GridBagConstraints.HORIZONTAL,GridBagConstraints.NORTH);
		gridBagLayout1.setConstraints(jButton4,gridBagConstraints1);
		add(jButton4);
	}
}
class MakeConstraints{
	void set(GridBagConstraints gbc,int gridx,int gridy,int gridwidth,int gridheight,double weightx,double weighty,int fill,int anchor){
		gbc.gridx=gridx;
		gbc.gridy=gridy;
		gbc.gridwidth=gridwidth;
		gbc.gridheight=gridheight;
		gbc.weightx=weightx;
		gbc.weighty=weighty;
		gbc.fill=fill;
		gbc.anchor=anchor;
	}
}