jList不顯示來自自定義模型的數據？

Question

我想通過子類化AbstractListModel來填充JList。我已經瀏覽了很多地方去嘗試並找到我在做什麼錯誤，但從未設法解決問題。所以這個類處理我的GUI ...

//View 
public class central extends javax.swing.JFrame { 

public central() { 
    initComponents(); 
    list.addMouseListener(new abstracts.mouseActions(list)); 

} 

public void setListModel(ListModel l){ 
    list.setModel(l); 

} 

// The rest are auto generated code for the interface, not relevant 

然後就是我的中產階級......

public class MainCtrl { 
//View reference 
private views.central mainFrame = new views.central(); 
//Model reference 
private abstracts.ListData model = new abstracts.ListData(); 
/*All this was testing purposes and it worked 
    private DefaultListModel model = new DefaultListModel(); 
*/ 

private void showView(){ 
    mainFrame.setListModel(model); 
    mainFrame.setVisible(true); 
    models.contact p2 = new models.contact("Alex", "Christopher","alex@hotmail.com","22","Def"); 
    models.contact p1 = new models.contact("Joes", "Smith","joey@hotmail.com","33","Def"); 
    model.addContact(p2); 
    model.addContact(p1); 
    /* def version 
     model.addElement(p2); 

    */ 


} 

public static void main(String[] args) { 
    try { 
     UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName()); 
     new MainCtrl().showView(); 
    } 
    catch (Exception e) { 
     e.printStackTrace(); 
    } 
} 

然後，我已經拿到了AbstractListModel上實現

public class ListData extends AbstractListModel {  
//Store people info 
private Vector<contact> people; 

public ListData() { 
    people = new Vector<contact>(); 
} 

public void addContact(contact newPerson){ 
    people.add(newPerson); 
    int per = people.indexOf(newPerson); 
    fireIntervalAdded(this,0,getSize()); 
} 

@Override 
public contact getElementAt(int index){ 
    return people.get(index); 
} 

@Override 
public int getSize(){ 
    return people.size(); 
} 


@Override 
protected void fireIntervalAdded(Object src, int index, int index2){ 
System.out.println(index2);  
} 

..... 

我測試了DefautListModel並顯示了這些值，但是當我合併一個自定義模型時，它不顯示？有沒有額外的一步我失蹤？此外mainCtrl是主類...

感謝真的可以使用一些幫助

Answer 1

listModel = new DefaultListModel(); 
listModel.addElement("Jane Doe"); 
listModel.addElement("John Smith"); 
listModel.addElement("Kathy Green"); 


list = new JList(listModel); 

請參考以下鏈接它會幫助你

http://docs.oracle.com/javase/tutorial/uiswing/components/list.html