学步园

import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.ListViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

public class TestListViewer {

    static class ListLabelProvider extends LabelProvider {
        public String getText(Object element) {
            Country country = (Country)element;
            return country.getName();
        }
        public Image getImage(Object element) {
            return null;
        }
    }
    static class ContentProvider implements IStructuredContentProvider {
        public Object[] getElements(Object inputElement) {
            if(inputElement instanceof List){
                List list = (List)inputElement;
                return list.toArray();
            }
            return new Object[0];
        }
        public void dispose() {
        }
        public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
        }
    }
    static class Country {
        private String name;

        public Country(){
        }
        public Country(String name){
            this.name = name;
        }
        public String getName() {
            return name;
        }

        public void setName(String name) {
            this.name = name;
        }
        public static List getCountryList(){
            List list = new ArrayList();
            list.add(new Country("中国"));
            list.add(new Country("美国"));
            list.add(new Country("日本"));
            return list;
        }
       
    }
    private static org.eclipse.swt.widgets.List list;
    /** *//**
     * Launch the application
     * @param args
     */
    public static void main(String[] args) {
        final Display display = Display.getDefault();
        final Shell shell = new Shell();
        shell.setSize(500, 375);
        shell.setText("SWT Application");
        //
       
        shell.open();

        final ListViewer listViewer = new ListViewer(shell, SWT.BORDER);
        listViewer.setLabelProvider(new ListLabelProvider());
        listViewer.setContentProvider(new ContentProvider());
        listViewer.setInput(new Object());
        list = listViewer.getList();
        list.setBounds(122, 63, 100, 100);
       
        listViewer.setContentProvider(new ContentProvider());
        listViewer.setLabelProvider(new ListLabelProvider());
        listViewer.setInput(Country.getCountryList());
        //可以直接添加
        listViewer.add(new Country("英国"));
        shell.setLayout(new FillLayout());
        shell.layout();
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch())
                display.sleep();
        }
    }