explorer.java

一个资源管理器的java代码

package org.oscar.explorer;

import java.io.File;

import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.window.ApplicationWindow;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.SashForm;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.TableColumn;


public class Explorer extends ApplicationWindow {

	public Explorer() {
		super(null);		
		addStatusLine();
	}
	
	protected MenuManager createMenuManager() {
		MenuManager barMenu = new MenuManager("");
		MenuManager fileMenu = new MenuManager(Msg.getString("menu.file"));
		MenuManager editMenu = new MenuManager(Msg.getString("menu.edit"));
		fileMenu.add(new ExitAction(this));
		return barMenu;
	}

	protected Control createContents(Composite parent) {
		getShell().setSize(640, 480);
		getShell().setText(Msg.getString("explorer.0"));		
		getShell().setImage(Util.getRegistry().get("folder"));
		SashForm sash = new SashForm(getShell(), SWT.HORIZONTAL);
		TreeViewer tv = new TreeViewer(sash);
		tv.setContentProvider(new TreeProvider());
		tv.setLabelProvider(new TreeLabelProvider());
		tv.addFilter(new FolderFilter());
		tv.setInput(new File("D:/"));
		final TableViewer tbv = new TableViewer(sash, SWT.BORDER | SWT.MULTI);
		tbv.setContentProvider(new TableProvider());
		tbv.setLabelProvider(new TableLabelProvider());
		TableColumn column = new TableColumn(tbv.getTable(), SWT.LEFT);
		column.setText(Msg.getString("column.0"));
		column.setWidth(150);
		column = new TableColumn(tbv.getTable(), SWT.RIGHT);
		column.setText(Msg.getString("column.1"));
		column.setWidth(100);
		tbv.getTable().setHeaderVisible(true);
		tbv.setSorter(new FileSorter());
		tv.addSelectionChangedListener(new ISelectionChangedListener() {

			public void selectionChanged(SelectionChangedEvent arg0) {
				IStructuredSelection selection = (IStructuredSelection) arg0
						.getSelection();
				Object selectedFile = selection.getFirstElement();
				tbv.setInput(selectedFile);
			}

		});
		tbv.addSelectionChangedListener(new ISelectionChangedListener() {

			public void selectionChanged(SelectionChangedEvent arg0) {
				IStructuredSelection selection = (IStructuredSelection) arg0
						.getSelection();
				setStatus(selection.size() + " files selected");
			}

		});
		return sash;
	}
	
	public static void main(String[] args) {
		Explorer exp = new Explorer();
		exp.setBlockOnOpen(true);
		exp.open();
		Display.getCurrent().dispose();
	}	
}