SWT实现浏览文件对话框

package cn.edu.tju.ikse.sn.parser.wsdl;

import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.MessageBox;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Label;
import com.swtdesigner.SWTResourceManager;
import org.eclipse.swt.widgets.Text;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Group;

public class WSDLParseGUI {

	protected Shell shell;
	private Text text_file;

	/**
	 * Launch the application.
	 * @param args
	 */
	public static void main(String[] args) {
		try {
			WSDLParseGUI window = new WSDLParseGUI();
			window.open();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	/**
	 * Open the window.
	 */
	public void open() {
		Display display = Display.getDefault();
		createContents();
		shell.open();
		shell.layout();
		while (!shell.isDisposed()) {
			if (!display.readAndDispatch()) {
				display.sleep();
			}
		}
	}

	/**
	 * Create contents of the window.
	 */
	protected void createContents() {
		shell = new Shell();
		shell.setSize(500, 200);
		shell.setText("解析WSDL");
		
		text_file = new Text(shell, SWT.BORDER);
		text_file.setBounds(80, 33, 290, 24);
		//实现文件浏览功能
		Button browseButton = new Button(shell,SWT.PUSH);
		browseButton.setText("浏览...");
		browseButton.setFont(SWTResourceManager.getFont("Tahoma", 12, SWT.NORMAL));
		browseButton.setBounds(383, 33, 80, 24);
		browseButton.addSelectionListener(new SelectionAdapter(){

			public void widgetSelected(SelectionEvent e){
				 FileDialog dialog = new FileDialog (shell, SWT.OPEN);
				 dialog.setText("Source Folder Selection");
				 dialog.setFilterExtensions(new String[] {"*.xml","*.wsdl","*.asmx","*.*"});
				 String filePath = dialog.open();
				 if(dialog!=null){
					 text_file.setText(filePath);
				 }
			}
		});
		Button button_exe = new Button(shell, SWT.NONE);
		button_exe.addSelectionListener(new SelectionAdapter() {
			@Override
			public void widgetSelected(SelectionEvent e) {
				MessageBox msgbox = new MessageBox(shell,
					SWT.ICON_QUESTION | SWT.OK);
				msgbox.setText("提示");
				
				String file = "";
				file = text_file.getText();
				if(file.equals("") || file == null){
					msgbox.setMessage("WSDL文件不能为空");
					msgbox.open();
					return;
				}
				
				if(WSDLValidator.validate("file:\\"+ file)){
					ParseWSDL1 p = new ParseWSDL1(file);
					msgbox.setMessage("WSDL文件解析完毕!");
				}
				else{
					msgbox.setMessage("WSDL文件无效");
					msgbox.open();
					return;
				}

				msgbox.open();
		
			}
		});
		button_exe.setFont(SWTResourceManager.getFont("Tahoma", 12, SWT.NORMAL));
		button_exe.setBounds(214, 133, 87, 23);
		button_exe.setText("\u6267\u884C");
		
		Group group = new Group(shell, SWT.NONE);
		group.setBounds(10, 10, 472, 117);
		
		Label label = new Label(group, SWT.NONE);
		label.setBounds(10, 23, 105, 24);
		label.setFont(SWTResourceManager.getFont("Tahoma", 12, SWT.NORMAL));
		label.setText("源文件：");
		

	}
}

运行结果：



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