package filetree;

import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintWriter;

import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.window.ApplicationWindow;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.freedesktop.dbus.DirectConnection;

import dbus_d_javahelper.ConsoleProcess;

/**
 * This class demonstrates TreeViewer. It shows the drives, directories, and
 * files on the system.
 */
public class FileTree extends ApplicationWindow {
  private final DataFileSystem fs;

/**
   * FileTree constructor
   */
  public FileTree(DataFileSystem fs) {
    super(null);
	this.fs = fs;
  }

  /**
   * Runs the application
   */
  public void run() {
    // Don't return from open() until window closes
    setBlockOnOpen(true);

    // Open the main window
    open();

    // Dispose the display
    Display.getCurrent().dispose();
  }

  /**
   * Configures the shell
   * 
   * @param shell
   *            the shell
   */
  protected void configureShell(Shell shell) {
    super.configureShell(shell);

    // Set the title bar text and the size
    shell.setText("File Tree");
    shell.setSize(400, 400);
  }

  /**
   * Creates the main window's contents
   * 
   * @param parent
   *            the main window
   * @return Control
   */
  protected Control createContents(Composite parent) {
    Composite composite = new Composite(parent, SWT.NONE);
    composite.setLayout(new GridLayout(1, false));

    // Add a checkbox to toggle whether the labels preserve case
    Button preserveCase = new Button(composite, SWT.CHECK);
    preserveCase.setText("&Preserve case");

    // Create the tree viewer to display the file tree
    final TreeViewer tv = new TreeViewer(composite);
    tv.getTree().setLayoutData(new GridData(GridData.FILL_BOTH));
    tv.setContentProvider(new FileTreeContentProvider());
    tv.setLabelProvider(new FileTreeLabelProvider());
    tv.setInput(fs); // pass a non-null that will be ignored

    // When user checks the checkbox, toggle the preserve case attribute
    // of the label provider
    preserveCase.addSelectionListener(new SelectionAdapter() {
      public void widgetSelected(SelectionEvent event) {
        boolean preserveCase = ((Button) event.widget).getSelection();
        FileTreeLabelProvider ftlp = (FileTreeLabelProvider) tv
            .getLabelProvider();
        ftlp.setPreserveCase(preserveCase);
      }
    });
    return composite;
  }

  /**
   * The application entry point
   * 
   * @param args
   *            the command line arguments
   */
  public static void main2(String[] args) {
	    new FileTree(null).run();
  }
	static DirectConnection dc;
	static ConsoleProcess process;

	public static void main(String[] args) throws Exception {
		final String address = DirectConnection.createDynamicTCPSession();
		// String address =
		// "tcp:host=localhost,port=12344,guid="+Transport.genGUID();
		System.err.println("----------------------------");
		System.err.println(address);
		System.err.println("----------------------------");
		new Thread() {
			@Override
			public void run() {
				try {
					System.err.println("### start D ###");
					process = new ConsoleProcess(new String[] {
							"./dsrc/DHelper", address }, null, null,
							System.out, System.err);
					System.err.println("### started D ###");
					process.join();
				} catch (InterruptedException e) {
					e.printStackTrace();
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
		}.start();
		
		try{
			Thread.sleep( 200 );
			System.err.println("--- starting connection ----");
			dc = new DirectConnection(address + ",listen=true");
			System.err.println("----------------------------");
	
			DataFileSystem rem = (DataFileSystem) dc.getRemoteObject(
					"/DHelper/MyDataFileSystem/0", DataFileSystem.class);
	
		    new FileTree(rem).run();

		}
		finally{
		    dc.disconnect();
		}
	}
}