protected void initializeServerControl(ILaunchConfiguration configuration) {
   try {
     String serverName = configuration.getAttribute(Server.NAME, ""); // $NON-NLS-1$
     if (serverName != null && !serverName.equals("")) { // $NON-NLS-1$
       server = ServersManager.getServer(serverName);
       if (server == null) { // server no longer exists
         setErrorMessage(
             PHPServerUIMessages.getString("ServerTab.invalidServerError")); // $NON-NLS-1$
         selectDefaultServer(configuration);
       } else {
         serverCombo.setText(server.getName());
       }
     } else {
       selectDefaultServer(configuration);
     }
     // flag should only be set if launch has been attempted on the
     // config
     if (configuration.getAttribute(READ_ONLY, false)) {
       serverCombo.setEnabled(false);
     }
     boolean enabled = configuration.getAttribute(SERVER_ENABLED, true);
     serverCombo.setEnabled(enabled);
     createNewServer.setEnabled(enabled);
   } catch (Exception e) {
   }
 }
 /*
  * Select the default server.
  */
 private void selectDefaultServer(ILaunchConfiguration configuration) throws CoreException {
   if (serverCombo != null && serverCombo.getItemCount() > 0) {
     // Select the default server
     String projectName =
         configuration.getAttribute(IPHPDebugConstants.PHP_Project, (String) null);
     IProject project = null;
     if (projectName != null) {
       project = ResourcesPlugin.getWorkspace().getRoot().getProject(projectName);
     }
     Server defaultServer = ServersManager.getDefaultServer(project);
     int nameIndex = serverCombo.indexOf(defaultServer.getName());
     if (nameIndex > -1) {
       serverCombo.select(nameIndex);
     } else {
       serverCombo.select(0);
     }
     server = ServersManager.getServer(serverCombo.getText());
   }
 }
  /** Called when a server is selected. This method should not be called directly. */
  protected void handleServerSelection() {
    int numEntries = serverCombo.getItemCount();
    int index = serverCombo.getSelectionIndex();

    if (!servers.isEmpty()) {
      Object obj = servers.get(serverCombo.getSelectionIndex());
      if (obj != null && obj instanceof Server) {
        server = servers.get(serverCombo.getSelectionIndex());
        initializeURLControl();
      }
    }

    if (server == null && (index + 1) != numEntries)
      setErrorMessage(
          PHPServerUIMessages.getString("ServerTab.noSelectedServerError")); // $NON-NLS-1$
    else {
      setErrorMessage(null);
    }
    updateLaunchConfigurationDialog();
  }
 protected void handleConfigureButtonSelected() {
   int selectionIndex = serverCombo.getSelectionIndex();
   Server server = servers.get(selectionIndex);
   String serverName = server.getName();
   Shell shell = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell();
   NullProgressMonitor monitor = new NullProgressMonitor();
   ServerEditDialog dialog = new ServerEditDialog(shell, server);
   if (dialog.open() == Window.CANCEL) {
     monitor.setCanceled(true);
     return;
   }
   ServersManager.save();
   String newName = server.getName();
   if (!newName.equals(serverName)) {
     serverCombo.remove(selectionIndex);
     serverCombo.add(newName, selectionIndex);
     serverCombo.select(selectionIndex);
   }
   saveWorkingCopy = true;
   handleServerSelection();
 }
  protected void createServerSelectionControl(Composite parent) {
    Group group = new Group(parent, SWT.NONE);
    group.setText(PHPServerUIMessages.getString("ServerTab.server")); // $NON-NLS-1$
    GridLayout ly = new GridLayout(1, false);
    ly.marginHeight = 0;
    ly.marginWidth = 0;
    group.setLayout(ly);
    group.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

    Composite phpServerComp = new Composite(group, SWT.NONE);
    phpServerComp.setLayout(new GridLayout(4, false));
    phpServerComp.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    phpServerComp.setFont(parent.getFont());

    Label label = new Label(phpServerComp, SWT.WRAP);
    GridData data = new GridData(GridData.BEGINNING);
    data.widthHint = 100;
    label.setLayoutData(data);
    label.setFont(parent.getFont());
    label.setText(PHPServerUIMessages.getString("ServerLaunchConfigurationTab.0")); // $NON-NLS-1$

    serverCombo = new Combo(phpServerComp, SWT.SINGLE | SWT.BORDER | SWT.READ_ONLY);
    serverCombo.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    serverCombo.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            handleServerSelection();
          }
        });

    createNewServer =
        createPushButton(
            phpServerComp, PHPServerUIMessages.getString("ServerTab.new"), null); // $NON-NLS-1$
    createNewServer.addSelectionListener(fListener);

    configureServers =
        createPushButton(
            phpServerComp,
            PHPServerUIMessages.getString("ServerTab.configure"),
            null); //$NON-NLS-1$
    configureServers.addSelectionListener(fListener);

    servers = new ArrayList<Server>();
    populateServerList(servers);

    // initialize the servers list
    if (!servers.isEmpty()) {
      for (int i = 0; i < servers.size(); i++) {
        Server svr = servers.get(i);
        serverCombo.add(svr.getName());
      }
    }

    // select first item in list
    if (serverCombo.getItemCount() > 0) {
      serverCombo.select(0);
    }

    serverCombo.forceFocus();
  }
  /** @see org.eclipse.debug.ui.ILaunchConfigurationTab#initializeFrom(ILaunchConfiguration) */
  public void initializeFrom(ILaunchConfiguration configuration) {
    serverCombo.setEnabled(true);
    // remove error message that other instances may have set
    setErrorMessage(null);

    try {
      String fileName = configuration.getAttribute(Server.FILE_NAME, ""); // $NON-NLS-1$
      String url = configuration.getAttribute(Server.BASE_URL, ""); // $NON-NLS-1$
      boolean isAutoGeneratedURL = configuration.getAttribute(AUTO_GENERATED_URL, true);

      initializeServerControl(configuration);

      if (isAutoGeneratedURL) {
        autoGeneratedURL.setSelection(true);
        String computedURL = computeURL(formatFileName(fileName));
        fURLLabel.setEnabled(false);
        updateURLComponents(computedURL);
        fURLPath.setEnabled(false);
      } else {
        autoGeneratedURL.setSelection(false);
        fURLLabel.setEnabled(true);
        updateURLComponents(url);
        fURLPath.setEnabled(true);
      }

      fFile.setText(fileName);

      updateFileEnabled(configuration);
      updateURLEnabled(configuration);
    } catch (CoreException e) {
      // ignore
    }

    initializeExtensionControls(configuration);

    isValid(configuration);
  }