eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/ui/dialog/RemotingLoginDialog.java

   1 // $Id$
   2 /**
   3  * Copyright (C) 2015 EDIT
   4  * European Distributed Institute of Taxonomy
   5  * http://www.e-taxonomy.eu
   6  *
   7  * The contents of this file are subject to the Mozilla Public License Version 1.1
   8  * See LICENSE.TXT at the top of this package for the full license terms.
   9  */
  10 package eu.etaxonomy.taxeditor.ui.dialog;
  11
  12 import java.util.HashMap;
  13 import java.util.List;
  14 import java.util.Map;
  15
  16 import org.eclipse.core.runtime.IProgressMonitor;
  17 import org.eclipse.core.runtime.IStatus;
  18 import org.eclipse.core.runtime.Status;
  19 import org.eclipse.core.runtime.jobs.Job;
  20 import org.eclipse.core.runtime.preferences.ConfigurationScope;
  21 import org.eclipse.core.runtime.preferences.IEclipsePreferences;
  22 import org.eclipse.swt.SWT;
  23 import org.eclipse.swt.custom.StyledText;
  24 import org.eclipse.swt.events.MouseAdapter;
  25 import org.eclipse.swt.events.MouseEvent;
  26 import org.eclipse.swt.events.SelectionAdapter;
  27 import org.eclipse.swt.events.SelectionEvent;
  28 import org.eclipse.swt.graphics.Point;
  29 import org.eclipse.swt.layout.FillLayout;
  30 import org.eclipse.swt.layout.GridData;
  31 import org.eclipse.swt.layout.GridLayout;
  32 import org.eclipse.swt.widgets.Button;
  33 import org.eclipse.swt.widgets.Combo;
  34 import org.eclipse.swt.widgets.Composite;
  35 import org.eclipse.swt.widgets.Dialog;
  36 import org.eclipse.swt.widgets.Display;
  37 import org.eclipse.swt.widgets.Label;
  38 import org.eclipse.swt.widgets.Shell;
  39 import org.eclipse.swt.widgets.Text;
  40 import org.eclipse.ui.forms.events.ExpansionEvent;
  41 import org.eclipse.ui.forms.events.IExpansionListener;
  42 import org.eclipse.ui.forms.widgets.ExpandableComposite;
  43 import org.eclipse.wb.swt.SWTResourceManager;
  44 import org.osgi.service.prefs.BackingStoreException;
  45 import org.osgi.service.prefs.Preferences;
  46
  47 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  48 import eu.etaxonomy.taxeditor.remoting.server.CDMServerException;
  49 import eu.etaxonomy.taxeditor.remoting.source.CdmRemoteSource;
  50 import eu.etaxonomy.taxeditor.remoting.source.CdmServerInfo;
  51 import eu.etaxonomy.taxeditor.remoting.source.CdmServerInfo.CdmInstanceInfo;
  52 import eu.etaxonomy.taxeditor.remoting.source.ICdmRemoteSource;
  53 import eu.etaxonomy.taxeditor.store.CdmStore;
  54
  55 /**
  56  * @author cmathew
  57  * @date 20 Jan 2015
  58  *
  59  */
  60 public class RemotingLoginDialog extends Dialog {
  61
  62     protected Object result;
  63     protected Shell shlConnect;
  64     private Text txtCdmServerStatus;
  65     private Text txtCdmInstanceStatus;
  66     private Combo comboCdmServer;
  67     private Combo comboCdmInstance;
  68     private Button btnConnect;
  69
  70     private final Map<String, CdmServerInfo> csiiMap = new HashMap<String, CdmServerInfo>();
  71
  72     private final static String STATUS_AVAILABLE = "Available";
  73     private final static String STATUS_NOT_AVAILABLE = "Not Available";
  74     private final static String STATUS_RETRIEVING = "Retrieving ...";
  75     private final static String STATUS_CHECKING_AVAILABILITY = "Checking ...";
  76     private final static String STATUS_NO_INSTANCES = "No Instances Found";
  77     private final static String STATUS_ERROR = "Error";
  78     private final static String STATUS_REMOTING_NOT_ACTIVATED = "Remoting not activated";
  79     private final static String STORE_PREFERENCES_NODE = "eu.etaxonomy.taxeditor.store";
  80
  81     private final static String LOGIN_NODE = "login";
  82     private final static String USERNAME_SUFFIX = "_username";
  83     private final static String PASSWORD_SUFFIX = "_password";
  84
  85     private final static String LAST_SERVER_INSTANCE_NODE = "lastServerInstance";
  86     private final static String LAST_SERVER_KEY = "lastServerKey";
  87     private final static String LAST_INSTANCE_KEY = "lastInstanceKey";
  88
  89
  90     private Composite remotingComposite;
  91     private CdmServerInfo selectedCsii;
  92     private CdmInstanceInfo selectedCdmInstance;
  93     private Button btnCdmServerRefresh;
  94     private Composite loginComposite;
  95     private Label lblLogin;
  96     private Text txtLogin;
  97     private Label lblPassword;
  98     private Text txtPassword;
  99     private Button btnRememberMe;
 100     private Composite compAdvanced;
 101     private Label lblPort;
 102     private Text txtPort;
 103     private Label lblServerVersion;
 104     private Text txtServerVersion;
 105     private ExpandableComposite xpndblcmpstAdvanced;
 106     private StyledText styledTxtMessage;
 107
 108
 109     private final int MIN_WIDTH = 530;
 110     private final int MIN_HEIGHT = 220;
 111     private final int MIN_EXP_HEIGHT = 350;
 112     private final int MESSAGE_HEIGHT = 25;
 113     private Label lblEditorVersion;
 114     private Text txtEditorVersion;
 115     private Label lblServerCDMVersion;
 116     private Text txtServerCDMVersion;
 117     private Label lblEditorCDMVersion;
 118     private Text txtEditorCDMVersion;
 119
 120     private String serverName, instanceName;
 121     private boolean autoConnect = false;
 122     private boolean loadLoginPrefs = true;
 123     private boolean isDevRemoteSource = false;
 124
 125     /**
 126      * Create the dialog.
 127      * @param parent
 128      * @param style
 129      */
 130     public RemotingLoginDialog(Shell parent, int style) {
 131         super(parent, style);
 132         setText("Login");
 133     }
 134
 135     public Object open(CdmRemoteSource source, boolean loadLoginPrefs, boolean autoConnect) {
 136         this.loadLoginPrefs = loadLoginPrefs;
 137         this.serverName = source.getName();
 138         String contextPath = source.getContextPath();
 139         this.instanceName = contextPath.substring(contextPath.lastIndexOf("/") + 1);
 140         return open(serverName, instanceName, loadLoginPrefs, autoConnect);
 141     }
 142
 143
 144     public Object open(String serverName, String instanceName, boolean loadLoginPrefs, boolean autoConnect) {
 145         this.serverName = serverName;
 146         this.instanceName = instanceName;
 147         this.loadLoginPrefs = loadLoginPrefs;
 148         this.autoConnect = autoConnect;
 149         return open();
 150     }
 151
 152     /**
 153      * Open the dialog.
 154      * @return the result
 155      */
 156     public Object open() {
 157         //        ICdmRemoteSource devRemoteSource = CdmServerInfo.getDevServerRemoteSource();
 158         //        if(devRemoteSource != null) {
 159         //            connect(devRemoteSource);
 160         //        } else {
 161         createContents();
 162         if(serverName == null && instanceName == null) {
 163             readPrefLastServerInstance();
 164         }
 165
 166         populateCdmServerCombo();
 167         shlConnect.open();
 168         shlConnect.layout();
 169
 170         xpndblcmpstAdvanced.setExpanded(false);
 171
 172         Display display = getParent().getDisplay();
 173
 174         while (!shlConnect.isDisposed()) {
 175             if (!display.readAndDispatch()) {
 176                 display.sleep();
 177             }
 178         }
 179         //}
 180         return result;
 181     }
 182
 183     /**
 184      * Create contents of the dialog.
 185      */
 186     private void createContents() {
 187         shlConnect = new Shell(getParent(), SWT.DIALOG_TRIM);
 188         shlConnect.setMinimumSize(new Point(MIN_WIDTH, MIN_HEIGHT));
 189         shlConnect.setSize(MIN_WIDTH, MIN_HEIGHT);
 190         shlConnect.setText("Connect");
 191         shlConnect.setLayout(new FillLayout(SWT.HORIZONTAL));
 192
 193         remotingComposite = new Composite(shlConnect, SWT.NONE);
 194         remotingComposite.setLayout(new GridLayout(1, false));
 195
 196         Composite cdmServerComposite = new Composite(remotingComposite, SWT.NONE);
 197         GridData gd_cdmServerComposite = new GridData(SWT.LEFT, SWT.CENTER, false, false, 1, 1);
 198         gd_cdmServerComposite.heightHint = 68;
 199         cdmServerComposite.setLayoutData(gd_cdmServerComposite);
 200         cdmServerComposite.setLayout(new GridLayout(4, false));
 201
 202         Label lblCdmServer = new Label(cdmServerComposite, SWT.NONE);
 203         lblCdmServer.setText("CDM Server : ");
 204         lblCdmServer.setFont(SWTResourceManager.getFont("Ubuntu", 9, SWT.NORMAL));
 205         lblCdmServer.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
 206
 207         comboCdmServer = new Combo(cdmServerComposite, SWT.READ_ONLY);
 208         comboCdmServer.addSelectionListener(new SelectionAdapter() {
 209             @Override
 210             public void widgetSelected(SelectionEvent e) {
 211                 refreshCdmServer();
 212                 updatePort();
 213             }
 214         });
 215         GridData gd_comboCdmServer = new GridData(SWT.FILL, SWT.FILL, true, false, 1, 1);
 216         gd_comboCdmServer.widthHint = 150;
 217         comboCdmServer.setLayoutData(gd_comboCdmServer);
 218         comboCdmServer.select(0);
 219
 220         txtCdmServerStatus = new Text(cdmServerComposite, SWT.BORDER);
 221         txtCdmServerStatus.setBackground(SWTResourceManager.getColor(SWT.COLOR_INFO_BACKGROUND));
 222         txtCdmServerStatus.setEditable(false);
 223         GridData gd_txtCdmServerStatus = new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1);
 224         gd_txtCdmServerStatus.widthHint = 100;
 225         txtCdmServerStatus.setLayoutData(gd_txtCdmServerStatus);
 226
 227         btnCdmServerRefresh = new Button(cdmServerComposite, SWT.NONE);
 228         btnCdmServerRefresh.addSelectionListener(new SelectionAdapter() {
 229             @Override
 230             public void widgetSelected(SelectionEvent e) {
 231                 refreshCdmServer();
 232             }
 233         });
 234         btnCdmServerRefresh.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false, 1, 1));
 235         btnCdmServerRefresh.setText("Refresh");
 236
 237         Label lblCdmInstance = new Label(cdmServerComposite, SWT.NONE);
 238         GridData gd_lblCdmInstance = new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1);
 239         gd_lblCdmInstance.heightHint = 30;
 240         lblCdmInstance.setLayoutData(gd_lblCdmInstance);
 241         lblCdmInstance.setText("CDM Instance : ");
 242         lblCdmInstance.setFont(SWTResourceManager.getFont("Ubuntu", 9, SWT.NORMAL));
 243
 244         comboCdmInstance = new Combo(cdmServerComposite, SWT.READ_ONLY);
 245         comboCdmInstance.addSelectionListener(new SelectionAdapter() {
 246             @Override
 247             public void widgetSelected(SelectionEvent e) {
 248                 updateSelectedCdmInstance();
 249                 checkSelectedCdmInstance();
 250             }
 251         });
 252         GridData gd_comboCdmInstance = new GridData(SWT.FILL, SWT.FILL, true, false, 1, 1);
 253         gd_comboCdmInstance.widthHint = 150;
 254         comboCdmInstance.setLayoutData(gd_comboCdmInstance);
 255         comboCdmInstance.select(0);
 256
 257         txtCdmInstanceStatus = new Text(cdmServerComposite, SWT.BORDER);
 258         txtCdmInstanceStatus.setBackground(SWTResourceManager.getColor(SWT.COLOR_INFO_BACKGROUND));
 259         txtCdmInstanceStatus.setEditable(false);
 260         GridData gd_txtCdmInstanceStatus = new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1);
 261         gd_txtCdmInstanceStatus.widthHint = 100;
 262         txtCdmInstanceStatus.setLayoutData(gd_txtCdmInstanceStatus);
 263
 264         Button btnCdmInstanceRefresh = new Button(cdmServerComposite, SWT.FLAT);
 265         btnCdmInstanceRefresh.addSelectionListener(new SelectionAdapter() {
 266             @Override
 267             public void widgetSelected(SelectionEvent e) {
 268                 refreshCdmInstance();
 269             }
 270         });
 271         GridData gd_btnCdmInstanceRefresh = new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1);
 272         gd_btnCdmInstanceRefresh.widthHint = 110;
 273         gd_btnCdmInstanceRefresh.heightHint = 30;
 274         btnCdmInstanceRefresh.setLayoutData(gd_btnCdmInstanceRefresh);
 275         btnCdmInstanceRefresh.setText("Refresh");
 276
 277         loginComposite = new Composite(remotingComposite, SWT.NONE);
 278         GridData gd_loginComposite = new GridData(SWT.LEFT, SWT.CENTER, false, false, 1, 1);
 279         gd_loginComposite.widthHint = 487;
 280         gd_loginComposite.heightHint = 70;
 281         loginComposite.setLayoutData(gd_loginComposite);
 282         GridLayout gl_loginComposite = new GridLayout(6, false);
 283         gl_loginComposite.marginTop = 5;
 284         loginComposite.setLayout(gl_loginComposite);
 285
 286         lblLogin = new Label(loginComposite, SWT.CENTER);
 287         GridData gd_lblLogin = new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1);
 288         gd_lblLogin.widthHint = 50;
 289         lblLogin.setLayoutData(gd_lblLogin);
 290         lblLogin.setText("Login : ");
 291         lblLogin.setFont(SWTResourceManager.getFont("Ubuntu", 9, SWT.NORMAL));
 292
 293         txtLogin = new Text(loginComposite, SWT.BORDER);
 294         GridData gd_txtLogin = new GridData(SWT.FILL, SWT.FILL, true, false, 1, 1);
 295         gd_txtLogin.minimumWidth = 80;
 296         gd_txtLogin.widthHint = 80;
 297         gd_txtLogin.heightHint = 15;
 298         txtLogin.setLayoutData(gd_txtLogin);
 299
 300         lblPassword = new Label(loginComposite, SWT.CENTER);
 301         lblPassword.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
 302         lblPassword.setText("Password : ");
 303         lblPassword.setFont(SWTResourceManager.getFont("Ubuntu", 9, SWT.NORMAL));
 304
 305         txtPassword = new Text(loginComposite, SWT.BORDER | SWT.PASSWORD);
 306         GridData gd_txtPassword = new GridData(SWT.FILL, SWT.FILL, true, false, 1, 1);
 307         gd_txtPassword.minimumWidth = 80;
 308         gd_txtPassword.widthHint = 80;
 309         gd_txtPassword.heightHint = 15;
 310         txtPassword.setLayoutData(gd_txtPassword);
 311         new Label(loginComposite, SWT.NONE);
 312
 313         btnConnect = new Button(loginComposite, SWT.FLAT);
 314         btnConnect.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 1, 1));
 315         btnConnect.addMouseListener(new MouseAdapter() {
 316             @Override
 317             public void mouseUp(MouseEvent e) {
 318                 connect();
 319             }
 320         });
 321         btnConnect.setText("Connect");
 322
 323         btnRememberMe = new Button(loginComposite, SWT.CHECK);
 324         btnRememberMe.setSelection(true);
 325         GridData gd_btnRememberMe = new GridData(SWT.LEFT, SWT.CENTER, false, false, 2, 1);
 326         gd_btnRememberMe.widthHint = 107;
 327         btnRememberMe.setLayoutData(gd_btnRememberMe);
 328         btnRememberMe.setText("Remember Me");
 329         new Label(loginComposite, SWT.NONE);
 330         new Label(loginComposite, SWT.NONE);
 331         new Label(loginComposite, SWT.NONE);
 332         new Label(loginComposite, SWT.NONE);
 333
 334         styledTxtMessage = new StyledText(remotingComposite, SWT.NONE);
 335         styledTxtMessage.setBackground(SWTResourceManager.getColor(SWT.COLOR_INFO_BACKGROUND));
 336         styledTxtMessage.setForeground(SWTResourceManager.getColor(SWT.COLOR_DARK_RED));
 337         styledTxtMessage.setFont(SWTResourceManager.getFont("Ubuntu", 12, SWT.BOLD));
 338         styledTxtMessage.setSelectionBackground(SWTResourceManager.getColor(SWT.COLOR_LIST_SELECTION_TEXT));
 339         styledTxtMessage.setSelectionForeground(SWTResourceManager.getColor(SWT.COLOR_DARK_RED));
 340         styledTxtMessage.setDoubleClickEnabled(false);
 341         styledTxtMessage.setEditable(false);
 342         GridData gd_styledTxtMessage = new GridData(SWT.FILL, SWT.FILL, true, false, 1, 1);
 343         gd_styledTxtMessage.exclude = true;
 344         gd_styledTxtMessage.minimumHeight = MESSAGE_HEIGHT;
 345         gd_styledTxtMessage.heightHint = MESSAGE_HEIGHT;
 346         styledTxtMessage.setLayoutData(gd_styledTxtMessage);
 347
 348         xpndblcmpstAdvanced = new ExpandableComposite(remotingComposite, SWT.NONE, ExpandableComposite.TWISTIE);
 349         GridData gd_xpndblcmpstAdvanced = new GridData(SWT.FILL, SWT.FILL, false, true, 1, 1);
 350         gd_xpndblcmpstAdvanced.heightHint = 19;
 351         xpndblcmpstAdvanced.setLayoutData(gd_xpndblcmpstAdvanced);
 352         xpndblcmpstAdvanced.addExpansionListener(new IExpansionListener() {
 353             @Override
 354             public void expansionStateChanged(ExpansionEvent e) {
 355                 GridData gridData = (GridData) xpndblcmpstAdvanced.getLayoutData();
 356                 if(e.getState()) {
 357                     shlConnect.setSize(MIN_WIDTH, MIN_EXP_HEIGHT);
 358                 } else {
 359                     shlConnect.setSize(MIN_WIDTH, MIN_HEIGHT);
 360                 }
 361
 362             }
 363             @Override
 364             public void expansionStateChanging(ExpansionEvent e) {
 365             }
 366         });
 367         xpndblcmpstAdvanced.setText("advanced");
 368         xpndblcmpstAdvanced.setExpanded(true);
 369
 370         compAdvanced = new Composite(xpndblcmpstAdvanced, SWT.NONE);
 371         xpndblcmpstAdvanced.setClient(compAdvanced);
 372         compAdvanced.setLayout(new GridLayout(4, false));
 373
 374         lblPort = new Label(compAdvanced, SWT.CENTER);
 375         lblPort.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
 376         lblPort.setSize(0, 0);
 377         lblPort.setText("Port : ");
 378         lblPort.setFont(SWTResourceManager.getFont("Ubuntu", 9, SWT.NORMAL));
 379
 380         txtPort = new Text(compAdvanced, SWT.BORDER);
 381         GridData gd_txtPort = new GridData(SWT.FILL, SWT.CENTER, false, false, 1, 1);
 382         gd_txtPort.minimumWidth = 50;
 383         gd_txtPort.widthHint = 50;
 384         txtPort.setLayoutData(gd_txtPort);
 385
 386         lblServerVersion = new Label(compAdvanced, SWT.CENTER);
 387         lblServerVersion.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
 388         lblServerVersion.setText("Server Version :");
 389         lblServerVersion.setFont(SWTResourceManager.getFont("Ubuntu", 9, SWT.NORMAL));
 390
 391         txtServerVersion = new Text(compAdvanced, SWT.BORDER);
 392         txtServerVersion.setEnabled(false);
 393         txtServerVersion.setEditable(false);
 394         txtServerVersion.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false, 1, 1));
 395         new Label(compAdvanced, SWT.NONE);
 396         new Label(compAdvanced, SWT.NONE);
 397
 398         lblEditorVersion = new Label(compAdvanced, SWT.CENTER);
 399         lblEditorVersion.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
 400         lblEditorVersion.setText("Editor Version :");
 401         lblEditorVersion.setFont(SWTResourceManager.getFont("Ubuntu", 9, SWT.NORMAL));
 402
 403         txtEditorVersion = new Text(compAdvanced, SWT.BORDER);
 404         txtEditorVersion.setEnabled(false);
 405         txtEditorVersion.setEditable(false);
 406         txtEditorVersion.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
 407         new Label(compAdvanced, SWT.NONE);
 408         new Label(compAdvanced, SWT.NONE);
 409
 410         lblServerCDMVersion = new Label(compAdvanced, SWT.CENTER);
 411         lblServerCDMVersion.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
 412         lblServerCDMVersion.setText("Server CDM Version :");
 413         lblServerCDMVersion.setFont(SWTResourceManager.getFont("Ubuntu", 9, SWT.NORMAL));
 414
 415         txtServerCDMVersion = new Text(compAdvanced, SWT.BORDER);
 416         txtServerCDMVersion.setEnabled(false);
 417         txtServerCDMVersion.setEditable(false);
 418         txtServerCDMVersion.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
 419         new Label(compAdvanced, SWT.NONE);
 420         new Label(compAdvanced, SWT.NONE);
 421
 422         lblEditorCDMVersion = new Label(compAdvanced, SWT.CENTER);
 423         lblEditorCDMVersion.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
 424         lblEditorCDMVersion.setText("Editor CDM Version :");
 425         lblEditorCDMVersion.setFont(SWTResourceManager.getFont("Ubuntu", 9, SWT.NORMAL));
 426
 427         txtEditorCDMVersion = new Text(compAdvanced, SWT.BORDER);
 428         txtEditorCDMVersion.setEnabled(false);
 429         txtEditorCDMVersion.setEditable(false);
 430         txtEditorCDMVersion.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
 431
 432     }
 433
 434
 435
 436     private void populateCdmServerCombo() {
 437         Job job = new Job("Retrieve Server Instances") {
 438             @Override
 439             protected IStatus run(IProgressMonitor monitor) {
 440                 Display.getDefault().syncExec(new Runnable() {
 441                     @Override
 442                     public void run() {
 443                         for(CdmServerInfo csii : CdmServerInfo.getCdmServers()) {
 444                             csiiMap.put(csii.getName(), csii);
 445                             comboCdmServer.add(csii.getName());
 446                         }
 447                         int serverIndex = -1;
 448                         if(serverName != null) {
 449                             serverIndex = comboCdmServer.indexOf(serverName);
 450                         }
 451                         if(serverIndex == -1) {
 452                             comboCdmServer.select(0);
 453                             autoConnect = false;
 454                         } else {
 455                             comboCdmServer.select(serverIndex);
 456                         }
 457                         CdmRemoteSource devRemoteSource = CdmServerInfo.getDevServerRemoteSource();
 458                         if(devRemoteSource != null) {
 459                             isDevRemoteSource = true;
 460                         }
 461                         refreshCdmServer();
 462                         updatePort();
 463
 464                         if(devRemoteSource != null) {
 465                             String username = System.getProperty("cdm.server.dev.username");
 466                             String password = System.getProperty("cdm.server.dev.password");
 467                             if(username != null && !username.isEmpty() && password != null && !password.isEmpty()) {
 468                                 txtLogin.setText(username);
 469                                 txtPassword.setText(password);
 470                                 CdmStore.connect(devRemoteSource, RemotingLoginDialog.this);
 471                             }
 472                         }
 473                     }
 474                 });
 475                 return Status.OK_STATUS;
 476             }
 477         };
 478         job.schedule();
 479     }
 480
 481
 482     private void refreshCdmServer() {
 483         txtCdmServerStatus.setText(STATUS_CHECKING_AVAILABILITY);
 484         updateSelectedCdmServer();
 485         checkSelectedCdmServer();
 486     }
 487
 488     private void updateSelectedCdmServer() {
 489         int selIndex = comboCdmServer.getSelectionIndex();
 490         if(selIndex != -1) {
 491             selectedCsii = csiiMap.get(comboCdmServer.getItem(selIndex));
 492         }
 493     }
 494
 495     private void updatePort() {
 496         txtPort.setText("");
 497         if(selectedCsii != null) {
 498             txtPort.setText(String.valueOf(selectedCsii.getPort()));
 499         }
 500     }
 501
 502     private int getPort() {
 503         int port = 0;
 504         try {
 505             port = Integer.valueOf(txtPort.getText());
 506         } catch (NumberFormatException nfe) {
 507             setMessage("Port should be an integer");
 508         }
 509         return port;
 510     }
 511
 512     private void checkSelectedCdmServer() {
 513
 514         txtCdmInstanceStatus.setText("");
 515         txtPort.setEditable(false);
 516         txtPort.setEnabled(false);
 517         emptyCredentials();
 518
 519         if(selectedCsii != null) {
 520             if(selectedCsii.isLocalhost()) {
 521                 txtPort.setEditable(true);
 522                 txtPort.setEnabled(true);
 523             }
 524             if(selectedCsii.pingServer()) {
 525                 txtCdmServerStatus.setText(STATUS_AVAILABLE);
 526                 populateCdmInstanceCombo(true);
 527
 528             } else {
 529                 txtCdmServerStatus.setText(STATUS_NOT_AVAILABLE);
 530                 comboCdmInstance.removeAll();
 531             }
 532         }
 533     }
 534
 535
 536     private void populateCdmInstanceCombo(final boolean forceRefresh) {
 537         comboCdmInstance.removeAll();
 538         comboCdmInstance.setEnabled(false);
 539         btnConnect.setEnabled(false);
 540         txtCdmInstanceStatus.setText(STATUS_RETRIEVING);
 541
 542         Job job = new Job("Retrieve Server Instances") {
 543             @Override
 544             protected IStatus run(IProgressMonitor monitor) {
 545                 try {
 546                     if(selectedCsii != null) {
 547                         if(forceRefresh) {
 548                             selectedCsii.refreshInstances();
 549                         }
 550                         final List<CdmInstanceInfo> instances = selectedCsii.getInstances();
 551                         Display.getDefault().asyncExec(new Runnable() {
 552                             @Override
 553                             public void run() {
 554                                 if(!instances.isEmpty()) {
 555                                     for(CdmInstanceInfo cdmInstance : instances) {
 556                                         comboCdmInstance.add(cdmInstance.getName());
 557                                     }
 558                                     int instanceIndex = -1;
 559                                     if(instanceName != null) {
 560                                         instanceIndex = comboCdmInstance.indexOf(instanceName);
 561                                     }
 562                                     if(instanceIndex == -1) {
 563                                         comboCdmInstance.select(0);
 564                                         autoConnect = false;
 565                                     } else {
 566                                         comboCdmInstance.select(instanceIndex);
 567                                     }
 568                                     updateSelectedCdmInstance();
 569                                     checkSelectedCdmInstance();
 570                                     comboCdmInstance.setEnabled(true);
 571                                     if(autoConnect) {
 572                                         connect();
 573                                     }
 574
 575                                 } else {
 576                                     txtCdmInstanceStatus.setText(STATUS_NO_INSTANCES);
 577                                     btnConnect.setEnabled(false);
 578                                 }
 579                             }
 580                         });
 581                     }
 582                 } catch (CDMServerException e) {
 583                     MessagingUtils.warn(getClass(), e);
 584                     Display.getDefault().asyncExec(new Runnable() {
 585                         @Override
 586                         public void run() {
 587                             txtCdmInstanceStatus.setText(STATUS_REMOTING_NOT_ACTIVATED);
 588                             comboCdmInstance.setEnabled(false);
 589                             btnConnect.setEnabled(false);
 590                         }
 591                     });
 592                 }
 593                 return Status.OK_STATUS;
 594             }
 595         };
 596
 597         if(txtCdmServerStatus.getText().equals(STATUS_AVAILABLE) && !isDevRemoteSource) {
 598             // Start the Job
 599             job.schedule();
 600         }
 601
 602     }
 603
 604     private void refreshCdmInstance() {
 605         txtCdmInstanceStatus.setText(STATUS_CHECKING_AVAILABILITY);
 606         updateSelectedCdmInstance();
 607         checkSelectedCdmInstance();
 608     }
 609
 610     private void updateSelectedCdmInstance() {
 611         int selIndex = comboCdmInstance.getSelectionIndex();
 612         if(selIndex != -1) {
 613             selectedCdmInstance = selectedCsii.getInstanceFromName(comboCdmInstance.getItem(selIndex));
 614             if(loadLoginPrefs && !isDevRemoteSource) {
 615                 readPrefCredentials();
 616             }
 617         }
 618     }
 619
 620     private void checkSelectedCdmInstance() {
 621         if(txtCdmServerStatus.getText().equals(STATUS_AVAILABLE)) {
 622             try {
 623                 if(selectedCsii.pingInstance(selectedCdmInstance, getPort())) {
 624                     txtCdmInstanceStatus.setText(STATUS_AVAILABLE);
 625                     btnConnect.setEnabled(true);
 626                 } else {
 627                     txtCdmInstanceStatus.setText(STATUS_NOT_AVAILABLE);
 628                     btnConnect.setEnabled(false);
 629                 }
 630             } catch (Exception e) {
 631                 txtCdmInstanceStatus.setText(STATUS_NOT_AVAILABLE);
 632                 txtCdmInstanceStatus.setToolTipText(e.getMessage());
 633             }
 634         }
 635
 636     }
 637
 638     private void connect() {
 639         checkSelectedCdmInstance();
 640
 641         if(!txtCdmInstanceStatus.getText().equals(STATUS_AVAILABLE)) {
 642             return;
 643         }
 644
 645         ICdmRemoteSource source = selectedCsii.getCdmRemoteSource(selectedCdmInstance, getPort());
 646
 647         if(!validateLogin()) {
 648             return;
 649         }
 650
 651         try {
 652             CdmStore.connect(source, this);
 653         } catch (Exception e) {
 654             // Do not expect anything to go wrong at this point, so we throw a runtime exception
 655             // if any problems
 656             throw new RuntimeException(e);
 657         }
 658
 659     }
 660
 661
 662     public boolean isRememberMe() {
 663         return btnRememberMe.getSelection();
 664     }
 665
 666     private void persistPrefLastServerInstance() {
 667         IEclipsePreferences preferences = ConfigurationScope.INSTANCE.getNode(STORE_PREFERENCES_NODE);
 668         Preferences lastServerInstancePrefs = preferences.node(LAST_SERVER_INSTANCE_NODE);
 669
 670         lastServerInstancePrefs.put(LAST_SERVER_KEY, selectedCsii.getName());
 671         lastServerInstancePrefs.put(LAST_INSTANCE_KEY, selectedCdmInstance.getName());
 672
 673         flushPreferences(lastServerInstancePrefs);
 674     }
 675
 676     private void persistPrefCredentials() {
 677          IEclipsePreferences preferences = ConfigurationScope.INSTANCE.getNode(STORE_PREFERENCES_NODE);
 678          Preferences credentialsPrefs = preferences.node(LOGIN_NODE);
 679          credentialsPrefs.put(getUsernamePrefKey(), txtLogin.getText());
 680          credentialsPrefs.put(getPasswordPrefKey(), txtPassword.getText());
 681          flushPreferences(credentialsPrefs);
 682     }
 683
 684     private void flushPreferences(Preferences prefs) {
 685         try {
 686             prefs.flush();
 687         } catch (BackingStoreException bse) {
 688             setMessage(bse.getMessage());
 689         }
 690     }
 691
 692     private void readPrefCredentials() {
 693         String username, password;
 694         IEclipsePreferences preferences = ConfigurationScope.INSTANCE.getNode(STORE_PREFERENCES_NODE);
 695         Preferences credentialsPrefs = preferences.node(LOGIN_NODE);
 696         username = credentialsPrefs.get(getUsernamePrefKey(), "");
 697         txtLogin.setText(username);
 698         password = credentialsPrefs.get(getPasswordPrefKey(),"");
 699         txtPassword.setText(password);
 700         if(username.isEmpty() || password.isEmpty()) {
 701             autoConnect = false;
 702         }
 703     }
 704
 705     private void readPrefLastServerInstance() {
 706         IEclipsePreferences preferences = ConfigurationScope.INSTANCE.getNode(STORE_PREFERENCES_NODE);
 707         Preferences lastServerInstancePrefs = preferences.node(LAST_SERVER_INSTANCE_NODE);
 708
 709         serverName = lastServerInstancePrefs.get(LAST_SERVER_KEY, null);
 710         instanceName = lastServerInstancePrefs.get(LAST_INSTANCE_KEY, null);
 711     }
 712
 713     private void emptyCredentials() {
 714         txtLogin.setText("");
 715         txtPassword.setText("");
 716     }
 717
 718     private String getUsernamePrefKey() {
 719         return selectedCsii.toString(selectedCdmInstance.getName(), getPort()) + USERNAME_SUFFIX;
 720     }
 721
 722     private String getPasswordPrefKey() {
 723         return selectedCsii.toString(selectedCdmInstance.getName(), getPort()) + PASSWORD_SUFFIX;
 724     }
 725
 726     private boolean validateLogin() {
 727         if(getUsername() == null || getUsername().isEmpty()) {
 728             setMessage("User login cannot be empty");
 729             return false;
 730         }
 731         if(getPassword() == null || getPassword().isEmpty()) {
 732             setMessage("Password cannot be empty");
 733             return false;
 734         }
 735         return true;
 736     }
 737     public String getUsername() {
 738         return txtLogin.getText();
 739     }
 740
 741     public String getPassword() {
 742         return txtPassword.getText();
 743     }
 744
 745     public void setMessage(String message) {
 746         if(message != null && !message.isEmpty()) {
 747             if(message.length() > 60) {
 748                 styledTxtMessage.setToolTipText(message);
 749                 message = message.substring(0, 60) + "...";
 750             }
 751             styledTxtMessage.setText(message);
 752             styledTxtMessage.setVisible(true);
 753             ((GridData)styledTxtMessage.getLayoutData()).exclude = false;
 754             shlConnect.setSize(MIN_WIDTH, MIN_HEIGHT+MESSAGE_HEIGHT);
 755             shlConnect.setMinimumSize(MIN_WIDTH, MIN_HEIGHT+MESSAGE_HEIGHT);
 756         } else {
 757             styledTxtMessage.setText("");
 758             styledTxtMessage.setVisible(false);
 759             ((GridData)styledTxtMessage.getLayoutData()).exclude = true;
 760             shlConnect.setSize(MIN_WIDTH, MIN_HEIGHT);
 761             shlConnect.setMinimumSize(MIN_WIDTH, MIN_HEIGHT);
 762         }
 763         remotingComposite.layout();
 764     }
 765
 766
 767
 768     public void hide(boolean isHidden) {
 769         if(shlConnect != null && shlConnect.getDisplay() != null) {
 770             shlConnect.setVisible(!isHidden);
 771         }
 772     }
 773     public void dispose() {
 774         if(shlConnect != null && shlConnect.getDisplay() != null) {
 775             shlConnect.dispose();
 776         }
 777     }
 778
 779     public void onComplete() {
 780         Display.getDefault().asyncExec(new Runnable() {
 781             @Override
 782             public void run() {
 783                 if(!isDevRemoteSource) {
 784                     if(isRememberMe()) {
 785                         persistPrefCredentials();
 786                     }
 787                     persistPrefLastServerInstance();
 788                 }
 789                 dispose();
 790             }
 791         });
 792     }
 793 }