org.eclipse.linuxtools.lttng2.ui/src/org/eclipse/linuxtools/internal/lttng2/ui/views/control/dialogs/CreateSessionDialog.java

   1 /**********************************************************************
   2  * Copyright (c) 2012, 2013 Ericsson
   3  *
   4  * All rights reserved. This program and the accompanying materials are
   5  * made available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *   Bernd Hufmann - Initial API and implementation
  11  *   Bernd Hufmann - Updated for support of LTTng Tools 2.1
  12  **********************************************************************/
  13 package org.eclipse.linuxtools.internal.lttng2.ui.views.control.dialogs;
  14
  15 import org.eclipse.core.runtime.NullProgressMonitor;
  16 import org.eclipse.jface.dialogs.Dialog;
  17 import org.eclipse.jface.dialogs.IDialogConstants;
  18 import org.eclipse.jface.dialogs.MessageDialog;
  19 import org.eclipse.linuxtools.internal.lttng2.ui.Activator;
  20 import org.eclipse.linuxtools.internal.lttng2.ui.views.control.messages.Messages;
  21 import org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.impl.TargetNodeComponent;
  22 import org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.impl.TraceSessionGroup;
  23 import org.eclipse.linuxtools.internal.lttng2.ui.views.control.remote.IRemoteSystemProxy;
  24 import org.eclipse.rse.services.clientserver.messages.SystemMessageException;
  25 import org.eclipse.rse.subsystems.files.core.servicesubsystem.IFileServiceSubSystem;
  26 import org.eclipse.rse.subsystems.files.core.subsystems.IRemoteFile;
  27 import org.eclipse.swt.SWT;
  28 import org.eclipse.swt.custom.CCombo;
  29 import org.eclipse.swt.events.ModifyEvent;
  30 import org.eclipse.swt.events.ModifyListener;
  31 import org.eclipse.swt.events.SelectionAdapter;
  32 import org.eclipse.swt.events.SelectionEvent;
  33 import org.eclipse.swt.graphics.Point;
  34 import org.eclipse.swt.graphics.Rectangle;
  35 import org.eclipse.swt.layout.GridData;
  36 import org.eclipse.swt.layout.GridLayout;
  37 import org.eclipse.swt.widgets.Button;
  38 import org.eclipse.swt.widgets.Composite;
  39 import org.eclipse.swt.widgets.Control;
  40 import org.eclipse.swt.widgets.Group;
  41 import org.eclipse.swt.widgets.Label;
  42 import org.eclipse.swt.widgets.Shell;
  43 import org.eclipse.swt.widgets.Text;
  44
  45 /**
  46  * <p>
  47  * Dialog box for collecting session creation information.
  48  * </p>
  49  *
  50  * @author Bernd Hufmann
  51  */
  52 public class CreateSessionDialog extends Dialog implements ICreateSessionDialog {
  53
  54     // ------------------------------------------------------------------------
  55     // Constants
  56     // ------------------------------------------------------------------------
  57     /**
  58      * The icon file for this dialog box.
  59      */
  60     public static final String CREATE_SESSION_ICON_FILE = "icons/elcl16/add_button.gif"; //$NON-NLS-1$
  61
  62     /**
  63      * Supported network protocols for streaming
  64      */
  65     private enum StreamingProtocol {
  66         /** Default network protocol for IPv4 (TCP)*/
  67         net,
  68         /** Default network protocol for IPv6 (TCP)*/
  69         net6,
  70         /** File */
  71         file,
  72    }
  73
  74     private enum StreamingProtocol2 {
  75         /** Default network protocol for IPv4 (TCP)*/
  76         net,
  77         /** Default network protocol for IPv6 (TCP)*/
  78         net6,
  79         /** TCP network protocol for IPv4*/
  80         tcp,
  81         /** TCP network protocol for IPv6*/
  82         tcp6 }
  83
  84     /**
  85      * Index of last supported streaming protocol for common URL configuration.
  86      */
  87     private final static int COMMON_URL_LAST_INDEX = 1;
  88     /**
  89      *  Index of default streaming protocol.
  90      */
  91     private final static int DEFAULT_URL_INDEX = 0;
  92
  93     // ------------------------------------------------------------------------
  94     // Attributes
  95     // ------------------------------------------------------------------------
  96
  97     private Control fControl = null;
  98     /**
  99      * The dialog composite.
 100      */
 101     private Composite fDialogComposite = null;
 102     /**
 103      * The text widget for the session name
 104      */
 105     private Text fSessionNameText = null;
 106     /**
 107      * The label widget for the session path.
 108      */
 109     private Label fSessionPathLabel = null;
 110     /**
 111      * The text widget for the session path.
 112      */
 113     private Text fSessionPathText = null;
 114     /**
 115      * The Group for stream configuration.
 116      */
 117     private Group fMainStreamingGroup = null;
 118     /**
 119      * The button to show streaming options.
 120      */
 121     private Button fConfigureStreamingButton = null;
 122     /**
 123      * The composite with streaming configuration parameter.
 124      */
 125     private Composite fStreamingComposite = null;
 126     /**
 127      * The text widget for the trace path.
 128      */
 129     private Text fTracePathText = null;
 130     /**
 131      * The button to link data protocol/Address with control protocol.
 132      */
 133     private Button fLinkDataWithControlButton = null;
 134     /**
 135      * The Combo box for channel protocol selection.
 136      */
 137      private CCombo fControlProtocolCombo = null;
 138     /**
 139      * A selection listener that copies the protocol from control to data when being linked.
 140      */
 141     private ControlProtocolSelectionListener fCopyProtocolSelectionListener;
 142     /**
 143      * A selection listener updates the control port text depending on the control protocol selected.
 144      */
 145     private ProtocolComboSelectionListener fControlProtocolSelectionListener;
 146     /**
 147      * A selection listener updates the data port text depending on the data protocol selected.
 148      */
 149     private ProtocolComboSelectionListener fDataProtocolSelectionListener;
 150     /**
 151      * The text box for the host/IP address of the control channel.
 152      */
 153     private Text fControlHostAddressText = null;
 154     /**
 155      * A key listener that copies the host address from control to data when being linked.
 156      */
 157     private CopyModifyListener fControlUrlKeyListener;
 158     /**
 159      * The text box for the control port.
 160      */
 161     private Text fControlPortText = null;
 162     /**
 163      * The Combo box for data protocol selection.
 164      */
 165      private CCombo fDataProtocolCombo = null;
 166     /**
 167      * The text box for the host/IP address of the data channel.
 168      */
 169     private Text fDataHostAddressText = null;
 170     /**
 171      * The text box for the data port.
 172      */
 173     private Text fDataPortText = null;
 174     /**
 175      * The parent where the new node should be added.
 176      */
 177     private TraceSessionGroup fParent = null;
 178     /**
 179      * The session name string.
 180      */
 181     private String fSessionName = null;
 182     /**
 183      * The  session path string.
 184      */
 185     private String fSessionPath = null;
 186     /**
 187      * Flag whether default location (path) shall be used or not
 188      */
 189     private boolean fIsDefaultPath = true;
 190     /**
 191      * Flag whether the trace is streamed or not
 192      */
 193     private boolean fIsStreamedTrace = false;
 194     /**
 195      * The network URL in case control and data is configured together.
 196      * If set, fControlUrl and fDataUrl will be null.
 197      */
 198     private String fNetworkUrl = null;
 199     /**
 200      * The control URL in case control and data is configured separately.
 201      * If set, fDataUrl will be set too and fNetworkUrl will be null.
 202      */
 203     private String fControlUrl = null;
 204     /**
 205      * The data URL in case control and data is configured separately.
 206      * If set, fControlUrl will be set too and fNetworkUrl will be null.
 207      */
 208     private String fDataUrl = null;
 209     /**
 210      * The trace path string.
 211      */
 212     private String fTracePath = null;
 213
 214     // ------------------------------------------------------------------------
 215     // Constructors
 216     // ------------------------------------------------------------------------
 217     /**
 218      * Constructor
 219      * @param shell - a shell for the display of the dialog
 220      */
 221     public CreateSessionDialog(Shell shell) {
 222         super(shell);
 223         setShellStyle(SWT.RESIZE);
 224     }
 225
 226     // ------------------------------------------------------------------------
 227     // Accessors
 228     // ------------------------------------------------------------------------
 229
 230     @Override
 231     public String getSessionName() {
 232         return fSessionName;
 233     }
 234
 235     @Override
 236     public String getSessionPath() {
 237         return fSessionPath;
 238     }
 239
 240     @Override
 241     public boolean isDefaultSessionPath() {
 242         return fIsDefaultPath;
 243     }
 244
 245     @Override
 246     public void initialize(TraceSessionGroup group) {
 247        fParent = group;
 248        fStreamingComposite = null;
 249        fSessionName = null;
 250        fSessionPath = null;
 251        fIsDefaultPath = true;
 252        fIsStreamedTrace = false;
 253        fNetworkUrl = null;
 254        fControlUrl = null;
 255        fDataUrl = null;
 256     }
 257
 258     @Override
 259     public boolean isStreamedTrace() {
 260         return fIsStreamedTrace;
 261     }
 262     @Override
 263     public String getNetworkUrl() {
 264         return fNetworkUrl;
 265     }
 266     @Override
 267     public String getControlUrl() {
 268         return fControlUrl;
 269     }
 270     @Override
 271     public String getDataUrl() {
 272         return fDataUrl;
 273     }
 274
 275     // ------------------------------------------------------------------------
 276     // Operations
 277     // ------------------------------------------------------------------------
 278
 279     @Override
 280     protected Control createContents(Composite parent) {
 281         fControl = super.createContents(parent);
 282
 283         /* set the shell minimum size */
 284         Point clientArea = fControl.computeSize(SWT.DEFAULT, SWT.DEFAULT);
 285         Rectangle trim = getShell().computeTrim(0, 0, clientArea.x, clientArea.y);
 286         getShell().setMinimumSize(trim.width, trim.height);
 287
 288         return fControl;
 289     }
 290
 291     @Override
 292     protected void configureShell(Shell newShell) {
 293         super.configureShell(newShell);
 294         newShell.setText(Messages.TraceControl_CreateSessionDialogTitle);
 295         newShell.setImage(Activator.getDefault().loadIcon(CREATE_SESSION_ICON_FILE));
 296     }
 297
 298     @Override
 299     protected Control createDialogArea(Composite parent) {
 300
 301         // Main dialog panel
 302         fDialogComposite = new Composite(parent, SWT.NONE);
 303         GridLayout layout = new GridLayout(1, true);
 304         fDialogComposite.setLayout(layout);
 305         fDialogComposite.setLayoutData(new GridData(GridData.FILL_BOTH));
 306
 307         Group sessionGroup = new Group(fDialogComposite, SWT.SHADOW_NONE);
 308         sessionGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 309         sessionGroup.setLayout(new GridLayout(4, true));
 310
 311         Label sessionNameLabel = new Label(sessionGroup, SWT.RIGHT);
 312         sessionNameLabel.setText(Messages.TraceControl_CreateSessionNameLabel);
 313         fSessionNameText = new Text(sessionGroup, SWT.NONE);
 314         fSessionNameText.setToolTipText(Messages.TraceControl_CreateSessionNameTooltip);
 315
 316         fSessionPathLabel = new Label(sessionGroup, SWT.RIGHT);
 317         fSessionPathLabel.setText(Messages.TraceControl_CreateSessionPathLabel);
 318         fSessionPathText = new Text(sessionGroup, SWT.NONE);
 319         fSessionPathText.setToolTipText(Messages.TraceControl_CreateSessionPathTooltip);
 320
 321         // layout widgets
 322         GridData data = new GridData(GridData.FILL_HORIZONTAL);
 323         data.horizontalSpan = 3;
 324
 325         fSessionNameText.setLayoutData(data);
 326
 327         data = new GridData(GridData.FILL_HORIZONTAL);
 328         data.horizontalSpan = 3;
 329         fSessionPathText.setLayoutData(data);
 330
 331         if (fParent.isNetworkStreamingSupported()) {
 332             createAdvancedOptionsComposite();
 333         }
 334
 335         return fDialogComposite;
 336     }
 337
 338     private void createAdvancedOptionsComposite() {
 339
 340         fMainStreamingGroup = new Group(fDialogComposite, SWT.SHADOW_NONE);
 341         fMainStreamingGroup.setLayoutData(new GridData(GridData.FILL_BOTH));
 342         fMainStreamingGroup.setLayout(new GridLayout(1, true));
 343
 344         fConfigureStreamingButton = new Button(fMainStreamingGroup, SWT.PUSH);
 345         fConfigureStreamingButton.setText(Messages.TraceControl_CreateSessionConfigureStreamingButtonText + " >>>"); //$NON-NLS-1$
 346         fConfigureStreamingButton.setToolTipText(Messages.TraceControl_CreateSessionConfigureStreamingButtonTooltip);
 347         fConfigureStreamingButton.addSelectionListener(new SelectionAdapter() {
 348             @Override
 349             public void widgetSelected(SelectionEvent e) {
 350                 if (fIsStreamedTrace) {
 351                     fIsStreamedTrace = false;
 352                     fConfigureStreamingButton.setText(">>> " + Messages.TraceControl_CreateSessionConfigureStreamingButtonText); //$NON-NLS-1$
 353                     fConfigureStreamingButton.setToolTipText(Messages.TraceControl_CreateSessionConfigureStreamingButtonTooltip);
 354                     fSessionPathText.setEnabled(true);
 355                     fSessionPathLabel.setText(Messages.TraceControl_CreateSessionPathLabel);
 356                     disposeConfigureStreamingComposite();
 357                 } else {
 358                     fIsStreamedTrace = true;
 359                     fConfigureStreamingButton.setText("<<< " + Messages.TraceControl_CreateSessionNoStreamingButtonText); //$NON-NLS-1$
 360                     fConfigureStreamingButton.setToolTipText(Messages.TraceControl_CreateSessionNoStreamingButtonTooltip);
 361                     fSessionPathText.setEnabled(false);
 362                     fSessionPathText.setText(""); //$NON-NLS-1$
 363                     fSessionPathLabel.setText(""); //$NON-NLS-1$
 364                     createConfigureStreamingComposite();
 365                 }
 366
 367                 fDialogComposite.layout();
 368
 369                 Point clientArea = fControl.computeSize(SWT.DEFAULT, SWT.DEFAULT);
 370                 Rectangle trim = getShell().computeTrim(0, 0, clientArea.x, clientArea.y);
 371                 getShell().setSize(trim.width, trim.height);
 372             }
 373         });
 374     }
 375
 376     private void createConfigureStreamingComposite() {
 377         if (fStreamingComposite == null) {
 378             fStreamingComposite = new Composite(fMainStreamingGroup, SWT.NONE);
 379             GridLayout layout = new GridLayout(1, true);
 380             fStreamingComposite.setLayout(layout);
 381             fStreamingComposite.setLayoutData(new GridData(GridData.FILL_BOTH));
 382
 383             Group urlGroup = new Group(fStreamingComposite, SWT.SHADOW_NONE);
 384             layout = new GridLayout(7, true);
 385             urlGroup.setLayout(layout);
 386             urlGroup.setLayoutData(new GridData(GridData.FILL_BOTH));
 387
 388             Label tracePathLabel = new Label(urlGroup, SWT.RIGHT);
 389             tracePathLabel.setText(Messages.TraceControl_CreateSessionTracePathText);
 390             fTracePathText = new Text(urlGroup, SWT.NONE);
 391             fTracePathText.setToolTipText(Messages.TraceControl_CreateSessionTracePathTooltip);
 392
 393             // layout widgets
 394             GridData data = new GridData(GridData.FILL_HORIZONTAL);
 395             data.horizontalSpan = 6;
 396             fTracePathText.setLayoutData(data);
 397
 398             fLinkDataWithControlButton = new Button(urlGroup, SWT.CHECK);
 399             fLinkDataWithControlButton.setText(Messages.TraceControl_CreateSessionLinkButtonText);
 400             fLinkDataWithControlButton.setToolTipText(Messages.TraceControl_CreateSessionLinkButtonTooltip);
 401             data = new GridData(GridData.FILL_HORIZONTAL);
 402             data.horizontalSpan = 7;
 403             fLinkDataWithControlButton.setLayoutData(data);
 404             fLinkDataWithControlButton.setSelection(true);
 405
 406             Label label = new Label(urlGroup, SWT.NONE);
 407             data = new GridData(GridData.FILL_HORIZONTAL);
 408             data.horizontalSpan = 1;
 409             label.setLayoutData(data);
 410
 411             label = new Label(urlGroup, SWT.NONE);
 412             label.setText(Messages.TraceControl_CreateSessionProtocolLabelText);
 413             data = new GridData(GridData.FILL_HORIZONTAL);
 414             data.horizontalSpan = 1;
 415             label.setLayoutData(data);
 416
 417             label = new Label(urlGroup, SWT.NONE);
 418             label.setText(Messages.TraceControl_CreateSessionAddressLabelText);
 419             data = new GridData(GridData.FILL_HORIZONTAL);
 420             data.horizontalSpan = 4;
 421             label.setLayoutData(data);
 422
 423             label = new Label(urlGroup, SWT.NONE);
 424             label.setText(Messages.TraceControl_CreateSessionPortLabelText);
 425             data = new GridData(GridData.FILL_HORIZONTAL);
 426             data.horizontalSpan = 1;
 427             label.setLayoutData(data);
 428
 429             label = new Label(urlGroup, SWT.RIGHT);
 430             label.setText(Messages.TraceControl_CreateSessionControlUrlLabel);
 431             data = new GridData(GridData.FILL_HORIZONTAL);
 432             data.horizontalSpan = 1;
 433             label.setLayoutData(data);
 434
 435             fControlProtocolCombo = new CCombo(urlGroup, SWT.READ_ONLY);
 436             fControlProtocolCombo.setToolTipText(Messages.TraceControl_CreateSessionCommonProtocolTooltip);
 437             data = new GridData(GridData.FILL_HORIZONTAL);
 438             data.horizontalSpan = 1;
 439             fControlProtocolCombo.setLayoutData(data);
 440
 441             fControlHostAddressText = new Text(urlGroup, SWT.NONE);
 442             fControlHostAddressText.setToolTipText(Messages.TraceControl_CreateSessionControlAddressTooltip);
 443             data = new GridData(GridData.FILL_HORIZONTAL);
 444             data.horizontalSpan = 4;
 445             fControlHostAddressText.setLayoutData(data);
 446
 447             fControlPortText = new Text(urlGroup, SWT.NONE);
 448             fControlPortText.setToolTipText(Messages.TraceControl_CreateSessionControlPortTooltip);
 449             data = new GridData(GridData.FILL_HORIZONTAL);
 450             data.horizontalSpan = 1;
 451             fControlPortText.setLayoutData(data);
 452
 453             label = new Label(urlGroup, SWT.RIGHT);
 454             label.setText(Messages.TraceControl_CreateSessionDataUrlLabel);
 455             data = new GridData(GridData.FILL_HORIZONTAL);
 456             data.horizontalSpan = 1;
 457             label.setLayoutData(data);
 458
 459             fDataProtocolCombo = new CCombo(urlGroup, SWT.READ_ONLY);
 460             fDataProtocolCombo.setEnabled(false);
 461             fDataProtocolCombo.setToolTipText(Messages.TraceControl_CreateSessionProtocolTooltip);
 462             data = new GridData(GridData.FILL_HORIZONTAL);
 463             data.horizontalSpan = 1;
 464             fDataProtocolCombo.setLayoutData(data);
 465
 466             String items[] = new String[StreamingProtocol.values().length];
 467             for (int i = 0; i < items.length; i++) {
 468                 items[i] = StreamingProtocol.values()[i].name();
 469             }
 470             fControlProtocolCombo.setItems(items);
 471             fDataProtocolCombo.setItems(items);
 472
 473             fDataHostAddressText = new Text(urlGroup, SWT.NONE);
 474             fDataHostAddressText.setEnabled(false);
 475             fDataHostAddressText.setToolTipText(Messages.TraceControl_CreateSessionDataAddressTooltip);
 476             data = new GridData(GridData.FILL_HORIZONTAL);
 477             data.horizontalSpan = 4;
 478             fDataHostAddressText.setLayoutData(data);
 479
 480             fDataPortText = new Text(urlGroup, SWT.NONE);
 481             fDataPortText.setEnabled(true);
 482             fDataPortText.setToolTipText(Messages.TraceControl_CreateSessionDataPortTooltip);
 483             data = new GridData(GridData.FILL_HORIZONTAL);
 484             data.horizontalSpan = 1;
 485             fDataPortText.setLayoutData(data);
 486
 487             fCopyProtocolSelectionListener = new ControlProtocolSelectionListener();
 488             fControlProtocolSelectionListener = new ProtocolComboSelectionListener(fControlProtocolCombo, fControlPortText);
 489             fDataProtocolSelectionListener = new ProtocolComboSelectionListener(fDataProtocolCombo, fDataPortText);
 490
 491             fControlProtocolCombo.addSelectionListener(fCopyProtocolSelectionListener);
 492
 493             fControlUrlKeyListener = new CopyModifyListener(fControlHostAddressText, fDataHostAddressText);
 494             fControlHostAddressText.addModifyListener(fControlUrlKeyListener);
 495
 496             fControlProtocolCombo.select(DEFAULT_URL_INDEX);
 497             fDataProtocolCombo.select(DEFAULT_URL_INDEX);
 498
 499             fLinkDataWithControlButton.addSelectionListener(new SelectionAdapter() {
 500                 @Override
 501                 public void widgetSelected(SelectionEvent e) {
 502                     if (fLinkDataWithControlButton.getSelection()) {
 503                         // Set enablement control data channel inputs
 504                         fDataProtocolCombo.setEnabled(false);
 505                         fDataHostAddressText.setEnabled(false);
 506                         fControlPortText.setEnabled(true);
 507                         fDataPortText.setEnabled(true);
 508
 509                         // Update listeners
 510                         fControlProtocolCombo.removeSelectionListener(fControlProtocolSelectionListener);
 511                         fDataProtocolCombo.removeSelectionListener(fDataProtocolSelectionListener);
 512                         fControlProtocolCombo.addSelectionListener(fCopyProtocolSelectionListener);
 513                         fControlHostAddressText.addModifyListener(fControlUrlKeyListener);
 514
 515                         // Get previous selection and validate
 516                         int currentSelection = fControlProtocolCombo.getSelectionIndex() <= COMMON_URL_LAST_INDEX ?
 517                                 fControlProtocolCombo.getSelectionIndex() : DEFAULT_URL_INDEX;
 518
 519                         // Update combo box items
 520                         fControlProtocolCombo.removeAll();
 521                         String[] controlItems = new String[StreamingProtocol.values().length];
 522                         for (int i = 0; i < controlItems.length; i++) {
 523                             controlItems[i] = StreamingProtocol.values()[i].name();
 524                         }
 525                         fControlProtocolCombo.setItems(controlItems);
 526                         fDataProtocolCombo.setItems(controlItems);
 527
 528                         // Set selection
 529                         fControlProtocolCombo.select(currentSelection);
 530                         fDataProtocolCombo.select(currentSelection);
 531                         fDataHostAddressText.setText(fControlHostAddressText.getText());
 532
 533                         // Update tool tips
 534                         fControlProtocolCombo.setToolTipText(Messages.TraceControl_CreateSessionCommonProtocolTooltip);
 535                     } else {
 536                         // Enable data channel inputs
 537                         fDataProtocolCombo.setEnabled(true);
 538                         fDataHostAddressText.setEnabled(true);
 539
 540                         // Update listeners
 541                         fControlProtocolCombo.removeSelectionListener(fCopyProtocolSelectionListener);
 542                         fControlProtocolCombo.addSelectionListener(fControlProtocolSelectionListener);
 543                         fDataProtocolCombo.addSelectionListener(fDataProtocolSelectionListener);
 544                         fControlHostAddressText.removeModifyListener(fControlUrlKeyListener);
 545
 546                         // Update combo box items
 547                         int currentSelection = fControlProtocolCombo.getSelectionIndex();
 548                         fControlProtocolCombo.removeAll();
 549                         String[] controlItems = new String[StreamingProtocol2.values().length];
 550                         for (int i = 0; i < controlItems.length; i++) {
 551                             controlItems[i] = StreamingProtocol2.values()[i].name();
 552                         }
 553                         fControlProtocolCombo.setItems(controlItems);
 554                         fDataProtocolCombo.setItems(controlItems);
 555
 556                         // Set selection
 557                         fControlProtocolCombo.select(currentSelection);
 558                         fDataProtocolCombo.select(currentSelection);
 559
 560                         // Update tool tips
 561                         fDataProtocolCombo.setToolTipText(Messages.TraceControl_CreateSessionProtocolTooltip);
 562                         fControlProtocolCombo.setToolTipText(Messages.TraceControl_CreateSessionProtocolTooltip);
 563
 564                         // Update control/data port enablement and input
 565                         if (fControlProtocolCombo.getItem(fControlProtocolCombo.getSelectionIndex()).equals(StreamingProtocol.net.name()) ||
 566                                 fControlProtocolCombo.getItem(fControlProtocolCombo.getSelectionIndex()).equals(StreamingProtocol.net6.name())) {
 567                             fControlPortText.setText(""); //$NON-NLS-1$
 568                             fControlPortText.setEnabled(false);
 569                         } else {
 570                             fControlPortText.setEnabled(true);
 571                         }
 572
 573                         if (fDataProtocolCombo.getItem(fDataProtocolCombo.getSelectionIndex()).equals(StreamingProtocol.net.name()) ||
 574                                 fDataProtocolCombo.getItem(fDataProtocolCombo.getSelectionIndex()).equals(StreamingProtocol.net6.name())) {
 575                             fDataPortText.setText(""); //$NON-NLS-1$
 576                             fDataPortText.setEnabled(false);
 577                         } else {
 578                             fDataPortText.setEnabled(true);
 579                         }
 580                     }
 581                 }
 582             });
 583         }
 584     }
 585
 586     private void disposeConfigureStreamingComposite() {
 587         if (fStreamingComposite != null) {
 588             fStreamingComposite.dispose();
 589             fStreamingComposite = null;
 590         }
 591     }
 592
 593     @Override
 594     protected void createButtonsForButtonBar(Composite parent) {
 595         createButton(parent, IDialogConstants.CANCEL_ID, "&Cancel", true); //$NON-NLS-1$
 596         createButton(parent, IDialogConstants.OK_ID, "&Ok", true); //$NON-NLS-1$
 597     }
 598
 599     @Override
 600     protected void okPressed() {
 601         // Validate input data
 602         fSessionName = fSessionNameText.getText();
 603         fSessionPath = fSessionPathText.getText();
 604
 605         if (!"".equals(fSessionPath)) { //$NON-NLS-1$
 606             // validate sessionPath
 607             if (!fIsStreamedTrace) {
 608                 TargetNodeComponent node = (TargetNodeComponent)fParent.getParent();
 609                 IRemoteSystemProxy proxy = node.getRemoteSystemProxy();
 610                 IFileServiceSubSystem fsss = proxy.getFileServiceSubSystem();
 611                 if (fsss != null) {
 612                     try {
 613                         IRemoteFile remoteFolder = fsss.getRemoteFileObject(fSessionPath, new NullProgressMonitor());
 614                         if (remoteFolder.exists()) {
 615                             MessageDialog.openError(getShell(),
 616                                     Messages.TraceControl_CreateSessionDialogTitle,
 617                                     Messages.TraceControl_SessionPathAlreadyExistsError + " (" + fSessionPath + ") \n");  //$NON-NLS-1$ //$NON-NLS-2$
 618                             return;
 619                         }
 620                     } catch (SystemMessageException e) {
 621                         MessageDialog.openError(getShell(),
 622                                 Messages.TraceControl_CreateSessionDialogTitle,
 623                                 Messages.TraceControl_FileSubSystemError + "\n" + e);  //$NON-NLS-1$
 624                         return;
 625                     }
 626                 }
 627             }
 628             fIsDefaultPath = false;
 629         }
 630
 631         fNetworkUrl = null;
 632         fControlUrl = null;
 633         fDataUrl = null;
 634
 635         if (fIsStreamedTrace) {
 636             // Validate input data
 637             fTracePath = fTracePathText.getText();
 638
 639             if (fControlProtocolCombo.getSelectionIndex() < 0) {
 640                 MessageDialog.openError(getShell(),
 641                         Messages.TraceControl_CreateSessionDialogTitle,
 642                         "Control Protocol Text is empty\n");  //$NON-NLS-1$
 643                 return;
 644             }
 645
 646             if ("".equals(fControlHostAddressText.getText())) { //$NON-NLS-1$
 647                 MessageDialog.openError(getShell(),
 648                         Messages.TraceControl_CreateSessionDialogTitle,
 649                         "Control Address Text is empty\n");  //$NON-NLS-1$
 650                 return;
 651             }
 652
 653             if(!fLinkDataWithControlButton.getSelection()) {
 654                 if (fDataProtocolCombo.getSelectionIndex() < 0) {
 655                     MessageDialog.openError(getShell(),
 656                             Messages.TraceControl_CreateSessionDialogTitle,
 657                             "Control Protocol Text is empty\n");  //$NON-NLS-1$
 658                     return;
 659                 }
 660
 661                 if ("".equals(fDataHostAddressText.getText())) { //$NON-NLS-1$
 662                     MessageDialog.openError(getShell(),
 663                             Messages.TraceControl_CreateSessionDialogTitle,
 664                             "Control Address Text is empty\n");  //$NON-NLS-1$
 665                     return;
 666                 }
 667
 668                 fControlUrl = getUrlString(fControlProtocolCombo.getItem(fControlProtocolCombo.getSelectionIndex()),
 669                         fControlHostAddressText.getText(),
 670                         fControlPortText.getText(),
 671                         null,
 672                         fTracePath);
 673
 674                 fDataUrl = getUrlString(fControlProtocolCombo.getItem(fDataProtocolCombo.getSelectionIndex()),
 675                         fDataHostAddressText.getText(),
 676                         null,
 677                         fDataPortText.getText(),
 678                         fTracePath);
 679             } else {
 680                 fNetworkUrl = getUrlString(fControlProtocolCombo.getItem(fDataProtocolCombo.getSelectionIndex()),
 681                         fControlHostAddressText.getText(),
 682                         fControlPortText.getText(),
 683                         fDataPortText.getText(),
 684                         fTracePath);
 685             }
 686         }
 687
 688         // Check for invalid names
 689         if (!"".equals(fSessionName) && !fSessionName.matches("^[a-zA-Z0-9\\-\\_]{1,}$")) { //$NON-NLS-1$ //$NON-NLS-2$
 690             MessageDialog.openError(getShell(),
 691                     Messages.TraceControl_CreateSessionDialogTitle,
 692                     Messages.TraceControl_InvalidSessionNameError + " (" + fSessionName + ") \n");  //$NON-NLS-1$ //$NON-NLS-2$
 693             return;
 694         }
 695
 696         // Check if node with name already exists in parent
 697         if(fParent.containsChild(fSessionName)) {
 698             MessageDialog.openError(getShell(),
 699                     Messages.TraceControl_CreateSessionDialogTitle,
 700                     Messages.TraceControl_SessionAlreadyExistsError + " (" + fSessionName + ")");  //$NON-NLS-1$ //$NON-NLS-2$
 701             return;
 702         }
 703
 704         // validation successful -> call super.okPressed()
 705         super.okPressed();
 706     }
 707
 708     private static String getUrlString(String proto, String host, String ctrlPort, String dataPort, String sessionPath) {
 709         //proto://[HOST|IP][:PORT1[:PORT2]][/TRACE_PATH]
 710         StringBuilder stringBuilder = new StringBuilder();
 711         stringBuilder.append(proto);
 712         stringBuilder.append("://"); //$NON-NLS-1$
 713         stringBuilder.append(host);
 714
 715         if ((ctrlPort != null) && (!"".equals(ctrlPort))) { //$NON-NLS-1$
 716             stringBuilder.append(":"); //$NON-NLS-1$
 717             stringBuilder.append(ctrlPort);
 718         }
 719
 720         if ((dataPort != null) && (!"".equals(dataPort))) { //$NON-NLS-1$
 721             stringBuilder.append(":"); //$NON-NLS-1$
 722             stringBuilder.append(dataPort);
 723         }
 724
 725         if ((sessionPath != null) && (!"".equals(sessionPath))) { //$NON-NLS-1$
 726             stringBuilder.append("/"); //$NON-NLS-1$
 727             stringBuilder.append(sessionPath);
 728         }
 729         return stringBuilder.toString();
 730     }
 731
 732     private static class CopyModifyListener implements ModifyListener {
 733         private Text fSource;
 734         private Text fDestination;
 735
 736         public CopyModifyListener(Text source, Text destination) {
 737             fSource = source;
 738             fDestination = destination;
 739         }
 740
 741         @Override
 742         public void modifyText(ModifyEvent e) {
 743             fDestination.setText(fSource.getText());
 744         }
 745     }
 746
 747     private class ControlProtocolSelectionListener extends SelectionAdapter {
 748
 749         @Override
 750         public void widgetSelected(SelectionEvent e) {
 751             fDataProtocolCombo.select(fControlProtocolCombo.getSelectionIndex());
 752             if (fControlProtocolCombo.getItem(fControlProtocolCombo.getSelectionIndex()).equals(StreamingProtocol.file.name())) {
 753                 fControlPortText.setText(""); //$NON-NLS-1$
 754                 fDataPortText.setText(""); //$NON-NLS-1$
 755                 fControlPortText.setEnabled(false);
 756                 fDataPortText.setEnabled(false);
 757             } else {
 758                 fControlPortText.setEnabled(true);
 759                 fDataPortText.setEnabled(true);
 760             }
 761         }
 762     }
 763
 764     private class ProtocolComboSelectionListener extends SelectionAdapter {
 765
 766         private CCombo fCombo;
 767         private Text fPortText;
 768
 769         public ProtocolComboSelectionListener(CCombo combo, Text portText) {
 770             fCombo = combo;
 771             fPortText = portText;
 772         }
 773
 774         @Override
 775         public void widgetSelected(SelectionEvent e) {
 776             if (fCombo.getItem(fCombo.getSelectionIndex()).equals(StreamingProtocol.net.name()) ||
 777                     fCombo.getItem(fCombo.getSelectionIndex()).equals(StreamingProtocol.net6.name())) {
 778                 fPortText.setText(""); //$NON-NLS-1$
 779                 fPortText.setEnabled(false);
 780             } else {
 781                 fPortText.setEnabled(true);
 782             }
 783         }
 784     }
 785
 786 }