org.eclipse.linuxtools.lttng2.ui.tests/src/org/eclipse/linuxtools/lttng2/ui/tests/control/model/component/TraceControlTestFacility.java

   1 /*******************************************************************************
   2  * Copyright (c) 2011 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  *******************************************************************************/
  12 package org.eclipse.linuxtools.lttng2.ui.tests.control.model.component;
  13
  14 import org.eclipse.core.commands.ExecutionException;
  15 import org.eclipse.core.commands.NotEnabledException;
  16 import org.eclipse.core.commands.NotHandledException;
  17 import org.eclipse.core.commands.common.NotDefinedException;
  18 import org.eclipse.core.runtime.jobs.Job;
  19 import org.eclipse.linuxtools.internal.lttng2.ui.views.control.ControlView;
  20 import org.eclipse.swt.widgets.Display;
  21 import org.eclipse.ui.IViewPart;
  22 import org.eclipse.ui.PartInitException;
  23 import org.eclipse.ui.PlatformUI;
  24 import org.eclipse.ui.handlers.IHandlerService;
  25
  26 /**
  27  *  Singleton class to facilitate the test cases. Creates UML2SD view and loader objects as well as provides
  28  *  utility methods for interacting with the loader/view.
  29  */
  30 public class TraceControlTestFacility {
  31
  32     // ------------------------------------------------------------------------
  33     // Constants
  34     // ------------------------------------------------------------------------
  35     final static public int WAIT_FOR_JOBS_DELAY = 1000;
  36     final static public int GUI_REFESH_DELAY = 500;
  37
  38     final static public String COMMAND_CATEGORY_PREFIX = "org.eclipse.linuxtools.internal.lttng2.ui.commands.control."; //$NON-NLS-1$
  39
  40     // ------------------------------------------------------------------------
  41     // Attributes
  42     // ------------------------------------------------------------------------
  43     private static TraceControlTestFacility fInstance = null;
  44     private ControlView fControlView = null;
  45     private boolean fIsInitialized = false;
  46
  47     // ------------------------------------------------------------------------
  48     // Constructors
  49     // ------------------------------------------------------------------------
  50     private TraceControlTestFacility() {
  51     }
  52
  53     // ------------------------------------------------------------------------
  54     // Operations
  55     // ------------------------------------------------------------------------
  56     public static TraceControlTestFacility getInstance() {
  57         if (fInstance == null) {
  58             fInstance = new TraceControlTestFacility();
  59         }
  60         return fInstance;
  61     }
  62
  63     /**
  64      * Initial the test facility.
  65      */
  66     public void init() {
  67
  68         if (!fIsInitialized) {
  69
  70             IViewPart view;
  71             try {
  72                 view = PlatformUI.getWorkbench()
  73                                  .getActiveWorkbenchWindow()
  74                                  .getActivePage()
  75                                  .showView(ControlView.ID);
  76
  77             } catch (PartInitException e) {
  78                 throw new RuntimeException(e);
  79             }
  80
  81             fControlView = (ControlView) view;
  82
  83             delay(3000);
  84             fIsInitialized = true;
  85         }
  86     }
  87
  88
  89     public void dispose() {
  90         if (fIsInitialized) {
  91             waitForJobs();
  92
  93             PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().hideView(fControlView);
  94             fIsInitialized = false;
  95         }
  96     }
  97
  98     public void delay(long waitTimeMillis) {
  99         Display display = Display.getCurrent();
 100         if (display != null) {
 101             long endTimeMillis = System.currentTimeMillis() + waitTimeMillis;
 102             while(System.currentTimeMillis() < endTimeMillis) {
 103                 if (!display.readAndDispatch()) {
 104                     display.sleep();
 105                 }
 106                 display.update();
 107             }
 108         } else {
 109             try {
 110                 Thread.sleep(waitTimeMillis);
 111             } catch (InterruptedException e) {
 112                 // Ignored
 113             }
 114         }
 115     }
 116
 117     /**
 118      * Waits for all Eclipse jobs to finish
 119      */
 120     public void waitForJobs() {
 121         while (!Job.getJobManager().isIdle()) {
 122             delay(WAIT_FOR_JOBS_DELAY);
 123         }
 124     }
 125
 126
 127     /**
 128      * @return current control view
 129      */
 130     public ControlView getControlView() {
 131         return fControlView;
 132     }
 133
 134     public void executeCommand(String commandId) throws ExecutionException, NotDefinedException, NotEnabledException, NotHandledException {
 135 //        ICommandService commandService = (ICommandService) fControlView.getSite().getService(ICommandService.class);
 136         IHandlerService handlerService = (IHandlerService) fControlView.getSite().getService(IHandlerService.class);
 137         handlerService.executeCommand(COMMAND_CATEGORY_PREFIX + commandId, null);
 138     }
 139
 140 }