org.eclipse.linuxtools.lttng.ui.tests/src/org/eclipse/linuxtools/lttng/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.lttng.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.lttng.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
  36     final static public int WAIT_FOR_JOBS_DELAY = 1000;
  37     final static public int GUI_REFESH_DELAY = 500;
  38
  39     final static public String COMMAND_CATEGORY_PREFIX = "org.eclipse.linuxtools.internal.lttng.ui.commands.control."; //$NON-NLS-1$
  40
  41     // ------------------------------------------------------------------------
  42     // Attributes
  43     // ------------------------------------------------------------------------
  44     private static TraceControlTestFacility fInstance = null;
  45     private ControlView fControlView = null;
  46     private boolean fIsInitialized = false;
  47
  48     // ------------------------------------------------------------------------
  49     // Constructors
  50     // ------------------------------------------------------------------------
  51     private TraceControlTestFacility() {
  52     }
  53
  54     // ------------------------------------------------------------------------
  55     // Operations
  56     // ------------------------------------------------------------------------
  57     public static TraceControlTestFacility getInstance() {
  58         if (fInstance == null) {
  59             fInstance = new TraceControlTestFacility();
  60         }
  61         return fInstance;
  62     }
  63
  64     /**
  65      * Initial the test facility.
  66      */
  67     public void init() {
  68
  69         if (!fIsInitialized) {
  70
  71             IViewPart view;
  72             try {
  73                 view = PlatformUI.getWorkbench()
  74                                  .getActiveWorkbenchWindow()
  75                                  .getActivePage()
  76                                  .showView(ControlView.ID);
  77
  78             } catch (PartInitException e) {
  79                 throw new RuntimeException(e);
  80             }
  81
  82             fControlView = (ControlView) view;
  83
  84             delay(3000);
  85             fIsInitialized = true;
  86         }
  87     }
  88
  89
  90     public void dispose() {
  91         if (fIsInitialized) {
  92             waitForJobs();
  93
  94             PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().hideView(fControlView);
  95             fIsInitialized = false;
  96         }
  97     }
  98
  99     public void delay(long waitTimeMillis) {
 100         Display display = Display.getCurrent();
 101         if (display != null) {
 102             long endTimeMillis = System.currentTimeMillis() + waitTimeMillis;
 103             while(System.currentTimeMillis() < endTimeMillis) {
 104                 if (!display.readAndDispatch()) {
 105                     display.sleep();
 106                 }
 107                 display.update();
 108             }
 109         } else {
 110             try {
 111                 Thread.sleep(waitTimeMillis);
 112             } catch (InterruptedException e) {
 113                 // Ignored
 114             }
 115         }
 116     }
 117
 118     /**
 119      * Waits for all Eclipse jobs to finish
 120      */
 121     public void waitForJobs() {
 122         while (!Job.getJobManager().isIdle()) {
 123             delay(WAIT_FOR_JOBS_DELAY);
 124         }
 125     }
 126
 127
 128     /**
 129      * @return current control view
 130      */
 131     public ControlView getControlView() {
 132         return fControlView;
 133     }
 134
 135     public void executeCommand(String commandId) throws ExecutionException, NotDefinedException, NotEnabledException, NotHandledException {
 136 //        ICommandService commandService = (ICommandService) fControlView.getSite().getService(ICommandService.class);
 137         IHandlerService handlerService = (IHandlerService) fControlView.getSite().getService(IHandlerService.class);
 138         handlerService.executeCommand(COMMAND_CATEGORY_PREFIX + commandId, null);
 139     }
 140
 141 }