--- a/ide.ergonomics/arch.xml	Tue Dec 06 20:06:01 2011 +0100
+++ a/ide.ergonomics/arch.xml	Wed Dec 07 11:19:28 2011 +0100
@@ -655,6 +655,12 @@ 
         </api>
     </li>
   </ul>
+  <p>
+      Ergonomics import a special friend contract from projectuiapi module, 
+      they rely on special property change event to be delivered:
+      <api name="willOpenProjects" category="friend" group="property" type="import"
+         url="@org-netbeans-modules-projectuiapi@/architecture-overview.html#property-willOpenProjects"/>.
+  </p>
  </answer>
 
 
--- a/ide.ergonomics/nbproject/project.xml	Tue Dec 06 20:06:01 2011 +0100
+++ a/ide.ergonomics/nbproject/project.xml	Wed Dec 07 11:19:28 2011 +0100
@@ -73,7 +73,7 @@ 
                     <compile-dependency/>
                     <run-dependency>
                         <release-version>1</release-version>
-                        <specification-version>1.32</specification-version>
+                        <specification-version>1.55</specification-version>
                     </run-dependency>
                 </dependency>
                 <dependency>
--- a/ide.ergonomics/src/org/netbeans/modules/ide/ergonomics/fod/FeatureProjectFactory.java	Tue Dec 06 20:06:01 2011 +0100
+++ a/ide.ergonomics/src/org/netbeans/modules/ide/ergonomics/fod/FeatureProjectFactory.java	Wed Dec 07 11:19:28 2011 +0100
@@ -91,6 +91,7 @@ 
 import org.openide.filesystems.FileUtil;
 import org.openide.loaders.DataFolder;
 import org.openide.nodes.FilterNode;
+import org.openide.util.RequestProcessor.Task;
 import org.xml.sax.SAXException;
 
 /**
@@ -264,9 +265,14 @@ 
 
     @Override
     public void run() {
+        final Project[] toCheck = OpenProjects.getDefault().getOpenProjects();
+        checkProjects(toCheck);
+    }
+
+    private void checkProjects(final Project[] toCheck) {
         final List<FeatureInfo> additional = new ArrayList<FeatureInfo>();
         FeatureInfo f = null;
-        for (Project p : OpenProjects.getDefault().getOpenProjects()) {
+        for (Project p : toCheck) {
             Data d = new Data(p.getProjectDirectory(), true);
             for (FeatureInfo info : FeatureManager.features()) {
                 switch (info.isProject(d)) {
@@ -300,6 +306,19 @@ 
 
     @Override
     public void propertyChange(PropertyChangeEvent evt) {
+        if ("willOpenProjects".equals(evt.getPropertyName())) { // NOI18N
+            final Object arr = evt.getNewValue();
+            if (arr instanceof Project[]) {
+                Task t = FeatureManager.getInstance().create(new Runnable() {
+                    @Override
+                    public void run() {
+                        checkProjects((Project[])arr);
+                    }
+                });
+                t.schedule(0);
+                t.waitFinished();
+            }
+        }
         if (OpenProjects.PROPERTY_OPEN_PROJECTS.equals(evt.getPropertyName())) {
             RequestProcessor.Task t = FeatureManager.getInstance().create(this);
             t.schedule(0);
--- a/projectui/src/org/netbeans/modules/project/ui/OpenProjectList.java	Tue Dec 06 20:06:01 2011 +0100
+++ a/projectui/src/org/netbeans/modules/project/ui/OpenProjectList.java	Wed Dec 07 11:19:28 2011 +0100
@@ -137,6 +137,7 @@ 
     
     // Property names
     public static final String PROPERTY_OPEN_PROJECTS = "OpenProjects";
+    public static final String PROPERTY_WILL_OPEN_PROJECTS = "willOpenProjects"; // NOI18N
     public static final String PROPERTY_MAIN_PROJECT = "MainProject";
     public static final String PROPERTY_RECENT_PROJECTS = "RecentProjects";
     public static final String PROPERTY_REPLACE = "ReplaceProject";
@@ -610,6 +611,16 @@ 
         assert !Arrays.asList(projects).contains(null) : "Projects can't be null";
         LOAD.waitFinished();
             
+        pchSupport.firePropertyChange(PROPERTY_WILL_OPEN_PROJECTS, null, projects);
+        for (int i = 0; i < projects.length; i++) {
+            try {
+                projects[i] = ProjectManager.getDefault().findProject(projects[i].getProjectDirectory());
+            } catch (IOException ex) {
+                LOGGER.log(Level.INFO, "Cannot convert " + projects[i].getProjectDirectory(), ex);
+            } catch (IllegalArgumentException ex) {
+                LOGGER.log(Level.INFO, "Cannot convert " + projects[i].getProjectDirectory(), ex);
+            }
+        }
             
         try {
             LOAD.enter();
--- a/projectui/src/org/netbeans/modules/project/ui/OpenProjectsTrampolineImpl.java	Tue Dec 06 20:06:01 2011 +0100
+++ a/projectui/src/org/netbeans/modules/project/ui/OpenProjectsTrampolineImpl.java	Wed Dec 07 11:19:28 2011 +0100
@@ -110,6 +110,9 @@ 
         if ( e.getPropertyName().equals( OpenProjectList.PROPERTY_OPEN_PROJECTS ) ) {        
             pchSupport.firePropertyChange( OpenProjects.PROPERTY_OPEN_PROJECTS, e.getOldValue(), e.getNewValue() );
         }
+        if ( e.getPropertyName().equals( OpenProjectList.PROPERTY_WILL_OPEN_PROJECTS ) ) {        
+            pchSupport.firePropertyChange( OpenProjectList.PROPERTY_WILL_OPEN_PROJECTS, e.getOldValue(), e.getNewValue() );
+        }
         if ( e.getPropertyName().equals( OpenProjectList.PROPERTY_MAIN_PROJECT ) ) {        
             pchSupport.firePropertyChange( OpenProjects.PROPERTY_MAIN_PROJECT, e.getOldValue(), e.getNewValue() );
         }
--- a/projectui/test/unit/src/org/netbeans/modules/project/ui/OpenProjectListTest.java	Tue Dec 06 20:06:01 2011 +0100
+++ a/projectui/test/unit/src/org/netbeans/modules/project/ui/OpenProjectListTest.java	Wed Dec 07 11:19:28 2011 +0100
@@ -174,7 +174,7 @@ 
         assertEquals(1, list.oldCount);
         assertEquals(0, list.newCount);
     }
-
+    
     @RandomlyFails // locally, in 2nd check of f1_1_open
     public void testClose () throws Exception {
         testOpen ();
--- a/projectui/test/unit/src/org/netbeans/modules/project/ui/OpenProjectsTest.java	Tue Dec 06 20:06:01 2011 +0100
+++ a/projectui/test/unit/src/org/netbeans/modules/project/ui/OpenProjectsTest.java	Wed Dec 07 11:19:28 2011 +0100
@@ -130,12 +130,49 @@ 
         assertFalse(Arrays.asList((Project[])e.getNewValue()).contains(testProject));
     }
     
+    public void testPreListenerOpenClose () throws Exception {
+        assertEquals("No project is open.", 0, OpenProjects.getDefault ().getOpenProjects ().length); 
+        class MyListener implements PropertyChangeListener {
+            PropertyChangeEvent preEvent;
+            
+            @Override
+            public void propertyChange(PropertyChangeEvent evt) {
+                if ("willOpenProjects".equals(evt.getPropertyName())) {
+                    assertNull("Only one event expected", preEvent);
+                    preEvent = evt;
+                    assertEquals("No open projects yet", 0, OpenProjects.getDefault().getOpenProjects().length);
+                }
+            }
+        }
+        MyListener list = new MyListener();
+        try {
+            OpenProjects.getDefault().addPropertyChangeListener(list);
+            OpenProjects.getDefault ().open (new Project[] { testProject }, true);
+            assertNotNull("Pre event delivered", list.preEvent);
+            assertNull("No old value", list.preEvent.getOldValue());
+            assertTrue("Array is new value", list.preEvent.getNewValue() instanceof Project[]);
+            Project[] arr = (Project[]) list.preEvent.getNewValue();
+            assertEquals("Length is one", 1, arr.length);
+            assertEquals("Same as our project", testProject, arr[0]);
+
+            list.preEvent = null;
+            OpenProjectList.getDefault().close(new Project[] {testProject}, false);
+            assertNull("No pre-event delivered on close", list.preEvent);
+        } finally {
+            OpenProjects.getDefault().removePropertyChangeListener(list);
+        }
+    }
+
     
     private static final class PropertyChangeListenerImpl implements PropertyChangeListener {
         
         private List<PropertyChangeEvent> events = new ArrayList<PropertyChangeEvent>();
         
+        @Override
         public void propertyChange(PropertyChangeEvent evt) {
+            if ("willOpenProjects".equals(evt.getPropertyName())) {
+                return;
+            }
             events.add(evt);
         }
         
--- a/projectui/test/unit/src/org/netbeans/modules/project/ui/OpenProjectsTrampolineImplTest.java	Tue Dec 06 20:06:01 2011 +0100
+++ a/projectui/test/unit/src/org/netbeans/modules/project/ui/OpenProjectsTrampolineImplTest.java	Wed Dec 07 11:19:28 2011 +0100
@@ -157,7 +157,11 @@ 
         
         List<PropertyChangeEvent> events = new ArrayList<PropertyChangeEvent>();
         
+        @Override
         public void propertyChange( PropertyChangeEvent e ) {
+            if ("willOpenProjects".equals(e.getPropertyName())) {
+                return;
+            }
             events.add( e );
         }
         
--- a/projectuiapi/apichanges.xml	Tue Dec 06 20:06:01 2011 +0100
+++ a/projectuiapi/apichanges.xml	Wed Dec 07 11:19:28 2011 +0100
@@ -107,6 +107,23 @@ 
     <!-- ACTUAL CHANGES BEGIN HERE: -->
 
     <changes>
+        <change id="willOpenProjects">
+            <api name="general"/>
+            <summary>Will open project notification</summary>
+            <version major="1" minor="55"/>
+            <date day="12" month="12" year="2011"/>
+            <author login="jtulach"/>
+            <compatibility addition="yes"/>
+            <description>
+                <p>
+                    A <a href="@TOP@/architecture-summary.html#property-willOpenProjects">
+                    new friend contract</a> added for benefit of ide.ergonomics
+                    module.
+                </p>
+            </description>
+            <class package="org.netbeans.api.project.ui" name="OpenProjects"/>
+            <issue number="203220"/>
+        </change>
         <change id="Templates.definesMainProject">
             <api name="general"/>
             <summary>Added <code>definesMainProject</code> property to wizards</summary>
--- a/projectuiapi/arch.xml	Tue Dec 06 20:06:01 2011 +0100
+++ a/projectuiapi/arch.xml	Wed Dec 07 11:19:28 2011 +0100
@@ -543,7 +543,16 @@ 
 -->
  <answer id="exec-property">
   <p>
-   No.
+   <api name="willOpenProjects" category="friend" group="property" type="export">
+   Since version 1.55 a special <a href="@JDK@/java/beans/PropertyChangeEvent.html">
+   PropertyChangeEvent</a> is generated for benefit of <code>ide.ergonomics</code>
+   module by <a href="@TOP@/org/netbeans/api/project/ui/OpenProjects.html#getDefault()">
+   OpenProjects.getDefault()</a>. The property name of the event is <code>"willOpenProjects"</code>
+   and its new value contains an array of project that will be opened (a type
+   <code>Project[]</code>). Ergonomics module uses this information to enable
+   modules that seem to provide support for technologies used in the about 
+   to be opened projects.
+   </api>
   </p>
  </answer>
 
--- a/projectuiapi/nbproject/project.properties	Tue Dec 06 20:06:01 2011 +0100
+++ a/projectuiapi/nbproject/project.properties	Wed Dec 07 11:19:28 2011 +0100
@@ -42,7 +42,7 @@ 
 
 javac.compilerargs=-Xlint -Xlint:-serial
 javac.source=1.6
-spec.version.base=1.54.0
+spec.version.base=1.55.0
 is.autoload=true
 javadoc.arch=${basedir}/arch.xml
 javadoc.apichanges=${basedir}/apichanges.xml