NEW - bug 364155: [api] add a method to retrieve projects in current

active context 
https://bugs.eclipse.org/bugs/show_bug.cgi?id=364155

3 files changed, 101 insertions, 0 deletions

diff --git a/org.eclipse.mylyn.resources.tests/src/org/eclipse/mylyn/resources/tests/AllResourcesTests.java b/org.eclipse.mylyn.resources.tests/src/org/eclipse/mylyn/resources/tests/AllResourcesTests.java
index cba2dfa..175c53f 100644
--- a/org.eclipse.mylyn.resources.tests/src/org/eclipse/mylyn/resources/tests/AllResourcesTests.java
+++ b/org.eclipse.mylyn.resources.tests/src/org/eclipse/mylyn/resources/tests/AllResourcesTests.java
@@ -29,6 +29,7 @@ public class AllResourcesTests {
 		suite.addTestSuite(ResourcePatternExclusionStrategyTest.class);
 		suite.addTestSuite(ResourceModificationDateExclusionStrategyTest.class);
 		suite.addTestSuite(ResourceContextTest.class);
+		suite.addTestSuite(ResourceStructureBridgeTest.class);
 		return suite;
 	}
 
diff --git a/org.eclipse.mylyn.resources.tests/src/org/eclipse/mylyn/resources/tests/ResourceStructureBridgeTest.java b/org.eclipse.mylyn.resources.tests/src/org/eclipse/mylyn/resources/tests/ResourceStructureBridgeTest.java
new file mode 100644
index 0000000..6df1f66
--- a/dev/null
+++ b/org.eclipse.mylyn.resources.tests/src/org/eclipse/mylyn/resources/tests/ResourceStructureBridgeTest.java
@@ -0,0 +1,66 @@
+/*******************************************************************************
+ * Copyright (c) 2011 Manuel Doninger.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Manuel Doninger - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.mylyn.resources.tests;
+
+import java.lang.reflect.InvocationTargetException;
+
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.mylyn.commons.sdk.util.TestProject;
+import org.eclipse.mylyn.context.core.ContextCore;
+import org.eclipse.mylyn.context.sdk.util.AbstractResourceContextTest;
+import org.eclipse.mylyn.context.sdk.util.ContextTestUtil;
+import org.eclipse.mylyn.internal.resources.ui.ResourcesUiBridgePlugin;
+import org.eclipse.mylyn.internal.resources.ui.ResourcesUiPreferenceInitializer;
+
+public class ResourceStructureBridgeTest extends AbstractResourceContextTest {
+
+	@Override
+	protected void setUp() throws Exception {
+		super.setUp();
+//		ResourcesUiBridgePlugin.getDefault().setResourceMonitoringEnabled(true);
+		ResourcesUiBridgePlugin.getInterestUpdater().setSyncExec(true);
+
+		ContextTestUtil.triggerContextUiLazyStart();
+		// disable ResourceModifiedDateExclusionStrategy
+		ResourcesUiBridgePlugin.getDefault()
+				.getPreferenceStore()
+				.setValue(ResourcesUiPreferenceInitializer.PREF_MODIFIED_DATE_EXCLUSIONS, false);
+	}
+
+	public void testGetProjectsInActiveContext() throws CoreException {
+		assertEquals(0, structureBridge.getProjectsInActiveContext().size());
+		IFile testfile1 = project.getProject().getFile("testfile1");
+		testfile1.create(null, true, null);
+		IFile testfile2 = project.getProject().getFile("testfile2");
+		testfile2.create(null, true, null);
+		assertEquals(1, structureBridge.getProjectsInActiveContext().size());
+	}
+
+	public void testGetProjectsInActiveContextWithInvalidProject() throws CoreException, InvocationTargetException,
+			InterruptedException {
+		assertEquals(0, structureBridge.getProjectsInActiveContext().size());
+		IFile testfile1 = project.getProject().getFile("testfile1");
+		testfile1.create(null, true, null);
+		IFile testfile2 = project.getProject().getFile("testfile2");
+		testfile2.create(null, true, null);
+		assertEquals(1, structureBridge.getProjectsInActiveContext().size());
+		TestProject project2 = new TestProject(this.getClass().getName() + "Invalid");
+		IFile testfile3 = project2.getProject().getFile("testfile1");
+		testfile3.create(null, true, null);
+		ContextCore.getContextManager().setContextCapturePaused(true);
+		testfile3.delete(true, null);
+		project2.getProject().delete(true, null);
+		ContextCore.getContextManager().setContextCapturePaused(false);
+		assertEquals(1, structureBridge.getProjectsInActiveContext().size());
+	}
+}
diff --git a/org.eclipse.mylyn.resources.ui/src/org/eclipse/mylyn/internal/resources/ui/ResourceStructureBridge.java b/org.eclipse.mylyn.resources.ui/src/org/eclipse/mylyn/internal/resources/ui/ResourceStructureBridge.java
index a0c0015..d84f814 100644
--- a/org.eclipse.mylyn.resources.ui/src/org/eclipse/mylyn/internal/resources/ui/ResourceStructureBridge.java
+++ b/org.eclipse.mylyn.resources.ui/src/org/eclipse/mylyn/internal/resources/ui/ResourceStructureBridge.java
@@ -7,13 +7,17 @@
  *
  * Contributors:
  *     Tasktop Technologies - initial API and implementation
+ *     Manuel Doninger
  *******************************************************************************/
 
 package org.eclipse.mylyn.internal.resources.ui;
 
 import java.util.ArrayList;
 import java.util.Collections;
+import java.util.HashSet;
+import java.util.LinkedList;
 import java.util.List;
+import java.util.Set;
 
 import org.eclipse.core.internal.resources.Marker;
 import org.eclipse.core.resources.IContainer;
@@ -30,6 +34,8 @@ import org.eclipse.core.runtime.Status;
 import org.eclipse.mylyn.commons.core.StatusHandler;
 import org.eclipse.mylyn.context.core.AbstractContextStructureBridge;
 import org.eclipse.mylyn.context.core.ContextCore;
+import org.eclipse.mylyn.context.core.IInteractionContext;
+import org.eclipse.mylyn.context.core.IInteractionElement;
 import org.eclipse.ui.views.markers.internal.ConcreteMarker;
 
 /**
@@ -233,4 +239,32 @@ public class ResourceStructureBridge extends AbstractContextStructureBridge {
 	public String getContentType(String elementHandle) {
 		return getContentType();
 	}
+
+	public Set<IProject> getProjectsInActiveContext() {
+		IInteractionContext activeContext = ContextCore.getContextManager().getActiveContext();
+		List<IInteractionElement> allElements = activeContext.getAllElements();
+		Set<IProject> projectsInContext = new HashSet<IProject>();
+		IWorkspace workspace = ResourcesPlugin.getWorkspace();
+		List<IProject> projectsInWorkspace = new LinkedList<IProject>();
+
+		for (IProject p : workspace.getRoot().getProjects()) {
+			if (p.exists()) {
+				projectsInWorkspace.add(p);
+			}
+		}
+
+		for (IInteractionElement element : allElements) {
+			String handle = element.getHandleIdentifier();
+			IPath path = new Path(handle);
+
+			if (path.segmentCount() == 1 && path.isValidPath(handle)) {
+				String projectName = handle.substring(1);
+				IProject project = workspace.getRoot().getProject(projectName);
+				if (projectsInWorkspace.contains(project)) {
+					projectsInContext.add(project);
+				}
+			}
+		}
+		return projectsInContext;
+	}
 }