Target Explorer: Fix an endless loop

1 files changed, 405 insertions, 405 deletions

diff --git a/target_explorer/plugins/org.eclipse.tcf.te.launch.ui/src/org/eclipse/tcf/te/launch/ui/selection/LaunchSelectionManager.java b/target_explorer/plugins/org.eclipse.tcf.te.launch.ui/src/org/eclipse/tcf/te/launch/ui/selection/LaunchSelectionManager.java
index 3543a4216..ecf638082 100644
--- a/target_explorer/plugins/org.eclipse.tcf.te.launch.ui/src/org/eclipse/tcf/te/launch/ui/selection/LaunchSelectionManager.java
+++ b/target_explorer/plugins/org.eclipse.tcf.te.launch.ui/src/org/eclipse/tcf/te/launch/ui/selection/LaunchSelectionManager.java
@@ -1,405 +1,405 @@
-/*******************************************************************************

- * Copyright (c) 2012 Wind River Systems, Inc. and others. 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:

- * Wind River Systems - initial API and implementation

- *******************************************************************************/

-package org.eclipse.tcf.te.launch.ui.selection;

-

-import java.io.File;

-import java.io.IOException;

-import java.util.ArrayList;

-import java.util.HashMap;

-import java.util.HashSet;

-import java.util.List;

-import java.util.Map;

-import java.util.Map.Entry;

-import java.util.Set;

-

-import org.eclipse.cdt.utils.elf.Elf.Attribute;

-import org.eclipse.core.resources.IFile;

-import org.eclipse.core.resources.IProject;

-import org.eclipse.core.resources.IResource;

-import org.eclipse.core.runtime.IAdaptable;

-import org.eclipse.core.runtime.IPath;

-import org.eclipse.core.runtime.IStatus;

-import org.eclipse.core.runtime.Platform;

-import org.eclipse.core.runtime.Status;

-import org.eclipse.debug.core.ILaunchConfigurationType;

-import org.eclipse.jface.viewers.ISelection;

-import org.eclipse.jface.viewers.IStructuredSelection;

-import org.eclipse.osgi.util.NLS;

-import org.eclipse.tcf.te.core.cdt.elf.ElfUtils;

-import org.eclipse.tcf.te.launch.core.selection.LaunchSelection;

-import org.eclipse.tcf.te.launch.core.selection.ProjectSelectionContext;

-import org.eclipse.tcf.te.launch.core.selection.RemoteSelectionContext;

-import org.eclipse.tcf.te.launch.core.selection.interfaces.ILaunchSelection;

-import org.eclipse.tcf.te.launch.core.selection.interfaces.ISelectionContext;

-import org.eclipse.tcf.te.launch.ui.activator.UIPlugin;

-import org.eclipse.tcf.te.launch.ui.model.LaunchNode;

-import org.eclipse.tcf.te.launch.ui.nls.Messages;

-import org.eclipse.tcf.te.runtime.model.interfaces.IModelNode;

-import org.eclipse.tcf.te.runtime.model.interfaces.IModelNodeProvider;

-import org.eclipse.tcf.te.runtime.services.ServiceManager;

-import org.eclipse.tcf.te.runtime.services.interfaces.IPropertiesAccessService;

-import org.eclipse.ui.IWorkbenchWindow;

-import org.eclipse.ui.PlatformUI;

-

-/**

- * Launch selection manager implementation.

- */

-public class LaunchSelectionManager {

-	/**

-	 * Part id: Target Explorer view

-	 */

-	public static final String PART_ID_TE_VIEW = "org.eclipse.tcf.te.ui.views.View"; //$NON-NLS-1$

-

-	/**

-	 * Part id: Project Explorer view

-	 */

-	public static final String PART_ID_PROJECT_VIEW = "org.eclipse.ui.navigator.ProjectExplorer"; //$NON-NLS-1$

-

-	/**

-	 * Part id: Debug view

-	 */

-	public static final String PART_ID_DEBUG_VIEW = "org.eclipse.debug.ui.DebugView"; //$NON-NLS-1$

-

-	// Remember the last remote context and project selections.

-	// <p>

-	// Some operations to determine the corresponding selection contexts may consume

-	// a lot of time. Avoid to redo them if not really needed.

-	private IStructuredSelection lastRemoteCtxInputSelection = null;

-	private Map<IModelNode, Set<IModelNode>> lastRemoteCtxOutputSelections = null;

-	private IStructuredSelection lastProjectInputSelection = null;

-	private long lastProjectHash = 0;

-	private Map<IProject, Set<IPath>> lastProjectOutputSelections = null;

-

-	/*

-	 * Thread save singleton instance creation.

-	 */

-	private static class LazyInstanceHolder {

-		public static LaunchSelectionManager instance = new LaunchSelectionManager();

-	}

-

-	/**

-	 * Returns the singleton instance for the manager.

-	 */

-	public static LaunchSelectionManager getInstance() {

-		return LazyInstanceHolder.instance;

-	}

-

-	/**

-	 * Constructor.

-	 */

-	LaunchSelectionManager() {

-	}

-

-	/**

-	 * Returns a launch selection for the given launch mode and a preferred part.

-	 *

-	 * @param type The launch configuration type or <code>null</code>, to determine defaults.

-	 * @param mode The launch mode to generate the launch selection for.

-	 * @param preferredPartId The part id whose selections should be preferred. Can be <code>null</code>.

-	 * @return A launch selection.

-	 */

-	public ILaunchSelection getLaunchSelection(ILaunchConfigurationType type, String mode, String preferredPartId) {

-		return new LaunchSelection(mode, getSelectionContexts(type, mode, preferredPartId));

-	}

-

-	private ISelectionContext[] getSelectionContexts(ILaunchConfigurationType type, String mode, String preferredPartId) {

-		List<ISelectionContext> contexts = new ArrayList<ISelectionContext>();

-

-		// Get the selected remote contexts

-		contexts.addAll(getSelectionContextsFor(PART_ID_TE_VIEW, type, mode, PART_ID_TE_VIEW.equalsIgnoreCase(preferredPartId)));

-

-		// Get the selected project contexts

-		contexts.addAll(getSelectionContextsFor(PART_ID_PROJECT_VIEW, type, mode, PART_ID_PROJECT_VIEW.equalsIgnoreCase(preferredPartId)));

-

-		return contexts.toArray(new ISelectionContext[contexts.size()]);

-	}

-

-	public List<ISelectionContext> getSelectionContextsFor(String partId, ILaunchConfigurationType type, String mode, boolean preferedPart) {

-		List<ISelectionContext> contexts = new ArrayList<ISelectionContext>();

-

-		if (PART_ID_TE_VIEW.equalsIgnoreCase(partId)) {

-			// Get the selected remote contexts

-			Map<IModelNode, Set<IModelNode>> remoteCtxSelections = getRemoteCtxSelections(getPartSelection(PART_ID_TE_VIEW));

-

-			for (Entry<IModelNode, Set<IModelNode>> remoteCtx : remoteCtxSelections.entrySet()) {

-				contexts.add(new RemoteSelectionContext(remoteCtx.getKey(), remoteCtx.getValue().toArray(), preferedPart));

-			}

-		}

-		else if (PART_ID_PROJECT_VIEW.equalsIgnoreCase(partId)) {

-

-			// Get the selected project contexts

-			Map<IProject, Set<IPath>> projectSelections = getProjectSelections(getPartSelection(PART_ID_PROJECT_VIEW), true);

-			for (Entry<IProject, Set<IPath>> prj : projectSelections.entrySet()) {

-				contexts.add(new ProjectSelectionContext(prj.getKey(), prj.getValue().toArray(), preferedPart));

-			}

-		}

-

-		return contexts;

-	}

-

-	/**

-	 * Analyze the given UI selection and extract the remote context selection from it.

-	 *

-	 * @param structSel The UI selection or <code>null</code>.

-	 * @return The remote context selections or an empty map.

-	 */

-	private Map<IModelNode, Set<IModelNode>> getRemoteCtxSelections(IStructuredSelection structSel) {

-		if (structSel != null && structSel.equals(lastRemoteCtxInputSelection) && lastRemoteCtxOutputSelections != null) {

-			return lastRemoteCtxOutputSelections;

-		}

-

-		Map<IModelNode, Set<IModelNode>> remoteCtxSelections = new HashMap<IModelNode, Set<IModelNode>>();

-		if (structSel != null && !structSel.isEmpty()) {

-			for (Object sel : structSel.toArray()) {

-				IModelNode remoteCtx = null;

-				IModelNode node = null;

-

-				if (sel instanceof LaunchNode && ((LaunchNode)sel).getModel().getModelRoot() instanceof IModelNode) {

-					node = (IModelNode)((LaunchNode)sel).getModel().getModelRoot();

-				}

-				else if (sel instanceof IModelNodeProvider) {

-					node = ((IModelNodeProvider)sel).getModelNode();

-				} else if (sel instanceof IModelNode) {

-					node = (IModelNode)sel;

-				}

-

-				if (node != null) {

-					IPropertiesAccessService service = ServiceManager.getInstance().getService(node, IPropertiesAccessService.class);

-					if (service != null) {

-						remoteCtx = node;

-						IModelNode parent = (IModelNode)service.getParent(node);

-						while (parent != null) {

-							remoteCtx = parent;

-							parent = (IModelNode)service.getParent(node);

-						}

-					}

-				}

-

-				Set<IModelNode> nodes;

-				if (remoteCtx != null) {

-					if (!remoteCtxSelections.containsKey(remoteCtx)) {

-						nodes = new HashSet<IModelNode>();

-						remoteCtxSelections.put(remoteCtx, nodes);

-					}

-					else {

-						nodes = remoteCtxSelections.get(remoteCtx);

-					}

-					if (node != null) {

-						nodes.add(node);

-					}

-				}

-			}

-		}

-

-		lastRemoteCtxInputSelection = structSel;

-		lastRemoteCtxOutputSelections = remoteCtxSelections;

-

-		return lastRemoteCtxOutputSelections;

-	}

-

-	/**

-	 * Calculates a hash code based on the determined projects of

-	 * the given UI selection.

-	 *

-	 * @param structSel The UI selection or <code>null</code>.

-	 * @return The calculated hash code.

-	 */

-	private long getProjectHash(IStructuredSelection structSel) {

-		long hash = 0;

-		if (structSel != null) {

-			List<IProject> projects = new ArrayList<IProject>();

-			for (Object sel : structSel.toArray()) {

-				IProject prj = null;

-				IResource resource = null;

-

-				if (sel instanceof LaunchNode && ((LaunchNode)sel).getModel().getModelRoot() instanceof IResource) {

-					sel = ((LaunchNode)sel).getModel().getModelRoot();

-				}

-

-				// If the selection is not an IResource itself, try to adapt to it.

-				// This will possibly trigger an plugin activation on loadAdapter(...).

-				if (sel instanceof IProject) {

-					prj = (IProject)sel;

-				}

-				else {

-					if (sel instanceof IResource) {

-						resource = (IResource)sel;

-					}

-					else if (sel instanceof IAdaptable) {

-						resource = (IResource)((IAdaptable)sel).getAdapter(IResource.class);

-					}

-					else {

-						resource = (IResource)Platform.getAdapterManager().loadAdapter(sel, IResource.class.getName());

-					}

-

-					// Get the project from the resource

-					prj = resource != null ? resource.getProject() : null;

-				}

-

-				// If the project could be determined, add the project's

-				// hash code to the cumulative hash code.

-				if (prj != null && !projects.contains(prj)) {

-					projects.add(prj);

-					hash += prj.hashCode();

-				}

-				else {

-					hash += sel.hashCode();

-				}

-			}

-

-			projects.clear();

-		}

-		return hash;

-	}

-

-	/**

-	 * Analyze the given UI selection and extract the project selection from it.

-	 *

-	 * @param structSel The UI selection or <code>null</code>.

-	 * @param storeToCache If <code>true</code> the project selection will be cached.

-	 *

-	 * @return The project context selection or an empty map.

-	 */

-	public Map<IProject, Set<IPath>> getProjectSelections(IStructuredSelection selection, boolean storeToCache) {

-		long projectHash = 0;

-		if (selection != null && selection.equals(lastProjectInputSelection) &&

-						lastProjectOutputSelections != null) {

-			projectHash = getProjectHash(selection);

-			if (lastProjectHash == 0 || lastProjectHash == projectHash) {

-				return lastProjectOutputSelections;

-			}

-		}

-

-		Map<IProject, Set<IPath>> projectSelections = new HashMap<IProject, Set<IPath>>();

-		if (selection != null && !selection.isEmpty()) {

-			for (Object sel : selection.toArray()) {

-				IProject prj = null;

-				IPath location = null;

-

-				if (sel instanceof LaunchNode && ((LaunchNode)sel).getModel().getModelRoot() instanceof IProject) {

-					prj = (IProject)((LaunchNode)sel).getModel().getModelRoot();

-				}

-				else if (sel instanceof IProject) {

-					prj = (IProject)sel;

-				}

-				else if (sel instanceof IFile) {

-					IFile file = (IFile)sel;

-					prj = file.getProject();

-					if (getLocation(file) != null) {

-						File filePath = getLocation(file).toFile();

-						try {

-							int elfType = ElfUtils.getELFType(filePath);

-							if (file.exists() &&

-											(elfType == Attribute.ELF_TYPE_EXE || elfType == Attribute.ELF_TYPE_OBJ)) {

-								location = file.getLocation();

-							}

-						}

-						catch (IOException e) {

-							if (Platform.inDebugMode()) {

-								IStatus status = new Status(IStatus.ERROR, UIPlugin.getUniqueIdentifier(),

-												NLS.bind(Messages.LaunchSelectionManager_error_failedToDetermineElfType, filePath.getAbsolutePath()), e);

-								UIPlugin.getDefault().getLog().log(status);

-							}

-						}

-					}

-				} else {

-					// Try to adapt the selection to an resource

-					IResource resource = (IResource)Platform.getAdapterManager().loadAdapter(sel, IResource.class.getName());

-					if (resource != null) {

-						prj = resource.getProject();

-						location = getLocation(resource);

-						if (location != null) {

-							try {

-								int elfType = ElfUtils.getELFType(location.toFile());

-								if (elfType != Attribute.ELF_TYPE_EXE && elfType != Attribute.ELF_TYPE_OBJ) {

-									location = null;

-								}

-							}

-							catch (Exception e) {

-								if (Platform.inDebugMode()) {

-									IStatus status = new Status(IStatus.ERROR, UIPlugin.getUniqueIdentifier(),

-													NLS.bind(Messages.LaunchSelectionManager_error_failedToDetermineElfType, location.toFile().getAbsolutePath()), e);

-									UIPlugin.getDefault().getLog().log(status);

-								}

-								location = null;

-							}

-						}

-					}

-				}

-

-				if (prj != null && (location == null || location.toFile().isDirectory())) {

-					// Try to get it from the build targets

-					location = getFirstExeLocation(prj);

-				}

-

-				Set<IPath> nodes;

-				if (prj != null) {

-					if (!projectSelections.containsKey(prj)) {

-						nodes = new HashSet<IPath>();

-						projectSelections.put(prj, nodes);

-					}

-					else {

-						nodes = projectSelections.get(prj);

-					}

-					if (location != null) {

-						nodes.add(location);

-					}

-				}

-			}

-		}

-

-		if (storeToCache) {

-			lastProjectInputSelection = selection;

-			lastProjectHash = projectHash != 0 ? projectHash : getProjectHash(selection);

-			lastProjectOutputSelections = projectSelections;

-		}

-

-		return storeToCache ? lastProjectOutputSelections : projectSelections;

-	}

-

-	/**

-	 * Get the selection of a workbench part.

-	 * <p>

-	 * <b>Note:</b> This method will return null if called from a non-UI thread!

-	 *

-	 * @param partId The part id. Must not be <code>null</code>.

-	 * @return The structured selection if the workbench part or <code>null</code>.

-	 */

-	public static IStructuredSelection getPartSelection(String partId) {

-		IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();

-		if (partId != null && window != null && window.getActivePage() != null) {

-			ISelection sel = window.getActivePage().getSelection(partId);

-

-			if (sel instanceof IStructuredSelection) {

-				return (IStructuredSelection)sel;

-			}

-		}

-		return null;

-	}

-

-	/**

-	 * Return the location on the file system of the first executable

-	 * build-target found in the given project. Existing build-targets have

-	 * precedence over non-existing build targets.

-	 *

-	 * @param prj The project. Must not be <code>null</code>

-	 * @return IPath The first found executable or <code>null</code>.

-	 */

-	public IPath getFirstExeLocation(IProject prj) {

-		return null;

-	}

-

-	/*

-	 * Get the location of an IResource or null.

-	 */

-	private IPath getLocation(IResource resource) {

-		return (resource != null) ? resource.getLocation() : null;

-	}

-}

+/*******************************************************************************
+ * Copyright (c) 2012 Wind River Systems, Inc. and others. 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:
+ * Wind River Systems - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.tcf.te.launch.ui.selection;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Set;
+
+import org.eclipse.cdt.utils.elf.Elf.Attribute;
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.runtime.IAdaptable;
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Platform;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.debug.core.ILaunchConfigurationType;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.osgi.util.NLS;
+import org.eclipse.tcf.te.core.cdt.elf.ElfUtils;
+import org.eclipse.tcf.te.launch.core.selection.LaunchSelection;
+import org.eclipse.tcf.te.launch.core.selection.ProjectSelectionContext;
+import org.eclipse.tcf.te.launch.core.selection.RemoteSelectionContext;
+import org.eclipse.tcf.te.launch.core.selection.interfaces.ILaunchSelection;
+import org.eclipse.tcf.te.launch.core.selection.interfaces.ISelectionContext;
+import org.eclipse.tcf.te.launch.ui.activator.UIPlugin;
+import org.eclipse.tcf.te.launch.ui.model.LaunchNode;
+import org.eclipse.tcf.te.launch.ui.nls.Messages;
+import org.eclipse.tcf.te.runtime.model.interfaces.IModelNode;
+import org.eclipse.tcf.te.runtime.model.interfaces.IModelNodeProvider;
+import org.eclipse.tcf.te.runtime.services.ServiceManager;
+import org.eclipse.tcf.te.runtime.services.interfaces.IPropertiesAccessService;
+import org.eclipse.ui.IWorkbenchWindow;
+import org.eclipse.ui.PlatformUI;
+
+/**
+ * Launch selection manager implementation.
+ */
+public class LaunchSelectionManager {
+	/**
+	 * Part id: Target Explorer view
+	 */
+	public static final String PART_ID_TE_VIEW = "org.eclipse.tcf.te.ui.views.View"; //$NON-NLS-1$
+
+	/**
+	 * Part id: Project Explorer view
+	 */
+	public static final String PART_ID_PROJECT_VIEW = "org.eclipse.ui.navigator.ProjectExplorer"; //$NON-NLS-1$
+
+	/**
+	 * Part id: Debug view
+	 */
+	public static final String PART_ID_DEBUG_VIEW = "org.eclipse.debug.ui.DebugView"; //$NON-NLS-1$
+
+	// Remember the last remote context and project selections.
+	// <p>
+	// Some operations to determine the corresponding selection contexts may consume
+	// a lot of time. Avoid to redo them if not really needed.
+	private IStructuredSelection lastRemoteCtxInputSelection = null;
+	private Map<IModelNode, Set<IModelNode>> lastRemoteCtxOutputSelections = null;
+	private IStructuredSelection lastProjectInputSelection = null;
+	private long lastProjectHash = 0;
+	private Map<IProject, Set<IPath>> lastProjectOutputSelections = null;
+
+	/*
+	 * Thread save singleton instance creation.
+	 */
+	private static class LazyInstanceHolder {
+		public static LaunchSelectionManager instance = new LaunchSelectionManager();
+	}
+
+	/**
+	 * Returns the singleton instance for the manager.
+	 */
+	public static LaunchSelectionManager getInstance() {
+		return LazyInstanceHolder.instance;
+	}
+
+	/**
+	 * Constructor.
+	 */
+	LaunchSelectionManager() {
+	}
+
+	/**
+	 * Returns a launch selection for the given launch mode and a preferred part.
+	 *
+	 * @param type The launch configuration type or <code>null</code>, to determine defaults.
+	 * @param mode The launch mode to generate the launch selection for.
+	 * @param preferredPartId The part id whose selections should be preferred. Can be <code>null</code>.
+	 * @return A launch selection.
+	 */
+	public ILaunchSelection getLaunchSelection(ILaunchConfigurationType type, String mode, String preferredPartId) {
+		return new LaunchSelection(mode, getSelectionContexts(type, mode, preferredPartId));
+	}
+
+	private ISelectionContext[] getSelectionContexts(ILaunchConfigurationType type, String mode, String preferredPartId) {
+		List<ISelectionContext> contexts = new ArrayList<ISelectionContext>();
+
+		// Get the selected remote contexts
+		contexts.addAll(getSelectionContextsFor(PART_ID_TE_VIEW, type, mode, PART_ID_TE_VIEW.equalsIgnoreCase(preferredPartId)));
+
+		// Get the selected project contexts
+		contexts.addAll(getSelectionContextsFor(PART_ID_PROJECT_VIEW, type, mode, PART_ID_PROJECT_VIEW.equalsIgnoreCase(preferredPartId)));
+
+		return contexts.toArray(new ISelectionContext[contexts.size()]);
+	}
+
+	public List<ISelectionContext> getSelectionContextsFor(String partId, ILaunchConfigurationType type, String mode, boolean preferedPart) {
+		List<ISelectionContext> contexts = new ArrayList<ISelectionContext>();
+
+		if (PART_ID_TE_VIEW.equalsIgnoreCase(partId)) {
+			// Get the selected remote contexts
+			Map<IModelNode, Set<IModelNode>> remoteCtxSelections = getRemoteCtxSelections(getPartSelection(PART_ID_TE_VIEW));
+
+			for (Entry<IModelNode, Set<IModelNode>> remoteCtx : remoteCtxSelections.entrySet()) {
+				contexts.add(new RemoteSelectionContext(remoteCtx.getKey(), remoteCtx.getValue().toArray(), preferedPart));
+			}
+		}
+		else if (PART_ID_PROJECT_VIEW.equalsIgnoreCase(partId)) {
+
+			// Get the selected project contexts
+			Map<IProject, Set<IPath>> projectSelections = getProjectSelections(getPartSelection(PART_ID_PROJECT_VIEW), true);
+			for (Entry<IProject, Set<IPath>> prj : projectSelections.entrySet()) {
+				contexts.add(new ProjectSelectionContext(prj.getKey(), prj.getValue().toArray(), preferedPart));
+			}
+		}
+
+		return contexts;
+	}
+
+	/**
+	 * Analyze the given UI selection and extract the remote context selection from it.
+	 *
+	 * @param structSel The UI selection or <code>null</code>.
+	 * @return The remote context selections or an empty map.
+	 */
+	private Map<IModelNode, Set<IModelNode>> getRemoteCtxSelections(IStructuredSelection structSel) {
+		if (structSel != null && structSel.equals(lastRemoteCtxInputSelection) && lastRemoteCtxOutputSelections != null) {
+			return lastRemoteCtxOutputSelections;
+		}
+
+		Map<IModelNode, Set<IModelNode>> remoteCtxSelections = new HashMap<IModelNode, Set<IModelNode>>();
+		if (structSel != null && !structSel.isEmpty()) {
+			for (Object sel : structSel.toArray()) {
+				IModelNode remoteCtx = null;
+				IModelNode node = null;
+
+				if (sel instanceof LaunchNode && ((LaunchNode)sel).getModel().getModelRoot() instanceof IModelNode) {
+					node = (IModelNode)((LaunchNode)sel).getModel().getModelRoot();
+				}
+				else if (sel instanceof IModelNodeProvider) {
+					node = ((IModelNodeProvider)sel).getModelNode();
+				} else if (sel instanceof IModelNode) {
+					node = (IModelNode)sel;
+				}
+
+				if (node != null) {
+					IPropertiesAccessService service = ServiceManager.getInstance().getService(node, IPropertiesAccessService.class);
+					if (service != null) {
+						remoteCtx = node;
+						IModelNode parent = (IModelNode)service.getParent(node);
+						while (parent != null) {
+							remoteCtx = parent;
+							parent = (IModelNode)service.getParent(parent);
+						}
+					}
+				}
+
+				Set<IModelNode> nodes;
+				if (remoteCtx != null) {
+					if (!remoteCtxSelections.containsKey(remoteCtx)) {
+						nodes = new HashSet<IModelNode>();
+						remoteCtxSelections.put(remoteCtx, nodes);
+					}
+					else {
+						nodes = remoteCtxSelections.get(remoteCtx);
+					}
+					if (node != null) {
+						nodes.add(node);
+					}
+				}
+			}
+		}
+
+		lastRemoteCtxInputSelection = structSel;
+		lastRemoteCtxOutputSelections = remoteCtxSelections;
+
+		return lastRemoteCtxOutputSelections;
+	}
+
+	/**
+	 * Calculates a hash code based on the determined projects of
+	 * the given UI selection.
+	 *
+	 * @param structSel The UI selection or <code>null</code>.
+	 * @return The calculated hash code.
+	 */
+	private long getProjectHash(IStructuredSelection structSel) {
+		long hash = 0;
+		if (structSel != null) {
+			List<IProject> projects = new ArrayList<IProject>();
+			for (Object sel : structSel.toArray()) {
+				IProject prj = null;
+				IResource resource = null;
+
+				if (sel instanceof LaunchNode && ((LaunchNode)sel).getModel().getModelRoot() instanceof IResource) {
+					sel = ((LaunchNode)sel).getModel().getModelRoot();
+				}
+
+				// If the selection is not an IResource itself, try to adapt to it.
+				// This will possibly trigger an plugin activation on loadAdapter(...).
+				if (sel instanceof IProject) {
+					prj = (IProject)sel;
+				}
+				else {
+					if (sel instanceof IResource) {
+						resource = (IResource)sel;
+					}
+					else if (sel instanceof IAdaptable) {
+						resource = (IResource)((IAdaptable)sel).getAdapter(IResource.class);
+					}
+					else {
+						resource = (IResource)Platform.getAdapterManager().loadAdapter(sel, IResource.class.getName());
+					}
+
+					// Get the project from the resource
+					prj = resource != null ? resource.getProject() : null;
+				}
+
+				// If the project could be determined, add the project's
+				// hash code to the cumulative hash code.
+				if (prj != null && !projects.contains(prj)) {
+					projects.add(prj);
+					hash += prj.hashCode();
+				}
+				else {
+					hash += sel.hashCode();
+				}
+			}
+
+			projects.clear();
+		}
+		return hash;
+	}
+
+	/**
+	 * Analyze the given UI selection and extract the project selection from it.
+	 *
+	 * @param structSel The UI selection or <code>null</code>.
+	 * @param storeToCache If <code>true</code> the project selection will be cached.
+	 *
+	 * @return The project context selection or an empty map.
+	 */
+	public Map<IProject, Set<IPath>> getProjectSelections(IStructuredSelection selection, boolean storeToCache) {
+		long projectHash = 0;
+		if (selection != null && selection.equals(lastProjectInputSelection) &&
+						lastProjectOutputSelections != null) {
+			projectHash = getProjectHash(selection);
+			if (lastProjectHash == 0 || lastProjectHash == projectHash) {
+				return lastProjectOutputSelections;
+			}
+		}
+
+		Map<IProject, Set<IPath>> projectSelections = new HashMap<IProject, Set<IPath>>();
+		if (selection != null && !selection.isEmpty()) {
+			for (Object sel : selection.toArray()) {
+				IProject prj = null;
+				IPath location = null;
+
+				if (sel instanceof LaunchNode && ((LaunchNode)sel).getModel().getModelRoot() instanceof IProject) {
+					prj = (IProject)((LaunchNode)sel).getModel().getModelRoot();
+				}
+				else if (sel instanceof IProject) {
+					prj = (IProject)sel;
+				}
+				else if (sel instanceof IFile) {
+					IFile file = (IFile)sel;
+					prj = file.getProject();
+					if (getLocation(file) != null) {
+						File filePath = getLocation(file).toFile();
+						try {
+							int elfType = ElfUtils.getELFType(filePath);
+							if (file.exists() &&
+											(elfType == Attribute.ELF_TYPE_EXE || elfType == Attribute.ELF_TYPE_OBJ)) {
+								location = file.getLocation();
+							}
+						}
+						catch (IOException e) {
+							if (Platform.inDebugMode()) {
+								IStatus status = new Status(IStatus.ERROR, UIPlugin.getUniqueIdentifier(),
+												NLS.bind(Messages.LaunchSelectionManager_error_failedToDetermineElfType, filePath.getAbsolutePath()), e);
+								UIPlugin.getDefault().getLog().log(status);
+							}
+						}
+					}
+				} else {
+					// Try to adapt the selection to an resource
+					IResource resource = (IResource)Platform.getAdapterManager().loadAdapter(sel, IResource.class.getName());
+					if (resource != null) {
+						prj = resource.getProject();
+						location = getLocation(resource);
+						if (location != null) {
+							try {
+								int elfType = ElfUtils.getELFType(location.toFile());
+								if (elfType != Attribute.ELF_TYPE_EXE && elfType != Attribute.ELF_TYPE_OBJ) {
+									location = null;
+								}
+							}
+							catch (Exception e) {
+								if (Platform.inDebugMode()) {
+									IStatus status = new Status(IStatus.ERROR, UIPlugin.getUniqueIdentifier(),
+													NLS.bind(Messages.LaunchSelectionManager_error_failedToDetermineElfType, location.toFile().getAbsolutePath()), e);
+									UIPlugin.getDefault().getLog().log(status);
+								}
+								location = null;
+							}
+						}
+					}
+				}
+
+				if (prj != null && (location == null || location.toFile().isDirectory())) {
+					// Try to get it from the build targets
+					location = getFirstExeLocation(prj);
+				}
+
+				Set<IPath> nodes;
+				if (prj != null) {
+					if (!projectSelections.containsKey(prj)) {
+						nodes = new HashSet<IPath>();
+						projectSelections.put(prj, nodes);
+					}
+					else {
+						nodes = projectSelections.get(prj);
+					}
+					if (location != null) {
+						nodes.add(location);
+					}
+				}
+			}
+		}
+
+		if (storeToCache) {
+			lastProjectInputSelection = selection;
+			lastProjectHash = projectHash != 0 ? projectHash : getProjectHash(selection);
+			lastProjectOutputSelections = projectSelections;
+		}
+
+		return storeToCache ? lastProjectOutputSelections : projectSelections;
+	}
+
+	/**
+	 * Get the selection of a workbench part.
+	 * <p>
+	 * <b>Note:</b> This method will return null if called from a non-UI thread!
+	 *
+	 * @param partId The part id. Must not be <code>null</code>.
+	 * @return The structured selection if the workbench part or <code>null</code>.
+	 */
+	public static IStructuredSelection getPartSelection(String partId) {
+		IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
+		if (partId != null && window != null && window.getActivePage() != null) {
+			ISelection sel = window.getActivePage().getSelection(partId);
+
+			if (sel instanceof IStructuredSelection) {
+				return (IStructuredSelection)sel;
+			}
+		}
+		return null;
+	}
+
+	/**
+	 * Return the location on the file system of the first executable
+	 * build-target found in the given project. Existing build-targets have
+	 * precedence over non-existing build targets.
+	 *
+	 * @param prj The project. Must not be <code>null</code>
+	 * @return IPath The first found executable or <code>null</code>.
+	 */
+	public IPath getFirstExeLocation(IProject prj) {
+		return null;
+	}
+
+	/*
+	 * Get the location of an IResource or null.
+	 */
+	private IPath getLocation(IResource resource) {
+		return (resource != null) ? resource.getLocation() : null;
+	}
+}