GT-2705 - File Import - review fixes; updated transient project dialogs

to not have copy/paste actions etc

Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/datamgr/DataTypesActionContext.java

@@ -1,6 +1,5 @@
 /* ###
  * IP: GHIDRA
- * REVIEWED: YES
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,6 +15,12 @@
  */
 package ghidra.app.plugin.core.datamgr;
 
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.swing.tree.TreePath;
+
+import docking.widgets.tree.GTreeNode;
 import ghidra.app.context.ProgramActionContext;
 import ghidra.app.plugin.core.datamgr.archive.ProjectArchive;
 import ghidra.app.plugin.core.datamgr.tree.DataTypeArchiveGTree;
@@ -24,13 +29,6 @@ import ghidra.framework.main.datatable.DomainFileProvider;
 import ghidra.framework.model.DomainFile;
 import ghidra.program.model.listing.Program;
 
-import java.util.ArrayList;
-import java.util.List;
-
-import javax.swing.tree.TreePath;
-
-import docking.widgets.tree.GTreeNode;
-
 public class DataTypesActionContext extends ProgramActionContext implements DomainFileProvider {
 	private final GTreeNode clickedNode;
 	private final boolean isToolbarAction;

Ghidra/Features/Base/src/main/java/ghidra/framework/main/DataTreeDialog.java

@@ -26,6 +26,7 @@ import javax.swing.event.DocumentEvent;
 import javax.swing.event.DocumentListener;
 
 import docking.*;
+import docking.event.mouse.GMouseListenerAdapter;
 import docking.widgets.tree.support.GTreeSelectionEvent;
 import docking.widgets.tree.support.GTreeSelectionListener;
 import ghidra.framework.main.datatree.ClearCutAction;
@@ -40,7 +41,7 @@ import ghidra.util.layout.PairLayout;
  * Dialog to open or save domain data items to a new location or name.
  */
 public class DataTreeDialog extends DialogComponentProvider
-implements GTreeSelectionListener, ActionListener {
+		implements GTreeSelectionListener, ActionListener {
 
 	/**
 	 * Dialog type for opening domain data files.
@@ -540,10 +541,11 @@ implements GTreeSelectionListener, ActionListener {
 
 	protected void addTreeListeners() {
 		if (type == OPEN) {
-			treePanel.addTreeMouseListener(new MouseAdapter() {
+
+			treePanel.addTreeMouseListener(new GMouseListenerAdapter() {
 				@Override
-				public void mousePressed(MouseEvent e) {
-					if (e.getClickCount() == 2 && okButton.isEnabled()) {
+				public void doubleClickTriggered(MouseEvent e) {
+					if (okButton.isEnabled()) {
 						okCallback();
 					}
 				}
@@ -671,7 +673,7 @@ implements GTreeSelectionListener, ActionListener {
 
 		// populate the combo box
 		DefaultComboBoxModel<String> model =
-				(DefaultComboBoxModel<String>) projectComboBox.getModel();
+			(DefaultComboBoxModel<String>) projectComboBox.getModel();
 		model.removeAllElements();
 
 		Set<String> map = new HashSet<>();

Ghidra/Framework/Docking/src/main/java/docking/ActionContext.java

@@ -47,7 +47,12 @@ public class ActionContext {
 	}
 
 	/**
-	 * For Testing
+	 * Constructor
+	 * 
+	 * @param provider the ComponentProvider that generated this context.
+	 * @param contextObject an optional contextObject that the ComponentProvider can provide
+	 * @param sourceObject an optional source object; this can be anything that actions wish to
+	 *        later retrieve
 	 */
 	public ActionContext(ComponentProvider provider, Object contextObject, Object sourceObject) {
 		this(provider, contextObject);
@@ -55,8 +60,8 @@ public class ActionContext {
 	}
 
 	/**
-	 * Returns the {@link #ComponentProvider} that generated this ActionContext
-	 * @return
+	 * Returns the {@link ComponentProvider} that generated this ActionContext
+	 * @return the provider
 	 */
 	public ComponentProvider getComponentProvider() {
 		return provider;

Ghidra/Framework/Docking/src/main/java/docking/widgets/tree/support/GTreeNodeTransferable.java

@@ -1,6 +1,5 @@
 /* ###
  * IP: GHIDRA
- * REVIEWED: YES
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -19,69 +18,75 @@ package docking.widgets.tree.support;
 import java.awt.datatransfer.*;
 import java.io.IOException;
 import java.util.List;
+import java.util.Objects;
 
 import docking.widgets.tree.GTreeNode;
 
 /**
- * A transferable for sharing data via drag/drop and clipboard operations for GTrees.
+ * A transferable for sharing data via drag/drop and clipboard operations for GTrees
  */
 public class GTreeNodeTransferable implements Transferable {
-    private final List<GTreeNode> selectedData;
-    private final GTreeTransferHandler transferHandler;
+	private final List<GTreeNode> selectedData;
+	private final GTreeTransferHandler transferHandler;
 
-    /**
-     * Creates this transferable based upon the selected data and uses the given transfer
-     * handler to perform {@link Transferable} operations.
-     * @param handler the handler used to perform transfer operations.
-     * @param selectedData The
-     */
-    public GTreeNodeTransferable( GTreeTransferHandler handler, List<GTreeNode> selectedData) {
-        this.selectedData = selectedData;
-        this.transferHandler = handler;
-    }
-
-    /**
-     * Returns all of the original selected data contained by this transferable.
-     * @return all of the original selected data contained by this transferable
-     */
-    public List<GTreeNode> getAllData() {
-        return selectedData;
-    }
-
-    /**
-     * Gets the transfer data from the selection based upon the given flavor.
-     * @param transferNodes The nodes from which to get the data.
-     * @param flavor The flavor of data to retreive from the given selection.
-     * @return the transfer data from the selection based upon the given flavor.
-     * @throws UnsupportedFlavorException if the given flavor is not one of the supported flavors
-     * returned by {@link #getSupportedDataFlavors(List)}.
-     */
-    public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException, IOException {
-        return transferHandler.getTransferData(selectedData, flavor);
-    }
-
-    /**
-	 * Returns the DataFlavors for the types of data that this transferable supports, based upon
-	 * the given selection.
-	 * @param transferNodes The nodes to base the DataFlavor selection upon.
-	 * @return the DataFlavors for the types of data that this transferable supports, based upon
-	 * the given selection.
+	/**
+	 * Creates this transferable based upon the selected data and uses the given transfer
+	 * handler to perform {@link Transferable} operations
+	 * 
+	 * @param handler the handler used to perform transfer operations
+	 * @param selectedData The selected tree nodes
 	 */
-    public DataFlavor[] getTransferDataFlavors() {
-        return transferHandler.getSupportedDataFlavors(selectedData);
-    }
+	public GTreeNodeTransferable(GTreeTransferHandler handler, List<GTreeNode> selectedData) {
+		this.transferHandler = Objects.requireNonNull(handler);
+		this.selectedData = Objects.requireNonNull(selectedData);
+	}
 
-    /**
-     * A convenience method to determine if this transferable supports the given flavor.
-     * @return true if this transferable supports the given flavor.
-     */
-    public boolean isDataFlavorSupported(DataFlavor flavor) {
-        DataFlavor[] flavors = transferHandler.getSupportedDataFlavors(selectedData);
-        for(int i=0;i<flavors.length;i++) {
-            if (flavors[i].equals(flavor)) {
-                return true;
-            }
-        }
-        return false;
-    }
+	/**
+	 * Returns all of the original selected data contained by this transferable.
+	 * @return all of the original selected data contained by this transferable
+	 */
+	public List<GTreeNode> getAllData() {
+		return selectedData;
+	}
+
+	/**
+	 * Gets the transfer data from the selection based upon the given flavor
+	
+	 * @param flavor The flavor of data to retrieve from the given selection.
+	 * @return the transfer data from the selection based upon the given flavor.
+	 * @throws UnsupportedFlavorException if the given flavor is not one of the supported flavors
+	 * returned by {@link #getTransferDataFlavors()}
+	 */
+	@Override
+	public Object getTransferData(DataFlavor flavor)
+			throws UnsupportedFlavorException, IOException {
+		return transferHandler.getTransferData(selectedData, flavor);
+	}
+
+	/**
+	 * Returns the DataFlavors for the types of data that this transferable supports, based upon
+	 * the given selection
+	 * 
+	 * @return the DataFlavors for the types of data that this transferable supports, based upon
+	 * the given selection
+	 */
+	@Override
+	public DataFlavor[] getTransferDataFlavors() {
+		return transferHandler.getSupportedDataFlavors(selectedData);
+	}
+
+	/**
+	 * A convenience method to determine if this transferable supports the given flavor
+	 * @return true if this transferable supports the given flavor
+	 */
+	@Override
+	public boolean isDataFlavorSupported(DataFlavor flavor) {
+		DataFlavor[] flavors = transferHandler.getSupportedDataFlavors(selectedData);
+		for (DataFlavor f : flavors) {
+			if (f.equals(flavor)) {
+				return true;
+			}
+		}
+		return false;
+	}
 }

Ghidra/Framework/Project/src/main/java/ghidra/framework/main/datatable/ProjectDataActionContext.java

@@ -30,6 +30,7 @@ public class ProjectDataActionContext extends ActionContext implements DomainFil
 	private Component comp;
 	private boolean isActiveProject;
 	private ProjectData projectData;
+	private boolean isTransient;
 
 	public ProjectDataActionContext(ComponentProvider provider, ProjectData projectData,
 			Object contextObject, List<DomainFolder> selectedFolders,
@@ -112,4 +113,20 @@ public class ProjectDataActionContext extends ActionContext implements DomainFil
 		}
 		return false;
 	}
+
+	/**
+	 * Transient data is that which will appear in a temporary project dialog
+	 * @param isTransient true if transient
+	 */
+	public void setTransient(boolean isTransient) {
+		this.isTransient = isTransient;
+	}
+
+	/**
+	 * Transient data is that which will appear in a temporary project dialog
+	 * @return true if transient
+	 */
+	public boolean isTransient() {
+		return isTransient;
+	}
 }

Ghidra/Framework/Project/src/main/java/ghidra/framework/main/datatable/ProjectDataContextAction.java

@@ -1,6 +1,5 @@
 /* ###
  * IP: GHIDRA
- * REVIEWED: YES
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -26,20 +25,42 @@ public abstract class ProjectDataContextAction extends DockingAction {
 	}
 
 	@Override
-	public final boolean isEnabledForContext(ActionContext actionContext) {
+	public boolean isEnabledForContext(ActionContext actionContext) {
 		if (!(actionContext instanceof ProjectDataActionContext)) {
 			return false;
 		}
+
 		ProjectDataActionContext context = (ProjectDataActionContext) actionContext;
+		if (ignoreTransientProject(context)) {
+			return false;
+		}
+
 		return isEnabledForContext(context);
 	}
 
+	protected boolean ignoreTransientProject(ProjectDataActionContext context) {
+		if (supportsTransientProjectData()) {
+			return false;
+		}
+		return context.isTransient();
+	}
+
+	/**
+	 * Signals that this action can work on normal project data, as well as transient data. 
+	 * Transient data is that which will appear in a temporary project dialog.
+	 * 
+	 * @return true if this action works on transient project data
+	 */
+	protected boolean supportsTransientProjectData() {
+		return false;
+	}
+
 	protected boolean isEnabledForContext(ProjectDataActionContext context) {
 		return context.hasOneOrMoreFilesAndFolders();
 	}
 
 	@Override
-	public final void actionPerformed(ActionContext context) {
+	public void actionPerformed(ActionContext context) {
 		actionPerformed((ProjectDataActionContext) context);
 	}
 
@@ -59,7 +80,7 @@ public abstract class ProjectDataContextAction extends DockingAction {
 
 	@Override
 	public boolean isAddToPopup(ActionContext context) {
-		if (!(context instanceof ProjectDataActionContext)) {
+		if (!isEnabledForContext(context)) {
 			return false;
 		}
 		return isAddToPopup((ProjectDataActionContext) context);

Ghidra/Framework/Project/src/main/java/ghidra/framework/main/datatable/ProjectDataContextToggleAction.java

@@ -1,6 +1,5 @@
 /* ###
  * IP: GHIDRA
- * REVIEWED: YES
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -30,10 +29,32 @@ public abstract class ProjectDataContextToggleAction extends ToggleDockingAction
 		if (!(actionContext instanceof ProjectDataActionContext)) {
 			return false;
 		}
+
 		ProjectDataActionContext context = (ProjectDataActionContext) actionContext;
+		if (ignoreTransientProject(context)) {
+			return false;
+		}
+
 		return isEnabledForContext(context);
 	}
 
+	protected boolean ignoreTransientProject(ProjectDataActionContext context) {
+		if (supportsTransientProjectData()) {
+			return false;
+		}
+		return context.isTransient();
+	}
+
+	/**
+	 * Signals that this action can work on normal project data, as well as transient data. 
+	 * Transient data is that which will appear in a temporary project dialog.
+	 * 
+	 * @return true if this action works on transient project data
+	 */
+	protected boolean supportsTransientProjectData() {
+		return false;
+	}
+
 	protected boolean isEnabledForContext(ProjectDataActionContext context) {
 		return context.hasOneOrMoreFilesAndFolders();
 	}

Ghidra/Framework/Project/src/main/java/ghidra/framework/main/datatable/ProjectDataTreeContextAction.java

@@ -1,6 +1,5 @@
 /* ###
  * IP: GHIDRA
- * REVIEWED: YES
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,9 +15,9 @@
  */
 package ghidra.framework.main.datatable;
 
-import ghidra.framework.main.datatree.ProjectDataTreeActionContext;
 import docking.ActionContext;
 import docking.action.DockingAction;
+import ghidra.framework.main.datatree.ProjectDataTreeActionContext;
 
 public abstract class ProjectDataTreeContextAction extends DockingAction {
 
@@ -31,10 +30,32 @@ public abstract class ProjectDataTreeContextAction extends DockingAction {
 		if (!(actionContext instanceof ProjectDataTreeActionContext)) {
 			return false;
 		}
+
 		ProjectDataTreeActionContext context = (ProjectDataTreeActionContext) actionContext;
+		if (ignoreTransientProject(context)) {
+			return false;
+		}
+
 		return isEnabledForContext(context);
 	}
 
+	protected boolean ignoreTransientProject(ProjectDataActionContext context) {
+		if (supportsTransientProjectData()) {
+			return false;
+		}
+		return context.isTransient();
+	}
+
+	/**
+	 * Signals that this action can work on normal project data, as well as transient data. 
+	 * Transient data is that which will appear in a temporary project dialog.
+	 * 
+	 * @return true if this action works on transient project data
+	 */
+	protected boolean supportsTransientProjectData() {
+		return false;
+	}
+
 	protected boolean isEnabledForContext(ProjectDataTreeActionContext context) {
 		return context.hasOneOrMoreFilesAndFolders();
 	}
@@ -60,7 +81,7 @@ public abstract class ProjectDataTreeContextAction extends DockingAction {
 
 	@Override
 	public boolean isAddToPopup(ActionContext context) {
-		if (!(context instanceof ProjectDataTreeActionContext)) {
+		if (!isEnabledForContext(context)) {
 			return false;
 		}
 		return isAddToPopup((ProjectDataTreeActionContext) context);

Ghidra/Framework/Project/src/main/java/ghidra/framework/main/datatree/DataTreeClipboardUtils.java

@@ -23,6 +23,7 @@ import javax.swing.tree.TreePath;
 
 import docking.dnd.GClipboard;
 import docking.widgets.tree.GTreeNode;
+import docking.widgets.tree.support.GTreeNodeTransferable;
 import ghidra.util.Msg;
 
 /**
@@ -35,14 +36,8 @@ public class DataTreeClipboardUtils {
 	 * Static instance of a callback handler that is notified when the clipboard is changed
 	 * and our data is discarded.
 	 */
-	private static final ClipboardOwner DATATREE_CLIPBOARD_OWNER = new ClipboardOwner() {
-		@Override
-		public void lostOwnership(Clipboard clipboard, Transferable contents) {
-			// This is called when something other than this class modifies the clipboard
-			// and our data is discarded.
-			clearCuttables(contents);
-		}
-	};
+	private static final ClipboardOwner DATATREE_CLIPBOARD_OWNER =
+		(clipboard, contents) -> clearCuttables(contents);
 
 	/**
 	 * Pushes the GTreeNodes in the specified TreePath array to the clipboard.
@@ -59,8 +54,9 @@ public class DataTreeClipboardUtils {
 			GTreeNode node = (GTreeNode) element.getLastPathComponent();
 			list.add(node);
 		}
-		DataTreeNodeTransferable contents =
-			new DataTreeNodeTransferable(tree.getDragNDropHandler(), list);
+
+		GTreeNodeTransferable contents =
+			new GTreeNodeTransferable(tree.getDragNDropHandler(), list);
 
 		try {
 			clipboard.setContents(contents, DATATREE_CLIPBOARD_OWNER);

Ghidra/Framework/Project/src/main/java/ghidra/framework/main/datatree/DataTreeNodeTransferable.java

@@ -1,30 +0,0 @@
-/* ###
- * IP: GHIDRA
- * REVIEWED: YES
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- * 
- *      http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package ghidra.framework.main.datatree;
-
-import java.util.List;
-
-import docking.widgets.tree.GTreeNode;
-import docking.widgets.tree.support.GTreeNodeTransferable;
-import docking.widgets.tree.support.GTreeTransferHandler;
-
-public class DataTreeNodeTransferable extends GTreeNodeTransferable {
-	public DataTreeNodeTransferable(GTreeTransferHandler handler, List<GTreeNode> selectedData) {
-		super(handler, selectedData);
-	}
-
-}

Ghidra/Framework/Project/src/main/java/ghidra/framework/main/datatree/ProjectDataTreeActionContext.java

@@ -1,6 +1,5 @@
 /* ###
  * IP: GHIDRA
- * REVIEWED: YES
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,14 +15,13 @@
  */
 package ghidra.framework.main.datatree;
 
-import ghidra.framework.main.datatable.ProjectDataActionContext;
-import ghidra.framework.model.*;
-
 import java.util.List;
 
 import javax.swing.tree.TreePath;
 
 import docking.ComponentProvider;
+import ghidra.framework.main.datatable.ProjectDataActionContext;
+import ghidra.framework.model.*;
 
 public class ProjectDataTreeActionContext extends ProjectDataActionContext {
 
@@ -52,7 +50,7 @@ public class ProjectDataTreeActionContext extends ProjectDataActionContext {
 		return selectionPaths;
 	}
 
-	public DataTree getDataTree() {
+	public DataTree getTree() {
 		return tree;
 	}
 }

Ghidra/Framework/Project/src/main/java/ghidra/framework/main/datatree/ProjectDataTreePanel.java

@@ -337,8 +337,11 @@ public class ProjectDataTreePanel extends JPanel {
 			}
 		}
 
-		return new ProjectDataTreeActionContext(provider, projectData, selectionPaths,
-			domainFolderList, domainFileList, tree, isActiveProject);
+		ProjectDataTreeActionContext context = new ProjectDataTreeActionContext(provider,
+			projectData, selectionPaths, domainFolderList, domainFileList, tree, isActiveProject);
+		boolean isTransient = tool == null; // null for stand-alone dialog, not the project's tree
+		context.setTransient(isTransient);
+		return context;
 	}
 
 	public DataTree getDataTree() {

Ghidra/Framework/Project/src/main/java/ghidra/framework/main/projectdata/actions/ProjectDataCollapseAction.java

@@ -33,7 +33,7 @@ public class ProjectDataCollapseAction extends ProjectDataTreeContextAction {
 
 	@Override
 	protected void actionPerformed(ProjectDataTreeActionContext context) {
-		DataTree tree = context.getDataTree();
+		DataTree tree = context.getTree();
 		TreePath[] paths = context.getSelectionPaths();
 		collapse(tree, paths[0]);
 	}

Ghidra/Framework/Project/src/main/java/ghidra/framework/main/projectdata/actions/ProjectDataCopyAction.java

@@ -40,7 +40,7 @@ public class ProjectDataCopyAction extends ProjectDataCopyCutBaseAction {
 	protected void actionPerformed(ProjectDataTreeActionContext context) {
 		TreePath[] paths = adjustSelectionPaths(context.getSelectionPaths());
 
-		DataTreeClipboardUtils.setClipboardContents(context.getDataTree(), paths);
+		DataTreeClipboardUtils.setClipboardContents(context.getTree(), paths);
 
 	}
 

Ghidra/Framework/Project/src/main/java/ghidra/framework/main/projectdata/actions/ProjectDataCutAction.java

@@ -40,7 +40,7 @@ public class ProjectDataCutAction extends ProjectDataCopyCutBaseAction {
 	protected void actionPerformed(ProjectDataTreeActionContext context) {
 		TreePath[] paths = adjustSelectionPaths(context.getSelectionPaths());
 
-		DataTreeClipboardUtils.setClipboardContents(context.getDataTree(), paths);
+		DataTreeClipboardUtils.setClipboardContents(context.getTree(), paths);
 
 		markNodesCut(paths);
 	}

Ghidra/Framework/Project/src/main/java/ghidra/framework/main/projectdata/actions/ProjectDataExpandAction.java

@@ -33,7 +33,7 @@ public class ProjectDataExpandAction extends ProjectDataTreeContextAction {
 
 	@Override
 	protected void actionPerformed(ProjectDataTreeActionContext context) {
-		DataTree tree = context.getDataTree();
+		DataTree tree = context.getTree();
 		TreePath[] paths = context.getSelectionPaths();
 		expand(tree, paths[0]);
 	}

Ghidra/Framework/Project/src/main/java/ghidra/framework/main/projectdata/actions/ProjectDataNewFolderAction.java

@@ -41,6 +41,12 @@ public class ProjectDataNewFolderAction extends ProjectDataContextAction {
 		markHelpUnnecessary();
 	}
 
+	@Override
+	protected boolean supportsTransientProjectData() {
+		// we allow the user to create new folders even in transient projects
+		return true;
+	}
+
 	@Override
 	protected void actionPerformed(ProjectDataActionContext context) {
 		createNewFolder(context);

Ghidra/Framework/Project/src/main/java/ghidra/framework/main/projectdata/actions/ProjectDataPasteAction.java

@@ -44,7 +44,7 @@ public class ProjectDataPasteAction extends ProjectDataCopyCutBaseAction {
 		GTreeNode node = (GTreeNode) context.getContextObject();
 		DomainFolderNode destNode = getFolderForNode(node);
 
-		paste(context.getDataTree(), destNode);
+		paste(context.getTree(), destNode);
 	}
 
 	@Override

Ghidra/Framework/Project/src/main/java/ghidra/framework/main/projectdata/actions/ProjectDataReadOnlyAction.java

@@ -50,6 +50,10 @@ public class ProjectDataReadOnlyAction extends ProjectDataContextToggleAction {
 		if (context.getFolderCount() != 0 || context.getFileCount() != 1) {
 			return false;
 		}
+		if (ignoreTransientProject(context)) {
+			return false;
+		}
+
 		DomainFile domainFile = context.getSelectedFiles().get(0);
 		setSelected(domainFile.isReadOnly());
 		return true;

Ghidra/Framework/Project/src/main/java/ghidra/framework/main/projectdata/actions/ProjectDataSelectAction.java

@@ -36,7 +36,7 @@ public class ProjectDataSelectAction extends ProjectDataTreeContextAction {
 
 	@Override
 	protected void actionPerformed(ProjectDataTreeActionContext context) {
-		DataTree tree = context.getDataTree();
+		DataTree tree = context.getTree();
 		TreePath[] paths = context.getSelectionPaths();
 		GTreeNode node = (GTreeNode) paths[0].getLastPathComponent();
 		selectAllChildren(tree, node);