Index: ChangeLogAction.java
===================================================================
--- ChangeLogAction.java	(revision 23273)
+++ ChangeLogAction.java	(working copy)
@@ -162,6 +162,8 @@
 		IWorkspaceRoot myWorkspaceRoot = getWorkspaceRoot();
 
 		IResource given_resource = myWorkspaceRoot.findMember(editorLoc);
+		IProject targetProject = given_resource.getProject();
+		setProjectVisibility(myWorkspaceRoot,new IProject[] {targetProject}, true);
 
 		ContainerSelectionDialog dialog = new ContainerSelectionDialog(ws
 				.getActiveWorkbenchWindow().getShell(), given_resource
@@ -172,6 +174,8 @@
 		dialog.open();
 
 		Object[] result = dialog.getResult();
+		setProjectVisibility(myWorkspaceRoot, null, false);
+		
 		if (result == null)
 			return null;
 		final IPath result_path = new Path(result[0]
@@ -336,5 +340,38 @@
 		pref_Formatter = store
 				.getString("IChangeLogConstants.DEFAULT_FORMATTER"); // $NON-NLS-1$
 	}
+	
+	
+	/**
+	 * 
+	 * @param root The workspace where selection will occur
+	 * @param targetProjects A list of projects to act upon.
+	 *        If null is specified, then setHidden(isHidden) will be performed
+	 *        on all projects.
+	 * @param isHidden true hides a project, false unhides a project
+	 */
+	protected void setProjectVisibility(IWorkspaceRoot root, IProject[] targetProjects, boolean isHidden){
+		if (targetProjects == null) {
+			for (IProject proj : root.getProjects(IContainer.INCLUDE_HIDDEN)) {
+				try {
+					proj.setHidden(isHidden);
+				} catch (CoreException e) {
+					continue;
+				}
+			}
+		}else{
+			for (IProject targetProj : targetProjects) {
+				for (IProject proj : root.getProjects(IContainer.INCLUDE_HIDDEN)) {
+					if (! targetProj.getLocation().toOSString().equals(proj.getLocation().toOSString())) {
+						try {
+							proj.setHidden(isHidden);
+						} catch (CoreException e) {
+							continue;
+						}
+					}
+				}
+			}
+		}
+	}
 
 }