Bug 73612 [Markers] "Open All" does not work with multi-select in the bookmarks view
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/ActionOpenMarker.java
import org.eclipse.core.resources.IMarker;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.dialogs.ErrorDialog;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.util.OpenStrategy;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.ide.IDE;
import org.eclipse.ui.ide.ResourceUtil;
import org.eclipse.ui.internal.ide.IDEWorkbenchPlugin;
/**
 * Action to open an editor on the selected bookmarks.
 */
public class ActionOpenMarker extends MarkerSelectionProviderAction {
    private final String IMAGE_PATH = "elcl16/gotoobj_tsk.gif"; 
    private final String DISABLED_IMAGE_PATH = "dlcl16/gotoobj_tsk.gif"; 
    protected IWorkbenchPart part;
    /**
     * Create a new instance of the receiver.
     * @param part
     * @param provider
     */
    public ActionOpenMarker(IWorkbenchPart part, ISelectionProvider provider) {
        super(provider, MarkerMessages.openAction_title);
        this.part = part;