public static String getCurrentProject() {
	ISelectionService selectionService = Workbench.getInstance()
			.getActiveWorkbenchWindow().getSelectionService();

	ISelection selection = selectionService.getSelection();

	if (selection instanceof IStructuredSelection) {
		Object element = ((IStructuredSelection) selection).getFirstElement();
		IProject project = null;		
		if (element instanceof IResource) {
			project = ((IResource) element).getProject();
		}
		else if (element instanceof ICElement) {
			project = ((ICElement) element).getResource().getProject();
		}
		if (project != null) {
			return project.getLocation().toOSString();
		}
	}
	return null;
}
 

public IExplorable getFromCDT(ICElement cele) {
    String path = null;
    // project
    if (cele instanceof ICProject) {
        path = ((ICProject) cele).getProject().getLocation().toOSString();
        return new Explorer(path, null);
    }
    else if (cele instanceof IIncludeFileEntry) {
        path = ((IIncludeFileEntry) cele).getFullIncludeFilePath()
                .toOSString();
        return new Explorer(null, path);
    }
    else if (cele instanceof IInclude) {
        path = ((IInclude) cele).getParent().getPath().toOSString();
        return new Explorer(null, path);
    }
    // other
    else {
        IResource res = cele.getResource();
        if (res != null) {
            return ExplorerPlugin.getFromResource(res);
        }
    }
    return null;
}
 

@Override
public IExplorable getExplorable(Object adaptableObject) {
    IExplorable ret = null;
    // for c/c++ element
    if (adaptableObject instanceof ICElement) {
        ret = getFromCDT((ICElement) adaptableObject);
    }
    
    if (ret != null) {
        ret.setIdentifier("explorer4cdt");
    }
    return ret;
}