Bug 264818 [Markers] Problems view: Status line shows wrong selection count summary
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/views/markers/ExtendedMarkersView.java
event.data = MarkerCopyHandler
						.createMarkerReport(this, markers);
		}
	}
	/**
	 * Return the fields that are not hidden.
	 * 
	 * @return Object[]
	 */
	Object[] getHiddenFields() {
		return builder.getHiddenFields();
	}
	/**
	 * @param visible
	 */
	void setVisibleFields(Collection visible) {
		builder.setVisibleFields(visible);
		viewer.setSelection(new StructuredSelection());
		viewer.removeAndClearAll();
		createColumns(viewer.getTree().getColumns());
		viewer.refresh();
	}
	/**
	 * @return the viewer
	 */
	TreeViewer getViewer() {
		return viewer;
	}
}