| /******************************************************************************* |
| * Copyright (c) 2018 Ericsson |
| * |
| * All rights reserved. This program and the accompanying materials are |
| * made available under the terms of the Eclipse Public License 2.0 which |
| * accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| *******************************************************************************/ |
| |
| package org.eclipse.tracecompass.tmf.ui.widgets.timegraph.dialogs; |
| |
| /** |
| * Interface for actions to execute before checking a sub tree in a |
| * {@link TriStateFilteredCheckboxTree}. |
| * |
| * @author Loic Prieur-Drevon |
| * @since 4.0 |
| */ |
| public interface IPreCheckStateListener { |
| |
| /** |
| * Action to execute before selecting the tree |
| * |
| * @param element |
| * root element of the sub tree to select |
| * @param state |
| * selected state |
| * @return if we cancel the selection |
| */ |
| boolean setSubtreeChecked(Object element, boolean state); |
| } |
