Исходный код

001/*
002 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.  Oracle designates this
008 * particular file as subject to the "Classpath" exception as provided
009 * by Oracle in the LICENSE file that accompanied this code.
010 *
011 * This code is distributed in the hope that it will be useful, but WITHOUT
012 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
013 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
014 * version 2 for more details (a copy is included in the LICENSE file that
015 * accompanied this code).
016 *
017 * You should have received a copy of the GNU General Public License version
018 * 2 along with this work; if not, write to the Free Software Foundation,
019 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
020 *
021 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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024 */
025
026package javafx.scene.control;
027
028/**
029 * An immutable wrapper class for use by the column resize policies offered by
030 * controls such as {@link TableView} and {@link TreeTableView}. 
031 */
032public class ResizeFeaturesBase<S> {
033  private final TableColumnBase<S,?> column;
034  private final Double delta;
035
036  /**
037   * Creates an instance of this class, with the provided TableColumnBase and 
038   * delta values being set and stored in this immutable instance.
039   * 
040   * @param column The column upon which the resize is occurring, or null
041   *      if this ResizeFeatures instance is being created as a result of a
042   *      resize operation.
043   * @param delta The amount of horizontal space added or removed in the 
044   *      resize operation.
045   */
046  public ResizeFeaturesBase(TableColumnBase<S,?> column, Double delta) {
047      this.column = column;
048      this.delta = delta;
049  }
050
051  /**
052   * Returns the column upon which the resize is occurring, or null
053   * if this ResizeFeatures instance was created as a result of a
054   * resize operation.
055   */
056  public TableColumnBase<S,?> getColumn() { return column; }
057
058  /**
059   * Returns the amount of horizontal space added or removed in the 
060   * resize operation.
061   */
062  public Double getDelta() { return delta; }
063}