    001/* ===========================================================
    002 * Orson Charts : a 3D chart library for the Java(tm) platform
    003 * ===========================================================
    004 *
    005 * (C)opyright 2013-2016, by Object Refinery Limited.  All rights reserved.
    006 *
    007 * http://www.object-refinery.com/orsoncharts/index.html
    008 *
    009 * This program is free software: you can redistribute it and/or modify
    010 * it under the terms of the GNU General Public License as published by
    011 * the Free Software Foundation, either version 3 of the License, or
    012 * (at your option) any later version.
    013 *
    014 * This program is distributed in the hope that it will be useful,
    015 * but WITHOUT ANY WARRANTY; without even the implied warranty of
    016 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    017 * GNU General Public License for more details.
    018 *
    019 * You should have received a copy of the GNU General Public License
    020 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    021 *
    022 * [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
    023 * Other names may be trademarks of their respective owners.]
    024 *
    025 * If you do not wish to be bound by the terms of the GPL, an alternative
    026 * commercial license can be purchased.  For details, please see visit the
    027 * Orson Charts home page:
    028 *
    029 * http://www.object-refinery.com/orsoncharts/index.html
    030 *
    031 */
    032
    033package com.orsoncharts.table;
    034
    035import java.awt.Color;
    036import java.awt.Font;
    037import java.util.HashMap;
    038import java.util.Map;
    039
    040/**
    041 * A table element visitor that applies style changes.
    042 *
    043 * @since 1.2
    044 */
    045public class TableElementStyler implements TableElementVisitor {
    046
    047    private Map<String, Font> fontChanges;
    048
    049    private Map<String, Color> foregroundColorChanges;
    050
    051    private Map<String, Color> backgroundColorChanges;
    052
    053    /**
    054     * Creates a new styler.  The keys in each map are tag values - each
    055     * element with a matching tag will have the associated value applied
    056     * to it.
    057     *
    058     * @param fontChanges  a map of font changes.
    059     * @param fgChanges  a map of foreground color changes.
    060     * @param bgChanges  a map of background color changes.
    061     */
    062    public TableElementStyler(Map<String, Font> fontChanges,
    063            Map<String, Color> fgChanges, Map<String, Color> bgChanges) {
    064        this.fontChanges = new HashMap<String, Font>(fontChanges);
    065        this.foregroundColorChanges = fgChanges;
    066        this.backgroundColorChanges = bgChanges;
    067    }
    068
    069    @Override
    070    public void visit(TableElement element) {
    071        if (element instanceof TextElement) {
    072            TextElement te = (TextElement) element;
    073            Font f = this.fontChanges.get(te.getTag());
    074            if (f != null) {
    075                te.setFont(f);
    076            }
    077            Color bg = this.backgroundColorChanges.get(te.getTag());
    078            if (bg != null) {
    079                te.setBackgroundColor(bg);
    080            }
    081            Color fg = this.foregroundColorChanges.get(te.getTag());
    082            if (fg != null) {
    083                te.setColor(fg);
    084            }
    085        }
    086    }
    087
    088}