001/* ===========================================================
002 * Orson Charts : a 3D chart library for the Java(tm) platform
003 * ===========================================================
004 * 
005 * (C)opyright 2013-2022, by David Gilbert.  All rights reserved.
006 * 
007 * https://github.com/jfree/orson-charts
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 org.jfree.chart3d.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 final Map<String, Font> fontChanges;
048    
049    private final Map<String, Color> foregroundColorChanges;
050    
051    private final 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<>(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}