Application: gvSIG desktop » Library: org.gvsig.tools

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 3

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.tools.swing.impl.coerce;

import java.awt.Color;

import java.util.HashMap;

import java.util.Map;

import org.apache.commons.lang3.StringUtils;

import org.apache.commons.lang3.math.NumberUtils;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dataTypes.AbstractCoercion;

import org.gvsig.tools.dataTypes.CoercionContext;

import org.gvsig.tools.dataTypes.CoercionException;

import org.gvsig.tools.dataTypes.DataTypesManager;

import org.gvsig.tools.swing.api.DataTypes;

public class CoerceToColor extends AbstractCoercion {

  private static Map<String, Color> colorTable = null;

  @Override

  public Object coerce(Object value, CoercionContext context) throws CoercionException {

    if (value == null || value instanceof Color) {

      return value;

    }

    try {

      if (value instanceof Number) {

        int rgb = ((Number) value).intValue();

        Color color = new Color(rgb); // Alpha??

        return color;

      }

      String s = value.toString().trim();

      if (s.startsWith("rgb(")) {

        s = s.replace(")", "");

        String[] x = StringUtils.split(s, ",");

        if (x.length < 3 || x.length > 4) {

          throw new CoercionException("Can't convert '" + value.toString() + "' to color.");

        }

        try {

          Color color;

          int r = NumberUtils.createInteger(x[0]);

          int g = NumberUtils.createInteger(x[1]);

          int b = NumberUtils.createInteger(x[2]);

          if (x.length == 3) {

            color = new Color(r, g, b);

          } else {

            int a = NumberUtils.createInteger(x[3]);

            color = new Color(r, g, b, a);

          }

          return color;

        } catch (NumberFormatException ex) {

          throw new CoercionException("Can't convert '" + value.toString() + "' to color.");

        }

      }

      if (s.startsWith("#")) {

        s = "0x" + s.substring(1);

      }

      try {

        int rgb = NumberUtils.createInteger(s);

        Color color = new Color(rgb);

        return color;

      } catch (NumberFormatException ex) {

        // Pass, do nothing

      }

      Color color = this.getColor(s);

      if (color == null) {

        throw new CoercionException("Can't convert '" + value.toString() + "' to color.");

      }

      return color;

    } catch (Exception e) {

      throw new CoercionException(e);

    }

  }

  private Color getColor(String name) {

    if (colorTable == null) {

      //

      // HTML Color Names

      // from https://www.w3schools.com/colors/colors_names.asp

      //

      colorTable = new HashMap<>();

      colorTable.put("aliceblue", new Color(0xF0, 0xF8, 0xFF));

      colorTable.put("antiquewhite", new Color(0xFA, 0xEB, 0xD7));

      colorTable.put("aqua", new Color(0x00, 0xFF, 0xFF));

      colorTable.put("aquamarine", new Color(0x7F, 0xFF, 0xD4));

      colorTable.put("azure", new Color(0xF0, 0xFF, 0xFF));

      colorTable.put("beige", new Color(0xF5, 0xF5, 0xDC));

      colorTable.put("bisque", new Color(0xFF, 0xE4, 0xC4));

      colorTable.put("black", new Color(0x00, 0x00, 0x00));

      colorTable.put("blanchedalmond", new Color(0xFF, 0xEB, 0xCD));

      colorTable.put("blue", new Color(0x00, 0x00, 0xFF));

      colorTable.put("blueviolet", new Color(0x8A, 0x2B, 0xE2));

      colorTable.put("brown", new Color(0xA5, 0x2A, 0x2A));

      colorTable.put("burlywood", new Color(0xDE, 0xB8, 0x87));

      colorTable.put("cadetblue", new Color(0x5F, 0x9E, 0xA0));

      colorTable.put("chartreuse", new Color(0x7F, 0xFF, 0x00));

      colorTable.put("chocolate", new Color(0xD2, 0x69, 0x1E));

      colorTable.put("coral", new Color(0xFF, 0x7F, 0x50));

      colorTable.put("cornflowerblue", new Color(0x64, 0x95, 0xED));

      colorTable.put("cornsilk", new Color(0xFF, 0xF8, 0xDC));

      colorTable.put("crimson", new Color(0xDC, 0x14, 0x3C));

      colorTable.put("cyan", new Color(0x00, 0xFF, 0xFF));

      colorTable.put("darkblue", new Color(0x00, 0x00, 0x8B));

      colorTable.put("darkcyan", new Color(0x00, 0x8B, 0x8B));

      colorTable.put("darkgoldenRod", new Color(0xB8, 0x86, 0x0B));

      colorTable.put("darkgray", new Color(0xA9, 0xA9, 0xA9));

      colorTable.put("darkgrey", new Color(0xA9, 0xA9, 0xA9));

      colorTable.put("darkgreen", new Color(0x00, 0x64, 0x00));

      colorTable.put("darkkhaki", new Color(0xBD, 0xB7, 0x6B));

      colorTable.put("darkmagenta", new Color(0x8B, 0x00, 0x8B));

      colorTable.put("darkolivegreen", new Color(0x55, 0x6B, 0x2F));

      colorTable.put("darkorange", new Color(0xFF, 0x8C, 0x00));

      colorTable.put("darkorchid", new Color(0x99, 0x32, 0xCC));

      colorTable.put("darkred", new Color(0x8B, 0x00, 0x00));

      colorTable.put("darksalmon", new Color(0xE9, 0x96, 0x7A));

      colorTable.put("darkseagreen", new Color(0x8F, 0xBC, 0x8F));

      colorTable.put("darkslateblue", new Color(0x48, 0x3D, 0x8B));

      colorTable.put("darkslategray", new Color(0x2F, 0x4F, 0x4F));

      colorTable.put("darkslategrey", new Color(0x2F, 0x4F, 0x4F));

      colorTable.put("darkturquoise", new Color(0x00, 0xCE, 0xD1));

      colorTable.put("darkviolet", new Color(0x94, 0x00, 0xD3));

      colorTable.put("deeppink", new Color(0xFF, 0x14, 0x93));

      colorTable.put("deepskyblue", new Color(0x00, 0xBF, 0xFF));

      colorTable.put("dimgray", new Color(0x69, 0x69, 0x69));

      colorTable.put("dimgrey", new Color(0x69, 0x69, 0x69));

      colorTable.put("dodgerblue", new Color(0x1E, 0x90, 0xFF));

      colorTable.put("firebrick", new Color(0xB2, 0x22, 0x22));

      colorTable.put("floralwhite", new Color(0xFF, 0xFA, 0xF0));

      colorTable.put("forestgreen", new Color(0x22, 0x8B, 0x22));

      colorTable.put("fuchsia", new Color(0xFF, 0x00, 0xFF));

      colorTable.put("gainsboro", new Color(0xDC, 0xDC, 0xDC));

      colorTable.put("ghostwhite", new Color(0xF8, 0xF8, 0xFF));

      colorTable.put("gold", new Color(0xFF, 0xD7, 0x00));

      colorTable.put("goldenrod", new Color(0xDA, 0xA5, 0x20));

      colorTable.put("gray", new Color(0x80, 0x80, 0x80));

      colorTable.put("grey", new Color(0x80, 0x80, 0x80));

      colorTable.put("green", new Color(0x00, 0x80, 0x00));

      colorTable.put("greenyellow", new Color(0xAD, 0xFF, 0x2F));

      colorTable.put("honeydew", new Color(0xF0, 0xFF, 0xF0));

      colorTable.put("hotpink", new Color(0xFF, 0x69, 0xB4));

      colorTable.put("indianred", new Color(0xCD, 0x5C, 0x5C));

      colorTable.put("indigo", new Color(0x4B, 0x00, 0x82));

      colorTable.put("ivory", new Color(0xFF, 0xFF, 0xF0));

      colorTable.put("khaki", new Color(0xF0, 0xE6, 0x8C));

      colorTable.put("lavender", new Color(0xE6, 0xE6, 0xFA));

      colorTable.put("lavenderblush", new Color(0xFF, 0xF0, 0xF5));

      colorTable.put("lawnGreen", new Color(0x7C, 0xFC, 0x00));

      colorTable.put("lemonchiffon", new Color(0xFF, 0xFA, 0xCD));

      colorTable.put("lightblue", new Color(0xAD, 0xD8, 0xE6));

      colorTable.put("lightcoral", new Color(0xF0, 0x80, 0x80));

      colorTable.put("lightcyan", new Color(0xE0, 0xFF, 0xFF));

      colorTable.put("lightgoldenRodYellow", new Color(0xFA, 0xFA, 0xD2));

      colorTable.put("lightgray", new Color(0xD3, 0xD3, 0xD3));

      colorTable.put("lightgrey", new Color(0xD3, 0xD3, 0xD3));

      colorTable.put("lightgreen", new Color(0x90, 0xEE, 0x90));

      colorTable.put("lightpink", new Color(0xFF, 0xB6, 0xC1));

      colorTable.put("lightsalmon", new Color(0xFF, 0xA0, 0x7A));

      colorTable.put("lightseagreen", new Color(0x20, 0xB2, 0xAA));

      colorTable.put("lightskyblue", new Color(0x87, 0xCE, 0xFA));

      colorTable.put("lightslategray", new Color(0x77, 0x88, 0x99));

      colorTable.put("lightslategrey", new Color(0x77, 0x88, 0x99));

      colorTable.put("lightsteelblue", new Color(0xB0, 0xC4, 0xDE));

      colorTable.put("lightyellow", new Color(0xFF, 0xFF, 0xE0));

      colorTable.put("lime", new Color(0x00, 0xFF, 0x00));

      colorTable.put("limegreen", new Color(0x32, 0xCD, 0x32));

      colorTable.put("linen", new Color(0xFA, 0xF0, 0xE6));

      colorTable.put("magenta", new Color(0xFF, 0x00, 0xFF));

      colorTable.put("maroon", new Color(0x80, 0x00, 0x00));

      colorTable.put("mediumaquamarine", new Color(0x66, 0xCD, 0xAA));

      colorTable.put("mediumblue", new Color(0x00, 0x00, 0xCD));

      colorTable.put("mediumorchid", new Color(0xBA, 0x55, 0xD3));

      colorTable.put("mediumpurple", new Color(0x93, 0x70, 0xDB));

      colorTable.put("mediumseagreen", new Color(0x3C, 0xB3, 0x71));

      colorTable.put("mediumslateblue", new Color(0x7B, 0x68, 0xEE));

      colorTable.put("mediumspringgreen", new Color(0x00, 0xFA, 0x9A));

      colorTable.put("mediumturquoise", new Color(0x48, 0xD1, 0xCC));

      colorTable.put("mediumvioletred", new Color(0xC7, 0x15, 0x85));

      colorTable.put("midnightblue", new Color(0x19, 0x19, 0x70));

      colorTable.put("mintcream", new Color(0xF5, 0xFF, 0xFA));

      colorTable.put("mistyrose", new Color(0xFF, 0xE4, 0xE1));

      colorTable.put("moccasin", new Color(0xFF, 0xE4, 0xB5));

      colorTable.put("navajowhite", new Color(0xFF, 0xDE, 0xAD));

      colorTable.put("navy", new Color(0x00, 0x00, 0x80));

      colorTable.put("oldlace", new Color(0xFD, 0xF5, 0xE6));

      colorTable.put("olive", new Color(0x80, 0x80, 0x00));

      colorTable.put("olivedrab", new Color(0x6B, 0x8E, 0x23));

      colorTable.put("orange", new Color(0xFF, 0xA5, 0x00));

      colorTable.put("orangered", new Color(0xFF, 0x45, 0x00));

      colorTable.put("orchid", new Color(0xDA, 0x70, 0xD6));

      colorTable.put("palegoldenrod", new Color(0xEE, 0xE8, 0xAA));

      colorTable.put("palegreen", new Color(0x98, 0xFB, 0x98));

      colorTable.put("paleturquoise", new Color(0xAF, 0xEE, 0xEE));

      colorTable.put("palevioletred", new Color(0xDB, 0x70, 0x93));

      colorTable.put("papayawhip", new Color(0xFF, 0xEF, 0xD5));

      colorTable.put("peachpuff", new Color(0xFF, 0xDA, 0xB9));

      colorTable.put("peru", new Color(0xCD, 0x85, 0x3F));

      colorTable.put("pink", new Color(0xFF, 0xC0, 0xCB));

      colorTable.put("plum", new Color(0xDD, 0xA0, 0xDD));

      colorTable.put("powderblue", new Color(0xB0, 0xE0, 0xE6));

      colorTable.put("purple", new Color(0x80, 0x00, 0x80));

      colorTable.put("rebeccapurple", new Color(0x66, 0x33, 0x99));

      colorTable.put("red", new Color(0xFF, 0x00, 0x00));

      colorTable.put("rosybrown", new Color(0xBC, 0x8F, 0x8F));

      colorTable.put("royalblue", new Color(0x41, 0x69, 0xE1));

      colorTable.put("saddlebrown", new Color(0x8B, 0x45, 0x13));

      colorTable.put("salmon", new Color(0xFA, 0x80, 0x72));

      colorTable.put("sandybrown", new Color(0xF4, 0xA4, 0x60));

      colorTable.put("seagreen", new Color(0x2E, 0x8B, 0x57));

      colorTable.put("seashell", new Color(0xFF, 0xF5, 0xEE));

      colorTable.put("sienna", new Color(0xA0, 0x52, 0x2D));

      colorTable.put("silver", new Color(0xC0, 0xC0, 0xC0));

      colorTable.put("skyblue", new Color(0x87, 0xCE, 0xEB));

      colorTable.put("slateblue", new Color(0x6A, 0x5A, 0xCD));

      colorTable.put("Slategray", new Color(0x70, 0x80, 0x90));

      colorTable.put("slategrey", new Color(0x70, 0x80, 0x90));

      colorTable.put("snow", new Color(0xFF, 0xFA, 0xFA));

      colorTable.put("springgreen", new Color(0x00, 0xFF, 0x7F));

      colorTable.put("steelblue", new Color(0x46, 0x82, 0xB4));

      colorTable.put("tan", new Color(0xD2, 0xB4, 0x8C));

      colorTable.put("teal", new Color(0x00, 0x80, 0x80));

      colorTable.put("thistle", new Color(0xD8, 0xBF, 0xD8));

      colorTable.put("tomato", new Color(0xFF, 0x63, 0x47));

      colorTable.put("turquoise", new Color(0x40, 0xE0, 0xD0));

      colorTable.put("violet", new Color(0xEE, 0x82, 0xEE));

      colorTable.put("wheat", new Color(0xF5, 0xDE, 0xB3));

      colorTable.put("white", new Color(0xFF, 0xFF, 0xFF));

      colorTable.put("whitesmoke", new Color(0xF5, 0xF5, 0xF5));

      colorTable.put("yellow", new Color(0xFF, 0xFF, 0x00));

      colorTable.put("yellowgreen", new Color(0x9A, 0xCD, 0x32));

    }

    return colorTable.get(name.toLowerCase());

  }

  public static class CoerceColorToString extends AbstractCoercion {

    @Override

    public Object coerce(Object value, CoercionContext context) throws CoercionException {

      if (value == null || value instanceof String) {

        return value;

      }

      if (value instanceof Color) {

        int rgb = ((Color) value).getRGB();

        int r = ((Color) value).getRed();

        int g = ((Color) value).getGreen();

        int b = ((Color) value).getBlue();

        int a = ((Color) value).getAlpha();

        for (Map.Entry<String, Color> entry : colorTable.entrySet()) {

          String name = entry.getKey();

          Color color = entry.getValue();

          if (rgb == color.getRGB() && color.getAlpha() == a) {

            return name;

          }

        }

        return String.format("rgb(0x%02x,0x%02x,0x%02x,0x%02x)", r, g, b, a);

      }

      throw new CoercionException("Can't convert '" + value.getClass().getName() + "' to string");

    }

  }

  public static void selfRegister() {

    DataTypesManager dataTypesManager = ToolsLocator.getDataTypesManager();

    dataTypesManager.addtype(DataTypes.COLOR, null, "Color", Color.class, new CoerceToColor());

    dataTypesManager.addCoercion(DataTypes.STRING, new CoerceColorToString());

  }

}