svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_mapcontext / src / org / gvsig / fmap / mapcontext / rendering / legend / LegendFactory.java @ 23750
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1 | 21200 | vcaballero | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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2 | *
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3 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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4 | *
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5 | * This program is free software; you can redistribute it and/or
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6 | * modify it under the terms of the GNU General Public License
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7 | * as published by the Free Software Foundation; either version 2
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8 | * of the License, or (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program; if not, write to the Free Software
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17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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18 | *
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19 | * For more information, contact:
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20 | *
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21 | * Generalitat Valenciana
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22 | * Conselleria d'Infraestructures i Transport
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23 | * Av. Blasco Ib??ez, 50
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24 | * 46010 VALENCIA
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25 | * SPAIN
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26 | *
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27 | * +34 963862235
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28 | * gvsig@gva.es
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29 | * www.gvsig.gva.es
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30 | *
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31 | * or
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32 | *
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33 | * IVER T.I. S.A
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34 | * Salamanca 50
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35 | * 46005 Valencia
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36 | * Spain
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37 | *
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38 | * +34 963163400
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39 | * dac@iver.es
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40 | */
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41 | package org.gvsig.fmap.mapcontext.rendering.legend; |
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42 | |||
43 | import java.awt.Color; |
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44 | import java.util.Random; |
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45 | |||
46 | 23750 | jjdelcerro | import org.gvsig.fmap.data.exceptions.ReadException; |
47 | 21200 | vcaballero | import org.gvsig.fmap.mapcontext.rendering.symbols.SymbologyFactory; |
48 | |||
49 | import com.iver.utiles.XMLEntity; |
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50 | 23183 | vcaballero | import com.iver.utiles.XMLException; |
51 | 21200 | vcaballero | |
52 | |||
53 | /**
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54 | * Clase factoria de las diferentes leyendas.
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55 | *
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56 | * @author Fernando Gonz?lez Cort?s
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57 | */
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58 | public class LegendFactory { |
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59 | /**
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60 | * Crea un objeto renderer de s?mbolo ?nico con las caracter?sticas que se
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61 | * pasan como par?metro
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62 | *
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63 | * @param shapeType Tipo de shape.
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64 | *
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65 | * @return VectorialLegend.
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66 | */
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67 | public static IVectorLegend createSingleSymbolLegend(int shapeType) { |
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68 | Random rand = new Random(); |
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69 | |||
70 | int numreg = rand.nextInt(255/2); |
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71 | double div = (1-rand.nextDouble()*0.66)*0.9; |
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72 | Color randomColor = new Color( |
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73 | ((int) (255*div + (numreg * rand.nextDouble()))) % 255, |
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74 | ((int) (255*div + (numreg * rand.nextDouble()))) % 255, |
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75 | ((int) (255*div + (numreg * rand.nextDouble()))) % 255); |
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76 | return new SingleSymbolLegend( |
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77 | SymbologyFactory.createDefaultSymbolByShapeType(shapeType, randomColor)); |
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78 | |||
79 | } |
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80 | |||
81 | /**
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82 | * Crea un objeto VectorialUniqueValueLegend vac?o, dispuesto para cargar
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83 | * s?mbolos
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84 | *
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85 | * @param shapeType Tipo de shape.
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86 | *
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87 | * @return VectorialUniqueValueLegend.
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88 | */
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89 | public static VectorialUniqueValueLegend createVectorialUniqueValueLegend( |
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90 | int shapeType) {
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91 | return new VectorialUniqueValueLegend(shapeType); |
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92 | } |
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93 | |||
94 | /**
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95 | * Crea un objeto VectorialIntervalLegend vac?o, dispuesto para cargar
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96 | * s?mbolos
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97 | *
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98 | * @param shapeType tipo de shape.
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99 | *
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100 | * @return VectorialIntervalLegend
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101 | */
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102 | public static VectorialIntervalLegend createVectorialIntervalLegend( |
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103 | int shapeType) {
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104 | return new VectorialIntervalLegend(shapeType); |
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105 | } |
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106 | |||
107 | /**
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108 | * Crea un renderer con la informaci?n contenida en el objeto XMLEntity
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109 | *
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110 | * @param xml XMLEntity.
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111 | *
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112 | * @return VectorialLegend
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113 | *
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114 | * @throws XMLException
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115 | */
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116 | public static IVectorLegend createFromXML(XMLEntity xml) |
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117 | throws XMLException {
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118 | //TODO Implementar bien
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119 | try {
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120 | IVectorLegend vl = null;
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121 | Class clase = Class.forName(xml.getStringProperty("className")); |
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122 | vl = (IVectorLegend) clase.newInstance(); |
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123 | vl.setXMLEntity(xml); |
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124 | |||
125 | return vl;
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126 | } catch (ClassNotFoundException e) { |
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127 | 23183 | vcaballero | throw new XMLLegendException(e); |
128 | 21200 | vcaballero | } catch (InstantiationException e) { |
129 | 23183 | vcaballero | throw new XMLLegendException(e); |
130 | 21200 | vcaballero | } catch (IllegalAccessException e) { |
131 | 23183 | vcaballero | throw new XMLLegendException(e); |
132 | 21200 | vcaballero | } |
133 | } |
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134 | |||
135 | /**
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136 | * Clona la leyenda.
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137 | *
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138 | * @param l VectorialLegend a clonar.
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139 | *
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140 | * @return VectorialLegend cloando.
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141 | *
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142 | * @throws XMLException
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143 | * @throws ReadException
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144 | */
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145 | public static IVectorLegend cloneLegend(IVectorLegend l) |
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146 | throws XMLException, ReadException{
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147 | 22751 | vcaballero | return createFromXML(l.getXMLEntity());
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148 | 21200 | vcaballero | } |
149 | } |