svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.library / org.gvsig.symbology / org.gvsig.symbology.lib / org.gvsig.symbology.lib.impl / src / main / java / org / gvsig / symbology / fmap / mapcontext / rendering / symbol / impl / AbstractSymbol.java @ 43510
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1 | 40560 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | 40435 | jjdelcerro | *
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4 | 40560 | jjdelcerro | * Copyright (C) 2007-2013 gvSIG Association.
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5 | *
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6 | 40435 | jjdelcerro | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | 40560 | jjdelcerro | * as published by the Free Software Foundation; either version 3
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9 | 40435 | jjdelcerro | * of the License, or (at your option) any later version.
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10 | 40560 | jjdelcerro | *
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11 | 40435 | jjdelcerro | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | 40560 | jjdelcerro | *
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16 | 40435 | jjdelcerro | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | 40560 | jjdelcerro | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | 40435 | jjdelcerro | * MA 02110-1301, USA.
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20 | 40560 | jjdelcerro | *
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21 | * For any additional information, do not hesitate to contact us
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22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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23 | 40435 | jjdelcerro | */
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24 | package org.gvsig.symbology.fmap.mapcontext.rendering.symbol.impl; |
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25 | |||
26 | import java.awt.Rectangle; |
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27 | |||
28 | import org.gvsig.fmap.geom.Geometry; |
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29 | import org.gvsig.fmap.mapcontext.MapContext; |
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30 | import org.gvsig.fmap.mapcontext.MapContextLocator; |
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31 | import org.gvsig.fmap.mapcontext.ViewPort; |
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32 | import org.gvsig.fmap.mapcontext.rendering.symbols.CartographicSupport; |
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33 | import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol; |
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34 | 41398 | jjdelcerro | import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol_v2; |
35 | 40435 | jjdelcerro | import org.gvsig.fmap.mapcontext.rendering.symbols.SymbolPreferences; |
36 | import org.gvsig.tools.ToolsLocator; |
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37 | import org.gvsig.tools.dynobject.DynStruct; |
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38 | import org.gvsig.tools.persistence.PersistenceManager; |
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39 | import org.gvsig.tools.persistence.PersistentState; |
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40 | import org.gvsig.tools.persistence.exception.PersistenceException; |
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41 | import org.gvsig.tools.util.Callable; |
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42 | import org.slf4j.Logger; |
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43 | import org.slf4j.LoggerFactory; |
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44 | |||
45 | /**
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46 | * Abstract class that implements the interface the interface for symbols.It is
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47 | * considered as the father of all XXXSymbols and will implement all the methods
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48 | * that these classes had not developed (and correspond with one of the methods
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49 | * of AbstractSymbol class)
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50 | *
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51 | * @author 2005-2008 jaume dominguez faus - jaume.dominguez@iver.es
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52 | * @author 2009- <a href="cordinyana@gvsig.org">C?sar Ordi?ana</a> - gvSIG team
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53 | */
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54 | 41398 | jjdelcerro | public abstract class AbstractSymbol implements ISymbol_v2, CartographicSupport { |
55 | 40435 | jjdelcerro | |
56 | private static final Logger LOG = LoggerFactory.getLogger(AbstractSymbol.class); |
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57 | |||
58 | public static final String SYMBOL_PERSISTENCE_DEFINITION_NAME = "Symbol"; |
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59 | |||
60 | private static final String FIELD_UNIT = "unit"; |
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61 | |||
62 | private static final String FIELD_REFERENCE_SYSTEM = "referenceSystem"; |
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63 | |||
64 | private static final String FIELD_IS_SHAPE_VISIBLE = "isShapeVisible"; |
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65 | |||
66 | private static final String FIELD_DESCRIPTION = "description"; |
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67 | |||
68 | |||
69 | private String desc; |
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70 | 41398 | jjdelcerro | private String id; |
71 | 40435 | jjdelcerro | private int unit; |
72 | private int referenceSystem; |
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73 | |||
74 | private boolean isShapeVisible = true; |
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75 | |||
76 | public AbstractSymbol() {
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77 | super();
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78 | SymbolPreferences preferences = |
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79 | MapContextLocator.getSymbolManager().getSymbolPreferences(); |
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80 | unit = |
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81 | preferences.getDefaultCartographicSupportMeasureUnit(); |
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82 | referenceSystem = |
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83 | preferences.getDefaultCartographicSupportReferenceSystem(); |
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84 | } |
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85 | |||
86 | public final void setDescription(String desc) { |
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87 | this.desc = desc;
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88 | } |
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89 | |||
90 | public final String getDescription() { |
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91 | return desc;
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92 | } |
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93 | |||
94 | 41398 | jjdelcerro | /**
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95 | * Set the id ob the symbol (the basename of file)
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96 | *
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97 | * @param id
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98 | */
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99 | public final void setID(String id) { |
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100 | this.id = id;
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101 | } |
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102 | |||
103 | /**
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104 | * Get the id ob the symbol (the basename of file)
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105 | *
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106 | * @param id
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107 | */
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108 | public final String getID() { |
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109 | return id;
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110 | } |
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111 | |||
112 | |||
113 | 40435 | jjdelcerro | /**
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114 | * @return
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115 | * @uml.property name="isShapeVisible"
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116 | */
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117 | public final boolean isShapeVisible() { |
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118 | return isShapeVisible;
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119 | } |
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120 | |||
121 | /**
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122 | * Sets this symbol to visible
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123 | *
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124 | * @param isShapeVisible
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125 | */
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126 | public final void setIsShapeVisible(boolean isShapeVisible) { |
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127 | this.isShapeVisible = isShapeVisible;
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128 | } |
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129 | |||
130 | public void setUnit(int unitIndex) { |
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131 | this.unit = unitIndex;
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132 | } |
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133 | |||
134 | public int getUnit() { |
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135 | return this.unit; |
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136 | } |
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137 | |||
138 | public int getReferenceSystem() { |
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139 | return this.referenceSystem; |
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140 | } |
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141 | |||
142 | public void setReferenceSystem(int system) { |
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143 | this.referenceSystem = system;
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144 | |||
145 | } |
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146 | 40981 | jjdelcerro | |
147 | private boolean areEquals(Object a,Object b) { |
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148 | if( a==null ) { |
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149 | if( b==null) { |
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150 | return true; |
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151 | } |
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152 | return false; |
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153 | } else {
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154 | if( b == null ) { |
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155 | return false; |
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156 | } |
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157 | } |
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158 | return a.equals(b);
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159 | } |
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160 | 40435 | jjdelcerro | |
161 | public boolean equals(Object obj) { |
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162 | 41016 | jjdelcerro | ISymbol other = null;
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163 | 40981 | jjdelcerro | |
164 | if( obj==null ) { |
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165 | 40435 | jjdelcerro | return false; |
166 | } |
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167 | 40981 | jjdelcerro | if( ! areEquals(obj.getClass(),this.getClass()) ) { |
168 | 41016 | jjdelcerro | // El try/catch y la salida al log es una medida
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169 | // temporal hasta que averiguemos quien causa que
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170 | // pase por aqui, ya que no parece razonable que
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171 | // desde gvSIG se invoque con algo que no sea un ISymbol.
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172 | try {
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173 | other = (ISymbol) obj; |
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174 | } catch(Exception ex) { |
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175 | LOG.warn("Suspicious comparison between ISymbol and '"+obj.getClass().getName()+"'.",ex); |
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176 | } |
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177 | 40981 | jjdelcerro | return false; |
178 | 40435 | jjdelcerro | } |
179 | 41015 | jldominguez | |
180 | 41016 | jjdelcerro | other = (ISymbol) obj; |
181 | 41015 | jldominguez | |
182 | 40981 | jjdelcerro | if( ! areEquals(other.getColor(),this.getColor()) ) { |
183 | 40435 | jjdelcerro | return false; |
184 | } |
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185 | 40981 | jjdelcerro | if( other.getOnePointRgb() != this.getOnePointRgb()) { |
186 | return false; |
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187 | 40435 | jjdelcerro | } |
188 | 40981 | jjdelcerro | if( ! areEquals(other.getDescription(),this.getDescription()) ) { |
189 | return false; |
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190 | } |
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191 | 40435 | jjdelcerro | return true; |
192 | } |
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193 | |||
194 | public boolean isOneDotOrPixel(Geometry geom, |
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195 | double[] positionOfDotOrPixel, ViewPort viewPort, int dpi) { |
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196 | |||
197 | int type = geom.getType();
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198 | switch (type) {
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199 | case Geometry.TYPES.NULL:
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200 | case Geometry.TYPES.POINT:
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201 | case Geometry.TYPES.MULTIPOINT:
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202 | return false; |
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203 | default:
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204 | org.gvsig.fmap.geom.primitive.Envelope geomBounds = geom |
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205 | .getEnvelope(); |
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206 | |||
207 | double dist1Pixel = viewPort.getDist1pixel();
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208 | |||
209 | float[] distances = new float[2]; |
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210 | this.getPixExtentPlus(geom, distances, viewPort, dpi);
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211 | |||
212 | boolean onePoint =
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213 | (geomBounds.getLength(0) + distances[0] <= dist1Pixel && geomBounds |
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214 | .getLength(1)
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215 | + distances[1] <= dist1Pixel);
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216 | |||
217 | if (onePoint) {
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218 | Rectangle bounds = geom.getShape().getBounds();
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219 | positionOfDotOrPixel[0] = bounds.x;
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220 | positionOfDotOrPixel[1] = bounds.y;
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221 | } |
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222 | return onePoint;
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223 | } |
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224 | } |
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225 | |||
226 | public Object clone() throws CloneNotSupportedException { |
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227 | return super.clone(); |
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228 | } |
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229 | |||
230 | protected ISymbol cloneForSelection() {
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231 | try {
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232 | ISymbol selectionSymbol = (ISymbol) clone(); |
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233 | selectionSymbol.setColor(MapContext.getSelectionColor()); |
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234 | if (getDescription() != null){ |
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235 | selectionSymbol.setDescription(getDescription().concat( |
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236 | " version for selection"));
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237 | }else{
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238 | selectionSymbol.setDescription("version for selection");
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239 | } |
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240 | return selectionSymbol;
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241 | } catch (CloneNotSupportedException e) { |
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242 | LOG.error( |
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243 | "Error creating the selection symbol for the symbol "
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244 | + this, e);
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245 | } |
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246 | return null; |
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247 | } |
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248 | |||
249 | public void loadFromState(PersistentState state) |
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250 | throws PersistenceException {
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251 | setDescription(state.getString(FIELD_DESCRIPTION)); |
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252 | setIsShapeVisible(state.getBoolean(FIELD_IS_SHAPE_VISIBLE)); |
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253 | setReferenceSystem(state.getInt(FIELD_REFERENCE_SYSTEM)); |
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254 | setUnit(state.getInt(FIELD_UNIT)); |
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255 | } |
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256 | |||
257 | public void saveToState(PersistentState state) throws PersistenceException { |
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258 | state.set(FIELD_DESCRIPTION, getDescription()); |
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259 | state.set(FIELD_IS_SHAPE_VISIBLE, isShapeVisible()); |
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260 | state.set(FIELD_REFERENCE_SYSTEM, getReferenceSystem()); |
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261 | state.set(FIELD_UNIT, getUnit()); |
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262 | } |
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263 | |||
264 | public static class RegisterPersistence implements Callable { |
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265 | |||
266 | public Object call() throws Exception { |
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267 | PersistenceManager manager = ToolsLocator.getPersistenceManager(); |
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268 | if( manager.getDefinition(SYMBOL_PERSISTENCE_DEFINITION_NAME)==null ) { |
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269 | DynStruct definition = manager.addDefinition( |
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270 | AbstractSymbol.class, |
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271 | SYMBOL_PERSISTENCE_DEFINITION_NAME, |
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272 | SYMBOL_PERSISTENCE_DEFINITION_NAME+" persistence definition",
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273 | null,
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274 | null
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275 | ); |
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276 | // Description
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277 | definition.addDynFieldString(FIELD_DESCRIPTION); |
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278 | // Is Shape Visible
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279 | definition.addDynFieldBoolean(FIELD_IS_SHAPE_VISIBLE).setMandatory(true);
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280 | // Reference system
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281 | definition.addDynFieldInt(FIELD_REFERENCE_SYSTEM).setMandatory(true);
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282 | // Unit
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283 | definition.addDynFieldInt(FIELD_UNIT).setMandatory(true);
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284 | } |
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285 | return Boolean.TRUE; |
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286 | } |
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287 | |||
288 | } |
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289 | |||
290 | |||
291 | } |