Mercurial > mxd2map

annotate src/java/de/intevation/mxd/reader/LabelEngineReader.java @ 317:5a2b5bc066eb

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Implement Label Styles and Labels with background
author Andre Heinecke <aheinecke@intevation.de>
date Thu, 20 Sep 2012 12:55:21 +0200
parents 2cb2f26d0d54
children
rev   line source
243
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1 /*
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2 * Copyright (c) 2011 by Intevation GmbH, Germany <info@intevation.de>
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3 *
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4 * This file is part of MXD2map.
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5 *
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6 * This program is free software under the LGPL (>=v2.1)
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7 * Read the file LICENCE.txt coming with the software for details
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8 * or visit http://www.gnu.org/licenses/ if it does not exist.
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9 *
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10 * MXD2map has been developed on behalf of the
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11 * Bundesamt fuer Seeschifffahrt und Hydrographie (BSH) in Hamburg
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12 * by Intevation GmbH.
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13 *
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14 * Authors:
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15 * Raimund Renkert <raimund.renkert@intevation.de>
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16 * Bjoern Schilberg <bjoern.schilberg@intevation.de>
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17 * Stephan Holl <stephan.holl@intevation.de>
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18 */
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19
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20 package de.intevation.mxd.reader;
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21
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22 import org.apache.log4j.Logger;
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23
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24 import com.esri.arcgis.carto.IAnnotateLayerProperties;
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25 import com.esri.arcgis.carto.LabelEngineLayerProperties;
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26 import com.esri.arcgis.display.ITextSymbol;
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27 import com.esri.arcgis.display.TextSymbol;
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28
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29 import org.w3c.dom.Element;
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30
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31 import de.intevation.mxd.utils.MapToXMLUtils;
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32 import java.io.IOException;
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33
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34 /**
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35 * Reads Label information.
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36 *
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37 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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38 */
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39 public class LabelEngineReader {
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40
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41 /**
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42 * The logger.
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43 */
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44 private static final Logger logger =
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45 Logger.getLogger(LabelEngineReader.class);
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46
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47 /**
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48 * Privte member.
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49 */
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50 private LabelEngineLayerProperties properties;
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51 private MapToXMLUtils util;
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52 private Element parent;
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53
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54 /**
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55 * Constructor with annotation properties.
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56 *
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57 * @param prop The annotation properties object.
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58 */
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59 public LabelEngineReader(IAnnotateLayerProperties prop)
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60 throws Exception {
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61 if(prop instanceof LabelEngineLayerProperties) {
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62 this.properties = (LabelEngineLayerProperties)prop;
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63 }
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64 else {
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65 throw new Exception("Not an instance of" +
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66 " LaberEngineLayerProperties: " +
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67 prop.getClass().toString());
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68 }
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69 }
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70
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71 /**
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72 * Setter for XML document helper.
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73 *
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74 * @param util The helper for storing map information.
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75 */
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76 public void setUtil(MapToXMLUtils util) {
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77 this.util = util;
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78 }
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79
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80 /**
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81 * Setter for the parent DOM element.
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82 *
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83 * @param parent The parent DOM element.
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84 */
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85 public void setParent(Element parent) {
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86 this.parent = parent;
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87 }
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88
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89 /**
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90 * Reads the Label content.
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91 *
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92 * @return The label XML element.
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93 */
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94 public Element read()
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95 throws IOException{
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96 logger.debug("read()");
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97 Element labelElement;
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98 try {
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99 labelElement = util.addLabel(parent);
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100 }
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101 catch(Exception e) {
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102 logger.error("Failed to create DOM-Element for Label.");
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103 return null;
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104 }
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105
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106 try {
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107 labelElement.setAttribute(
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108 "expression",
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109 properties.getExpression());
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110 }
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111 catch(IOException ioe) {
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112 logger.warn("Could not read label expression.");
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113 return null;
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114 }
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115
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116 try {
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117 labelElement.setAttribute(
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118 "offset",
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119 String.valueOf(properties.getOffset()));
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120 }
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121 catch(IOException ioe) {
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122 logger.warn("Could not read label offset.");
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123 }
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124
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125 try {
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126 labelElement.setAttribute(
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127 "definition_query",
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128 properties.getWhereClause());
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129 }
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130 catch(IOException ioe) {
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131 logger.warn("Could not read label where clause.");
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132 }
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133
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134 try {
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135 labelElement.setAttribute(
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136 "max_scale",
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137 String.valueOf(properties.getAnnotationMaximumScale()));
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138 labelElement.setAttribute(
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139 "min_scale",
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140 String.valueOf(properties.getAnnotationMinimumScale()));
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141 }
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142 catch(IOException ioe) {
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143 logger.warn("Could not read label scale.");
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144 }
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145
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146 try {
179
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147 ITextSymbol sym = properties.getSymbol();
180
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148 if(sym instanceof TextSymbol) {
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149 TextSymbolReader tsr = new TextSymbolReader(sym);
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150 tsr.setParent(labelElement);
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151 tsr.setUtil(util);
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152 tsr.read();
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153 }
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154 }
179
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155 catch(Exception e) {
180
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156 logger.warn("Could not read label text symbol.");
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157 }
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158
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159 return labelElement;
179
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160 }
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161 }
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162 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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