Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/server/CollectionItemAttributeServiceImpl.java @ 4740:fb135e1dfa35

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Added 'type' attribute to <dc:variable/> element. If an optional 'type' attribute is given the result of the XPATH expression is interpreted as this type. Valid values are 'number', 'bool', 'node' and 'nodeset'. All other defaults to 'string' which also is the default if nor type is given.
author Sascha L. Teichmann <teichmann@intevation.de>
date Wed, 02 Jan 2013 15:31:53 +0100
parents 7a94d5e7fc3d
children b296d435fc69
rev   line source
1285
0f3b19df1880 Added new service and model for collection item attributes.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
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1 package de.intevation.flys.client.server;
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2
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3 import org.w3c.dom.Document;
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4 import org.w3c.dom.Element;
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5 import org.w3c.dom.NodeList;
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6
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7 import org.apache.log4j.Logger;
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8
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9 import com.google.gwt.user.server.rpc.RemoteServiceServlet;
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10
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11 import de.intevation.artifacts.httpclient.exceptions.ConnectionException;
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12 import de.intevation.artifacts.httpclient.http.HttpClient;
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13 import de.intevation.artifacts.httpclient.http.HttpClientImpl;
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14 import de.intevation.artifacts.httpclient.http.response.DocumentResponseHandler;
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15
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16 import de.intevation.artifacts.common.ArtifactNamespaceContext;
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17 import de.intevation.artifacts.common.utils.XMLUtils;
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18
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19 import de.intevation.flys.client.shared.exceptions.ServerException;
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20 import de.intevation.flys.client.client.services.CollectionItemAttributeService;
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21
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22 import de.intevation.flys.client.shared.model.Collection;
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23 import de.intevation.flys.client.shared.model.CollectionItemAttribute;
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24 import de.intevation.flys.client.shared.model.Style;
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25 import de.intevation.flys.client.shared.model.StyleSetting;
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26
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27
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28 /**
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29 *
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30 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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31 */
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32 public class CollectionItemAttributeServiceImpl
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33 extends RemoteServiceServlet
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34 implements CollectionItemAttributeService
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35 {
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36 private static final Logger logger =
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37 Logger.getLogger(CollectionItemAttributeServiceImpl.class);
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38
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39
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40 public static final String XPATH_RESULT = "/art:result/text()";
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41
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42 public static final String OPERATION_FAILURE = "FAILED";
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43
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44 public static final String ERROR_NO_STYLES_FOUND =
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45 "error_no_theme_styles_found";
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46
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47
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48 public CollectionItemAttribute getCollectionItemAttribute(
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49 Collection collection,
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50 String artifact,
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51 String locale)
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52 throws ServerException
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53 {
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54 logger.info(
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55 "CollectionItemAttributeServiceImpl.getCollectionItemAttribute");
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56
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57 String url = getServletContext().getInitParameter("server-url");
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58
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59 Document requestDoc = XMLUtils.newDocument();
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60
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61 XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator(
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62 requestDoc,
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63 ArtifactNamespaceContext.NAMESPACE_URI,
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64 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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65
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66 Element action = ec.create("action");
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67
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68 Element type = ec.create("type");
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69 ec.addAttr(type, "name", "getitemattribute", false);
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70
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71 Element art = ec.create("artifact");
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72 ec.addAttr(art, "uuid", artifact, false);
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73
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74 type.appendChild(art);
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75 action.appendChild(type);
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76 requestDoc.appendChild (action);
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77
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78 try {
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79 HttpClient client = new HttpClientImpl(url, locale);
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80 Document res = (Document) client.doCollectionAction(
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81 requestDoc,
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82 collection.identifier(),
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83 new DocumentResponseHandler());
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84 return readXML (res, artifact);
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85 }
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86 catch (ConnectionException ce) {
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87 logger.error(ce, ce);
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88 }
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89
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90 throw new ServerException(ERROR_NO_STYLES_FOUND);
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91 }
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92
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93
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94 public void setCollectionItemAttribute(
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95 Collection collection,
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96 String artifact,
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97 String locale,
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98 CollectionItemAttribute attributes)
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99 throws ServerException
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100 {
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101 logger.info(
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102 "CollectionItemAttributeServiceImpl.setCollectionItemAttribute");
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103
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104 String url = getServletContext().getInitParameter("server-url");
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105
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106 Document doc = writeXML(attributes, artifact);
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107
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108 try {
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109 HttpClient client = new HttpClientImpl(url, locale);
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110 Document res = (Document) client.doCollectionAction(
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111 doc,
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112 collection.identifier(),
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113 new DocumentResponseHandler());
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114
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115 return;
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116 }
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117 catch (ConnectionException ce) {
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118 logger.error(ce, ce);
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119 throw new ServerException(ce.getLocalizedMessage());
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120 }
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121 }
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122
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123 protected CollectionItemAttribute readXML(Document doc, String artifact)
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124 throws ServerException
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125 {
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126 CollectionItemAttribute cia = new CollectionItemAttribute();
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127 cia.setArtifact(artifact);
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128
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129 Element root = doc.getDocumentElement();
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130 NodeList themes = root.getElementsByTagName("art:themes");
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131
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132 if (themes == null || themes.getLength() == 0) {
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133 throw new ServerException(ERROR_NO_STYLES_FOUND);
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134 }
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135
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136 Element e = (Element) themes.item(0);
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137 NodeList items = e.getElementsByTagName("theme");
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138
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139 for (int i = 0; i < items.getLength(); i++) {
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140 Style s = StyleHelper.getStyle ((Element) items.item(i));
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141 if(s == null) {
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142 throw new ServerException(ERROR_NO_STYLES_FOUND);
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143 }
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144 else {
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145 cia.appendStyle(s);
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146 }
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147 }
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148
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149 return cia;
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150 }
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151
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152
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153 protected Document writeXML (
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154 CollectionItemAttribute attributes,
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155 String artifact)
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156 {
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157 Document styles = XMLUtils.newDocument();
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158
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159 XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator(
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160 styles,
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161 ArtifactNamespaceContext.NAMESPACE_URI,
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162 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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163 Element action = ec.create("action");
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164 Element type = ec.create("type");
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165 type.setAttribute("name", "setitemattribute");
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166 Element art = ec.create("artifact");
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167 art.setAttribute("uuid", artifact);
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168 Element attr = ec.create("attribute");
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169 Element themes = ec.create("themes");
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170 action.appendChild(type);
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171 type.appendChild(art);
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172 art.appendChild(attr);
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173 attr.appendChild(themes);
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174
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175 XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
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176 styles,
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177 "",
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178 "");
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179
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180 for (int i = 0; i < attributes.getNumStyles(); i++) {
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181 Style s = attributes.getStyle(i);
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182 Element theme = creator.create("theme");
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183 theme.setAttribute("name", s.getName());
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184 theme.setAttribute("facet", s.getFacet());
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b18b32269a3f Set the correct index when saving changed attributes.
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185 theme.setAttribute("index", String.valueOf(s.getIndex()));
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186 for (int j = 0; j < s.getNumSettings(); j++) {
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187 StyleSetting set = s.getSetting(j);
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188 Element field = creator.create("field");
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189 field.setAttribute("name", set.getName());
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190 field.setAttribute("display", set.getDisplayName());
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191 field.setAttribute("default", set.getDefaultValue());
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192 field.setAttribute("hints", set.getHints());
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193 field.setAttribute("type", set.getType());
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194 field.setAttribute("hidden", String.valueOf(set.isHidden()));
1292
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195 theme.appendChild(field);
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196 }
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197 themes.appendChild(theme);
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198 }
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199 styles.appendChild(action);
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200 return styles;
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201 }
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202 }
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203 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org