Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/server/CollectionItemAttributeServiceImpl.java @ 5818:a4ff4167be1e

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Request feature info on all layers and show it as html if the server does not return valid gml. Non queryable layers produce an error message when the request fails. This is good enough
author Andre Heinecke <aheinecke@intevation.de>
date Wed, 24 Apr 2013 17:33:27 +0200
parents b296d435fc69
children
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 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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30 */
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31 public class CollectionItemAttributeServiceImpl
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32 extends RemoteServiceServlet
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33 implements CollectionItemAttributeService
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34 {
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35 private static final Logger logger =
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36 Logger.getLogger(CollectionItemAttributeServiceImpl.class);
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37
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38
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39 public static final String XPATH_RESULT = "/art:result/text()";
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40
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41 public static final String OPERATION_FAILURE = "FAILED";
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42
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43 public static final String ERROR_NO_STYLES_FOUND =
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44 "error_no_theme_styles_found";
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45
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46
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47 public CollectionItemAttribute getCollectionItemAttribute(
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48 Collection collection,
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49 String artifact,
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50 String locale)
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51 throws ServerException
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52 {
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53 logger.info(
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54 "CollectionItemAttributeServiceImpl.getCollectionItemAttribute");
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55
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56 String url = getServletContext().getInitParameter("server-url");
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57
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58 Document requestDoc = XMLUtils.newDocument();
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59
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60 XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator(
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61 requestDoc,
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62 ArtifactNamespaceContext.NAMESPACE_URI,
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63 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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64
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65 Element action = ec.create("action");
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66
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67 Element type = ec.create("type");
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68 ec.addAttr(type, "name", "getitemattribute", false);
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69
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70 Element art = ec.create("artifact");
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71 ec.addAttr(art, "uuid", artifact, false);
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72
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73 type.appendChild(art);
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74 action.appendChild(type);
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75 requestDoc.appendChild (action);
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76
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77 try {
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78 HttpClient client = new HttpClientImpl(url, locale);
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79 Document res = (Document) client.doCollectionAction(
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80 requestDoc,
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81 collection.identifier(),
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82 new DocumentResponseHandler());
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83 return readXML (res, artifact);
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84 }
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85 catch (ConnectionException ce) {
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86 logger.error(ce, ce);
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87 }
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88
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89 throw new ServerException(ERROR_NO_STYLES_FOUND);
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90 }
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91
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92
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93 public void setCollectionItemAttribute(
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94 Collection collection,
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95 String artifact,
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96 String locale,
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97 CollectionItemAttribute attributes)
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98 throws ServerException
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99 {
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100 logger.info(
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101 "CollectionItemAttributeServiceImpl.setCollectionItemAttribute");
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102
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103 String url = getServletContext().getInitParameter("server-url");
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104
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105 Document doc = writeXML(attributes, artifact);
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106
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107 try {
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108 HttpClient client = new HttpClientImpl(url, locale);
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109 Document res = (Document) client.doCollectionAction(
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110 doc,
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111 collection.identifier(),
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112 new DocumentResponseHandler());
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113
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114 return;
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115 }
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116 catch (ConnectionException ce) {
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117 logger.error(ce, ce);
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118 throw new ServerException(ce.getLocalizedMessage());
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119 }
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120 }
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121
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122 protected CollectionItemAttribute readXML(Document doc, String artifact)
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123 throws ServerException
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124 {
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125 CollectionItemAttribute cia = new CollectionItemAttribute();
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126 cia.setArtifact(artifact);
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127
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128 Element root = doc.getDocumentElement();
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129 NodeList themes = root.getElementsByTagName("art:themes");
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130
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131 if (themes == null || themes.getLength() == 0) {
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132 throw new ServerException(ERROR_NO_STYLES_FOUND);
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133 }
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134
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135 Element e = (Element) themes.item(0);
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136 NodeList items = e.getElementsByTagName("theme");
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137
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138 for (int i = 0; i < items.getLength(); i++) {
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139 Style s = StyleHelper.getStyle ((Element) items.item(i));
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140 if(s == null) {
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141 throw new ServerException(ERROR_NO_STYLES_FOUND);
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142 }
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143 else {
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144 cia.appendStyle(s);
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145 }
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146 }
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147
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148 return cia;
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149 }
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150
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151
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152 protected Document writeXML (
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153 CollectionItemAttribute attributes,
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154 String artifact)
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155 {
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156 Document styles = XMLUtils.newDocument();
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157
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158 XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator(
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159 styles,
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160 ArtifactNamespaceContext.NAMESPACE_URI,
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161 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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162 Element action = ec.create("action");
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163 Element type = ec.create("type");
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164 type.setAttribute("name", "setitemattribute");
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165 Element art = ec.create("artifact");
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166 art.setAttribute("uuid", artifact);
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167 Element attr = ec.create("attribute");
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168 Element themes = ec.create("themes");
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169 action.appendChild(type);
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170 type.appendChild(art);
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171 art.appendChild(attr);
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172 attr.appendChild(themes);
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173
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174 XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
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175 styles,
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176 "",
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177 "");
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178
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179 for (int i = 0; i < attributes.getNumStyles(); i++) {
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180 Style s = attributes.getStyle(i);
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181 Element theme = creator.create("theme");
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182 theme.setAttribute("name", s.getName());
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183 theme.setAttribute("facet", s.getFacet());
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b18b32269a3f Set the correct index when saving changed attributes.
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184 theme.setAttribute("index", String.valueOf(s.getIndex()));
1292
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185 for (int j = 0; j < s.getNumSettings(); j++) {
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186 StyleSetting set = s.getSetting(j);
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187 Element field = creator.create("field");
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188 field.setAttribute("name", set.getName());
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189 field.setAttribute("display", set.getDisplayName());
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190 field.setAttribute("default", set.getDefaultValue());
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191 field.setAttribute("hints", set.getHints());
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192 field.setAttribute("type", set.getType());
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7a94d5e7fc3d Write the "hidden" attribute of a style into the collection's attribute when using the theme editor.
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parents: 2908
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193 field.setAttribute("hidden", String.valueOf(set.isHidden()));
1292
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194 theme.appendChild(field);
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195 }
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196 themes.appendChild(theme);
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197 }
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198 styles.appendChild(action);
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199 return styles;
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200 }
1285
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201 }
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202 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org