Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/state/MinMaxDateState.java @ 1050:7f3154331bc1

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Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). gnv-artifacts/trunk@1124 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 25 May 2010 15:41:31 +0000
parents 499cfbbb61bc
children f953c9a559d8
rev   line source
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1 package de.intevation.gnv.state;
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2
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3 import java.util.Collection;
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4 import java.util.Date;
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5 import java.util.GregorianCalendar;
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6 import java.util.Iterator;
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7 import java.util.Locale;
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8
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9 import org.apache.log4j.Logger;
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10 import org.w3c.dom.Document;
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11
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12 import de.intevation.artifacts.CallContext;
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13 import de.intevation.gnv.artifacts.ressource.RessourceFactory;
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14 import de.intevation.gnv.geobackend.util.DateUtils;
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15 import de.intevation.gnv.state.describedata.DefaultMinMaxDescribeData;
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16 import de.intevation.gnv.state.describedata.DescribeData;
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17 import de.intevation.gnv.state.describedata.MinMaxDescribeData;
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18 import de.intevation.gnv.state.exception.StateException;
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19 import de.intevation.gnv.utils.InputValidator;
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20
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21 /**
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22 * This state handles date input. The resulting describe document of this state
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23 * contains two fields in the user interface description to define a time range.
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24 *
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25 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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26 */
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27 public class MinMaxDateState extends MinMaxState {
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28
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29
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30 /**
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31 *
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32 */
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33 public static final String EXCEPTION_DATE_REQUIRED =
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34 "input.is.not.valid.date.required";
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35
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36 /**
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37 *
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38 */
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39 public static final String EXCEPTION_START_AFTER_END =
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40 "start.date.after.end.date";
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41
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42 /**
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43 *
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44 */
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45 public static final String EXCEPTION_DATE_OUT_OF_RANGE =
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46 "date.out.of.range";
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47
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48 /**
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49 *
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50 */
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51 public static final String EXCEPTION_MISSING_DATE =
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52 "missing.data.field";
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53
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54 private static Logger logger = Logger.getLogger(MinMaxDateState.class);
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55
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56
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57 /**
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58 *
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59 */
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60 public MinMaxDateState() {
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61 super();
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62 }
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63
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64
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65 /**
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66 * This feed method needs a collection of two InputData objects. These
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67 * objects' values need to be a datetime string which is turned into a Date
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68 * object. Afterwards, the given dates are validated. Min and max date need
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69 * to be in range of the min and max date retrieved by
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70 * {@link #getDescibeData(java.lang.String)}.
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71 */
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72 @Override
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73 public Document feed(
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74 CallContext context,
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75 Collection<InputData> inputData,
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76 String uuid)
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77 throws StateException {
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78 RessourceFactory resFactory = RessourceFactory.getInstance();
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79 Locale[] serverLocales = resFactory.getLocales();
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80 Locale locale = context.getMeta().getPreferredLocale(
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81 serverLocales);
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82
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83 if (inputData == null) {
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84 String msg = "No input data given.";
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85 logger.warn(msg);
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86 return feedFailure(msg);
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87 }
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88
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89 Iterator iter = inputData.iterator();
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90
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91 MinMaxDescribeData data =
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92 (MinMaxDescribeData) getDescibeData(uuid).get(0);
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93 Object min = data.getMinValue();
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94 Object max = data.getMaxValue();
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95
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96 Object tmpMin = null;
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97 Object tmpMax = null;
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98
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99 while (iter.hasNext()) {
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100 InputData tmp = (InputData) iter.next();
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101 InputValue meta = inputValues.get(tmp.getName());
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102 String type = meta.getType();
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103 String value = tmp.getValue();
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104 String name = tmp.getName();
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105
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106 if (meta == null) {
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107 String msg = "Input data not expected here. Data will be ignored.";
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108 logger.warn(msg);
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109 return feedFailure(msg);
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110 }
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111
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112 if (!InputValidator.isInputValid(value, type)) {
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113 String msg = resFactory.getRessource(
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114 locale, EXCEPTION_DATE_REQUIRED, EXCEPTION_DATE_REQUIRED);
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115 logger.error(msg);
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116 return feedFailure(msg);
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117 }
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118
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119 Date lower = null;
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120 if (min instanceof GregorianCalendar) {
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121 lower = ((GregorianCalendar)min).getTime();
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122 }
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123
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124 Date upper = null;
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125 if (max instanceof GregorianCalendar) {
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126 upper = ((GregorianCalendar)max).getTime();
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127 }
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128
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129 Date d = null;
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130 try {
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131 d = DateUtils.getDateFromString(value,DateUtils.DATE_PATTERN);
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132 }
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133 catch (Exception e) {
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134 logger.warn(e, e);
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135 }
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136
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137 if (d == null || lower == null || upper == null) {
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138 String msg = resFactory.getRessource(
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139 locale,
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140 EXCEPTION_MISSING_DATE,
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141 EXCEPTION_MISSING_DATE);
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142 logger.warn(msg);
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143 }
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144 else {
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145 if (logger.isDebugEnabled()) {
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146 logger.debug("Date to validate: " + d.toString());
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147 logger.debug("Lower date bound: " + lower.toString());
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148 logger.debug("Upper date bound: " + upper.toString());
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149 }
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150
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151 if (!InputValidator.isDateValid(d, lower, upper)) {
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152 String msg = resFactory.getRessource(
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153 locale,
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154 EXCEPTION_DATE_OUT_OF_RANGE,
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155 EXCEPTION_DATE_OUT_OF_RANGE);
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156 logger.error(msg);
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157 return feedFailure(msg);
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158 }
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159 }
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160
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161 if (name.equals(MINVALUEFIELDNAME)) {
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162 tmpMin = value;
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163 }
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164
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165 if (name.equals(MAXVALUEFIELDNAME)) {
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166 tmpMax = value;
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167 }
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168
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169 if (tmpMin != null && tmpMax != null) {
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170 if (!InputValidator.isInputValid((String) tmpMin, (String) tmpMax, type)) {
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171 String msg = resFactory.getRessource(
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172 locale,
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173 EXCEPTION_START_AFTER_END,
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174 EXCEPTION_START_AFTER_END);
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175 logger.error(msg);
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176 return feedFailure(msg);
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177 }
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178 }
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179 }
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180
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181 DescribeData values = new DefaultMinMaxDescribeData(
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182 dataName, tmpMin, tmpMax, getID());
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183
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184 this.inputData.put(dataName, new DefaultInputData(dataName, values));
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185
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186 return feedSuccess();
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187 }
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188 }
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189 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org