Mercurial > dive4elements > river

annotate gwt-client/src/main/java/org/dive4elements/river/client/client/ui/TableDataPanel.java @ 7616:9fc549a7f5cb

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Fix doc/debug.
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Thu, 28 Nov 2013 12:04:18 +0100
parents c50dbbe17950
children 89c1fcd6db52
rev   line source
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.client.client.ui;
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10
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11 import com.google.gwt.core.client.GWT;
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12 import com.google.gwt.i18n.client.NumberFormat;
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13 import com.google.gwt.user.client.rpc.AsyncCallback;
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14
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15 import com.smartgwt.client.types.ListGridFieldType;
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16 import com.smartgwt.client.util.SC;
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17 import com.smartgwt.client.widgets.Canvas;
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18 import com.smartgwt.client.widgets.grid.ListGrid;
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19 import com.smartgwt.client.widgets.grid.ListGridField;
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20 import com.smartgwt.client.widgets.grid.ListGridRecord;
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21 import com.smartgwt.client.widgets.layout.VLayout;
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22
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23 import org.dive4elements.river.client.client.Config;
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24 import org.dive4elements.river.client.client.FLYSConstants;
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25 import org.dive4elements.river.client.client.services.CSVExportService;
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26 import org.dive4elements.river.client.client.services.CSVExportServiceAsync;
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27 import org.dive4elements.river.client.shared.model.DataList;
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28
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29 import java.util.List;
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30
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31 /**
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32 * This UIProvider creates a widget that displays calculated data in a table.
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33 *
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34 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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35 */
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36 public class TableDataPanel
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37 {
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38 /** The message class that provides i18n strings. */
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39 protected FLYSConstants MESSAGES = GWT.create(FLYSConstants.class);
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40
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41 protected CSVExportServiceAsync exportService =
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42 GWT.create(CSVExportService.class);
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43
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44 /** A container that will contain the location or the distance panel. */
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45 protected VLayout container;
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46
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47 /** The export type. */
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48 protected String name;
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49
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50 /** The UUID of the collection. */
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51 protected String uuid;
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52
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53 /** The table. */
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54 protected ListGrid dataTable;
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55
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56
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57 /**
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58 * Creates a new TableDataPanel instance.
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59 */
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60 public TableDataPanel() {
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61 container = new VLayout();
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62 dataTable = new ListGrid();
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63 name = "";
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64 }
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65
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66
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67 /**
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68 * This method creates a widget that contains a table.
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69 *
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70 * @return a panel.
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71 */
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72 public Canvas create() {
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73 Config config = Config.getInstance();
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74 String locale = config.getLocale ();
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75 dataTable.setEmptyMessage(MESSAGES.empty_table());
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76 dataTable.setShowHeaderContextMenu(false);
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77 dataTable.setCanDragSelectText(true);
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78
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79 exportService.getCSV(locale, uuid, name,
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80 new AsyncCallback<List<String[]>>() {
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81 @Override
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82 public void onFailure(Throwable caught) {
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83 GWT.log("Could not receive csv.");
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84 SC.warn(caught.getMessage());
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85 }
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86
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87 @Override
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88 public void onSuccess(List<String[]> l) {
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89 GWT.log("Recieved csv with " + l.size() + " lines.");
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90 setData(l);
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91 }
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92 }
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93 );
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94
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95 container.addMember(dataTable);
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96
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97 return container;
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98 }
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99
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100
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101 public void setName(String name) {
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102 this.name = name;
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103 }
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104
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105 public void setUuid(String uuid) {
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106 this.uuid = uuid;
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107 }
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108
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109
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110 public Canvas createOld(DataList dataList) {
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111 return null;
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112 }
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113
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114
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115 protected Canvas createWidget(DataList data) {
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116 return null;
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117 }
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118
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119
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120 /**
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121 * This method sets the data to a dynamic table.
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122 *
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123 * @param list List of String[] containing the data.
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124 */
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125 public void setData(List<String[]> list) {
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126 if (list == null || list.size() < 2) {
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127 dataTable.setEmptyMessage(MESSAGES.error_no_calc_result());
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128 dataTable.redraw();
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129 return;
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130 }
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131
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132 Config config = Config.getInstance();
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133 String locale = config.getLocale();
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134
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135 NumberFormat nf;
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136 if (locale.equals("de")) {
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137 nf = NumberFormat.getFormat("#,##");
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138 }
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139 else {
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140 nf = NumberFormat.getFormat("#.##");
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141 }
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142
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143 String[] header = list.get(0);
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144 String[] firstValues = list.get(1);
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145 String[] displayField = new String[header.length];
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146
259
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147 ListGridField[] fields = new ListGridField[header.length];
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148
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149 for(int i = 0; i < header.length; i++) {
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150 ListGridField f = new ListGridField(String.valueOf(i));
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151 fields[i] = f;
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152 f.setTitle(header[i]);
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153
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154 try {
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155 nf.parse(firstValues[i]);
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156 f.setType(ListGridFieldType.FLOAT);
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157 }
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158 catch (NumberFormatException nfe) {
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159 f.setType(ListGridFieldType.TEXT);
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160 }
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161 // To keep server-side formatting and i18n also of
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162 // float values, we will store the value once formatted 'as is'
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163 // to be displayed and once as e.g. float to allow functions like
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164 // sorting on it.
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165 displayField[i] = i + "_displayField";
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166 f.setDisplayField(displayField[i]);
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167 f.setValueField(String.valueOf(i));
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168 f.setSortByDisplayField(false);
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169 }
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170
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171 dataTable.setFields(fields);
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172
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173 for(int i = 1; i < list.size(); i++) {
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174 String[] sItem = list.get(i);
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175 ListGridRecord r = new ListGridRecord();
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176 for(int j = 0; j < sItem.length; j++) {
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177 // See above, display 'as is' from server, but keep value
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178 // in machine-usable way (float), to allow numeric sorting.
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179 r.setAttribute(displayField[j], sItem[j]);
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180 if (fields[j].getType() == ListGridFieldType.TEXT) {
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181 r.setAttribute(String.valueOf(j), sItem[j]);
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182 }
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183 else {
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184 r.setAttribute(String.valueOf(j), nf.parse(sItem[j]));
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185 }
256
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186 }
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187 dataTable.addData(r);
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188 }
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189 }
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190 }
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191 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org