annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/DigitizePanel.java @ 1389:d29a9fa10313

Issue 265. Hide the barrier layer and deactivate draw control on stacksection minimize. flys-client/trunk@3206 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Raimund Renkert <raimund.renkert@intevation.de>
date Wed, 09 Nov 2011 18:00:12 +0000
parents e2749cc3b7ad
children bc06a671ef60
rev   line source
833
dcecdd9693a8 Added a UIProvider that displays a combobox on the left and a map widget in the helper container.
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1 package de.intevation.flys.client.client.ui;
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2
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3 import java.util.List;
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4
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5 import com.google.gwt.core.client.GWT;
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6 import com.google.gwt.user.client.rpc.AsyncCallback;
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7
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8 import com.smartgwt.client.util.SC;
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9 import com.smartgwt.client.widgets.Canvas;
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10 import com.smartgwt.client.widgets.events.ResizedEvent;
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11 import com.smartgwt.client.widgets.events.ResizedHandler;
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12 import com.smartgwt.client.widgets.tab.events.TabSelectedHandler;
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13 import com.smartgwt.client.widgets.tab.events.TabSelectedEvent;
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14 import com.smartgwt.client.widgets.events.VisibilityChangedHandler;
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15 import com.smartgwt.client.widgets.events.VisibilityChangedEvent;
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16
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17 import org.gwtopenmaps.openlayers.client.Map;
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18 import org.gwtopenmaps.openlayers.client.feature.VectorFeature;
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19 import org.gwtopenmaps.openlayers.client.format.GeoJSON;
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20 import org.gwtopenmaps.openlayers.client.layer.WMS;
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21 import org.gwtopenmaps.openlayers.client.layer.WMSParams;
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22 import org.gwtopenmaps.openlayers.client.layer.WMSOptions;
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23
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24 import de.intevation.flys.client.shared.model.Data;
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25 import de.intevation.flys.client.shared.model.DataItem;
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26 import de.intevation.flys.client.shared.model.DataList;
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27 import de.intevation.flys.client.shared.model.DefaultData;
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28 import de.intevation.flys.client.shared.model.DefaultDataItem;
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29 import de.intevation.flys.client.shared.model.MapInfo;
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30
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31 import de.intevation.flys.client.client.Config;
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32 import de.intevation.flys.client.client.ui.map.FloodMap;
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33 import de.intevation.flys.client.client.ui.map.MapPanel;
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34 import de.intevation.flys.client.client.services.MapInfoService;
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35 import de.intevation.flys.client.client.services.MapInfoServiceAsync;
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36
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37
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89a47098bcbd Hide geometry layer in floodmap when tab selection changes.
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38 public class DigitizePanel
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39 extends SelectProvider
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40 implements TabSelectedHandler, VisibilityChangedHandler {
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41
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42 protected MapInfoServiceAsync mapInfo = GWT.create(MapInfoService.class);
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43
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44 protected FloodMap floodMap;
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45
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46 protected MapPanel mapPanel;
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47
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48 public static final String UESK_BARRIERS = "uesk.barriers";
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49
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50
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51 public DigitizePanel() {
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52 }
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53
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54
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55 @Override
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56 public Canvas create(DataList list) {
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57 List<Data> data = list.getAll();
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58
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59 helperContainer.addVisibilityChangedHandler(this);
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60
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61 Data barriers = null;
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62 for (int i = data.size()-1; i >= 0; i--) {
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63 Data d = data.get(i);
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64 if (d.getLabel().equals(UESK_BARRIERS)) {
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65 barriers = d;
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66 data.remove(d);
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67 }
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68 }
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69
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70 DataList clone = (DataList) list.clone();
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71 List<Data> all = clone.getAll();
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72 all.remove(UESK_BARRIERS);
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73
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74 Canvas selectBox = super.create(clone);
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75
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76 final Config cfg = Config.getInstance();
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77 final String url = cfg.getServerUrl();
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78 final String locale = cfg.getLocale();
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79
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80 DataItem[] obj = barriers.getItems();
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81
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82 final String[] geojson = new String[1];
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83 for (DataItem item: obj) {
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84 if (item.getLabel().equals(UESK_BARRIERS)) {
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85 geojson[0] = item.getStringValue();
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86 break;
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87 }
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88 }
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89
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90 String river = getDataValue("state.winfo.river", "river");
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91 mapInfo.getMapInfo(url, locale, river, new AsyncCallback<MapInfo>() {
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92 public void onFailure(Throwable caught) {
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93 String msg = caught.getMessage();
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94
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95 GWT.log("Error while fetching MapInfo: " + msg);
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96 SC.warn(MSG.getString(msg));
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97 }
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98
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99 public void onSuccess(MapInfo info) {
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100 createMapWidget(info, geojson[0]);
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101 }
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102 });
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103
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104 return selectBox;
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105 }
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106
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107
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108 @Override
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109 protected Data[] getData() {
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110 Data[] data = super.getData();
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111 Data[] total = new Data[2];
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112
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113 DataItem item = new DefaultDataItem(
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114 UESK_BARRIERS, UESK_BARRIERS, floodMap.getFeaturesAsGeoJSON());
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115
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116 total[0] = data[0];
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117 total[1] = new DefaultData(
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118 UESK_BARRIERS, null, null, new DataItem[] { item });
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119
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120 return total;
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121 }
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122
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123
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124 public void createMapWidget(MapInfo mapInfo, String geojson) {
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125 mapPanel = new MapPanel(mapInfo, true);
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126
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127 floodMap = mapPanel.getFloodMap();
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128 Map map = floodMap.getMap();
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129
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130 helperContainer.addMember(mapPanel);
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131 helperContainer.addResizedHandler(new ResizedHandler() {
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132 public void onResized(ResizedEvent e) {
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133 Integer height = helperContainer.getHeight();
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134 Integer width = helperContainer.getWidth();
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135
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136 height = height * 99 / 100;
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137 width = width * 99 / 100;
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138
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139 String w = String.valueOf(width) + "px";
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140 String h = String.valueOf(height) + "px";
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141
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142 mapPanel.getFloodMap().setSize(w, h);
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143 }
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144 });
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145
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146 parameterList.registerCollectionViewTabHandler(this);
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147
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148 WMS axis = getLayer(
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149 mapInfo.getWmsUrl(), "riveraxis",
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150 mapInfo.getProjection(), false);
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151 WMS back = getLayer(
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152 mapInfo.getBackgroundWmsUrl(), mapInfo.getBackgroundWmsLayers(),
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153 mapInfo.getProjection(), false);
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154
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155 map.addLayer(axis);
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156 map.addLayer(back);
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157
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158 if (geojson != null && geojson.length() > 0) {
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159 VectorFeature[] features = new GeoJSON().read(geojson);
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160 floodMap.getBarrierLayer().addFeatures(features);
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161 }
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162
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163 map.zoomToMaxExtent();
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164 }
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165
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166
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167 protected WMS getLayer(String url, String layers, String proj, boolean x) {
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168 WMSParams params = new WMSParams();
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169 params.setLayers(layers);
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170 params.setFormat("image/png");
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171 params.setIsTransparent(!x);
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172
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173 WMSOptions opts = new WMSOptions();
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174 opts.setTransitionEffect("null");
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175 opts.setProjection(proj);
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176 opts.setSingleTile(true);
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177 opts.setRatio(1);
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178 opts.setBuffer(0);
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179
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180 WMS wms = new WMS(layers, url, params, opts);
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181 wms.setIsVisible(true);
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182 wms.setIsBaseLayer(x);
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183
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184 return wms;
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185 }
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186
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187
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188 public void onTabSelected(TabSelectedEvent tse) {
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189 if (tse.getTabNum () != 0) {
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190 floodMap.hideBarrierLayer();
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191 }
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192 else {
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193 floodMap.showBarrierLayer();
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194 }
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195 }
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196
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197 public void onVisibilityChanged(VisibilityChangedEvent vce) {
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198 if (!vce.getIsVisible()) {
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199 floodMap.hideBarrierLayer();
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200 mapPanel.getMapToolbar().activateDrawFeature(false);
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201 }
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202 else {
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203 floodMap.showBarrierLayer();
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204 }
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205 }
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206 }
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207 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :

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