Mercurial > dive4elements > river
annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/map/MapOutputTab.java @ 1364:9981ba2ee13a
Display the datacage button in the map toolbar.
flys-client/trunk@3063 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Mon, 24 Oct 2011 13:35:30 +0000 |
parents | 8a93fb299e64 |
children | 4c65c5b60a86 |
rev | line source |
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Improved the process of creating OutputTabs. Added support for map output.
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parents:
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1 package de.intevation.flys.client.client.ui.map; |
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2 |
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3 import java.util.List; |
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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 import com.google.gwt.user.client.ui.HorizontalPanel; |
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8 import com.google.gwt.user.client.ui.Widget; |
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9 |
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10 import com.smartgwt.client.widgets.Canvas; |
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11 import com.smartgwt.client.widgets.events.ResizedEvent; |
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12 import com.smartgwt.client.widgets.events.ResizedHandler; |
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13 import com.smartgwt.client.widgets.layout.HLayout; |
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14 import com.smartgwt.client.widgets.layout.VLayout; |
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15 |
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16 import org.gwtopenmaps.openlayers.client.Bounds; |
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17 import org.gwtopenmaps.openlayers.client.Map; |
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18 import org.gwtopenmaps.openlayers.client.event.VectorFeatureAddedListener; |
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19 import org.gwtopenmaps.openlayers.client.event.VectorFeatureAddedListener.FeatureAddedEvent; |
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20 import org.gwtopenmaps.openlayers.client.event.VectorFeatureRemovedListener; |
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21 import org.gwtopenmaps.openlayers.client.event.VectorFeatureRemovedListener.FeatureRemovedEvent; |
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22 import org.gwtopenmaps.openlayers.client.feature.VectorFeature; |
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23 import org.gwtopenmaps.openlayers.client.format.GeoJSON; |
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24 import org.gwtopenmaps.openlayers.client.layer.Layer; |
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25 import org.gwtopenmaps.openlayers.client.layer.Vector; |
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26 import org.gwtopenmaps.openlayers.client.layer.WMS; |
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27 import org.gwtopenmaps.openlayers.client.layer.WMSParams; |
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28 import org.gwtopenmaps.openlayers.client.layer.WMSOptions; |
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29 |
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30 import de.intevation.flys.client.shared.model.Artifact; |
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31 import de.intevation.flys.client.shared.model.ArtifactDescription; |
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32 import de.intevation.flys.client.shared.model.AttributedTheme; |
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33 import de.intevation.flys.client.shared.model.Collection; |
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34 import de.intevation.flys.client.shared.model.Data; |
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35 import de.intevation.flys.client.shared.model.DataItem; |
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36 import de.intevation.flys.client.shared.model.DataList; |
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37 import de.intevation.flys.client.shared.model.DefaultData; |
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38 import de.intevation.flys.client.shared.model.DefaultDataItem; |
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39 import de.intevation.flys.client.shared.model.Theme; |
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40 import de.intevation.flys.client.shared.model.ThemeList; |
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41 import de.intevation.flys.client.shared.model.OutputMode; |
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42 |
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43 import de.intevation.flys.client.client.Config; |
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44 import de.intevation.flys.client.client.services.StepForwardService; |
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45 import de.intevation.flys.client.client.services.StepForwardServiceAsync; |
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46 import de.intevation.flys.client.client.event.RedrawRequestHandler; |
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47 import de.intevation.flys.client.client.event.RedrawRequestEvent; |
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48 import de.intevation.flys.client.client.ui.CollectionView; |
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49 import de.intevation.flys.client.client.ui.OutputTab; |
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50 import de.intevation.flys.client.client.ui.ThemePanel; |
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51 |
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parents:
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52 |
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53 public class MapOutputTab extends OutputTab implements RedrawRequestHandler { |
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54 |
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55 public static final String DEFAULT_SRID = "4326"; |
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56 |
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57 public static final String BARRIERS_PARAMETER_KEY = "uesk.barriers"; |
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58 |
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59 public static final String WSPLGEN_FACET = "floodmap.wsplgen"; |
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60 |
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61 |
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62 protected StepForwardServiceAsync feedService = |
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63 GWT.create(StepForwardService.class); |
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64 |
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65 protected MapToolbar controlPanel; |
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66 protected ThemePanel themePanel; |
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67 protected Widget mapPanel; |
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68 |
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69 protected FloodMap floodMap; |
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70 |
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71 |
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72 public MapOutputTab( |
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73 String title, |
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74 Collection collection, |
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75 OutputMode mode, |
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76 CollectionView collectionView |
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77 ){ |
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78 super(title, collection, collectionView, mode); |
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79 |
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80 floodMap = new FloodMap(getSrid(), getMaxExtent()); |
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81 |
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82 initLayout(); |
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83 initLayers(); |
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84 initBarriers(); |
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85 } |
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86 |
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87 |
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88 protected void initLayout() { |
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89 VLayout rootLayout = new VLayout(); |
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90 rootLayout.setHeight100(); |
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91 rootLayout.setWidth100(); |
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92 rootLayout.setMembersMargin(2); |
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93 |
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94 final Canvas wrapper = new Canvas(); |
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95 wrapper.setWidth100(); |
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96 wrapper.setHeight100(); |
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97 |
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98 controlPanel = createControlPanel(wrapper); |
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99 mapPanel = floodMap.getMapWidget(); |
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100 Canvas themePanelWrapper = createThemePanel(); |
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101 |
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102 final HorizontalPanel layout = new HorizontalPanel(); |
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103 layout.setWidth("99%"); |
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104 layout.setHeight("99%"); |
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105 layout.add(mapPanel); |
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106 |
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107 wrapper.addChild(layout); |
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108 |
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109 HLayout hlayout = new HLayout(); |
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110 hlayout.setHeight("*"); |
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111 hlayout.setWidth100(); |
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112 hlayout.setMembersMargin(2); |
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113 |
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114 hlayout.addMember(themePanelWrapper); |
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115 hlayout.addMember(wrapper); |
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116 |
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117 rootLayout.addMember(controlPanel); |
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118 rootLayout.addMember(hlayout); |
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119 |
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120 wrapper.addResizedHandler(new ResizedHandler() { |
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121 public void onResized(ResizedEvent e) { |
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122 Integer height = wrapper.getHeight(); |
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123 Integer width = wrapper.getWidth(); |
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124 |
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125 height = height * 99 / 100; |
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126 width = width * 99 / 100; |
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127 |
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128 String w = String.valueOf(width) + "px"; |
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129 String h = String.valueOf(height) + "px"; |
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130 |
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131 floodMap.setSize(w, h); |
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132 } |
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133 }); |
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134 |
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135 setPane(rootLayout); |
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136 } |
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137 |
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138 |
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139 protected void initLayers() { |
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140 ThemeList themeList = themePanel.getThemeList(); |
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141 |
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142 int num = themeList.getThemeCount(); |
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143 |
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144 Map map = floodMap.getMap(); |
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145 Bounds extent = null; |
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146 Bounds wsplgenExtent = null; |
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147 |
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148 for (int i = num; i >= 0; i--) { |
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149 Theme theme = themeList.getThemeAt(i); |
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150 Layer layer = createWMSLayer(theme); |
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151 |
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152 if (layer == null) { |
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153 continue; |
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154 } |
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155 |
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156 map.addLayer(layer); |
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157 |
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158 AttributedTheme at = (AttributedTheme) theme; |
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159 String tmp = at.getAttr("extent"); |
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160 |
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161 if (WSPLGEN_FACET.equals(at.getFacet())) { |
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162 // if there is a wsplgen layer, we want to zoom to |
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163 // that place initially |
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164 wsplgenExtent = boundsFromString(tmp); |
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165 } |
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166 |
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167 if (theme.getActive() == 1) { |
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168 if (extent == null) { |
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169 extent = boundsFromString(tmp); |
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170 } |
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171 else { |
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172 Bounds b = boundsFromString(tmp); |
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173 |
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174 if (b != null) { |
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175 extent.extend(b); |
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176 } |
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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 extent = wsplgenExtent != null ? wsplgenExtent : extent; |
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182 |
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183 GWT.log("Maps initial extent = " + extent); |
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184 |
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185 map.zoomToExtent(extent != null |
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186 ? extent |
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187 : new Bounds(-90, -180, 90, 180)); |
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188 } |
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189 |
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190 |
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Save and reload user defined geometries (barriers) in the map.
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191 protected void initBarriers() { |
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192 Vector vector = floodMap.getBarrierLayer(); |
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193 vector.addVectorFeatureAddedListener( |
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194 new VectorFeatureAddedListener() { |
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195 public void onFeatureAdded(FeatureAddedEvent e) { |
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196 saveBarriers(); |
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197 } |
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198 } |
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199 ); |
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200 |
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201 vector.addVectorFeatureRemovedListener( |
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202 new VectorFeatureRemovedListener() { |
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203 public void onFeatureRemoved(FeatureRemovedEvent e) { |
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204 saveBarriers(); |
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205 } |
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206 } |
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207 ); |
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208 |
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209 |
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210 Artifact artifact = getArtifact(); |
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211 |
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212 if (artifact == null) { |
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213 return; |
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214 } |
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215 |
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216 ArtifactDescription desc = artifact.getArtifactDescription(); |
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217 |
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218 String geojson = getGeoJSONFromStatic(desc); |
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219 geojson = geojson != null ? geojson : getGeoJSONFromDynamic(desc); |
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220 |
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221 if (geojson == null || geojson.length() == 0) { |
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222 GWT.log("No geojson string found -> no barriers existing."); |
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223 return; |
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224 } |
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225 |
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226 GeoJSON reader = new GeoJSON(); |
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227 VectorFeature[] features = reader.read(geojson); |
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228 |
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229 vector.addFeatures(features); |
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230 } |
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231 |
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232 |
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233 @Override |
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234 public void onRedrawRequest(RedrawRequestEvent event) { |
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235 // TODO FILL ME |
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236 GWT.log("TODO: Request redraw."); |
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237 } |
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238 |
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239 |
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240 protected Map getMap() { |
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241 return floodMap.getMap(); |
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242 } |
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243 |
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244 |
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245 protected String getGeoJSONFromDynamic(ArtifactDescription desc) { |
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246 DataList list = desc.getCurrentData(); |
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247 |
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248 if (list == null) { |
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249 return null; |
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250 } |
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251 |
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252 List<Data> datas = list.getAll(); |
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253 for (Data data: datas) { |
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254 String key = data.getLabel(); |
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255 |
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256 if (key != null && key.equals(BARRIERS_PARAMETER_KEY)) { |
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257 DataItem def = data.getDefault(); |
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258 |
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259 if (def != null) { |
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260 return def.getStringValue(); |
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261 } |
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262 } |
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263 } |
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264 |
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265 return null; |
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266 } |
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267 |
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268 |
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269 protected String getGeoJSONFromStatic(ArtifactDescription desc) { |
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270 // TODO Implement this method, if there are reachable states right after |
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271 // the floodmap state - which is currently not the case. |
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272 return null; |
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273 } |
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274 |
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275 |
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276 public ThemeList getThemeList() { |
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277 return collection.getThemeList(mode.getName()); |
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278 } |
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279 |
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280 |
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281 public String getSrid() { |
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282 ThemeList themeList = getThemeList(); |
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283 |
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284 int num = themeList.getThemeCount(); |
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285 |
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286 for (int i = 1; i <= num; i++) { |
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287 AttributedTheme theme = (AttributedTheme) themeList.getThemeAt(i); |
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288 |
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289 if (theme == null) { |
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290 continue; |
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291 } |
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292 |
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293 String srid = theme.getAttr("srid"); |
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294 |
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295 if (srid != null && srid.length() > 0) { |
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296 return srid; |
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297 } |
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298 } |
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299 |
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300 return DEFAULT_SRID; |
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301 } |
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302 |
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303 |
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304 public Bounds getMaxExtent() { |
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305 ThemeList themeList = getThemeList(); |
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306 |
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307 int num = themeList.getThemeCount(); |
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308 |
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309 Bounds extent = null; |
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310 |
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311 for (int i = 1; i <= num; i++) { |
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312 AttributedTheme theme = (AttributedTheme) themeList.getThemeAt(i); |
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313 |
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314 if (theme == null) { |
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315 continue; |
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316 } |
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317 |
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318 String tmp = theme.getAttr("extent"); |
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319 |
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320 if (theme.getActive() == 1) { |
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321 if (extent == null) { |
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Set the map projection and its max extent dynamically - information extracted from facets.
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322 extent = boundsFromString(tmp); |
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323 } |
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324 else { |
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325 Bounds b = boundsFromString(tmp); |
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326 |
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327 if (b != null) { |
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328 extent.extend(b); |
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329 } |
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330 } |
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331 } |
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332 } |
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333 |
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334 return extent; |
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335 } |
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336 |
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337 |
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338 protected Bounds boundsFromString(String bounds) { |
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339 if (bounds == null || bounds.length() == 0) { |
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340 return null; |
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341 } |
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342 |
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343 String[] values = bounds.split(" "); |
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344 |
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345 if (values == null || values.length < 4) { |
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346 return null; |
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347 } |
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348 |
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349 try { |
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350 return new Bounds( |
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351 Double.valueOf(values[0]), |
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352 Double.valueOf(values[1]), |
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353 Double.valueOf(values[2]), |
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354 Double.valueOf(values[3])); |
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355 } |
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356 catch (NumberFormatException nfe) {} |
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357 |
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358 return null; |
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359 } |
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360 |
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361 |
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362 protected Layer createWMSLayer(Theme theme) { |
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363 if (theme == null) { |
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364 return null; |
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365 } |
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366 |
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367 AttributedTheme at = (AttributedTheme) theme; |
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368 |
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369 String type = at.getAttr("name"); |
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370 String desc = at.getAttr("description"); |
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371 String url = at.getAttr("url"); |
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372 String layers = at.getAttr("layers"); |
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373 |
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374 if (url == null || layers == null) { |
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375 return null; |
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376 } |
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377 |
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378 //boolean baseLayer = type.equals("floodmap.wmsbackground"); |
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379 |
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380 WMSParams params = new WMSParams(); |
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381 params.setLayers(layers); |
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382 params.setFormat("image/png"); |
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383 params.setIsTransparent(true); |
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384 |
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385 WMSOptions opts = new WMSOptions(); |
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386 opts.setProjection("EPSG:" + getSrid()); |
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387 opts.setSingleTile(true); |
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388 opts.setRatio(1); |
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389 |
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390 WMS wms = new WMS(desc, url, params, opts); |
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391 wms.setIsVisible(at.getActive() == 1); |
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392 wms.setIsBaseLayer(false); |
797
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393 |
806
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394 return wms; |
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395 } |
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396 |
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397 |
825
1b9b7e9ab219
Save and reload user defined geometries (barriers) in the map.
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398 protected MapToolbar createControlPanel(Canvas wrapper) { |
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Display the datacage button in the map toolbar.
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399 return new MapToolbar(this, floodMap, wrapper, false); |
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400 } |
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Improved the process of creating OutputTabs. Added support for map output.
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401 |
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Improved the process of creating OutputTabs. Added support for map output.
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402 |
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Improved the process of creating OutputTabs. Added support for map output.
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|
403 protected Canvas createThemePanel() { |
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Improved the process of creating OutputTabs. Added support for map output.
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|
404 Canvas c = new Canvas(); |
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#288 Added legend symbols to the MapThemePanel.
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405 c.setMinWidth(300); |
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#288 Added legend symbols to the MapThemePanel.
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406 c.setWidth(300); |
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407 c.setHeight100(); |
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408 c.setCanDragResize(true); |
797
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|
409 c.setBorder("1px solid black"); |
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410 |
806
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|
411 themePanel = new MapThemePanel( |
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#300 Synchronized the ThemePanel's layer order with the internal order of the Map.
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412 collection, |
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413 mode, |
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|
414 new MapThemePanel.ActivateCallback() { |
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|
415 public void activate(Theme theme, boolean active) { |
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416 activateTheme(theme, active); |
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417 } |
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418 }, |
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#300 Synchronized the ThemePanel's layer order with the internal order of the Map.
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419 new MapThemePanel.ThemeMovedCallback() { |
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420 public void onThemeMoved(Theme theme, int oldIdx, int newIdx) { |
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#300 Synchronized the ThemePanel's layer order with the internal order of the Map.
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|
421 // this code synchronizes the ThemePanel and the OpenLayers |
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#300 Synchronized the ThemePanel's layer order with the internal order of the Map.
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422 // internal order of layers. |
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#300 Synchronized the ThemePanel's layer order with the internal order of the Map.
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423 String name = theme.getDescription(); |
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#300 Synchronized the ThemePanel's layer order with the internal order of the Map.
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|
424 Map map = getMap(); |
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#300 Synchronized the ThemePanel's layer order with the internal order of the Map.
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425 Layer[] layers = map.getLayersByName(name); |
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#300 Synchronized the ThemePanel's layer order with the internal order of the Map.
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|
426 |
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#300 Synchronized the ThemePanel's layer order with the internal order of the Map.
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427 if (layers == null || layers.length == 0) { |
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428 GWT.log("Error: Cannot find layer '" + name + "'"); |
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429 return; |
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430 } |
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431 |
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432 map.raiseLayer(layers[0], (newIdx-oldIdx)*-1); |
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433 map.zoomTo(map.getZoom()-1); |
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434 map.zoomTo(map.getZoom()+1); |
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435 } |
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436 } |
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437 ); |
806
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438 c.addChild(themePanel); |
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439 |
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440 return c; |
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441 } |
806
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442 |
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443 |
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444 protected void activateTheme(Theme theme, boolean active) { |
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445 String name = theme.getDescription(); |
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446 Layer layer = floodMap.getMap().getLayerByName(name); |
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447 |
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448 if (layer != null) { |
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449 layer.setIsVisible(active); |
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450 } |
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451 } |
825
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452 |
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453 |
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454 protected void saveBarriers() { |
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455 Vector layer = floodMap.getBarrierLayer(); |
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456 |
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457 GeoJSON format = new GeoJSON(); |
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458 String features = format.write(layer.getFeatures()); |
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459 |
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460 DataItem item = new DefaultDataItem( |
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461 BARRIERS_PARAMETER_KEY, BARRIERS_PARAMETER_KEY, features); |
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462 |
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463 Data data = new DefaultData( |
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464 BARRIERS_PARAMETER_KEY, BARRIERS_PARAMETER_KEY, "String", |
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465 new DataItem[] {item} ); |
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466 |
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467 Config config = Config.getInstance(); |
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468 final String url = config.getServerUrl(); |
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469 final String locale = config.getLocale(); |
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470 |
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471 feedService.go(url, locale, getArtifact(), new Data[] { data }, |
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472 new AsyncCallback<Artifact>() { |
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473 public void onFailure(Throwable caught) { |
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474 GWT.log("Could not save barrier geometries: " + |
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475 caught.getMessage()); |
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476 } |
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477 |
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478 public void onSuccess(Artifact artifact) { |
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479 GWT.log("Successfully saved barrier geometries."); |
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480 } |
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481 } |
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482 ); |
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483 } |
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484 } |
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485 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |