Mercurial > dive4elements > river
annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/map/MapToolbar.java @ 825:1b9b7e9ab219
Save and reload user defined geometries (barriers) in the map.
flys-client/trunk@2522 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Mon, 22 Aug 2011 13:29:55 +0000 |
parents | d45ad7fd3027 |
children | dcecdd9693a8 |
rev | line source |
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1 package de.intevation.flys.client.client.ui.map; |
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2 |
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3 import com.google.gwt.core.client.GWT; |
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4 |
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5 import com.smartgwt.client.types.SelectionType; |
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6 import com.smartgwt.client.widgets.Canvas; |
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7 import com.smartgwt.client.widgets.ImgButton; |
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8 import com.smartgwt.client.widgets.events.ClickEvent; |
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9 import com.smartgwt.client.widgets.events.ClickHandler; |
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10 import com.smartgwt.client.widgets.layout.HLayout; |
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11 |
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12 import org.gwtopenmaps.openlayers.client.Map; |
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13 import org.gwtopenmaps.openlayers.client.control.DragPan; |
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14 import org.gwtopenmaps.openlayers.client.control.SelectFeature; |
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15 import org.gwtopenmaps.openlayers.client.control.SelectFeatureOptions; |
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16 import org.gwtopenmaps.openlayers.client.control.ZoomBox; |
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17 import org.gwtopenmaps.openlayers.client.feature.VectorFeature; |
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18 import org.gwtopenmaps.openlayers.client.layer.Vector; |
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19 import org.gwtopenmaps.openlayers.client.util.Attributes; |
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20 |
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21 import de.intevation.flys.client.client.FLYSConstants; |
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22 import de.intevation.flys.client.client.utils.EnableDisableCmd; |
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23 |
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24 |
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25 /** |
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26 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> |
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27 */ |
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28 public class MapToolbar extends HLayout { |
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29 |
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30 public static final String MARK_TO_DELETE = "mark.delete"; |
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31 |
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32 protected FLYSConstants MSG = GWT.create(FLYSConstants.class); |
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33 |
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34 protected FloodMap floodMap; |
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35 protected DragPan pan; |
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36 protected ZoomBox zoomBox; |
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37 protected SelectFeature selectFeature; |
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38 |
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39 protected ImgButton zoomToMaxButton; |
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40 protected ImgButton zoomBoxButton; |
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41 protected ImgButton zoomOutButton; |
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42 protected ImgButton panButton; |
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43 protected ImgButton selectButton; |
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44 protected ImgButton removeButton; |
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45 |
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46 protected DrawControl drawControl; |
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47 protected MeasureControl measureControl; |
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48 |
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49 protected Canvas position; |
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50 |
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51 |
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52 public MapToolbar(FloodMap floodMap, Canvas wrapper) { |
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53 super(); |
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54 |
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55 setWidth100(); |
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56 setHeight(30); |
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57 setMembersMargin(10); |
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58 setPadding(5); |
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59 setBorder("1px solid black"); |
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60 |
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61 this.floodMap = floodMap; |
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62 |
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63 Canvas spacer = new Canvas(); |
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64 spacer.setWidth("*"); |
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65 |
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66 zoomToMaxButton = createMaxExtentControl(); |
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67 zoomBoxButton = createZoomBoxControl(); |
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68 zoomOutButton = createZoomOutControl(); |
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69 panButton = createPanControl(); |
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70 position = createMousePosition(wrapper); |
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71 drawControl = createDrawControl(); |
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72 selectButton = createSelectFeatureControl(); |
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73 removeButton = createRemoveFeatureControl(); |
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74 measureControl = createMeasureControl(); |
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75 |
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76 addMember(zoomToMaxButton); |
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77 addMember(zoomBoxButton); |
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78 addMember(zoomOutButton); |
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79 addMember(panButton); |
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80 addMember(drawControl); |
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81 addMember(selectButton); |
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82 addMember(removeButton); |
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83 addMember(measureControl); |
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84 addMember(spacer); |
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85 addMember(position); |
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86 } |
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87 |
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88 |
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89 protected Map getMap() { |
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90 return floodMap.getMap(); |
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91 } |
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92 |
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93 |
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94 protected void activatePan(boolean activate) { |
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95 if (activate) { |
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96 panButton.select(); |
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97 pan.activate(); |
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98 } |
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99 else { |
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100 panButton.deselect(); |
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101 pan.deactivate(); |
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102 } |
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103 } |
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104 |
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105 |
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106 protected void activateZoomBox(boolean activate) { |
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107 if (activate) { |
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108 zoomBoxButton.select(); |
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109 zoomBox.activate(); |
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110 } |
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111 else { |
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112 zoomBoxButton.deselect(); |
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113 zoomBox.deactivate(); |
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114 } |
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115 } |
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116 |
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117 |
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118 protected void activateDrawFeature(boolean activate) { |
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119 drawControl.activate(activate); |
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120 } |
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121 |
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122 |
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123 protected void activateSelectFeature(boolean activate) { |
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124 if (activate) { |
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125 selectButton.select(); |
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126 selectFeature.activate(); |
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127 } |
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128 else { |
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129 selectButton.deselect(); |
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130 selectFeature.deactivate(); |
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131 } |
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132 } |
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133 |
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134 |
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135 protected void activateMeasureControl(boolean activate) { |
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136 measureControl.activate(activate); |
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137 } |
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138 |
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139 |
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140 protected ImgButton createButton(String img, ClickHandler handler) { |
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141 ImgButton btn = new ImgButton(); |
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142 |
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143 String baseUrl = GWT.getHostPageBaseURL(); |
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144 btn.setSrc(baseUrl + img); |
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145 btn.setWidth(20); |
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146 btn.setHeight(20); |
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147 btn.setShowDown(false); |
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148 btn.setShowRollOver(false); |
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149 btn.setShowDisabled(false); |
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150 btn.setShowDisabledIcon(true); |
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151 btn.setShowDownIcon(false); |
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152 btn.setShowFocusedIcon(false); |
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153 |
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154 if (handler != null) { |
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155 btn.addClickHandler(handler); |
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156 } |
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157 |
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158 return btn; |
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159 } |
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160 |
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161 |
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162 protected ImgButton createToggleButton( |
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163 String img, |
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164 final EnableDisableCmd cmd |
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165 ) { |
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166 final ImgButton btn = new ImgButton(); |
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167 |
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168 String baseUrl = GWT.getHostPageBaseURL(); |
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169 btn.setSrc(baseUrl + img); |
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170 btn.setActionType(SelectionType.CHECKBOX); |
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171 btn.setSize(20); |
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172 btn.setShowRollOver(false); |
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173 btn.setSelected(false); |
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174 btn.addClickHandler(new ClickHandler() { |
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175 public void onClick(ClickEvent e) { |
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176 if (btn.isSelected()) { |
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177 cmd.enable(); |
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178 } |
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179 else { |
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180 cmd.disable(); |
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181 } |
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182 } |
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183 }); |
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184 |
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185 return btn; |
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186 } |
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187 |
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188 |
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189 protected ImgButton createMaxExtentControl() { |
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190 ImgButton zoomToMax = createButton(MSG.zoom_all(), new ClickHandler() { |
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191 public void onClick(ClickEvent event) { |
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192 floodMap.getMap().zoomToMaxExtent(); |
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193 } |
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194 }); |
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195 |
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196 return zoomToMax; |
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197 } |
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198 |
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199 |
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200 protected ImgButton createZoomBoxControl() { |
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201 zoomBox = new ZoomBox(); |
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202 |
800
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203 EnableDisableCmd cmd = new EnableDisableCmd() { |
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204 public void enable() { |
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205 activateZoomBox(true); |
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206 activatePan(false); |
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207 activateDrawFeature(false); |
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208 activateSelectFeature(false); |
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209 activateMeasureControl(false); |
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210 } |
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211 |
800
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212 public void disable() { |
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213 activateZoomBox(false); |
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214 } |
800
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215 }; |
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216 |
800
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217 ImgButton button = createToggleButton(MSG.zoom_in(), cmd); |
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218 Map map = getMap(); |
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219 map.addControl(zoomBox); |
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220 |
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221 return button; |
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222 } |
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223 |
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224 |
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225 protected ImgButton createZoomOutControl() { |
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226 ImgButton zoomOut = createButton(MSG.zoom_out(), new ClickHandler() { |
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227 public void onClick(ClickEvent event) { |
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228 Map map = floodMap.getMap(); |
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229 int level = map.getZoom(); |
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230 |
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231 if (level > 1) { |
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232 map.zoomTo(level-1); |
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233 } |
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234 } |
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235 }); |
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236 |
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237 return zoomOut; |
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238 } |
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239 |
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240 |
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241 protected ImgButton createPanControl() { |
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242 pan = new DragPan(); |
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243 getMap().addControl(pan); |
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244 |
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245 EnableDisableCmd cmd = new EnableDisableCmd() { |
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246 public void enable() { |
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247 activateZoomBox(false); |
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248 activatePan(true); |
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249 activateDrawFeature(false); |
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250 activateSelectFeature(false); |
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251 activateMeasureControl(false); |
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252 } |
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253 |
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254 public void disable() { |
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255 activatePan(false); |
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256 } |
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257 }; |
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258 |
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259 final ImgButton button = createToggleButton(MSG.pan(), cmd); |
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260 |
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261 return button; |
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262 } |
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263 |
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264 |
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265 protected DrawControl createDrawControl() { |
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266 EnableDisableCmd cmd = new EnableDisableCmd() { |
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267 public void enable() { |
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268 activateZoomBox(false); |
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269 activatePan(false); |
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270 activateDrawFeature(true); |
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271 activateSelectFeature(false); |
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272 activateMeasureControl(false); |
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273 } |
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274 |
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275 public void disable() { |
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276 activateDrawFeature(false); |
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277 } |
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278 }; |
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279 return new DrawControl(getMap(), floodMap.getBarrierLayer(), cmd); |
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280 } |
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281 |
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282 |
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283 protected ImgButton createSelectFeatureControl() { |
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284 SelectFeatureOptions opts = new SelectFeatureOptions(); |
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285 opts.setBox(true); |
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286 |
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287 // VectorFeatures selected by the SelectFeature control are manually |
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288 // marked with the string "mark.delete". The control to remove selected |
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289 // features makes use of this string to determine if the feature should |
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290 // be deleted (is marked) or not. Actually, we would like to use the |
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291 // OpenLayers native mechanism to select features, but for some reason |
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292 // this doesn't work here. After a feature has been selected, the layer |
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293 // still has no selected features. |
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294 opts.onSelect(new SelectFeature.SelectFeatureListener() { |
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295 public void onFeatureSelected(VectorFeature feature) { |
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296 Attributes attr = feature.getAttributes(); |
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297 attr.setAttribute(MARK_TO_DELETE, 1); |
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298 } |
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299 }); |
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300 |
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301 opts.onUnSelect(new SelectFeature.UnselectFeatureListener() { |
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302 public void onFeatureUnselected(VectorFeature feature) { |
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303 Attributes attr = feature.getAttributes(); |
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304 attr.setAttribute(MARK_TO_DELETE, 0); |
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305 } |
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306 }); |
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307 |
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308 selectFeature = new SelectFeature(floodMap.getBarrierLayer(), opts); |
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309 getMap().addControl(selectFeature); |
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310 |
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311 EnableDisableCmd cmd = new EnableDisableCmd() { |
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312 public void enable() { |
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313 activateDrawFeature(false); |
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314 activatePan(false); |
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315 activateZoomBox(false); |
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316 activateSelectFeature(true); |
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317 activateMeasureControl(false); |
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318 } |
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319 |
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320 public void disable() { |
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321 activateSelectFeature(false); |
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322 } |
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323 }; |
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324 |
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325 ImgButton button = createToggleButton(MSG.selectFeature(), cmd); |
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326 |
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327 return button; |
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328 } |
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329 |
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330 |
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331 protected ImgButton createRemoveFeatureControl() { |
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332 ImgButton remove = createButton(MSG.removeFeature(),new ClickHandler() { |
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333 public void onClick(ClickEvent event) { |
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334 Vector barriers = floodMap.getBarrierLayer(); |
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335 VectorFeature[] features = barriers.getFeatures(); |
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336 |
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337 if (features == null || features.length == 0) { |
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338 return; |
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339 } |
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340 |
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341 for (int i = features.length-1; i >= 0; i--) { |
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342 VectorFeature feature = features[i]; |
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343 |
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344 Attributes attr = feature.getAttributes(); |
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345 int del = attr.getAttributeAsInt(MARK_TO_DELETE); |
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346 |
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347 if (del == 1) { |
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348 barriers.removeFeature(feature); |
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349 feature.destroy(); |
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350 } |
799
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351 } |
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352 } |
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353 }); |
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354 |
800
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355 return remove; |
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356 } |
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357 |
800
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358 |
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359 protected Canvas createMousePosition(Canvas mapWrapper) { |
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360 return new MapPositionPanel(floodMap.getMapWidget(), mapWrapper); |
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Added controls to navigate in the map.
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361 } |
802
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Added map tools to measure lines and polygons.
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362 |
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363 |
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364 protected MeasureControl createMeasureControl() { |
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365 EnableDisableCmd cmd = new EnableDisableCmd() { |
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366 public void enable() { |
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367 activateDrawFeature(false); |
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368 activatePan(false); |
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369 activateZoomBox(false); |
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370 activateSelectFeature(false); |
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parents:
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371 } |
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parents:
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372 |
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373 public void disable() { |
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374 // do nothing |
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parents:
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375 } |
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parents:
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376 }; |
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parents:
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377 |
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parents:
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378 return new MeasureControl(floodMap, cmd); |
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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379 } |
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parents:
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380 } |
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381 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |