Mercurial > dive4elements > river
annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/map/FloodMap.java @ 2924:60c375173263
Minor refactoring.
flys-client/trunk@4806 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Wed, 27 Jun 2012 06:52:54 +0000 |
parents | ddf43791244c |
children | 6d749af6a9c2 |
rev | line source |
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Introduced GwtOpenLayers to bring up maps.
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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 org.gwtopenmaps.openlayers.client.Bounds; |
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4 import org.gwtopenmaps.openlayers.client.Map; |
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5 import org.gwtopenmaps.openlayers.client.MapOptions; |
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6 import org.gwtopenmaps.openlayers.client.MapWidget; |
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7 import org.gwtopenmaps.openlayers.client.Style; |
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8 import org.gwtopenmaps.openlayers.client.control.ScaleLine; |
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9 import org.gwtopenmaps.openlayers.client.control.ScaleLineOptions; |
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10 import org.gwtopenmaps.openlayers.client.event.VectorFeatureAddedListener; |
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11 import org.gwtopenmaps.openlayers.client.event.VectorFeatureAddedListener.FeatureAddedEvent; |
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Added a UIProvider that displays a combobox on the left and a map widget in the helper container.
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12 import org.gwtopenmaps.openlayers.client.feature.VectorFeature; |
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13 import org.gwtopenmaps.openlayers.client.format.GeoJSON; |
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Update the map when receiving a RedrawRequestEvent.
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14 import org.gwtopenmaps.openlayers.client.layer.Layer; |
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15 import org.gwtopenmaps.openlayers.client.layer.Vector; |
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16 import org.gwtopenmaps.openlayers.client.layer.VectorOptions; |
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17 import org.gwtopenmaps.openlayers.client.util.Attributes; |
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18 import org.gwtopenmaps.openlayers.client.util.JObjectArray; |
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19 import org.gwtopenmaps.openlayers.client.util.JSObject; |
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20 import org.gwtopenmaps.openlayers.client.LonLat; |
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21 |
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Introduced GwtOpenLayers to bring up maps.
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parents:
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22 |
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23 public class FloodMap implements VectorFeatureAddedListener { |
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24 |
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25 public static final String LAYER_BARRIERS = "vector_layer_barriers"; |
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26 |
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27 public static final String MARK_SELECTED = "mark.selected"; |
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28 |
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Improved error handling while using the elevation control - Make selected features in the map visible.
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29 public static final int SELECTED_STROKE_WIDTH = 2; |
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30 |
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31 protected MapWidget mapWidget; |
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32 protected Map map; |
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33 protected Vector barrierLayer; |
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34 protected String srid; |
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35 protected Bounds maxExtent; |
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36 protected ScaleLine scaleLine; |
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parents:
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37 |
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38 public FloodMap(String srid, Bounds maxExtent) { |
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39 this.srid = srid; |
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40 this.maxExtent = maxExtent; |
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Set the map projection and its max extent dynamically - information extracted from facets.
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parents:
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41 |
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Introduced GwtOpenLayers to bring up maps.
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parents:
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42 MapOptions opts = new MapOptions(); |
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parents:
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43 opts.setControls(new JObjectArray(new JSObject[] {})); |
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parents:
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44 opts.setNumZoomLevels(16); |
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45 opts.setProjection(getRiverProjection()); |
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46 opts.setMaxExtent(maxExtent); |
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Bugfix: #289 Set map units 'm'.
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47 opts.setUnits("m"); |
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48 opts.setMaxResolution(500); // TODO DO THIS ON THE FLY |
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49 |
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50 mapWidget = new MapWidget("510px", "635px", opts); |
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51 map = mapWidget.getMap(); |
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The layers created in the floodmap reflect to the facets this output mode has.
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52 |
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53 getBarrierLayer(); |
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54 } |
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parents:
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55 |
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parents:
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56 |
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57 @Override |
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58 public void onFeatureAdded(FeatureAddedEvent evt) { |
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59 VectorFeature feature = evt.getVectorFeature(); |
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60 |
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61 Attributes attrs = feature.getAttributes(); |
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62 String type = attrs.getAttributeAsString("typ"); |
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63 |
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64 if (type == null || type.length() == 0) { |
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65 return; |
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66 } |
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67 |
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68 Style style = getStyle(type); |
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69 if (style != null) { |
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70 feature.setStyle(style); |
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71 } |
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72 |
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73 // necessary, otherwise the setStyle() has no effect |
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74 barrierLayer.redraw(); |
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75 } |
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76 |
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77 |
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78 /** |
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79 * Returns an OpenLayers.Style based on a given type. |
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80 * |
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81 * @param type Type can be one of "pipe1", "pipe2", "ditch", "dam", |
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82 * "ringdike". |
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83 * |
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84 * @return an OpenLayers.Style object. |
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85 */ |
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86 public static Style getStyle(String type) { |
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87 Style style = new Style(); |
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88 |
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89 if (type == null) { |
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90 return null; |
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91 } |
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92 |
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93 if (type.equals(DrawControl.BARRIER_PIPE1) |
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94 || type.equals(DrawControl.BARRIER_PIPE1_VALUE) |
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95 ) { |
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96 style.setFillColor("#800080"); |
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97 style.setStrokeColor("#800080"); |
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98 } |
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99 else if (type.equals(DrawControl.BARRIER_PIPE2) |
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100 || type.equals(DrawControl.BARRIER_PIPE2_VALUE) |
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101 ) { |
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102 style.setFillColor("#808080"); |
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103 style.setStrokeColor("#808080"); |
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104 } |
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105 else if (type.equals(DrawControl.BARRIER_DAM) |
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106 || type.equals(DrawControl.BARRIER_DAM_VALUE) |
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107 ) { |
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108 style.setFillColor("#008000"); |
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109 style.setStrokeColor("#008000"); |
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110 } |
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111 else if (type.equals(DrawControl.BARRIER_DITCH) |
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112 || type.equals(DrawControl.BARRIER_DITCH_VALUE) |
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113 ) { |
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114 style.setFillColor("#800000"); |
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115 style.setStrokeColor("#800000"); |
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116 } |
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117 else if (type.equals(DrawControl.BARRIER_RINGDIKE) |
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118 || type.equals(DrawControl.BARRIER_RINGDIKE_VALUE) |
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119 ) { |
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120 style.setFill(false); |
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121 style.setStrokeColor("#FF8000"); |
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122 } |
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123 |
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124 return style; |
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125 } |
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126 |
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127 |
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128 public MapWidget getMapWidget() { |
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129 return mapWidget; |
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130 } |
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131 |
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132 |
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133 public Map getMap() { |
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134 return map; |
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135 } |
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136 |
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137 |
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138 public String getRiverProjection() { |
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139 return "EPSG:" + srid; |
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140 } |
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141 |
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142 |
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143 public Bounds getMaxExtent() { |
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144 return maxExtent; |
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145 } |
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146 |
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147 |
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148 public Vector getBarrierLayer() { |
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149 if (barrierLayer == null) { |
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150 VectorOptions opts = new VectorOptions(); |
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151 opts.setProjection(getRiverProjection()); |
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152 opts.setMaxExtent(getMaxExtent()); |
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153 |
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154 barrierLayer = new Vector(LAYER_BARRIERS, opts); |
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155 barrierLayer.setIsBaseLayer(true); |
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156 |
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157 map.addLayer(barrierLayer); |
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158 |
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159 barrierLayer.addVectorFeatureAddedListener(this); |
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160 } |
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161 |
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162 return barrierLayer; |
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163 } |
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164 |
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165 |
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166 public String getFeaturesAsGeoJSON() { |
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167 // disable features before exporting to GeoJSON |
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168 disableFeatures(); |
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169 |
833
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170 VectorFeature[] features = barrierLayer.getFeatures(); |
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171 |
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172 if (features == null || features.length == 0) { |
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173 return null; |
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174 } |
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175 |
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176 return new GeoJSON().write(features); |
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177 } |
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178 |
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179 |
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180 public void setSize(String width, String height) { |
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181 mapWidget.setWidth(width); |
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182 mapWidget.setHeight(height); |
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183 int currentZoom = map.getZoom(); |
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184 LonLat currentCenter = map.getCenter(); |
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185 map.updateSize(); |
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186 map.zoomTo(currentZoom); |
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187 map.setCenter(currentCenter); |
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188 } |
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189 |
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190 |
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191 public void addLayer(Layer layer) { |
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192 if (layer != null) { |
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193 map.addLayer(layer); |
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194 |
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195 int index = map.getLayerIndex(layer); |
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196 int newIndex = index * (-1) + 1; |
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197 |
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198 map.raiseLayer(layer, newIndex); |
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199 |
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200 update(); |
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201 } |
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202 } |
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203 |
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204 |
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205 public void hideBarrierLayer () { |
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206 if (barrierLayer != null) { |
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207 barrierLayer.setIsVisible(false); |
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208 } |
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209 } |
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210 |
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211 public void showBarrierLayer () { |
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212 if (barrierLayer != null) { |
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213 barrierLayer.setIsVisible(true); |
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214 } |
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215 } |
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216 |
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217 |
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218 public void selectFeature(VectorFeature feature) { |
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219 if (feature != null) { |
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220 selectFeatures(new VectorFeature[] { feature } ); |
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221 } |
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222 } |
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223 |
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224 |
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225 public void selectFeatures(VectorFeature[] features) { |
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226 if (features == null || features.length == 0) { |
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227 return; |
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228 } |
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229 |
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230 for (VectorFeature feature: features) { |
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231 Attributes attr = feature.getAttributes(); |
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232 |
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233 if (attr.getAttributeAsInt(MARK_SELECTED) == 1) { |
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234 continue; |
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235 } |
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236 |
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237 attr.setAttribute(MARK_SELECTED, 1); |
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238 |
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239 Style style = feature.getStyle(); |
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240 double strokeWidth = style.getStrokeWidth(); |
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241 |
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242 style.setStrokeWidth(strokeWidth+SELECTED_STROKE_WIDTH); |
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243 } |
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244 |
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245 getBarrierLayer().redraw(); |
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246 } |
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247 |
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248 |
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249 public void disableFeatures() { |
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250 Vector barriers = getBarrierLayer(); |
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251 VectorFeature[] features = barriers.getFeatures(); |
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252 |
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253 if (features == null || features.length == 0) { |
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254 return; |
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255 } |
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256 |
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257 disableFeatures(features); |
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258 } |
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259 |
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260 |
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261 public void disableFeature(VectorFeature feature) { |
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262 if (feature != null) { |
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263 disableFeatures(new VectorFeature[] { feature }); |
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264 } |
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265 } |
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266 |
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267 |
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268 public void disableFeatures(VectorFeature[] features) { |
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269 if (features == null || features.length == 0) { |
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270 return; |
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271 } |
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272 |
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273 for (VectorFeature feature: features) { |
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274 Attributes attr = feature.getAttributes(); |
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275 |
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276 if (attr.getAttributeAsInt(MARK_SELECTED) == 0) { |
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277 continue; |
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278 } |
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279 |
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280 attr.setAttribute(FloodMap.MARK_SELECTED, 0); |
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281 |
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282 Style style = feature.getStyle(); |
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283 double strokeWidth = style.getStrokeWidth(); |
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284 |
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285 style.setStrokeWidth(strokeWidth-SELECTED_STROKE_WIDTH); |
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286 } |
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287 |
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288 getBarrierLayer().redraw(); |
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289 } |
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290 |
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291 |
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292 public void update() { |
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293 Layer[] layers = map.getLayers(); |
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294 |
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295 for (Layer l: layers) { |
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296 l.redraw(); |
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297 } |
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298 } |
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299 |
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300 |
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301 public void activateScaleLine(boolean activate) { |
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302 if (activate) { |
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303 ScaleLineOptions slOpts = new ScaleLineOptions(); |
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304 slOpts.setBottomInUnits("m"); |
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305 slOpts.setBottomOutUnits("km"); |
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306 slOpts.setTopInUnits(""); |
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307 slOpts.setTopOutUnits(""); |
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308 |
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309 scaleLine = new ScaleLine(slOpts); |
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310 this.map.addControl(scaleLine); |
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311 } |
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312 else if (!activate && scaleLine != null){ |
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313 this.map.removeControl(scaleLine); |
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314 } |
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315 } |
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316 } |
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317 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |