Mercurial > dive4elements > river
annotate gwt-client/src/main/java/org/dive4elements/river/client/client/ui/map/GetFeatureInfo.java @ 5861:172338b1407f
GWT client: Added copyright header.
author | Sascha L. Teichmann <teichmann@intevation.de> |
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date | Sun, 28 Apr 2013 14:30:15 +0200 |
parents | 5aa05a7a34b7 |
children | ea9eef426962 |
rev | line source |
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde |
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2 * Software engineering by Intevation GmbH |
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3 * |
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4 * This file is Free Software under the GNU AGPL (>=v3) |
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the |
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6 * documentation coming with Dive4Elements River for details. |
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7 */ |
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8 |
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9 package org.dive4elements.river.client.client.ui.map; |
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10 |
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11 import java.util.List; |
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12 |
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13 import com.google.gwt.core.client.GWT; |
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14 import com.google.gwt.user.client.rpc.AsyncCallback; |
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15 |
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16 import com.smartgwt.client.util.SC; |
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17 import com.smartgwt.client.widgets.grid.ListGridRecord; |
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18 |
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19 import org.gwtopenmaps.openlayers.client.Map; |
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20 import org.gwtopenmaps.openlayers.client.LonLat; |
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21 import org.gwtopenmaps.openlayers.client.Pixel; |
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22 import org.gwtopenmaps.openlayers.client.event.MapClickListener; |
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23 |
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24 import org.dive4elements.river.client.shared.model.FeatureInfo; |
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25 |
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26 import org.dive4elements.river.client.client.FLYSConstants; |
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27 import org.dive4elements.river.client.client.services.GFIService; |
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28 import org.dive4elements.river.client.client.services.GFIServiceAsync; |
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29 import org.dive4elements.river.client.shared.model.FacetRecord; |
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30 import org.dive4elements.river.client.shared.model.Theme; |
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31 import org.dive4elements.river.client.shared.model.AttributedTheme; |
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32 import org.dive4elements.river.client.shared.model.FeatureInfoResponse; |
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33 import org.dive4elements.river.client.client.ui.ThemePanel; |
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34 |
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35 |
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36 public class GetFeatureInfo implements MapClickListener { |
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37 |
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38 protected GFIServiceAsync gfiService = GWT.create(GFIService.class); |
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39 |
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40 protected FLYSConstants MSG = GWT.create(FLYSConstants.class); |
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41 |
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42 protected GetFeatureInfoWindow gfiWindow; |
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43 |
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44 protected Map map; |
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45 protected ThemePanel themePanel; |
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46 protected String infoFormat; |
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47 |
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48 |
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49 /** |
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50 * @param map |
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51 * @param themes |
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52 * @param url |
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53 * @param infoFormat |
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54 */ |
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55 public GetFeatureInfo(Map map, ThemePanel themePanel, String infoFormat) { |
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56 this.map = map; |
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57 this.themePanel = themePanel; |
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58 this.infoFormat = infoFormat; |
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59 } |
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60 |
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61 |
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62 public void activate(boolean activate) { |
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63 if (activate) { |
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64 map.addMapClickListener(this); |
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65 } |
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66 else { |
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67 map.removeListener(this); |
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68 } |
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69 } |
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70 |
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71 |
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72 protected void newGetFeatureInfoWindow(List<FeatureInfo> features, String title) { |
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73 if (gfiWindow != null) { |
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74 gfiWindow.destroy(); |
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75 } |
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76 |
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77 gfiWindow = new GetFeatureInfoWindow(features, title); |
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78 gfiWindow.show(); |
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79 } |
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80 |
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81 protected void newGetFeatureInfoWindow(String response, String title) { |
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82 if (gfiWindow != null) { |
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83 gfiWindow.destroy(); |
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84 } |
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85 |
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86 gfiWindow = new GetFeatureInfoWindow(response, title); |
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87 gfiWindow.show(); |
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88 } |
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89 |
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90 @Override |
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91 public void onClick(MapClickListener.MapClickEvent e) { |
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92 LonLat lonlat = e.getLonLat(); |
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93 Pixel pixel = map.getPixelFromLonLat(lonlat); |
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94 |
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95 if (themePanel.getSelectedRecords().length == 0) { |
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96 SC.say(MSG.requireTheme()); |
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97 } |
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98 |
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99 for (ListGridRecord rec : themePanel.getSelectedRecords()) { |
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100 Theme act_theme = ((FacetRecord)rec).getTheme(); |
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101 final AttributedTheme at = (AttributedTheme)act_theme; |
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102 gfiService.query( |
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103 act_theme, |
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104 infoFormat, |
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105 map.getExtent().toString(), |
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106 map.getProjection(), |
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107 (int) map.getSize().getHeight(), |
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108 (int) map.getSize().getWidth(), |
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109 pixel.x(), pixel.y(), |
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110 new AsyncCallback<FeatureInfoResponse>() { |
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111 @Override |
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112 public void onFailure(Throwable e) { |
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113 SC.warn(MSG.getString(e.getMessage())); |
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114 } |
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115 |
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116 @Override |
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117 public void onSuccess(FeatureInfoResponse response) { |
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118 List<FeatureInfo> features = response.getFeatures(); |
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119 if (features != null && !features.isEmpty()) { |
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120 newGetFeatureInfoWindow(features, at.getAttr("description")); |
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121 } else if (response.getFeatureInfoHTML() != null) { |
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122 newGetFeatureInfoWindow(response.getFeatureInfoHTML(), |
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123 at.getAttr("description")); |
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124 } else { |
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125 GWT.log("GetFeatureInfo returned neither a list of features nor a string"); |
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126 } |
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127 } |
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128 } |
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129 ); |
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130 break; // More intelligent handling when more then one is selected |
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131 } |
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132 } |
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133 } |