Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/GaugePanel.java @ 3847:f3b821735e39

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Calculate the info url via i18n Don't fetch the info url from the artifact service and use i18n to calculate the url by using the official gauge and river number. flys-client/trunk@5582 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Bjoern Ricks <bjoern.ricks@intevation.de>
date Mon, 24 Sep 2012 08:39:22 +0000
parents 44c1beb78ad1
children 436eec3be6ff
rev   line source
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1 package de.intevation.flys.client.client.ui;
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2
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3 import com.google.gwt.core.client.GWT;
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4 import com.google.gwt.i18n.client.NumberFormat;
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5 import com.google.gwt.user.client.rpc.AsyncCallback;
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6 import com.google.gwt.user.client.ui.Anchor;
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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.Label;
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9
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10 import com.smartgwt.client.types.Overflow;
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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.SectionStackSection;
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14 import com.smartgwt.client.widgets.layout.VLayout;
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15
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16 import de.intevation.flys.client.client.FLYSConstants;
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17 import de.intevation.flys.client.client.services.GaugeOverviewInfoService;
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18 import de.intevation.flys.client.client.services.GaugeOverviewInfoServiceAsync;
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19 import de.intevation.flys.client.shared.model.DataList;
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20 import de.intevation.flys.client.shared.model.RiverInfo;
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21
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22 /**
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23 * The GaugePanel is intendet to be used within a SectionStackSection
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24 * It extends the VLayout by two methods to show and hide the
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25 * section stack section.
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26 *
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27 * @author <a href="mailto:bjoern.ricks@intevation.de">Björn Ricks</a>
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28 */
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29 public class GaugePanel extends VLayout implements ResizedHandler {
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30
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31 /** SectionStackSection where this GaugePanel belongs in*/
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32 private SectionStackSection sectionStack;
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33
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34 /** Name of the river */
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35 private String river;
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36
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37 /** The message class that provides i18n strings.*/
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38 protected FLYSConstants MSG = GWT.create(FLYSConstants.class);
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39
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40 protected GaugeOverviewInfoServiceAsync gaugeOverviewInfoService =
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41 GWT.create(GaugeOverviewInfoService.class);
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42
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43 protected GaugeTree gaugetree = new GaugeTree();
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44
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45 protected RiverInfoPanel riverinfopanel;
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46
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47 /**
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48 * Creates a new VLayout with a SectionStackSection
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49 * The GaugePanel's SectionStackSection is hidden by default.
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50 * @param sectionStack The section stack section to place the VLayout in.
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51 */
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52 public GaugePanel(SectionStackSection sectionStack) {
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53 setOverflow(Overflow.HIDDEN);
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54 sectionStack.setHidden(true);
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55 sectionStack.setItems(this);
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56 this.sectionStack = sectionStack;
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57 setStyleName("gaugepanel");
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58 addResizedHandler(this);
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59 }
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60
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61 /**
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62 * Sets and loads the river data if river is not the current set river
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63 */
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64 public void setRiver(String river) {
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65 if (!river.equals(this.river)) {
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66 this.river = river;
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67 this.refresh();
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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 * Sets the data and closes not corresponding folds in the gauge tree
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73 */
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74 public void setData(DataList[] data) {
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75 gaugetree.setData(data);
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76 }
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77
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78 /**
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79 * Loads the river info and renders it afterwards
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80 */
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81 public void refresh() {
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82 gaugeOverviewInfoService.getRiverInfo(this.river, new AsyncCallback<RiverInfo>() {
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83 public void onFailure(Throwable e) {
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84 GWT.log("Could not load the river info." + e);
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85 }
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86
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87 public void onSuccess(RiverInfo riverinfo) {
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88 GWT.log("Loaded river info");
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89 renderGaugeOverviewInfo(riverinfo);
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90 }
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91 });
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92 }
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93
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94 public void renderGaugeOverviewInfo(RiverInfo riverinfo) {
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95 removeMembers(getMembers());
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96
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97 riverinfopanel = new RiverInfoPanel(riverinfo);
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98 addMember(riverinfopanel);
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99 addMember(gaugetree);
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100
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101 gaugetree.setGauges(riverinfo);
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102 }
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103
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104 @Override
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105 public void onResized(ResizedEvent event) {
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106 /* this height calculation is only an approximation and doesn't reflect
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107 * the real height of the the gaugetree. */
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108 int height = getInnerContentHeight() -
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109 (RiverInfoPanel.HEIGHT +
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110 (2 * RiverInfoPanel.BORDER_WIDTH) +
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111 (2 * RiverInfoPanel.PADDING) +
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112 (2 * RiverInfoPanel.MARGIN));
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113
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114 if (height < 0) {
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115 height = 0;
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116 }
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117
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118 gaugetree.setHeight("" + height + "px");
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119 }
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120
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121
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122 /**
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123 * Hide the section stack section.
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124 */
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125 public void hide() {
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126 GWT.log("GaugePanel - hide");
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127 this.sectionStack.setHidden(true);
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128 }
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129
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130 /**
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131 * Show the section stack section.
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132 */
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133 public void show() {
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134 GWT.log("GaugePanel - show");
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135 this.sectionStack.setHidden(false);
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136 }
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137
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138 class RiverInfoPanel extends HorizontalPanel {
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139
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140 public final static int HEIGHT = 30;
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141 public final static int BORDER_WIDTH = 3;
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142 public final static int PADDING = 8;
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143 public final static int MARGIN = 10;
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144
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145 public RiverInfoPanel(RiverInfo riverinfo) {
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146 setStyleName("riverinfopanel");
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147 setHeight("" + HEIGHT + "px");
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148 setVerticalAlignment(ALIGN_MIDDLE);
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149
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150 NumberFormat nf = NumberFormat.getDecimalFormat();
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151
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152 addLabel(riverinfo.getName(), false);
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153
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154 String kmtext = "";
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155 Double start = riverinfo.getKmStart();
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156 Double end = riverinfo.getKmEnd();
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157
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158 if (!riverinfo.isKmUp()) {
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159 Double tmp = end;
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160 end = start;
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161 start = tmp;
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162 }
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163 if (end != null) {
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164 kmtext += nf.format(end);
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165 kmtext += " - ";
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166 }
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167 if (start != null) {
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168 kmtext += nf.format(start);
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169 }
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170 kmtext += " km";
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171
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172 addLabel(kmtext, false);
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173
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174 String qtext = "";
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175 Double qmin = riverinfo.getMinQ();
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176 Double qmax = riverinfo.getMaxQ();
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177 if (qmin != null) {
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178 qtext += nf.format(qmin);
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179 qtext += " " + MSG.gauge_q_unit();
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180 qtext += " - ";
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181 }
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182 if (qmax != null) {
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183 qtext += nf.format(qmax);
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184 qtext += " " + MSG.gauge_q_unit();
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185 }
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186
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187 addLabel(qtext, false);
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188
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189 Long number = riverinfo.getOfficialNumber();
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190 String url = number != null ?
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191 MSG.gauge_river_url() + number :
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192 MSG.gauge_river_url();
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193 Anchor anchor = new Anchor(MSG.gauge_river_info_link(), url);
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194 add(anchor);
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195 }
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196
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197 private void addLabel(String text, boolean wordwrap) {
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198 Label label = new Label(text, wordwrap);
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199 add(label);
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200 setCellHeight(label, "" + HEIGHT + "px");
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201 }
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202 }
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203 }
http://dive4elements.wald.intevation.org