Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/GaugePanel.java @ 4137:9be8d7942284

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Open gauge and river info in a new browser window Fix for issue #918
author Björn Ricks <bjoern.ricks@intevation.de>
date Mon, 15 Oct 2012 15:23:13 +0200
parents 360e22afb98b
children 1fa244f70ad5
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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16 import de.intevation.flys.client.client.FLYS;
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17 import de.intevation.flys.client.client.FLYSConstants;
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18 import de.intevation.flys.client.client.services.GaugeOverviewInfoService;
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19 import de.intevation.flys.client.client.services.GaugeOverviewInfoServiceAsync;
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20 import de.intevation.flys.client.shared.model.DataList;
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21 import de.intevation.flys.client.shared.model.RiverInfo;
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22
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23 /**
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24 * The GaugePanel is intended to be used within a SectionStackSection
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25 * It extends the VLayout by two methods to show and hide the
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26 * section stack section.
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27 *
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28 * @author <a href="mailto:bjoern.ricks@intevation.de">Björn Ricks</a>
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29 */
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30 public class GaugePanel extends VLayout implements ResizedHandler {
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31
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32 /** SectionStackSection where this GaugePanel belongs in*/
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33 private SectionStackSection sectionStack;
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34
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35 /** Name of the river */
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36 private String river;
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37
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38 /** The message class that provides i18n strings.*/
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39 protected FLYSConstants MSG = GWT.create(FLYSConstants.class);
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40
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41 protected GaugeOverviewInfoServiceAsync gaugeOverviewInfoService =
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42 GWT.create(GaugeOverviewInfoService.class);
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43
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44 protected GaugeTree gaugetree;
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45
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46 protected RiverInfoPanel riverinfopanel;
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47
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48 /**
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49 * Creates a new VLayout with a SectionStackSection
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50 * The GaugePanel's SectionStackSection is hidden by default.
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51 *
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52 * @param flys The FLYS object
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53 * @param sectionStack The section stack section to place the VLayout in.
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54 */
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55 public GaugePanel(FLYS flys, SectionStackSection sectionStack) {
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56 gaugetree = new GaugeTree(flys);
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57 setOverflow(Overflow.HIDDEN);
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58 sectionStack.setHidden(true);
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59 sectionStack.setItems(this);
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60 this.sectionStack = sectionStack;
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61 setStyleName("gaugepanel");
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62 addResizedHandler(this);
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63 }
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64
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65 /**
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66 * Sets and loads the river data if river is not the current set river
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67 */
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68 public void setRiver(String river) {
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69 if (!river.equals(this.river)) {
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70 this.river = river;
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71 this.refresh();
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72 }
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73 }
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74
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75 /**
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76 * Sets the data and closes not corresponding folds in the gauge tree
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77 */
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78 public void setData(DataList[] data) {
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79 gaugetree.setData(data);
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80 }
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81
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82 /**
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83 * Loads the river info and renders it afterwards
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84 */
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85 public void refresh() {
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86 gaugeOverviewInfoService.getRiverInfo(this.river, new AsyncCallback<RiverInfo>() {
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87 @Override
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88 public void onFailure(Throwable e) {
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89 GWT.log("Could not load the river info." + e);
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90 }
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91
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92 @Override
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93 public void onSuccess(RiverInfo riverinfo) {
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94 GWT.log("Loaded river info");
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95 renderGaugeOverviewInfo(riverinfo);
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96 }
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97 });
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98 }
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99
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100 public void renderGaugeOverviewInfo(RiverInfo riverinfo) {
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101 removeMembers(getMembers());
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102
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103 riverinfopanel = new RiverInfoPanel(riverinfo);
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104 addMember(riverinfopanel);
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105 addMember(gaugetree);
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106
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107 gaugetree.setGauges(riverinfo);
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108 }
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109
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110 @Override
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111 public void onResized(ResizedEvent event) {
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112 /* this height calculation is only an approximation and doesn't reflect
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113 * the real height of the the gaugetree. */
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114 int height = getInnerContentHeight() -
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115 (RiverInfoPanel.HEIGHT +
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116 (2 * RiverInfoPanel.BORDER_WIDTH) +
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117 (2 * RiverInfoPanel.PADDING) +
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118 (2 * RiverInfoPanel.MARGIN));
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119
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120 if (height < 0) {
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121 height = 0;
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122 }
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123
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124 gaugetree.setHeight("" + height + "px");
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125 }
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126
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127
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128 /**
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129 * Hide the section stack section.
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130 */
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131 @Override
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132 public void hide() {
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133 GWT.log("GaugePanel - hide");
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134 this.sectionStack.setHidden(true);
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135 }
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136
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137 /**
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138 * Show the section stack section.
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139 */
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140 @Override
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141 public void show() {
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142 GWT.log("GaugePanel - show");
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143 this.sectionStack.setHidden(false);
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144 }
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145
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146 class RiverInfoPanel extends HorizontalPanel {
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147
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148 public final static int HEIGHT = 30;
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149 public final static int BORDER_WIDTH = 3;
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150 public final static int PADDING = 8;
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151 public final static int MARGIN = 10;
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152
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153 public RiverInfoPanel(RiverInfo riverinfo) {
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154 setStyleName("riverinfopanel");
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155 setHeight("" + HEIGHT + "px");
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156 setVerticalAlignment(ALIGN_MIDDLE);
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157
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158 NumberFormat nf = NumberFormat.getDecimalFormat();
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159
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160 addLabel(riverinfo.getName(), false);
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161
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162 String kmtext = "";
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163 Double start = riverinfo.getKmStart();
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164 Double end = riverinfo.getKmEnd();
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165
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166 if (!riverinfo.isKmUp()) {
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167 Double tmp = end;
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168 end = start;
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169 start = tmp;
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170 }
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171 if (end != null) {
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172 kmtext += nf.format(end);
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173 kmtext += " - ";
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174 }
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175 if (start != null) {
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176 kmtext += nf.format(start);
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177 }
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178 kmtext += " km";
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179
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180 addLabel(kmtext, false);
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181
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182 String qtext = "";
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183 Double qmin = riverinfo.getMinQ();
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184 Double qmax = riverinfo.getMaxQ();
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185 if (qmin != null) {
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186 qtext += nf.format(qmin);
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187 qtext += " " + MSG.gauge_q_unit();
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188 qtext += " - ";
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189 }
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190 if (qmax != null) {
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191 qtext += nf.format(qmax);
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192 qtext += " " + MSG.gauge_q_unit();
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193 }
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194
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195 addLabel(qtext, false);
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196
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197 Long number = riverinfo.getOfficialNumber();
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198 String url = number != null ?
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199 MSG.gauge_river_url() + number :
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200 MSG.gauge_river_url();
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201 Anchor anchor = new Anchor(MSG.gauge_river_info_link(), url, "_blank");
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202 add(anchor);
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203 }
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204
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205 private void addLabel(String text, boolean wordwrap) {
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206 Label label = new Label(text, wordwrap);
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207 add(label);
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208 setCellHeight(label, "" + HEIGHT + "px");
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209 }
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210 }
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211 }
http://dive4elements.wald.intevation.org