Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/GaugePanel.java @ 3842:44c1beb78ad1

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Move GaugeTree to its own java file flys-client/trunk@5557 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Bjoern Ricks <bjoern.ricks@intevation.de>
date Fri, 21 Sep 2012 13:44:56 +0000
parents 5877d6900e34
children f3b821735e39
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 Anchor anchor = new Anchor(MSG.gauge_river_info_link(), riverinfo.getInfoURL());
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190 add(anchor);
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191 }
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192
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193 private void addLabel(String text, boolean wordwrap) {
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194 Label label = new Label(text, wordwrap);
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195 add(label);
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196 setCellHeight(label, "" + HEIGHT + "px");
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197 }
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198 }
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199 }
http://dive4elements.wald.intevation.org