Mercurial > dive4elements > river
annotate gwt-client/src/main/java/org/dive4elements/river/client/client/ui/LinkSelection.java @ 5966:b2e6a90ba0e6
Only select available rivers in interactive image map.
author | Raimund Renkert <rrenkert@intevation.de> |
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date | Fri, 10 May 2013 11:40:31 +0200 |
parents | 5de1b9faebf5 |
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; |
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10 |
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11 import java.util.HashMap; |
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12 import java.util.LinkedHashMap; |
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13 import java.util.Map; |
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14 |
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15 import com.google.gwt.core.client.GWT; |
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16 |
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17 import com.smartgwt.client.types.VerticalAlignment; |
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18 import com.smartgwt.client.widgets.Canvas; |
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19 import com.smartgwt.client.widgets.HTMLPane; |
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20 import com.smartgwt.client.widgets.Label; |
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21 import com.smartgwt.client.widgets.form.DynamicForm; |
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22 import com.smartgwt.client.widgets.form.fields.LinkItem; |
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23 import com.smartgwt.client.widgets.form.fields.events.ClickEvent; |
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24 import com.smartgwt.client.widgets.form.fields.events.ClickHandler; |
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25 import com.smartgwt.client.widgets.form.fields.events.ItemHoverEvent; |
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26 import com.smartgwt.client.widgets.form.fields.events.ItemHoverHandler; |
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27 import com.smartgwt.client.widgets.layout.HLayout; |
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28 import com.smartgwt.client.widgets.layout.VLayout; |
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29 |
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30 import org.dive4elements.river.client.client.FLYSConstants; |
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31 import org.dive4elements.river.client.client.event.StepForwardEvent; |
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32 import org.dive4elements.river.client.shared.model.Data; |
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33 import org.dive4elements.river.client.shared.model.DataItem; |
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34 import org.dive4elements.river.client.shared.model.DataList; |
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35 import org.dive4elements.river.client.shared.model.DefaultData; |
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36 import org.dive4elements.river.client.shared.model.DefaultDataItem; |
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37 |
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38 |
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39 /** |
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40 * This UIProvider displays the DataItems of the Data object in a list of links. |
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41 * |
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42 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a> |
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43 */ |
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44 public class LinkSelection |
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45 extends MapSelection |
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46 { |
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47 |
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48 private static final long serialVersionUID = -7138270638349711024L; |
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49 |
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50 /** The message class that provides i18n strings.*/ |
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51 protected FLYSConstants messages = GWT.create(FLYSConstants.class); |
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52 |
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53 /** The selected river*/ |
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54 protected Data river; |
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55 private static Map<String, LinkItem> rivers; |
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56 |
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57 private static Trigger trigger; |
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58 |
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59 private Canvas module; |
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60 |
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61 private class Trigger { |
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62 |
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63 private LinkSelection ls; |
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64 |
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65 public Trigger(LinkSelection ls) { |
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66 this.ls = ls; |
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67 // TODO Auto-generated constructor stub |
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68 } |
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69 |
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70 public void trigger(String name) { |
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71 DataItem item = new DefaultDataItem( |
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72 name, |
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73 null, |
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74 name); |
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75 |
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76 river = new DefaultData( |
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77 "river", |
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78 null, |
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79 null, |
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80 new DataItem [] {item}); |
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81 this.ls.fireStepForwardEvent (new StepForwardEvent (getData())); |
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82 } |
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83 } |
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84 |
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85 /** |
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86 * This method currently returns a |
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87 * {@link com.smartgwt.client.widgets.form.DynamicForm} that contains all |
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88 * data items in a list of links stored in <i>data</i>. |
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89 * |
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90 * @param data The {@link Data} object. |
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91 * |
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92 * @return a combobox. |
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93 */ |
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94 @Override |
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95 public Canvas create(DataList data) { |
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96 trigger = new Trigger(this); |
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97 createCallback(); |
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98 rivers = new HashMap<String, LinkItem>(); |
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99 |
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100 VLayout v = new VLayout(); |
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101 v.setMembersMargin(10); |
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102 v.setAlign(VerticalAlignment.TOP); |
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103 if (data.getState() == null) { |
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104 module = super.createWidget(data); |
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105 v.addMember(module); |
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106 } |
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107 else { |
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108 module = null; |
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109 } |
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110 Canvas content = createWidget(data); |
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111 v.addMember(content); |
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112 |
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113 return v; |
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114 } |
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115 |
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116 |
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117 @Override |
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118 public Canvas createOld(DataList dataList) { |
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119 HLayout layout = new HLayout(); |
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120 VLayout vLayout = new VLayout(); |
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121 layout.setWidth("400px"); |
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122 |
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123 Label label = new Label(dataList.getLabel()); |
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124 label.setWidth("200px"); |
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125 |
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126 int size = dataList.size(); |
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127 for (int i = 0; i < size; i++) { |
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128 Data data = dataList.get(i); |
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129 DataItem[] items = data.getItems(); |
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130 |
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131 for (DataItem item: items) { |
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132 HLayout hLayout = new HLayout(); |
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133 |
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134 hLayout.addMember(label); |
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135 hLayout.addMember(new Label(item.getLabel())); |
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136 |
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137 vLayout.addMember(hLayout); |
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138 vLayout.setWidth("130px"); |
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139 } |
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140 } |
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141 |
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142 Canvas back = getBackButton(dataList.getState()); |
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143 |
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144 layout.addMember(label); |
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145 layout.addMember(vLayout); |
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146 layout.addMember(back); |
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147 |
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148 return layout; |
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149 } |
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150 |
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151 |
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152 /** |
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153 * This method creates the content of the widget. |
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154 * |
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155 * @param data The {@link Data} object. |
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156 * |
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157 * @return a list of links |
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158 */ |
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159 @Override |
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160 protected Canvas createWidget(DataList data) { |
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161 GWT.log("LinkSelection - create()"); |
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162 |
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163 VLayout layout = new VLayout(); |
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164 layout.setAlign(VerticalAlignment.TOP); |
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165 layout.setHeight(25); |
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166 HLayout colums = new HLayout(); |
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167 VLayout formLayout1 = new VLayout(); |
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168 VLayout formLayout2 = new VLayout(); |
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169 |
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170 formLayout1.setLayoutLeftMargin(60); |
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171 |
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172 int size = data.size(); |
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173 |
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174 for (int i = 0; i < size; i++) { |
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175 Data d = data.get(i); |
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176 |
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177 Label label = new Label(d.getDescription()); |
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178 label.setValign(VerticalAlignment.TOP); |
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179 label.setHeight(20); |
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180 label.setWidth(400); |
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181 LinkedHashMap<String, String> it = new LinkedHashMap<String, String>(); |
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182 boolean defaultSet = false; |
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183 boolean first = true; |
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184 DataItem def = d.getDefault(); |
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185 String defValue = def != null ? def.getStringValue() : null; |
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186 |
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187 if (defValue != null && defValue.length() > 0) { |
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188 defaultSet = true; |
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189 } |
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190 |
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191 int counter = 0; |
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192 for (DataItem item: d.getItems()) { |
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193 LinkItem link = new LinkItem("river"); |
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194 link.setLinkTitle(item.getLabel()); |
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195 link.setTarget(item.getStringValue()); |
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196 link.setShowTitle(false); |
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197 DynamicForm f = new DynamicForm(); |
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198 rivers.put(item.getStringValue(), link); |
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199 |
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200 f.setItems(link); |
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201 if (counter < d.getItems().length/2) { |
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202 formLayout1.addMember(f); |
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203 } |
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204 else { |
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205 formLayout2.addMember(f); |
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206 } |
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207 counter++; |
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208 |
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209 link.addClickHandler(new ClickHandler() { |
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210 @Override |
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211 public void onClick(ClickEvent event) { |
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212 DataItem item = new DefaultDataItem( |
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213 ((LinkItem)event.getItem()).getLinkTitle(), |
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214 null, |
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215 ((LinkItem)event.getItem()).getLinkTitle()); |
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216 |
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217 river = new DefaultData( |
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218 "river", |
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219 null, |
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220 null, |
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221 new DataItem [] {item}); |
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222 fireStepForwardEvent (new StepForwardEvent (getData())); |
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223 } |
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224 }); |
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225 link.addItemHoverHandler(new ItemHoverHandler() { |
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226 @Override |
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227 public void onItemHover(ItemHoverEvent event) { |
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228 String river = ((LinkItem)event.getItem()).getLinkTitle(); |
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229 for (String s : rivers.keySet()) { |
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230 LinkItem item = rivers.get(s); |
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231 if (item.getLinkTitle().equals(river)) { |
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232 item.setCellStyle("riverLinkHighlight"); |
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233 } |
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234 else { |
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235 item.setCellStyle("formCell"); |
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236 callUnHighlightRiver(s); |
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237 } |
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238 } |
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239 callHighlightRiver(river); |
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240 } |
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241 }); |
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242 } |
282
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243 |
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244 if (module != null) { |
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245 getModuleSelection().setRivers(rivers); |
282
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246 } |
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247 label.setWidth(50); |
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248 |
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249 layout.addMember(label); |
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250 colums.addMember(formLayout1); |
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251 colums.addMember(formLayout2); |
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252 layout.addMember(colums); |
282
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253 |
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254 } |
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255 layout.addMember(getNextButton()); |
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256 HTMLPane map = new HTMLPane(); |
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257 map.setContentsURL("images/FLYS_Karte_interactive.html"); |
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258 |
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259 helperContainer.addMember(map); |
282
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260 return layout; |
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261 } |
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262 |
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263 |
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264 @Override |
282
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265 protected Data[] getData() { |
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266 Data[] module = super.getData(); |
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267 if (module != null) { |
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268 return new Data[] {module[0], river}; |
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269 } |
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270 else { |
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271 return new Data[] {river}; |
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272 } |
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273 } |
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274 |
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275 private native void createCallback() /*-{ |
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276 $wnd.highlightRiver = @org.dive4elements.river.client.client.ui.LinkSelection::highlightCallback(Ljava/lang/String;); |
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277 $wnd.selectRiver = @org.dive4elements.river.client.client.ui.LinkSelection::selectCallback(Ljava/lang/String;); |
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278 $wnd.availableRiver = @org.dive4elements.river.client.client.ui.LinkSelection::availableRiver(Ljava/lang/String;); |
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279 }-*/; |
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280 |
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281 private static void highlightCallback(String name) { |
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282 for (String s : rivers.keySet()) { |
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283 if (s.equals(name)) { |
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284 LinkItem item = rivers.get(name); |
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285 item.setCellStyle("riverLinkHighlight"); |
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286 item.redraw(); |
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287 } |
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288 else { |
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289 LinkItem item = rivers.get(s); |
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290 item.setCellStyle("formCell"); |
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291 item.redraw(); |
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292 } |
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293 } |
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294 } |
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295 |
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296 private static boolean availableRiver(String river) { |
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297 if (rivers.containsKey(river)) { |
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298 if(rivers.get(river).isVisible()) { |
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299 return true; |
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300 } |
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301 } |
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302 return false; |
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303 } |
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304 |
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305 private static void selectCallback(String name) { |
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306 if (rivers.containsKey(name)) { |
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307 if (rivers.get(name).isVisible()) { |
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308 trigger.trigger(name); |
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309 } |
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310 } |
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311 } |
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312 |
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313 private native void callHighlightRiver(String name) /*-{ |
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314 $wnd.highlight(name); |
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315 }-*/; |
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316 |
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317 private native void callUnHighlightRiver(String name) /*-{ |
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318 $wnd.unHighlight(name); |
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319 }-*/; |
282
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320 } |
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321 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |