Mercurial > dive4elements > river
annotate gwt-client/src/main/java/org/dive4elements/river/client/client/ui/LinkSelection.java @ 6019:078677c684af
Commit performance improvement written by Sascha Teichmann
author | Andre Heinecke <aheinecke@intevation.de> |
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date | Tue, 14 May 2013 18:41:43 +0200 |
parents | ea9eef426962 |
children | 0eab06d5144f |
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 private static HLayout columns; |
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57 |
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58 private static Trigger trigger; |
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59 |
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60 private Canvas module; |
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61 |
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62 |
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63 private class Trigger { |
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64 |
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65 private LinkSelection ls; |
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66 |
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67 public Trigger(LinkSelection ls) { |
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68 this.ls = ls; |
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69 } |
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70 |
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71 public void trigger(String name) { |
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72 DataItem item = new DefaultDataItem( |
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73 name, |
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74 null, |
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75 name); |
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76 |
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77 river = new DefaultData( |
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78 "river", |
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79 null, |
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80 null, |
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81 new DataItem [] {item}); |
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82 this.ls.fireStepForwardEvent (new StepForwardEvent (getData())); |
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83 } |
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84 } |
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85 |
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86 /** |
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87 * This method currently returns a |
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88 * {@link com.smartgwt.client.widgets.form.DynamicForm} that contains all |
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89 * data items in a list of links stored in <i>data</i>. |
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90 * |
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91 * @param data The {@link Data} object. |
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92 * |
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93 * @return a combobox. |
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94 */ |
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95 @Override |
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96 public Canvas create(DataList data) { |
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97 trigger = new Trigger(this); |
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98 createCallback(); |
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99 rivers = new HashMap<String, LinkItem>(); |
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100 |
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101 VLayout v = new VLayout(); |
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102 v.setMembersMargin(10); |
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103 v.setAlign(VerticalAlignment.TOP); |
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104 if (data.getState() == null) { |
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105 module = super.createWidget(data); |
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106 v.addMember(module); |
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107 } |
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108 else { |
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109 module = null; |
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110 } |
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111 Canvas content = createWidget(data); |
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112 v.addMember(content); |
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113 |
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114 return v; |
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115 } |
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116 |
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117 |
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118 @Override |
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119 public Canvas createOld(DataList dataList) { |
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120 HLayout layout = new HLayout(); |
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121 VLayout vLayout = new VLayout(); |
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122 layout.setWidth("400px"); |
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123 |
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124 Label label = new Label(dataList.getLabel()); |
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125 label.setWidth("200px"); |
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126 |
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127 int size = dataList.size(); |
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128 for (int i = 0; i < size; i++) { |
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129 Data data = dataList.get(i); |
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130 DataItem[] items = data.getItems(); |
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131 |
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132 for (DataItem item: items) { |
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133 HLayout hLayout = new HLayout(); |
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134 |
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135 hLayout.addMember(label); |
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136 hLayout.addMember(new Label(item.getLabel())); |
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137 |
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138 vLayout.addMember(hLayout); |
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139 vLayout.setWidth("130px"); |
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140 } |
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141 } |
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142 |
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143 Canvas back = getBackButton(dataList.getState()); |
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144 |
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145 layout.addMember(label); |
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146 layout.addMember(vLayout); |
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147 layout.addMember(back); |
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148 |
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149 return layout; |
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150 } |
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151 |
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152 |
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153 /** |
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154 * This method creates the content of the widget. |
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155 * |
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156 * @param data The {@link Data} object. |
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157 * |
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158 * @return a list of links |
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159 */ |
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160 @Override |
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161 protected Canvas createWidget(DataList data) { |
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162 GWT.log("LinkSelection - create()"); |
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163 |
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164 VLayout layout = new VLayout(); |
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165 layout.setAlign(VerticalAlignment.TOP); |
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166 // XXX: This an evil hack because of misuse of static vars! |
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167 layout.setHeight(25); |
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168 columns = new HLayout(); |
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169 VLayout formLayout1 = new VLayout(); |
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170 VLayout formLayout2 = new VLayout(); |
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171 |
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172 formLayout1.setLayoutLeftMargin(60); |
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173 |
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174 int size = data.size(); |
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175 |
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176 for (int i = 0; i < size; i++) { |
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177 Data d = data.get(i); |
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178 |
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179 Label label = new Label(d.getDescription()); |
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180 label.setValign(VerticalAlignment.TOP); |
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181 label.setHeight(20); |
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182 label.setWidth(400); |
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183 |
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184 int counter = 0; |
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185 for (DataItem item: d.getItems()) { |
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186 LinkItem link = new LinkItem("river"); |
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187 link.setLinkTitle(item.getLabel()); |
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188 link.setTarget(item.getStringValue()); |
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189 link.setShowTitle(false); |
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190 DynamicForm f = new DynamicForm(); |
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191 rivers.put(item.getStringValue(), link); |
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192 |
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193 f.setItems(link); |
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194 if (counter < d.getItems().length/2) { |
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195 formLayout1.addMember(f); |
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196 } |
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197 else { |
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198 formLayout2.addMember(f); |
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199 } |
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200 counter++; |
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201 |
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202 link.addClickHandler(new ClickHandler() { |
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203 @Override |
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204 public void onClick(ClickEvent event) { |
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205 DataItem item = new DefaultDataItem( |
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206 ((LinkItem)event.getItem()).getLinkTitle(), |
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207 null, |
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208 ((LinkItem)event.getItem()).getLinkTitle()); |
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209 |
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210 river = new DefaultData( |
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211 "river", |
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212 null, |
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213 null, |
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214 new DataItem [] {item}); |
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215 fireStepForwardEvent (new StepForwardEvent (getData())); |
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216 } |
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217 }); |
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218 link.addItemHoverHandler(new ItemHoverHandler() { |
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219 @Override |
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220 public void onItemHover(ItemHoverEvent event) { |
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221 String river = ((LinkItem)event.getItem()).getLinkTitle(); |
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222 for (Map.Entry<String, LinkItem> entry: rivers.entrySet()) { |
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223 String s = entry.getKey(); |
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224 LinkItem item = entry.getValue(); |
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225 if (item.getLinkTitle().equals(river)) { |
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226 item.setCellStyle("riverLinkHighlight"); |
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227 callHighlightRiver(river); |
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228 } |
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229 else { |
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230 item.setCellStyle("formCell"); |
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231 callUnHighlightRiver(s); |
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232 } |
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233 } |
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234 if (columns != null) { |
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235 columns.redraw(); |
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236 } |
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237 } |
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238 }); |
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239 } |
282
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240 |
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241 if (module != null) { |
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242 getModuleSelection().setRivers(rivers); |
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243 } |
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244 label.setWidth(50); |
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245 |
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246 layout.addMember(label); |
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247 columns.addMember(formLayout1); |
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248 columns.addMember(formLayout2); |
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249 layout.addMember(columns); |
282
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250 |
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251 } |
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252 layout.addMember(getNextButton()); |
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253 HTMLPane map = new HTMLPane(); |
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254 map.setContentsURL("images/FLYS_Karte_interactive.html"); |
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255 |
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256 helperContainer.addMember(map); |
282
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257 return layout; |
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258 } |
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259 |
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260 |
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261 @Override |
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262 protected Data[] getData() { |
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263 Data[] module = super.getData(); |
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264 if (module != null) { |
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265 return new Data[] {module[0], river}; |
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266 } |
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267 else { |
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268 return new Data[] {river}; |
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269 } |
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270 } |
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271 |
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272 private native void createCallback() /*-{ |
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273 $wnd.highlightRiver = @org.dive4elements.river.client.client.ui.LinkSelection::highlightCallback(Ljava/lang/String;); |
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274 $wnd.selectRiver = @org.dive4elements.river.client.client.ui.LinkSelection::selectCallback(Ljava/lang/String;); |
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275 $wnd.availableRiver = @org.dive4elements.river.client.client.ui.LinkSelection::availableRiver(Ljava/lang/String;); |
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276 }-*/; |
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277 |
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278 private static void highlightCallback(String name) { |
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279 for (Map.Entry<String, LinkItem> entry: rivers.entrySet()) { |
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280 String s = entry.getKey(); |
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281 LinkItem item = entry.getValue(); |
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282 item.setCellStyle(s.equals(name) ? "riverLinkHighlight" : "formCell"); |
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283 } |
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284 if (columns != null) { |
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285 columns.redraw(); |
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286 } |
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287 } |
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288 |
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289 private static boolean availableRiver(String river) { |
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290 LinkItem ri = rivers.get(river); |
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291 return ri != null && ri.isVisible(); |
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292 } |
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293 |
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294 private static void selectCallback(String name) { |
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295 if (availableRiver(name)) { |
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296 trigger.trigger(name); |
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297 } |
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298 } |
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299 |
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300 private native void callHighlightRiver(String name) /*-{ |
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301 $wnd.highlight(name); |
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302 }-*/; |
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303 |
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304 private native void callUnHighlightRiver(String name) /*-{ |
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305 $wnd.unHighlight(name); |
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306 }-*/; |
282
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307 } |
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308 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |