Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/CollectionView.java @ 51:a2923d63f530

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Introduced a data structure DataList to manage to list of Data objects of a single state. flys-client/trunk@1505 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Thu, 17 Mar 2011 16:44:51 +0000
parents d573ae975330
children 0db278371632
rev   line source
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1 package de.intevation.flys.client.client.ui;
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3 import java.util.ArrayList;
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4 import java.util.List;
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6 import com.google.gwt.core.client.GWT;
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7 import com.google.gwt.i18n.client.DateTimeFormat;
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8 import com.google.gwt.user.client.rpc.AsyncCallback;
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10 import com.smartgwt.client.widgets.Canvas;
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11 import com.smartgwt.client.widgets.Window;
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12 import com.smartgwt.client.widgets.layout.Layout;
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13 import com.smartgwt.client.widgets.layout.VLayout;
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14 import com.smartgwt.client.widgets.tab.Tab;
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15 import com.smartgwt.client.widgets.tab.TabSet;
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17 import de.intevation.flys.client.shared.model.Artifact;
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18 import de.intevation.flys.client.shared.model.ArtifactDescription;
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19 import de.intevation.flys.client.shared.model.Collection;
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20 import de.intevation.flys.client.shared.model.Data;
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21 import de.intevation.flys.client.shared.model.DataItem;
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22 import de.intevation.flys.client.shared.model.DataList;
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23 import de.intevation.flys.client.shared.model.DefaultData;
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24 import de.intevation.flys.client.shared.model.DefaultDataItem;
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25 import de.intevation.flys.client.shared.model.River;
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27 import de.intevation.flys.client.client.Config;
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28 import de.intevation.flys.client.client.FLYS;
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29 import de.intevation.flys.client.client.FLYSMessages;
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30 import de.intevation.flys.client.client.event.HasCollectionChangeHandlers;
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31 import de.intevation.flys.client.client.event.HasParameterChangeHandler;
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32 import de.intevation.flys.client.client.event.HasStepForwardHandlers;
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33 import de.intevation.flys.client.client.event.CollectionChangeEvent;
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34 import de.intevation.flys.client.client.event.CollectionChangeHandler;
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35 import de.intevation.flys.client.client.event.ParameterChangeEvent;
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36 import de.intevation.flys.client.client.event.ParameterChangeHandler;
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37 import de.intevation.flys.client.client.event.StepForwardEvent;
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38 import de.intevation.flys.client.client.event.StepForwardHandler;
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39 import de.intevation.flys.client.client.services.ArtifactService;
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40 import de.intevation.flys.client.client.services.ArtifactServiceAsync;
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41 import de.intevation.flys.client.client.services.StepForwardService;
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42 import de.intevation.flys.client.client.services.StepForwardServiceAsync;
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43 import de.intevation.flys.client.client.services.CreateCollectionService;
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44 import de.intevation.flys.client.client.services.CreateCollectionServiceAsync;
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45 import de.intevation.flys.client.client.ui.ModuleSelection;
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48 /**
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49 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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50 */
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51 public class CollectionView
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52 extends Window
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53 implements CollectionChangeHandler, HasCollectionChangeHandlers,
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54 HasParameterChangeHandler, ParameterChangeHandler,
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55 StepForwardHandler
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56 {
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57 /** The ArtifactService used to communicate with the Artifact server. */
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58 protected ArtifactServiceAsync artifactService =
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59 GWT.create(ArtifactService.class);
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61 /** The StepForwardService used to put data into an existing artifact. */
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62 protected StepForwardServiceAsync forwardService =
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63 GWT.create(StepForwardService.class);
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64
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65 /** The ArtifactService used to communicate with the Artifact server. */
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66 protected CreateCollectionServiceAsync createCollectionService =
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67 GWT.create(CreateCollectionService.class);
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69 /** The message class that provides i18n strings.*/
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70 FLYSMessages messages = GWT.create(FLYSMessages.class);
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72 /** The FLYS instance used to call services.*/
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73 protected FLYS flys;
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75 /** The ParameterList.*/
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76 protected ParameterList parameterList;
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78 /** The list of ValueChangeHandlers.*/
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79 protected List<CollectionChangeHandler> handlers;
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81 /** The list of ParameterizationChangeHandler.*/
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82 protected List<ParameterChangeHandler> parameterHandlers;
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84 /** The collection to be displayed.*/
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85 protected Collection collection;
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86
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87 /** The artifact that handles the parameterization.*/
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88 protected Artifact artifact;
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90 protected TabSet tabs;
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91
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92 /** The parameter tab.*/
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93 protected Tab parameterTab;
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94
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95 /** The output tab.*/
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96 protected Tab outputTab;
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98 /** The layout.*/
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99 protected Layout layout;
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102 /**
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103 * This constructor creates a new CollectionView that is used to display the
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104 * <i>collection</i>.
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105 *
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106 * @param collection The collection to be displayed.
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107 */
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108 public CollectionView(FLYS flys, Collection collection) {
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109 this.flys = flys;
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110 this.collection = collection;
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111
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112 this.tabs = new TabSet();
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113 this.parameterTab = new Tab(messages.winfo());
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114 this.parameterList = new ParameterList();
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115 this.handlers = new ArrayList<CollectionChangeHandler>();
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116 this.parameterHandlers = new ArrayList<ParameterChangeHandler>();
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117 this.layout = new VLayout();
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118
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119 addCollectionChangeHandler(this);
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120 addParameterChangeHandler(this);
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121
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122 init();
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123 }
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124
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125
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126 /**
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127 * This method handles the initial layout stuff.
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128 */
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129 protected void init() {
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130 setWidth(700);
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131 setHeight(600);
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132
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133 layout.setWidth100();
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134
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135 setCanDragResize(true);
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136
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137 DateTimeFormat dtf = DateTimeFormat.getFormat(messages.date_format());
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138 String lastAccess = dtf.format(collection.getLastAccess());
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139 setTitle(lastAccess + " - " + collection.getName());
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140
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141 addItem(layout);
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142
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143 layout.addMember(tabs);
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144 tabs.addTab(parameterTab);
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145
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146 if (isNew()) {
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147 tabs.setTabTitle(0, messages.new_calculation());
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148 tabs.updateTab(0, renderNew());
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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 /**
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154 * This method triggers the CreateCollectionService to create a new
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155 * collection in the artifact server.
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156 *
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157 * @param ownerId The uuid of the user that should own the new collection.
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158 */
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159 protected void createNewCollection(String ownerId) {
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160 Config config = Config.getInstance();
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161 String serverUrl = config.getServerUrl();
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162
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163 createCollectionService.create(
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164 serverUrl, ownerId,
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165 new AsyncCallback<String>() {
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166 public void onFailure(Throwable caught) {
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167 GWT.log("Could not create the new collection.");
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168 GWT.log(caught.getMessage());
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169 }
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170
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171 public void onSuccess(String uuid) {
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172 GWT.log("Successfully created a new collection.");
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173 GWT.log("NEW collection uuid: " + uuid);
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174 }
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175 });
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176 }
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177
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178
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179 protected FLYS getFlys() {
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180 return flys;
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181 }
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182
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183
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184
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185 /**
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186 * This method registers a new ValueChangeHandler.
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187 *
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188 * @param handler The new ValueChangeHandler.
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189 */
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190 public void addCollectionChangeHandler(CollectionChangeHandler handler) {
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191 if (handler != null) {
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192 handlers.add(handler);
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193 }
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194 }
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195
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196
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197 /**
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198 * This method registers a new ParameterChangeHandler.
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199 *
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200 * @param handler The new ParameterChangeHandler.
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201 */
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202 public void addParameterChangeHandler(ParameterChangeHandler handler) {
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203 if (handler != null) {
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204 parameterHandlers.add(handler);
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205 }
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206 }
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207
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208
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209 /**
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210 * This method calls the <code>onValueChange()</code> method of all
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211 * registered ValueChangeHanders.
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212 */
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213 protected void fireCollectionChangeEvent(
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214 Collection old, Collection newCol)
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215 {
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216 for (CollectionChangeHandler handler: handlers) {
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217 handler.onCollectionChange(new CollectionChangeEvent(old, newCol));
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218 }
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219 }
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220
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221
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222 /**
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223 * This method calls the <code>onParameterChange()</code> method of all
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224 * registered ParameterChangeHandler.
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225 */
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226 protected void fireParameterChangeEvent(Artifact old, Artifact newArt) {
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227 for (ParameterChangeHandler handler: parameterHandlers) {
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228 handler.onParameterChange(new ParameterChangeEvent(old, newArt));
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229 }
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230 }
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231
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232
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233 /**
7
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234 * This method returns true, if the Collection is new and no plugins has
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235 * been chosen.
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236 *
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237 * @return true, if the Collection is new.
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238 */
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239 public boolean isNew() {
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240 return collection.getArtifactLength() == 0 ? true : false;
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241 }
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242
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243
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244 /**
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245 * This method creates a Canvas displaying the plugins of FLYS combined with
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246 * a widget to select a river.
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247 *
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248 * @return a Canvas that displays the supported plugins and rivers of FLYS.
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249 */
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250 protected Canvas renderNew() {
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251 River[] rivers = flys.getRivers();
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252 DataItem[] items = new DataItem[rivers.length];
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253
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254 int i = 0;
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255 for (River river: rivers) {
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256 String name = river.getName();
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257 items[i++] = new DefaultDataItem(name, null, name);
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258 }
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259
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260 Data data = new DefaultData(
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261 "river",
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262 messages.river_selection(),
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263 null,
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264 items);
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265
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266 ModuleSelection widget = new ModuleSelection();
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267 HasStepForwardHandlers handler = (HasStepForwardHandlers) widget;
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268
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269 handler.addStepForwardHandler(new StepForwardHandler() {
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270 public void onStepForward(StepForwardEvent event) {
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271 Data[] data = event.getData();
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272
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273 DataItem[] moduleItems = data[0].getItems();
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274 DataItem[] riversItems = data[1].getItems();
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275
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276 String module = moduleItems[0].getStringValue();
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277 String river = riversItems[0].getStringValue();
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278
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279 final String serverUrl = Config.getInstance().getServerUrl();
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280 final Data[] feedData = new Data[] { data[1] };
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281 artifactService.create(
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282 serverUrl, module.toLowerCase(),
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283 new AsyncCallback<Artifact>() {
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284 public void onFailure(Throwable caught) {
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285 GWT.log("Could not create the new artifact.");
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286 GWT.log(caught.getMessage());
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287 }
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288
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289 public void onSuccess(Artifact artifact) {
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290 GWT.log("Successfully created a new artifact.");
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291
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292 forwardService.go(serverUrl, artifact, feedData,
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293 new AsyncCallback<Artifact>() {
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294 public void onFailure(Throwable caught) {
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295 GWT.log("Could not feed the artifact.");
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296 GWT.log(caught.getMessage());
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297 }
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298
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299 public void onSuccess(Artifact artifact) {
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300 GWT.log("Successfully feed the artifact.");
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301 setArtifact(artifact);
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302 }
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303 });
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304 }
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305 });
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306 }
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307 });
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308
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309 DataList list = new DataList();
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310 list.add(data);
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311
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312 return widget.create(list);
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313 }
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314
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315
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316 /**
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317 * Set the current artifact that is the master of the parameterization.
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318 *
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319 * @param artifact The new artifact.
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320 */
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321 protected void setArtifact(Artifact artifact) {
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322 Artifact tmp = this.artifact;
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323 this.artifact = artifact;
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324
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325 fireParameterChangeEvent(tmp, this.artifact);
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326 }
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327
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328
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329 /**
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330 * Implements the onCollectionChange() method to do update the GUI after the
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331 * parameterization has changed.
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332 *
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333 * @param event The ParameterChangeEvent.
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334 */
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335 public void onParameterChange(ParameterChangeEvent event) {
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336
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337 updateView();
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338 }
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339
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340
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341 /**
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342 * Set the current collection.
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343 *
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344 * @param collection The new collection.
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345 */
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346 protected void setCollection(Collection collection) {
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347 Collection tmp = this.collection;
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348 this.collection = collection;
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349
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350 fireCollectionChangeEvent(tmp, this.collection);
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351 }
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352
f48b2cb2e219 The CollectionView implements the HasCollectionChangeHandlers interface now.
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353
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354 public void onCollectionChange(CollectionChangeEvent event) {
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355 updateView();
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356 }
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357
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358
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359 /**
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360 * This method is called if the user clicks on the 'next' button to advance
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361 * to the next state.
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362 *
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363 * @param event The StepForwardEvent.
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364 */
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365 public void onStepForward(StepForwardEvent event) {
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366 GWT.log("CollectionView - onStepForward()");
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367 String serverUrl = Config.getInstance().getServerUrl();
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368
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369 forwardService.go(serverUrl, artifact, event.getData(),
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370 new AsyncCallback<Artifact>() {
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371 public void onFailure(Throwable caught) {
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372 GWT.log("Could not feed the artifact.");
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373 GWT.log(caught.getMessage());
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374 }
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375
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376 public void onSuccess(Artifact artifact) {
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377 GWT.log("Successfully feed the artifact.");
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378 setArtifact(artifact);
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379 }
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380 });
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381 }
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382
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383
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384 /**
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385 * Update the view (refresh the list of old and current data).
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386 */
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387 protected void updateView() {
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388 GWT.log("CollectionView.updateView()");
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389 ArtifactDescription desc = artifact.getArtifactDescription();
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390
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a2923d63f530 Introduced a data structure DataList to manage to list of Data objects of a single state.
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391 DataList currentData = desc.getCurrentData();
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392 if (currentData != null) {
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393 String uiProvider = currentData.getUIProvider();
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394 UIProvider provider = UIProviderFactory.getProvider(uiProvider);
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395
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396 HasStepForwardHandlers handler = (HasStepForwardHandlers) provider;
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397 handler.addStepForwardHandler(this);
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398
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399 parameterList.setCurrentData(currentData, provider);
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400 }
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401
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402 parameterList.addOldDatas(desc.getOldData());
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403
dc086030e6a3 The CollectionView is able to create new instances of a WINFO artifact and to display the artifact's state.
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404 tabs.setTabTitle(0, messages.winfo());
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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405 tabs.updateTab(0, parameterList);
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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406 }
6
e2b3966b40ca Added a workspace that handles the collection windows. New button to open a new collection.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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407 }
e2b3966b40ca Added a workspace that handles the collection windows. New button to open a new collection.
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408 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org