annotate flys-client/src/main/java/de/intevation/flys/client/client/FLYS.java @ 217:907b61e4d702

Improved the exception handling - added warnings for user authentication errors and errors that occur while fetching supported rivers. flys-client/trunk@1659 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Fri, 08 Apr 2011 10:05:14 +0000
parents f7967d12ce6e
children 9040663aee01
rev   line source
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1 package de.intevation.flys.client.client;
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3 import com.google.gwt.core.client.EntryPoint;
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4 import com.google.gwt.core.client.GWT;
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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.RootPanel;
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7 import com.google.gwt.xml.client.XMLParser;
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9 import com.smartgwt.client.util.SC;
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10 import com.smartgwt.client.widgets.layout.VLayout;
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11 import com.smartgwt.client.widgets.layout.HLayout;
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13 import de.intevation.flys.client.shared.model.Artifact;
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14 import de.intevation.flys.client.shared.model.River;
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15 import de.intevation.flys.client.shared.model.User;
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17 import de.intevation.flys.client.client.services.ArtifactService;
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18 import de.intevation.flys.client.client.services.ArtifactServiceAsync;
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19 import de.intevation.flys.client.client.services.RiverService;
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20 import de.intevation.flys.client.client.services.RiverServiceAsync;
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21 import de.intevation.flys.client.client.services.UserService;
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22 import de.intevation.flys.client.client.services.UserServiceAsync;
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23 import de.intevation.flys.client.client.ui.CollectionView;
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24 import de.intevation.flys.client.client.ui.FLYSHeader;
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25 import de.intevation.flys.client.client.ui.FLYSView;
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26 import de.intevation.flys.client.client.ui.FLYSWorkspace;
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27 import de.intevation.flys.client.client.ui.MainMenu;
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28 import de.intevation.flys.client.client.ui.ProjectList;
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29 import de.intevation.flys.client.client.ui.FLYSFooter;
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31
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32 /**
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33 * Entry point classes define <code>onModuleLoad()</code>.
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34 *
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35 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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36 */
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37 public class FLYS implements EntryPoint {
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39 /** The message class that provides i18n strings.*/
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40 protected FLYSConstants MSG = GWT.create(FLYSConstants.class);
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41
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42 /** The UserService used to retrieve information about the current user. */
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43 protected UserServiceAsync userService = GWT.create(UserService.class);
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45 /** The RiverService used to retrieve the supported rivers of the server.*/
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46 protected RiverServiceAsync riverService = GWT.create(RiverService.class);
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47
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48 /** The ArtifactService used to communicate with the Artifact server. */
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49 protected ArtifactServiceAsync artifactService =
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50 GWT.create(ArtifactService.class);
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51
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52 /** The menu bar at the top of the application.*/
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53 protected MainMenu menu;
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54
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55 /** The content window. It takes the whole space beneath the menu bar.*/
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56 protected FLYSView view;
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57
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58 /** The project list that displays the projects of the user.*/
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59 protected ProjectList projectList;
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60
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61 /** The FLYSWorkspace.*/
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62 protected FLYSWorkspace workspace;
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63
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64 /** The footer. */
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65 protected FLYSFooter footer;
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67 /** The user who is currently logged in.*/
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68 protected User currentUser;
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70 /** The list of rivers supported by the server.*/
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71 protected River[] rivers;
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74 /**
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75 * This is the entry point method.
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76 */
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77 public void onModuleLoad() {
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79 VLayout vertical = new VLayout();
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80 vertical.setLayoutMargin(1);
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81 vertical.setWidth100();
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82 vertical.setHeight100();
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84 HLayout spacerBar = new HLayout();
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85 spacerBar.setWidth("100%");
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86 spacerBar.setHeight("20px");
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87 spacerBar.setStyleName("bgBlueLight");
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88
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89 menu = new MainMenu(this);
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90 view = new FLYSView();
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91 footer = new FLYSFooter(this);
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93 vertical.addMember(new FLYSHeader());
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94 vertical.addMember(menu);
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95 vertical.addMember(spacerBar);
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96 vertical.addMember(view);
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97 vertical.addMember(footer);
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99 RootPanel.get("app").add(vertical);
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101 initConfiguration();
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102 String serverUrl = Config.getInstance().getServerUrl();
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103
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104 getRivers();
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106 userService.getCurrentUser(serverUrl, new AsyncCallback<User>() {
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107 public void onFailure(Throwable caught) {
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108 GWT.log("Could not find a logged in user.");
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109 SC.warn(MSG.getString(caught.getMessage()));
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110 }
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111
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112 public void onSuccess(User user) {
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113 GWT.log("Found a user. Set '"+ user.getName() + "'");
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114 setCurrentUser(user);
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115
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116 menu.setCurrentUser(user);
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117
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118 projectList = new ProjectList(user);
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119 workspace = new FLYSWorkspace();
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120 view.setProjectList(projectList);
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121 view.setFLYSWorkspace(workspace);
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122
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123 readRivers();
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124 }
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125 });
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126 }
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127
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128
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129 /**
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130 * This method should be called at system start. It initialzes the client
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131 * configuration.
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132 */
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133 protected void initConfiguration() {
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134 String xml = FLYSResources.INSTANCE.initialConfiguration().getText();
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135 Config.getInstance(XMLParser.parse(xml));
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136 }
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137
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138
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139 /**
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140 * Returns the user that is currently logged in.
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141 *
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142 * @return the current user.
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143 */
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144 public User getCurrentUser() {
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145 return currentUser;
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146 }
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147
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148
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149 /**
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150 * Sets the current user.
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151 */
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152 public void setCurrentUser(User user) {
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153 currentUser = user;
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154 }
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155
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156
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157 /**
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158 * Returns the project list.
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159 */
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160 public ProjectList getProjectList() {
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161 return projectList;
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162 }
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163
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164
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165 /**
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166 * Returns a list of rivers supported by the artifact server.
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167 *
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168 * @return a list of rivers supported by the artifact server.
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169 */
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170 public River[] getRivers() {
217
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171 return rivers;
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172 }
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173
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174
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175 protected void readRivers() {
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176 String url = Config.getInstance().getServerUrl();
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177 GWT.log("Fetch rivers from server '" + url + "'");
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178
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179 riverService.list(url, new AsyncCallback<River[]>() {
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180 public void onFailure(Throwable caught) {
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181 GWT.log("Could not recieve a list of rivers.");
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182 SC.warn(MSG.getString(caught.getMessage()));
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183 }
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184
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185 public void onSuccess(River[] newRivers) {
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186 GWT.log("Retrieved " + newRivers.length + " new rivers.");
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187 rivers = newRivers;
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188 }
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189 });
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190 }
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191
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192
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193 /**
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194 * This method creates a new CollectionView and adds it to the workspace.
217
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195 * <b>NOTE</b>The user needs to be logged in and there need to at least one
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196 * river - otherwise a warning is displayed and no CollectionView is
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197 * created.
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198 */
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199 public void newProject() {
217
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200 if (getCurrentUser() == null) {
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201 SC.warn(MSG.error_not_logged_in());
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202 return;
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203 }
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204
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205 if (getRivers() == null) {
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206 SC.warn(MSG.error_no_rivers_found());
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207 readRivers();
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208
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209 return;
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210 }
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211
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212 CollectionView view = new CollectionView(this);
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213 workspace.addView(view);
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214
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215 view.addCollectionChangeHandler(getProjectList());
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216 }
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217
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218
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219 /**
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220 * Create a new Artifact.
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221 */
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222 public void newArtifact(String factory) {
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223 String url = Config.getInstance().getServerUrl();
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224
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225 artifactService.create(url, factory, new AsyncCallback<Artifact>() {
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226 public void onFailure(Throwable caught) {
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227 GWT.log("Could not create the new artifact.");
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228 GWT.log(caught.getMessage());
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229 }
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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230
8facd8545a12 Added a global configuration for the client and classes providing methods to retrieve these information.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 6
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231 public void onSuccess(Artifact artifact) {
8facd8545a12 Added a global configuration for the client and classes providing methods to retrieve these information.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 6
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232 GWT.log("Successfully created a new artifact.");
8facd8545a12 Added a global configuration for the client and classes providing methods to retrieve these information.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 6
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233 }
8facd8545a12 Added a global configuration for the client and classes providing methods to retrieve these information.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 6
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234 });
6
e2b3966b40ca Added a workspace that handles the collection windows. New button to open a new collection.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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235 }
0
4e8be5e7855f Start of a GWT based client for FLYS-3.0
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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236 }
1
0e22a19852e7 Removed useless auto generated classes and added first ui elements with i18n support.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 0
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237 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :

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