Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/client/FLYS.java @ 3501:0de0ef04bcdc

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Delete empty project after closing CollectionView (#785). flys-client/trunk@5234 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Christian Lins <christian.lins@intevation.de>
date Wed, 22 Aug 2012 12:29:33 +0000
parents 6b5920c7ea6e
children 6a8f83c538e3
rev   line source
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1 package de.intevation.flys.client.client;
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2
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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.event.shared.UmbrellaException;
2
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6 import com.google.gwt.user.client.rpc.AsyncCallback;
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7 import com.google.gwt.xml.client.XMLParser;
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8 import com.smartgwt.client.util.SC;
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9 import com.smartgwt.client.widgets.HTMLPane;
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10 import com.smartgwt.client.widgets.Window;
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11 import com.smartgwt.client.widgets.events.CloseClickEvent;
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12 import com.smartgwt.client.widgets.events.CloseClickHandler;
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13 import com.smartgwt.client.widgets.layout.HLayout;
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14 import com.smartgwt.client.widgets.layout.VLayout;
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15
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16 import de.intevation.flys.client.client.event.CollectionChangeEvent;
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17 import de.intevation.flys.client.client.event.CollectionChangeHandler;
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18 import de.intevation.flys.client.client.services.ArtifactService;
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19 import de.intevation.flys.client.client.services.ArtifactServiceAsync;
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20 import de.intevation.flys.client.client.services.DescribeCollectionService;
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21 import de.intevation.flys.client.client.services.DescribeCollectionServiceAsync;
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22 import de.intevation.flys.client.client.services.GetArtifactService;
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23 import de.intevation.flys.client.client.services.GetArtifactServiceAsync;
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24 import de.intevation.flys.client.client.services.RiverService;
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25 import de.intevation.flys.client.client.services.RiverServiceAsync;
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26 import de.intevation.flys.client.client.services.UserService;
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27 import de.intevation.flys.client.client.services.UserServiceAsync;
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28 import de.intevation.flys.client.client.ui.CollectionView;
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29 import de.intevation.flys.client.client.ui.FLYSFooter;
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30 import de.intevation.flys.client.client.ui.FLYSHeader;
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31 import de.intevation.flys.client.client.ui.FLYSView;
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32 import de.intevation.flys.client.client.ui.FLYSWorkspace;
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33 import de.intevation.flys.client.client.ui.MainMenu;
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34 import de.intevation.flys.client.client.ui.ProjectList;
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35 import de.intevation.flys.client.shared.model.Artifact;
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36 import de.intevation.flys.client.shared.model.Collection;
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37 import de.intevation.flys.client.shared.model.CollectionItem;
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38 import de.intevation.flys.client.shared.model.River;
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39 import de.intevation.flys.client.shared.model.User;
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40
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41 import java.util.ArrayList;
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42 import java.util.List;
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43 import java.util.Set;
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44
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45
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46 /**
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47 * Entry point classes define <code>onModuleLoad()</code>.
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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 FLYS implements EntryPoint, CollectionChangeHandler {
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52
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53 /** The message class that provides i18n strings.*/
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54 protected FLYSConstants MSG = GWT.create(FLYSConstants.class);
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55
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56 /** The UserService used to retrieve information about the current user. */
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57 protected UserServiceAsync userService = GWT.create(UserService.class);
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58
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59 /** The RiverService used to retrieve the supported rivers of the server.*/
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60 protected RiverServiceAsync riverService = GWT.create(RiverService.class);
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61
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62 /** The ArtifactService used to communicate with the Artifact server. */
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63 protected ArtifactServiceAsync artifactService =
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64 GWT.create(ArtifactService.class);
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65
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66 /** The ArtifactService used to communicate with the Artifact server. */
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67 protected DescribeCollectionServiceAsync describeCollectionService =
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68 GWT.create(DescribeCollectionService.class);
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70 /** The GetArtifactService used to open an existing collection. */
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71 protected GetArtifactServiceAsync getArtifactService =
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72 GWT.create(GetArtifactService.class);
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74
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75 /** The menu bar at the top of the application. */
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76 protected MainMenu menu;
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78 /** The content window. It takes the whole space beneath the menu bar.*/
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79 protected FLYSView view;
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80
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81 /** The project list that displays the projects of the user. */
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82 protected ProjectList projectList;
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83
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84 /** The FLYSWorkspace. */
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85 protected FLYSWorkspace workspace;
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86
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87 /** The footer. */
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88 protected FLYSFooter footer;
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89
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90 /** The user who is currently logged in. */
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91 protected User currentUser;
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93 /** The list of rivers supported by the server. */
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94 protected River[] rivers;
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96 /** This list is used to track the opened projects. */
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97 protected List<String> openProjects;
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98
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100 /**
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101 * This is the entry point method.
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102 */
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103 @Override
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104 public void onModuleLoad() {
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105 openProjects = new ArrayList<String>();
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106
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107 //GWT.setUncaughtExceptionHandler(new GWT.UncaughtExceptionHandler() {
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108 // public void onUncaughtException(Throwable e) {
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109 // showWarning(e);
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110 // }
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111 //});
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112
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113 VLayout vertical = new VLayout();
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114 vertical.setLayoutMargin(1);
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115 vertical.setWidth100();
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116 vertical.setHeight100();
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117
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118 HLayout spacerBar = new HLayout();
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119 spacerBar.setWidth("100%");
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120 spacerBar.setHeight("20px");
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121 spacerBar.setStyleName("bgBlueLight");
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122
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123 menu = new MainMenu(this);
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124 view = new FLYSView();
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125 footer = new FLYSFooter(this);
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126
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127 vertical.addMember(new FLYSHeader());
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128 vertical.addMember(menu);
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129 vertical.addMember(spacerBar);
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130 vertical.addMember(view);
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131 vertical.addMember(footer);
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132
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133 vertical.draw();
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134
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135 initConfiguration();
229
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136
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137 Config config = Config.getInstance();
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138 String locale = config.getLocale();
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139
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140 getRivers();
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141
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142 userService.getCurrentUser(locale, new AsyncCallback<User>() {
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143 @Override
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144 public void onFailure(Throwable caught) {
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145 GWT.log("Could not find a logged in user.");
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146 SC.warn(MSG.getString(caught.getMessage()));
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147 }
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148
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149 @Override
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150 public void onSuccess(User user) {
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151 GWT.log("Found a user. Set '"+ user.getName() + "'");
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152 setCurrentUser(user);
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153
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154 menu.setCurrentUser(user);
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155
225
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156 projectList = new ProjectList(FLYS.this, user);
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157 workspace = new FLYSWorkspace();
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158 view.setProjectList(projectList);
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159 view.setFLYSWorkspace(workspace);
217
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160
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161 readRivers();
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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
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167 public void showWarning(Throwable e) {
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168 StringBuilder sb = new StringBuilder();
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169 sb.append("<tt>");
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170
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171 if (e instanceof UmbrellaException) {
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172 UmbrellaException u = (UmbrellaException) e;
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173 Set<Throwable> throwables = u.getCauses();
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174
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175 for (Throwable t: throwables) {
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176 sb.append(t.getLocalizedMessage());
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177 sb.append("<br>");
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178 }
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179 }
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180 else {
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181 sb.append(e.getLocalizedMessage());
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182 }
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183
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184 sb.append("</tt>");
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185
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186 Window w = new Window();
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187 w.setTitle(MSG.unexpected_exception());
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188 w.setWidth(550);
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189 w.setHeight(300);
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190 w.centerInPage();
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191 w.setCanDragResize(true);
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192
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193 HTMLPane p = new HTMLPane();
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194 p.setContents(sb.toString());
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195
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196 w.addItem(p);
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197 w.show();
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198 }
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199
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200
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201 /**
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202 * This method should be called at system start. It initialzes the client
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203 * configuration.
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204 */
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205 protected void initConfiguration() {
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206 String xml = FLYSResources.INSTANCE.initialConfiguration().getText();
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207 Config.getInstance(XMLParser.parse(xml));
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208 }
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209
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210
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211 /**
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212 * Returns the user that is currently logged in.
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213 *
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214 * @return the current user.
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215 */
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216 public User getCurrentUser() {
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217 return currentUser;
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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 * Sets the current user.
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223 */
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224 public void setCurrentUser(User user) {
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225 currentUser = user;
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226 }
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227
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228
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229 /**
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230 * Returns the project list.
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231 */
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232 public ProjectList getProjectList() {
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233 return projectList;
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234 }
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235
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236
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237 /**
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238 * Returns the projects workspace that contains all project windows.
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239 *
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240 * @return the FLYSWorkspace.
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241 */
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242 public FLYSWorkspace getWorkspace() {
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243 return workspace;
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244 }
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245
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246
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247 /**
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248 * Returns a list of rivers supported by the artifact server.
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249 *
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250 * @return a list of rivers supported by the artifact server.
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251 */
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252 public River[] getRivers() {
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253 return rivers;
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254 }
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255
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256
217
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257 protected void readRivers() {
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258 Config config = Config.getInstance();
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259 String locale = config.getLocale();
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260
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261 riverService.list(locale, new AsyncCallback<River[]>() {
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262 @Override
217
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263 public void onFailure(Throwable caught) {
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264 GWT.log("Could not recieve a list of rivers.");
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265 SC.warn(MSG.getString(caught.getMessage()));
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266 }
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267
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268 @Override
217
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269 public void onSuccess(River[] newRivers) {
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270 GWT.log("Retrieved " + newRivers.length + " new rivers.");
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271 rivers = newRivers;
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272 }
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273 });
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274 }
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275
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276
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277 /**
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278 * This method creates a new CollectionView and adds it to the workspace.
217
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279 * <b>NOTE</b>The user needs to be logged in and there need to at least one
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280 * river - otherwise a warning is displayed and no CollectionView is
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281 * created.
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282 */
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283 public void newProject() {
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284 if (getCurrentUser() == null) {
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285 SC.warn(MSG.error_not_logged_in());
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286 return;
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287 }
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288
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289 if (getRivers() == null) {
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290 SC.warn(MSG.error_no_rivers_found());
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291 readRivers();
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292
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293 return;
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294 }
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295
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296 CollectionView view = new CollectionView(this);
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297 workspace.addView("new-project", view);
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298
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299 view.addCollectionChangeHandler(getProjectList());
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300 }
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301
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302
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303 protected void lockProject(String uuid) {
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304 if (isProjectLocked(uuid)) {
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305 return;
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306 }
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307
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308 openProjects.add(uuid);
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309 }
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310
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311
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312 protected void unlockProject(String uuid) {
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313 openProjects.remove(uuid);
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314 }
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315
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316
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317 protected boolean isProjectLocked(String uuid) {
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318 return openProjects.contains(uuid);
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319 }
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320
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321
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322 public void openProject(final String collectionID) {
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323 if (collectionID == null) {
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324 return;
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325 }
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326
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327 if (isProjectLocked(collectionID)) {
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328 workspace.bringUp(collectionID);
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329 return;
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330 }
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331
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332 lockProject(collectionID);
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333
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334 GWT.log("Open existing project: " + collectionID);
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335
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336 Config config = Config.getInstance();
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337 final String locale = config.getLocale();
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338
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339 describeCollectionService.describe(collectionID, locale,
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340 new AsyncCallback<Collection>() {
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341 @Override
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342 public void onFailure(Throwable caught) {
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343 SC.warn(MSG.getString(caught.getMessage()));
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344 }
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345
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346 @Override
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347 public void onSuccess(Collection c) {
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348 final Collection collection = c;
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349
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350 if (collection.getItemLength() == 0) {
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351 CollectionView view = new CollectionView(
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352 FLYS.this, collection, null);
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353
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354 view.addCollectionChangeHandler(
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355 getProjectList());
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356 view.addCloseClickHandler(
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357 new CloseCollectionViewHandler(
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358 FLYS.this, collectionID));
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359
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360 workspace.addView(collectionID, view);
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361
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362 return;
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363 }
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364
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365 final CollectionItem item = c.getItem(0);
225
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366
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367 if (item == null) {
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368 SC.warn(MSG.error_load_parameterization());
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369 return;
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370 }
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371
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372 getArtifactService.getArtifact(
229
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373 locale,
225
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374 item.identifier(),
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375 item.hash(),
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376 new AsyncCallback<Artifact>() {
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377 @Override
225
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378 public void onFailure(Throwable caught) {
557
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379 unlockProject(collectionID);
225
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380 SC.warn(MSG.getString(caught.getMessage()));
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381 }
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382
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383 @Override
225
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384 public void onSuccess(Artifact artifact) {
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385 CollectionView view = new CollectionView(
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386 FLYS.this, collection, artifact);
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387
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388 view.addCollectionChangeHandler(
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389 getProjectList());
557
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390 view.addCloseClickHandler(
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391 new CloseCollectionViewHandler(
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392 FLYS.this, collectionID));
225
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393
557
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394 workspace.addView(collectionID, view);
225
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395 }
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396 });
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397
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398 }
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399 });
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400 }
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401
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402
611
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403 public void closeProject(String uuid) {
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404 unlockProject(uuid);
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405 workspace.destroyProject(uuid);
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406 }
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407
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408
9
8facd8545a12 Added a global configuration for the client and classes providing methods to retrieve these information.
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409 /**
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410 * Create a new Artifact.
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411 */
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412 public void newArtifact(String factory) {
229
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413 Config config = Config.getInstance();
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414 String locale = config.getLocale();
14
fe2f4d1dd784 Integrated the httpclient for the communication between client and server. It is now possible to create a new WINFO artifact.
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parents: 9
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415
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bc06a671ef60 Removed the URL parameter from service calls. The service
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parents: 1294
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416 artifactService.create(locale, factory, null,
229
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417 new AsyncCallback<Artifact>() {
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418 @Override
229
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419 public void onFailure(Throwable caught) {
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420 GWT.log("Could not create the new artifact.");
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421 SC.warn(MSG.getString(caught.getMessage()));
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422 }
9
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423
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424 @Override
229
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425 public void onSuccess(Artifact artifact) {
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426 GWT.log("Successfully created a new artifact.");
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427 }
9
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428 });
6
e2b3966b40ca Added a workspace that handles the collection windows. New button to open a new collection.
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parents: 4
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429 }
557
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430
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431
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432 @Override
611
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diff changeset
433 public void onCollectionChange(CollectionChangeEvent event) {
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434 Collection oldC = event.getOldValue();
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435
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436 if (oldC == null) {
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diff changeset
437 Collection newC = event.getNewValue();
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diff changeset
438 lockProject(newC.identifier());
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diff changeset
439 }
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diff changeset
440 }
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441
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diff changeset
442
557
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diff changeset
443
92c200887b20 #21 There might be just a single window for each project now. Users can't open a project twice.
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diff changeset
444 /**
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diff changeset
445 * This CloseClickHandler is used to remove lock on a specific Collection so
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diff changeset
446 * that is might be opened again.
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447 */
611
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diff changeset
448 public class CloseCollectionViewHandler implements CloseClickHandler {
557
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diff changeset
449 protected FLYS flys;
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450 protected String uuid;
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451
92c200887b20 #21 There might be just a single window for each project now. Users can't open a project twice.
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diff changeset
452 public CloseCollectionViewHandler(FLYS flys, String uuid) {
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diff changeset
453 this.flys = flys;
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diff changeset
454 this.uuid = uuid;
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455 }
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456
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parents: 3381
diff changeset
457 @Override
1619
f8c03d3af300 Reactivated the Enterprise Blue theme. Fixes some icon and image issues in IE8.
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parents: 1493
diff changeset
458 public void onCloseClick(CloseClickEvent event) {
611
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diff changeset
459 flys.closeProject(uuid);
557
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diff changeset
460 }
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parents: 229
diff changeset
461 }
0
4e8be5e7855f Start of a GWT based client for FLYS-3.0
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
462 }
1
0e22a19852e7 Removed useless auto generated classes and added first ui elements with i18n support.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 0
diff changeset
463 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org