annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/MainMenu.java @ 4215:c179cd02177d

Logout the current user Add code to the logout button to remove the current user from the session and to redirect the browser window to the login page. Part of flys/issue916 (Logout: "Abmelden" Knopf mit Funktion belegen)
author Björn Ricks <bjoern.ricks@intevation.de>
date Tue, 23 Oct 2012 09:59:16 +0200
parents 725470fc57d2
children a04862abce42
rev   line source
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1 package de.intevation.flys.client.client.ui;
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3 import com.google.gwt.core.client.GWT;
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4 import com.google.gwt.i18n.client.LocaleInfo;
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5 import com.google.gwt.user.client.Window;
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6 import com.google.gwt.user.client.rpc.AsyncCallback;
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7 import com.smartgwt.client.types.Alignment;
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8 import com.smartgwt.client.util.BooleanCallback;
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9 import com.smartgwt.client.util.SC;
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10 import com.smartgwt.client.widgets.Button;
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11 import com.smartgwt.client.widgets.Label;
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12 import com.smartgwt.client.widgets.events.ClickEvent;
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13 import com.smartgwt.client.widgets.events.ClickHandler;
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14 import com.smartgwt.client.widgets.layout.HLayout;
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16 import de.intevation.flys.client.client.FLYS;
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17 import de.intevation.flys.client.client.FLYSConstants;
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18 import de.intevation.flys.client.client.services.UserService;
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19 import de.intevation.flys.client.client.services.UserServiceAsync;
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20 import de.intevation.flys.client.shared.model.User;
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23 /**
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24 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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25 */
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26 public class MainMenu extends HLayout {
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28 /** The interface that provides i18n messages. */
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29 private final FLYSConstants messages = GWT.create(FLYSConstants.class);
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31 /** An instance to FLYS.*/
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32 protected FLYS flys;
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33
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34 /** The user that is currently logged in. */
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35 protected User currentUser;
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37 /** The label that displays the current logged in user. */
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38 protected Label userText;
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40 /** The button to log the current user out.*/
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41 protected Button logout;
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43 /** The button to add new projects.*/
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44 protected Button newProject;
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45
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46 /** The button to open the project list.*/
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47 protected Button projectList;
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49 /** The button to switch between the english and german version.*/
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50 protected Button language;
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51
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52 /** The button to open an info panel.*/
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53 protected Button info;
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54
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55 protected UserServiceAsync userService =
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56 GWT.create(UserService.class);
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57
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58 /**
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59 * The default constructor for creating a new MainMenu.
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60 */
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61 public MainMenu(FLYS flys) {
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62 this.flys = flys;
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63
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64 String guest = messages.user() + " " + messages.guest();
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65
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66 userText = new Label(guest);
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67 newProject = new Button(messages.new_project());
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68 projectList = new Button(messages.manage_projects());
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69 logout = new Button(messages.logout());
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70 language = new Button(messages.switch_language());
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71 info = new Button(messages.info());
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72
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73 newProject.addClickHandler(new ClickHandler() {
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74 @Override
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75 public void onClick(ClickEvent event) {
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76 GWT.log("Clicked 'New Project' button.");
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77 createNewProject();
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78 }
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79 });
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80
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81 projectList.addClickHandler(new ClickHandler() {
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82 @Override
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83 public void onClick(ClickEvent event) {
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84 GWT.log("Clicked 'Open ProjectList' button.");
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85 ProjectList list = getFlys().getProjectList();
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86 if (list.isVisible())
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87 list.hide();
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88 else
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89 list.show();
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90 }
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91 });
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92
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93 logout.addClickHandler(new ClickHandler() {
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94 @Override
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95 public void onClick(ClickEvent event) {
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96 GWT.log("Clicked 'logout' button.");
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97 userService.logoutCurrentUser(new AsyncCallback<Void>() {
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98 public void onFailure(Throwable caught) {
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99 }
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100
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101 public void onSuccess(Void result) {
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102 Window.Location.replace("/login.jsp");
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103 }
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104 });
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105
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106 }
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107 });
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108
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109 language.addClickHandler(new ClickHandler() {
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110 @Override
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111 public void onClick(ClickEvent event) {
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112 LocaleInfo info = LocaleInfo.getCurrentLocale();
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113 final String currentLocale = info.getLocaleName();
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114 final String newLocale = currentLocale.equals("de")
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115 ? "en"
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116 : "de";
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117
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118 SC.confirm(messages.warning(), messages.warning_language(),
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119 new BooleanCallback() {
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120 @Override
212
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121 public void execute(Boolean value) {
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122 if (value) {
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123 switchLanguage(currentLocale, newLocale);
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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 info.addClickHandler(new ClickHandler() {
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131 @Override
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132 public void onClick(ClickEvent event) {
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133 GWT.log("Clicked 'info' button.");
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134 GWT.log("IMPLEMENT the 'open info panel' function.");
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135 }
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136 });
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137
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138 init();
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139 }
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140
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141
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142 /**
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143 * This method is called by the constructor after creating the necessary
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144 * components. It initializes layout specific stuff like width, height,
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145 * colors and so on and appends the components.
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146 */
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147 protected void init() {
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148 setStyleName("bgBlueDark");
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149 setHeight("25px");
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150 setLayoutMargin(5);
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151
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152 newProject.setStyleName("fontLightSmall");
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153 projectList.setStyleName("fontLightSmall");
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154 userText.setStyleName("fontLightSmall");
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155 newProject.setStyleName("fontLightSmall");
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156 logout.setStyleName("fontLightSmall");
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157 language.setStyleName("fontLightSmall");
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158 info.setStyleName("fontLightSmall");
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159
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160 projectList.setWidth("140px");
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161
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162 HLayout leftPanel = new HLayout();
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163 leftPanel.setWidth("80%");
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164 leftPanel.setMembersMargin(5);
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165 leftPanel.addMember(newProject);
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166 leftPanel.addMember(projectList);
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167
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168 userText.setAlign(Alignment.RIGHT);
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169 userText.setWidth(200);
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170 logout.setWidth(70);
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171 info.setWidth(40);
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172 language.setWidth(70);
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173
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174 HLayout rightPanel = new HLayout();
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175 rightPanel.setAlign(Alignment.RIGHT);
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176 rightPanel.setMembersMargin(3);
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177 rightPanel.setLayoutRightMargin(5);
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178 rightPanel.addMember(userText);
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179 rightPanel.addMember(logout);
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180 rightPanel.addMember(language);
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181 rightPanel.addMember(info);
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182
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183 addMember(leftPanel);
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184 addMember(rightPanel);
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185 }
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186
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187
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188 /**
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189 * Returns the FLYS instance stored in this class.
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190 *
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191 * @return the flys instance.
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192 */
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193 protected FLYS getFlys() {
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194 return flys;
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195 }
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196
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197
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198 /**
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199 * Set the current {@link User} and call {@link updateCurrentUser()}
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200 * afterwards.
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201 *
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202 * @param user the new user.
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203 */
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204 public void setCurrentUser(User currentUser) {
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205 this.currentUser = currentUser;
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206
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207 updateCurrentUser();
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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 * Update the text field that shows the current user. If no user is
211
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213 * currently logged in, the text will display {@link FLYSConstants.guest()}.
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214 */
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215 public void updateCurrentUser() {
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216 String name = currentUser != null
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217 ? currentUser.getName()
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218 : messages.guest();
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219
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220 GWT.log("Update the current user: " + name);
102
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221
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222 String username = messages.user() + " " + name;
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223 userText.setContents(username);
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224 }
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225
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226
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227 /**
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228 * Create a new project by calling FLYS.newProject().
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229 */
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230 protected void createNewProject() {
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231 flys.newProject();
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232 }
210
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233
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234
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235 /**
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236 * This method triggers the language switch between the <i>currentLocale</i>
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237 * and the <i>newLocale</i>. The switch is done by replacing a "locale="
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238 * parameter in the url of the application. We could use the GWT UrlBuilder
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239 * class to create a new URL, but - in my eyes - this class is a bit
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240 * inconsistens in its implementation.
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241 *
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242 * @param currentLocale The current locale string (e.g. "en").
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243 * @param newLocale The new locale string (e.g. "de").
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244 */
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245 protected void switchLanguage(String currentLocale, String newLocale) {
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246 String newLocation = Window.Location.getHref();
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247
212
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248 if (newLocation.endsWith("/")) {
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249 newLocation = newLocation.substring(0, newLocation.length()-1);
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250 }
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251
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252 String replace = null;
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253 String replaceWith = null;
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254
210
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255 if (newLocation.indexOf("&locale=") >= 0) {
212
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256 replace = currentLocale.equals("de")
210
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257 ? "&locale=de"
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258 : "&locale=en";
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259
212
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260 replaceWith = "&locale=" + newLocale;
210
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261 }
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262 else if (newLocation.indexOf("?locale=") >= 0) {
212
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263 replace = currentLocale.equals("de")
210
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264 ? "?locale=de"
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265 : "?locale=en";
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266
212
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267 replaceWith = "?locale=" + newLocale;
210
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268 }
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269 else {
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270 newLocation += newLocation.indexOf("?") >= 0
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271 ? "&locale=" + newLocale
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272 : "?locale=" + newLocale;
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273 }
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274
212
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275 if (replace != null && replaceWith != null) {
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276 newLocation = newLocation.replace(replace, replaceWith);
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277 }
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278
210
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279 Window.open(newLocation, "_self", "");
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280 }
1
0e22a19852e7 Removed useless auto generated classes and added first ui elements with i18n support.
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281 }
0e22a19852e7 Removed useless auto generated classes and added first ui elements with i18n support.
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282 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :

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