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annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/ProjectList.java @ 597:14e5e51a7de4

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Improved the project list - listeners are notified after setting the name and ttl of a project. flys-client/trunk@2199 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Wed, 22 Jun 2011 10:14:57 +0000
parents 53ad6dd2cb2b
children 031357c3e23e
rev   line source
4
89976499e013 Implemented a ProjectList and added a mockup that displays two collections in that list.
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1 package de.intevation.flys.client.client.ui;
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2
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3 import java.util.Date;
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4 import java.util.Map;
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5
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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.Timer;
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9 import com.google.gwt.user.client.rpc.AsyncCallback;
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11 import com.smartgwt.client.types.Alignment;
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12 import com.smartgwt.client.types.ListGridEditEvent;
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13 import com.smartgwt.client.types.ListGridFieldType;
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14 import com.smartgwt.client.types.SortDirection;
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15 import com.smartgwt.client.util.SC;
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16 import com.smartgwt.client.widgets.Canvas;
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17 import com.smartgwt.client.widgets.Label;
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18 import com.smartgwt.client.widgets.grid.CellFormatter;
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19 import com.smartgwt.client.widgets.grid.ListGrid;
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20 import com.smartgwt.client.widgets.grid.ListGridField;
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21 import com.smartgwt.client.widgets.grid.ListGridRecord;
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22 import com.smartgwt.client.widgets.grid.events.CellClickEvent;
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23 import com.smartgwt.client.widgets.grid.events.CellClickHandler;
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24 import com.smartgwt.client.widgets.grid.events.CellDoubleClickEvent;
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25 import com.smartgwt.client.widgets.grid.events.CellDoubleClickHandler;
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26 import com.smartgwt.client.widgets.grid.events.EditCompleteEvent;
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27 import com.smartgwt.client.widgets.grid.events.EditCompleteHandler;
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28 import com.smartgwt.client.widgets.grid.events.RowContextClickEvent;
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29 import com.smartgwt.client.widgets.grid.events.RowContextClickHandler;
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30 import com.smartgwt.client.widgets.layout.VLayout;
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31 import com.smartgwt.client.widgets.menu.Menu;
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32 import com.smartgwt.client.widgets.menu.MenuItem;
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33 import com.smartgwt.client.widgets.menu.events.MenuItemClickEvent;
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34 import com.smartgwt.client.widgets.menu.events.ClickHandler;
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35 import com.smartgwt.client.types.VerticalAlignment;
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37 import de.intevation.flys.client.shared.model.Collection;
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38 import de.intevation.flys.client.shared.model.CollectionRecord;
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39 import de.intevation.flys.client.shared.model.User;
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40
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41 import de.intevation.flys.client.client.Config;
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42 import de.intevation.flys.client.client.FLYS;
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43 import de.intevation.flys.client.client.FLYSConstants;
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44 import de.intevation.flys.client.client.event.CollectionChangeEvent;
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45 import de.intevation.flys.client.client.event.CollectionChangeHandler;
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46 import de.intevation.flys.client.client.services.UserCollectionsService;
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47 import de.intevation.flys.client.client.services.UserCollectionsServiceAsync;
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48
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49
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50 /**
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51 * The project list shows a list of projects of a specific user.
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52 *
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53 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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54 */
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55 public class ProjectList
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56 extends VLayout
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57 implements CollectionChangeHandler, EditCompleteHandler
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58 {
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59 /** Interval to refresh the user's projects.*/
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60 public static final int UPDATE_INTERVAL = 30000;
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61
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62 /** Min Interval to refresh the user's projects.*/
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63 public static final int MIN_UPDATE_INTERVAL = 5000;
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64
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65 /** The interface that provides i18n messages. */
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66 private FLYSConstants messages = GWT.create(FLYSConstants.class);
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68 /** The UserService used to retrieve information about the current user. */
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69 protected UserCollectionsServiceAsync userCollectionsService =
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70 GWT.create(UserCollectionsService.class);
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71
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72 /** A pointer to the FLYS instance.*/
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73 protected FLYS flys;
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74
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75 /** The user whose projects should be displayed.*/
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76 protected User user;
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77
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78 /** The grid that contains the project rows.*/
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79 protected ListGrid grid;
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80
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81 /**
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82 * The default constructor that creates a new ProjectList for a specific
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83 * user.
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84 *
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85 * @param user The user.
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86 */
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87 public ProjectList(FLYS flys, User user) {
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88 this.flys = flys;
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89 this.user = user;
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90
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91 grid = new ListGrid();
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92 initGrid();
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93 init();
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94 initTimer();
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96 grid.addEditCompleteHandler(this);
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97
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98 updateUserCollections();
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99 }
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101
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102 protected void initGrid() {
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103 grid.setEmptyMessage(messages.no_projects());
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104 grid.setLoadingDataMessage(messages.load_projects());
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105 grid.setShowRecordComponents(true);
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106 grid.setShowRecordComponentsByCell(true);
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107 grid.setCanRemoveRecords(false);
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108 grid.setShowHeader(false);
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109 grid.setWidth100();
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110 grid.setHeight100();
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111 grid.setSortDirection(SortDirection.DESCENDING);
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112 grid.setSortField(0);
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113 grid.setCanEdit(false);
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114 grid.setEditByCell(true);
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115 grid.setEditEvent(ListGridEditEvent.NONE);
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116
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117 ListGridField date = buildDateField();
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118 ListGridField name = buildNameField();
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119 ListGridField fav = buildFavoriteField();
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120
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121 grid.setFields(date, name, fav);
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122
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123 // add a handler to set / unset the favorite state of a project
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124 grid.addCellClickHandler(new CellClickHandler() {
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125 public void onCellClick(CellClickEvent event) {
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126 if (event.getColNum() != 2) {
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127 return;
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128 }
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129
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130 CollectionRecord r = (CollectionRecord) event.getRecord();
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131 Collection c = r.getCollection();
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132
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133 c.setTTL(c.getTTL() == 0 ? -1 : 0);
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134 updateCollectionTTL(c);
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135 }
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136 });
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137
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138 // add a handler to open a project
253
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139 grid.addCellDoubleClickHandler(new CellDoubleClickHandler() {
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140 public void onCellDoubleClick(CellDoubleClickEvent e) {
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141 CollectionRecord record = (CollectionRecord) e.getRecord();
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142 String uuid = record != null
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143 ? record.getCollection().identifier()
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144 : "";
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145 getFlys().openProject(uuid);
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146 }
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147 });
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148
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149 // add a handler to open a context menu
220
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150 grid.addRowContextClickHandler(new RowContextClickHandler() {
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151 public void onRowContextClick(RowContextClickEvent event) {
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152 CollectionRecord record = (CollectionRecord) event.getRecord();
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153
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154 Menu menu = createContextMenu(record);
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155 grid.setContextMenu(menu);
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156 menu.showContextMenu();
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157
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158 event.cancel();
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159 }
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160 });
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161 }
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162
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163
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164 /**
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165 * Initializes a repeating timer that updates the user's collections. The
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166 * interval is specified by the constant <i>UPDATE_INTERVAL</i>.
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167 */
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168 protected void initTimer() {
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169 Config config = Config.getInstance();
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170 int interval = config.getProjectListUpdateInterval();
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171
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172 interval = interval > MIN_UPDATE_INTERVAL ? interval : UPDATE_INTERVAL;
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173
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174 GWT.log("Update project list every " + interval + " milliseconds.");
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175
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176 Timer t = new Timer() {
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177 @Override
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178 public void run() {
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179 updateUserCollections();
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180 }
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181 };
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182
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183 t.scheduleRepeating(interval);
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184 }
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185
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186
225
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187 public FLYS getFlys() {
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188 return flys;
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189 }
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190
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191
220
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192 /**
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193 * Creates a new context menu that interacts with a CollectionRecord.
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194 *
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195 * @param record The selected record.
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196 *
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197 * @return the context menu with operations that interact with
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198 * <i>record</i>.
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199 */
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200 protected Menu createContextMenu(final CollectionRecord record) {
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201 Menu menu = new Menu();
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202
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203 MenuItem open = new MenuItem(messages.open_project());
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204 open.addClickHandler(new ClickHandler() {
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205 public void onClick(MenuItemClickEvent evt) {
225
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206 getFlys().openProject(record.getCollection().identifier());
220
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207 }
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208 });
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209
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210 MenuItem del = new MenuItem(messages.delete_project());
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211 del.addClickHandler(new ClickHandler() {
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212 public void onClick(MenuItemClickEvent evt) {
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213 SC.warn("Removing projects is not implemented.");
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214 }
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215 });
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216
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217 MenuItem rename = new MenuItem(messages.rename_project());
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218 rename.addClickHandler(new ClickHandler() {
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219 public void onClick(MenuItemClickEvent evt) {
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220 int row = grid.getRecordIndex(record);
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221 grid.startEditing(row, 1, false);
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222 }
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223 });
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224
220
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225 menu.addItem(open);
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226 menu.addItem(del);
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227 menu.addItem(rename);
220
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228
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229 return menu;
4
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230 }
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231
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232
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233 /**
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234 * The init() method handles the layout stuff for this widget.
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235 */
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236 protected void init() {
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237 setWidth(300);
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238 setHeight100();
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239 setShowResizeBar(true);
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240 setShowEdges(false);
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241 setLayoutMargin(0);
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242 setLayoutAlign(VerticalAlignment.TOP);
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243
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244 Label title = new Label(messages.projects());
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245 title.setHeight("20");
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246 title.setMargin(5);
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247 title.setWidth100();
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248 title.setStyleName("fontLightSmall");
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249
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250 Canvas titleWrapper = new Canvas();
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251 titleWrapper.setStyleName("bgBlueDark");
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252 titleWrapper.setWidth100();
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253 titleWrapper.setHeight("20px");
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254 titleWrapper.addChild(title);
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255
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256 Canvas gridWrapper = new Canvas();
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257 gridWrapper.setPadding(0);
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258 titleWrapper.setWidth100();
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259 gridWrapper.addChild(grid);
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260
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261 addMember(titleWrapper);
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262 addMember(gridWrapper);
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263 }
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264
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265
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266 public void onCollectionChange(CollectionChangeEvent event) {
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267 if (event.getOldValue() == null) {
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268 updateUserCollections();
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269 }
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270 }
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271
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272
597
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273 public void onEditComplete(EditCompleteEvent event) {
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274 if (event.getColNum() != 1) {
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275 return;
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276 }
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277
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278 int row = event.getRowNum();
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279
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280 CollectionRecord r = (CollectionRecord) grid.getRecord(row);
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281 Collection c = r.getCollection();
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282
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283 Map newValues = event.getNewValues();
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284 String name = (String) newValues.get("name");
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285
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286 c.setName(name);
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287
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288 updateCollectionName(c);
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289 }
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290
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291
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292 /**
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293 * Set the name of the collection <i>c</i> to a new value. If the update
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294 * process succeeded, the project list is refreshed.
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295 *
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296 * @param c The Collection with a new name.
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297 */
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298 protected void updateCollectionName(Collection c) {
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299 if (c == null) {
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300 return;
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301 }
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302
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303 GWT.log("Update Collection name: " + c.identifier());
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304 GWT.log("=> New name = " + c.getName());
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305
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306 // TODO IMPLEMENT ME
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307 }
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308
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309
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310 /**
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311 * Set the ttl of the collection <i>c</i> to a new value. If the update
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312 * process succeeded, the project list is refreshed.
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313 *
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314 * @param c The Collection with a new ttl.
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315 */
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316 protected void updateCollectionTTL(Collection c) {
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317 if (c == null) {
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318 return;
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319 }
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320
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321 GWT.log("Update Collection TTL: " + c.identifier());
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322 GWT.log("=> New ttl = " + c.getTTL());
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323
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324 // TODO IMPLEMENT ME
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325 }
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326
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327
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328 protected void updateUserCollections() {
585
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329 GWT.log("==> ProjectList updates user collections!");
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330
97
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331 Config config = Config.getInstance();
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332 String url = config.getServerUrl();
229
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333 String locale = config.getLocale();
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334
229
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335 userCollectionsService.getUserCollections(url, locale, user.identifier(),
97
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336 new AsyncCallback<Collection[]>() {
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337 public void onFailure(Throwable caught) {
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338 GWT.log("Could not recieve a list of user collections.");
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339 GWT.log(caught.getMessage());
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340 }
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341
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342 public void onSuccess(Collection[] collections) {
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343 int num = collections != null ? collections.length : 0;
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344
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345 GWT.log("Received " + num + " user collections.");
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346
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347 if (num == 0) {
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348 return;
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349 }
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350
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351 updateGrid(collections);
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352 }
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353 }
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354 );
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355 }
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356
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357
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358 protected void clearGrid() {
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359 ListGridRecord[] records = grid.getRecords();
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360
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361 for (ListGridRecord record: records) {
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362 grid.removeData(record);
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363 }
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364 }
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365
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366
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367 protected void updateGrid(Collection[] collections) {
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368 clearGrid();
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369
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370 for (Collection c: collections) {
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371 grid.addData(new CollectionRecord(c));
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372 }
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373 }
226
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374
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375
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376 /**
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377 * Builds the field in the grid that displays the creation time of a
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378 * project.
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379 *
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380 * @return the grid field.
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381 */
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382 protected ListGridField buildDateField() {
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383 ListGridField date = new ListGridField("creationTime", "creationTime");
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384 date.setType(ListGridFieldType.DATE);
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385 date.setCanEdit(false);
226
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386
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387 date.setCellFormatter(new CellFormatter() {
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388 public String format(Object value, ListGridRecord rec, int r, int c) {
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389 if (value == null) {
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390 return null;
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391 }
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392
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393 DateTimeFormat dtf = DateTimeFormat.getFormat(
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394 messages.datetime_format());
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395
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396 return dtf.format((Date)value);
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397 }
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398 });
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399
587
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diff changeset
400 date.setWidth(100);
226
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401 date.setAlign(Alignment.LEFT);
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402
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403 return date;
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404 }
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diff changeset
405
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diff changeset
406
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407 /**
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408 * Builds the field in the grid that displays the name of a project.
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409 *
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410 * @return the grid field.
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411 */
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412 protected ListGridField buildNameField() {
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413 ListGridField name = new ListGridField("name", "name");
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414 name.setType(ListGridFieldType.TEXT);
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diff changeset
415
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diff changeset
416 name.setCellFormatter(new CellFormatter() {
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417 public String format(Object value, ListGridRecord record, int row, int col) {
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418 String n = (String) value;
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diff changeset
419 int len = n.length();
554
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420
597
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diff changeset
421 if (len < 26) {
554
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diff changeset
422 return n;
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diff changeset
423 }
ad2ba6e2b8bd Added a dirty hack to display project names shorter than 30 characters.
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424
597
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diff changeset
425 int sec = len - 13;
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diff changeset
426 return n.substring(0, 12) + "..." + n.substring(sec, len-1);
226
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diff changeset
427 }
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diff changeset
428 });
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diff changeset
429
587
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diff changeset
430 name.setWidth(165);
226
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diff changeset
431 name.setAlign(Alignment.LEFT);
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diff changeset
432
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diff changeset
433 return name;
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diff changeset
434 }
587
53ad6dd2cb2b The project list displays the favorite state of a collection now. A gold star means, that a collection is a owner's favorite project and will never die. A silver star means, that the project is a common project.
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parents: 585
diff changeset
435
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parents: 585
diff changeset
436
53ad6dd2cb2b The project list displays the favorite state of a collection now. A gold star means, that a collection is a owner's favorite project and will never die. A silver star means, that the project is a common project.
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parents: 585
diff changeset
437 protected ListGridField buildFavoriteField() {
53ad6dd2cb2b The project list displays the favorite state of a collection now. A gold star means, that a collection is a owner's favorite project and will never die. A silver star means, that the project is a common project.
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parents: 585
diff changeset
438 ListGridField fav = new ListGridField("ttl", "ttl");
53ad6dd2cb2b The project list displays the favorite state of a collection now. A gold star means, that a collection is a owner's favorite project and will never die. A silver star means, that the project is a common project.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 585
diff changeset
439 fav.setType(ListGridFieldType.IMAGE);
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parents: 585
diff changeset
440 String base = GWT.getHostPageBaseURL();
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parents: 585
diff changeset
441 fav.setImageURLPrefix(base + "images/");
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parents: 585
diff changeset
442 fav.setImageURLSuffix(".png");
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 585
diff changeset
443 fav.setWidth(30);
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 585
diff changeset
444 fav.setAlign(Alignment.RIGHT);
597
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parents: 587
diff changeset
445 fav.setCanEdit(false);
587
53ad6dd2cb2b The project list displays the favorite state of a collection now. A gold star means, that a collection is a owner's favorite project and will never die. A silver star means, that the project is a common project.
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parents: 585
diff changeset
446
53ad6dd2cb2b The project list displays the favorite state of a collection now. A gold star means, that a collection is a owner's favorite project and will never die. A silver star means, that the project is a common project.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 585
diff changeset
447 return fav;
53ad6dd2cb2b The project list displays the favorite state of a collection now. A gold star means, that a collection is a owner's favorite project and will never die. A silver star means, that the project is a common project.
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parents: 585
diff changeset
448 }
4
89976499e013 Implemented a ProjectList and added a mockup that displays two collections in that list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
449 }
89976499e013 Implemented a ProjectList and added a mockup that displays two collections in that list.
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parents:
diff changeset
450 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org