gitorious.org Git - online-glom:gwt-glom.git/blob - src/main/java/org/glom/web/client/activity/ListActivity.java

1 /*

3 *

4 * This file is part of GWT-Glom.

5 *

6 * GWT-Glom is free software: you can redistribute it and/or modify it

7 * under the terms of the GNU Lesser General Public License as published by the

8 * Free Software Foundation, either version 3 of the License, or (at your

9 * option) any later version.

10 *

11 * GWT-Glom is distributed in the hope that it will be useful, but WITHOUT

12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License

14 * for more details.

15 *

16 * You should have received a copy of the GNU Lesser General Public License

17 * along with GWT-Glom. If not, see <http://www.gnu.org/licenses/>.

18 */

19

20 package org.glom.web.client.activity;

21

22 import org.glom.web.client.ClientFactory;

23 import org.glom.web.client.OnlineGlomServiceAsync;

24 import org.glom.web.client.StringUtils;

25 import org.glom.web.client.Utils;

26 import org.glom.web.client.event.LocaleChangeEvent;

27 import org.glom.web.client.event.LocaleChangeEventHandler;

28 import org.glom.web.client.event.QuickFindChangeEvent;

29 import org.glom.web.client.event.QuickFindChangeEventHandler;

30 import org.glom.web.client.event.TableChangeEvent;

31 import org.glom.web.client.event.TableChangeEventHandler;

32 import org.glom.web.client.place.DocumentSelectionPlace;

33 import org.glom.web.client.place.ListPlace;

34 import org.glom.web.client.ui.AuthenticationPopup;

35 import org.glom.web.client.ui.ListView;

36 import org.glom.web.client.ui.View;

37 import org.glom.web.shared.layout.LayoutGroup;

38

39 import com.google.gwt.activity.shared.AbstractActivity;

40 import com.google.gwt.core.client.GWT;

41 import com.google.gwt.event.dom.client.ClickEvent;

42 import com.google.gwt.event.dom.client.ClickHandler;

43 import com.google.gwt.event.shared.EventBus;

44 import com.google.gwt.place.shared.Place;

45 import com.google.gwt.user.client.rpc.AsyncCallback;

46 import com.google.gwt.user.client.ui.AcceptsOneWidget;

47

48 public class ListActivity extends AbstractActivity implements View.Presenter {

49

50 private final String documentID;

51 private final String tableName;

52 private final String quickFind;

53 private final ClientFactory clientFactory;

54 private final ListView listView;

55 private final AuthenticationPopup authenticationPopup;

56

57 public ListActivity(final ListPlace place, final ClientFactory clientFactory) {

58 this.documentID = place.getDocumentID(); // TODO: Just store the place?

59 this.tableName = place.getTableName();

60 this.quickFind = place.getQuickFind();

61 this.clientFactory = clientFactory;

62 listView = clientFactory.getListView();

63 authenticationPopup = clientFactory.getAuthenticationPopup();

64 }

65

66 @Override

67 public void start(final AcceptsOneWidget panel, final EventBus eventBus) {

68 if (StringUtils.isEmpty(documentID))

69 goTo(new DocumentSelectionPlace());

70

71 // register this class as the presenter

72 listView.setPresenter(this);

73

74 // TODO this should really be it's own Place/Activity

75 // check if the authentication info has been set for the document

76 final AsyncCallback<Boolean> isAuthCallback = new AsyncCallback<Boolean>() {

77 @Override

78 public void onFailure(final Throwable caught) {

79 // TODO: create a way to notify users of asynchronous callback failures

80 GWT.log("AsyncCallback Failed: OnlineGlomService.isAuthenticated()");

81 }

82

83 @Override

84 public void onSuccess(final Boolean result) {

85 if (!result) {

86 setUpAuthClickHandler(eventBus);

87 authenticationPopup.center();

88 }

89 }

90 };

91 OnlineGlomServiceAsync.Util.getInstance().isAuthenticated(documentID, isAuthCallback);

92

93 // set the change handler for the table selection widget

94 eventBus.addHandler(TableChangeEvent.TYPE, new TableChangeEventHandler() {

95 @Override

96 public void onTableChange(final TableChangeEvent event) {

97 goTo(new ListPlace(documentID, event.getNewTableName(), ""));

98 }

99 });

100

101 // populate the cell table with data

102 final AsyncCallback<LayoutGroup> callback = new AsyncCallback<LayoutGroup>() {

103 @Override

104 public void onFailure(final Throwable caught) {

105 // TODO: create a way to notify users of asynchronous callback failures

106 GWT.log("AsyncCallback Failed: OnlineGlomService.getListViewLayout()");

107 }

108

109 @Override

110 public void onSuccess(final LayoutGroup result) {

111 // TODO check if result.getTableName() is the same as the tableName field. Update it if it's not the

112 // same.

113 listView.setCellTable(documentID, result, quickFind);

114 }

115 };

116

117 final String localeID = Utils.getCurrentLocaleID();

118 OnlineGlomServiceAsync.Util.getInstance().getListViewLayout(documentID, tableName, localeID, callback);

119

120 // TODO: Avoid the code duplication with DetailsActivity.

121 // set the change handler for the quickfind text widget

122 eventBus.addHandler(QuickFindChangeEvent.TYPE, new QuickFindChangeEventHandler() {

123 @Override

124 public void onQuickFindChange(final QuickFindChangeEvent event) {

125 // We switch to the List view, to show search results.

126 // TODO: Show the details view if there is only one result.

127 goTo(new ListPlace(documentID, tableName, event.getNewQuickFindText()));

128 }

129 });

130

131 // Set the change handler for the table selection widget

132 eventBus.addHandler(LocaleChangeEvent.TYPE, new LocaleChangeEventHandler() {

133 @Override

134 public void onLocaleChange(final LocaleChangeEvent event) {

135 // note the empty primary key item

136 goTo(new ListPlace(documentID, tableName, quickFind));

137 }

138 });

139

140 // indicate that the view is ready to be displayed

141 panel.setWidget(listView.asWidget());

142 }

143

144 private void setUpAuthClickHandler(final EventBus eventBus) {

145 authenticationPopup.setClickOkHandler(new ClickHandler() {

146 @Override

147 public void onClick(final ClickEvent event) {

148 authenticationPopup.setTextFieldsEnabled(false);

149 final AsyncCallback<Boolean> callback = new AsyncCallback<Boolean>() {

150 @Override

151 public void onFailure(final Throwable caught) {

152 // TODO: create a way to notify users of asynchronous callback failures

153 GWT.log("AsyncCallback Failed: OnlineGlomService.checkAuthentication()");

154 }

155

156 @Override

157 public void onSuccess(final Boolean result) {

158 if (result) {

159 authenticationPopup.hide();

160 eventBus.fireEvent(new TableChangeEvent(clientFactory.getTableSelectionView()

161 .getSelectedTableName()));

162 } else {

163 authenticationPopup.setTextFieldsEnabled(true);

164 authenticationPopup.setError();

165 }

166 }

167 };

168 OnlineGlomServiceAsync.Util.getInstance().checkAuthentication(documentID,

169 authenticationPopup.getUsername(), authenticationPopup.getPassword(), callback);

170 }

171

172 });

173 }

174

175 private void clearView() {

176 authenticationPopup.hide();

177 authenticationPopup.clear();

178 listView.clear();

179 }

180

181 /*

182 * (non-Javadoc)

183 *

184 * @see com.google.gwt.activity.shared.AbstractActivity#onCancel()

185 */

186 @Override

187 public void onCancel() {

188 clearView();

189 }

190

191 /*

192 * (non-Javadoc)

193 *

194 * @see com.google.gwt.activity.shared.AbstractActivity#onStop()

195 */

196 @Override

197 public void onStop() {

198 clearView();

199 }

200

201 /*

202 * (non-Javadoc)

203 *

204 * @see org.glom.web.client.ui.View.Presenter#goTo(com.google.gwt.place.shared.Place)

205 */

206 @Override

207 public void goTo(final Place place) {

208 clientFactory.getPlaceController().goTo(place);

209 }

210

211 }