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.event.LocaleChangeEvent;

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

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

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

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

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

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

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

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

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

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

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

36

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

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

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

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

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

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

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

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

45

46 public class ListActivity extends AbstractActivity implements View.Presenter {

47

48 private final String documentID;

49 private final String tableName;

50 private final String localeID;

51 private final String quickFind;

52 private final ClientFactory clientFactory;

53 private final ListView listView;

54 private final AuthenticationPopup authenticationPopup;

55

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

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

58 this.tableName = place.getTableName();

59 this.localeID = place.getLocaleID();

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 (documentID.isEmpty())

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(), localeID, ""));

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, localeID, quickFind);

114 }

115 };

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

117

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

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

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

121 @Override

122 public void onQuickFindChange(final QuickFindChangeEvent event) {

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

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

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

126 }

127 });

128

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

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

131 @Override

132 public void onLocaleChange(final LocaleChangeEvent event) {

133 // note the empty primary key item

134 goTo(new ListPlace(documentID, tableName, event.getNewLocaleID(), quickFind));

135 }

136 });

137

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

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

140 }

141

142 private void setUpAuthClickHandler(final EventBus eventBus) {

143 authenticationPopup.setClickOkHandler(new ClickHandler() {

144 @Override

145 public void onClick(final ClickEvent event) {

146 authenticationPopup.setTextFieldsEnabled(false);

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

148 @Override

149 public void onFailure(final Throwable caught) {

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

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

152 }

153

154 @Override

155 public void onSuccess(final Boolean result) {

156 if (result) {

157 authenticationPopup.hide();

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

159 .getSelectedTableName()));

160 } else {

161 authenticationPopup.setTextFieldsEnabled(true);

162 authenticationPopup.setError();

163 }

164 }

165 };

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

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

168 }

169

170 });

171 }

172

173 private void clearView() {

174 authenticationPopup.hide();

175 authenticationPopup.clear();

176 listView.clear();

177 }

178

179 /*

180 * (non-Javadoc)

181 *

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

183 */

184 @Override

185 public void onCancel() {

186 clearView();

187 }

188

189 /*

190 * (non-Javadoc)

191 *

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

193 */

194 @Override

195 public void onStop() {

196 clearView();

197 }

198

199 /*

200 * (non-Javadoc)

201 *

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

203 */

204 @Override

205 public void goTo(final Place place) {

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

207 }

208

209 }