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.QuickFindChangeEvent;

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

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

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

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

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

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

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

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

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

34

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

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

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

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

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

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

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

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

43

44 public class ListActivity extends AbstractActivity implements View.Presenter {

45

46 private final String documentID;

47 private final String tableName;

48 private final String localeID;

49 private final String quickFind;

50 private final ClientFactory clientFactory;

51 private final ListView listView;

52 private final AuthenticationPopup authenticationPopup;

53

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

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

56 this.tableName = place.getTableName();

57 this.localeID = place.getLocaleID();

58 this.quickFind = place.getQuickFind();

59 this.clientFactory = clientFactory;

60 listView = clientFactory.getListView();

61 authenticationPopup = clientFactory.getAuthenticationPopup();

62 }

63

64 @Override

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

66 if (documentID.isEmpty())

67 goTo(new DocumentSelectionPlace());

68

69 // register this class as the presenter

70 listView.setPresenter(this);

71

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

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

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

75 @Override

76 public void onFailure(final Throwable caught) {

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

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

79 }

80

81 @Override

82 public void onSuccess(final Boolean result) {

83 if (!result) {

84 setUpAuthClickHandler(eventBus);

85 authenticationPopup.center();

86 }

87 }

88 };

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

90

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

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

93 @Override

94 public void onTableChange(final TableChangeEvent event) {

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

96 }

97 });

98

99 // populate the cell table with data

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

101 @Override

102 public void onFailure(final Throwable caught) {

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

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

105 }

106

107 @Override

108 public void onSuccess(final LayoutGroup result) {

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

110 // same.

111 listView.setCellTable(documentID, result, localeID, quickFind);

112 }

113 };

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

115

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

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

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

119 @Override

120 public void onQuickFindChange(final QuickFindChangeEvent event) {

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

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

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

124 }

125 });

126

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

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

129 }

130

131 private void setUpAuthClickHandler(final EventBus eventBus) {

132 authenticationPopup.setClickOkHandler(new ClickHandler() {

133 @Override

134 public void onClick(final ClickEvent event) {

135 authenticationPopup.setTextFieldsEnabled(false);

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

137 @Override

138 public void onFailure(final Throwable caught) {

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

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

141 }

142

143 @Override

144 public void onSuccess(final Boolean result) {

145 if (result) {

146 authenticationPopup.hide();

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

148 .getSelectedTableName()));

149 } else {

150 authenticationPopup.setTextFieldsEnabled(true);

151 authenticationPopup.setError();

152 }

153 }

154 };

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

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

157 }

158

159 });

160 }

161

162 private void clearView() {

163 authenticationPopup.hide();

164 authenticationPopup.clear();

165 listView.clear();

166 }

167

168 /*

169 * (non-Javadoc)

170 *

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

172 */

173 @Override

174 public void onCancel() {

175 clearView();

176 }

177

178 /*

179 * (non-Javadoc)

180 *

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

182 */

183 @Override

184 public void onStop() {

185 clearView();

186 }

187

188 /*

189 * (non-Javadoc)

190 *

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

192 */

193 @Override

194 public void goTo(final Place place) {

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

196 }

197

198 }