gitorious.org Git - online-glom:gwt-glom.git/blob - src/main/java/org/glom/web/client/activity/DetailsActivity.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 java.util.ArrayList;

23

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

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

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

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

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

29 import org.glom.web.client.ui.DetailsView;

30 import org.glom.web.client.ui.details.Field;

31 import org.glom.web.client.ui.details.Portal;

32 import org.glom.web.client.ui.details.RelatedListTable;

33 import org.glom.web.shared.DetailsLayoutAndData;

34 import org.glom.web.shared.DataItem;

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

36 import org.glom.web.shared.layout.LayoutItemField;

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

38

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

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

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

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

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

44

45 /**

46 * @author Ben Konrath <ben@bagu.org>

47 */

48 public class DetailsActivity extends AbstractActivity implements DetailsView.Presenter {

49 private final String documentID;

50 private final String tableName;

51 private final String primaryKeyValue;

52 private final ClientFactory clientFactory;

53 private final DetailsView detailsView;

54

55 ArrayList<Field> fields;

56 ArrayList<Portal> portals;

57

58 public DetailsActivity(DetailsPlace place, ClientFactory clientFactory) {

59 this.documentID = place.getDocumentID();

60 this.tableName = place.getTableName();

61 this.primaryKeyValue = place.getPrimaryKeyValue();

62 this.clientFactory = clientFactory;

63 detailsView = clientFactory.getDetailsView();

64 }

65

66 /*

67 * (non-Javadoc)

68 *

69 * @see com.google.gwt.activity.shared.Activity#start(com.google.gwt.user.client.ui.AcceptsOneWidget,

70 * com.google.gwt.event.shared.EventBus)

71 */

72 @Override

73 public void start(AcceptsOneWidget panel, EventBus eventBus) {

74 // register this class as the presenter

75 detailsView.setPresenter(this);

76

77 // TODO here's where we should check for database authentication - see ListActivity.start() for how to do this

78

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

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

81 @Override

82 public void onTableChange(final TableChangeEvent event) {

83 goTo(new DetailsPlace(documentID, event.getTableName(), ""));

84 }

85 });

86

87 // get the layout and data for the DetailsView

88 AsyncCallback<DetailsLayoutAndData> callback = new AsyncCallback<DetailsLayoutAndData>() {

89 public void onFailure(Throwable caught) {

90 // FIXME: need to deal with failure

91 System.out.println("AsyncCallback Failed: OnlineGlomService.getDetailsLayoutAndData()");

92 }

93

94 @Override

95 public void onSuccess(DetailsLayoutAndData result) {

96

97 // create the layout and get the array of layout item fields, data labels and layout item portals

98 for (LayoutGroup layoutGroup : result.getLayout()) {

99 detailsView.addGroup(layoutGroup);

100 }

101 fields = detailsView.getFields();

102 portals = detailsView.getPortals();

103

104 // set the data

105 DataItem[] data = result.getData();

106 if (data == null)

107 return;

108

109 // FIXME create proper client side logging

110 if (data.length != fields.size())

111 System.out.println("Warning: The number of data items doesn't match the number of data fields.");

112

113 for (int i = 0; i < Math.min(fields.size(), data.length); i++) {

114 Field field = fields.get(i);

115 if (data[i] != null) {

116 String dataValue = data[i].getText();

117

118 // set the field data

119 field.setText(dataValue);

120

121 // see if there are any related lists that need to be setup

122 for (Portal portal : portals) {

123 LayoutItemField layoutItemField = field.getLayoutItem();

124 LayoutItemPortal layoutItemPortal = portal.getLayoutItem();

125 if (layoutItemField.getName().equals(layoutItemPortal.getFromField())) {

126 RelatedListTable relatedListTable = new RelatedListTable(documentID, layoutItemPortal,

127 dataValue);

128 portal.setContents(relatedListTable);

129 setRowCountForRelatedListTable(relatedListTable, layoutItemPortal.getName(), dataValue);

130 }

131 }

132 }

133 }

134

135 }

136 };

137 OnlineGlomServiceAsync.Util.getInstance().getDetailsLayoutAndData(documentID, tableName, primaryKeyValue,

138 callback);

139

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

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

142 }

143

144 // sets the row count for the related list table

145 private void setRowCountForRelatedListTable(final RelatedListTable relatedListTable, String relationshipName,

146 String foreignKeyValue) {

147 AsyncCallback<Integer> callback = new AsyncCallback<Integer>() {

148 public void onFailure(Throwable caught) {

149 // FIXME: need to deal with failure

150 System.out.println("AsyncCallback Failed: OnlineGlomService.getRelatedListRowCount()");

151 }

152

153 @Override

154 public void onSuccess(Integer result) {

155 relatedListTable.setRowCount(result.intValue());

156 }

157 };

158

159 OnlineGlomServiceAsync.Util.getInstance().getRelatedListRowCount(documentID, tableName, relationshipName,

160 foreignKeyValue, callback);

161 }

162

163 /*

164 * (non-Javadoc)

165 *

166 * @see com.google.gwt.activity.shared.Activity#onCancel()

167 */

168 @Override

169 public void onCancel() {

170 detailsView.clear();

171 }

172

173 /*

174 * (non-Javadoc)

175 *

176 * @see com.google.gwt.activity.shared.Activity#onStop()

177 */

178 @Override

179 public void onStop() {

180 detailsView.clear();

181 }

182

183 /*

184 * (non-Javadoc)

185 *

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

187 */

188 @Override

189 public void goTo(Place place) {

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

191 }

192

193 }