Cleanup by Eclipse: Add parentheses.
[online-glom:gwt-glom.git] / src / main / java / org / glom / web / client / activity / ReportActivity.java
1 /*
2  * Copyright (C) 2011 Openismus GmbH
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.TableChangeEvent;
27 import org.glom.web.client.place.DocumentSelectionPlace;
28 import org.glom.web.client.place.ReportPlace;
29 import org.glom.web.client.ui.AuthenticationPopup;
30 import org.glom.web.client.ui.OnlineGlomConstants;
31 import org.glom.web.client.ui.ReportView;
32 import org.glom.web.client.ui.TableSelectionView;
33 import org.glom.web.client.ui.View;
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 ReportActivity extends AbstractActivity implements View.Presenter {
45
46         private final String documentID;
47         private final String tableName;
48         private final String reportName;
49         private final String quickFind;
50         private final ClientFactory clientFactory;
51         private final ReportView reportView;
52         private final AuthenticationPopup authenticationPopup;
53
54         // OnlineGlomConstants.java is generated in the target/ directory,
55         // from OnlineGlomConstants.properties
56         // by the gwt-maven-plugin's i18n (mvn:i18n) goal.
57         private OnlineGlomConstants constants = GWT.create(OnlineGlomConstants.class);
58
59         public ReportActivity(final ReportPlace place, final ClientFactory clientFactory) {
60                 this.documentID = place.getDocumentID(); // TODO: Just store the place?
61                 this.tableName = place.getTableName();
62                 this.quickFind = place.getQuickFind();
63                 this.reportName = place.getReportName();
64                 this.clientFactory = clientFactory;
65                 reportView = clientFactory.getReportView();
66                 authenticationPopup = clientFactory.getAuthenticationPopup();
67         }
68
69         @Override
70         public void start(final AcceptsOneWidget panel, final EventBus eventBus) {
71                 if (StringUtils.isEmpty(documentID)) {
72                         goTo(new DocumentSelectionPlace());
73                 }
74
75                 // register this class as the presenter
76                 reportView.setPresenter(this);
77
78                 // TODO this should really be it's own Place/Activity
79                 // check if the authentication info has been set for the document
80                 final AsyncCallback<Boolean> isAuthCallback = new AsyncCallback<Boolean>() {
81                         @Override
82                         public void onFailure(final Throwable caught) {
83                                 // TODO: create a way to notify users of asynchronous callback failures
84                                 GWT.log("AsyncCallback Failed: OnlineGlomService.isAuthenticated(): " + caught.getMessage());
85                         }
86
87                         @Override
88                         public void onSuccess(final Boolean result) {
89                                 if (!result) {
90                                         setUpAuthClickHandler(eventBus);
91                                         authenticationPopup.center();
92                                 }
93                         }
94                 };
95                 OnlineGlomServiceAsync.Util.getInstance().isAuthenticated(documentID, isAuthCallback);
96
97                 // populate the report part:
98                 final AsyncCallback<String> callback = new AsyncCallback<String>() {
99                         @Override
100                         public void onFailure(final Throwable caught) {
101                                 // TODO: create a way to notify users of asynchronous callback failures
102                                 GWT.log("AsyncCallback Failed: OnlineGlomService.getReportHTML(): " + caught.getMessage());
103                         }
104
105                         @Override
106                         public void onSuccess(final String result) {
107                                 reportView.setReportHTML(result);
108                         }
109                 };
110
111                 final TableSelectionView tableSelectionView = clientFactory.getTableSelectionView();
112                 tableSelectionView.setSelectedReport(reportName);
113
114                 reportView.setWaitingText(constants.generatingReport()); // This is cleared by setReportHTML().
115                 final String localeID = Utils.getCurrentLocaleID();
116                 OnlineGlomServiceAsync.Util.getInstance().getReportHTML(documentID, tableName, reportName, quickFind, localeID,
117                                 callback);
118
119                 // indicate that the view is ready to be displayed
120                 panel.setWidget(reportView.asWidget());
121         }
122
123         private void setUpAuthClickHandler(final EventBus eventBus) {
124                 authenticationPopup.setClickOkHandler(new ClickHandler() {
125                         @Override
126                         public void onClick(final ClickEvent event) {
127                                 authenticationPopup.setTextFieldsEnabled(false);
128                                 final AsyncCallback<Boolean> callback = new AsyncCallback<Boolean>() {
129                                         @Override
130                                         public void onFailure(final Throwable caught) {
131                                                 // TODO: create a way to notify users of asynchronous callback failures
132                                                 GWT.log("AsyncCallback Failed: OnlineGlomService.checkAuthentication(): " + caught.getMessage());
133                                         }
134
135                                         @Override
136                                         public void onSuccess(final Boolean result) {
137                                                 if (result) {
138                                                         authenticationPopup.hide();
139                                                         eventBus.fireEvent(new TableChangeEvent(clientFactory.getTableSelectionView()
140                                                                         .getSelectedTableName()));
141                                                 } else {
142                                                         authenticationPopup.setTextFieldsEnabled(true);
143                                                         authenticationPopup.setError();
144                                                 }
145                                         }
146                                 };
147                                 OnlineGlomServiceAsync.Util.getInstance().checkAuthentication(documentID,
148                                                 authenticationPopup.getUsername(), authenticationPopup.getPassword(), callback);
149                         }
150
151                 });
152         }
153
154         private void clearView() {
155                 authenticationPopup.hide();
156                 authenticationPopup.clear();
157                 reportView.clear();
158         }
159
160         /*
161          * (non-Javadoc)
162          * 
163          * @see com.google.gwt.activity.shared.AbstractActivity#onCancel()
164          */
165         @Override
166         public void onCancel() {
167                 clearView();
168         }
169
170         /*
171          * (non-Javadoc)
172          * 
173          * @see com.google.gwt.activity.shared.AbstractActivity#onStop()
174          */
175         @Override
176         public void onStop() {
177                 clearView();
178         }
179
180         /*
181          * (non-Javadoc)
182          * 
183          * @see org.glom.web.client.ui.View.Presenter#goTo(com.google.gwt.place.shared.Place)
184          */
185         @Override
186         public void goTo(final Place place) {
187                 clientFactory.getPlaceController().goTo(place);
188         }
189
190 }