2 * Copyright (C) 2011 Openismus GmbH
4 * This file is part of GWT-Glom.
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.
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
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/>.
20 package org.glom.web.client.activity;
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.QuickFindChangeEvent;
28 import org.glom.web.client.event.TableChangeEvent;
29 import org.glom.web.client.place.DetailsPlace;
30 import org.glom.web.client.place.HasRecordsPlace;
31 import org.glom.web.client.place.HasTablePlace;
32 import org.glom.web.client.place.ListPlace;
33 import org.glom.web.client.place.ReportPlace;
34 import org.glom.web.client.ui.TableSelectionView;
35 import org.glom.web.client.ui.View;
36 import org.glom.web.shared.DocumentInfo;
37 import org.glom.web.shared.Reports;
39 import com.google.gwt.activity.shared.AbstractActivity;
40 import com.google.gwt.core.client.GWT;
41 import com.google.gwt.event.dom.client.ChangeEvent;
42 import com.google.gwt.event.dom.client.ChangeHandler;
43 import com.google.gwt.event.dom.client.HasChangeHandlers;
44 import com.google.gwt.event.shared.EventBus;
45 import com.google.gwt.event.shared.HandlerRegistration;
46 import com.google.gwt.i18n.client.LocaleInfo;
47 import com.google.gwt.place.shared.Place;
48 import com.google.gwt.user.client.Window;
49 import com.google.gwt.user.client.rpc.AsyncCallback;
50 import com.google.gwt.user.client.ui.AcceptsOneWidget;
55 public class TableSelectionActivity extends AbstractActivity implements View.Presenter {
56 private final ClientFactory clientFactory;
57 private String documentID;
58 private String documentTitle;
59 private String tableName;
60 private String quickFind;
61 private String reportName;
62 private HandlerRegistration tableChangeHandlerRegistration = null;
63 private HandlerRegistration quickFindChangeHandlerRegistration = null;
64 private HandlerRegistration localeChangeHandlerRegistration = null;
65 private HandlerRegistration reportChangeHandlerRegistration = null;
67 // This activity isn't properly configured until the List or Details Place is set with the appropriate methods
68 public TableSelectionActivity(final ClientFactory clientFactory) {
69 this.clientFactory = clientFactory;
73 * Invoked by the ActivityManager to start a new Activity
76 public void start(final AcceptsOneWidget containerWidget, final EventBus eventBus) {
78 final TableSelectionView tableSelectionView = clientFactory.getTableSelectionView();
79 tableSelectionView.setPresenter(this);
81 // For table changes with the tableSelector:
82 final HasChangeHandlers tableSelector = tableSelectionView.getTableSelector();
83 tableChangeHandlerRegistration = tableSelector.addChangeHandler(new ChangeHandler() {
85 public void onChange(final ChangeEvent event) {
86 // Fire a table change event so that other views (e.g. the details view) know about the change and can
88 eventBus.fireEvent(new TableChangeEvent(tableSelectionView.getSelectedTableName()));
90 // Update the browser title because there's place change and the setPlace() method will not be called.
91 Window.setTitle(documentTitle + ": " + tableSelectionView.getSelectedTableTitle());
95 // For quick find changes with the quick find box:
96 final HasChangeHandlers quickFindBox = tableSelectionView.getQuickFindBox();
97 quickFindChangeHandlerRegistration = quickFindBox.addChangeHandler(new ChangeHandler() {
99 public void onChange(final ChangeEvent event) {
100 // Fire a quickfind change event so that other views (e.g. the details view) know about the change and
102 // update themselves.
103 eventBus.fireEvent(new QuickFindChangeEvent(tableSelectionView.getQuickFindText()));
105 // Update the browser title because there's place change and the setPlace() method will not be called.
106 // TODO? Window.setTitle(documentTitle + ": " + tableSelectionView.getSelectedTableTitle());
110 // For locale changes with the localeSelector:
111 final HasChangeHandlers localeSelector = tableSelectionView.getLocaleSelector();
112 localeChangeHandlerRegistration = localeSelector.addChangeHandler(new ChangeHandler() {
114 public void onChange(final ChangeEvent event) {
115 // Show the translated version of the document title and the table names:
116 final String localeID = tableSelectionView.getSelectedLocale();
117 fillView(tableSelectionView);
119 final String newURL = Window.Location.createUrlBuilder()
120 .setParameter(LocaleInfo.getLocaleQueryParam(), localeID).buildString();
121 Window.Location.assign(newURL);
123 // Fire a locale change event so that other views (e.g. the details view) know about the change and can
124 // update themselves.
125 eventBus.fireEvent(new LocaleChangeEvent(localeID));
129 // For report choices with the reportSelector:
130 final HasChangeHandlers reportSelector = tableSelectionView.getReportSelector();
131 reportChangeHandlerRegistration = reportSelector.addChangeHandler(new ChangeHandler() {
133 public void onChange(final ChangeEvent event) {
134 goTo(new ReportPlace(documentID, tableName, tableSelectionView.getSelectedReport(), quickFind));
138 fillView(tableSelectionView);
140 // we're done, set the widget
141 containerWidget.setWidget(tableSelectionView.asWidget());
144 private void fillView(final TableSelectionView tableSelectionView) {
145 // get the table names, table titles and default table index for the current document
146 final AsyncCallback<DocumentInfo> callback = new AsyncCallback<DocumentInfo>() {
148 public void onFailure(final Throwable caught) {
149 // TODO: create a way to notify users of asynchronous callback failures
150 GWT.log("AsyncCallback Failed: OnlineGlomService.getDocumentInfo()");
154 public void onSuccess(final DocumentInfo result) {
155 tableSelectionView.setTableSelection(result.getTableNames(), result.getTableTitles());
157 if (StringUtils.isEmpty(tableName)) {
158 tableName = result.getTableNames().get(result.getDefaultTableIndex());
161 tableSelectionView.setSelectedTableName(tableName);
163 tableSelectionView.setLocaleList(result.getLocaleIDs(), result.getLocaleTitles());
165 final String localeID = Utils.getCurrentLocaleID();
166 tableSelectionView.setSelectedLocale(localeID);
168 documentTitle = result.getTitle();
169 tableSelectionView.setDocumentTitle(documentTitle);
170 Window.setTitle(documentTitle + ": " + tableSelectionView.getSelectedTableTitle());
173 final String localeID = Utils.getCurrentLocaleID();
174 OnlineGlomServiceAsync.Util.getInstance().getDocumentInfo(documentID, localeID, callback);
176 // get the reports list for the current table:
177 final AsyncCallback<Reports> callback_report = new AsyncCallback<Reports>() {
179 public void onFailure(final Throwable caught) {
180 // TODO: create a way to notify users of asynchronous callback failures
181 GWT.log("AsyncCallback Failed: OnlineGlomService.getReportsList()");
185 public void onSuccess(final Reports result) {
186 tableSelectionView.setReportList(result);
188 // Show the selected report name again:
189 // TODO: Avoid duplication in ReportActivity.
190 tableSelectionView.setSelectedReport(reportName);
193 OnlineGlomServiceAsync.Util.getInstance().getReportsList(documentID, tableName, localeID, callback_report);
195 // Show the quickFind text that was specified by the URL token:
196 tableSelectionView.setQuickFindText(quickFind);
199 // This method will be called before the {@link TableSelectionActivity#start(AcceptsOneWidget, EventBus)} method and
200 // any time the Place changes after the start method has been called.
201 public void setPlace(final HasTablePlace place) {
202 documentID = place.getDocumentID();
203 tableName = place.getTableName();
206 final HasRecordsPlace asPlace = (HasRecordsPlace) place;
207 quickFind = asPlace.getQuickFind();
208 } catch (final ClassCastException ex) {
212 final TableSelectionView tableSelectionView = clientFactory.getTableSelectionView();
214 // show the 'back to list' link if we're at a DetailsPlace, hide it otherwise
215 if (place instanceof DetailsPlace) {
216 tableSelectionView.setBackLinkVisible(true);
217 tableSelectionView.setBackLink(documentID, tableName, ""); // TODO: quickfind?
218 } else if (place instanceof ListPlace) {
219 tableSelectionView.setBackLinkVisible(false);
222 if (place instanceof ReportPlace) {
223 reportName = ((ReportPlace)place).getReportName();
226 fillView(tableSelectionView);
229 private void clearView() {
230 clientFactory.getTableSelectionView().clear();
232 if (tableChangeHandlerRegistration != null) {
233 tableChangeHandlerRegistration.removeHandler();
234 tableChangeHandlerRegistration = null;
237 if (quickFindChangeHandlerRegistration != null) {
238 quickFindChangeHandlerRegistration.removeHandler();
239 quickFindChangeHandlerRegistration = null;
242 if (localeChangeHandlerRegistration != null) {
243 localeChangeHandlerRegistration.removeHandler();
244 localeChangeHandlerRegistration = null;
247 if (reportChangeHandlerRegistration != null) {
248 reportChangeHandlerRegistration.removeHandler();
249 reportChangeHandlerRegistration = null;
256 * @see com.google.gwt.activity.shared.AbstractActivity#onCancel()
259 public void onCancel() {
266 * @see com.google.gwt.activity.shared.AbstractActivity#onStop()
269 public void onStop() {
276 * @see org.glom.web.client.ui.View.Presenter#goTo(com.google.gwt.place.shared.Place)
279 public void goTo(final Place place) {
280 clientFactory.getPlaceController().goTo(place);