gitorious.org Git - online-glom:gwt-glom.git/blob - src/main/java/org/glom/web/client/OnlineGlom.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;

21

22 import org.glom.web.client.mvp.AppPlaceHistoryMapper;

23 import org.glom.web.client.mvp.DataActivityMapper;

24 import org.glom.web.client.mvp.DocumentSelectionActivityMapper;

25 import org.glom.web.client.mvp.TableSelectionActivityMapper;

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

27

28 import com.google.gwt.activity.shared.ActivityManager;

29 import com.google.gwt.activity.shared.ActivityMapper;

30 import com.google.gwt.core.client.EntryPoint;

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

32 import com.google.gwt.dom.client.Style.Overflow;

33 import com.google.gwt.dom.client.Style.Unit;

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

35 import com.google.gwt.place.shared.PlaceController;

36 import com.google.gwt.place.shared.PlaceHistoryHandler;

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

38 import com.google.gwt.user.client.ui.FlowPanel;

39 import com.google.gwt.user.client.ui.IsWidget;

40 import com.google.gwt.user.client.ui.LayoutPanel;

41 import com.google.gwt.user.client.ui.RootLayoutPanel;

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

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

44 import com.google.web.bindery.event.shared.EventBus;

45

46 /**

47 * Entry point classes define <code>onModuleLoad()</code>.

48 */

49 public class OnlineGlom implements EntryPoint {

50

51 /*

52 * Some of these are protected, rather than private, so that GwtTestOnlineGlom can access them.

53 */

54 private Place defaultPlace = new DocumentSelectionPlace();

55

56 private LayoutPanel rootLayoutPanel = RootLayoutPanel.get();

57 private FlowPanel layoutPanel = new FlowPanel();

58 protected SimplePanel docSelectionPanel = new SimplePanel();

59 protected SimplePanel dataPanel = new SimplePanel();

60 protected SimplePanel tableSelectionPanel = new SimplePanel();

61

62 protected ClientFactory clientFactory;

63

64 AcceptsOneWidget docSelectionDisplay = new AcceptsOneWidget() {

65 @Override

66 public void setWidget(final IsWidget activityWidget) {

67 final Widget widget = Widget.asWidgetOrNull(activityWidget);

68 docSelectionPanel.setVisible(widget != null);

69 docSelectionPanel.setWidget(widget);

70 }

71 };

72

73 AcceptsOneWidget dataDisplay = new AcceptsOneWidget() {

74 @Override

75 public void setWidget(final IsWidget activityWidget) {

76 final Widget widget = Widget.asWidgetOrNull(activityWidget);

77 dataPanel.setVisible(widget != null);

78 dataPanel.setWidget(widget);

79 }

80 };

81

82 AcceptsOneWidget tableSelectionDisplay = new AcceptsOneWidget() {

83 @Override

84 public void setWidget(final IsWidget activityWidget) {

85 final Widget widget = Widget.asWidgetOrNull(activityWidget);

86 tableSelectionPanel.setVisible(widget != null);

87 tableSelectionPanel.setWidget(widget);

88 }

89 };

90

91 /**

92 * This is the entry point method.

93 */

94 @Override

95 public void onModuleLoad() {

96

97 rootLayoutPanel.add(layoutPanel);

98 rootLayoutPanel.setWidgetVisible(layoutPanel, true);

99

100 // TODO This value should really come from the css for the body tag but reading the value using

101 // RootPanel.getBodyElement().getStyle().getMargin() doesn't seem to be working.

102 layoutPanel.getElement().getStyle().setMargin(1, Unit.EM);

103

104 // add the display regions to the main layout panel

105 layoutPanel.add(docSelectionPanel);

106 layoutPanel.add(tableSelectionPanel);

107 layoutPanel.add(dataPanel);

108

109 // set some properties for the display regions

110 // The 'overflow: visible' adds a horizontal scrollbar when the content is larger than the browser window.

111 // TODO: It would be better to just have the regular browser scrollbars, but for some reason they

112 // are not shown.

113 rootLayoutPanel.getWidgetContainerElement(layoutPanel).getStyle().setOverflow(Overflow.VISIBLE);

114

115 // hide the display regions for the list and details places because they are not shown by default

116 tableSelectionPanel.setVisible(false);

117 dataPanel.setVisible(false);

118

119 // We might, in future, use different ClientFactory implementations to create different views

120 // for different browser types (such as mobile), so we use GWT.create() to have deferred binding.

121 // See http://code.google.com/webtoolkit/doc/latest/DevGuideMvpActivitiesAndPlaces.html

122 // which describes how to do this via our OnlineGlom.gwt.xml file.

123 clientFactory = GWT.create(ClientFactory.class);

124 final EventBus eventBus = clientFactory.getEventBus();

125 final PlaceController placeController = clientFactory.getPlaceController();

126

127 // Activity manager for the data display region (list or details view).

128 final ActivityMapper dataActivityMapper = new DataActivityMapper(clientFactory);

129 final ActivityManager dataActivityManager = new ActivityManager(dataActivityMapper, eventBus);

130 dataActivityManager.setDisplay(dataDisplay);

131

132 // Activity manager for the document selection display region.

133 final ActivityMapper docSelectionActivityMapper = new DocumentSelectionActivityMapper(clientFactory);

134 final ActivityManager docSelectionActivityManager = new ActivityManager(docSelectionActivityMapper, eventBus);

135 docSelectionActivityManager.setDisplay(docSelectionDisplay);

136

137 // Activity manager for the table selection display region.

138 final ActivityMapper tableSelectionActivityMapper = new TableSelectionActivityMapper(clientFactory);

139 final ActivityManager tableSelectionActivityManager = new ActivityManager(tableSelectionActivityMapper,

140 eventBus);

141 tableSelectionActivityManager.setDisplay(tableSelectionDisplay);

142

143 // Start PlaceHistoryHandler with our PlaceHistoryMapper.

144 final AppPlaceHistoryMapper historyMapper = GWT.create(AppPlaceHistoryMapper.class);

145 final PlaceHistoryHandler historyHandler = new PlaceHistoryHandler(historyMapper);

146 historyHandler.register(placeController, eventBus, defaultPlace);

147

148 // Goes to the place represented on the URL or the default place.

149 historyHandler.handleCurrentHistory();

150 }

151 }