bug6122: for MarkPropertiesPanel adjust checkbox cell header to all/nothing selection

Author: axeluhl

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/adminconsole/TracTracEventManagementPanel.java

@@ -341,7 +341,6 @@ public int hashCode(TracTracRaceRecordDTO t) {
             @Override
             public Boolean getValue() {
                 return false;
-             
             }};
         selectAllHeader.setUpdater(value -> {
             for (final TracTracRaceRecordDTO race : raceList.getList()) {

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/adminconsole/coursecreation/CourseTemplatePanel.java

@@ -103,12 +103,10 @@ public AbstractCellTable<CourseTemplateDTO> getCellTable() {
         buttonAndFilterPanel.addRemoveAction(stringMessages.remove(), refreshableSelectionModel, true,
                 () -> removeCourseTemplates(refreshableSelectionModel.getSelectedSet().stream()
                         .map(courseTemplateDTO -> courseTemplateDTO.getUuid()).collect(Collectors.toList())));
-
         buttonAndFilterPanel.addUnsecuredWidget(lblFilterRaces);
         buttonAndFilterPanel.addUnsecuredWidget(filterableCourseTemplatePanel);
         filterableCourseTemplatePanel
                 .setUpdatePermissionFilterForCheckbox(event -> userService.hasPermission(event, DefaultActions.UPDATE));
-
     }
 
     private void removeCourseTemplates(Collection<UUID> courseTemplatesUuids) {
@@ -176,7 +174,6 @@ public void onSuccess(List<MarkTemplateDTO> markTemplateDTOs) {
     private void createCourseTemplateTable(final UserService userService) {
         courseTemplateTable = new FlushableCellTable<>(1000, tableResources);
         courseTemplateTable.setWidth("100%");
-
         // Attach a column sort handler to the ListDataProvider to sort the list.
         ListHandler<CourseTemplateDTO> sortHandler = new ListHandler<>(courseTemplateListDataProvider.getList());
         courseTemplateTable.addColumnSortHandler(sortHandler);
@@ -205,7 +202,6 @@ public int hashCode(CourseTemplateDTO t) {
                         return t.getUuid().hashCode();
                     }
                 }, filterableCourseTemplatePanel.getAllListDataProvider(), courseTemplateTable);
-
         checkColumn.setSortable(false);
         CheckboxCell selectAllCell = new CheckboxCell();
         Header<Boolean> selectAllHeader = new Header<Boolean>(selectAllCell) {

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/adminconsole/coursecreation/MarkPropertiesPanel.java

@@ -185,7 +185,7 @@ public int hashCode(MarkPropertiesDTO t) {
                         return t.getUuid().hashCode();
                     }
                 }, filterableMarkProperties.getAllListDataProvider(), markPropertiesTable);
-        CheckboxCell selectAllCell = new CheckboxCell();
+        final CheckboxCell selectAllCell = new CheckboxCell();
         Header<Boolean> selectAllHeader = new Header<Boolean>(selectAllCell) {
             @Override
             public Boolean getValue() {
@@ -199,7 +199,6 @@ public Boolean getValue() {
                     refreshableSelectionModel.setSelected(mp, value);
                 }
             }
-            value = !value;
         });
         markPropertiesTable.addColumn(checkColumn, selectAllHeader);
         markPropertiesTable.setColumnWidth(checkColumn, 40, Unit.PX);
@@ -335,6 +334,13 @@ public void onSuccess(Void result) {
         markPropertiesTable.addColumn(actionsColumn, stringMessages.actions());
         refreshableSelectionModel = checkColumn.getSelectionModel();
         markPropertiesTable.setSelectionModel(checkColumn.getSelectionModel(), checkColumn.getSelectionManager());
+        refreshableSelectionModel.addSelectionChangeHandler(e -> {
+            if (refreshableSelectionModel.getSelectedSet().isEmpty()) {
+                selectAllCell.setViewData(/* key */ selectAllHeader.getValue(), false);
+            } else if (refreshableSelectionModel.getSelectedSet().size() == markPropertiesListDataProvider.getList().size()) {
+                selectAllCell.setViewData(/* key */ selectAllHeader.getValue(), true);
+            }
+        });
     }
 
     public void refreshMarkProperties() {