Examples with DataProvider com.vaadin.data.provider.DataProvider used on opensource projects

Example 1 with DataProvider

use of com.vaadin.data.provider.DataProvider in project opencms-core by alkacon.

the class CmsUserEditDialog method iniRole.

/**
 * Initialized the role ComboBox. (Vaadin 8 version)<p>
 *
 * @param cms CmsObject
 * @param ou to load roles for
 * @param roleComboBox ComboBox
 * @param log LOG
 */
protected static void iniRole(CmsObject cms, String ou, com.vaadin.ui.ComboBox<CmsRole> roleComboBox, Log log) {
    try {
        List<CmsRole> roles = OpenCms.getRoleManager().getRoles(cms, ou, false);
        CmsRole.applySystemRoleOrder(roles);
        DataProvider provider = new ListDataProvider<CmsRole>(roles);
        roleComboBox.setDataProvider(provider);
        roleComboBox.setItemCaptionGenerator(role -> {
            try {
                return role.getDisplayName(cms, A_CmsUI.get().getLocale());
            } catch (CmsException e) {
                return "";
            }
        });
        roleComboBox.setEmptySelectionAllowed(false);
    } catch (CmsException e) {
        if (log != null) {
            log.error("Unable to read roles.", e);
        }
    }
}

Example 2 with DataProvider

use of com.vaadin.data.provider.DataProvider in project SORMAS-Project by hzi-braunschweig.

the class EventSelectionGrid method setLazyDataProvider.

public void setLazyDataProvider() {
    DataProvider<EventIndexDto, EventCriteria> dataProvider = DataProvider.fromFilteringCallbacks(query -> FacadeProvider.getEventFacade().getIndexList(query.getFilter().orElse(null), query.getOffset(), query.getLimit(), query.getSortOrders().stream().map(sortOrder -> new SortProperty(sortOrder.getSorted(), sortOrder.getDirection() == SortDirection.ASCENDING)).collect(Collectors.toList())).stream(), query -> (int) FacadeProvider.getEventFacade().count(query.getFilter().orElse(null)));
    setDataProvider(dataProvider);
    setSelectionMode(com.vaadin.ui.Grid.SelectionMode.NONE);
    EventSelectionGrid tempGrid = this;
    dataProvider.addDataProviderListener((DataProviderListener<EventIndexDto>) dataChangeEvent -> {
        if (tempGrid.getItemCount() > 0) {
            tempGrid.setHeightByRows(Math.min(tempGrid.getItemCount(), 5));
        } else {
            tempGrid.setHeightByRows(1);
        }
    });
}

Example 3 with DataProvider

use of com.vaadin.data.provider.DataProvider in project SORMAS-Project by hzi-braunschweig.

the class EventGroupSelectionGrid method setLazyDataProvider.

public void setLazyDataProvider() {
    DataProvider<EventGroupIndexDto, EventGroupCriteria> dataProvider = DataProvider.fromFilteringCallbacks(query -> FacadeProvider.getEventGroupFacade().getIndexList(query.getFilter().orElse(null), query.getOffset(), query.getLimit(), query.getSortOrders().stream().map(sortOrder -> new SortProperty(sortOrder.getSorted(), sortOrder.getDirection() == SortDirection.ASCENDING)).collect(Collectors.toList())).stream(), query -> (int) FacadeProvider.getEventGroupFacade().count(query.getFilter().orElse(null)));
    setDataProvider(dataProvider);
    setSelectionMode(SelectionMode.NONE);
    EventGroupSelectionGrid tempGrid = this;
    dataProvider.addDataProviderListener((DataProviderListener<EventGroupIndexDto>) dataChangeEvent -> {
        if (tempGrid.getItemCount() > 0) {
            tempGrid.setHeightByRows(Math.min(tempGrid.getItemCount(), 5));
        } else {
            tempGrid.setHeightByRows(1);
        }
    });
}