package info.magnolia.ui.contentapp.browser;
   
   import info.magnolia.ui.contentapp.Datasource;
   
   import java.util.function.Predicate;
   
   import com.vaadin.ui.Grid;
   
   /**
   * Functionality common to Magnolia-specific {@link com.vaadin.ui.Grid} implementations.
   * @param <T>
   */
  class MagnoliaGridDecoration<T> {
  
      private final Grid<T> grid;
      private Predicate<T> itemInteractionAvailability;
      private Datasource<T> datasource;
  
      private MagnoliaGridDecoration(Grid<T> grid,
                             Predicate<T> itemInteractionAvailability,
                             Datasource<T> datasource) {
          this.itemInteractionAvailability = itemInteractionAvailability;
          this.datasource = datasource;
          this.grid = grid;
      }
  
      static <T> void addCommonConfiguration(Grid<T> grid,
                                         Predicate<T> itemInteractionAvailability,
                                         Datasource<T> datasource) {
          grid.getEditor().addOpenListener(e -> {
              if (!itemInteractionAvailability.test(e.getBean())) {
                  grid.getEditor().cancel();
                  grid.getDataProvider().refreshAll();
              }
          });
  
          grid.getEditor().addSaveListener(event -> datasource.commit(event.getBean()));
  
          grid.addSelectionListener(e -> e.getAllSelectedItems().forEach(item -> {
              if (!itemInteractionAvailability.test(item)) {
                  grid.deselect(item);
              }
          }));
      }
  
  }