本文整理了Java中com.vaadin.ui.Grid.getSelectionModel()方法的一些代码示例，展示了Grid.getSelectionModel()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Grid.getSelectionModel()方法的具体详情如下：
包路径：com.vaadin.ui.Grid
类名称：Grid
方法名：getSelectionModel

Grid.getSelectionModel介绍

[英]Returns the selection model for this grid.
[中]返回此网格的选择模型。

代码示例

代码示例来源：origin: com.vaadin/vaadin-server

/**
 * Constructs a MultiSelect wrapper for given Grid.
 *
 * @param grid
 *            the grid to wrap
 */
public GridMultiSelect(Grid<T> grid) {
  GridSelectionModel<T> selectionModel = grid.getSelectionModel();
  if (!(selectionModel instanceof MultiSelectionModel)) {
    throw new IllegalStateException(
        "Grid is not in multiselect mode, it needs to be explicitly set to such with setSelectionModel(MultiSelectionModel) before being able to use multiselection features.");
  }
  model = (MultiSelectionModel<T>) selectionModel;
}

代码示例来源：origin: com.vaadin/vaadin-server

/**
 * Constructs a SingleSelect wrapper for given Grid.
 *
 * @param grid
 *            the grid to wrap
 */
public GridSingleSelect(Grid<T> grid) {
  GridSelectionModel<T> selectionModel = grid.getSelectionModel();
  if (!(selectionModel instanceof SingleSelectionModel)) {
    throw new IllegalStateException(
        "Grid is not in single select mode, it needs to be explicitly set to such with setSelectionModel(SingleSelectionModel) before being able to use single selection features.");
  }
  model = (SingleSelectionModel<T>) selectionModel;
}

代码示例来源：origin: com.vaadin/vaadin-server

private SelectionMode getSelectionMode() {
  GridSelectionModel<T> selectionModel = getSelectionModel();
  SelectionMode mode = null;
  if (selectionModel.getClass().equals(SingleSelectionModelImpl.class)) {
    mode = SelectionMode.SINGLE;
  } else if (selectionModel.getClass()
      .equals(MultiSelectionModelImpl.class)) {
    mode = SelectionMode.MULTI;
  } else if (selectionModel.getClass().equals(NoSelectionModel.class)) {
    mode = SelectionMode.NONE;
  }
  return mode;
}

代码示例来源：origin: com.vaadin/vaadin-server

/**
 * This method is a shorthand that delegates to the currently set selection
 * model.
 *
 * @see #getSelectionModel()
 * @see GridSelectionModel
 */
public void deselect(T item) {
  getSelectionModel().deselect(item);
}

代码示例来源：origin: com.vaadin/vaadin-server

/**
 * This method is a shorthand that delegates to the currently set selection
 * model.
 *
 * @see #getSelectionModel()
 * @see GridSelectionModel
 */
public void deselectAll() {
  getSelectionModel().deselectAll();
}

代码示例来源：origin: com.vaadin/vaadin-server

/**
 * This method is a shorthand that delegates to the currently set selection
 * model.
 *
 * @see #getSelectionModel()
 * @see GridSelectionModel
 */
public Set<T> getSelectedItems() {
  return getSelectionModel().getSelectedItems();
}

代码示例来源：origin: com.vaadin/vaadin-server

/**
 * This method is a shorthand that delegates to the currently set selection
 * model.
 *
 * @see #getSelectionModel()
 * @see GridSelectionModel
 */
public void select(T item) {
  getSelectionModel().select(item);
}

代码示例来源：origin: com.vaadin/vaadin-server

/**
 * Adds a selection listener to the current selection model.
 * <p>
 * <em>NOTE:</em> If selection mode is switched with
 * {@link #setSelectionMode(SelectionMode)}, then this listener is not
 * triggered anymore when selection changes!
 * <p>
 * This is a shorthand for
 * {@code grid.getSelectionModel().addSelectionListener()}. To get more
 * detailed selection events, use {@link #getSelectionModel()} and either
 * {@link SingleSelectionModel#addSingleSelectionListener(SingleSelectionListener)}
 * or
 * {@link MultiSelectionModel#addMultiSelectionListener(MultiSelectionListener)}
 * depending on the used selection mode.
 *
 * @param listener
 *            the listener to add
 * @return a registration handle to remove the listener
 * @throws UnsupportedOperationException
 *             if selection has been disabled with
 *             {@link SelectionMode#NONE}
 */
public Registration addSelectionListener(SelectionListener<T> listener)
    throws UnsupportedOperationException {
  return getSelectionModel().addSelectionListener(listener);
}

代码示例来源：origin: com.vaadin/vaadin-server

private void writeRow(Element container, T item, DesignContext context) {
  Element tableRow = container.appendElement("tr");
  tableRow.attr("item", serializeDeclarativeRepresentation(item));
  if (getSelectionModel().isSelected(item)) {
    tableRow.attr("selected", true);
  }
  for (Column<T, ?> column : getColumns()) {
    Object value = column.valueProvider.apply(item);
    tableRow.appendElement("td")
        .append(Optional.ofNullable(value).map(Object::toString)
            .map(DesignFormatter::encodeForTextNode)
            .orElse(""));
  }
}

代码示例来源：origin: com.vaadin/vaadin-server

getSelectionModel().deselectAll();
List<T> items = new ArrayList<>();
List<T> selectedItems = new ArrayList<>();
selectedItems.forEach(getSelectionModel()::select);

代码示例来源：origin: com.haulmont.cuba/cuba-web

@Nullable
@Override
public E getSingleSelected() {
  return component.getSelectionModel()
      .getFirstSelectedItem()
      .orElse(null);
}

代码示例来源：origin: com.haulmont.cuba/cuba-web

@SuppressWarnings("unchecked")
protected void setSelectedItems(Collection<E> items) {
  switch (selectionMode) {
    case SINGLE:
      if (items.size() > 0) {
        E item = items.iterator().next();
        component.getSelectionModel().select(item);
      } else {
        component.deselectAll();
      }
      break;
    case MULTI:
    case MULTI_CHECK:
      component.deselectAll();
      ((SelectionModel.Multi) component.getSelectionModel()).selectItems(items.toArray());
      break;
    default:
      throw new UnsupportedOperationException("Unsupported selection mode");
  }
}

代码示例来源：origin: com.haulmont.cuba/cuba-web

@Override
public void selectAll() {
  if (isMultiSelect()) {
    ((SelectionModel.Multi) component.getSelectionModel()).selectAll();
  }
}

代码示例来源：origin: com.holon-platform.vaadin/holon-vaadin

@Override
public void selectAll() {
  if (selectionMode == SelectionMode.MULTI) {
    ((Multi<?>) getGrid().getSelectionModel()).selectAll();
  }
}

代码示例来源：origin: com.holon-platform.vaadin/holon-vaadin

@Override
public Optional<T> getFirstSelectedItem() {
  if (getSelectionMode() == SelectionMode.NONE) {
    return Optional.empty();
  }
  return getGrid().getSelectionModel().getFirstSelectedItem();
}

代码示例来源：origin: com.holon-platform.vaadin/holon-vaadin

@Override
public boolean isDeselectAllowed() {
  if (getSelectionMode() == SelectionMode.SINGLE) {
    ((Single<?>) getGrid().getSelectionModel()).isDeselectAllowed();
  }
  return true;
}

代码示例来源：origin: info.magnolia.ui/magnolia-ui-admincentral

public MultiSelectionModel getMultiSelectionModel() {
    if (getGrid().getSelectionModel() instanceof MultiSelectionModel) {
      return ((MultiSelectionModel) getGrid().getSelectionModel());
    }
    throw new IllegalStateException("Not a MultiSelectionModel. Was selecting all items enabled?");
  }
}

代码示例来源：origin: com.holon-platform.vaadin/holon-vaadin

@Override
public void setDeselectAllowed(boolean deselectAllowed) {
  if (getSelectionMode() == SelectionMode.SINGLE) {
    ((Single<?>) getGrid().getSelectionModel()).setDeselectAllowed(deselectAllowed);
  }
}

代码示例来源：origin: com.holon-platform.vaadin/holon-vaadin

/**
 * Set the {@link SelectAllCheckBoxVisibility} mode when listing is in multiple selection mode.
 * @param selectAllCheckBoxVisibility the mode to set
 */
public void setSelectAllCheckBoxVisibility(SelectAllCheckBoxVisibility selectAllCheckBoxVisibility) {
  ObjectUtils.argumentNotNull(selectAllCheckBoxVisibility, "SelectAllCheckBoxVisibility must be not null");
  this.selectAllCheckBoxVisibility = selectAllCheckBoxVisibility;
  if (SelectionMode.MULTI == getSelectionMode()) {
    ((MultiSelectionModel<T>) getGrid().getSelectionModel())
        .setSelectAllCheckBoxVisibility(selectAllCheckBoxVisibility);
  }
}

代码示例来源：origin: eclipse/hawkbit

private void setUpDetails(final Long swId, final String metaDatakey) {
  resetDetails();
  metadataWindow.clearOriginalValues();
  if (swId != null) {
    metaDataGrid.getContainerDataSource().removeAllItems();
    populateGrid();
    metaDataGrid.getSelectionModel().reset();
    if (!metaDataGrid.getContainerDataSource().getItemIds().isEmpty()) {
      if (metaDatakey == null) {
        metaDataGrid.select(metaDataGrid.getContainerDataSource().getIdByIndex(0));
      } else {
        metaDataGrid.select(metaDatakey);
      }
    } else if (hasCreatePermission()) {
      enableEditing();
      addIcon.setEnabled(false);
    }
  }
}