com.vaadin.client.widget.grid.selection.

java.lang.Object
- com.vaadin.client.widget.grid.selection.AbstractRowHandleSelectionModel<T>
- - com.vaadin.client.widget.grid.selection.SelectionModelMulti<T>

All Implemented Interfaces:

HasUserSelectionAllowed<T>, SelectionModel<T>, SelectionModel.Multi<T>, SelectionModel.Multi.Batched<T>
```
public class SelectionModelMulti<T>
extends AbstractRowHandleSelectionModel<T>
implements SelectionModel.Multi.Batched<T>, HasUserSelectionAllowed<T>
```
Multi-row selection model.

Since:

7.4

Author:

Vaadin Ltd

Nested Class Summary
- Nested classes/interfaces inherited from interface com.vaadin.client.widget.grid.selection.SelectionModel
  SelectionModel.Multi<T>, SelectionModel.None<T>, SelectionModel.Single<T>
- Nested classes/interfaces inherited from interface com.vaadin.client.widget.grid.selection.SelectionModel.Multi
  SelectionModel.Multi.Batched<T>

Constructor Summary

Constructors
Constructor Description

SelectionModelMulti()

Method Summary

All Methods
Modifier and Type	Method	Description
`void`	`commitBatchSelect()`	Commits and ends a batch selection.
`boolean`	`deselect(Collection<T> rows)`	Deselect all rows in a `Collection`.
`boolean`	`deselect(T... rows)`	Deselects one or more rows.
`boolean`	`deselectAll()`	De-selects all rows.
`protected boolean`	`deselectByHandle(DataSource.RowHandle<T> handle)`	Deselect a row, based on its `RowHandle`.
`Collection<T>`	`getDeselectedRowsBatch()`	Gets all the rows that would become deselected in this batch.
`Collection<T>`	`getSelectedRows()`	Returns a Collection containing all selected rows.
`Collection<T>`	`getSelectedRowsBatch()`	Gets all the rows that would become selected in this batch.
`Renderer<Boolean>`	`getSelectionColumnRenderer()`	Return the `Renderer` responsible for rendering the selection column.
`boolean`	`isBeingBatchSelected()`	Checks whether or not a batch has been started.
`boolean`	`isSelected(T row)`	Return true if the provided row is considered selected under the implementing selection model.
`protected boolean`	`isSelectedByHandle(DataSource.RowHandle<T> handle)`
`boolean`	`isUserSelectionAllowed()`	Checks if the user is allowed to change the selection.
`void`	`reset()`	Resets the SelectionModel to the initial state.
`boolean`	`select(Collection<T> rows)`	Select all rows in a `Collection`.
`boolean`	`select(T... rows)`	Selects one or more rows.
`protected boolean`	`selectByHandle(DataSource.RowHandle<T> handle)`	Select a row, based on its `RowHandle`.
`void`	`setGrid(Grid<T> grid)`	Tells this SelectionModel which Grid it belongs to.
`void`	`setUserSelectionAllowed(boolean userSelectionAllowed)`	Sets whether the user is allowed to change the selection.
`void`	`startBatchSelect()`	Starts a batch selection.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - SelectionModelMulti
```
public SelectionModelMulti()
```
- Method Detail
  - isSelected
```
public boolean isSelected(T row)
```
    Description copied from interface: SelectionModel
    
    Return true if the provided row is considered selected under the implementing selection model.
    
    Specified by:
    
    isSelected in interface SelectionModel<T>
    
    Parameters:
    
    row - row object instance
    
    Returns:
    
    true, if the row given as argument is considered selected.
  - getSelectionColumnRenderer
```
public Renderer<Boolean> getSelectionColumnRenderer()
```
    Description copied from interface: SelectionModel
    
    Return the Renderer responsible for rendering the selection column.
    
    Specified by:
    
    getSelectionColumnRenderer in interface SelectionModel<T>
    
    Returns:
    
    a renderer instance. If null is returned, a selection column will not be drawn.
  - setGrid
```
public void setGrid(Grid<T> grid)
```
    Description copied from interface: SelectionModel
    
    Tells this SelectionModel which Grid it belongs to.
    Implementations are free to have this be a no-op. This method is called internally by Grid.
    
    Specified by:
    
    setGrid in interface SelectionModel<T>
    
    Parameters:
    
    grid - a Grid instance; null when removing from Grid
  - select
```
public boolean select(T... rows)
```
    Description copied from interface: SelectionModel.Multi
    
    Selects one or more rows.
    
    Specified by:
    
    select in interface SelectionModel.Multi<T>
    
    Parameters:
    
    rows - Grid row objects
    
    Returns:
    
    true, if the set of selected rows was changed.
  - deselect
```
public boolean deselect(T... rows)
```
    Description copied from interface: SelectionModel.Multi
    
    Deselects one or more rows.
    
    Specified by:
    
    deselect in interface SelectionModel.Multi<T>
    
    Parameters:
    
    rows - Grid row objects
    
    Returns:
    
    true, if the set of selected rows was changed.
  - deselectAll
```
public boolean deselectAll()
```
    Description copied from interface: SelectionModel.Multi
    
    De-selects all rows.
    
    Specified by:
    
    deselectAll in interface SelectionModel.Multi<T>
    
    Returns:
    
    true, if any row was previously selected.
  - select
```
public boolean select(Collection<T> rows)
```
    Description copied from interface: SelectionModel.Multi
    
    Select all rows in a Collection.
    
    Specified by:
    
    select in interface SelectionModel.Multi<T>
    
    Parameters:
    
    rows - a collection of Grid row objects
    
    Returns:
    
    true, if the set of selected rows was changed.
  - deselect
```
public boolean deselect(Collection<T> rows)
```
    Description copied from interface: SelectionModel.Multi
    
    Deselect all rows in a Collection.
    
    Specified by:
    
    deselect in interface SelectionModel.Multi<T>
    
    Parameters:
    
    rows - a collection of Grid row objects
    
    Returns:
    
    true, if the set of selected rows was changed.
  - isSelectedByHandle
```
protected boolean isSelectedByHandle(DataSource.RowHandle<T> handle)
```
  - selectByHandle
```
protected boolean selectByHandle(DataSource.RowHandle<T> handle)
```
    Description copied from class: AbstractRowHandleSelectionModel
    
    Select a row, based on its RowHandle.
    Note: this method may not fire selection change events.
    
    Specified by:
    
    selectByHandle in class AbstractRowHandleSelectionModel<T>
    
    Parameters:
    
    handle - the handle to select by
    
    Returns:
    
    true iff the selection state was changed by this call
  - deselectByHandle
```
protected boolean deselectByHandle(DataSource.RowHandle<T> handle)
```
    Description copied from class: AbstractRowHandleSelectionModel
    
    Deselect a row, based on its RowHandle.
    Note: this method may not fire selection change events.
    
    Specified by:
    
    deselectByHandle in class AbstractRowHandleSelectionModel<T>
    
    Parameters:
    
    handle - the handle to deselect by
    
    Returns:
    
    true iff the selection state was changed by this call
  - getSelectedRows
```
public Collection<T> getSelectedRows()
```
    Description copied from interface: SelectionModel
    
    Returns a Collection containing all selected rows.
    
    Specified by:
    
    getSelectedRows in interface SelectionModel<T>
    
    Returns:
    
    a non-null collection.
  - reset
```
public void reset()
```
    Description copied from interface: SelectionModel
    
    Resets the SelectionModel to the initial state.
    This method can be called internally, for example, when the attached Grid's data source changes.
    
    Specified by:
    
    reset in interface SelectionModel<T>
  - startBatchSelect
```
public void startBatchSelect()
```
    Description copied from interface: SelectionModel.Multi.Batched
    
    Starts a batch selection.
    Any commands to any select or deselect method will be batched into one, and a final selection event will be fired when SelectionModel.Multi.Batched.commitBatchSelect() is called.
    Note: SelectionChangeEvents will still be fired for each selection/deselection. You should check whether the event is a part of a batch or not with SelectionEvent.isBatchedSelection().
    
    Specified by:
    
    startBatchSelect in interface SelectionModel.Multi.Batched<T>
  - commitBatchSelect
```
public void commitBatchSelect()
```
    Description copied from interface: SelectionModel.Multi.Batched
    
    Commits and ends a batch selection.
    Any and all selections and deselections since the last invocation of SelectionModel.Multi.Batched.startBatchSelect() will be fired at once as one collated SelectionEvent.
    
    Specified by:
    
    commitBatchSelect in interface SelectionModel.Multi.Batched<T>
  - isBeingBatchSelected
```
public boolean isBeingBatchSelected()
```
    Description copied from interface: SelectionModel.Multi.Batched
    
    Checks whether or not a batch has been started.
    
    Specified by:
    
    isBeingBatchSelected in interface SelectionModel.Multi.Batched<T>
    
    Returns:
    
    true iff a batch has been started
  - getSelectedRowsBatch
```
public Collection<T> getSelectedRowsBatch()
```
    Description copied from interface: SelectionModel.Multi.Batched
    
    Gets all the rows that would become selected in this batch.
    
    Specified by:
    
    getSelectedRowsBatch in interface SelectionModel.Multi.Batched<T>
    
    Returns:
    
    a collection of the rows that would become selected
  - getDeselectedRowsBatch
```
public Collection<T> getDeselectedRowsBatch()
```
    Description copied from interface: SelectionModel.Multi.Batched
    
    Gets all the rows that would become deselected in this batch.
    
    Specified by:
    
    getDeselectedRowsBatch in interface SelectionModel.Multi.Batched<T>
    
    Returns:
    
    a collection of the rows that would become deselected
  - isUserSelectionAllowed
```
public boolean isUserSelectionAllowed()
```
    Description copied from interface: HasUserSelectionAllowed
    
    Checks if the user is allowed to change the selection.
    
    Specified by:
    
    isUserSelectionAllowed in interface HasUserSelectionAllowed<T>
    
    Returns:
    
    true if the user is allowed to change the selection, false otherwise
  - setUserSelectionAllowed
```
public void setUserSelectionAllowed(boolean userSelectionAllowed)
```
    Description copied from interface: HasUserSelectionAllowed
    
    Sets whether the user is allowed to change the selection.
    
    Specified by:
    
    setUserSelectionAllowed in interface HasUserSelectionAllowed<T>
    
    Parameters:
    
    userSelectionAllowed - true if the user is allowed to change the selection, false otherwise

com.vaadin.client.widget.grid.selection.

Class SelectionModelMulti<T>

Nested Class Summary

Nested classes/interfaces inherited from interface com.vaadin.client.widget.grid.selection.SelectionModel

Nested classes/interfaces inherited from interface com.vaadin.client.widget.grid.selection.SelectionModel.Multi

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

SelectionModelMulti

Method Detail

isSelected

getSelectionColumnRenderer

setGrid

select

deselect

deselectAll

select

deselect

isSelectedByHandle

selectByHandle

deselectByHandle

getSelectedRows

reset

startBatchSelect

commitBatchSelect

isBeingBatchSelected

getSelectedRowsBatch

getDeselectedRowsBatch

isUserSelectionAllowed

setUserSelectionAllowed