Package io.jmix.flowui.component

Interface ListDataComponent<T>

Type Parameters:

T - item type

All Known Implementing Classes:

DataGrid, TreeDataGrid

public interface ListDataComponent<T>

A component that displays list of items.

Method Summary

Modifier and Type	Method	Description
void	deselect(T item)
void	deselectAll()	Deselects all selected rows.
DataUnit	getItems()
Set<T>	getSelectedItems()	Returns a set of items corresponding to the selected rows of this component.
T	getSingleSelectedItem()	Returns an item corresponding to the selected row of this component.
boolean	isMultiSelect()
void	select(Collection<T> items)	Selects the rows of this component for a given collection of items.
void	select(T item)	Selects a row of this component for a given item.

Method Details

getSingleSelectedItem

@Nullable
T getSingleSelectedItem()

Returns an item corresponding to the selected row of this component. If nothing is selected, the method returns null. If multiple selection mode is enabled, returns the first selected instance.

Returns:

an item corresponding to the selected row of this component

getSelectedItems

Set<T> getSelectedItems()

Returns a set of items corresponding to the selected rows of this component. If nothing is selected, the method returns a Collections.emptySet().

Returns:

a set of item instances corresponding to the selected rows of this component, never null

select

void select(T item)

Selects a row of this component for a given item.

Parameters:

item - item instance to select the row

select

void select(Collection<T> items)

Selects the rows of this component for a given collection of items.

Parameters:

items - collection of items to select rows

deselect

void deselect(T item)

deselectAll

void deselectAll()

Deselects all selected rows.

getItems

@Nullable
DataUnit getItems()

Returns:

a data unit that holds component items

isMultiSelect

boolean isMultiSelect()

Returns:

true if multiple selection mode is enabled