Package io.jmix.ui.component.data.datagrid

Class ContainerTreeDataGridItems<E>

java.lang.Object

io.jmix.ui.component.data.datagrid.ContainerDataGridItems<E>

io.jmix.ui.component.data.datagrid.ContainerTreeDataGridItems<E>

All Implemented Interfaces:

DataGridItems<E>, DataGridItems.Sortable<E>, DataUnit, ContainerDataUnit<E>, EntityDataGridItems<E>, EntityDataUnit, TreeDataGridItems<E>

public class ContainerTreeDataGridItems<E>
extends ContainerDataGridItems<E>
implements TreeDataGridItems<E>

Nested Class Summary

Nested classes/interfaces inherited from interface io.jmix.ui.component.data.DataGridItems

DataGridItems.ItemSetChangeEvent<T>, DataGridItems.SelectedItemChangeEvent<T>, DataGridItems.Sortable<T>, DataGridItems.ValueChangeEvent<T>

Nested classes/interfaces inherited from interface io.jmix.ui.component.data.DataUnit

DataUnit.StateChangeEvent

Field Summary

Fields inherited from class io.jmix.ui.component.data.datagrid.ContainerDataGridItems

container, events, suppressSorting

Constructor Summary

Constructors

Constructor	Description
ContainerTreeDataGridItems(CollectionContainer<E> container, String hierarchyProperty)
ContainerTreeDataGridItems(CollectionContainer<E> container, String hierarchyProperty, boolean showOrphans)

Method Summary

Modifier and Type	Method	Description
int	getChildCount(E parent)
Stream<E>	getChildren(E item)
String	getHierarchyPropertyName()	Returns the property of entity which forms the hierarchy.
E	getParent(E item)
boolean	hasChildren(E item)

Methods inherited from class io.jmix.ui.component.data.datagrid.ContainerDataGridItems

addItemSetChangeListener, addSelectedItemChangeListener, addStateChangeListener, addValueChangeListener, containerCollectionChanged, containerItemChanged, containerItemPropertyChanged, containsItem, createSort, enableSorting, getContainer, getEntityMetaClass, getItem, getItemByIndex, getItemId, getItems, getItems, getItemValue, getSelectedItem, getState, indexOfItem, resetSortOrder, setSelectedItem, size, sort, suppressSorting

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface io.jmix.ui.component.data.DataGridItems

addItemSetChangeListener, addSelectedItemChangeListener, addValueChangeListener, containsItem, getItem, getItemByIndex, getItemId, getItems, getItems, getItemValue, getSelectedItem, indexOfItem, setSelectedItem, size

Methods inherited from interface io.jmix.ui.component.data.DataGridItems.Sortable

enableSorting, resetSortOrder, sort, suppressSorting

Methods inherited from interface io.jmix.ui.component.data.DataUnit

addStateChangeListener, getState

Constructor Details

ContainerTreeDataGridItems

public ContainerTreeDataGridItems(CollectionContainer<E> container,
 String hierarchyProperty,
 boolean showOrphans)

ContainerTreeDataGridItems

public ContainerTreeDataGridItems(CollectionContainer<E> container,
 String hierarchyProperty)

Method Details

getChildCount

public int getChildCount(E parent)

Specified by:

getChildCount in interface TreeDataGridItems<E>

Parameters:

parent - the parent item

Returns:

child count of the given parent item

getChildren

public Stream<E> getChildren(@Nullable
 E item)

Specified by:

getChildren in interface TreeDataGridItems<E>

Parameters:

item - the item to obtain children or null to get root items

Returns:

children of the given item

hasChildren

public boolean hasChildren(E item)

Specified by:

hasChildren in interface TreeDataGridItems<E>

Parameters:

item - the item to check

Returns:

true if the item has children, false otherwise

getParent

@Nullable
public E getParent(E item)

Specified by:

getParent in interface TreeDataGridItems<E>

Parameters:

item - the item to get parent

Returns:

the parent of the given item or null if no parent

getHierarchyPropertyName

public String getHierarchyPropertyName()

Description copied from interface: TreeDataGridItems

Returns the property of entity which forms the hierarchy.

Specified by:

getHierarchyPropertyName in interface TreeDataGridItems<E>

Returns:

hierarchy property name