com.haulmont.cuba.gui.components.data.datagrid

Class ContainerTreeDataGridItems<E extends Entity>

java.lang.Object

com.haulmont.cuba.gui.components.data.datagrid.ContainerDataGridItems<E>

com.haulmont.cuba.gui.components.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 Entity>
extends ContainerDataGridItems<E>
implements TreeDataGridItems<E>

Nested Class Summary

Nested classes/interfaces inherited from interface com.haulmont.cuba.gui.components.data.DataGridItems

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

Nested classes/interfaces inherited from interface com.haulmont.cuba.gui.components.data.DataUnit

DataUnit.StateChangeEvent

Field Summary

Fields inherited from class com.haulmont.cuba.gui.components.data.datagrid.ContainerDataGridItems

container, events

Constructor Summary

Constructors

Constructor and Description
ContainerTreeDataGridItems(CollectionContainer<E> container, java.lang.String hierarchyProperty)

Method Summary

Modifier and Type	Method and Description
int	getChildCount(E parent)
java.util.stream.Stream<E>	getChildren(E item)
E	getParent(E item)
boolean	hasChildren(E item)

Methods inherited from class com.haulmont.cuba.gui.components.data.datagrid.ContainerDataGridItems

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

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.haulmont.cuba.gui.components.data.DataGridItems.Sortable

resetSortOrder, sort

Methods inherited from interface com.haulmont.cuba.gui.components.data.DataGridItems

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

Methods inherited from interface com.haulmont.cuba.gui.components.data.DataUnit

addStateChangeListener, getState

Constructor Detail

ContainerTreeDataGridItems

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

Method Detail

getChildCount

public int getChildCount(E parent)

Specified by:

getChildCount in interface TreeDataGridItems<E extends Entity>

Parameters:

parent - the parent item

Returns:

child count of the given parent item

getChildren

public java.util.stream.Stream<E> getChildren(E item)

Specified by:

getChildren in interface TreeDataGridItems<E extends Entity>

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 extends Entity>

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 extends Entity>

Parameters:

item - the item to get parent

Returns:

the parent of the given item or null if no parent