Package io.jmix.ui.component.data.table

Class EmptyTableItems<E>

java.lang.Object

io.jmix.ui.component.data.table.EmptyTableItems<E>

All Implemented Interfaces:

DataUnit, EmptyDataUnit, EntityDataUnit, EntityTableItems<E>, TableItems<E>, TableItems.Ordered<E>, TableItems.Sortable<E>

Direct Known Subclasses:

EmptyGroupTableItems, EmptyTreeTableItems

public class EmptyTableItems<E>
extends Object
implements EntityTableItems<E>, TableItems.Sortable<E>, EmptyDataUnit

Nested Class Summary

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

DataUnit.StateChangeEvent

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

TableItems.ItemSetChangeEvent<T>, TableItems.Ordered<T>, TableItems.SelectedItemChangeEvent<T>, TableItems.Sortable<T>, TableItems.ValueChangeEvent<T>

Field Summary

Fields

Modifier and Type	Field	Description
protected MetaClass	metaClass

Constructor Summary

Constructors

Constructor	Description
EmptyTableItems(MetaClass metaClass)

Method Summary

Modifier and Type	Method	Description
Subscription	addItemSetChangeListener(Consumer<TableItems.ItemSetChangeEvent<E>> listener)	Registers a new item set change listener.
Subscription	addSelectedItemChangeListener(Consumer<TableItems.SelectedItemChangeEvent<E>> listener)	Registers a new selected item change listener.
Subscription	addStateChangeListener(Consumer<DataUnit.StateChangeEvent> listener)	Registers a new state change listener.
Subscription	addValueChangeListener(Consumer<TableItems.ValueChangeEvent<E>> listener)	Registers a new value change listener.
boolean	containsId(Object itemId)
Object	firstItemId()
MetaClass	getEntityMetaClass()
E	getItem(Object itemId)
Collection<?>	getItemIds()
Collection<E>	getItems()
Object	getItemValue(Object itemId, MetaPropertyPath propertyId)
E	getSelectedItem()
BindingState	getState()
Class<?>	getType(Object propertyId)
boolean	isFirstId(Object itemId)	Tests if the Item corresponding to the given Item ID is the first item.
boolean	isLastId(Object itemId)	Tests if the item corresponding to the given item ID is the last item.
Object	lastItemId()
Object	nextItemId(Object itemId)	Gets the ID of the item following the Item that corresponds to itemId.
Object	prevItemId(Object itemId)	Gets the ID of the item preceding the item that corresponds to itemId.
void	resetSortOrder()	Resets sort order.
void	setSelectedItem(E item)	Set current item in the source.
int	size()
void	sort(Object[] propertyId, boolean[] ascending)	Sorts data.
boolean	supportsProperty(Object propertyId)
void	updateItem(E item)	Update an item in the collection if it is already there.

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.TableItems

getItemNN

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

enableSorting, suppressSorting

Field Details

metaClass

protected MetaClass metaClass

Constructor Details

EmptyTableItems

public EmptyTableItems(MetaClass metaClass)

Method Details

getSelectedItem

@Nullable
public E getSelectedItem()

Specified by:

getSelectedItem in interface EntityTableItems<E>

Returns:

the current item contained in the source

setSelectedItem

public void setSelectedItem(@Nullable
 E item)

Description copied from interface: EntityTableItems

Set current item in the source.

Specified by:

setSelectedItem in interface EntityTableItems<E>

Parameters:

item - the item to set

getItemIds

public Collection<?> getItemIds()

Specified by:

getItemIds in interface TableItems<E>

getItem

@Nullable
public E getItem(Object itemId)

Specified by:

getItem in interface TableItems<E>

getItemValue

@Nullable
public Object getItemValue(Object itemId,
 MetaPropertyPath propertyId)

Specified by:

getItemValue in interface TableItems<E>

size

public int size()

Specified by:

size in interface TableItems<E>

containsId

public boolean containsId(Object itemId)

Specified by:

containsId in interface TableItems<E>

getType

public Class<?> getType(Object propertyId)

Specified by:

getType in interface TableItems<E>

supportsProperty

public boolean supportsProperty(Object propertyId)

Specified by:

supportsProperty in interface TableItems<E>

getItems

public Collection<E> getItems()

Specified by:

getItems in interface TableItems<E>

Returns:

unmodifiable collection of items

updateItem

public void updateItem(E item)

Description copied from interface: TableItems

Update an item in the collection if it is already there.

Sends TableItems.ItemSetChangeEvent.

Specified by:

updateItem in interface TableItems<E>

Parameters:

item - the item to update

addValueChangeListener

public Subscription addValueChangeListener(Consumer<TableItems.ValueChangeEvent<E>> listener)

Description copied from interface: TableItems

Registers a new value change listener.

Specified by:

addValueChangeListener in interface TableItems<E>

Parameters:

listener - the listener to be added

Returns:

a registration object for removing an event listener added to a source

addItemSetChangeListener

public Subscription addItemSetChangeListener(Consumer<TableItems.ItemSetChangeEvent<E>> listener)

Description copied from interface: TableItems

Registers a new item set change listener.

Specified by:

addItemSetChangeListener in interface TableItems<E>

Parameters:

listener - the listener to be added

Returns:

a registration object for removing an event listener added to a source

addSelectedItemChangeListener

public Subscription addSelectedItemChangeListener(Consumer<TableItems.SelectedItemChangeEvent<E>> listener)

Description copied from interface: TableItems

Registers a new selected item change listener.

Specified by:

addSelectedItemChangeListener in interface TableItems<E>

Parameters:

listener - the listener to be added

Returns:

a registration object for removing an event listener added to a source

getEntityMetaClass

@Nullable
public MetaClass getEntityMetaClass()

Specified by:

getEntityMetaClass in interface EntityDataUnit

Returns:

MetaClass of an entity contained in the source

getState

public BindingState getState()

Specified by:

getState in interface DataUnit

Returns:

a state of this source

addStateChangeListener

public Subscription addStateChangeListener(Consumer<DataUnit.StateChangeEvent> listener)

Description copied from interface: DataUnit

Registers a new state change listener.

Specified by:

addStateChangeListener in interface DataUnit

Parameters:

listener - the listener to be added

Returns:

a registration object for removing an event listener added to a source

nextItemId

@Nullable
public Object nextItemId(@Nullable
 Object itemId)

Description copied from interface: TableItems.Ordered

Gets the ID of the item following the Item that corresponds to itemId.

Specified by:

nextItemId in interface TableItems.Ordered<E>

Parameters:

itemId - item id

Returns:

ID of the next visible Item or null

prevItemId

@Nullable
public Object prevItemId(@Nullable
 Object itemId)

Description copied from interface: TableItems.Ordered

Gets the ID of the item preceding the item that corresponds to itemId.

Specified by:

prevItemId in interface TableItems.Ordered<E>

Parameters:

itemId - item id

Returns:

ID of the previous visible item or null

firstItemId

@Nullable
public Object firstItemId()

Specified by:

firstItemId in interface TableItems.Ordered<E>

Returns:

ID of the first visible item

lastItemId

@Nullable
public Object lastItemId()

Specified by:

lastItemId in interface TableItems.Ordered<E>

Returns:

ID of the last visible item

isFirstId

public boolean isFirstId(@Nullable
 Object itemId)

Description copied from interface: TableItems.Ordered

Tests if the Item corresponding to the given Item ID is the first item.

Specified by:

isFirstId in interface TableItems.Ordered<E>

Parameters:

itemId - item id

Returns:

true if the item is first visible item, false if not

isLastId

public boolean isLastId(@Nullable
 Object itemId)

Description copied from interface: TableItems.Ordered

Tests if the item corresponding to the given item ID is the last item.

Specified by:

isLastId in interface TableItems.Ordered<E>

Parameters:

itemId - item id

Returns:

true if the item is last visible item in the, false if not

sort

public void sort(Object[] propertyId,
 boolean[] ascending)

Description copied from interface: TableItems.Sortable

Sorts data.

Specified by:

sort in interface TableItems.Sortable<E>

Parameters:

propertyId - id of property

ascending - asc / desc flags

resetSortOrder

public void resetSortOrder()

Description copied from interface: TableItems.Sortable

Resets sort order.

Specified by:

resetSortOrder in interface TableItems.Sortable<E>