Package com.storedobject.ui

Class EditableObjectGrid<T extends StoredObject>

java.lang.Object

com.vaadin.flow.component.Component

com.vaadin.flow.component.grid.Grid<T>

com.storedobject.vaadin.DataGrid<T>

com.storedobject.vaadin.ListGrid<T>

com.storedobject.ui.DataGrid<T>

com.storedobject.ui.AbstractEditableGrid<T>

com.storedobject.ui.EditableObjectGrid<T>

Type Parameters:

T - Type of object to edit.

All Implemented Interfaces:

Executable, Reentrant, FilterMethods<T>, HasLogic, ObjectLoader<T>, ObjectSearcher<T>, ObjectSetter<T>, ObjectsSetter<T>, EditableDataGrid<T>, ObjectEditorListener, ObjectGridData<T,T>, ObjectLoader<T>, Transactional, ViewFilterSupport<T>, ClickHandler, ExecutableView, HasColumns<T>, SupportWindowMode, ValueChangeHandler, com.vaadin.flow.component.AttachNotifier, com.vaadin.flow.component.BlurNotifier<com.vaadin.flow.component.grid.Grid<T>>, com.vaadin.flow.component.ComponentEventListener<com.vaadin.flow.component.ClickEvent<? extends com.vaadin.flow.component.Component>>, com.vaadin.flow.component.DetachNotifier, com.vaadin.flow.component.Focusable<com.vaadin.flow.component.grid.Grid<T>>, com.vaadin.flow.component.FocusNotifier<com.vaadin.flow.component.grid.Grid<T>>, com.vaadin.flow.component.HasElement, com.vaadin.flow.component.HasEnabled, com.vaadin.flow.component.HasSize, com.vaadin.flow.component.HasStyle, com.vaadin.flow.component.HasTheme, com.vaadin.flow.component.HasValue.ValueChangeListener, com.vaadin.flow.data.event.SortEvent.SortNotifier<com.vaadin.flow.component.grid.Grid<T>,com.vaadin.flow.component.grid.GridSortOrder<T>>, com.vaadin.flow.data.provider.HasDataGenerators<T>, com.vaadin.flow.data.provider.HasDataView<T,Void,com.vaadin.flow.component.grid.dataview.GridDataView<T>>, com.vaadin.flow.data.provider.HasLazyDataView<T,Void,com.vaadin.flow.component.grid.dataview.GridLazyDataView<T>>, com.vaadin.flow.data.provider.HasListDataView<T,com.vaadin.flow.component.grid.dataview.GridListDataView<T>>, Serializable, Iterable<T>, Runnable, Collection<T>, EventListener, Consumer<T>, List<T>, SequencedCollection<T>

Direct Known Subclasses:

AbstractLinkGrid, ObjectListEditor

public class EditableObjectGrid<T extends StoredObject>
extends AbstractEditableGrid<T>
implements ObjectGridData<T,T>, EditableDataGrid<T>, ObjectEditorListener

An editable grid of objects. It internally maintains an EditableList that provides status information on each row of the grid.

Author:

Syam

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class com.vaadin.flow.component.grid.Grid

com.vaadin.flow.component.grid.Grid.AbstractGridExtension<T>, com.vaadin.flow.component.grid.Grid.Column<T>, com.vaadin.flow.component.grid.Grid.DataCommunicatorBuilder<T,U extends com.vaadin.flow.data.provider.ArrayUpdater>, com.vaadin.flow.component.grid.Grid.MultiSortPriority, com.vaadin.flow.component.grid.Grid.NestedNullBehavior, com.vaadin.flow.component.grid.Grid.SelectionMode, com.vaadin.flow.component.grid.Grid.SpringData, com.vaadin.flow.component.grid.Grid.UpdateQueue

Nested classes/interfaces inherited from interface com.vaadin.flow.component.BlurNotifier

com.vaadin.flow.component.BlurNotifier.BlurEvent<C extends com.vaadin.flow.component.Component>

Nested classes/interfaces inherited from interface com.storedobject.vaadin.ClickHandler

ClickHandler.ModifiedClickEvent<C extends com.vaadin.flow.component.Component>

Nested classes/interfaces inherited from interface com.vaadin.flow.component.FocusNotifier

com.vaadin.flow.component.FocusNotifier.FocusEvent<C extends com.vaadin.flow.component.Component>

Nested classes/interfaces inherited from interface com.storedobject.vaadin.HasColumns

HasColumns.SOGrid<T>

Constructor Summary

Constructors

Modifier	Constructor	Description
	EditableObjectGrid(Class<T> objectClass)
	EditableObjectGrid(Class<T> objectClass, boolean any)
protected	EditableObjectGrid(Class<T> objectClass, Filtered<T> list, Iterable<String> columns)
	EditableObjectGrid(Class<T> objectClass, Iterable<String> columns)
	EditableObjectGrid(Class<T> objectClass, Iterable<String> columns, boolean any)

Method Summary

Modifier and Type	Method	Description
boolean	add(T item)
boolean	addAll(int index, Collection<? extends T> collection)
boolean	addAll(Collection<? extends T> collection)
com.vaadin.flow.shared.Registration	addObjectChangedListener(ObjectChangedListener<T> listener)
com.vaadin.flow.shared.Registration	addValueChangeTracker(BiConsumer<AbstractListProvider<T>,Boolean> tracker)
void	append(T item)	Inform the grid that we have appended an item.
void	cancelEdit()	Cancel the editing if it is active.
protected boolean	canChange(T item, int editorAction)	Invoked to check whether a change is allowed from the client side or not.
void	clear()	This method doesn't clear the items.
protected ObjectEditor<T>	constructObjectEditor()
protected AbstractListProvider<T>	createListDataProvider(DataList<T> data)	Create an instance of ListDataProvider for the given data.
protected ObjectEditor<T>	createObjectEditor()
protected void	customizeObjectEditor()	Customize the editor that will be used for editing the instances.
protected void	deletedNow(T item)	This will be invoked once an item is deleted.
protected void	doDeleteAction(T object)	Carry out the delete action for the object.
protected void	doInsertAction(T object)	Carry out the insert action for the object.
protected void	doReloadAction(T object)	Carry out the reload action for the object.
protected void	doReloadAllAction()	Carry out the "reload all" action.
protected void	doUndeleteAction(T object)	Carry out the undelete action for the object.
protected void	doUpdateAction(T object)	Carry out the update action for the object.
boolean	editItem(T item)	Edit a given item.
protected com.vaadin.flow.component.HasValue<?,?>	getColumnField(String columnName)	Get the field for the column.
ObjectLoader<T>	getDelegatedLoader()
final T	getEditingItem()
final com.vaadin.flow.component.HasValue<?,?>	getField(String columnName)	Get the field for the given column name.
final ObjectEditor<T>	getObjectEditor()
final ObjectEditor<T>	getRowEditor()
protected void	insertedNow(T item)	This will be invoked once an item is inserted.
boolean	isColumnEditable(String columnName)	All fields are editable by default unless a field for editing the value of a particular column can not be determined from its ObjectEditor.
final boolean	isReadOnly()
protected boolean	isValid(com.vaadin.flow.data.provider.ListDataProvider<T> dataProvider)
protected void	reloadedAllNow()	This will be invoked once all items are reloaded.
protected void	reloadedNow(T item)	This will be invoked once an item is reloaded.
void	removeObjectChangedListener(ObjectChangedListener<T> listener)
void	saveEdited()
void	setAutoSaveOnMove(boolean autoSave)	Set the auto-save mode.
void	setObjectSetter(ObjectSetter<T> setter)
void	setReadOnly(boolean readOnly)	Set read only.
void	setViewFilter(Predicate<T> filter)	Set a filter.
final Stream<com.vaadin.flow.component.HasValue<?,?>>	streamEditableFields()	Get the stream of editable fields of this grid.
protected void	undeletedNow(T item)	This will be invoked once an item is undeleted.
protected void	updatedNow(T item)	This will be invoked once an item is updated.
void	validateData(T item)	This method is invoked to validate the item being added/edited via the UI.

Methods inherited from class com.storedobject.ui.AbstractEditableGrid

changed, createEditableList, createEditor, customizeColumn, delete, getColumnOrder, getEditableList, isAdded, isColumnSortable, isDeleted, isEdited, isFromClient, isSavePending, reload, reloadAll, setEditOnSingleClick, setFromClient, streamAdded, streamAll, streamDeleted, streamEdited, update

Methods inherited from class com.storedobject.ui.DataGrid

actionAllowed, canAllowAction, doAppendAction, getActionPrefix, getDataProvider, getObjectClass, itemAppended, itemDeleted, itemInserted, itemReloaded, itemUndeleted, itemUpdated, load, load, selected, selected, setItems, setItems, setItems, setItems, setItems, setItems, setItems, setItems, sort, sort, validateAppend, validateDelete, validateInsert, validateReload, validateUndelete, validateUpdate

Methods inherited from class com.storedobject.vaadin.ListGrid

add, addViewFilter, clearViewFilters, contains, containsAll, get, getData, indexOf, isEmpty, iterator, lastIndexOf, listIterator, listIterator, onAttach, onDetach, remove, remove, removeAll, removeIf, replaceAll, retainAll, set, setData, size, subList, toArray, toArray

Methods inherited from class com.storedobject.vaadin.DataGrid

addConstructedListener, appendFooter, clearConstructedListeners, getColumnByKey, getColumns, getSOGrid, isColumnReorderingAllowed, setColumnReorderingAllowed, streamConstructedListeners

Methods inherited from class com.vaadin.flow.component.grid.Grid

addCellFocusListener, addColumn, addColumn, addColumn, addColumn, addColumn, addColumn, addColumn, addColumnReorderListener, addColumnResizeListener, addColumns, addComponentColumn, addContextMenu, addDataGenerator, addDragEndListener, addDragStartListener, addDropListener, addFirstHeaderRow, addItemClickListener, addItemDoubleClickListener, addSelectionListener, addSortListener, addThemeVariants, addValueProvider, appendFooterRow, appendHeaderRow, asMultiSelect, asSingleSelect, compareMaybeComparables, configureBeanType, createColumn, createColumnId, createDefaultArrayUpdater, createSortingComparator, deselect, deselectAll, getAriaLabel, getArrayUpdater, getBeanType, getClassNameGenerator, getColumnByInternalId, getColumnLayers, getColumnRendering, getDataCommunicator, getDefaultColumnFactory, getDefaultHeaderRow, getDragFilter, getDropFilter, getDropMode, getEditor, getEmptyStateComponent, getEmptyStateText, getFooterRows, getGenericDataView, getHeaderRows, getLazyDataView, getListDataView, getNestedNullBehavior, getPageSize, getPartNameGenerator, getPropertySet, getSelectedItems, getSelectionMode, getSelectionModel, getSelectionPreservationMode, getSortOrder, getTooltipPosition, getUniqueKeyProperty, getUniqueKeyProvider, initConnector, insertColumnLayer, isAllRowsVisible, isDetailsVisible, isDetailsVisibleOnClick, isMultiSort, isRowsDraggable, onDataProviderChange, onEnabledStateChanged, prependFooterRow, prependHeaderRow, recalculateColumnWidths, removeAllColumns, removeAllFooterRows, removeAllHeaderRows, removeColumn, removeColumnByKey, removeColumnLayer, removeColumns, removeFooterRow, removeHeaderRow, removeThemeVariants, scrollToEnd, scrollToIndex, scrollToItem, scrollToStart, select, setAllRowsVisible, setAriaLabel, setClassNameGenerator, setColumnKey, setColumnOrder, setColumnOrder, setColumnRendering, setColumns, setDataProvider, setDefaultMultiSortPriority, setDetailsVisible, setDetailsVisibleOnClick, setDragDataGenerator, setDragFilter, setDropFilter, setDropMode, setEmptyStateComponent, setEmptyStateText, setItemDetailsRenderer, setItemSelectableProvider, setItemsPageable, setItemsPageable, setMultiSort, setMultiSort, setMultiSort, setMultiSort, setNestedNullBehavior, setPageSize, setPartNameGenerator, setRowsDraggable, setSelectionDragDetails, setSelectionMode, setSelectionModel, setSelectionPreservationMode, setSortableColumns, setTooltipGenerator, setTooltipPosition, setUniqueKeyProperty, setUniqueKeyProvider, updateSelectionModeOnClient

Methods inherited from class com.vaadin.flow.component.Component

addListener, findAncestor, fireEvent, from, get, getChildren, getElement, getEventBus, getId, getListeners, getLocale, getParent, getTranslation, getTranslation, getTranslation, getTranslation, getTranslation, getTranslation, getUI, hasListener, isAttached, isTemplateMapped, isVisible, removeFromParent, scrollIntoView, scrollIntoView, set, setElement, setId, setVisible

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.vaadin.flow.component.AttachNotifier

addAttachListener

Methods inherited from interface com.vaadin.flow.component.BlurNotifier

addBlurListener

Methods inherited from interface com.storedobject.vaadin.ClickHandler

clicked, doubleClicked, onComponentEvent, rightClicked

Methods inherited from interface java.util.Collection

parallelStream, stream, toArray

Methods inherited from interface java.util.function.Consumer

andThen

Methods inherited from interface com.vaadin.flow.component.DetachNotifier

addDetachListener

Methods inherited from interface com.storedobject.ui.EditableDataGrid

canDelete, canEdit, canPostLedger, canViewLedger

Methods inherited from interface com.storedobject.common.Executable

act

Methods inherited from interface com.storedobject.vaadin.ExecutableView

abort, clean, clicked, close, createMenuItem, error, execute, execute, getMenuIconName, getMenuItem, getView, invoke, isCloseable, isFullScreen, isHomeView, log, log, message, returnedFrom, run, setClickable, speak, trackValueChange, tray, valueChanged, warning

Methods inherited from interface com.storedobject.core.FilterMethods

getFilterCondition, setFilter, setFilter, setFilter, setFilter, setFilter, setFilter, setLoadFilter, setLoadFilter, setViewFilter

Methods inherited from interface com.vaadin.flow.component.Focusable

addFocusShortcut, blur, focus, getTabIndex, setTabIndex

Methods inherited from interface com.vaadin.flow.component.FocusNotifier

addFocusListener

Methods inherited from interface com.storedobject.vaadin.HasColumns

addConstructedListener, addItemSelectedListener, addItemsSelectedListener, appendFooter, appendHeader, clearAlerts, clearConstructedListeners, compact, configure, constructed, createColumn, createColumn, createColumn, createColumn, createColumn, createComponentColumn, createDecoratedWindow, createFooters, createHeader, createHeaders, createHierarchyColumn, createHTMLColumn, createHTMLHierarchyColumn, createView, customizeColumn, customizeRenderer, deselect, deselect, executing, getApplication, getCaption, getColumn, getColumnCaption, getColumnCount, getColumnDetail, getColumnFunction, getColumnHeaderComponent, getColumnMethodName, getColumnNames, getColumnOrder, getColumnSorter, getColumnTemplate, getConfigureButton, getDataClass, getDefinedColumnCount, getFixedColumnWidth, getMenuItem, getObjectRendered, getObjectUnwrapped, getRelativeColumnWidth, getRenderedColumnNames, getSelected, getSOGrid, getTextAlign, getView, getViewComponent, ignoreCaseForColumnSorting, includeColumn, isColumnFrozen, isColumnResizable, isColumnSortable, isColumnVisible, prependFooter, prependHeader, refresh, refresh, refresh, removeItemSelectedListener, render, select, select, setCaption, setColumnFrozen, setColumnResizable, setColumnVisible, setMethodHandlerHost, sort, sort, sortOrder, sortOrder, streamConstructedListeners, unwrap

Methods inherited from interface com.vaadin.flow.component.HasElement

getElement

Methods inherited from interface com.vaadin.flow.component.HasEnabled

isEnabled, setEnabled

Methods inherited from interface com.vaadin.flow.component.HasSize

getHeight, getHeightUnit, getMaxHeight, getMaxWidth, getMinHeight, getMinWidth, getWidth, getWidthUnit, setHeight, setHeight, setHeightFull, setMaxHeight, setMaxHeight, setMaxWidth, setMaxWidth, setMinHeight, setMinHeight, setMinWidth, setMinWidth, setSizeFull, setSizeUndefined, setWidth, setWidth, setWidthFull

Methods inherited from interface com.vaadin.flow.component.HasStyle

addClassName, addClassNames, getClassName, getClassNames, getStyle, hasClassName, removeClassName, removeClassNames, setClassName, setClassName

Methods inherited from interface com.vaadin.flow.component.HasTheme

addThemeName, addThemeNames, getThemeName, getThemeNames, hasThemeName, removeThemeName, removeThemeNames, setThemeName, setThemeName

Methods inherited from interface java.lang.Iterable

forEach

Methods inherited from interface java.util.List

addFirst, addLast, equals, getFirst, getLast, hashCode, removeFirst, removeLast, reversed, spliterator

Methods inherited from interface com.storedobject.ui.ObjectEditorListener

editingCancelled, editingEnded, editingStarted

Methods inherited from interface com.storedobject.ui.ObjectGridData

canSearch, convert, createSearchBuilder, deselect, deselectAll, doLoad, getEntityFilter, getItem, getLoadFilter, getObjectClass, getObjectCount, getSearchBuilder, getSelectionModel, isAllowAny, isSearchMode, populate, populate, populate, resetSearch, scrollTo, search, search, search, select, setLoadFilter, setObject, setObjectConsumer, setObjectConsumer, setObjects, setSelectionMode, validateFilterCondition

Methods inherited from interface com.storedobject.core.ObjectLoader

applyFilter, canContain, getAllowAny, getLinkType, getMaster, getOrderBy, load, load, load, load, load, load, load, load, load, load, load, load, load, load, load, load, load, load, load, load, load, load, reload, setLinkType, setLinkType, setMaster, setMaster, setOrderBy, setOrderBy

Methods inherited from interface com.storedobject.ui.ObjectLoader

addDataLoadedListener, applyFilterPredicate, clear, get, getCacheLevel, getEffectiveCondition, getFixedFilter, indexOf, load, setExtraFilter, setExtraFilter, setFilter, setFilter, setFixedFilter, setFixedFilter, setFixedFilter, setFixedFilter, size, streamAll, streamFiltered

Methods inherited from interface com.storedobject.core.ObjectSetter

accept, setObject

Methods inherited from interface com.storedobject.common.Reentrant

isReentrant

Methods inherited from interface com.storedobject.vaadin.util.SupportWindowMode

createWindow

Methods inherited from interface com.storedobject.ui.Transactional

commit, execute, getLogic, getTransactionManager, run, setLogic, transact, transact, transactControl, transactControl, transactControl, transactControl

Methods inherited from interface com.storedobject.vaadin.ValueChangeHandler

valueChanged

Methods inherited from interface com.storedobject.ui.util.ViewFilterSupport

configure, configure, configure, configureMatch, filterView, getViewFilter

Constructor Details

EditableObjectGrid

public EditableObjectGrid(Class<T> objectClass)

EditableObjectGrid

public EditableObjectGrid(Class<T> objectClass,
 Iterable<String> columns)

EditableObjectGrid

public EditableObjectGrid(Class<T> objectClass,
 boolean any)

EditableObjectGrid

public EditableObjectGrid(Class<T> objectClass,
 Iterable<String> columns,
 boolean any)

EditableObjectGrid

protected EditableObjectGrid(Class<T> objectClass,
 Filtered<T> list,
 Iterable<String> columns)

Method Details

isValid

protected boolean isValid(com.vaadin.flow.data.provider.ListDataProvider<T> dataProvider)

Overrides:

isValid in class AbstractEditableGrid<T extends StoredObject>

createListDataProvider

protected AbstractListProvider<T> createListDataProvider(DataList<T> data)

Description copied from class: ListGrid

Create an instance of ListDataProvider for the given data. The default implementation creates an instance of Vaadin's implementation. However, a modified implementation can be provided instead.

Overrides:

createListDataProvider in class DataGrid<T extends StoredObject>

Parameters:

data - Data for which data provider needs to be created.

Returns:

An instance of the ListDataProvider.

addValueChangeTracker

public com.vaadin.flow.shared.Registration addValueChangeTracker(BiConsumer<AbstractListProvider<T>,Boolean> tracker)

getDelegatedLoader

public ObjectLoader<T> getDelegatedLoader()

Specified by:

getDelegatedLoader in interface ObjectLoader<T extends StoredObject>

setObjectSetter

public void setObjectSetter(ObjectSetter<T> setter)

Specified by:

setObjectSetter in interface ObjectGridData<T extends StoredObject,T extends StoredObject>

setAutoSaveOnMove

public void setAutoSaveOnMove(boolean autoSave)

Set the auto-save mode. If this mode is set to true, values will be saved from the field when jumping between rows. By default, it is off and field values will not be saved when jumping between rows.

Parameters:

autoSave - True/false.

addAll

public boolean addAll(@Nonnull
 Collection<? extends T> collection)

Specified by:

addAll in interface Collection<T extends StoredObject>

Specified by:

addAll in interface List<T extends StoredObject>

Overrides:

addAll in class ListGrid<T extends StoredObject>

addAll

public boolean addAll(int index,
 @Nonnull
 Collection<? extends T> collection)

Specified by:

addAll in interface List<T extends StoredObject>

Overrides:

addAll in class ListGrid<T extends StoredObject>

add

public boolean add(T item)

Specified by:

add in interface Collection<T extends StoredObject>

Specified by:

add in interface List<T extends StoredObject>

Overrides:

add in class AbstractEditableGrid<T extends StoredObject>

append

public void append(T item)

Description copied from class: DataGrid

Inform the grid that we have appended an item. It will append the item to the grid only if DataGrid.validateAppend(Object) doesn't raise any exception. For appending the item, it invokes DataGrid.doAppendAction(Object) method.

Note: This method is an alias to DataGrid.itemAppended(Object) method.

Overrides:

append in class DataGrid<T extends StoredObject>

Parameters:

item - Item that is newly added.

isColumnEditable

public boolean isColumnEditable(String columnName)

All fields are editable by default unless a field for editing the value of a particular column can not be determined from its ObjectEditor.

Specified by:

isColumnEditable in interface EditableDataGrid<T extends StoredObject>

Parameters:

columnName - Column name.

Returns:

True/false.

getColumnField

protected com.vaadin.flow.component.HasValue<?,?> getColumnField(String columnName)

Get the field for the column. (Used while editing the row). In general, it is not required to override this. If this method returns null, field will be created from the respective Object Editor.

Parameters:

columnName - Column name for which field needs to be obtained.

Returns:

Default implementation returns null.

getField

public final com.vaadin.flow.component.HasValue<?,?> getField(String columnName)

Description copied from class: AbstractEditableGrid

Get the field for the given column name.

Overrides:

getField in class AbstractEditableGrid<T extends StoredObject>

Parameters:

columnName - Name of the column for which field is required.

Returns:

Field if found, otherwise null is returned.

streamEditableFields

public final Stream<com.vaadin.flow.component.HasValue<?,?>> streamEditableFields()

Description copied from interface: EditableDataGrid

Get the stream of editable fields of this grid.

Specified by:

streamEditableFields in interface EditableDataGrid<T extends StoredObject>

Returns:

Stream of editable fields.

getRowEditor

public final ObjectEditor<T> getRowEditor()

createObjectEditor

protected ObjectEditor<T> createObjectEditor()

constructObjectEditor

protected ObjectEditor<T> constructObjectEditor()

getObjectEditor

public final ObjectEditor<T> getObjectEditor()

customizeObjectEditor

protected void customizeObjectEditor()

Customize the editor that will be used for editing the instances. You can get the editor by invoking the method getObjectEditor().

setReadOnly

public void setReadOnly(boolean readOnly)

Set read only.

Parameters:

readOnly - If true, rows will not be editable.

isReadOnly

public final boolean isReadOnly()

editItem

public boolean editItem(T item)

Edit a given item.

Overrides:

editItem in class AbstractEditableGrid<T extends StoredObject>

Parameters:

item - Item to edit.

Returns:

True if editing is started, otherwise false.

cancelEdit

public void cancelEdit()

Description copied from class: AbstractEditableGrid

Cancel the editing if it is active.

Specified by:

cancelEdit in class AbstractEditableGrid<T extends StoredObject>

saveEdited

public void saveEdited()

getEditingItem

public final T getEditingItem()

validateData

public void validateData(T item)
                  throws Exception

This method is invoked to validate the item being added/edited via the UI.

Parameters:

item - Item being added/edited.

Throws:

Exception - Throw exceptions if the item is not valid.

clear

public void clear()

Description copied from class: AbstractEditableGrid

This method doesn't clear the items. Instead, it just invokes the AbstractEditableGrid.fireChanged(Object, int) method with null as the item value and EditorAction.ALL as the "change action". Subclasses should implement the real "clear" functionality.

Specified by:

clear in interface Collection<T extends StoredObject>

Specified by:

clear in interface List<T extends StoredObject>

Specified by:

clear in interface ObjectLoader<T extends StoredObject>

Overrides:

clear in class AbstractEditableGrid<T extends StoredObject>

addObjectChangedListener

public com.vaadin.flow.shared.Registration addObjectChangedListener(ObjectChangedListener<T> listener)

removeObjectChangedListener

public void removeObjectChangedListener(ObjectChangedListener<T> listener)

doInsertAction

protected void doInsertAction(T object)

Description copied from class: DataGrid

Carry out the insert action for the object. The object is already validated.

Overrides:

doInsertAction in class DataGrid<T extends StoredObject>

Parameters:

object - Item that is newly added.

doUpdateAction

protected void doUpdateAction(T object)

Description copied from class: DataGrid

Carry out the update action for the object. The object is already validated.

Overrides:

doUpdateAction in class DataGrid<T extends StoredObject>

Parameters:

object - Item that is updated.

doDeleteAction

protected void doDeleteAction(T object)

Description copied from class: DataGrid

Carry out the delete action for the object. The object is already validated.

Overrides:

doDeleteAction in class DataGrid<T extends StoredObject>

Parameters:

object - Item that is deleted.

doUndeleteAction

protected void doUndeleteAction(T object)

Description copied from class: DataGrid

Carry out the undelete action for the object. The object is already validated.

Overrides:

doUndeleteAction in class DataGrid<T extends StoredObject>

Parameters:

object - Item that is undeleted.

doReloadAction

protected void doReloadAction(T object)

Description copied from class: DataGrid

Carry out the reload action for the object. The object is already validated.

Overrides:

doReloadAction in class DataGrid<T extends StoredObject>

Parameters:

object - Item that is undeleted.

doReloadAllAction

protected void doReloadAllAction()

Description copied from class: DataGrid

Carry out the "reload all" action. All validations are already done before invoking this.

Overrides:

doReloadAllAction in class DataGrid<T extends StoredObject>

insertedNow

protected void insertedNow(T item)

This will be invoked once an item is inserted.

Parameters:

item - Item.

updatedNow

protected void updatedNow(T item)

This will be invoked once an item is updated.

Parameters:

item - Item.

deletedNow

protected void deletedNow(T item)

This will be invoked once an item is deleted.

Parameters:

item - Item.

undeletedNow

protected void undeletedNow(T item)

This will be invoked once an item is undeleted.

Parameters:

item - Item.

reloadedNow

protected void reloadedNow(T item)

This will be invoked once an item is reloaded.

Parameters:

item - Item.

reloadedAllNow

protected void reloadedAllNow()

This will be invoked once all items are reloaded.

canChange

protected boolean canChange(T item,
 int editorAction)

Invoked to check whether a change is allowed from the client side or not.

Parameters:

item - Item to change.

editorAction - Editor action (One of the static values from EditorAction).

Returns:

True if change is acceptable. If returned false, change will be ignored.

setViewFilter

public void setViewFilter(Predicate<T> filter)

Description copied from class: ListGrid

Set a filter. (All previously added filters will be cleared).

Specified by:

setViewFilter in interface FilterMethods<T extends StoredObject>

Overrides:

setViewFilter in class ListGrid<T extends StoredObject>

Parameters:

filter - Filter to set.