Package com.vaadin.flow.component.sidenav

Class SideNav

java.lang.Object

com.vaadin.flow.component.Component

com.vaadin.flow.component.sidenav.SideNav

All Implemented Interfaces:

com.vaadin.flow.component.AttachNotifier, com.vaadin.flow.component.DetachNotifier, com.vaadin.flow.component.HasElement, com.vaadin.flow.component.HasSize, com.vaadin.flow.component.HasStyle, HasSideNavItems, Serializable

@Tag("vaadin-side-nav")
@NpmPackage(value="@vaadin/side-nav",
            version="25.0.0-alpha16")
@JsModule("@vaadin/side-nav/src/vaadin-side-nav.js")
public class SideNav
extends com.vaadin.flow.component.Component
implements HasSideNavItems, com.vaadin.flow.component.HasSize, com.vaadin.flow.component.HasStyle

A side navigation menu with support for hierarchical and flat menus.

Items can be added using HasSideNavItems.addItem(SideNavItem...) and hierarchy can be created by adding SideNavItem instances to other SideNavItem instances.

Author:

Vaadin Ltd

See Also:

• Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	SideNav.SideNavI18n	The internationalization properties for SideNav.

Constructor Summary

Constructors

Constructor	Description
SideNav()	Creates a new menu without any label.
SideNav(String label)	Creates a new menu with the given label.

Method Summary

Modifier and Type	Method	Description
SideNav.SideNavI18n	getI18n()	Gets the internationalization object previously set for this component.
String	getLabel()	Gets the label of this side navigation menu.
boolean	isCollapsible()	Check if the end user is allowed to collapse/hide and expand/show the navigation items.
boolean	isExpanded()	Returns whether the side navigation menu is expanded or collapsed.
void	setCollapsible(boolean collapsible)	Allow the end user to collapse/hide and expand/show the navigation items.
void	setExpanded(boolean expanded)	Expands the side navigation menu.
void	setI18n(SideNav.SideNavI18n i18n)	Updates the i18n settings in the web component.
void	setLabel(String label)	Set a textual label for this side navigation menu.

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, onAttach, onDetach, onEnabledStateChanged, 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.DetachNotifier

addDetachListener

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

getElement

Methods inherited from interface com.vaadin.flow.component.sidenav.HasSideNavItems

addItem, addItemAsFirst, addItemAtIndex, getItems, remove, removeAll

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

Constructor Details

SideNav

public SideNav()

Creates a new menu without any label.

SideNav

public SideNav(String label)

Creates a new menu with the given label.

Parameters:

label - the label to use

Method Details

getLabel

public String getLabel()

Gets the label of this side navigation menu.

Returns:

the label or null if no label has been set

setLabel

public void setLabel(String label)

Set a textual label for this side navigation menu.

This label can help the end user to distinguish groups of navigation items. The label is also available for screen reader users.

Parameters:

label - the label text to set; or null to remove the label

isCollapsible

public boolean isCollapsible()

Check if the end user is allowed to collapse/hide and expand/show the navigation items.

NOTE: The navigation has to have a label for it to be collapsible.

Returns:

true if the menu is collapsible, false otherwise

setCollapsible

public void setCollapsible(boolean collapsible)

Allow the end user to collapse/hide and expand/show the navigation items.

NOTE: The navigation has to have a label for it to be collapsible.

Parameters:

collapsible - true to make the whole navigation component collapsible, false otherwise

isExpanded

@Synchronize(property="collapsed",
             value="collapsed-changed",
             allowInert=true)
public boolean isExpanded()

Returns whether the side navigation menu is expanded or collapsed.

Returns:

true if the side navigation menu is expanded, false if collapsed

setExpanded

public void setExpanded(boolean expanded)

Expands the side navigation menu.

If the side navigation menu does not have a label, does nothing.

getI18n

public SideNav.SideNavI18n getI18n()

Gets the internationalization object previously set for this component.

NOTE: Updating the instance that is returned from this method will not update the component if not set again using setI18n(SideNavI18n)

Returns:

the i18n object or null if no i18n object has been set

setI18n

public void setI18n(SideNav.SideNavI18n i18n)

Updates the i18n settings in the web component. Merges the SideNav.SideNavI18n settings with the current / default settings of the web component.

Parameters:

i18n - the i18n object, not null