org.zkoss.zuti.zul

Class When

java.lang.Object

org.zkoss.zk.ui.AbstractComponent

org.zkoss.zk.ui.HtmlShadowElement

org.zkoss.zuti.zul.TemplateBasedShadowElement

org.zkoss.zuti.zul.If

org.zkoss.zuti.zul.When

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, Component, AfterCompose, Scope, ShadowElement, ShadowElementCtrl, ComponentCtrl

public class When
extends If

A when tag is used for choose like a Java switch statement in that it lets you between a number of alternatives.

Since:

8.0.0

Author:

jumperchen

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.zkoss.zk.ui.HtmlShadowElement

HtmlShadowElement.Direction

Nested classes/interfaces inherited from class org.zkoss.zk.ui.AbstractComponent

AbstractComponent.Children

Field Summary

Fields inherited from class org.zkoss.zuti.zul.TemplateBasedShadowElement

_dirtyBinding, FOREACH_RENDERED_COMPONENTS, ON_BINDING_READY, SHADOW_VARIABLE

Fields inherited from class org.zkoss.zk.ui.HtmlShadowElement

_afterComposed, _dynamicValue, BIND_ANNO, BINDER, INIT_ANNO, LOAD_ANNO, ON_REBUILD_SHADOW_TREE_LATER, REFERENCE_ANNO, SAVE_ANNO, SKIP_DISTRIBUTED_CHILDREN_PROPERTY_CHANGE

Fields inherited from interface org.zkoss.zk.ui.Component

APPLICATION_SCOPE, COMPONENT_SCOPE, DESKTOP_SCOPE, PAGE_SCOPE, REQUEST_SCOPE, SESSION_SCOPE, SPACE_SCOPE

Fields inherited from interface org.zkoss.zk.ui.sys.ComponentCtrl

AFTER_CHILD_ADDED, AFTER_CHILD_REMOVED, AFTER_PAGE_ATTACHED, AFTER_PAGE_DETACHED, CE_BUSY_IGNORE, CE_DUPLICATE_IGNORE, CE_IMPORTANT, CE_NON_DEFERRABLE, CE_REPEAT_IGNORE

Constructor Summary

Constructors

Constructor and Description
When()

Method Summary

Modifier and Type	Method and Description
void	beforeParentChanged(Component parent) Default: If parent is null, execute the @Destroy method if any.
void	recreate() Detaches all child components and then recreate them by use of HtmlShadowElement.compose(org.zkoss.zk.ui.Component).
protected void	recreateDirectly()
java.lang.Object	removeAttribute(java.lang.String name) Removes the custom attribute associated with this component, i.e., Component.COMPONENT_SCOPE.
java.lang.Object	setAttribute(java.lang.String name, java.lang.Object value) Sets the custom attribute associated with this component, i.e., Component.COMPONENT_SCOPE.

Methods inherited from class org.zkoss.zuti.zul.If

getPropertyAccess, getTest, isEffective, isTest, setTest

Methods inherited from class org.zkoss.zuti.zul.TemplateBasedShadowElement

addBindingListener, afterCompose, clone, compose, detach, docheck0, isBindingReady, isDirtyBinding, isDynamicValue, onChildAdded, onChildRemoved, rebuildSubShadowTree, removeBindingListener

Methods inherited from class org.zkoss.zk.ui.HtmlShadowElement

afterHostChildAdded, afterHostChildRemoved, asShadow, beforeChildAdded, beforeHostChildAdded, beforeHostChildRemoved, beforeHostParentChanged, clearChildren, getDistributedChildren, getFirstInsertion, getLastInsertion, getNextInsertion, getNextInsertionComponentIfAny, getPreviousInsertion, getPreviousInsertionComponentIfAny, getShadowHost, getShadowHostIfAny, inRange, invalidate, isDynamicValue, mergeSubTree, mergeToHost, onHostAttached, onHostChildAdded, onHostChildRemoved, onHostDetached, removeFromParent, resolveVariable, setDynamicValue, setParent, setPrevInsertion, setShadowHost, shrinkRange, stretchRange, toString, updateSubBindingAnnotationCount

Methods inherited from class org.zkoss.zk.ui.AbstractComponent

addAnnotation, addAnnotation, addCallback, addClientEvent, addEventHandler, addEventListener, addEventListener, addForward, addForward, addForward, addForward, addMoved, addRedrawCallback, addScopeListener, addShadowRoot, addShadowRootBefore, addSharedEventHandlerMap, appendChild, applyProperties, beforeChildRemoved, didActivate, didActivate, didDeserialize, didDeserialize, disableBindingAnnotation, disableClientUpdate, enableBindingAnnotation, getAnnotatedProperties, getAnnotatedPropertiesBy, getAnnotation, getAnnotation, getAnnotations, getAnnotations, getAnnotations, getAttribute, getAttribute, getAttribute, getAttributeOrFellow, getAttributes, getAttributes, getAuService, getAutag, getCallback, getChildren, getClientAttribute, getClientDataAttribute, getClientEvents, getDefaultMold, getDefinition, getDesktop, getEventHandler, getEventHandlerNames, getEventListenerMap, getEventListeners, getExtraCtrl, getFellow, getFellow, getFellowIfAny, getFellowIfAny, getFellows, getFirstChild, getId, getLastChild, getListenerIterator, getMold, getNextSibling, getPage, getParent, getPreviousSibling, getRedrawCallback, getRoot, getShadowFellowIfAny, getShadowRoots, getShadowVariable, getShadowVariable, getShadowVariable0, getSpaceOwner, getSpecialRendererOutput, getStubonly, getSubBindingAnnotationCount, getTemplate, getTemplateNames, getUuid, getWidgetAttribute, getWidgetAttributeNames, getWidgetClass, getWidgetListener, getWidgetListenerNames, getWidgetOverride, getWidgetOverrideNames, hasAttribute, hasAttribute, hasAttribute, hasAttributeOrFellow, hasBindingAnnotation, hasFellow, hasFellow, hasSubBindingAnnotation, insertBefore, invalidatePartial, isChildable, isInitialized, isInvalidated, isListenerAvailable, isVisible, onPageAttached, onPageDetached, onWrongValue, query, queryAll, redraw, redrawChildren, removeAttribute, removeAttribute, removeCallback, removeChild, removeEventListener, removeForward, removeForward, removeRedrawCallback, removeScopeListener, removeShadowRoot, render, render, render, renderProperties, replace, response, response, response, service, service, sessionDidActivate, sessionWillPassivate, setAttribute, setAttribute, setAuService, setAutag, setClientAttribute, setClientDataAttribute, setDefinition, setDefinition, setId, setMold, setPage, setPageBefore, setStubonly, setStubonly, setSubBindingAnnotationCount, setTemplate, setVisible, setVisibleDirectly, setWidgetAttribute, setWidgetClass, setWidgetListener, setWidgetOverride, smartUpdate, smartUpdate, smartUpdate, smartUpdate, smartUpdate, smartUpdate, smartUpdate, smartUpdate, smartUpdate, smartUpdateWidgetListener, smartUpdateWidgetOverride, updateByClient, willPassivate, willPassivate, willSerialize, willSerialize

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.zkoss.zk.ui.sys.ComponentCtrl

invalidatePartial

Constructor Detail

When

public When()

Method Detail

setAttribute

public java.lang.Object setAttribute(java.lang.String name,
                                     java.lang.Object value)

Description copied from interface: Component

Sets the custom attribute associated with this component, i.e., Component.COMPONENT_SCOPE.

Specified by:

setAttribute in interface Component

Specified by:

setAttribute in interface Scope

Overrides:

setAttribute in class AbstractComponent

Returns:

the previous value associated with the attribute, if any

removeAttribute

public java.lang.Object removeAttribute(java.lang.String name)

Description copied from interface: Component

Removes the custom attribute associated with this component, i.e., Component.COMPONENT_SCOPE.

Specified by:

removeAttribute in interface Component

Specified by:

removeAttribute in interface Scope

Overrides:

removeAttribute in class AbstractComponent

Returns:

the previous value associated with the attribute, if any,

recreate

public void recreate()

Description copied from class: HtmlShadowElement

Detaches all child components and then recreate them by use of HtmlShadowElement.compose(org.zkoss.zk.ui.Component).

Specified by:

recreate in interface ShadowElement

Overrides:

recreate in class HtmlShadowElement

recreateDirectly

protected void recreateDirectly()

beforeParentChanged

public void beforeParentChanged(Component parent)

Description copied from class: AbstractComponent

Default: If parent is null, execute the @Destroy method if any.

Specified by:

beforeParentChanged in interface ComponentCtrl

Overrides:

beforeParentChanged in class HtmlShadowElement

Parameters:

parent - the new parent. If null, it means detachment.

See Also:

ComponentCtrl.beforeParentChanged(org.zkoss.zk.ui.Component)