Package org.zkoss.zul

Class Comboitem

java.lang.Object

org.zkoss.zk.ui.AbstractComponent

org.zkoss.zk.ui.HtmlBasedComponent

org.zkoss.zul.impl.XulElement

org.zkoss.zul.impl.LabelElement

org.zkoss.zul.impl.LabelImageElement

org.zkoss.zul.Comboitem

All Implemented Interfaces:

Serializable, Cloneable, org.zkoss.zk.ui.Component, org.zkoss.zk.ui.ext.Disable, org.zkoss.zk.ui.ext.Scope, org.zkoss.zk.ui.sys.ComponentCtrl

public class Comboitem
extends LabelImageElement
implements org.zkoss.zk.ui.ext.Disable

An item of a combo box.

Non-XUL extension. Refer to Combobox.

Default getZclass(): z-comboitem. (since 5.0.0)

Author:

tomyeh

See Also:

• Combobox
• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.zkoss.zul.impl.LabelImageElement

LabelImageElement.ExtraCtrl

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

org.zkoss.zk.ui.AbstractComponent.Children, org.zkoss.zk.ui.AbstractComponent.ForwardInfo, org.zkoss.zk.ui.AbstractComponent.TargetInfo

Field Summary

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

_zclass

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_CLONED, AFTER_PAGE_ATTACHED, AFTER_PAGE_DETACHED, AFTER_PARENT_CHANGED, CE_BUSY_IGNORE, CE_DUPLICATE_IGNORE, CE_IMPORTANT, CE_NON_DEFERRABLE, CE_REPEAT_IGNORE

Constructor Summary

Constructors

Constructor	Description
Comboitem()
Comboitem(String label)
Comboitem(String label, String image)

Method Summary

Modifier and Type	Method	Description
void	beforeParentChanged(org.zkoss.zk.ui.Component parent)
Object	clone()
String	getContent()	Returns the embedded content (i.e., HTML tags) that is shown as part of the description.
String	getDescription()	Returns the description (never null).
int	getIndex()	Returns the index of this Comboitem.
<T> T	getValue()	Returns the value associated with this combo item.
String	getZclass()
protected boolean	isChildable()	No child is allowed.
boolean	isDisabled()	Returns whether it is disabled.
protected void	renderProperties(org.zkoss.zk.ui.sys.ContentRenderer renderer)
void	setContent(String content)	Sets the embedded content (i.e., HTML tags) that is shown as part of the description.
void	setDescription(String desc)	Sets the description.
void	setDisabled(boolean disabled)	Sets whether it is disabled.
void	setLabel(String label)	Sets the label.
<T> void	setValue(T value)	Associate the value with this combo item.

Methods inherited from class org.zkoss.zul.impl.LabelImageElement

getExtraCtrl, getHoverImage, getHoverImageContent, getIconSclass, getIconSclasses, getIconTooltip, getIconTooltips, getImage, getImageContent, getPropertyAccess, isImageAssigned, setHoverImage, setHoverImageContent, setHoverImageContent, setIconSclass, setIconSclasses, setIconTooltip, setIconTooltips, setImage, setImageContent, setImageContent

Methods inherited from class org.zkoss.zul.impl.LabelElement

getLabel, renderCrawlable

Methods inherited from class org.zkoss.zul.impl.XulElement

getContext, getCtrlKeys, getPopup, getTooltip, setContext, setContext, setContextAttributes, setCtrlKeys, setPopup, setPopup, setPopupAttributes, setTooltip, setTooltip, setTooltipAttributes

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

addSclass, evalCSSFlex, focus, getAction, getClientAction, getDraggable, getDroppable, getHeight, getHflex, getLeft, getRenderdefer, getSclass, getSkeleton, getStyle, getTabindex, getTabindexInteger, getTooltiptext, getTop, getVflex, getWidth, getZindex, getZIndex, removeSclass, removeSclass, service, setAction, setClass, setClientAction, setDraggable, setDroppable, setFocus, setHeight, setHeight0, setHeightDirectly, setHflex, setHflex0, setHflexDirectly, setLeft, setLeftDirectly, setRenderdefer, setSclass, setSkeleton, setStyle, setTabindex, setTabindex, setTooltiptext, setTop, setTopDirectly, setVflex, setVflex0, setVflexDirectly, setWidth, setWidth0, setWidthDirectly, setZclass, setZindex, setZIndex, setZIndexDirectly

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

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

Methods inherited from class java.lang.Object

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

Constructor Details

Comboitem

public Comboitem()

Comboitem

public Comboitem(String label)

Comboitem

public Comboitem(String label,
 String image)

Method Details

setDisabled

public void setDisabled(boolean disabled)

Sets whether it is disabled.

Specified by:

setDisabled in interface org.zkoss.zk.ui.ext.Disable

Since:

3.0.1

isDisabled

public boolean isDisabled()

Returns whether it is disabled.

Default: false.

Specified by:

isDisabled in interface org.zkoss.zk.ui.ext.Disable

Since:

3.0.1

getDescription

public String getDescription()

Returns the description (never null). The description is used to provide extra information such that users is easy to make a selection.

Default: "".

Deriving class can override it to return whatever it wants other than null.

setDescription

public void setDescription(String desc)

Sets the description.

getContent

public String getContent()

Returns the embedded content (i.e., HTML tags) that is shown as part of the description.

It is useful to show the description in more versatile way.

Since:

3.0.0

See Also:

• getDescription()

setContent

public void setContent(String content)

Sets the embedded content (i.e., HTML tags) that is shown as part of the description.

It is useful to show the description in more versatile way.

Default: empty ("").

Deriving class can override it to return whatever it wants other than null.

Security Note

Unlike other methods, the content assigned to this method is generated directly to the browser without escaping. Thus, it is better not to have something input by the user to avoid any XSS attach.

Note: since 10.0.0, the content is sanitized by default to avoid XSS attack, and please don't use JavaScript in the content.

Since:

3.0.0

See Also:

• setDescription(java.lang.String)

getValue

public <T> T getValue()

Returns the value associated with this combo item. The value is application dependent. It can be anything.

It is usually used with Combobox.getSelectedItem(). For example, combobox.getSelectedItem().getValue()

Since:

2.4.0

See Also:

• Combobox.getSelectedItem()
• setValue(T)

setValue

public <T> void setValue(T value)

Associate the value with this combo item. The value is application dependent. It can be anything.

Since:

2.4.0

See Also:

• Combobox.getSelectedItem()
• getValue()

getIndex

public int getIndex()

Returns the index of this Comboitem.

Since:

6.0.0

getZclass

public String getZclass()

Overrides:

getZclass in class org.zkoss.zk.ui.HtmlBasedComponent

setLabel

public void setLabel(String label)

Description copied from class: LabelElement

Sets the label.

If label is changed, the whole component is invalidate. Thus, you want to smart-update, you have to override this method.

Overrides:

setLabel in class LabelElement

renderProperties

protected void renderProperties(org.zkoss.zk.ui.sys.ContentRenderer renderer)
                         throws IOException

Overrides:

renderProperties in class LabelImageElement

Throws:

IOException

beforeParentChanged

public void beforeParentChanged(org.zkoss.zk.ui.Component parent)

Specified by:

beforeParentChanged in interface org.zkoss.zk.ui.sys.ComponentCtrl

Overrides:

beforeParentChanged in class org.zkoss.zk.ui.AbstractComponent

isChildable

protected boolean isChildable()

No child is allowed.

Overrides:

isChildable in class org.zkoss.zk.ui.AbstractComponent

clone

public Object clone()

Specified by:

clone in interface org.zkoss.zk.ui.Component

Overrides:

clone in class LabelImageElement