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java.lang.Objectorg.zkoss.zk.ui.AbstractComponent
org.zkoss.zk.ui.HtmlBasedComponent
org.zkoss.zul.impl.XulElement
org.zkoss.zul.Listitem
org.zkoss.zul.Listgroup
public class Listgroup
Adds the ability for single level grouping to the Listbox.
Available in ZK PE and EE.
Event:
Default getZclass()
: z-listgroup (since 5.0.0)
Nested Class Summary |
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Nested classes/interfaces inherited from class org.zkoss.zul.Listitem |
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Listitem.ExtraCtrl |
Nested classes/interfaces inherited from class org.zkoss.zk.ui.AbstractComponent |
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AbstractComponent.Children |
Field Summary |
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Fields inherited from class org.zkoss.zk.ui.HtmlBasedComponent |
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_height, _left, _top, _width, _zclass |
Fields inherited from class org.zkoss.zk.ui.AbstractComponent |
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_visible |
Fields inherited from interface org.zkoss.zk.ui.Component |
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APPLICATION_SCOPE, COMPONENT_SCOPE, DESKTOP_SCOPE, PAGE_SCOPE, REQUEST_SCOPE, SESSION_SCOPE, SPACE_SCOPE |
Fields inherited from interface org.zkoss.zk.ui.sys.ComponentCtrl |
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CE_BUSY_IGNORE, CE_DUPLICATE_IGNORE, CE_IMPORTANT, CE_NON_DEFERRABLE, CE_REPEAT_IGNORE |
Constructor Summary | |
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Listgroup()
|
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Listgroup(java.lang.String label)
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Listgroup(java.lang.String label,
java.lang.Object value)
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Method Summary | |
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java.lang.Object |
clone()
Clones the component. |
int |
getItemCount()
Returns the number of items. |
java.util.List |
getItems()
Returns a list of all Listitem are grouped by this listgroup. |
Listfoot |
getListfoot()
Returns the Listfoot, if any. |
Listfoot |
getListfootApi()
Returns the Listfoot, if any. |
int |
getListgroupfootIndex()
Returns the index of Listgroupfoot -1: no Listgroupfoot |
int |
getVisibleItemCount()
Returns the number of visible descendant Listitem . |
java.lang.String |
getZclass()
Returns the ZK Cascading Style class(es) for this component. |
boolean |
isOpen()
Returns whether this container is open. |
protected void |
renderProperties(ContentRenderer renderer)
Renders the content of this component, excluding the enclosing tags and children. |
void |
service(AuRequest request,
boolean everError)
Processes an AU request. |
void |
setOpen(boolean open)
Sets whether this container is open. |
Methods inherited from class org.zkoss.zul.Listitem |
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addMoved, beforeChildAdded, beforeParentChanged, getImage, getIndex, getLabel, getListbox, getListboxApi, getListgroup, getListgroupApi, getMaxlength, getMold, getSrc, getValue, isCheckable, isDisabled, isLoaded, isSelected, newExtraCtrl, setCheckable, setDisabled, setImage, setIndex, setLabel, setSelected, setSrc, setValue, setVisible, smartUpdate, smartUpdate, smartUpdate |
Methods inherited from class org.zkoss.zul.impl.XulElement |
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getAction, getContext, getCtrlKeys, getPopup, getTooltip, setAction, setContext, setContext, setCtrlKeys, setPopup, setPopup, setTooltip, setTooltip |
Methods inherited from class org.zkoss.zk.ui.HtmlBasedComponent |
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focus, getDraggable, getDroppable, getHeight, getHflex, getLeft, getSclass, getStyle, getTooltiptext, getTop, getVflex, getWidth, getZindex, getZIndex, setClass, setDraggable, setDroppable, setFocus, setHeight, setHflex, setLeft, setSclass, setStyle, setTooltiptext, setTop, setVflex, setWidth, setZclass, setZindex, setZIndex |
Methods inherited from class java.lang.Object |
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finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Methods inherited from interface org.zkoss.zul.api.Listitem |
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getImage, getLabel, getListboxApi, getListgroupApi, getMaxlength, getValue, isCheckable, isLoaded, isSelected, setCheckable, setDisabled, setImage, setLabel, setSelected, setValue |
Methods inherited from interface org.zkoss.zul.impl.api.XulElement |
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getAction, getContext, getCtrlKeys, getPopup, getTooltip, setAction, setContext, setContext, setCtrlKeys, setPopup, setPopup, setTooltip, setTooltip |
Methods inherited from interface org.zkoss.zk.ui.api.HtmlBasedComponent |
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focus, getHeight, getLeft, getSclass, getStyle, getTooltiptext, getTop, getWidth, getZindex, getZIndex, setDraggable, setDroppable, setFocus, setHeight, setLeft, setSclass, setStyle, setTooltiptext, setTop, setWidth, setZclass, setZindex, setZIndex |
Methods inherited from interface org.zkoss.zk.ui.ext.Scope |
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addScopeListener, getAttribute, hasAttribute, removeAttribute, removeScopeListener, setAttribute |
Constructor Detail |
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public Listgroup()
public Listgroup(java.lang.String label)
public Listgroup(java.lang.String label, java.lang.Object value)
Method Detail |
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public java.util.List getItems()
Listitem
are grouped by this listgroup.
getItems
in interface Listgroup
public int getItemCount()
getItemCount
in interface Listgroup
public int getVisibleItemCount()
Listitem
.
getVisibleItemCount
in interface Listgroup
public int getListgroupfootIndex()
-1: no Listgroupfoot
getListgroupfootIndex
in interface Listgroup
public Listfoot getListfoot()
public Listfoot getListfootApi()
getListfootApi
in interface Listgroup
public boolean isOpen()
Default: true.
isOpen
in interface Listgroup
public void setOpen(boolean open)
setOpen
in interface Listgroup
public java.lang.String getZclass()
HtmlBasedComponent
Default: null (the default value depends on element).
HtmlBasedComponent.setZclass(java.lang.String)
) will completely replace the default style
of a component. In other words, the default style of a component
is associated with the default value of HtmlBasedComponent.getZclass()
.
Once it is changed, the default style won't be applied at all.
If you want to perform small adjustments, use HtmlBasedComponent.setSclass(java.lang.String)
instead.
getZclass
in interface HtmlBasedComponent
getZclass
in class Listitem
HtmlBasedComponent.getSclass()
public java.lang.Object clone()
Component
clone
in interface Component
clone
in class Listitem
protected void renderProperties(ContentRenderer renderer) throws java.io.IOException
HtmlBasedComponent
See also Render Special Properties
renderProperties
in class Listitem
java.io.IOException
public void service(AuRequest request, boolean everError)
Default: in addition to what are handled by HtmlBasedComponent.service(org.zkoss.zk.au.AuRequest, boolean)
,
it also handles onOpen.
service
in interface ComponentCtrl
service
in class HtmlBasedComponent
everError
- whether any error ever occured before
processing this request.AbstractComponent.setAuService(org.zkoss.zk.au.AuService)
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