Listbox

Listbox
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Components: listbox, listitem, listcell, listhead and listheader .

A list box is used to display a number of items in a list. The user may select an item from the list.

    <window title="listbox demo" border="normal">
        <listbox id="box" width="250px">        
            <listhead sizable="true">            
                <listheader label="name" sort="auto"/>                
                <listheader label="gender" sort="auto"/>                
            </listhead>            
            <listitem>            
                <listcell label="Mary"/>                
                <listcell label="FEMALE"/>                
            </listitem>            
            <listitem>            
                <listcell label="John"/>                
                <listcell label="MALE"/>                
            </listitem>            
            <listitem>            
                <listcell label="Jane"/>                
                <listcell label="FEMALE"/>                
            </listitem>            
            <listitem>            
                <listcell label="Henry"/>                
                <listcell label="MALE"/>                
            </listitem>            
            <listfoot >            
                <listfooter><label value="This is footer1"/></listfooter>                
                <listfooter><label value="This is footer2"/></listfooter>                
            </listfoot>            
                </listbox>                
</window>

Listbox has two molds: default and select . If the select mold is used, the HTML's SELECT tag is generated instead.

Class Name

org.zkoss.zul.Listbox

Supported Child Components

Listitem Listhead Listfoot

Supported Events

Name	Event Type
`onPaging`	`org.zkoss.zul.event.PagingEvent` `Description:` `Notifies one of the pages of a multi-page component is` `selected by the user.`

Name

Event Type

onPaging

org.zkoss.zul.event.PagingEvent

Description: Notifies one of the pages of a multi-page component is

selected by the user.

Properties

Property	Description	Data Type	Default Value
`align`	`Sets the horizontal alignment of the whole Listbox.` `Val` `ue:` `left\|center\|right`	`java.lang.String`	`<null>`
`mod` `el`	`Sets the list model associated with this Listbox.`	`org.zkoss.zul.ListModel`	`<null>`
`pageSize`	Sets the page size, aka., the number rows per page. Note: Available only the paging mold	`int`	`<null>`
`paginal`		`org.zkoss.zul.ext.Paginal`	`<null>`
`pre` `loadSize`	`Sets the number of rows to preload when receiving the rendering request from the client.`	`int`	`7`
`itemRenderer`	Sets the renderer which is used to render each `Listitem` if getModel() is not null.	`org` `.zkoss.zul.RowRenderer`	`<null>`
`maxlength`	the maximal length of each item's label.	`int`	`0(no effect)`
`multiple`	Is multiple selections are allowed.	`boolean`	`false`
`checkmark`	Is the check mark shall be displayed in front of each item.	`boolean`	`false`
`disable`	Is this `Listbox` is disabled.	`boolean`	`false`
`vflex`	To grow and shrink vertical to fit their given space, so called vertial flexibility.	`boolean`	`false`

Methods

Name	Description
`clone()`
`getIndexOfItem(Listitem)`	Returns the index of the specified item, or -1 if not found.
`ClearSelection()`	Clears the selection.
`addItemToSelection(Listitem)`	Selects the given item, without deselecting any other items that are already selected..
`appendItem(String,String)`	Appends an item.
`getItemAtIndex(int)`	Returns the item at the specified index.
`getSelectedIndex()`	Returns the index of the selected item (-1 if no one is selected).
`setSelectedIndex(int)`	Deselects all of the currently selected items and selects the item with the given index.
`GetItemCount()`	Returns the number of items.
`GetListHead()`	Returns `Listhead` belonging to this L `istbox` , or null if no list headers at all.
`GetListfoot()`	Returns `Listfoot` belonging to this L `istbox` , or null if no list footers at all.
`getOuterAttrs()`
`getPaging()`	Returns the child paging controller that is created automatically, or null if mold is not "paging", or the controller is specified externally by setPaginal(org.zkoss.zul.ext.Paginal).
`Sel` `ectAll()`	Select all items.
`ins` `ertBefore(org.zkoss.zk.ui.Component, org.zkoss.zk.ui.Component)`
`onInitRender()`	Handles a private event, onInitRender.
`onPaging()`	Called when the onPaging event is received (from getPaginal()).
`removeChild(org.zkoss.zk.ui.Component)`
`renderAll()`	Renders all `Listitem` if not loaded yet, with `getItemRenderer().`
`renderItems(java.util.Set)`
`renderItem(Listitem)`	Renders the specified Row if not loaded yet, with getRowRenderer().
`renderItems(java.util.Set)`	Renders a set of specified rows.
`setTabindex(int)`	Sets the tab order of this component. Currently, only the "select" mold supports this property.
`getTabindex()`	Returns the tab order of this component. Currently, only the "select" mold supports this property. Default: -1 (means the same as browser's default).
`setItemRenderer(java.lang.String)`	Sets the renderer by use of a class name.
`toggleItemSelection(Listitem)`	If the specified item is selected, it is deselected.

Inherited From

Inherited From
org.zkoss.zul.impl.XulElement
org.zkoss.zk.ui.HtmlBasedComponent
org.zkoss.zk.ui.AbstractComponent

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