Package org.zkoss.zul

Class Listitem

  • All Implemented Interfaces:
    java.io.Serializable, java.lang.Cloneable, org.zkoss.zk.ui.Component, org.zkoss.zk.ui.ext.Scope, org.zkoss.zk.ui.sys.ComponentCtrl
    Direct Known Subclasses:
    Listgroup, Listgroupfoot
    public class Listitem
extends XulElement
    A list item.

    Default getZclass(): z-listitem (since 5.0.0)

    Author:
    tomyeh
    See Also:
    Serialized Form

    • Nested Class Summary

      Nested Classes 
      Modifier and Type Class Description
      protected class  Listitem.ExtraCtrl
      A utility class to implement HtmlBasedComponent.getExtraCtrl().

      • 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
      Listitem()  
      Listitem​(java.lang.String label)  
      Listitem​(java.lang.String label, T value)  

    • Method Summary

      All Methods Instance Methods Concrete Methods Deprecated Methods 
      Modifier and Type Method Description
      protected void addMoved​(org.zkoss.zk.ui.Component oldparent, org.zkoss.zk.ui.Page oldpg, org.zkoss.zk.ui.Page newpg)  
      void beforeChildAdded​(org.zkoss.zk.ui.Component child, org.zkoss.zk.ui.Component refChild)  
      void beforeParentChanged​(org.zkoss.zk.ui.Component parent)  
      java.lang.Object clone()  
      java.lang.Object getExtraCtrl()  
      java.lang.String getImage()
      Returns the image of the Listcell it contains.
      int getIndex()
      Returns the index of this item (a.k.a., the order in the listbox).
      java.lang.String getLabel()
      Returns the label of the Listcell it contains, or null if no such cell.
      Listbox getListbox()
      Returns the list box that it belongs to.
      Listgroup getListgroup()
      Returns the listgroup that this item belongs to, or null.
      int getMaxlength()
      Returns the maximal length of each item's label.
      java.lang.String getMold()  
      org.zkoss.zk.ui.sys.PropertyAccess getPropertyAccess​(java.lang.String prop)  
      <T> T getValue()
      Returns the value.
      java.lang.String getZclass()  
      boolean isDisabled()
      Returns whether it is disabled.
      boolean isLoaded()
      Returns whether the content of this item is loaded.
      boolean isSelectable()
      Returns whether it is selectable.
      boolean isSelected()
      Returns whether it is selected.
      protected void renderProperties​(org.zkoss.zk.ui.sys.ContentRenderer renderer)  
      void setDisabled​(boolean disabled)
      Sets whether it is disabled.
      void setHflex​(java.lang.String flex)
      Deprecated.
      as of release 6.0.0.
      void setImage​(java.lang.String image)
      Sets the image of the Listcell it contains.
      protected void setIndex​(int index)  
      void setLabel​(java.lang.String label)
      Sets the label of the Listcell it contains.
      void setSelectable​(boolean selectable)
      Sets whether it is selectable.
      void setSelected​(boolean selected)
      Sets whether it is selected.
      <T> void setValue​(T value)
      Sets the value.
      boolean setVisible​(boolean visible)  
      void setWidth​(java.lang.String width)
      Deprecated.
      as of release 6.0.0.
      protected void smartUpdate​(java.lang.String name, boolean value)  
      protected void smartUpdate​(java.lang.String name, int value)  
      protected void smartUpdate​(java.lang.String name, java.lang.Object value)  

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

        addSclass, evalCSSFlex, focus, getAction, getClientAction, getDraggable, getDroppable, getHeight, getHflex, getLeft, getRenderdefer, getSclass, getStyle, getTabindex, getTabindexInteger, getTooltiptext, getTop, getVflex, getWidth, getZindex, getZIndex, removeSclass, removeSclass, service, setAction, setClass, setClientAction, setDraggable, setDroppable, setFocus, setHeight, setHeight0, setHeightDirectly, setHflex0, setHflexDirectly, setLeft, setLeftDirectly, setRenderdefer, setSclass, setStyle, setTabindex, setTabindex, setTooltiptext, setTop, setTopDirectly, setVflex, setVflex0, setVflexDirectly, 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, addRedrawCallback, addScopeListener, addShadowRoot, addShadowRootBefore, addSharedEventHandlerMap, appendChild, applyProperties, 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, 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, isChildable, 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, setVisibleDirectly, setWidgetClass, setWidgetListener, setWidgetOverride, 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 Detail

      • Listitem

        public Listitem()

      • Listitem

        public Listitem​(java.lang.String label)

      • Listitem

        public Listitem​(java.lang.String label,
                T value)

    • Method Detail

      • getListbox

        public Listbox getListbox()
        Returns the list box that it belongs to.

        It is the same as AbstractComponent.getParent().

      • getListgroup

        public Listgroup getListgroup()
        Returns the listgroup that this item belongs to, or null.
        Since:
        3.5.0

      • getZclass

        public java.lang.String getZclass()
        Overrides:
        getZclass in class org.zkoss.zk.ui.HtmlBasedComponent

      • isSelectable

        public boolean isSelectable()
        Returns whether it is selectable.

        Default: true.

        Since:
        8.0.0

      • setSelectable

        public void setSelectable​(boolean selectable)
        Sets whether it is selectable.

        If the listbox is in a checkmark mode, the selectable state will affect the checkable icon to display or not.

        Default: true.

        Parameters:
        selectable -

      • getMaxlength

        public int getMaxlength()
        Returns the maximal length of each item's label. It is a shortcut of getParent().getMaxlength(); Thus, it works only if the listbox's mold is "select".

      • getValue

        public <T> T getValue()
        Returns the value.

        Default: null.

        Note: the value is application dependent, you can place whatever value you want.

        If you are using listitem with HTML Form (and with the name attribute), it is better to specify a String-typed value.

      • setValue

        public <T> void setValue​(T value)
        Sets the value.
        Parameters:
        value - the value.

        Note: the value is application dependent, you can place whatever value you want.

        If you are using listitem with HTML Form (and with the name attribute), it is better to specify a String-typed value.

      • isDisabled

        public boolean isDisabled()
        Returns whether it is disabled.

        Default: false.

      • setDisabled

        public void setDisabled​(boolean disabled)
        Sets whether it is disabled.

      • isSelected

        public boolean isSelected()
        Returns whether it is selected.

        Default: false.

      • setSelected

        public void setSelected​(boolean selected)
        Sets whether it is selected.

      • getLabel

        public java.lang.String getLabel()
        Returns the label of the Listcell it contains, or null if no such cell.

      • setLabel

        public void setLabel​(java.lang.String label)
        Sets the label of the Listcell it contains.

        If it is not created, we automatically create it.

      • getImage

        public java.lang.String getImage()
        Returns the image of the Listcell it contains.

      • setImage

        public void setImage​(java.lang.String image)
        Sets the image of the Listcell it contains.

        If it is not created, we automatically create it.

      • getIndex

        public int getIndex()
        Returns the index of this item (a.k.a., the order in the listbox).

      • isLoaded

        public boolean isLoaded()
        Returns whether the content of this item is loaded. It is meaningful only if getListbox() is live data, i.e., Listbox.getModel() is not null.
        Since:
        2.4.0

      • setIndex

        protected void setIndex​(int index)

      • setVisible

        public boolean setVisible​(boolean visible)
        Specified by:
        setVisible in interface org.zkoss.zk.ui.Component
        Overrides:
        setVisible in class org.zkoss.zk.ui.AbstractComponent

      • smartUpdate

        protected void smartUpdate​(java.lang.String name,
                           java.lang.Object value)
        Overrides:
        smartUpdate in class org.zkoss.zk.ui.AbstractComponent

      • smartUpdate

        protected void smartUpdate​(java.lang.String name,
                           boolean value)
        Overrides:
        smartUpdate in class org.zkoss.zk.ui.AbstractComponent

      • smartUpdate

        protected void smartUpdate​(java.lang.String name,
                           int value)
        Overrides:
        smartUpdate in class org.zkoss.zk.ui.AbstractComponent

      • getMold

        public java.lang.String getMold()
        Specified by:
        getMold in interface org.zkoss.zk.ui.Component
        Overrides:
        getMold in class org.zkoss.zk.ui.AbstractComponent

      • setWidth

        public void setWidth​(java.lang.String width)
        Deprecated.
        as of release 6.0.0. To control the size of Listbox related components, please refer to Listbox and Listheader instead.
        Overrides:
        setWidth in class org.zkoss.zk.ui.HtmlBasedComponent

      • setHflex

        public void setHflex​(java.lang.String flex)
        Deprecated.
        as of release 6.0.0. To control the size of Listbox related components, please refer to Listbox and Listheader instead.
        Overrides:
        setHflex in class org.zkoss.zk.ui.HtmlBasedComponent

      • renderProperties

        protected void renderProperties​(org.zkoss.zk.ui.sys.ContentRenderer renderer)
                         throws java.io.IOException
        Overrides:
        renderProperties in class XulElement
        Throws:
        java.io.IOException

      • addMoved

        protected void addMoved​(org.zkoss.zk.ui.Component oldparent,
                        org.zkoss.zk.ui.Page oldpg,
                        org.zkoss.zk.ui.Page newpg)
        Overrides:
        addMoved in class org.zkoss.zk.ui.AbstractComponent

      • getPropertyAccess

        public org.zkoss.zk.ui.sys.PropertyAccess getPropertyAccess​(java.lang.String prop)
        Specified by:
        getPropertyAccess in interface org.zkoss.zk.ui.sys.ComponentCtrl
        Overrides:
        getPropertyAccess in class XulElement

      • 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

      • beforeChildAdded

        public void beforeChildAdded​(org.zkoss.zk.ui.Component child,
                             org.zkoss.zk.ui.Component refChild)
        Specified by:
        beforeChildAdded in interface org.zkoss.zk.ui.sys.ComponentCtrl
        Overrides:
        beforeChildAdded in class org.zkoss.zk.ui.AbstractComponent

      • clone

        public java.lang.Object clone()
        Specified by:
        clone in interface org.zkoss.zk.ui.Component
        Overrides:
        clone in class XulElement

      • getExtraCtrl

        public java.lang.Object getExtraCtrl()
        Specified by:
        getExtraCtrl in interface org.zkoss.zk.ui.sys.ComponentCtrl
        Overrides:
        getExtraCtrl in class org.zkoss.zk.ui.HtmlBasedComponent