Package org.zkoss.zul

Class Html

java.lang.Object
org.zkoss.zk.ui.AbstractComponent
org.zkoss.zk.ui.HtmlBasedComponent
org.zkoss.zul.impl.XulElement
org.zkoss.zul.Html
All Implemented Interfaces:
Serializable, Cloneable, org.zkoss.zk.ui.Component, org.zkoss.zk.ui.ext.Scope, org.zkoss.zk.ui.sys.ComponentCtrl
public class Html extends XulElement
A component used to embed the browser native content (i.e., HTML tags) into the output sent to the browser. The browser native content is specified by setContent(java.lang.String).

Notice that Html generates HTML SPAN to enclose the embedded HTML tags. Thus, you can specify the style (HtmlBasedComponent.getStyle()), tooltip XulElement.getTooltip() and so on. 

<html style="border: 1px solid blue"><![CDATA[
 <ul>
  <li>It is in a SPAN tag.</li>
 </ul>
]]></html>

The generated HTML tags will look like: 

<SPAN id="xxx" style="border: 1px solid blue">
 <ul>
  <li>It is in a SPAN tag.</li>
 </ul>
</SPAN>

Since SPAN is used to enclosed the embedded HTML tags, so the following is incorrect. 

<html><![CDATA[
 <table>
  <tr>
   <td> <-- Incomplete since it is inside SPAN -->
]]></html>

<textbox/>

<html><![CDATA[
   </td>
  </tr>
 </table>
]]></html>

If you need to generate the HTML tags directly without enclosing with SPAN, you can use the Native namespace, http://www.zkoss.org/2005/zk/native. Refer to ZK Developer's Reference for more information.

A non-XUL extension.

Author:
tomyeh
See Also:

  • Nested Class Summary

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

    org.zkoss.zk.ui.HtmlBasedComponent.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
    Html()
    Constructs a Html component to embed HTML tags.
    Html(String content)
    Constructs a Html component to embed HTML tags with the specified content.

  • Method Summary

    Modifier and Type
    Method
    Description
    String
    getContent()
    Returns the embedded content (i.e., HTML tags).
    protected boolean
    isChildable()
    Default: not childable.
    protected void
    renderProperties(org.zkoss.zk.ui.sys.ContentRenderer renderer)
     
    void
    setContent(String content)
    Sets the embedded content (i.e., HTML tags).

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

    clone, getContext, getCtrlKeys, getPopup, getPropertyAccess, 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, getExtraCtrl, getHeight, getHflex, getLeft, getRenderdefer, getSclass, getSkeleton, getStyle, getTabindex, getTabindexInteger, getTooltiptext, getTop, getVflex, getWidth, getZclass, 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, beforeParentChanged, 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

    • Html

      public Html()
      Constructs a Html component to embed HTML tags.

    • Html

      public Html(String content)
      Constructs a Html component to embed HTML tags with the specified content.

  • Method Details

    • getContent

      public String getContent()
      Returns the embedded content (i.e., HTML tags).

    • setContent

      public void setContent(String content)
      Sets the embedded content (i.e., HTML tags).

      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.

    • renderProperties

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

    • isChildable

      protected boolean isChildable()
      Default: not childable.
      Overrides:
      isChildable in class org.zkoss.zk.ui.AbstractComponent