Package org.zkoss.zul

Class Iframe

java.lang.Object

org.zkoss.zk.ui.AbstractComponent

org.zkoss.zk.ui.HtmlBasedComponent

org.zkoss.zul.Iframe

All Implemented Interfaces:

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

public class Iframe
extends org.zkoss.zk.ui.HtmlBasedComponent

Includes an inline frame.

Unlike HTML iframe, this component doesn't have the frameborder property. Rather, use the CSS style to customize the border (like any other components).

To handle the onload event, you have to use the client-attribute namespace. Please refer to ZK Component Reference: iframe fore more information.

Author:

tomyeh

See Also:

• Include
• Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected class	Iframe.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
Iframe()
Iframe(String src)

Method Summary

Modifier and Type	Method	Description
org.zkoss.util.media.Media	getContent()	Returns the content set by setContent(org.zkoss.util.media.Media).
protected String	getEncodedSrc()	Returns the encoded src (getSrc()).
Object	getExtraCtrl()
String	getName()	Returns the frame name.
String	getScrolling()	Return the scroll bars.
String	getSrc()	Returns the src.
boolean	isAutohide()	Returns whether to automatically hide this component if a popup or dropdown is overlapped with it.
protected boolean	isChildable()	Default: not childable.
protected void	renderProperties(org.zkoss.zk.ui.sys.ContentRenderer renderer)
void	service(org.zkoss.zk.au.AuRequest request, boolean everError)	Processes an AU request.
void	setAutohide(boolean autohide)	Sets whether to automatically hide this component if a popup or dropdown is overlapped with it.
void	setContent(org.zkoss.util.media.Media media)	Sets the content directly.
void	setName(String name)	Sets the frame name.
void	setScrolling(String scrolling)	Define scroll bars
void	setSrc(String src)	Sets the src.

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

addSclass, clone, evalCSSFlex, focus, getAction, getClientAction, getDraggable, getDroppable, getHeight, getHflex, getLeft, getPropertyAccess, getRenderdefer, getSclass, getSkeleton, getStyle, getTabindex, getTabindexInteger, getTooltiptext, getTop, getVflex, getWidth, getZclass, getZindex, getZIndex, removeSclass, removeSclass, 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

Iframe

public Iframe()

Iframe

public Iframe(String src)

Method Details

setScrolling

public void setScrolling(String scrolling)

Define scroll bars

Parameters:

scrolling - "true", "false", "yes" or "no" or "auto", "auto" by default If null, "auto" is assumed.

Since:

3.0.4

getScrolling

public String getScrolling()

Return the scroll bars.

Default: "auto"

Since:

3.0.4

getName

public String getName()

Returns the frame name.

Default: null (use browser default).

setName

public void setName(String name)

Sets the frame name.

isAutohide

public boolean isAutohide()

Returns whether to automatically hide this component if a popup or dropdown is overlapped with it.

Default: false.

If an iframe contains PDF or other non-HTML resource, it is possible that it obscures the popup that shall be shown above it. To resolve this, you have to specify autohide="true" to this component, and specify the following in the page:

<?script content="zk.useStack='auto';"?>
 
Please refer to Stackup and Shadow
 for more information.

setAutohide

public void setAutohide(boolean autohide)

Sets whether to automatically hide this component if a popup or dropdown is overlapped with it. Refer to isAutohide() for more information

getSrc

public String getSrc()

Returns the src.

Default: null.

setSrc

public void setSrc(String src)

Sets the src.

Calling this method implies setContent(null). In other words, the last invocation of setSrc(java.lang.String) overrides the previous setContent(org.zkoss.util.media.Media), if any.

Parameters:

src - the source URL. If null or empty, nothing is included.

See Also:

• setContent(org.zkoss.util.media.Media)

getEncodedSrc

protected String getEncodedSrc()

Returns the encoded src (getSrc()).

setContent

public void setContent(org.zkoss.util.media.Media media)

Sets the content directly. Default: null.

Calling this method implies setSrc(null). In other words, the last invocation of setContent(org.zkoss.util.media.Media) overrides the previous setSrc(java.lang.String), if any.

Parameters:

media - the media for this inline frame.

See Also:

• setSrc(java.lang.String)

getContent

public org.zkoss.util.media.Media getContent()

Returns the content set by setContent(org.zkoss.util.media.Media).

Note: it won't fetch what is set thru by setSrc(java.lang.String). It simply returns what is passed to setContent(org.zkoss.util.media.Media).

renderProperties

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

Overrides:

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

Throws:

IOException

service

public void service(org.zkoss.zk.au.AuRequest request,
 boolean everError)

Processes an AU request.

Default: in addition to what are handled by HtmlBasedComponent.service(AuRequest, boolean), it also handles onURIChange.

Specified by:

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

Overrides:

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

Since:

5.0.0

isChildable

protected boolean isChildable()

Default: not childable.

Overrides:

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

getExtraCtrl

public Object getExtraCtrl()

Specified by:

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

Overrides:

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