Module org.apache.wicket.core

Package org.apache.wicket.markup.html.image

Class ContextImage

java.lang.Object

org.apache.wicket.Component

org.apache.wicket.markup.html.WebComponent

org.apache.wicket.markup.html.image.ContextImage

All Implemented Interfaces:

Serializable, IEventSink, IEventSource, IFeedbackContributor, IConverterLocator, IMetadataContext<Serializable,Component>, IHeaderContributor, IRequestableComponent, IHierarchical<Component>, IClusterable

public class ContextImage
extends WebComponent

Provides a context-relative image.

Provide a String in this component's model which will be prefixed such that the image is relative to the context root, no matter what URL the page the ContextImage is on is rendered at.

Author:

Alastair Maw, Igor Vaynberg (ivaynberg)

See Also:

• Serialized Form

Field Summary

Fields inherited from class org.apache.wicket.Component

ENABLE, FLAG_INITIALIZED, FLAG_RESERVED1, FLAG_RESERVED2, FLAG_RESERVED3, FLAG_RESERVED4, FLAG_RESERVED5, FLAG_RESERVED8, PARENT_PATH, PATH_SEPARATOR, RENDER, RFLAG_CONTAINER_DEQUEING, RFLAG_CONTAINER_HAS_REMOVALS

Constructor Summary

Constructors

Constructor	Description
ContextImage(String id)	Constructor.
ContextImage(String id, String contextRelativePath)	Constructor
ContextImage(String id, IModel<String> contextRelativePath)	Constructor

Method Summary

Modifier and Type	Method	Description
protected void	onComponentTag(ComponentTag tag)	Processes the component tag.

Methods inherited from class org.apache.wicket.markup.html.WebComponent

getWebApplication, getWebPage, getWebRequest, getWebResponse, getWebSession, onRender

Methods inherited from class org.apache.wicket.Component

add, addStateChange, beforeRender, canCallListener, canCallListenerAfterExpiry, checkComponentTag, checkComponentTagAttribute, checkHierarchyChange, clearOriginalDestination, configure, continueToOriginalDestination, createConverter, debug, detach, detachModel, detachModels, determineVisibility, error, exceptionMessage, fatal, findMarkupStream, findPage, findParent, findParentWithAssociatedMarkup, get, getAjaxRegionMarkupId, getApplication, getBehaviorById, getBehaviorId, getBehaviors, getBehaviors, getClassRelativePath, getConverter, getDefaultModel, getDefaultModelObject, getDefaultModelObjectAsString, getDefaultModelObjectAsString, getEscapeModelStrings, getFeedbackMessages, getFlag, getId, getInnermostModel, getInnermostModel, getLocale, getLocalizer, getMarkup, getMarkupAttributes, getMarkupId, getMarkupId, getMarkupIdFromMarkup, getMarkupIdImpl, getMarkupSourcingStrategy, getMarkupTag, getMetaData, getModelComparator, getOutputMarkupId, getOutputMarkupPlaceholderTag, getPage, getPageRelativePath, getParent, getPath, getRenderBodyOnly, getRequest, getRequestCycle, getRequestFlag, getResponse, getSession, getSizeInBytes, getStatelessHint, getString, getString, getString, getStyle, getVariation, hasBeenRendered, hasErrorMessage, hasFeedbackMessage, info, initModel, internalInitialize, internalOnModelChanged, internalRenderComponent, internalRenderHead, isActionAuthorized, isAuto, isBehaviorAccepted, isEnableAllowed, isEnabled, isEnabledInHierarchy, isIgnoreAttributeModifier, isInitialized, isRenderAllowed, isRendering, isStateless, isVersioned, isVisibilityAllowed, isVisible, isVisibleInHierarchy, markRendering, modelChanged, modelChanging, newMarkupSourcingStrategy, onAfterRender, onBeforeRender, onComponentTagBody, onConfigure, onDetach, onEvent, onInitialize, onModelChanged, onModelChanging, onReAdd, onRemove, redirectToInterceptPage, remove, remove, render, renderComponentTag, rendered, renderHead, renderPart, renderPlaceholderTag, replaceComponentTagBody, replaceWith, sameInnermostModel, sameInnermostModel, send, setAuto, setDefaultModel, setDefaultModelObject, setEnabled, setEscapeModelStrings, setFlag, setIgnoreAttributeModifier, setMarkup, setMarkupId, setMarkupIdImpl, setMetaData, setOutputMarkupId, setOutputMarkupPlaceholderTag, setParent, setRenderBodyOnly, setResponsePage, setResponsePage, setResponsePage, setVersioned, setVisibilityAllowed, setVisible, success, toString, toString, urlFor, urlFor, urlFor, urlForListener, urlForListener, visitParents, visitParents, warn, wrap

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

ContextImage

public ContextImage(String id,
 IModel<String> contextRelativePath)

Constructor

Parameters:

id - the component id

contextRelativePath - context-relative path eg images/border.jpg

ContextImage

public ContextImage(String id,
 String contextRelativePath)

Constructor

Parameters:

id - the component id

contextRelativePath - context-relative path eg images/border.jpg

ContextImage

public ContextImage(String id)

Constructor. Uses the url from the src markup attribute and makes it relative to the context path

Parameters:

id - the component id

Method Details

onComponentTag

protected void onComponentTag(ComponentTag tag)

Description copied from class: Component

Processes the component tag. Overrides of this method most likely should call the super implementation.

Overrides:

onComponentTag in class Component

Parameters:

tag - Tag to modify

See Also:

• Component.onComponentTag(ComponentTag)