org.apache.tapestry
Interface PageRenderSupport

All Superinterfaces:

IScriptProcessor

All Known Implementing Classes:

Body, PageRenderSupportImpl

public interface PageRenderSupport
extends IScriptProcessor

Extends IScriptProcessor with a handful of additional methods needed when rendering a page response.

Since:

4.0

Author:

Howard M. Lewis Ship

See Also:

Body, TapestryUtils.getPageRenderSupport(IRequestCycle, IComponent)

Method Summary

String	getPreloadedImageReference(IComponent target, String url) Sets up the given URL to preload, and returns a reference to the loaded image, in the form of a snippet of JavaScript expression that can be inserted into some larger block of JavaScript as a function parameter, or as a property assignment.
String	getPreloadedImageReference(String url) Deprecated. To be removed in 4.2, use getPreloadedImageReference(IComponent, String) instead.

Methods inherited from interface org.apache.tapestry.IScriptProcessor

addBodyScript, addBodyScript, addExternalScript, addExternalScript, addInitializationScript, addInitializationScript, getUniqueString

Method Detail

getPreloadedImageReference

String getPreloadedImageReference(String url)

Deprecated. To be removed in 4.2, use getPreloadedImageReference(IComponent, String) instead.

Sets up the given URL to preload, and returns a reference to the loaded image, in the form of a snippet of JavaScript expression that can be inserted into some larger block of JavaScript as a function parameter, or as a property assignment. A typical return value might be tapestry_preload[7].src.

getPreloadedImageReference

String getPreloadedImageReference(IComponent target,
                                  String url)

Sets up the given URL to preload, and returns a reference to the loaded image, in the form of a snippet of JavaScript expression that can be inserted into some larger block of JavaScript as a function parameter, or as a property assignment. A typical return value might be tapestry_preload[7].src.

Parameters:

target - The component url being loaded for

url - The asset URL to preload