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, org.apache.tapestry.TapestryUtils#getPageRenderSupport(IRequestCycle, Object)

Method Summary

java.lang.String

getPreloadedImageReference(java.lang.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.

Methods inherited from interface org.apache.tapestry.IScriptProcessor

addBodyScript, addExternalScript, addInitializationScript, getUniqueString

Method Detail

getPreloadedImageReference

java.lang.String getPreloadedImageReference(java.lang.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.