net.sf.wcfart.wcf.scroller.package.html Maven / Gradle / Ivy

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Keeping the scroll position in the browser between requests.

Usage of this package

A jsp page typically consists of one or more HTML
forms that contain WCF components like trees and tables.
Some user actions like expanding a tree node or sorting a table
column do support keeping the current scroll position.

WCF demo pages contain the necessary code. For new jsp
pages take the following steps


Include a reference to the scroller java script file (/wcf/scroller.js)
Include the <wcf:scroller/> tag inside the HTML form
    that contains the components. This will generate additional
    hidden fields which are required by the java script code



For new request handlers that require keeping the position add the
following function call to the handleRequest() method of your handler

  public void handleRequest(RequestContext context) {
    Scroller.enableScroller(context);
    ...
  }

This ensures that the browser will keep it's scroll position
after the request is finished.