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Support Article

Modal dialog opens bottom of screen in Mashup portal

SA-83312

Summary



When launching a modal dialog in Pega Web Mashup, the center of the Viewport does not display. Instead, the center of the Mashup gadget height displays.


Error Messages



Not Applicable


Steps to Reproduce

  1. Configure a harness with a section which has a button with Launch local action.
  2. Generate the Mashup for the harness.

 

Root Cause



A defect in Pegasystems’ code or rules.

The modal dialog not loading the center of the viewport implies that the content of the iFrame is large and shifted below the fold. For the modal dialog, the  position is calculated based on the top document reference. There is no mechanism to access the parent window if it is in a different domain (that is, cross-origin policy).



Resolution



Perform the following local-change:

Apply the below styles and attribute to Mashup DIV:

style="overflow:auto;width:100%; height: 800 px;" 

data-pega-resizetype ='fixed'

Published August 19, 2019 - Updated December 2, 2021

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