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Browser with PDF hides RAP combo drop-down [message #1797844]

Wed, 07 November 2018 11:33

Flavio Donze

Messages: 211
Registered: July 2009
Location: Switzerland

Senior Member

Hello

In my RAP application I have a few combos and a browser below which shows a pdf file:
index.php/fa/34269/0/

The problem, if the combo opens the dropdown it vanishes behind the pdf.

Any known workaround for this? Doing some research I found out that setting the "z-index:-1;" would probably help, but I didn't find a way to add it to the browser widget.
Declaring it in the CSS throws an error:
org.w3c.css.sac.CSSException: Failed to read property zindex: Unknown property z-index

Attachment: pdf.PNG
(Size: 4.31KB, Downloaded 278 times)

Prozessmanagement und Qualitätsmanagement Software QMS/IMS
https://www.scodi.ch

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Re: Browser with PDF hides RAP combo drop-down [message #1797845 is a reply to message #1797844]

Wed, 07 November 2018 11:54

Vincenzo Caselli

Messages: 235
Registered: January 2012

Senior Member

Hi Flavio,
we have many RAP applications with this same problem still unsolved, see here

https://www.eclipse.org/forums/index.php?t=msg&th=629619&goto=1224742&#msg_1224742

We had to surrender the fact that, if using IE or Edge, when showing a PDF any other drop-down, dialog or similar are being hidden by the PDF layer.
In particular, if a dialog is shown (either an application specific one or an automatic one that comes from an error) and its completely under the PDF, then the UI experience is terrible, since the user sees a freezed UI (grey-inactive all around the PDF), but has no clue how to get out of this (well, generally hitting the Return key closes the underlying dialog).

Up to now we changed the layout and tried to intercept every dialog and replace them with a message in a component that shows in a side area (with respect to the PDF area), or reducing the PDF area trying to avoid the overlapping.

If you find a better way, please update us in this thread!
HTH
Thank you
Vincenzo
RCP Vision

[Updated on: Wed, 07 November 2018 11:55]

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Re: Browser with PDF hides RAP combo drop-down [message #1797849 is a reply to message #1797845]

Wed, 07 November 2018 12:45

Flavio Donze

Messages: 211
Registered: July 2009
Location: Switzerland

Senior Member

Thanks for your reply. Will post if I come up with a solutions, but maybe I'll just redesign the UI and place the combos somewhere else.

Prozessmanagement und Qualitätsmanagement Software QMS/IMS
https://www.scodi.ch

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Re: Browser with PDF hides RAP combo drop-down [message #1799402 is a reply to message #1797849]

Thu, 06 December 2018 09:04

Linuxhippy Mising name

Messages: 71
Registered: July 2009

Member

Bets would be to use a non-native PDF viewer like PDF.js.
PDF.js draws into a normal HTML5 canvas and therefore conforms to Z-Ordering.

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