Question about hgTrackUi

[Audrey Michel]

Hi there,

With a previous version of the kent source code (version 320), we added our own entry in the hgTrackUi script to display a button that on click opened a plot in a new tab.

printf("<INPUT TYPE=\"button\" ONCLICK=\"window.open('%s'); return false;\" VALUE=\"View plots\">\n<BR><BR>\n", fullPath_toPlots);

With the more recent kent source code version 347,  we added the above command to the hgTrackUi and compiled, but while the button displays correctly, nothing happens when we click on the button.

Would you have any ideas as to why it worked before, but not now? Or if you have an alternative solution that would be helpful. 

Thanks,

Audrey

[Christopher Lee]

Hi Audrey,

Thank you for your question about modifying hgTrackUi to point to your custom plots. We recently updated our code to reflect Content Security Policy (https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP) security upgrades. Now if you would like to add a button, you will need to do it like so:

char viewPlotsJs[1024];
safef(viewPlotsJs, sizeof(viewPlotsJs), "window.open('%s'); return false;", fullPath_toPlots);
cgiMakeOnClickButton("viewPlotsButton", viewPlotsJs, "View plots");

instead of:

printf(...onclick...)

Please let us know if you have any further questions!

Thank you again for your inquiry and using the UCSC Genome Browser. If
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Christopher Lee
UCSC Genomics Institute

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[Audrey Michel]

Hi Christopher,

Thank you very much for providing the explanation as to why our previous code no longer works.

We have since used your cgiMakeOnClickButton approach which works.

Kind regards,

Audrey