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Missing access methods in JFXApp #218

benedictleejh opened this issue Oct 22, 2015 · 1 comment

Missing access methods in JFXApp #218

benedictleejh opened this issue Oct 22, 2015 · 1 comment


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In JavaFX, when extending the abstract class Application, the user has access to the following methods that have no equivalent in ScalaFX:

HostServices getHostServices()
static String getUserAgentStylesheet()
static void setUserAgentStylesheet(String url)

HostServices provides a bunch of useful things like "code base and document base for an Application, show a web page in a browser, and communicate with the enclosing web page using JavaScript if the Application is running in a browser" (quoted from

The user agent stylesheet allows the user to set up a quick way to theme a whole JavaFX application without too much trouble using CSS. I understand that there are classes that expose a user agent stylesheet method, if those are equivalent to the application-level user agent stylesheet, please disregard the relevant methods.

I'm not sure how difficult it would be to incorporate these methods in JFXApp given the indirect call to javafx.application.Application, but a quick stopgap measure would be to expose the underlying JavaFX Application, so that we can have access to these methods.

@jpsacha jpsacha added this to the 8.0.*-R10 milestone Oct 24, 2015
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jpsacha commented Oct 24, 2015

getUserAgentStylesheet/setUserAgentStylesheet are static so require minimal changes.

getHostServices will require reference to running JavaFX Application it can be done through scalafx.application.AppHelper

jpsacha added a commit that referenced this issue Oct 26, 2015
Also add simple usage example and deprecate methods using Java naming convention.
@jpsacha jpsacha closed this as completed Oct 26, 2015
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