Thanks for all the answers The Collection#toArray does not work in my case because dataTables.net are a bit sensitive in the input. It stumbles upon java.lang stuff later on. Here
> buttons = new String[] {"copyHtml5"}; >> > while buttons2 is the correct one created with your previous suggestion. 1. buttons: 1. 0:"copyHtml5" 2. __elementTypeCategory$:6 3. __elementTypeId$:2 4. java_lang_Object__1_1_1clazz:java_lang_Class_Class__V 5. java_lang_Object_castableTypeMap:Object 6. java_lang_Object_typeMarker: com_google_gwt_lang_Runtime_typeMarkerFn__V() 7. length:1 8. __proto__:Array[0] 2. buttons2:Array[1] 1. 0:"copyHtml5" 2. length:1 3. __proto__:Array[0] About Array vs [] I am not js expert and looking for the difference I hit this http://stackoverflow.com/questions/931872/what-s-the-difference-between-array-and-while-declaring-a-javascript-ar Check this answer http://stackoverflow.com/questions/931872/what-s-the-difference-between-array-and-while-declaring-a-javascript-ar/1273936#1273936 So I though if that could work with GWT and I tried it. Also thanks for the link I bookmarked it. On Thu, May 12, 2016 at 1:20 PM, Thomas Broyer <t.bro...@gmail.com> wrote: > > > On Thursday, May 12, 2016 at 11:51:11 AM UTC+2, Vassilis Virvilis wrote: >> >> Thomas thanks, >> >> Wow I did this and it works. But it is crazy. Cr is for crazy. Kudos to >> jsinterop guys though. >> >> @JsType(isNative = true, namespace = JsPackage.GLOBAL, name = "[]") >> >> > You should probably use "Array" rather than "[]" > > >> public interface CrJsArray<T> { >> >> public void push(T value); >> >> @JsProperty >> public int getLength(); >> } >> >> >> I tried your suggestion to cast and __also works__ (eclipse complains >> about but with (JavaScriptObject) (Object) my_native_object) it works and >> it is definitely better. >> > > Also, for converting from a java.util.Collection to an array, how about > simply using Collection#toArray? (and then passing the array to JS through > JsInterop) > > >> Questions >> 1) Is JavaScriptObject scheduled for deprecation? >> > > Yes, it'll be replaced with JsInterop. > > >> 2) Should a native type be able to extend JavascriptObject. Because right >> now (2.8pre1) fails at run time. That would make casting a bit saner. >> Should I report it somewhere? >> > > This is probably on-purpose. > > >> I tried to look for the reference you gave but I didn't find it. Wrong >> keywords maybe... >> > > I found this: > https://groups.google.com/d/topic/google-web-toolkit/nmBAOX4vcSo/discussion > Not exactly what I remembered, but touches similar points. > > >> >> On Thu, May 12, 2016 at 12:20 PM, Thomas Broyer <t.bro...@gmail.com> >> wrote: >> >>> That question came up already in the forum or in GWT-Contrib (try to >>> search the archive), and I seem to recall that Goktug said you could cast >>> @JsType(isNative=true) objects to/from JavaScriptObject, so you could use >>> JsArray (and JsonUtils.safeEval). I think you can also cast to/from an >>> array of @JsType(isNative=true), so if you don't need to alter the size of >>> the JS array you can then use the bracket operators on a Java array (and >>> cast from/to a JavaScriptObject). >>> This is only out of memory, please double check from the forum archives. >>> >>> >>> On Thursday, May 12, 2016 at 10:47:51 AM UTC+2, Vassilis Virvilis wrote: >>>> >>>> Hi again, >>>> >>>> I am trying to convert a jre collection or build a jsArray with a >>>> isNative=true type. >>>> >>>> Unfortunately this is not possible because JsArray requires >>>> JavascriptObject which is invcompatible (complie time error) with native >>>> classes. >>>> >>>> Any ideas? >>>> >>>> I looked on deep dive jsinterop from Ray Cromwell and it says that >>>> there is not a clean way for jsinterop1 to align collections. Ok I get that >>>> - but there must be a way even if not the nicest/cleanest one. >>>> >>>> Otherwise looks like I have to create my own @jsinteroped MyJsArray >>>> which looks wrong. >>>> >>>> -- >>>> Vassilis Virvilis >>>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "GWT Users" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to google-web-toolkit+unsubscr...@googlegroups.com. >>> To post to this group, send email to google-web-toolkit@googlegroups.com >>> . >>> Visit this group at https://groups.google.com/group/google-web-toolkit. >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> >> >> -- >> Vassilis Virvilis >> > -- > You received this message because you are subscribed to the Google Groups > "GWT Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to google-web-toolkit+unsubscr...@googlegroups.com. > To post to this group, send email to google-web-toolkit@googlegroups.com. > Visit this group at https://groups.google.com/group/google-web-toolkit. > For more options, visit https://groups.google.com/d/optout. > -- Vassilis Virvilis -- You received this message because you are subscribed to the Google Groups "GWT Users" group. 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