Here you go: http://qooxdoo.org/documentation/developer/modifyobjectpropertiesatruntime
Edit and correct it if necessary... Christian Sebastian Werner schrieb: > Christian Boulanger schrieb: > >> Once again, I post too early for my own good. Of course, the properties >> are there. I didn't see that the _modifyFoo methods need to return >> "true" in order to work. The error message was, after all not about a >> setter not being there, but that the setter "failed without exception". Duh. >> >> If there is interest, I'll post a little note on how to extend the >> property list at runtime on the wiki... >> > > Yes please, as this is one of the nice things of javascript or in > general of highly dynamic languages. > > BTW: Internally QxTarget.addProperty attaches the new setters/getters to > QxTarget.prototype. > > Sebastian > > >> Christian >> >> Christian Boulanger schrieb: >> >>> Hi Derrell, >>> >>> thanks for your quick answer! >>> >>> QxTarget.addProperty did it, that is, it correctly added the properties >>> for QxTarget. >>> >>> However, I wanted to add the properties also for all descendents of >>> QxTarget, that's why I tried to attach it to QxTarget's prototype, and >>> that doesn't work. For example, QxTextField doesn't have the properties >>> I added to QxTarget. >>> >>> Is there a way around this other than modifying QxTarget's source code >>> directly? >>> >>> Christian >>> >>> [EMAIL PROTECTED] schrieb: >>> >>> >>>> Christian Boulanger <[EMAIL PROTECTED]> writes: >>>> >>>> >>>> >>>> >>>>> Hi, >>>>> >>>>> I want to extend QxTarget's property list directly (instead of creating >>>>> an extended class), but the function >>>>> addProperty are not available in QxTarget's prototype object. How & >>>>> where can I access it? >>>>> >>>>> >>>>> >>>> Both extend() and addProperty() are added to Function.prototype in >>>> QxExtend.js. It seems very strange that you could have obtained a QxTarget >>>> object, which was able to extend QxObject, but not have access to >>>> addProperty(). You _should_ be able to successfully issue >>>> >>>> QxTarget.addProperty(...) >>>> >>>> but note that it's the Function.prototype, not the QxTarget.prototype that >>>> contains addProperty(), so >>>> >>>> o = new QxTarget(...); >>>> o.addProperty(...) >>>> >>>> will fail because addProperty() does not exist in 'o'. >>>> >>>> (Sorry I can't be more helpful than that.) >>>> >>>> Cheers, >>>> >>>> Derrell >>>> >>>> >>>> _______________________________________________ >>>> Qooxdoo-devel mailing list >>>> Qooxdoo-devel@lists.sourceforge.net >>>> https://lists.sourceforge.net/lists/listinfo/qooxdoo-devel >>>> >>>> >>>> >>> _______________________________________________ >>> Qooxdoo-devel mailing list >>> Qooxdoo-devel@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/qooxdoo-devel >>> >>> >> >> _______________________________________________ >> Qooxdoo-devel mailing list >> Qooxdoo-devel@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/qooxdoo-devel >> > > > > _______________________________________________ > Qooxdoo-devel mailing list > Qooxdoo-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/qooxdoo-devel > _______________________________________________ Qooxdoo-devel mailing list Qooxdoo-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/qooxdoo-devel
