This is the discussion that I was referring to: http://apache-flex-development.2333347.n4.nabble.com/Re-1-4-git-commit-add-removeItem-to-IList-and-ListCollectionView-tp23272.html
On May 15, 2015, at 7:40 PM, Gareth Smith <garethdanielsm...@gmail.com> wrote: >> The discussion on this was in March 2013. > > This is it, I think: > > http://apache-flex-development.2333347.n4.nabble.com/ArrayList-itemUpdateHandler-Change-td7774.html > > It looks to me like the intention of the person who originally created the > new ArrayList (Michael A. Labriola) was for it to be tested with the rest > of the framework and then to replace the original ArrayList: > > "Well, first thing I think is that we make sure everything still internally > works in the framework. At some point though we will likely need to > document this and bit the bullet. > > As someone who has been intimate with the framework for years I can > guarantee you that the order of events in something like combobox has > basically changed every other versions since flex 2, so we have precedent > :) " > > However, I think the simplest thing for me to do would be to patch both > classes with the Proxy stuff. At least that way I will not be making the > framework *more* confusing. > > Gareth > > > On 14 May 2015 at 22:30, Harbs <harbs.li...@gmail.com> wrote: > >> The discussion on this was in March 2013. >> >> On May 14, 2015, at 11:03 PM, Alex Harui <aha...@adobe.com> wrote: >> >>> I just looked quickly at the differences. It appears that the second >>> ArrayList has different update event logic so it may be that it was safer >>> to create a different ArrayList so we wouldn’t have to worry about >>> backward compatibility issues. >>> >>> -Alex >>> >>> On 5/13/15, 2:31 PM, "Gareth Smith" <garethdanielsm...@gmail.com> wrote: >>> >>>> It looks like the second ArrayList was introduced by Justin Mclean in >>>> this commit: >>>> >>>> >> https://github.com/apache/flex-sdk/commit/621e4debe8cd46e9ec5a197256dc2b6e >>>> 32fc47c3 >>>> >>>> I can't figure out why it was included though. Justin? >>>> >>>> Thanks >>>> Gareth >>>> >>>> On 10/05/15 11:29, Gareth Smith wrote: >>>>> Hi, >>>>> >>>>> I am putting together a patch for ArrayList to support square-bracket >>>>> indexing and for-each loops, see: >>>>> https://issues.apache.org/jira/browse/FLEX-15159 >>>>> >>>>> I am confused by the existence of not one, but two ArrayList classes: >>>>> the "original" one at mx.collections.ArrayList and another one at >>>>> org.apache.flex.collections.ArrayList. >>>>> >>>>> Why are there two classes? Looking at their diff, I would guess that >>>>> mx.collections.ArrayList is newer: it has some additional >>>>> optimisations, and an additional toJSON() method. >>>>> >>>>> I could patch both classes, but I would rather not introduce more >>>>> duplication that might become a maintenance burden along the line. >>>>> >>>>> Thanks >>>>> Gareth >>>> >>> >> >>