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# haxe-ui
  • b
    TreeView is still considered "experimental" so, undoubtedly there will be issues there, though im certainly more than happy to hear (and fix) any perf issues that come up
  • b
    i use it quite extensively, and there are issues ive noticed: for example, i use it to display json results from webservices, one of the json responses had like 1000+ json attributes (so 1000+ treeview nodes), although that populated, it certainly wasnt quick
  • n
    What about performance of TreeView? I was trying yesterday(native windows target) to fill in data which Several Thousands of items which seemed to be a little slow. It could be my code though.
  • f
    @bright-gpu-74537 Ok cool, once it's big enough, I'll sent it to you 🙂 ( if I don't change the organisation once again haha)
  • b
    i doubt its your code (see above), maybe there are enhancements that can (and should) be made there... 1000+ items is alot though, and treeview doesnt have any form of virtualisation (like listview and tableview do)
  • b
    a test app would be useful, i mean, im sure i could knock one up, but it'll save me time, and generally, is more useful to get someone elses use case (rather than me having to guess usage)
  • n
    Makes sense, I will see if I and can wrap something up that illustrates the problem - biggest thing is that I need to untangle my company's proprietary code first.
  • p
    Its a little weird on "wrap catching"
  • p
  • p
    Maybe this is more helpfull.
  • p
    The latter half I delete 1 "i"
  • p
    By the way, after testing in builder and seeing the issue, I started working on my app and it doesnt have the same issue anymore. So it appears to be issue on builder only?
  • p
    Thank you Mr Ian sir
  • p
    Any easy way to make column sort by Int instead of String? Sort first column and values are 1,10,11.. instead of 1,2,3... http://haxeui.org/builder/?otxlqm
  • b
    ah, yeah, this is shitty, i actually removed code ages ago that i thought wasnt needed but it seems it was
  • b
    that said, this does highlight the fact that you cant easily override with your own sort... ... or can you?
  • b
    yeah, you could listen to the header column clicks and apply your own sort to the datasource... ... that said, it would probably be nicer for the tableview to emit some event when it think sorting needs to occur
  • p
    to do the header click I would have to 1. Turn sort off. 2. Apply sorting icons to header based on custom sort. 3. Apply custom sort?
  • p
    assuming I wanted the icons I mean
  • b
    oh, there is already sort event... however, its not really emitted by the tableview, i think ill fix that
  • b
    right, ok, so in git core, you can no do something like:
  • b
    Copy code
    haxe
        myTable.onSortChanged = function(e) {
            e.cancel(); // stop default sort from happening
            myTable.dataSource.sortCustom(...);
        };
  • p
    gotcha, cool, will test
  • b
    and if you want to know what column etc, you can use:
  • b
    Copy code
    haxe
            var column = cast(e.target, Column);
            var field = column.id;
  • b
    i still think the default sort should be fixed, but it does highlight a need, potentially, for custom sorting, which wasnt really an option with out that sort event being emitted (since there are mulitple columns etc)
  • p
    agreed. I'll add the custom and if default ever chagnes...well, maybe I'll do nothing because custom mworks...but I'll test it either way
  • b
    heres the (default) sort from tableview for ref:
    Copy code
    haxe
            var column = cast(e.target, Column);
            var field = column.id;
            if (column.sortField != null) {
                field = column.sortField;
            }
            _tableview.dataSource.sort(field, e.direction);
  • p
    So I do nothing but paste? I should just quit my job and pipe all work to you
  • p
    oh, wait, copy/paste
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