On Wed, 14 Feb 2024 19:25:27 GMT, Andy Goryachev <ango...@openjdk.org> wrote:
>> `TreeTableRow` does not check the item with `isItemChanged(..)`, unlike all >> other implementations of the cell. >> >> This also means that the `TreeTableRow` always updates the item, although it >> should not, resulting in a performance loss as a `TreeTableRow` will always >> call `updateItem(..)`. >> >> It looks like that this was forgotten in >> [JDK-8092593](https://bugs.openjdk.org/browse/JDK-8092593). >> >> Checking the whole history, it looks like the following was happening: >> 1. There was a check if the item is the same in all cell implementations >> (with `.equals(..)`) >> 2. Check was removed as it caused bugs >> 3. Check was readded, but instead we first check the index (same index) and >> then if we also have the same item (this time with `.isItemChanged(..)`, to >> allow developers to subclass it) >> 4. Forgotten for `TreeTableRow` inbetween this chaos. >> >> Added many tests for the case where an item should be changed and where it >> should not. >> Improved existing tests as well. Using `stageLoader`, as before the tests >> only created a stage when doing the assert. >> >> NOTE: The update logic is now the same as for all other 5 cell >> implementations. Especially `TreeCell` (since it is for a tree structure as >> well). > > modules/javafx.controls/src/main/java/javafx/scene/control/TreeTableRow.java > line 424: > >> 422: // proceed with the code following this, so that we >> may >> 423: // still update references, listeners, etc as >> required. >> 424: break outer; > > I understand neither the comment nor this `break outer;`: there is no code > that follows `outer: if`, so we might as well `return`, right? Yes! I did it this way to be consistent with all other cell implementations. I really think that this should be refactored, I can also create a ticket for this. My preference would be to be consistent now, but change it for all cell implementations in one go. What is your opinion? > modules/javafx.controls/src/test/java/test/javafx/scene/control/TreeTableViewTest.java > line 1777: > >> 1775: } >> 1776: >> 1777: @Test public void testSetChildrenShouldUpdateTheCells() { > > we probably should have `@Test` on its own line sure, just copied from above. ------------- PR Review Comment: https://git.openjdk.org/jfx/pull/1360#discussion_r1490048165 PR Review Comment: https://git.openjdk.org/jfx/pull/1360#discussion_r1490049249