Thanks for your question. I attached a image to https://issues.apache.org/jira/browse/FLEX-13628
In the AdvancedDataGridBaseEx.as Line 3056 the item.getExplicitOrMeasuredHeight() is every time 20. So when you look at my example image, the Label in the ItemRenderer has 2 lines. But the calculated 20 is only correct, when the Label has 1 line. I really have no idea and of course not that experience in the "Flex internal functions", but I think the setupRendererFromData function in the AdvancedDataGridBaseEx.as doesn't "create" a correct ItemRenderer with the correct sizes. Especially when ItemRenderer has a Label with variable multiline data. In this setupRendererFromData function we set the explicitWidth for the ItemRenderer, but it seems that the text-calculating of the Label (in the function createTextLinesFromTextBlock Label.as 904) inside this ItemRenderer uses still the maxWidth = 10000 as innerWidth when calculating the height. I am also wondering that a lot of explicitHeight and measuredHeight values are NaN in and after running the setupRendererFromData function. So maybe the ItemRenderer is not setup correctly? Really, I have no clue. Am 14.03.2014 um 17:25 schrieb Alex Harui <aha...@adobe.com>: > What is wrong with the label height calculation? > > On 3/14/14 9:17 AM, "Marcus Fritze" <marcus.fri...@googlemail.com> wrote: > >> >> Am 13.03.2014 um 20:40 schrieb Alex Harui <aha...@adobe.com>: >>> >>> And if you are using an IDE like IntelliJ or FB, then the easiest path >>> is >>> to use monkey-patching. Create a test project, point the source-path to >>> include the modified AdvancedDataGridBaseEx.as and see if it works. >> >> Thanks, this is working very good. >> >> But, the problem with the AdvancedDataGridBaseEx.as seem to be a bigger >> problem. >> It seem that the height of the text in Label inside a ItemRenderer is not >> calculated correct. >
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