FileTreeComponent doesn't restore openness after refresh

[chkn]

Because a FileTree loads child-trees dynamically in background thread you have to give it some time and reapply the opennessState a few times, so that the restoring can be applied to child-trees.

Here is one solution, maybe there are some more elegant solutions at this forum

Trouble with FileTreeComponent/setOpenessS

i want to refresh the FileTree, to update the FileStructure (to see new files etc.) Because of that i’m doing fileList->refresh(); but than all sub-items are closed. So i have to restore the openness state But because DirectoryContentsList loads the files dynamically in a background thread, the restoreOpeness will not work. Because if you open a subitem, it takes a while, to reload its content. If found a workaround, restoring the update state 10 times in a second, so that the DirectoryConte…