>Hum... if you can explain more I would appreciate it... because maybe this can be improved in Wicket itself.
If use FileUploadField#setRequired(true), FormComponent #validateRequired -> #checkRequired will be executed. But FileUploadField#getInput() returns null, so validation result in an error. Therefore, It seems that the Behavior's(FilesSelectedBehavior) event that FileUploadField has is not fired. 2022年6月10日(金) 21:19 Ernesto Reinaldo Barreiro <reier...@gmail.com>: > Hi, > > On Fri, Jun 10, 2022 at 2:31 PM Ryo Tsunoda <try0.developm...@gmail.com> > wrote: > > > Thanks for the reply. > > > > I have tried it and I can display the error without changing the request > > limit. > > Thank you. > > > > Yes. This is just a kind of preprocessing. When the file (files) is (are) > selected the info is collected via JavaScript and is sent to the server. > Thus you can decide what to do before uploading: e.g an upload button might > only be enabled if file (files) match your expectations regarding type, > syze and so on. > > > > It does not seem to work well when used with FileUploadField#setRequired. > > I will change the implementation of the required validation and then use > > that. > > > Hum... if you can explain more I would appreciate it... because maybe this > can be improved in Wicket itself. > > > > > > > 2022年6月10日(金) 16:21 Ernesto Reinaldo Barreiro <reier...@gmail.com>: > > > > > See > > > > > > > > > > > > https://javadoc.io/doc/org.apache.wicket/wicket-core/9.4.0/org/apache/wicket/markup/html/form/upload/FilesSelectedBehavior.html > > > > > > This behavior can be used to get an AJAX round trip to the server when > > the > > > user selects a file (or files). Then you can use that information to > let > > > the user know the selected file is bigger than it should (and possibly > > > disable the upload "button"). > > > > > > > > > On Thu, Jun 9, 2022 at 2:57 PM Ryo Tsunoda <try0.developm...@gmail.com > > > > > wrote: > > > > > > > Hi. > > > > > > > > Looking at Form#onFileUploadException, I see that it sets an error > > > message > > > > (resource key: uploadTooLarge), is there any way to display this > error > > in > > > > the browser? > > > > > > > > I use Form#setMaxSize and > > ApplicationSettings#setDefaultMaximumUploadSize > > > > methods. > > > > When I upload a file that exceeds these settings, I would like to > > return > > > a > > > > response with an error message and display it on browser. However, > the > > > > browser displays [ERR_CONNECTION_RESET] now. > > > > > > > > > > > > Regards, > > > > Ryo Tsunoda. > > > > > > > > > > > > > -- > > > Regards - Ernesto Reinaldo Barreiro > > > > > > > > -- > Regards - Ernesto Reinaldo Barreiro >
