On Thursday, June 9, 2016 at 1:42:29 PM UTC-7, desta wrote: > > The book part that I mentioned is a part of much larger form, that has > more dynamic elements. So I was thinking it was a good idea to store the > whole form into a single table to keep things manageable. If I understand > correctly you suggest to break up the form on db-side, and create a table > for each dynamic part of the form (similar to the books example). > > You may want to give us a more detailed example, but using a temporary table to hold things is certainly one possible solution.
/dps > On Thursday, June 9, 2016 at 11:35:28 PM UTC+3, Dave S wrote: >> >> >> >> On Thursday, June 9, 2016 at 1:19:35 PM UTC-7, desta wrote: >>> >>> Well, I am really not sure how to implement this on database-side >>> either, so any feedback from you, more experienced people, would be very >>> insightful. >>> >>> Here is an example form of what I mean: >>> >>> A form that a user can enter books they like. So there is a title field >>> that accepts the name of the book. Also there is a button 'Add more books' >>> that will create an additional text field for the user to enter an >>> additional book title. The amount of books a user can add is unconstrained, >>> therefore, one user may add only 1 book and other user can add 100 books. >>> >>> I don't see how it is possible to store such information in a table in a >>> conventional way. One way I am thinking to implement this, is to create a >>> JSON string that contains all the information of the form and just enter >>> that into the table. What do you think about this method? >>> >>> Thanks again. >>> >> >> >> An additional book would be in additional row in a table. >> >> --------------------------------------------------------- >> |author | title | >> --------------------------------------------------------- >> | Henry X | The Importance of Y | >> --------------------------------------------------------- >> | Dorothy D | Information Warfare and Security | >> --------------------------------------------------------- >> | Peter D | An Exploration of Writing | >> --------------------------------------------------------- >> | Phoebe S | Birding on Borrowed Time | >> --------------------------------------------------------- >> | add more | >> ------------- >> >> >>> >>> On Thursday, June 9, 2016 at 10:23:58 PM UTC+3, Dave S wrote: >>>> >>>> >>>> >>>> On Thursday, June 9, 2016 at 11:47:43 AM UTC-7, desta wrote: >>>>> >>>>> Hello everyone, >>>>> >>>>> My current task is to create a form where fields can be added/removed. >>>>> Is it possible to handle such forms with web2py? >>>>> >>>>> Thanks. >>>>> >>>> >>>> I am not sure I understand what you want to do. >>>> >>>> Is it >>>> >>>> a) have a database table that doesn't change its layout, but you want >>>> to present different sets of columns at different times? >>>> b) have a database table that doesn't change its layout, but you want >>>> to hide or unhide columns as the user views the data? >>>> c) something else? >>>> >>>> a) is not difficult, if you use the SQLFORM and its relatives ... there >>>> are settings for hiding fields. >>>> b) is a little more difficult; you may have to choose to reload the >>>> page, use ajax requests to reload the form, or use javascript to hide >>>> columns yourself. >>>> >>>> <URL:http://web2py.com/books/default/chapter/29/07/forms-and-validators >>>> > >>>> >>>> Good luck! >>>> >>>> /dps >>>> >>>> -- Resources: - http://web2py.com - http://web2py.com/book (Documentation) - http://github.com/web2py/web2py (Source code) - https://code.google.com/p/web2py/issues/list (Report Issues) --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to web2py+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.