Thanks for sharing this. Best regards, Tom.
On Wednesday, November 25, 2020 at 4:44:40 AM UTC+1 roge...@gmail.com wrote: > Glad you got it working. > > I send javascript from my controller back to the view for some custom > control widgets. That sounds similar to what you want to do. > > I dont know where i found the original code sample to do that - not in the > book I dont think. This page > http://www.web2pyslices.com/slice/show/1446/widget-select-or-add-option > you will see an example of how it can be done. To be honest I dont fully > understand how the wrapper works. But i got some nice custom controls > working nonetheless :) > > > def widget(self, field, value): > #generate the standard widget for this field > select_widget = OptionsWidget.widget(field, value) > > #get the widget's id (need to know later on so can tell receiving > controller what to update) > my_select_id = select_widget.attributes.get('_id', None) > add_args = [my_select_id] > #create a div that will load the specified controller via ajax > form_loader_div = DIV(LOAD(c=self.controller, f=self.function, > args=add_args,ajax=True), _id=my_select_id+"_dialog-form", > _title=self.form_title) > #generate the "add" button that will appear next the options widget > and open our dialog > activator_button = A(T(self.button_text), > _id=my_select_id+"_option_add_trigger") > #create javascript for creating and opening the dialog > js = '$( "#%s_dialog-form" ).dialog({autoOpen: false, show: "blind", > hide: "explode", width: %s});' % (my_select_id, self.dialog_width) > js += '$( "#%s_option_add_trigger" ).click(function() { $( > "#%s_dialog-form" ).dialog( "open" );return false;}); ' % (my_select_id, > my_select_id) #decorate our activator button for good measure > js += '$(function() { $( "#%s_option_add_trigger" ).button({text: > true, icons: { primary: "ui-icon-circle-plus"} }); });' % (my_select_id) > jq_script=SCRIPT(js, _type="text/javascript") > wrapper = DIV(_id=my_select_id+"_adder_wrapper") > wrapper.components.extend([select_widget, form_loader_div, > activator_button, jq_script]) > return wrapper > > > > > > ___________________________ > *www.TenOutOfTen.org* <https://www.TenOutOfTen.org> > roge...@gmail.com > (+95) 09 250018669 <+95%209%20250%20018%20669> (Myanmar) > > > > On Fri, 20 Nov 2020 at 19:09, Tom Clerckx <tcle...@gmail.com> wrote: > >> OK, I was able to do it with SQLFORM.grid(), using jQuery by: >> * registering a change function on the #shelves_genre field >> * execute an XMLHttpRequest upon a change of #shelves_genre that updates >> the innerHTML of #shelves_shelve_items >> >> It would be nice however if something similar (registering form-events >> onchange/onselect/...) could be achieved when e.g. creating the form, so >> that you can do it in python instead of having to add the javascript >> functions. >> >> >> >> On Friday, November 13, 2020 at 3:53:23 PM UTC+1 Tom Clerckx wrote: >> >>> Hi, >>> >>> Considering the sample code below. >>> I have manually populated the books table with a number of books for >>> different genres. >>> Now I can create an entry in the shelves table, using the SQLFORM.grid >>> The shelve_items will be shown as a dropdown list with the books that >>> I've added >>> >>> What I would like is to update the contents of the shelve_items dropdown >>> list in the form, based on the selected genre in that same form. >>> >>> In the past I did something similar, using a SELECT() box and adding an >>> onchange=ajax(...) call to update a DIV elsewhere in the page. >>> >>> I was wondering however, if there is a better way to do this directly in >>> the SQLFORM.grid() >>> >>> >>> =========== >>> index.html >>> =========== >>> {{extend 'layout.html'}} >>> {{=form}} >>> >>> =========== >>> default.py >>> =========== >>> >>> def index(): >>> form = SQLFORM.grid(db.shelves, user_signature=False) >>> return dict(form=form) >>> >>> ====== >>> db.py >>> ====== >>> genres = ['thriller', 'sf', 'roman', 'fantasy'] >>> db.define_table('books', >>> Field('name', 'string'), >>> Field('author', 'string'), >>> Field('genre', 'string', requires=IS_IN_SET(genres)), >>> format='%(name)s' >>> ) >>> db.define_table('shelves', >>> Field('genre', 'string', requires=IS_IN_SET(genres)), >>> Field('shelve_items', 'reference books'), >>> ) >>> >>> -- >> 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+un...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/web2py/61c5b124-cf09-4df5-aa58-dd6589bc63b8n%40googlegroups.com >> >> <https://groups.google.com/d/msgid/web2py/61c5b124-cf09-4df5-aa58-dd6589bc63b8n%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- 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. To view this discussion on the web visit https://groups.google.com/d/msgid/web2py/256f5ca3-fc6b-4b5f-b819-a6f37aa54e82n%40googlegroups.com.
