On Sunday, November 14, 2010 09:38:52 am John Fabiani wrote:
> On Sunday, November 14, 2010 09:19:03 am Carey Gagnon wrote:
> > > My app goes one step further in that I can add clients (builders in my
> > > case) , which are added via a child form launched from the main form.
> > > When I close the child form how do I update the dropdownlist?
> > >
> > > from the parent form:
> > >
> > > ## *!* ## Dabo Code ID: dButton-dPanel
> > >
> > > def onHit(self, evt):
> > > self.Form.newRecordBuilder()
> > >
> > > def newRecordBuilder(self):
> > > dabo.ui.createForm("frmBuildersAdd.cdxml", show=True, parent=self)
> > > self.hide()
> > >
> > > back to the parent from the child:
> > >
> > > def closeProgram(self,evt):
> > > self.openBuildersForm = True
> > >
> > > self.close()
> > >
> > > def beforeClose(self, evt):
> > > if self.openBuildersForm:
> > > self.Parent.show()
> > >
> > > Thanks
> > > Carey
> >
> > Ok...my 1st question can be ignored. Adding:
> >
> > def afterSave(self):
> > # This will only get called if the save succeeds
> > self.requery()
> >
> > Now updates the grid with the new value.
> >
> > Could still us some help on updating the dropdown list however.
> >
> > Thanks
> > Carey
>
> OK you found a solution to the first problem.
>
> The dropdown choices are static. In most cases this works well because
> most dropdowns use static list - like US states. But in this case you
> have to update the dropdown. The way I have been successful is to create
> a new class for my dropdowns. In the new class I override the update
> method like below. So when an update occurs my dropdown is updated.
>
> class CourseDropDown(dabo.ui.dDropdownList):
> def update(self):
> self.removeAll()
> self.Choices,self.Keys = self.Form.courseChoices()
> self.super()
>
> "self.Form.courseChoices" is a method that retrieves the data.
>
> And this is how I create the control on the form.
>
> courselist=CourseDropDown(self, Width = 500, ValueMode = 'key', RegID =
> 'courseID', DataSource = "public.esenroll", DataField = "fk_escourse")
>
> I don't recall how to add a new class to ClassDesigner and how to use it.
> But I think Ed provided a way to get this done.
>
> As always maybe this is not the best way and anyone can correct me.
>
> Johnf
You might want to check out the dynamic* stuff. I always wanted to see if I
could use it with dropdowns.
Johnf
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