John,
I am working on a similar requirement. I want to show the mandatory
fields in datagrid as a validation error(red border). Could you provide your
custom item renderer that you created.
Thanks in Advance
Ravi
--- In flexcoders@yahoogroups.com, "j_lentzz" <jele...@...> wrote:
>
> True. Good idea. I've already coded the method to increment a
> counter to display number of failed items. I'll modify the item
> renderer too and see what appears.
>
> Thanks,
>
> John
> --- In flexcoders@yahoogroups.com, "Roman Protsiuk"
> <roman.protsiuk@> wrote:
> >
> > Then all you need is dataProvider. Validate items held in there. And
> change
> > some property of the item that indicates whether it's valid or not. Then
> > item renderer easily can draw something bad basing on that info.
> >
> > R.
> >
> > On 9/19/07, j_lentzz <jelentz@> wrote:
> > >
> > > I'm doing something like that right now for the individual cells.
> > > I've integrated a validator into the cell object. However, I need to
> > > be able to validate the complete datagrid when the save button is
> > > pressed. If the user never moves to a cell, I can't use the
> > > itemEditEnd to validate, I need to move through the data and check.
> > > Using the itemEditor.newInstance() and calling my validation routine,
> > > I can detect that a validation fails. Now I'm going to try to use the
> > > itemRenderer property to indicate the nice red boxes.
> > >
> > > John
> > > --- In flexcoders@yahoogroups.com <flexcoders%40yahoogroups.com>,
> "Roman
> > > Protsiuk"
> > > <roman.protsiuk@> wrote:
> > > >
> > > > I remember I did it like this:
> > > >
> > > > public class FilesDataGridColumnEditor extends TextInput {
> > > >
> > > > public function SomeDataGridEditor() {
> > > > _validator.source = this;
> > > > _validator.triggerEvent = "change";
> > > > _validator.required = true;
> > > > _validator.property = "text";
> > > > }
> > > >
> > > > private var _validator : Validator = new SomeValidator();
> > > > }
> > > >
> > > > It's not "the best practices", but as far as I remember it
> worked. :)
> > > >
> > > > R.
> > > >
> > > > On 9/18/07, merelypixels <merelypixels@> wrote:
> > > > >
> > > > > seems to me that no mucking about with itemEditors is necessary...
> > > > > extract the data you need from your dataProvider and then validate
> > > > > that data directly before sending it on. If you want the
> little red
> > > > > validation things, you should probably validate on a field by
> field
> > > > > basis using the dataGrids itemEditEnd event, validating using
> > > > > dg.itemEditorInstance and doing e.preventDefault() if the field is
> > > > > invalid.
> > > > >
> > > > > Hope that helps!
> > > > > -Pixels
> > > > >
> > > > > --- In flexcoders@yahoogroups.com
> <flexcoders%40yahoogroups.com><flexcoders%40yahoogroups.com>,
> > >
> > > > > "j_lentzz" <jelentz@> wrote:
> > > > > >
> > > > > > Hi,
> > > > > >
> > > > > > I'm now trying to validating the contents of a datagrid and
> I was
> > > > > > wondering if there is an established way to do this. It
> seems like I
> > > > > > would need to get an instance of the itemEditor and somehow
> pass it
> > > > > > the value on that row. Then I would either call a validator
> against
> > > > > > that editor, or call a method contained in the itemEditor to
> do the
> > > > > > validation. I can get the itemEditor to do validation when
> the user
> > > > > > is entering data, but I need to be able to do validation on
> all the
> > > > > > entries in the datagrid when the save button is pressed - to
> handle
> > > > > > the cases of missing data in required datagrid fields. I've
> found
> > > > > > some examples of how to validate when the user is entering
> data for
> > > > > > that field, but not for validating the complete datagrid. Any
> > > help or
> > > > > > ideas would be greatly appreciated.
> > > > > >
> > > > > > John
> > > > > >
> > > > >
> > > > >
> > > > >
> > > >
> > >
> > >
> > >
> >
>
