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 <[EMAIL PROTECTED]> 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"
> <[EMAIL PROTECTED]> 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 <[EMAIL PROTECTED]> 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
> > > >
> > >
> > >
> > >
> >
>
>
>
