On Wed, Nov 13, 2013 at 9:12 PM, Alex Harui <aha...@adobe.com> wrote:
>
>
> On 11/13/13 8:26 PM, "OmPrakash Muppirala" <bigosma...@gmail.com> wrote:
>
> >I think I get it, but I guess I will need some pseudo code to understand
> >completely. What exactly does 'hang it on a strand' man in this context?
> >
> >Thanks,
> >Om
> I looked at the commit diffs again. I missed seeing earlier that you want
> to propagate rolloverindex to the List's API surface in order to
> communicate that information to the DataGrid. I was thinking that there
> can be some other List that represents the List that is a column in the
> DG. In theory it can be built out of most of the same pieces as List.
>
I wanted to do that anyways. Right now, when there is more than a page of
data, three scrollbars (for 3 columns) show up. I wanted to create a pared
down version of ListView that takes in an optional ScrollBar. And allow
the DataGridView to have a scrollbar. Any thoughts on that?
> Let's call it DataGridColumnList. That way the List that people stick in
> the UI isn't sporting a rollOverIndex property that won't be useful to
> them. DataGridColumnList extends UIBase like List but it would have a
> different IRollOverBead, one that knows that its strand, which is a
> DataGridColumnList, has a parent DataGrid which has a strand which has an
> IRollOverModel on its strand, but it isn't the beadModel property.
>
> So, then I think the pieces are:
>
> Class RollOverModel implements IRollOverModel
> {
> Public function get/set rollOverIndex
> }
>
> Class DataGridColumnList extends UIBase
> {
> Public function get dataGrid():DataGrid
> {
> return parent; // or whatever
> }
> }
>
> /* rollover impl for List */
> Class RollOverBead implements IRollOverBead
> {
> Var rollOverModel:IRollOverModel;
>
> Public function set strand(strand:IStrand):void
> {
> rollOverModel = strand.getBeadByType(IRollOverModel);
> addEventListener("rollOver", rollOverHandler);
> }
>
> Function rollOverHandler()
> {
> // set/unset hovered on renderer
> // draw rect highlight
> }
> }
>
> /* rollover impl for DataGridColumnList */
> Class DGColumnListRollOverBead implements IRollOverBead
> {
> Var rollOverModel:IRollOverModel;
>
> Public function set strand(strand:IStrand):void
> {
> rollOverModel = strand.dataGrid.getBeadByType(IRollOverModel);
> addEventListener("rollOver", rollOverHandler);
> }
>
>
> Function rollOverHandler()
> {
> // set/unset hovered on renderer
> // does not draw rect highlight
> }
>
>
> }
>
> /* rollover impl for DataGrid */
> Class DGRollOverBead implements IRollOverBead
> {
> Var rollOverModel:IRollOverModel;
>
> Public function set strand(strand:IStrand):void
> {
> rollOverModel = strand.getBeadByType(IRollOverModel);
> addEventListener("rollOver", rollOverHandler);
> }
>
> Function rollOverHandler()
> {
> // Draws rect highlight across all columns
> }
> }
>
>
>
> Then the CSS:
>
> List
> {
> IRollOverBead: ClassReference(RollOverBead);
> IRollOverModel: ClassReference(RollOverModel);
> }
>
> DataGridColumnList
> {
> IRollOverBead: ClassReference(DGColumnListRollOverBead);
> }
>
> DataGrid
> {
> IRollOverBead: ClassReference(DGRollOverBead);
> IRollOverModel: ClassReference(RollOverModel);
> }
>
>
This sounds good to me. I will give this a shot and see how things look.
Thanks for the pseudo code, makes it clearer to me.
> Of course, I could still be wrong...
>
>
Damn, I wish I saw this line first before reading the whole email ;-)
Thanks,
Om
> -Alex
>
>
