Oops. I used grid.selectedItems[x] instead of grid.selectedItems[idx]. I don't know why "x" exists.
So the conclusion is: Overwriting selectedItems works. Pushing elements onto selectedItems does not. --- In [email protected], "whatabrain" <[EMAIL PROTECTED]> wrote: > > I tried your suggestion (using selectedItems, since selectedIndices > is all but meaningless in a tree-view AdvancedDataGrid). Now the > problem is even stranger. I add a bunch of items from the > dataProvider into a new array. Then I assign the array to > selectedItems. By the next line of code, selectedItems is down to > just the clicked item, and the first item that was programmatically > selected. > > > // On click of a top-level item: > private function onGridClick(event:ListEvent):void > { > ... > var items:Array = new Array(); > > // Preserve currently clicked items > for (var idx:int=0; idx<grid.selectedItems.length; idx++) > items.push(grid.selectedItems[x]); > > // Add all of the clicked item's children to the list > var children:ArrayCollection = gridData[clickedItemIdx].children; > for (idx=0; idx<children.length; idx++) > { > items.push(children[x]); > } > > // Overwrite selectedItems > grid.selectedItems = items; > > // BUG: At this point, both "grid.selectedItems" and "items" contain > // only two elements: the clicked item, and the first of the item's > // children. > > } > > > > --- In [email protected], "fourctv" <fourctv@> wrote: > > > > adg.selectedItems and adg.selectedIndices are arrays. > > > > selectedItems is an array of objects from adg's dataProvider taht > are currently selected, > > and it is a read/write property. > > selectedINdices otoh is an array of ints with indices for those > same objects in > > selectedItems. > > > > so, to make it simple, if you want to select rows 2,4,6 you'd do > something like: > > var mySelection:Array = [2,4,6]; > > adg.selectedINdices = mySelection; > > > > hth > > julio > > > > --- In [email protected], "whatabrain" <junk1@> wrote: > > > > > > Sorry. I missed a detail... I tried to do: > > > grid.selectedItems.push(o). > > > It did not cause the item to be selected. > > > > > > > > > --- In [email protected], "fourctv" <fourctv@> wrote: > > > > > > > > You have 2 options, set either adg.selectedItems or > > > adg.selectedIndices. > > > > > > > > --- In [email protected], "whatabrain" <junk1@> wrote: > > > > > > > > > > Another old question, I'm sure, but I can't find an answer > > > anywhere on > > > > > the web. > > > > > > > > > > How do I cause a row to be selected in an AdvancedDataGrid? > > > Basically, > > > > > when a top-level element is clicked, I want all of its child > > > elements > > > > > to be selected. > > > > > > > > > > > > > > >
