Yeah..great :)
This is really helps me to improve my application performance.
Thank you Alex.
Steve
--- In flexcoders@yahoogroups.com, Alex Harui <aharui@...> wrote:
>
> Yes, if selectedIDs is a big array, it could take a while to do run the loop.
> You could try building up a hash table of ids
>
> Var hashIDs:Object = new Object;
> For (var i:int = 0; I < N; i++)
> hashIDs[selectedIds[i].toString()) = 1;
>
> Then query once:
> var nodes:XMLList = xml.descendants().(hashIDs[@id] == 1)
>
> Then copy all the nodes into the final array.. That is more looping, but
> fewer XML queries and XML queries is usually way slower. Your mileage may
> vary.
>
> -Alex
>
> On 8/5/11 10:09 PM, "steveroger_flex" <steveroger_flex@...> wrote:
>
>
>
>
>
>
> Thank you Alex.
> Its really great help.
>
> I have do one change.
>
> I used "var node:XML = xml.descendants().(@id == id)[0];" in place of "var
> node:XML = xml..node(@id == id)[0];"
>
> multiple selection is working perfectly.
> But will this change affect to my application performance?
>
> Steve.
>
> --- In flexcoders@yahoogroups.com, Alex Harui <aharui@> wrote:
> >
> > SelectedItems must be an array.
> >
> > If you have:
> >
> > Var xml:XML = <node name="Node 1" id="1">
> > <node name="Node 1.1" id="2" />
> > <node name="Node 1.2" id="3">
> > <node name="Node 1.2.1" id="4" />
> > <node name="Node 1.2.2" id="5" />
> > </node>
> > </node>
> > Var selectedIds:Array = [2, 4, 5];
> >
> > Then you need something like:
> >
> > Var selItems:Array = new Array();
> > For (var i:int = 0; I < n; i+++
> > {
> ! > var id:String = selectedIds[i].toString();
> > var node:XML = xml..node(@id == id)[0];
> > selItems.push(node);
> > }
> >
> > Then assign selItems to the selectedItems.
> >
> >
> > On 8/5/11 1:12 AM, "steveroger_flex" steveroger_flex@ wrote:
> >
> >
> >
> >
> >
> >
> > Thanks alex for reply..
> > but actually I do not getting how it implemented.
> >
> > Can you please provide me any similar kind of example?
> > Is it possible using XMLList?
> >
> > Steve
> >
> > --- In flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> ,
> > Alex Harui aharui@ wrote:
> > >
> > > You will have to make a new array of the nodes you want selected.
> > >
> > >
> > > On 8/4/11 9:45 PM, "steveroger_flex" steveroger_flex@ wrote:
> > >
> > >
> > >
> > >
> > >
> > >
> > > I am hav! ing list of nodes in array.
> > > My problem is how sho! uld I us e seletedItems with list of node id
> > > array.?
> > >
> > > Data provider of tree component.
> > >
> > > <node name="Node 1" id="1">
> > > <node name="Node 1.1" id="2" />
> > > <node name="Node 1.2" id="3">
> > > <node name="Node 1.2.1" id="4" />
> > > <node name="Node 1.2.2" id="5" />
> > > </node>
> > > </node>
> > >
> > > Node id Array=(2,4,5).
> > > I wanna select Node 1.1, Node 1.2.1 & Node 1.2.2 by clicking on button.
> > >
> > > tree.selectedItems = array;
> > > is not working.
> > >
> > > --- In flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com>
> > > <mailto:flexcoders%40yahoogroups.com> , Alex Harui <aharui@> wrote:
> > > >
> > > > Use selectedItems
> > > >
> > > >
> > > > On 8/4/11 5:08 AM, "steveroger_flex" <stever! oger_flex@> wrote:
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > Hello Friends,
> > > >
> > > > I am facing a problem and can't getting any idea to solve this.
> > > > Problem is, I wanna select one or more tree nodes using actionscript.
> > > > I have set allowMultipleSelection="true" property of tree component.
> > > >
> > > > I succeed in selecting one node. But can't in multiple.
> > > > I had used tree.selectedItem for single node.
> > > >
> > > > any idea to solve this?
> > > >
> > > > Thanks,
> > > >
> > > > Steve.
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > --
> > > > Alex Harui
> > > > Flex SDK Team
> > > > Adobe System, Inc.
> > > > ht! tp://blogs.adobe.com/aharui
> > > >
> > >
> ! > > ;
> > >
> > >
> > >
> > >
> > > --
> > > Alex Harui
> > > Flex SDK Team
> > > Adobe System, Inc.
> > > http://blogs.adobe.com/aharui
> > >
> >
> >
> >
> >
> >
> >
> > --
> > Alex Harui
> > Flex SDK Team
> > Adobe System, Inc.
> > http://blogs.adobe.com/aharui
> >
>
>
>
>
>
> --
> Alex Harui
> Flex SDK Team
> Adobe System, Inc.
> http://blogs.adobe.com/aharui
>
