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From Alex Harui <aha...@adobe.com>
Subject Re: MX DataGrid: How to retain selection?
Date Wed, 21 Jan 2015 07:13:17 GMT
As I mentioned, you will probably have to stopPropagation mouseDown and
mouseUp as well.

On 1/20/15, 10:27 PM, "Deepak MS" <megharajdeepak@gmail.com> wrote:

>Let's say, I have selected 2nd row in the datagrid. (so
>datagrid.selectedIndex = 1 here)
>
>Now I click on the check box column of 3rd row. At this point of time, it
>gets inside cb_clickHandler function of itemrenderer shown below. But even
>before I call event.stopPropogation() method here, the parent's (which is
>my datagrid) selectedIndex would have already got updated with value of 2
>(i.e., 3rd row).  I don't want this selection. I want to retain older
>selection which is 2nd row.
>
>This the my first column's itemrenderer:
></mx:HBox>
>
>            protected function cb_clickHandler(event:MouseEvent):void
>            {
>                //event.stopPropagation(); this doesn't work for me, as
>the
>datagrid's selectedIndex would have already got updated with new value.
>                if(data)
>                {
>                    data[checkField] = cb.selected;
>                    checkEventDispatcher.dispatchEvent(new
>Event('checked'));
>                }
>            }
>
>    <mx:CheckBox id="cb" click="cb_clickHandler(event)" />
>    <mx:Box id="bxColor" width="10" height="10"/>
>    <mx:Label id="lblDesc" />
></mx:HBox>
>
>
>On Tue, Jan 20, 2015 at 11:41 PM, Alex Harui <aharui@adobe.com> wrote:
>
>> Where did you try to call stopPropagation?  In theory, having a listener
>> on the checkbox itself and calling stopPropagation for all mouseDown,
>> mouseUp, mouseClick should do it.
>>
>> On 1/20/15, 12:33 AM, "Deepak MS" <megharajdeepak@gmail.com> wrote:
>>
>> >Hi Alex,
>> >
>> >Thanks.
>> >
>> >I looked into it. But it doesn't allow selection at all.
>> >
>> >To make it more clear, this is what I need:
>> >
>> >I have a datagrid with first column as checkbox. Rest of the columns
>>are
>> >normal ones(text based).
>> >
>> >Next, I click on first row(any of the columns, except for the first
>>column
>> >which has checkbox) in the datagrid. Hence, first row gets selected
>> >(highlighted).
>> >
>> >Now, I will try to tick on 2nd row using checkbox column. At this
>>point in
>> >time, I want to retain the first row's selection.
>> >
>> >But if I try to tick on 2nd row's checkbox, 2nd row gets selected. I
>>want
>> >to avoid this selection and retain older selection ie., first row.
>> >
>> >On Fri, Jan 16, 2015 at 9:18 PM, Alex Harui <aharui@adobe.com> wrote:
>> >
>> >> Did you look at various examples of this?  There are two old
>>variants on
>> >> my blog:
>> >>
>> >>
>> >>
>> 
>>https://blogs.adobe.com/aharui/2008/02/checkbox_selection_in_datagrid.htm
>> >>l
>> >>
>> >>
>> 
>>https://blogs.adobe.com/aharui/2008/03/custom_ilists_checkboxdatagrid_1.h
>> >>tm
>> >> l
>> >>
>> >> On 1/15/15, 11:12 PM, "Deepak MS" <megharajdeepak@gmail.com> wrote:
>> >>
>> >> >Hi Guys,
>> >> >I have a mx datagrid in which I have first column as checkbox. If
>> >>there is
>> >> >a row selection (clicking on any of the row in datagrid), I need to
>> >>retain
>> >> >this row selection when check box is checked. How do i do it? On
>>check
>> >>box
>> >> >'change' event, I tried to stop event propogation, but this isn't
>> >>working.
>> >> >On check box change, datagrid's selected index would get changed
>> >>already
>> >> >even before I can try something. How can I avoid this behavior?
>> >> >
>> >> >thanks.
>> >>
>> >>
>>
>>

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