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Local Virtual Scrolling - my changes (grouping/sorting works)

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Oskar
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Oskar asked on 10 Oct 2011, 04:57 PM
Hello guys!

As I said in this topic: http://www.kendoui.com/forums/framework/data-source/ranges.aspx i had made some changes in kendo UI code.

I don't know if my improvements are well implemented, but everything works fine. What i did:
1. Added new option for _selectable - now we can prevent default select in our dataGrid.
selectable: {
     mode: "multiple cell",
     preventDefault: true
}
2. Local Virtual Scrolling with grouping works fine.
3. (Multicolumn) Sorting and nested sorting aswell.

All changes are backward compatible. And it's appear that Remote Virtual Scrolling works with my changes as well.

I have question now: should I provide some demo, or just send code to you, or put it in this topic?

Rgrds,
Oskar.

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Oskar
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answered on 11 Oct 2011, 11:16 AM
I can't edit my post anymore so i'll put it here:

Fixed grid size with local (and remote) virtual scrolling works with my changes aswell.

Forgot add this, sorry.
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Rosen
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answered on 11 Oct 2011, 12:05 PM
Hi Oskar,

Please feel free to attach the code and a simple demo to this forum thread.

All the best,
Rosen
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Oskar
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answered on 11 Oct 2011, 12:36 PM
Hi Rosen,

here are demo with sources included (all my changes are commented with //Block changed or //Function Changed before any piece of code which I was working with)

http://oskar.doppnet.com/kendo-grid/local.html
http://oskar.doppnet.com/kendo-grid/remote.html

Cheers!
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Rosen
Telerik team
answered on 12 Oct 2011, 07:07 AM
Hello Oskar,

Thanks for the samples, we will consider them when implementing the features in question.

Regards,
Rosen
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Oskar
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answered on 05 Dec 2011, 03:56 PM
Hello guys,

I'm really excited about Kendo UI release, you did great job. 

However, still some things are broken. I'm working most of my time with your grids, and I have found some bugs (general too):

1. Dependencies aren't updated yet:
http://www.kendoui.com/documentation/javascript-dependencies.aspx
(can you add info about dependencies in each file as well?)
2. Select in grid works wrong:
a) 1st select uses web browser standard select as well
b) after selecting something in grid, standard select in web browser is blocked for all elements
3. With local virtual scrolling:
a) sorting isn't working
b) grouping isn't working (sorting fix should fix grouping as well)
c) filtering isn't working + causes erasing all elements from grid
4. If virtual scrolling is on, grid should collapse row details before scroll
5. In examples you have made mistake with <td><td> - missing '/'

For example in: http://demos.kendoui.com/web/grid/index.html in Description

btw. Great job with editing, it works perfect!
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Rosen
Telerik team
answered on 07 Dec 2011, 02:48 PM
Hi Oskar,

Thank you for bringing those issue to our attention.

1. Indeed, you are correct, we will update the dependencies page as soon as possible.
2. We have address this behavior and the fix will be available with the next release.
3. Sorting issue is addressed. However, grouping in the current release is still no supported when virtualization is enabled
4. Detail template as grouping  is also not fully supported with virtualization functionality enabled
5. We will address those with the next release

Regards,
Rosen
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Oskar
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answered on 07 Dec 2011, 03:35 PM
Hi Rosen,

can you provide me some orientation time when I can expect those fixes? What I want at this moment is fix for sorting while local virtual scrolling  enabled (It will fix grouping as well - with expanded elements). I'm sure that both local and remote virtual scrolling with grouping (collapsed items) fix will take some extra time.

What about:
1. selecting, grid (data source) will remember about selected items in future versions?
2. searching, are you going to add some searching in grid (data source) with highlighting results and scrolling (page changing) to first occurrence?
3. selecting again, will it have 'select all' method in API, will I be able to delete selected rows?

Thanks in advance,
Oskar.
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Rosen
Telerik team
answered on 08 Dec 2011, 01:01 PM
Hello Oskar,

We are planing to release a service pack in the first half of February, however, note that it will be only available to the commercial license holders.

Regarding your other questions:
 - we may consider to implement similar functionality in a future version of the widget
 - I'm afraid that we do not currently have plans to add such feature
 - we are considering implementing "delete selected rows" for a future version

Regards,
Rosen
the Telerik team
Join us on our journey to create the world's most complete HTML 5 UI Framework - download Kendo UI now!
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Rosen
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