DragDrop and the DragDestination

Bob Sneidar bobs at twft.com
Thu Jan 20 17:05:40 CST 2011


Well I've decided to forgo drag and drop and instead put to and from arrow buttons between the data grids. Drag and drop would have been cool, but I have stalled on getting things to work the way it seems they should, and when you mentioned scrolling during a drag and drop, I thought to myself, this is way to complicated a thing to try and do just to get a value from one list to another. 

Bob


On Jan 20, 2011, at 2:40 PM, zryip theSlug wrote:

> On Thu, Jan 20, 2011 at 10:31 PM, Bob Sneidar <bobs at twft.com> wrote:
>> Okay hate to say it but it looks like Remo is throwing runtime errors that it ought not be throwing. If I quit Remo and restart LiveCode with PowerDebug instead everything seems to work fine.
>> 
>> However this may have been some kind of aberration that righted itself and Remo is not to blame at all, I dunno.
> 
> Oh, I understand now why I could not reproduce this. I'm not using
> Remo. I was on the issue, so thanks for the update.
> 
> 
> You're right,
> 
> The
> 
> send "dgDragMove pMouseH, pMouseV" to sDataGridA[the dgControl of the target]
> 
> is indeed located in the "Track Drag & Drop" parent script of the
> datagrid engine.
> 
> 
> After more test, I'm not fully satisfy by the idea implements in the experiment:
> using the dgTrackDragReorder property in the destination datagrid for
> scrolling the dg during the dragMove, and replacing a
> value in a column by using the DragReorderDrop event of the datagrid messages.
> 
> Copying a value in the right line is not accurate and the dragaction
> is broken after a drop outside a droppable area.
> 
> Another way could consist to use the dgVScroll property for scrolling
> the datagrid.
> 
> Will rework this experiment later.
> 
> 
> Best regards,
> -- 
> -Zryip TheSlug- wish you the best! 8)
> http://www.aslugontheroad.co.cc
> 
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