Drag and Drop Text into a field

Pete pete at mollysrevenge.com
Mon Sep 26 18:58:22 EDT 2011


OK, thanks.
Pete
Molly's Revenge <http://www.mollysrevenge.com>




On Mon, Sep 26, 2011 at 2:09 PM, Peter M. Brigham, MD <pmbrig at gmail.com>wrote:

>
> On Sep 26, 2011, at 4:51 PM, Pete wrote:
>
> > Thanks Peter, that sounds like it should work, I guess I'd assumed that
> LC
> > would remember the selected text.
> >
> > The dictionary says that if no text is selected, the end char part of the
> > selectedChunk is less than the startchar so I guess I'll need to check
> for
> > that so that a normal insert works.
>
> No need. If you have an insertion point after char 5 of a field, the
> selectedchunk is <char 6 to 5 of fld "targetField">, and putting a text
> string into char 6 to 5 of fld "targetField" will insert the text after char
> 5 of the field, Ie, where the insertion point was.
>
> -- Peter
>
> Peter M. Brigham
> pmbrig at gmail.com
> http://home.comcast.net/~pmbrig
>
>
> > On Mon, Sep 26, 2011 at 1:01 PM, Peter M. Brigham, MD <pmbrig at gmail.com
> >wrote:
> >
> >> You could set a customprop of the field control on mouseleave:
> >>
> >> on mouseleave
> >>  set the uSelChunk of me to the selectedchunk
> >> end mouseleave
> >>
> >> then in your dragdrop handler:
> >>
> >> put the uSelChunk of fld "targetField" into selCh
> >> put word 2 of selCh into startChar
> >> put word 4 of selCh into endChar
> >> put the clipboardData["text"] into char startChar to endChar of fld
> >> "targetField"
> >>
> >> -- Peter
> >>
> >> Peter M. Brigham
> >> pmbrig at gmail.com
> >> http://home.comcast.net/~pmbrig
> >>
> >>
> >> On Sep 26, 2011, at 2:37 PM, Pete wrote:
> >>
> >>> I'm trying to find a way to drag and drop text from a datagrid into a
> >> field
> >>> control.  If no text is selected in the field control, the text should
> be
> >>> inserted at the insertion point; if text is selected, the dragged text
> >>> should replace the selected text.
> >>>
> >>> The way I'm doing this is:
> >>>
> >>> - The dragStart handler for the datagrid places the text I want to
> insert
> >>> into the clipboardData["text"]
> >>> - The dragEnter handler for the field control sets the focus on the
> field
> >>> control
> >>> - The dragDrop handler for the field control issues a paste command
> >>>
> >>> That all works fine when no text is selected in the field control, LC
> >>> appears to remember where the insertion is in the field control.
> >> However,
> >>> let's say I select some text in the field control.  As soon as I click
> on
> >> a
> >>> line in the datagrid to start the drag/drop operation, the text is no
> >> longer
> >>> selected in the field control and when I drop the text into the field
> >>> control it is inserted at what was the end point of the text I had
> >>> originally selected.
> >>>
> >>> To illustrate, if the field control contains "This is my Text" and I
> >> select
> >>> the word "my", then drag the text "your" to the field Control, it will
> be
> >>> inserted right after "my" instead of replacing it.
> >>>
> >>> Am I setting about this the wrong way or can this approach be made to
> >> work
> >>> somehow?
> >>>
> >>> Thanks,
> >>>
> >>> Pete
> >>> Molly's Revenge <http://www.mollysrevenge.com>
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