Welcome to the party Hermann. :) Unfortunately the HTML isn't under my control and may change
periodically. It's retrieved from a server on demand. The metadata I'm looking for isn't a
link, it's a text property, and is already hidden when displaying text in a field. It would be
similar to looking for a specific instance of bolded text.
This would be good for other uses though, so thanks for the idea.
On 2/20/20 3:12 PM, hh via use-livecode wrote:
As others try to optimize ("ping") I'll try an improvement too ("pong")
with using another method that requires to change your link targets ONCE:
Instead of unique targets <a name="target10"> write in your field
"<p hidden>"&numTochar(1)&"target10"&numTochar(1)&"</p>""
Handler replaceTargets below does it (slowly) but you probably don't
need it on mobile.
So assuming (unusual)
-- [1] you use the following for a link target
-- <p hidden>target10<p>
-- [2] you use the following for a local page link
-- <a href="#target10">Target10</a>
-- [3] you don't use <p hidden> elsewhere. Else add
-- an additional marker to it to differentiate.
Then script your field with the following simple handler:
on linkClicked pUrl
put the milliseconds into m1
lock messages; lock screen
if pUrl begins with "#" then
put numToChar(1)& (char 2 to -1 of pUrl) &numToChar(1) into tTarget
put 1+offset(tTarget,me)+length(tTarget) into tOff
select char tOff to tOff+3 of me -- see it in locked field
-- select char tOff of me -- variant
scrollSelectionIntoView -- optional
end if
put the millisecs -m1 into fld "timing1"
end linkClicked
---- helpers (optionally needed)
-- Note. LC adds also an additional "<p hidden></p>", we don't mind.
on replaceTargets -- should be optimized if used often
put the millisecs into m1
lock messages; lock screen
put the htmltext of fld 1 into tHTML
set linedel to "<a name=""e
set itemdel to "</a>"
put line 1 of tHtml into tI2
put numToChar(1) into b1
repeat for each line L in (line 2 to -1 of tHtml)
put "<p hidden>"&b1&char 1 to offset(quote,L)-1 of L into item 1 of L
put offset("</a>",L) into o1
put b1&"</p>" into char o1 to o1+3 of L
put L after tI2
end repeat
set htmlText of fld 1 to tI2 -- LC translates numToChar(1) to ""
put the millisecs-m1 into fld "timing2"
end mouseUp
on scrollSelectionIntoView
put the selectedLoc into tSL
put the vscroll of me into tV
put item 2 of tSL - the top of me into tDiff
if tDiff > 0.75*the height of me then
set vscroll of me to tV + 0.4*the height of me
else if tDiff < 0.25*the height of me then
set vscroll of me to tV - 0.4*the height of me
end if
end scrollSelectionIntoView
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--
Jacqueline Landman Gay | jac...@hyperactivesw.com
HyperActive Software | http://www.hyperactivesw.com
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