Setting hidden of lines very slow

[Kaveh Bazargan]

Did not know about textStyle which has opened a whole new world! Thank you
so much for ruining my weekend Trevor. ;-)

hh, I love the first solution, which shows the beauty of LiveCode. But the
speed is the same as before...

i will try htmltext too. A while since I worked with it.

Thanks again.

On Fri, 30 Nov 2018 at 15:33, hh via use-livecode <
use-livecode at lists.runrev.com> wrote:

> If showing *only* lines with colored text means that all others
> are hidden then you could use:
>
> ...
> set hidden of line i of fld "text" to \
>     (the textcolor of line i of fld "text" is empty)
> ...
>
> Trevor's script would then read:
> ...
> put (tTextA[i]["runs"][1]["style"]["textcolor"] is empty) \
>      into tTextA[i]["style"]["hidden"]
> ...
>
> Here yet another fast method:
>
> on mouseUp
>   put the millisecs into m1
>   lock screen; lock messages
>   put the htmltext of fld 1 into ht
>   set linedelimiter to "<p"
>   put the htmltext of fld 1 into ht
>   replace " hidden" with empty in ht
>   repeat for each line L in ht
>     if offset("color=",L)>0 then put "<p" & L after s
>     else put "<p hidden" & L after s
>   end repeat
>   set htmltext of fld 1 to  s
>   put the millisecs-m1 into fld "timing"
> end mouseUp
>
>
> > > Kaveh wrote:
> > > But here is a follow-up: Now I want to hide all lines that
> > > have no text style and only show lines with colored text.
> > > I use:
> > >
> > > repeat with i = 1 to the number of lines of fld 1
> > >   if the textcolor of line i of fld "text" is not empty then
> > >     set the hidden of line i of fld "text" to false
> > >   end if
> > > end repeat
> > >
> > > This is taking time too. Any suggestions how to speed this up?
> > >
> >
> > Trevor wrote:
> > Try working with the styledText property.
> >
> > put the styledText of field "text" into tTextA
> >
> > # loop through paragraphs
> > repeat with i = 1 to the number of elements of tTextA
> >   # Check if first run has textcolor set
> >   if tTextA[i]["runs"][1]["style"]["textcolor"] is not empty then
> >     # hide paragraph
> >     put true into tTextA[i]["style"]["hidden"]
> >   end if
> > end repeat
> >
> > set the styledText of fld "text" to tTextA
>
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-- 
Kaveh Bazargan
Director
River Valley Technologies <http://rivervalleytechnologies.com/> • Twitter
<https://twitter.com/kaveh1000> • LinkedIn
<https://www.linkedin.com/in/bazargankaveh/>