* Cloning versus copying
@ 1999-06-05 6:44 David Arnold
1999-06-05 12:49 ` Hans Hagen
0 siblings, 1 reply; 2+ messages in thread
From: David Arnold @ 1999-06-05 6:44 UTC (permalink / raw)
All,
What's the difference between cloning and copying, as in the following file?
%output=pdf
\setupinteraction
[state=start]
\setupcolors
[state=start]
\tracefieldstrue
\definesymbol[yes-a][$\times$]
\definesymbol[yes-b][$\star$]
\definesymbol[nop-a][$\bullet$]
\definesymbol[nop-b][$-$]
\definefield[example-1][radio][setup 1][ex-a,ex-b,ex-c][ex-c]
\definesubfield[ex-a,ex-b,ex-c][setup 1][yes-a,nop-a]
\setupfield [setup 1] [width=0.5cm,height=0.5cm,framecolor=red]
\setupfield [setup 2] [width=.75cm,height=.75cm]
\copyfield[ex-a][ex-x]
\copyfield[ex-b][ex-y]
\copyfield[ex-c][ex-z]
\clonefield[ex-a][ex-p][setup 2][yes-b,nop-b]
\clonefield[ex-b][ex-q][setup 2][yes-b,nop-b]
\clonefield[ex-c][ex-r][setup 2][yes-b,nop-b]
\showfields[example-1,ex-a,ex-b,ex-c,ex-x,ex-y,ex-z,ex-p,ex-q,ex-r]
\starttext
Hello, cruel world!
\hbox{\field[ex-a]\field[ex-b]\field[ex-c]}
\hbox{\field[ex-x]\field[ex-y]\field[ex-z]}
Some more text.
\hbox{\field[ex-p]\field[ex-q]\field[ex-r]}
\stoptext
I see no difference, and I can't think of a situation where I would want
either of these behaviors. Why is it that when I click in ex-q, the fields
ex-a,ex-b,ex-c, ex-z, ex-y, and ex-z revert to nop-a?
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: Cloning versus copying
1999-06-05 6:44 Cloning versus copying David Arnold
@ 1999-06-05 12:49 ` Hans Hagen
0 siblings, 0 replies; 2+ messages in thread
From: Hans Hagen @ 1999-06-05 12:49 UTC (permalink / raw)
Cc: ntg-context
David Arnold wrote:
> What's the difference between cloning and copying, as in the following file?
A clone canhave its own settings, and therefore takes more resources in
the pdf file, while a copy is a 1 to one copy. So, a same field can have
a left|center|right aligned alternative as clone, but not as copy (the
same field repeated on different pages butwith the same appearance).
When using \definemainfield instead of \definefield, fields are copied
automatically when multiple \field[name] calls occur.
[As soon as I've reasons to use them (some projects needing fields or
so), I will make some more examples in the process.]
Hans
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