On 28/07/10 02:54, winterTTr wrote:
On Tue, Jul 27, 2010 at 11:04 PM, Ben Fritz <[email protected]
<http://gmail.com>> wrote:
On Jul 27, 2:55 am, winterTTr <[email protected]
<mailto:[email protected]>> wrote:
> I know that we can use the "set nomodifiable" to make a buffer
read-only,
> which makes all the text in it not modifiable.
>
> But is it possible to make some text in a buffer read-only but
not for the
> whole buffer?
> I mean maybe we can "bind" a property to the string ( or text, or
character
> ) , which can
> make the text read-only in a modifiable buffer.
> Or even finally, We can make the text not only a plain text,
but text
> binding some properties
> set to different value to control the different aspects, such as
> highlighting, read-only, or even font.
> Maybe, "conceal" can also be one property of a text. :-)
>
I'm curious what your end goal is. Making only part of the buffer text
read-only is probably not a trivial task. Knowing why you want this
may help come up with some alternative solutions to the problem you
are trying to solve.
OK, maybe just a user experience problem.
Let me give an example
When you want to edit the text between the xml tag, such as
<text>editing here</text>
If i can force the <text> and </text> to be read-only, which prevents
deleting the tag,
it maybe more convenient for me SOMETIMES.
OK, until now, i can use selection-mode/visual-mode to select the text
between tag
and edit them, but it does not limit the edit area.
Vim has a notion of |text-objects| (q.v.). In Normal mode, "cit" (Change
Inside Tag, without the quotes) will change the text between the tags,
not touching them (and since the c command puts you in Insert, not
Replace, mode, you won't delete them.) Conversely, "dat" (still without
the quotes, and with a rather than i) deletes the tags and the content
between them.
Oh, and don't forget the power of undo!
Actually, this not a good example, but just for showing an idea.
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Best regards,
Tony.
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