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Set CSS Parameter For DOM Tree Element. Exception.
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Ruslan  
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 More options Mar 19 2010, 12:24 pm
Newsgroups: mozilla.dev.tech.css
From: Ruslan <ruslan.fayzrakhma...@gmail.com>
Date: Fri, 19 Mar 2010 09:24:32 -0700 (PDT)
Local: Fri, Mar 19 2010 12:24 pm
Subject: Set CSS Parameter For DOM Tree Element. Exception.
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I have an exception during trying to change computed CSS parameter in
xulrunner (v. 1.9.1.7).

I use an instance of the class nsIDOMCSSStyleDeclaration for accessing
css parameters.
By calling its function member setProperty("display", "none",
"important") I get an exception:
The function "setProperty" returned an error condition (0x80530007),
it's textual representation is
NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR.

Why i get this error and how to change css parameter for particular
element?

Thank you.


 
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Zack Weinberg  
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 More options Mar 19 2010, 12:41 pm
Newsgroups: mozilla.dev.tech.css
From: Zack Weinberg <zweinb...@mozilla.com>
Date: Fri, 19 Mar 2010 09:41:59 -0700
Local: Fri, Mar 19 2010 12:41 pm
Subject: Re: Set CSS Parameter For DOM Tree Element. Exception.
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Ruslan <ruslan.fayzrakhma...@gmail.com> wrote:
> I have an exception during trying to change computed CSS parameter in
> xulrunner (v. 1.9.1.7).

> I use an instance of the class nsIDOMCSSStyleDeclaration for accessing
> css parameters.
> By calling its function member setProperty("display", "none",
> "important") I get an exception:
> The function "setProperty" returned an error condition (0x80530007),
> it's textual representation is
> NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR.

> Why i get this error and how to change css parameter for particular
> element?

The style object returned by getComputedStyle is read-only.  You have
to modify the specified values instead.

zw


 
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Ruslan  
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 More options Mar 19 2010, 5:47 pm
Newsgroups: mozilla.dev.tech.css
From: Ruslan <ruslan.fayzrakhma...@gmail.com>
Date: Fri, 19 Mar 2010 14:47:14 -0700 (PDT)
Local: Fri, Mar 19 2010 5:47 pm
Subject: Re: Set CSS Parameter For DOM Tree Element. Exception.
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On Mar 19, 5:41 pm, Zack Weinberg <zweinb...@mozilla.com> wrote:

How can I modify specified value?
Which Interface to use for that, if I would like to set "display" to
"none"?

 
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Ruslan  
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 More options Mar 19 2010, 7:16 pm
Newsgroups: mozilla.dev.tech.css
From: Ruslan <ruslan.fayzrakhma...@gmail.com>
Date: Fri, 19 Mar 2010 16:16:48 -0700 (PDT)
Local: Fri, Mar 19 2010 7:16 pm
Subject: Re: Set CSS Parameter For DOM Tree Element. Exception.
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I can reformulate the question.
How can I change the CSS parameter for the particular element and have
the changes visible.

Thank you.


 
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Zack Weinberg  
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 More options Mar 19 2010, 10:56 pm
Newsgroups: mozilla.dev.tech.css
From: Zack Weinberg <zweinb...@mozilla.com>
Date: Fri, 19 Mar 2010 19:56:49 -0700
Local: Fri, Mar 19 2010 10:56 pm
Subject: Re: Set CSS Parameter For DOM Tree Element. Exception.
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Ruslan <ruslan.fayzrakhma...@gmail.com> wrote:
> I can reformulate the question.
> How can I change the CSS parameter for the particular element and have
> the changes visible.

Is there a reason you can't simply assign to
<element>.style.<parameter> ?

zw


 
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Ruslan  
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 More options Mar 20 2010, 4:39 am
Newsgroups: mozilla.dev.tech.css
From: Ruslan <ruslan.fayzrakhma...@gmail.com>
Date: Sat, 20 Mar 2010 01:39:00 -0700 (PDT)
Subject: Re: Set CSS Parameter For DOM Tree Element. Exception.
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My programming language is Java. I use javaxpcom to have an access to
xpcom. Actually I can use only those interfaces. And unfortunately I
can not follow your suggestion.

Do you know any interfaces for that?
Or is it possible for example (in case if I can not change css) to set
anattribute for the element and ask xulrunner to recalculate css and
redraw this particular element, or all DOM tree elements?


 
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Neil  
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 More options Mar 20 2010, 3:23 pm
Newsgroups: mozilla.dev.tech.css
From: Neil <n...@parkwaycc.co.uk>
Date: Sat, 20 Mar 2010 19:23:44 +0000
Local: Sat, Mar 20 2010 3:23 pm
Subject: Re: Set CSS Parameter For DOM Tree Element. Exception.
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Ruslan wrote:
>My programming language is Java. I use javaxpcom to have an access to xpcom. Actually I can use only those interfaces. And unfortunately I can not follow your suggestion.

>Do you know any interfaces for that?

Start with nsIDOMElementCSSInlineStyle perhaps?

--
Warning: May contain traces of nuts.


 
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Ruslan  
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 More options Mar 23 2010, 5:33 pm
Newsgroups: mozilla.dev.tech.css
From: Ruslan <ruslan.fayzrakhma...@gmail.com>
Date: Tue, 23 Mar 2010 14:33:25 -0700 (PDT)
Local: Tues, Mar 23 2010 5:33 pm
Subject: Re: Set CSS Parameter For DOM Tree Element. Exception.
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On Mar 20, 8:23 pm, Neil <n...@parkwaycc.co.uk> wrote:

> Ruslan wrote:
> >My programming language is Java. I use javaxpcom to have an access to xpcom. Actually I can use only those interfaces. And unfortunately I can not follow your suggestion.

> >Do you know any interfaces for that?

> Start with nsIDOMElementCSSInlineStyle perhaps?

> --
> Warning: May contain traces of nuts.

It is not the solution:
1. You can get this interface only if the element has attribute
"style".
2. Mozilla do not redraw/recompute the CSS.

I did not found solution.


 
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