Rjs partials

Rails
1

Hello Everybody,

To keep my code dry, I want to use a partial rjs from within another
rjs. Is this possible and if so, how should I do this.
If it’s not possible, is there a way to cut up the code which I want to
use in a call with rjs and How can this be done

Thanx in advance,
Jeroen van Doorn

2

Jeroen van Doorn wrote:

Hello Everybody,

To keep my code dry, I want to use a partial rjs from within another
rjs. Is this possible and if so, how should I do this.
If it’s not possible, is there a way to cut up the code which I want to
use in a call with rjs and How can this be done

Thanx in advance,
Jeroen van Doorn

RJS is pure ruby code, so I would expect it can be done, but I’m a
little confused as to exactly what you’re attempting - can you put up a
specific code example of how you think it should/might work? Will go a
long way towards understanding your intent.

c.

3

Cayce B. schreef:

Jeroen van Doorn

RJS is pure ruby code, so I would expect it can be done, but I’m a
little confused as to exactly what you’re attempting - can you put up a
specific code example of how you think it should/might work? Will go a
long way towards understanding your intent.

c.

Hi C,

What I want is something like the following

== _base_code.rjs
page.update “base”, “this is the base rjs”

a lot more code

== method1.rjs

page.update “example1”, “SomeValue1”

a lot more code

render :partial => “base_code”, :file => “_base_code.rjs”

== method2.rjs

page.update “example2”, “SomeValue2”

a lot more code

render :partial => “base_code”, :file => “_base_code.rjs”

The above is what I tried in a test app, but it doesn’t work. The reason
is that I have multiple function which call “base” with ajax after they
are handled themselves. (these functions are ajax functions themselves).
I also need to call “base” on it’s own sometimes. But what I don’t want
anymore is the extra ajax call to “base” from the other functions. I
want the needed rjs send in one call. Hope there’s another solution or
that I’m making some
stupid mistake :wink:

Regards,
Jeroen van Doorn

4

On Nov 10, 2006, at 8:59 AM, Jeroen van Doorn wrote:

use in a call with rjs and How can this be done
long way towards understanding your intent.

a lot more code

a lot more code

anymore is the extra ajax call to “base” from the other functions. I
want the needed rjs send in one call. Hope there’s another solution or
that I’m making some
stupid mistake :wink:

I think you want to use a technique I learned yesterday (thanks to
Dave Hoover!) which relies on the use of nested singleton methods. It
would look something like this using your example as a guide:

def some_action

some model code or other setup code

the rjs stuff

update_page do |page|
page.method1
page.method2(some_arg)
end
end

def update_page
render :update do |page|
def page.method1
replace_html “div1”,
:partial => “some_html”
# might need :locals hash here
end

 def page.method2(some_arg)
   replace_html "div2_#{some_arg}",
                :partial => "some_html"
                # again, you might need to explicitly
                # pass in some local variables depending
                # on how you setup your partial
 end

 def page.base_code
    # some more code
 end

 yield(page)

end
end

Apparently there is a special context setup when you do the
“render :update do” call, so calling out to external methods upsets
that context. Using the singleton methods keeps the context pure and
will output the correct rjs.

This keeps your code looking pretty clean. I hope I didn’t completely
miss the point of your question…

cr

5

[email protected] schreef:

Jeroen van Doorn

== method1.rjs

solution or

# the rjs stuff
                 :partial => "some_html"
    base_code

Hi CR,

Sorry for the late reply (I was moving to another place) … Thanxs,
I’ll try this … do you have any idea if it’s possible to put the rjs
code in seperate files?

Regards and thanxs again,
Jeroen

6

On Nov 10, 2006, at 9:40 AM, [email protected] wrote:

To keep my code dry, I want to use a partial rjs from within
RJS is pure ruby code, so I would expect it can be done, but I’m a

render :partial => “base_code”, :file => “_base_code.rjs”
they
are handled themselves. (these functions are ajax functions
themselves).
I also need to call “base” on it’s own sometimes. But what I don’t
want
anymore is the extra ajax call to “base” from the other functions. I
want the needed rjs send in one call. Hope there’s another
solution or
that I’m making some
stupid mistake :wink:

Oops, I forgot the call to #base_code in my example. Try this.

def some_action
# some model code or other setup code

# the rjs stuff
update_page do |page|
  page.method1
  page.method2(some_arg)
end

end

def update_page
render :update do |page|
def page.method1
replace_html “div1”,
:partial => “some_html”
# might need :locals hash here
base_code # call the singleton object in this context
end

  def page.method2(some_arg)
    replace_html "div2_#{some_arg}",
                 :partial => "some_html"
                 # again, you might need to explicitly
                 # pass in some local variables depending
                 # on how you setup your partial
    base_code
  end

  def page.base_code
     # some more code
  end

  yield(page)
end

end

7

On Nov 20, 2006, at 1:39 AM, Jeroen van Doorn wrote:

(snip)
Hi CR,

Sorry for the late reply (I was moving to another place) … Thanxs,
I’ll try this … do you have any idea if it’s possible to put the rjs
code in seperate files?

Not really sure. Try running the code as given in a single file and
then experiment with breaking it up. I imagine you can break some of
it up except for the singleton methods.

cr