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Jamie Quint

2006-Jul-14 22:04 UTC

[Rails] Ideas for AJAX pagination

Hi,

I am looking for ideas on how to remove the last item from a  
paginated page when a new item is inserted, thus leaving only 10  
elements on the page.

Currently I have a form that inserts with AJAX, but as expected, each  
post added to the page just increases the number of posts leaving 11  
on a page that should only be displaying 10.

I have unique ID''s for each post (e.g. post_4, post_5, etc) and the  
post with the lowest number is on the bottom of the page, can anyone  
think of a way to make the last post disappear when the new post is  
added?

Basically what i need to do is do a page.hide ''page_<% lowest id
%>''
- where the lowest id is not a known integer.

Ideas?

~Jamie

Kevin Olbrich

2006-Jul-15 00:18 UTC

head link

[Rails] Ideas for AJAX pagination

On Friday, July 14, 2006, at 3:04 PM, Jamie Quint wrote:>Hi,
>
>I am looking for ideas on how to remove the last item from a
>paginated page when a new item is inserted, thus leaving only 10
>elements on the page.
>
>Currently I have a form that inserts with AJAX, but as expected,
>each post added to the page just increases the number of posts
>leaving 11 on a page that should only be displaying 10.
>
>I have unique ID''s for each post (e.g. post_4, post_5, etc) and the
>post with the lowest number is on the bottom of the page, can anyone
>think of a way to make the last post disappear when the new post is added?
>
>Basically what i need to do is do a page.hide ''page_<% lowest id
%>''
> - where the lowest id is not a known integer.
>
>Ideas?
>
>~Jamie
>_______________________________________________
>Rails mailing list
>Rails@lists.rubyonrails.org
>http://lists.rubyonrails.org/mailman/listinfo/rails
You could just re-render the 10 items on the page and replace all of them.

_Kevin

-- 
Posted with http://DevLists.com.  Sign up and save your mailbox.

Chris Lloyd

2006-Jul-15 02:59 UTC

head link

[Rails] Ideas for AJAX pagination

I''m no expert with Rails or Ruby (I''ve only been using it for
about a week),
but it sounds like you want to do something like this:
http://www.codyfauser.com/articles/2005/11/20/rails-rjs-templates

Cody adds an item to the list but its always the same. To change it you
could just pass the post details through the action then page.hide "
page_#{@lowest_id}" and then page.insert_html
"page_#{@newpost.title" or
something. (The syntax for insert_html isn''t correct, but you should
get the
idea)

Thought it might help! It probably won''t but that''s where
I''d start.

Chris


On 15 Jul 2006 00:20:18 -0000, Kevin Olbrich <
devlists-rubyonrails@devlists.com> wrote:>
>
> On Friday, July 14, 2006, at 3:04 PM, Jamie Quint wrote:
> >Hi,
> >
> >I am looking for ideas on how to remove the last item from a
> >paginated page when a new item is inserted, thus leaving only 10
> >elements on the page.
> >
> >Currently I have a form that inserts with AJAX, but as expected,
> >each post added to the page just increases the number of posts
> >leaving 11 on a page that should only be displaying 10.
> >
> >I have unique ID''s for each post (e.g. post_4, post_5, etc)
and the
> >post with the lowest number is on the bottom of the page, can anyone
> >think of a way to make the last post disappear when the new post is
> added?
> >
> >Basically what i need to do is do a page.hide ''page_<%
lowest id %>''
> > - where the lowest id is not a known integer.
> >
> >Ideas?
> >
> >~Jamie
> >_______________________________________________
> >Rails mailing list
> >Rails@lists.rubyonrails.org
> >http://lists.rubyonrails.org/mailman/listinfo/rails
>
> You could just re-render the 10 items on the page and replace all of them.
>
> _Kevin
>
> --
> Posted with http://DevLists.com.  Sign up and save your mailbox.
> _______________________________________________
> Rails mailing list
> Rails@lists.rubyonrails.org
> http://lists.rubyonrails.org/mailman/listinfo/rails
>


-- 
3202-4 Sydney University Village
90 Carillon Avenue
Newtown 2042
NSW, Australia
T: 9036-4302
M: 04241-21343
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Jamie Quint

2006-Jul-16 20:39 UTC

head link

[Rails] Ideas for AJAX pagination

This is what I am already doing, I just need a way to get the ID of  
the last post so I can hide it when a new one is made. If I could get  
the ID of the lowest post on the page I would be able to do that.

~Jamie

On Jul 14, 2006, at 7:59 PM, Chris Lloyd wrote:
> I''m no expert with Rails or Ruby (I''ve only been using it
for about
> a week), but it sounds like you want to do something like this:
> http://www.codyfauser.com/articles/2005/11/20/rails-rjs-templates
>
> Cody adds an item to the list but its always the same. To change it  
> you could just pass the post details through the action then  
> page.hide "page_#{@lowest_id}" and then page.insert_html "
page_#
> {@newpost.title" or something. (The syntax for insert_html
isn''t
> correct, but you should get the idea)
>
> Thought it might help! It probably won''t but that''s where
I''d start.
>
> Chris
>
>
> On 15 Jul 2006 00:20:18 -0000, Kevin Olbrich <devlists- 
> rubyonrails@devlists.com> wrote:
>
> On Friday, July 14, 2006, at 3:04 PM, Jamie Quint wrote:
> >Hi,
> >
> >I am looking for ideas on how to remove the last item from a
> >paginated page when a new item is inserted, thus leaving only 10
> >elements on the page.
> >
> >Currently I have a form that inserts with AJAX, but as expected,
> >each post added to the page just increases the number of posts
> >leaving 11 on a page that should only be displaying 10.
> >
> >I have unique ID''s for each post (e.g. post_4, post_5, etc)
and the
> >post with the lowest number is on the bottom of the page, can anyone
> >think of a way to make the last post disappear when the new post  
> is added?
> >
> >Basically what i need to do is do a page.hide ''page_<%
lowest id %>''
> > - where the lowest id is not a known integer.
> >
> >Ideas?
> >
> >~Jamie
> >_______________________________________________
> >Rails mailing list
> >Rails@lists.rubyonrails.org
> >http://lists.rubyonrails.org/mailman/listinfo/rails
>
> You could just re-render the 10 items on the page and replace all  
> of them.
>
> _Kevin
>
> --
> Posted with http://DevLists.com.  Sign up and save your mailbox.
> _______________________________________________
> Rails mailing list
> Rails@lists.rubyonrails.org
> http://lists.rubyonrails.org/mailman/listinfo/rails
>
>
>
> -- 
> 3202-4 Sydney University Village
> 90 Carillon Avenue
> Newtown 2042
> NSW, Australia
> T: 9036-4302
> M: 04241-21343
> _______________________________________________
> Rails mailing list
> Rails@lists.rubyonrails.org
> http://lists.rubyonrails.org/mailman/listinfo/rails
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Jamie Quint

2006-Jul-16 20:40 UTC

head link

[Rails] Ideas for AJAX pagination

I guess I would save the scriptaculous overhead if I did it this way,  
but it seems like re-rendering everything would defeat the purpose of  
using ajax in the first place (avert unnecessary page-loads and  
provide a smooth UI).

~Jamie

On Jul 14, 2006, at 5:20 PM, Kevin Olbrich wrote:
>
> On Friday, July 14, 2006, at 3:04 PM, Jamie Quint wrote:
>> Hi,
>>
>> I am looking for ideas on how to remove the last item from a
>> paginated page when a new item is inserted, thus leaving only 10
>> elements on the page.
>>
>> Currently I have a form that inserts with AJAX, but as expected,
>> each post added to the page just increases the number of posts
>> leaving 11 on a page that should only be displaying 10.
>>
>> I have unique ID''s for each post (e.g. post_4, post_5, etc)
and the
>> post with the lowest number is on the bottom of the page, can anyone
>> think of a way to make the last post disappear when the new post  
>> is added?
>>
>> Basically what i need to do is do a page.hide ''page_<%
lowest id %>''
>> - where the lowest id is not a known integer.
>>
>> Ideas?
>>
>> ~Jamie
>> _______________________________________________
>> Rails mailing list
>> Rails@lists.rubyonrails.org
>> http://lists.rubyonrails.org/mailman/listinfo/rails
>
> You could just re-render the 10 items on the page and replace all  
> of them.
>
> _Kevin
>
> -- 
> Posted with http://DevLists.com.  Sign up and save your mailbox.
> _______________________________________________
> Rails mailing list
> Rails@lists.rubyonrails.org
> http://lists.rubyonrails.org/mailman/listinfo/rails

Rick Martinez

2006-Jul-16 20:44 UTC

head link

[Rails] Ideas for AJAX pagination

When the controller saves the actual record, the instance variable
that contains the record should have the ID now.

@post = Post.new(params[:post])
@post.save
@last_post_id = @post.id

Then in the data loaded by the remote form you could simply:

Element.hide("post_<%= @last_post_id %>")

Hope this helps,
Rick Martinez

On 7/16/06, Jamie Quint <jsquintz@gmail.com>
wrote:>
> This is what I am already doing, I just need a way to get the ID of the
last
> post so I can hide it when a new one is made. If I could get the ID of the
> lowest post on the page I would be able to do that.
>
> ~Jamie
>
>
> On Jul 14, 2006, at 7:59 PM, Chris Lloyd wrote:
> I''m no expert with Rails or Ruby (I''ve only been using it
for about a week),
> but it sounds like you want to do something like this:
> http://www.codyfauser.com/articles/2005/11/20/rails-rjs-templates
>
> Cody adds an item to the list but its always the same. To change it you
> could just pass the post details through the action then page.hide
> "page_#{@lowest_id}" and then page.insert_html "
page_#{@newpost.title" or
> something. (The syntax for insert_html isn''t correct, but you
should get the
> idea)
>
> Thought it might help! It probably won''t but that''s where
I''d start.
>
> Chris
>
>
>  On 15 Jul 2006 00:20:18 -0000, Kevin Olbrich
> <devlists-rubyonrails@devlists.com> wrote:
> >
> > On Friday, July 14, 2006, at 3:04 PM, Jamie Quint wrote:
> > >Hi,
> > >
> > >I am looking for ideas on how to remove the last item from a
> > >paginated page when a new item is inserted, thus leaving only 10
> > >elements on the page.
> > >
> > >Currently I have a form that inserts with AJAX, but as expected,
> > >each post added to the page just increases the number of posts
> > >leaving 11 on a page that should only be displaying 10.
> > >
> > >I have unique ID''s for each post (e.g. post_4, post_5,
etc) and the
> > >post with the lowest number is on the bottom of the page, can
anyone
> > >think of a way to make the last post disappear when the new post
is
> added?
> > >
> > >Basically what i need to do is do a page.hide ''page_<%
lowest id %>''
> > > - where the lowest id is not a known integer.
> > >
> > >Ideas?
> > >
> > >~Jamie
> > >_______________________________________________
> > >Rails mailing list
> > >Rails@lists.rubyonrails.org
> > >http://lists.rubyonrails.org/mailman/listinfo/rails
> >
> > You could just re-render the 10 items on the page and replace all of
them.
> >
> > _Kevin
> >
> > --
> > Posted with http://DevLists.com.  Sign up and save your mailbox.
> > _______________________________________________
> > Rails mailing list
> > Rails@lists.rubyonrails.org
> > http://lists.rubyonrails.org/mailman/listinfo/rails
> >
>
>
>
> --
> 3202-4 Sydney University Village
> 90 Carillon Avenue
> Newtown 2042
> NSW, Australia
> T: 9036-4302
> M: 04241-21343
> _______________________________________________
> Rails mailing list
> Rails@lists.rubyonrails.org
> http://lists.rubyonrails.org/mailman/listinfo/rails
>
> _______________________________________________
> Rails mailing list
> Rails@lists.rubyonrails.org
> http://lists.rubyonrails.org/mailman/listinfo/rails
>
>
>

-- 
Rick Martinez
Director of Technology
Complexity Gaming

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