Yet another unobtrusive javascript paging plugin for Ruby on Rails. Based on will_paginate.
live demo : [ror.zarlboro.com/]
sources : [github.com/Ouziel/infinite_page_demo]
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Please install the will_paginate plugin before proceeding.
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then:
script/plugin install git://github.com/Ouziel/infinite_page.git
Infinite Page is used exactly like wil_paginate plugin but make sure of the following:
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Obviously
infinite_pagehelper method should be used instead ofwill_paginate -
Infinite page parts (each part is one page in classic pagination) should be placed in a partial
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infinite_pagecall should be included in this partial -
in your controller,
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XHR request: render only this partial
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other requests: render whole page
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infinite_page take two parameters :
- collection = nil
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a WillPaginate:Collection return by
paginatefunction - options = {}
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see Options paragraph
Most will_paginate and remote_function options are available along with infinite_page’s 2 additional options. will_paginate options are used for classic pagination rendered inside <noscript> tag. remote_function options are used for next page XHR loading. The most important option is :update. It indicates the DOM element ID that contains the partial. :url and :render options are automatically set by infinite_page. Please refer to will_paginate and remote_function references.
infinite_page’s 2 additional options :
- :first
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Javascript expression is called once the first page is loaded
- :last
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Javascript expression is called after the last page is loaded
Use a paginate finder in the controller and render only the partial when request is XHR:
def index @posts = Post.paginate :page => params[:page], :order => 'created_at DESC' render :partial => "posts", :object => @posts if request.xhr? end
In your layout insert the infinite page javascript tag and the div, or other HTML element that contains the page:
<head> ... <%= javascript_include_tag :defaults, "infinite_page" %> ... </head>
If you won’t load infinate_page.js in all pages, you can use content_for method.
In your view:
... <div id="infinite_page_spinner"> </div> <div id="content"><%= render :partial => "posts", :object => @posts %></div> ...
In your _posts.html.erb partial, display posts list and call infinite_page method :
<%= render :partial => "post", :collection => @posts %>
<%= infinite_page @posts,
:update => "content",
:position => :bottom,
:complete => "$('infinite_page_spinner').hide();",
:before => "$('infinite_page_spinner').show();",
:first => "alert('first page loaded');",
:last => "alert('last page loaded');" %>
Et voila! enjoy!
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Make it compatible with Jquery.
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Make it work with a div scroll.
Copyright © 2009 Ouziel Slama, released under the MIT license
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