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Allow users to specify which collection/instance variable to use in generating the datatables #2

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Merged
merged 1 commit into from
Nov 18, 2011
Merged

Allow users to specify which collection/instance variable to use in generating the datatables #2

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4 changes: 4 additions & 0 deletions README.rdoc
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Original file line number Diff line number Diff line change
Expand Up @@ -89,6 +89,10 @@ In your controller:
respond_with @products
end

If you are getting strange results (for instance, iTotalRecords and iTotalDisplayRecords both equal 0, or entirely the wrong collection is used), you might want to specify which collection to use:

respond_with @products, :locals => {:collection => @products}

In your search view:

@products.each do |product|
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5 changes: 5 additions & 0 deletions app/views/layouts/application.datatables.jsonify
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@@ -1,8 +1,13 @@
total_entries = nil
current_page_entries = 0
collection ||= nil

instance_variables.each do |vn|
v = instance_variable_get(vn)

# if a collection variable was specified, use it only
next if collection && collection != v

next if v.class.name.nil?
if v.class.name.start_with?("MetaSearch::Searches") and v.respond_to?('size')
current_page_entries = v.size
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