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author | David Heinemeier Hansson <david@loudthinking.com> | 2005-04-07 06:43:21 +0000 |
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committer | David Heinemeier Hansson <david@loudthinking.com> | 2005-04-07 06:43:21 +0000 |
commit | 1a22fb59c944aee70c968688dc0440596670076b (patch) | |
tree | a1d360a3307d3f83cd0f475816ad84951e17dbd6 /actionpack/lib/action_view/helpers/javascript_helper.rb | |
parent | 17525835312cdf033db1b6593274a2e4f54bdb1e (diff) | |
download | rails-1a22fb59c944aee70c968688dc0440596670076b.tar.gz rails-1a22fb59c944aee70c968688dc0440596670076b.tar.bz2 rails-1a22fb59c944aee70c968688dc0440596670076b.zip |
Added JavascriptHelper#periodically_call_remote in order to create areas of a page that update automatically at a set interval #945 [Jon Tirsen]
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@1108 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
Diffstat (limited to 'actionpack/lib/action_view/helpers/javascript_helper.rb')
-rw-r--r-- | actionpack/lib/action_view/helpers/javascript_helper.rb | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/actionpack/lib/action_view/helpers/javascript_helper.rb b/actionpack/lib/action_view/helpers/javascript_helper.rb index 59765f9737..ba418b15b3 100644 --- a/actionpack/lib/action_view/helpers/javascript_helper.rb +++ b/actionpack/lib/action_view/helpers/javascript_helper.rb @@ -71,6 +71,15 @@ module ActionView link_to_function(name, remote_function(options), html_options) end + # Periodically calls the specified url (<tt>options[:url]</tt>) every <tt>options[:frequency]</tt> seconds (default is 10). + # Usually used to update a specified div (<tt>options[:update]</tt>) with the results of the remote call. + # The options for specifying the target with :url and defining callbacks is the same as link_to_remote. + def periodically_call_remote(options = {}) + frequency = options[:frequency] || 10 # every ten seconds by default + code = "new PeriodicalExecuter(function() {#{remote_function(options)}}, #{frequency})" + content_tag("script", code, options[:html_options] || {}) + end + # Returns a form tag that will submit using XMLHttpRequest in the background instead of the regular # reloading POST arrangement. Even though it's using Javascript to serialize the form elements, the form submission # will work just like a regular submission as viewed by the receiving side (all elements available in @params). |