diff options
Diffstat (limited to 'actionpack/lib/action_view/helpers')
-rw-r--r-- | actionpack/lib/action_view/helpers/url_helper.rb | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/actionpack/lib/action_view/helpers/url_helper.rb b/actionpack/lib/action_view/helpers/url_helper.rb index 8ba3df379b..313895c1be 100644 --- a/actionpack/lib/action_view/helpers/url_helper.rb +++ b/actionpack/lib/action_view/helpers/url_helper.rb @@ -16,6 +16,9 @@ module ActionView # get a link tag that just points without consideration. If nil is passed as a name, the link itself will become the name. # The html_options have a special feature for creating javascript confirm alerts where if you pass :confirm => 'Are you sure?', # the link will be guarded with a JS popup asking that question. If the user accepts, the link is processed, otherwise not. + # + # Example: + # link_to "Delete this page", { :action => "destroy", :id => @page.id }, :confirm => "Are you sure?" def link_to(name, options = {}, html_options = {}, *parameters_for_method_reference) convert_confirm_option_to_javascript!(html_options) unless html_options.nil? if options.is_a?(String) @@ -28,21 +31,25 @@ module ActionView end end - # Creates a link tag to the image residing at the +src+ using an URL created by the set of +options+. See the valid options in + # Creates a link tag on the image residing at the +src+ using an URL created by the set of +options+. See the valid options in # link:classes/ActionController/Base.html#M000021. It's also possible to pass a string instead of an options hash to # get a link tag that just points without consideration. The <tt>html_options</tt> works jointly for the image and ahref tag by # letting the following special values enter the options on the image and the rest goes to the ahref: # - # * <tt>alt</tt> - If no alt text is given, the file name part of the +src+ is used (capitalized and without the extension) - # * <tt>size</tt> - Supplied as "XxY", so "30x45" becomes width="30" and height="45" - # * <tt>border</tt> - Is set to 0 by default - # * <tt>align</tt> - Sets the alignment, no special features + # * <tt>:alt</tt> - If no alt text is given, the file name part of the +src+ is used (capitalized and without the extension) + # * <tt>:size</tt> - Supplied as "XxY", so "30x45" becomes width="30" and height="45" + # * <tt>:border</tt> - Is set to 0 by default + # * <tt>:align</tt> - Sets the alignment, no special features # # The +src+ can be supplied as a... # * full path, like "/my_images/image.gif" # * file name, like "rss.gif", that gets expanded to "/images/rss.gif" # * file name without extension, like "logo", that gets expanded to "/images/logo.png" - def link_to_image(src, options = {}, html_options = {}, *parameters_for_method_reference) + # + # Examples: + # link_image_to "logo", { :controller => "home" }, :alt => "Homepage", :size => "45x80" + # link_image_to "delete", { :action => "destroy" }, :size => "10x10", :confirm => "Are you sure?", "class" => "admin" + def link_image_to(src, options = {}, html_options = {}, *parameters_for_method_reference) image_options = { "src" => src.include?("/") ? src : "/images/#{src}" } image_options["src"] = image_options["src"] + ".png" unless image_options["src"].include?(".") @@ -73,6 +80,8 @@ module ActionView link_to(tag("img", image_options), options, html_options, *parameters_for_method_reference) end + alias_method :link_to_image, :link_image_to # deprecated name + # Creates a link tag of the given +name+ using an URL created by the set of +options+, unless the current # request uri is the same as the link's, in which case only the name is returned (or the # given block is yielded, if one exists). This is useful for creating link bars where you don't want to link |