Module: SimpleWorkflow::Helper

Included in:
ActionController::Base, ApplicationHelper
Defined in:
lib/simple_workflow/helper.rb

Instance Method Summary collapse

Instance Method Details



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# File 'lib/simple_workflow/helper.rb', line 71

def back_or_link_to(title, options = nil, html_options = nil)
  if session[:detours]
    options      = {:return_from_detour => true}.update(session[:detours].last)

    # FIXME(uwe): Write a test to prove this line is needed.
    options['id'] ||= nil
    # EMXIF

    logger.debug "linked return from detour: #{options.inspect}"
  end
  link_to(title, options, html_options) if options
end

#detour? ⇒ Boolean 



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# File 'lib/simple_workflow/helper.rb', line 67

def detour?
  not session[:detours].nil?
end

#detour_to(title, options = nil, html_options = nil, &block) ⇒ Object 



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# File 'lib/simple_workflow/helper.rb', line 8

def detour_to(title, options = nil, html_options = nil, &block)
  if block
    html_options     = options
    options          = title
    link_with_detour = link_to(with_detour(options), html_options, &block)
  else
    link_with_detour = link_to(title, with_detour(options), html_options)
  end
  if link_with_detour.size > 4096 # URL maximum size overflow
    if block
      link_with_detour = link_to(options, html_options, &block)
    else
      link_with_detour = link_to(title, options, html_options)
    end
  end
  link_with_detour
end

#image_button_to(image_source, title, options, html_options = {}) ⇒ Object 



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# File 'lib/simple_workflow/helper.rb', line 2

def image_button_to(image_source, title, options, html_options = {})
  image_submit_tag image_source, {:class   => 'image-submit', :alt => title, :title => title,
                                  :id      => "#{title}_#{options[:id]}", :name => title,
                                  :onclick => "form.action='#{url_for(options)}'"}.update(html_options)
end

#image_detour_to(image_source, title, url_options, image_options = nil, link_options = nil) ⇒ Object 



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# File 'lib/simple_workflow/helper.rb', line 39

def image_detour_to(image_source, title, url_options, image_options = nil, link_options = nil)
  image_options ||= {:class => 'image-submit'}
  image_options.update :alt => title, :title => title
  detour_to image_tag(image_source, image_options), url_options, link_options
end

#image_link_to(image_source, title, url_options, image_options = nil, link_options = nil) ⇒ Object 



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# File 'lib/simple_workflow/helper.rb', line 45

def image_link_to(image_source, title, url_options, image_options = nil, link_options = nil)
  if link_options == true
    link_options = {:method => :post}
  elsif link_options == false
    link_options = nil
  end
  image_options ||= {:class => 'image-submit'}
  image_options.update :alt => title, :title => title
  link_to image_tag(image_source, image_options), url_options, link_options
end

#image_link_to_remote(image_source, title, link_options, image_options = nil, html_options = {}) ⇒ Object 



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# File 'lib/simple_workflow/helper.rb', line 56

def image_link_to_remote(image_source, title, link_options, image_options = nil, html_options = {})
  if html_options == true
    html_options = {:method => :post}
  elsif html_options == false
    html_options = {}
  end
  image_options ||= {:class => 'image-submit'}
  image_options.update :alt => title, :title => title
  link_to image_tag(image_source, image_options), link_options, html_options.merge(:remote => true)
end

#origin_options ⇒ Object 



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# File 'lib/simple_workflow/helper.rb', line 35

def origin_options
  params.reject { |k, v| [:detour, :return_from_detour].include? k.to_sym }
end

#with_detour(options, origin = origin_options) ⇒ Object

Takes a link destination and augments it with the current page as origin. If the optional second argument is given, it is used as the origin. If the given origin is only an anchor, it is added to the current page.



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# File 'lib/simple_workflow/helper.rb', line 29

def with_detour(options, origin = origin_options)
  origin.update(origin_options) if origin.keys == [:anchor]
  url = url_for(options)
  url + (url =~ /\?/ ? '&' : '?') + origin.to_param('detour')
end