Module: ViewFu::TagHelper

Defined in:
lib/view_fu/tag_helper.rb

Instance Method Summary collapse

Instance Method Details

#add_class_if(css_class, condition) ⇒ Object 



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# File 'lib/view_fu/tag_helper.rb', line 75

def add_class_if(css_class, condition)
  if condition
    {:class => css_class}
  else
    {}
  end
end

#add_class_unless(css_class, condition) ⇒ Object 



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# File 'lib/view_fu/tag_helper.rb', line 83

def add_class_unless(css_class, condition)
  add_class_if(css_class, !condition)
end

#anchor(anchor_name, options = {}) ⇒ Object

Writes an anchor tag



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# File 'lib/view_fu/tag_helper.rb', line 25

def anchor(anchor_name, options = {})
  content_tag(:a, {:name => anchor_name}.reverse_merge(options)) do
    ""
  end
end

#br ⇒ Object

Writes a br tag



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# File 'lib/view_fu/tag_helper.rb', line 5

def br
  "<br />"
end

#clear(direction = nil) ⇒ Object

Writes a clear div tag



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# File 'lib/view_fu/tag_helper.rb', line 45

def clear(direction = nil)
  clear_tag(:div, direction)
end

#clear_tag(tag, direction = nil) ⇒ Object

Writes a clear tag



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# File 'lib/view_fu/tag_helper.rb', line 32

def clear_tag(tag, direction = nil)
  if tag == :br
    "<br class=\"clear#{direction}\" />"
  else
    "<#{tag} class=\"clear#{direction}\"></#{tag}>"
  end
end

#clearbit_icon(icon, color, options = {}) ⇒ Object

clearbit icons



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# File 'lib/view_fu/tag_helper.rb', line 151

def clearbit_icon(icon, color, options = {})
  image_tag "clearbits/#{icon}.gif", {:class => "clearbits #{color}", :alt => icon}.merge(options)
end

#current_year ⇒ Object 



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# File 'lib/view_fu/tag_helper.rb', line 40

def current_year
  Time.now.strftime("%Y")
end

#delete_link(*args) ⇒ Object

Wrap a delete link



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# File 'lib/view_fu/tag_helper.rb', line 110

def delete_link(*args)
  options = {:method => :delete, :confirm => "Are you sure you want to delete this?"}.merge(args.extract_options!)
  args << options
  link_to(*args)
end

#hidden ⇒ Object

Return a hidden attribute hash (useful in Haml tags - %div#hidden)



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# File 'lib/view_fu/tag_helper.rb', line 55

def hidden
  {:style => "display:none"}
end

#hide_if(condition) ⇒ Object Also known as: hidden_if, show_unless

Return a hidden attribute hash if a condition evaluates to true



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# File 'lib/view_fu/tag_helper.rb', line 88

def hide_if(condition)
  if condition
    hidden
  else
    {}
  end
end

#hide_unless(condition) ⇒ Object Also known as: hidden_unless, show_if

Return a hidden attribute hash if a condition evaluates to false



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# File 'lib/view_fu/tag_helper.rb', line 99

def hide_unless(condition)
  if !condition
    hidden
  else
    {}
  end
end

#hr ⇒ Object

Writes an hr tag



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# File 'lib/view_fu/tag_helper.rb', line 10

def hr
  "<hr />"
end

#is_edit? ⇒ Boolean

Check if we're on Edit or Update actions

Returns:

  • (Boolean) 


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# File 'lib/view_fu/tag_helper.rb', line 134

def is_edit?
  action = params[:action]
  action == "edit" || action == "update"
end

#is_first(i) ⇒ Object

check to see if an index is the first item in a collection



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# File 'lib/view_fu/tag_helper.rb', line 161

def is_first(i)
  i.to_i.zero? ? {:class => "first"} : {}
end

#is_new? ⇒ Boolean

Check if we're on New or Create actions

Returns:

  • (Boolean) 


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# File 'lib/view_fu/tag_helper.rb', line 128

def is_new?
  action = params[:action]
  action == "new" || action == "create"
end

#link_to_block(*args, &block) ⇒ Object

Wrap a block with a link



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# File 'lib/view_fu/tag_helper.rb', line 117

def link_to_block(*args, &block)
  content = capture_haml(&block)
  return link_to(content, *args)
end

#link_to_image(image_path, label, url, options = {}) ⇒ Object

Easily link to an image



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# File 'lib/view_fu/tag_helper.rb', line 60

def link_to_image(image_path, label, url, options={})
  # setup vertical alignment
  vert_align = options.delete(:vert)
  if vert_align.nil?
    vert_style = "vertical-align: middle"
  elsif vert_align.blank?
    vert_style = ""
  else
    vert_style = "vertical-align: #{vert_align.to_i}px"
  end

  link_to(image_tag(image_path, :class => "vert-middle", :style => "#{vert_style}"), url, options)+"&nbsp;"+
  link_to(label, url, options)
end

#lorem ⇒ Object

Return some lorem text



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# File 'lib/view_fu/tag_helper.rb', line 50

def lorem
  "Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum."
end

#nbsp ⇒ Object

Writes a nonbreaking space



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# File 'lib/view_fu/tag_helper.rb', line 15

def nbsp
  "&nbsp;"
end

#paging(page_data, style = :sabros) ⇒ Object

Display will_paginate paging links



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# File 'lib/view_fu/tag_helper.rb', line 145

def paging(page_data, style = :sabros)
  return unless page_data.is_a? WillPaginate::Collection
  will_paginate(page_data, :class => "pagination #{style}", :inner_window => 3)
end

#pixel(options = {}) ⇒ Object

pixel spacing helper



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# File 'lib/view_fu/tag_helper.rb', line 156

def pixel(options = {})
  image_tag "pixel.png", options
end

#production? ⇒ Boolean

Check if we're on production environment

Returns:

  • (Boolean) 


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# File 'lib/view_fu/tag_helper.rb', line 123

def production?
  Rails.env == "production"
end

#space ⇒ Object

Writes an hr space tag



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# File 'lib/view_fu/tag_helper.rb', line 20

def space
  "<hr class='space' />"
end

#use_cache? ⇒ Boolean

Whether or not to use caching

Returns:

  • (Boolean) 


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# File 'lib/view_fu/tag_helper.rb', line 140

def use_cache?
  ActionController::Base.perform_caching
end