Module: ViewFu::TagHelper

Defined in:
lib/view_fu/tag_helper.rb

Instance Method Summary collapse

Instance Method Details

#anchor(anchor_name) ⇒ Object

Writes an anchor tag



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

def anchor(anchor_name)
  "<a name='#{anchor_name}'></a>"
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 34

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 25

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 125

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

#delete_link(*args) ⇒ Object

Wrap a delete link



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# File 'lib/view_fu/tag_helper.rb', line 84

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 44

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

#hide_if(condition) ⇒ Object

Return a hidden attribute hash if a condition evaluates to true



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# File 'lib/view_fu/tag_helper.rb', line 66

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

#hide_unless(condition) ⇒ Object

Return a hidden attribute hash if a condition evaluates to false



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

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 108

def is_edit?
  action = params[:action]
  action == "edit" || action == "update"
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 102

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 91

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 49

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 39

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

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

Display will_paginate paging links



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# File 'lib/view_fu/tag_helper.rb', line 119

def paging(page_data, style = :sabros)
  return unless page_data.class == 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 130

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 97

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 15

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 114

def use_cache?
  ActionController::Base.perform_caching
end