Padrino::Helpers::TagHelpers

Creates an HTML tag with given name, content, and options

@overload content_tag(name, content, options = nil)

@param [Symbol] name
  The name of the HTML tag to create.
@param [String] content
  The content inside of the the tag.
@param [Hash] options
  The HTML options to include in this tag.

@overload content_tag(name, options = nil, &block)

@param [Symbol] name
  The name of the HTML tag to create.
@param [Hash] options
  The HTML options to include in this tag.
@param [Proc] block
  The block returning HTML content.

@macro [new] global_html_attributes

@option options [String] :id
  Specifies a unique identifier for the element.
@option options [String] :class
  Specifies the stylesheet class of the element.
@option options [String] :title
  Specifies the title for the element.
@option options [String] :accesskey
  Specifies a shortcut key to access the element.
@option options [Symbol] :dropzone
  Specifies what happens when dragged items are dropped on the element. (:copy, :link, :move)
@option options [Boolean] :hidden
  Specifies whether or not the element is hidden from view.
@option options [Boolean] :draggable
  Specifies whether or not the element is draggable. (true, false, :auto)
@option options [Boolean] :contenteditable
  Specifies whether or not the element is editable.

@return [String]

Generated HTML with specified +options+

@example

content_tag(:p, 'Hello World', :class => 'light')

# => <p class="light">
# =>   Hello World
# => </p>

content_tag(:p, :class => 'dark') do
  link_to 'Padrino', 'http://www.padrinorb.com'
end

# => <p class="dark">
# =>   <a href="http://www.padrinorb.com">Padrino</a>
# => </p>

@api public

# File lib/padrino-helpers/tag_helpers.rb, line 120
def content_tag(name, content = nil, options = nil, &block)
  if block_given?
    options = content if content.is_a?(Hash)
    content = capture_html(&block)
  end

  options    = parse_data_options(name, options)
  attributes = tag_attributes(options)
  output = ActiveSupport::SafeBuffer.new
  output.safe_concat "<#{name}#{attributes}>"
  if content.respond_to?(:each) && !content.is_a?(String)
    content.each { |c| output.concat c; output.safe_concat NEWLINE }
  else
    output.concat content
  end
  output.safe_concat "</#{name}>"

  block_is_template?(block) ? concat_content(output) : output
end

Creates an HTML input field with the given type and options

@param [Symbol] type

The type of input to create.

@param [Hash] options

The HTML options to include in this input.

@option options [String] :id

Specifies a unique identifier for the input.

@option options [String] :class

Specifies the stylesheet class of the input.

@option options [String] :name

Specifies the name of the input.

@option options [String] :accesskey

Specifies a shortcut key to access the input.

@option options [Integer] :tabindex

Specifies the tab order of the input.

@option options [Boolean] :hidden

Specifies whether or not the input is hidden from view.

@option options [Boolean] :spellcheck

Specifies whether or not the input should have it's spelling and grammar checked for errors.

@option options [Boolean] :draggable

Specifies whether or not the input is draggable. (true, false, :auto)

@option options [String] :pattern

Specifies the regular expression pattern that the input's value is checked against.

@option options [Symbol] :autocomplete

Specifies whether or not the input should have autocomplete enabled. (:on, :off)

@option options [Boolean] :autofocus

Specifies whether or not the input should automatically get focus when the page loads.

@option options [Boolean] :required

Specifies whether or not the input is required to be completeled before the form is submitted.

@option options [Boolean] :readonly

Specifies whether or not the input is read only.

@option options [Boolean] :disabled

Specifies whether or not the input is disabled.

@return [String]

Generated HTML with specified +options+

@example

input_tag :text, :name => 'handle'
# => <input type="test" name="handle" />

input_tag :password, :name => 'password', :size => 20
# => <input type="password" name="password" size="20" />

input_tag :text, :name => 'username', :required => true, :autofocus => true
# => <input type="text" name="username" required autofocus />

input_tag :number, :name => 'credit_card', :autocomplete => :off
# => <input type="number" autocomplete="off" />

@api semipublic

# File lib/padrino-helpers/tag_helpers.rb, line 204
def input_tag(type, options = {})
  tag(:input, options.reverse_merge!(:type => type))
end

Like content_tag, but assumes its input to be safe and doesn't escape. It also returns safe html.

@see content_tag

# File lib/padrino-helpers/tag_helpers.rb, line 146
def safe_content_tag(name, content = nil, options = nil, &block)
  mark_safe(content_tag(name, mark_safe(content), options, &block))
end

Creates an HTML tag with the given name and options

@param [Symbol] name

The name of the HTML tag to create.

@param [Hash] options

The HTML options to include in this tag.

@macro global_html_attributes

@return [String]

Generated HTML with specified +options+

@example

tag :hr, :class => 'dotted'
# => <hr class="dotted" />

tag :input, :name => 'username', :type => :text
# => <input name="username" type="text" />

tag :img, :src => 'images/pony.jpg', :alt => 'My Little Pony'
# => <img src="images/pony.jpg" alt="My Little Pony" />

tag :img, :src => 'sinatra.jpg, :data => { :nsfw => false, :geo => [34.087, -118.407] }
# => <img src="sinatra.jpg" data-nsfw="false" data-geo="34.087 -118.407" />

@api public

# File lib/padrino-helpers/tag_helpers.rb, line 235
def tag(name, options = nil, open = false)
  options    = parse_data_options(name, options)
  attributes = tag_attributes(options)
  "<#{name}#{attributes}#{open ? '>' : ' />'}".html_safe
end