Class: Celerity::Button

Input: Button

Class representing button elements

Constants

ATTRIBUTES
BASE_ATTRIBUTES | [:type, :disabled, :tabindex, :accesskey, :onfocus, :onblur] | [:src, :usemap, :ismap]
DEFAULT_HOW
:value
TAGS
[ Identifier.new('button'), Identifier.new('input', :type => %w[submit reset image button]) ]

Constants Inherited from Celerity::Element

BASE_ATTRIBUTES, CELLHALIGN_ATTRIBUTES, CELLVALIGN_ATTRIBUTES, HTML_401_TRANSITIONAL, TO_S_SIZE

Constructor Summary

This class inherits a constructor from Celerity::Element.

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Celerity::Element

public String method_missing(meth, *args, &blk)

Dynamically get element attributes.

Meta Tags

Parameters:

Returns:

[String]

The resulting attribute.

Raises:

[NoMethodError]

if the element doesn’t support this attribute.

See Also:

ATTRIBUTES constant for a list of valid methods for a given element.
[View source] 


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# File 'lib/celerity/element.rb', line 235

def method_missing(meth, *args, &blk)
  assert_exists

  meth = selector_to_attribute(meth)

  if self.class::ATTRIBUTES.include?(meth) || (self.class == Element && @object.hasAttribute(meth.to_s))
    return @object.getAttribute(meth.to_s)
  end
  Log.warn "Element\#method_missing calling super with #{meth.inspect}"
  super
end

Public Visibility

Public Instance Method Summary

#locate

Public Instance Methods Inherited from Celerity::InputElement

readonly?

Public Instance Method Details

locate

public locate

Meta Tags

Parameters:

[View source] 


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# File 'lib/celerity/elements/button.rb', line 22

def locate
  # We want the :value attribute to point to the inner HTML for <button> elements, 
  # and to the value attribute for <input type="button"> elements. 
  
  if (val = @conditions[:value])
    button_ident      = Identifier.new('button')
    button_ident.text = val
    input_ident       = Identifier.new('input', :type => %w[submit reset image button], :value => [val])
    
    locator        = ElementLocator.new(@container, self.class)
    locator.idents = [button_ident, input_ident]
    
    conditions = @conditions.dup
    conditions.delete(:value)
    @object = locator.find_by_conditions(conditions)
  else
    super
  end
end