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Hi all,
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Is there something out there that would let me create DOM objects in a mo= re=20
Rubyesque manner? For example, say I want to create a 'select' object in= a=20
web page. I'd like an API something along these lines:
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select =3D Select.new
select.options =3D ["joe", "bob", "moe"] # or {1=3D>"joe", 2=3D>"bob", 3= =3D>"moe"}
select.selected_index =3D 2
select.title =3D "Three guys"
select.access_key =3D "A"
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p select.html # Show html that would be generated using above options
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You get the picture. Is there anything like this out on the RAA? Nothin= g=20
immediately jumped out at me.
REXML has a DOM-like API, and it comes pre-installed with Ruby:
# load REXML=20
require 'rexml/document'
#
# Create an HTML select element.
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class HTMLSelect
attr_accessor
ptions, :attrs, :index
def initialize(options =3D [], select_attrs =3D {}, selected_index =3D =
nil)
@options, @attrs,
@index =3D options, select_attrs, selected_index
end
def to_s
# create return select element and append requested attributes
ret =3D REXML::Element.new('select')
@attrs.each { |key, val| ret.attributes[key] =3D val }
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# iterate over, create, and append each option
@options.each_with_index do |opt, i|
# create and append element
opt_elem =3D ret << REXML::Element.new('option')
# add option text, and option attributes
opt_elem << REXML::Text.new(opt)
opt_elem.attributes['value'] =3D i.to_s
opt_elem.attributes['selected'] =3D 'Y' if i =3D=3D
@index
end
# convert select element to string and return
ret.to_s
end
end
# define attributes, option items, and initial selected index
select_attrs =3D {
'name' =3D> 'which_guy',
'title' =3D> 'Three Guys',
'access_key' =3D> 'A',
}
selected_index, options =3D 2, %w{joe bob moe}
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# build select box and print out result
puts HTMLSelect.new(options, select_attrs, selected_index).to_s
Hope this helps...
--=20
Paul Duncan <
[email protected]> pabs in #ruby-lang (OPN IRC)
http://www.pablotron.org/ OpenPGP Key ID: 0x82C29562
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