Class: Builder::XmlMarkup

Inherits:
Object show all
Defined in:
lib/smklib/builder_ext.rb

Defined Under Namespace

Classes: AbortTransaction

Class Attribute Summary collapse

Instance Method Summary collapse

Class Attribute Details

.environment ⇒ Object

Returns the value of attribute environment.



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# File 'lib/smklib/builder_ext.rb', line 32

def environment
  @environment
end

Instance Method Details

#abort! ⇒ Object

Raises:



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# File 'lib/smklib/builder_ext.rb', line 25

def abort!
	raise AbortTransaction, "abort" unless @ignore_abort
end

#get_img_size(filename) ⇒ Object 



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# File 'lib/smklib/builder_ext.rb', line 69

def get_img_size(filename)
  im = Magick::Image.read(real_filename(filename)).first
  return [im.columns, im.rows]
end

#get_ua ⇒ Object 



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# File 'lib/smklib/builder_ext.rb', line 35

def get_ua
  env = ENV
  env = Builder::XmlMarkup.environment if Builder::XmlMarkup.environment
  env['HTTP_USER_AGENT']
end

#ignore_abort!(val = true) ⇒ Object 



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# File 'lib/smklib/builder_ext.rb', line 21

def ignore_abort!(val = true)
	@ignore_abort = val
end

#img(options = {}) ⇒ Object 



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# File 'lib/smklib/builder_ext.rb', line 74

def img(options = {})
if get_ua =~ /MSIE 6.*Windows/
	if options[:src] =~ /\.png$/
		options[:style] = "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='#{options[:src]}', sizingMethod='scale');" + options[:style].to_s
		options[:width], options[:height] = get_img_size(options[:src]) unless options[:width] && options[:height]
		options[:src] = '/images/spacer.gif'
	end
end
  if block_given?
    method_missing(:img, options, yield)
  else
    method_missing(:img, options)
  end
end

#nbsp(count = 1) ⇒ Object 



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# File 'lib/smklib/builder_ext.rb', line 89

def nbsp(count=1)
  self << (1..count).collect{ "&nbsp;" }.join
end

#ob2(ob, *extra, &block) ⇒ Object 



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# File 'lib/smklib/builder_ext.rb', line 93

def ob2(ob, *extra, &block)
	# yes this is kind of ugly but makes this a soft dependancy on OdlumBox2
	ob = Class.const_get('OdlumBox2').new(ob) if ob.kind_of? Hash
	div(*extra) do
		ob.render(self) { |xml|
			yield
		}
	end
end

#real_filename(filename) ⇒ Object 



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# File 'lib/smklib/builder_ext.rb', line 61

def real_filename(filename)
if defined?(RAILS_ROOT)
	RAILS_ROOT + "/public/" + filename
else
	filename
end
end

#sortable_column_header(label, link, options = {}) ⇒ Object 



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# File 'lib/smklib/builder_ext.rb', line 50

def sortable_column_header(label, link, options = {})
  #th({"x" => "y"}.merge(options)) do
  th(options) do
    if !label.empty?
      a("href" => link) { self << "&nbsp;#{label}&nbsp;" }
    else
      self << "&nbsp;"
    end
  end
end

#table_row(cells, tr_options = {}, td_options = {}) ⇒ Object

cells is an array of objects that respond to to_s



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# File 'lib/smklib/builder_ext.rb', line 46

def table_row(cells, tr_options = {}, td_options = {})
  tr(tr_options) { cells.each_with_index { |i,k| td(td_options[k] || {}) { self << i.to_s } } }
end

#tight_table(options = {}) ⇒ Object 



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# File 'lib/smklib/builder_ext.rb', line 41

def tight_table(options = {})
  table({ "cellspacing" => 0, "cellpadding" => 0, "border" => 0 }.merge(options)) { yield }
end

#transaction!(&block) ⇒ Object 



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# File 'lib/smklib/builder_ext.rb', line 10

def transaction!(&block)
	old_target = @target
	@target = ''
	begin
		yield
		@target = old_target + @target
	rescue AbortTransaction => e
		@target = old_target
	end
end