Class: VORuby::VOTable::V1_0::Table

Inherits:
Base show all
Defined in:
lib/voruby/votable/1.0/votable.rb

Overview

The basic structure of a votable. Essentially, tablular data + a description of the columns of that data.

Constant Summary collapse

ELEMENT_NAME = 
'TABLE'

Instance Attribute Summary

Attributes inherited from XML::Object::Base

#node

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#==, element_name, #get_element, #xpath_for

Methods inherited from XML::Object::Base

#==, element_name, from_file, #to_s

Constructor Details

#initialize(defn = nil) ⇒ Table

Create a new table. table = Table.new( :name => 'results', :fields => [Field.new()], :data => Data.new(:format => TableData.new()) )



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# File 'lib/voruby/votable/1.0/votable.rb', line 800

def initialize(defn=nil)
  super(defn)
end

Class Method Details

.serialization_order ⇒ Object 



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# File 'lib/voruby/votable/1.0/votable.rb', line 787

def self.serialization_order
  [
    :description, :fields, :links, :data,
    :id, :name, :ref
  ]
end

Instance Method Details

#data ⇒ Object

Retrieve the data (Data).



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# File 'lib/voruby/votable/1.0/votable.rb', line 839

def data
  get_element(Data)
end

#data=(d) ⇒ Object

Set the data (Data).



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# File 'lib/voruby/votable/1.0/votable.rb', line 844

def data=(d)
  set_element(Data, d)
end

#description ⇒ Object

Retrieve the description (Description).



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# File 'lib/voruby/votable/1.0/votable.rb', line 829

def description
  get_element(Description)
end

#description=(d) ⇒ Object

Set the description (Description).



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# File 'lib/voruby/votable/1.0/votable.rb', line 834

def description=(d)
  set_element(Description, d)
end

#fields ⇒ Object

Retrieve the fields (Field), a.k.a. column descriptions. Returns a HomogeneousNodeList.



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# File 'lib/voruby/votable/1.0/votable.rb', line 850

def fields
  HomogeneousNodeList.new(self.node, xpath_for(Field), Field)
end

#fields=(flds) ⇒ Object

Set the fields. table.fields = [Field.new(), ...]



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# File 'lib/voruby/votable/1.0/votable.rb', line 856

def fields=(flds)
  self.fields.replace(flds)
end

#id ⇒ Object 



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# File 'lib/voruby/votable/1.0/votable.rb', line 804

def id
  self.node['ID']
end

#id=(i) ⇒ Object 



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# File 'lib/voruby/votable/1.0/votable.rb', line 808

def id=(i)
  @node['ID'] = i.to_s
end

#links ⇒ Object

Retrieve the links (Link). Returns a HomogeneousNodeList.



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# File 'lib/voruby/votable/1.0/votable.rb', line 862

def links
  HomogeneousNodeList.new(self.node, xpath_for(Link), Link)
end

#links=(lnks) ⇒ Object

Set the links (Link). table.links = [Link.new(), ...]



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# File 'lib/voruby/votable/1.0/votable.rb', line 868

def links=(lnks)
  self.links.replace(lnks)
end

#name ⇒ Object 



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# File 'lib/voruby/votable/1.0/votable.rb', line 812

def name
  self.node['name']
end

#name=(n) ⇒ Object 



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# File 'lib/voruby/votable/1.0/votable.rb', line 816

def name=(n)
  @node['name'] = n.to_s
end

#ref ⇒ Object 



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# File 'lib/voruby/votable/1.0/votable.rb', line 820

def ref
  self.node['ref']
end

#ref=(r) ⇒ Object 



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# File 'lib/voruby/votable/1.0/votable.rb', line 824

def ref=(r)
  @node['ref'] = r.to_s
end

#to_html ⇒ Object

Convert the table into HTML. Not all aspects of the votable are translated. table = Table.new( :id => 'table1', :description => Description.new(:text => 'A test table'), :fields => [ Field.new(:name => 'RA', :id => 'col1', :ucd => 'pos.eq.ra;meta.main', :ref => 'J2000', :datatype => 'float', :width => 6, :precision => '2', :unit => 'deg'), Field.new(:name => 'Dec', :id => 'col2', :ucd => 'pos.eq.dec;meta.main', :ref => 'J2000', :datatype => 'float', :width => 6, :precision => '2', :unit => 'deg'), Field.new(:name => 'Name', :id => 'col3', :ucd => 'meta.id;meta.main', :datatype => 'char', :arraysize => '8*') ], :data => Data.new( :format => TableData.new( :trs => [ Tr.new(:tds => [Td.new(:text => '123'), Td.new(:text => '456'), Td.new(:text => 'my_obj1')]), Tr.new(:tds => [Td.new(:text => '789'), Td.new(:text => '112'), Td.new(:text => 'my_obj2')]), Tr.new(:tds => [Td.new(:text => '145'), Td.new(:text => '178'), Td.new(:text => 'my_obj3')]) ] ) ) )

puts table.to_html # =>

A test table
RA
pos.eq.ra;meta.main
deg
float
Dec
pos.eq.dec;meta.main
deg
float
Name
meta.id;meta.main
char 8*
123 456 my_obj1
789 112 my_obj2
145 178 my_obj3 


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# File 'lib/voruby/votable/1.0/votable.rb', line 945

def to_html
  builder = Builder::XmlMarkup.new(:indent => 2, :margin => 2)
  
  tbl_options = {}
  tbl_options[:id] = self.id if self.id
  
  builder.table(tbl_options) { |table|
    table.caption(self.description.text) if self.description
    
    table.thead { |thead|
      if self.fields.size > 0
        thead.tr { |tr|
          self.fields.each do |field|
            tr.th { |th|
              th << field.to_html
            }
          end
        }
      end
    }
    
    if self.data and self.data.format
      table.tbody { |tbody|
        self.data.format.trs.each do |tr|
          tbody << tr.to_html
        end
      }
    end
  }
end