Class: LedgerWeb::Table

Inherits:
Object
  • Object
show all
Defined in:
lib/ledger_web/table.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(report) {|_self| ... } ⇒ Table

Returns a new instance of Table.

Yields:

  • (_self)

Yield Parameters:



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# File 'lib/ledger_web/table.rb', line 6

def initialize(report)
  @report = report
  @decorators = []
  @attributes = {}
  yield self if block_given?
end

Instance Attribute Details

#attributes ⇒ Object (readonly)

Returns the value of attribute attributes.



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# File 'lib/ledger_web/table.rb', line 4

def attributes
  @attributes
end

Instance Method Details

#clear_decorators ⇒ Object 



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# File 'lib/ledger_web/table.rb', line 17

def clear_decorators
  @decorators.clear
end

#decorate(decorator) ⇒ Object 



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# File 'lib/ledger_web/table.rb', line 13

def decorate decorator
  @decorators << decorator
end

#link(href) ⇒ Object 



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# File 'lib/ledger_web/table.rb', line 21

def link href
  if_clause = href.delete(:if)
  href[href.keys.first] = LedgerWeb::Decorators::LinkDecorator.new(href.values.first)
  href[:if] = if_clause
  @decorators << href
end

#render ⇒ Object 



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# File 'lib/ledger_web/table.rb', line 28

def render
  body_rows = []
  header_aligns = {}

  @report.each do |row|
    body_rows << row.each_with_index.map do |cell, cell_index|
      @decorators.each do |decorator|
        dec = decorator.dup
        if_clause = dec.delete(:if)
        matcher = dec.keys.first

        next unless matcher == :all || cell.title =~ matcher
        if if_clause
          next unless if_clause.call(cell, row)
        end
        cell = dec[matcher].decorate(cell, row)
        header_aligns[cell_index] = cell.align
      end

      style = cell.style.map { |key, val| "#{key}:#{val}"}.join(";")
      %Q{<td style="#{style}"><span class="pull-#{cell.align}">#{cell.text}</span></td>}
    end.join("")
  end

  body = "<tbody>" + body_rows.map { |r| "<tr>#{r}</tr>" }.join("") + "</tbody>"
  header = "<thead><tr>" + @report.fields.each_with_index.map { |f,i| "<th><span class=\"pull-#{header_aligns[i] || 'left'}\">#{f}</span></th>" }.join("") + "</tr></thead>"

  attrs = attributes.map { |key,val| "#{key}=\"#{val}\"" }.join(" ")
  "<table #{attrs}>#{header}#{body}</table>"
end