Class: TableHelper::Footer

Inherits:
HtmlElement show all
Defined in:
lib/table_helper/footer.rb

Overview

Represents the header of the table. In HTML, you can think of this as the <tfoot> tag of the table.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(table) ⇒ Footer

:nodoc:



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# File 'lib/table_helper/footer.rb', line 19

def initialize(table) #:nodoc:
  super()
  
  @table = table
  @row = Row.new(self)
  @hide_when_empty = true
end

Instance Attribute Details

#hide_when_empty ⇒ Object

Whether or not the footer should be hidden when the collection is empty. Default is true.



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# File 'lib/table_helper/footer.rb', line 15

def hide_when_empty
  @hide_when_empty
end

#row ⇒ Object (readonly)

The actual footer row



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# File 'lib/table_helper/footer.rb', line 11

def row
  @row
end

#table ⇒ Object (readonly)

The table this footer is a part of



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# File 'lib/table_helper/footer.rb', line 8

def table
  @table
end

Instance Method Details

#html ⇒ Object

:nodoc:



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# File 'lib/table_helper/footer.rb', line 27

def html #:nodoc:
  # Force the last cell to span the remaining columns
  cells = row.cells.values
  colspan = table.header.columns.length - cells[0..-2].inject(0) {|count, cell| count += (cell[:colspan] || 1).to_i}
  cells.last[:colspan] ||= colspan if colspan > 1
  
  html_options = @html_options.dup
  html_options[:style] = "display: none; #{html_options[:style]}".strip if table.empty? && hide_when_empty
  
  content_tag(tag_name, content, html_options)
end