Class: Wice::Columns::ConditionsGeneratorColumnInteger

Inherits:
ConditionsGeneratorColumn show all
Defined in:
lib/wice/columns/column_integer.rb

Overview

:nodoc:

Instance Method Summary collapse

Methods inherited from ConditionsGeneratorColumn

#initialize

Constructor Details

This class inherits a constructor from Wice::Columns::ConditionsGeneratorColumn

Instance Method Details

#generate_conditions(table_alias, opts) ⇒ Object

:nodoc:



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# File 'lib/wice/columns/column_integer.rb', line 55

def  generate_conditions(table_alias, opts)   #:nodoc:
  unless opts.kind_of? Hash
    Wice.log "invalid parameters for the grid integer filter - must be a hash"
    return false
  end
  conditions = [[]]
  if opts[:eq]
    op, num = get_op_and_value(opts[:eq])
    if op && num
      conditions[0] << " #{@column_wrapper.alias_or_table_name(table_alias)}.#{@column_wrapper.name} " + op + " ? "
      conditions << num
    else
      opts.delete(:eq)
    end
  end

  if conditions.size == 1
    return false
  end

  conditions[0] = conditions[0].join(' and ')

  conditions
end

#get_op_and_value(val) ⇒ Object 



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# File 'lib/wice/columns/column_integer.rb', line 37

def get_op_and_value(val)
  num = nil
  op  = nil

  # remove spaces
  val = val.gsub(' ','')

  first_digit_or_dot_index = val =~ /[0-9.]/
  if first_digit_or_dot_index
    op = val[0...first_digit_or_dot_index]
    op = '=' if op == ''
    num = Float(val[first_digit_or_dot_index..-1]) rescue nil

    op = nil unless ['<','>','<=','>=','='].include?(op)
  end
  [op, num]
end