Class: Tabulatr::Renderer::Column

Inherits:
Object
  • Object
show all
Includes:
ActiveModel::Model
Defined in:
lib/tabulatr/renderer/column.rb

Overview

– Copyright © 2010-2014 Peter Horn & Florian Thomas, metaminded UG

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ++

Direct Known Subclasses

Action, Association, Checkbox

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.from(name: nil, table_name: nil, col_options: nil, klass: nil, output: nil, &block) ⇒ Object 



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# File 'lib/tabulatr/renderer/column.rb', line 31

def self.from(
  name: nil,
  table_name: nil,
  col_options: nil,
  klass: nil,
  output: nil,
  &block)
  self.new(
    name: name,
    table_name: table_name,
    col_options: col_options,
    klass: klass,
    output: output,
    block: block
  )
end

Instance Method Details

#action? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tabulatr/renderer/column.rb', line 68

def action?() false end

#association? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tabulatr/renderer/column.rb', line 66

def association?() false end

#checkbox? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tabulatr/renderer/column.rb', line 67

def checkbox?() false end

#coltype ⇒ Object 



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# File 'lib/tabulatr/renderer/column.rb', line 63

def coltype() 'column' end

#column? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tabulatr/renderer/column.rb', line 65

def column?() true end

#determine_appropriate_filter! ⇒ Object 



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# File 'lib/tabulatr/renderer/column.rb', line 97

def determine_appropriate_filter!
  typ = self.klass.columns_hash[self.name.to_s].type.to_sym rescue nil
  case typ
  when :integer then self.col_options.filter = filter_type_for_integer
  when :enum then self.col_options.filter = :enum
  when :float, :decimal then self.col_options.filter = :decimal
  when :string, :text then self.col_options.filter = :like
  when :date, :time, :datetime, :timestamp then self.col_options.filter = :date
  when :boolean then self.col_options.filter = :checkbox
  when nil then self.col_options.filter = :exact
  else raise "Unknown filter type for #{self.name}: »#{typ}«"
  end
end

#full_name ⇒ Object 



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# File 'lib/tabulatr/renderer/column.rb', line 62

def full_name() [table_name, name].compact.join(":") end

#human_name ⇒ Object 



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# File 'lib/tabulatr/renderer/column.rb', line 50

def human_name()
  h = col_options.header
  if h && h.respond_to?(:call)
    h.()
  elsif h
    h
  else
    klass.human_attribute_name(name)
  end
end

#klassname ⇒ Object 



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# File 'lib/tabulatr/renderer/column.rb', line 48

def klassname() @_klassname ||= @klass.name.underscore end

#principal_value(record, view) ⇒ Object 



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# File 'lib/tabulatr/renderer/column.rb', line 85

def principal_value(record, view)
  if output
    view.instance_exec(record, &output)
  elsif block
    view.instance_exec(record, &block)
  elsif name
    record.send name
  else
    nil
  end
end

#sort_param ⇒ Object 



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# File 'lib/tabulatr/renderer/column.rb', line 61

def sort_param() "#{klassname}_sort" end

#value_for(record, view) ⇒ Object 



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# File 'lib/tabulatr/renderer/column.rb', line 70

def value_for(record, view)
  val = principal_value(record, view)
  if self.col_options.format.present?
    if val.respond_to?(:to_ary)
      val.map do |v|
        format_value(v, view)
      end
    else
      format_value(val, view)
    end
  else
    val
  end
end