Class: MagicGrid::Column

Inherits:
Object
  • Object
show all
Defined in:
lib/magic_grid/column.rb

Direct Known Subclasses

FilterOnlyColumn

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.columns_for_collection(collection, columns, searchables) ⇒ Object 



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# File 'lib/magic_grid/column.rb', line 4

def self.columns_for_collection(collection, columns, searchables)
  columns.each_with_index.map { |c, i|
    MagicGrid::Column.new(collection, c, i)
  }.tap do |cols|
    if searchables == false
      searchables = []
    else
      searchables = Array(searchables).map { |s|
        searchable_column(s, cols, collection)
      }
    end
    collection.searchable_columns = searchables.compact
  end
end

.hash_string(column_or_columns) ⇒ Object 



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# File 'lib/magic_grid/column.rb', line 34

def self.hash_string(column_or_columns)
  Array(column_or_columns).map(&:label).join.hash.abs.to_s(36)
end

.searchable_column(searchable, columns, collection) ⇒ Object 



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# File 'lib/magic_grid/column.rb', line 19

def self.searchable_column(searchable, columns, collection)
  case searchable
  when Symbol
    columns.find {|col| col.name == searchable} || FilterOnlyColumn.new(searchable, collection)
  when Integer
    columns[searchable]
  when String
    FilterOnlyColumn.new(searchable)
  when true
    nil
  else
    raise "Searchable must be identifiable: #{searchable}"
  end
end

Instance Method Details

#custom_sql ⇒ Object 



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# File 'lib/magic_grid/column.rb', line 46

def custom_sql
  @col[:sql]
end

#html_classes ⇒ Object 



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# File 'lib/magic_grid/column.rb', line 58

def html_classes
  Array(@col[:class]).join ' '
end

#id ⇒ Object 



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# File 'lib/magic_grid/column.rb', line 50

def id
  @col[:id]
end

#label ⇒ Object 



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# File 'lib/magic_grid/column.rb', line 38

def label
  @col[:label]
end

#name ⇒ Object 



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# File 'lib/magic_grid/column.rb', line 54

def name
  @col[:col]
end

#reader ⇒ Object 



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# File 'lib/magic_grid/column.rb', line 62

def reader
  @col[:to_s] || @col[:col]
end

#sortable? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/magic_grid/column.rb', line 42

def sortable?
  not custom_sql.blank?
end