Module: ActiveScaffold::Bridges::Paperclip::Lib::FileColumnHelpers
- Defined in:
- lib/active_scaffold/bridges/file_column/lib/file_column_helpers.rb
Class Method Summary collapse
- .file_column_fields(klass) ⇒ Object
- .generate_delete_helpers(klass) ⇒ Object
- .klass_has_file_column_fields?(klass) ⇒ Boolean
Instance Method Summary collapse
- #field_has_image_version?(field, version = "thumb") ⇒ Boolean
- #file_column_fields ⇒ Object
- #generate_delete_helpers ⇒ Object
- #options_for_file_column_field(field) ⇒ Object
Class Method Details
.file_column_fields(klass) ⇒ Object
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# File 'lib/active_scaffold/bridges/file_column/lib/file_column_helpers.rb', line 7 def file_column_fields(klass) klass.instance_methods.grep(/_just_uploaded\?$/).collect{|m| m[0..-16].to_sym } end |
.generate_delete_helpers(klass) ⇒ Object
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# File 'lib/active_scaffold/bridges/file_column/lib/file_column_helpers.rb', line 11 def generate_delete_helpers(klass) file_column_fields(klass).each { |field| klass.send :class_eval, <<-EOF, __FILE__, __LINE__ + 1 unless klass.methods.include?("#{field}_with_delete=") attr_reader :delete_#{field} def delete_#{field}=(value) value = (value=="true") if String===value return unless value # passing nil to the file column causes the file to be deleted. Don't delete if we just uploaded a file! self.#{field} = nil unless self.#{field}_just_uploaded? end EOF } end |
.klass_has_file_column_fields?(klass) ⇒ Boolean
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# File 'lib/active_scaffold/bridges/file_column/lib/file_column_helpers.rb', line 27 def klass_has_file_column_fields?(klass) true unless file_column_fields(klass).empty? end |
Instance Method Details
#field_has_image_version?(field, version = "thumb") ⇒ Boolean
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# File 'lib/active_scaffold/bridges/file_column/lib/file_column_helpers.rb', line 40 def field_has_image_version?(field, version="thumb") begin # the only way to get to the options of a particular field is to use the instance method = (field) versions = [:magick][:versions] raise unless versions.stringify_keys[version] true rescue false end end |
#file_column_fields ⇒ Object
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# File 'lib/active_scaffold/bridges/file_column/lib/file_column_helpers.rb', line 32 def file_column_fields @file_column_fields||=FileColumnHelpers.file_column_fields(self) end |
#generate_delete_helpers ⇒ Object
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# File 'lib/active_scaffold/bridges/file_column/lib/file_column_helpers.rb', line 52 def generate_delete_helpers FileColumnHelpers.generate_delete_helpers(self) end |
#options_for_file_column_field(field) ⇒ Object
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# File 'lib/active_scaffold/bridges/file_column/lib/file_column_helpers.rb', line 36 def (field) self.allocate.send("#{field}_options") end |