Class: ARFormWidget

Inherits:
FormWidget show all
Includes:
Cuca::FormElements, Cuca::Generator::Markaby
Defined in:
lib/cuca/stdlib/arform.rb

Instance Method Summary collapse

Methods included from Cuca::Generator::Markaby

#mab, #mabtext

Methods inherited from FormWidget

#before_validate, #get_default_variable, #get_form_variables, posted?, #posted?, run, #setup, #v

Methods inherited from Cuca::Widget

#app, #cgi, #clear, clear_hints, #content, #content=, #controller, define_attr_method, #escape, #escapeHTML, #get_assigns, #hints, #initialize, #log, #params, #query_parameters, #request_method, #request_parameters, run_attr_method, #session, #to_s, #unescape, #unescapeHTML

Constructor Details

This class inherits a constructor from Cuca::Widget

Instance Method Details

#fe(type, name) ⇒ Object 



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# File 'lib/cuca/stdlib/arform.rb', line 123

def fe(type, name)
  return '' if field_hidden?(name)
  attribs = {}
  attribs[:disabled] = '' unless field_enable?(name)
  r = ""
  case(type)
      when :string
         r << fe_text(name, attribs)
      when :boolean
         r << fe_bool(name, attribs)
      when :integer
        r << fe_int(name, attribs)
      when :datetime
        r << fe_datetime(name, attribs)
      when :date
        r << fe_date(name, attribs)
      when :password
        r << fe_password(name, attribs)
    end
  return r
end

#fe_for(column_name) ⇒ Object

build a form element for column name



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# File 'lib/cuca/stdlib/arform.rb', line 146

def fe_for(column_name)
  col = @model.column_for_attribute(column_name)
  fe(col.type, col.name)
end

#field_enable?(fname) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cuca/stdlib/arform.rb', line 105

def field_enable?(fname)
  if @model.new_record? then
     return @disabled_on_create.include?(fname) ? false : true
  else
     return @disabled_on_update.include?(fname) ? false : true
  end
end

#field_hidden?(fname) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cuca/stdlib/arform.rb', line 113

def field_hidden?(fname)
  if @model.new_record? then
     return @hidden_on_create.include?(fname) ? true : false
  else
     return @hidden_on_update.include?(fname) ? true : false
  end
end

#form ⇒ Object 



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# File 'lib/cuca/stdlib/arform.rb', line 153

def form
  mab do
     FormErrors(@form_errors)
     fe_formstart
     table do
        @model.class.columns.each do |col|
           next if field_hidden?(col.name)
           tr { td { col.name }; td { fe(col.type, col.name) } }
        end
        tr { td {} ; td { fe_submit }}
     end
     fe_formend
  end
end

#on_submit ⇒ Object

On submit will pass the model to the callback on the controller



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# File 'lib/cuca/stdlib/arform.rb', line 56

def on_submit
 controller.send(@form_name+'_submit', @model) unless controller.nil?
 clear
end

#output(form_name, model, options = {}) ⇒ Object

valid options

  • :disabled_on_create => [‘field_name_1’, ‘field_name_2’, ..]

    switch off fields on new records

  • :diabled_on_update => [‘field_name_1’, ‘field_name_2’, ..]

    switch off fields on existing records

  • :save_attribs => [‘attr1’, ‘attr2’]

    allow to call a setter even if it's not a db column

  • .. options from FormWidgets …



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# File 'lib/cuca/stdlib/arform.rb', line 34

def output(form_name, model, options = {})
  @model = model
  @disabled_on_update = options[:disabled_on_update] || []
  @disabled_on_create = options[:disabled_on_create] || []
  @hidden_on_update     = options[:hidden_on_update] || []
  @hidden_on_create     = options[:hidden_on_create] || []
  @save_attribs         = options[:save_attribs]     || []


  setup if self.respond_to?(:setup)		# you might want to use a method for setup


  options[:default_values] = model.attributes.merge(options[:default_values] || {})
  @save_attribs.each do |sa|
     options[:default_values][sa] = model.send(sa.intern) if model.respond_to?(sa.intern)
  end

  super(form_name, options)
end

#validate(variables) ⇒ Object

Validate will check on ActiveRecord validation errors



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# File 'lib/cuca/stdlib/arform.rb', line 66

def validate(variables)
  form	if @_content.empty? # password fields might write hints to the validator...
  clear
  @form_errors = {}
  p = variables
  p.delete(@submit_name)
  
  if @model.new_record? then 
     @disabled_on_create.each { |d| p.delete(d) }
     @hidden_on_create.each { |d| p.delete(d) }
  else 
     @disabled_on_update.each { |d| p.delete(d) }
     @hidden_on_update.each { |d| p.delete(d) }
  end

  # don't save empty passwords!!
  @password_fields ||= []
  @password_fields.each do |pwf|
     p.delete(pwf) if p[pwf].chomp.empty?
  end

  # remove possible additional data that model doesn't support to
#   p.delete_if { |k,v| [email protected]_to?("#{k}=") }

  column_names = @model.class.columns.map { |c| c.name }
  p.each do |k,v|
    @model.send("#{k}=".intern, v) if (column_names.include?(k) && @model.respond_to?("#{k}=")) || @save_attribs.include?(k)
  end
  # @model.attributes = p
  
  return true if @model.valid?

  @model.errors.each do |k,v|
     @form_errors[k] = v
  end
end