Class: RubyMVC::Views::ActiveRecordModelEditor

Inherits:
View
  • Object
show all
Defined in:
lib/ruby_mvc/views/ar_model_editor.rb

Overview

This class is responsible for building a form for the given ActiveRecord model

Constant Summary collapse

DEFAULTS = 
{ :label_width => 0.3 }.freeze

Instance Attribute Summary

Attributes inherited from View

#controller, #widget

Instance Method Summary collapse

Methods inherited from View

create_widget, #method_missing, #peer, widget, widget_def

Constructor Details

#initialize(model, options = {}, &block) ⇒ ActiveRecordModelEditor

Returns a new instance of ActiveRecordModelEditor.



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# File 'lib/ruby_mvc/views/ar_model_editor.rb', line 35

def initialize(model, options = {}, &block)
  super(options, &block)
  load(model, options, &block)
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class RubyMVC::Views::View

Instance Method Details

#create ⇒ Object 



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# File 'lib/ruby_mvc/views/ar_model_editor.rb', line 74

def create
  if @model
    load(@model.class.new, options)
  else
    alert("No template model.\nUse the #load method instead.")
  end
end

#load(model, options = {}, &block) ⇒ Object

This method is used to load the view with the information in the AR model.



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# File 'lib/ruby_mvc/views/ar_model_editor.rb', line 43

def load(model, options = {}, &block)
  lwidth = options[:label_width] || DEFAULTS[:label_width]

  stack :width => "100%" do
    flow :width => "100%" do
      model.attributes.keys.sort.each do |key|
        # FIXME: I can't believe that you have to do this
        # this way with AR.  I'm surely missing
        # something...
        m = "#{key}=".to_sym
        value = model.attributes[key]
        flow :width => lwidth, :margin_top => 2 do
          para key, :weight => 'bold', :align => "right"
        end
        flow :width => 1 - lwidth do
          edit_line model.attributes[key] do |e|
            model.send(m, e.text)
          end
        end
      end
    end
  end

  @model = model
  @options = options
end

#save ⇒ Object 



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# File 'lib/ruby_mvc/views/ar_model_editor.rb', line 70

def save
  @model.save!
end