Class: FormBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/yodel/models/pages/form_builder.rb

Constant Summary collapse

MONTHS = 
[
  [1, "January"],
  [2, "February"],
  [3, "March"],
  [4, "April"],
  [5, "May"],
  [6, "June"],
  [7, "July"],
  [8, "August"],
  [9, "September"],
  [10, "October"],
  [11, "November"],
  [12, "December"]
]

Instance Method Summary collapse

Constructor Details

#initialize(record, action, options = {}, &block) ⇒ FormBuilder

Returns a new instance of FormBuilder.



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# File 'lib/yodel/models/pages/form_builder.rb', line 18

def initialize(record, action, options={}, &block)
  @record = record
  @options = options
  @block = block
  @action = action
  
  @remote = options.delete(:remote)
  @method = options.delete(:method) || 'post'
  @params = options.delete(:params) || {}
  @embedded_record = options.delete(:embedded_record)
  @blank_record = options.delete(:blank_record)
  @prefix = options.delete(:prefix)
  @id = @params.delete(:id) || options.delete(:id) || "form_for_#{record.id}"
  
  # js functions
  @success_function = options.delete(:success)
  @errors_function  = options.delete(:errors)
  @failure_function = options.delete(:failure)
end

Instance Method Details

#blank_record? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/yodel/models/pages/form_builder.rb', line 266

def blank_record?
  @blank_record
end

#errors(&block) ⇒ Object 



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# File 'lib/yodel/models/pages/form_builder.rb', line 252

def errors(&block)
  @errors_function = Ember::Template.content_from_block(block).join
  ''
end

#failure(&block) ⇒ Object 



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# File 'lib/yodel/models/pages/form_builder.rb', line 257

def failure(&block)
  @failure_function = Ember::Template.content_from_block(block).join
  ''
end

#field(name, options = {}, &block) ⇒ Object 



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# File 'lib/yodel/models/pages/form_builder.rb', line 59

def field(name, options={}, &block)
  invalid = @record.errors.key?(name.to_s)
  field_name = name.to_s
  field = @record.field(field_name)
  input_name = (options.delete(:name) || field_name).to_s
  input_name = "#{@prefix}[][#{input_name}]" if @prefix
  value = options.delete(:value) || @record.get(field_name)
  type = options.delete(:as) || field.default_input_type
  
  case type
  when :text, :password, :hidden
    value = nil if type == :password
    value = value.id if value.is_a?(AbstractRecord)
    value = value.to_s("F") if value.is_a?(BigDecimal)
    element = build_element(:input, {type: type.to_s, value: value.to_s})
    
  when :textarea
    element = build_element(:textarea, {}, value.to_s)
    
  when :html
    element = build_element(:textarea, {class: 'html'}, value.to_s)
    
  when :file, :image
    elements = []
    elements << build_element(:input, {type: 'hidden', name: input_name + '[_action]', value: 'set'})
    if type == :file
      elements << build_element(:p, {}, "File: <span>#{value && value.name || 'none'}</span>")
    else
      if !value.nil? && value.exist?
        src = value.url(:admin_thumb).to_s
        display = 'block'
      else
        src = ''
        display = 'none'
      end
      elements << build_element(:div, {class: 'image_preview'}, [build_element(:img, {src: src, style: "display: #{display}"})])
      elements << build_element(:p, {}, "Image: <span>#{(value && value.name) || 'none'}</span>")
    end
    elements << build_element(:input, {type: 'checkbox', name: input_name + '[_action]', value: 'clear'})
    elements << build_element(:span, {}, "Delete")
    elements << build_element(:input, {type: 'file', value: value.name, name: input_name + '[_value]'})
    element = build_element(:span, {}, elements)
    
  when :radio
    base = {type: 'radio', name: input_name}
    true_button   = build_element(:input, base.merge(condition('checked', value, ['true', true])))
    false_button  = build_element(:input, base.merge(condition('checked', value, ['false', false])))
    true_text     = options.delete(:true) || 'Yes'
    false_text    = options.delete(:false) || 'No'
    element = build_element(:span, {}, [true_text, true_button, false_text, false_button])
    
  when :enum
    element = build_select(value, field.options['options'], show_blank: field.show_blank, blank_text: field.blank_text)
    
  when :store_one
    element = build_select(value, field.record_options(@record), show_blank: field.show_blank, blank_text: field.blank_text, group_by: field.group_by, name_field: 'name', value_field: 'id')
    
  when :store_many
    element = build_select(value.collect(&:id), field.record_options(@record), show_blank: false, name_field: 'name', value_field: 'id', multiple: true)
    input_name += '[]'
    
  when :date, :datetime
    # day
    day_select = build_select(value.try(:day).to_s, (1..31), show_blank: true, blank_text: '', name_field: 'to_s', value_field: 'to_s')
    day_select.set_attribute(:name, input_name + '[day]')
    day_select.set_attribute(:id, input_name + '_day_')
    
    # month
    month_select = build_select(value.try(:month).to_s, MONTHS, show_blank: true, blank_text: '', name_field: 'last', value_field: 'first')
    month_select.set_attribute(:name, input_name + '[month]')
    month_select.set_attribute(:id, input_name + '_month_')
    
    # year
    year_select = build_select(value.try(:year).to_s, ((Time.now.year - 100)..(Time.now.year + 10)), show_blank: true, blank_text: '', name_field: 'to_s', value_field: 'to_s')
    year_select.set_attribute(:name, input_name + '[year]')
    year_select.set_attribute(:id, input_name + '_year_')
    
    elements = [day_select, month_select, year_select]
    if type == :datetime
      # hour
      hour_select = build_select(value.try(:hour).to_s, (0..23), show_blank: true, blank_text: '', name_field: 'to_s', value_field: 'to_s')
      hour_select.set_attribute(:name, input_name + '[hour]')
      hour_select.set_attribute(:id, input_name + '_hour_')
      
      # minute
      min_select = build_select(value.try(:min).to_s, (0..59), show_blank: true, blank_text: '', name_field: 'to_s', value_field: 'to_s')
      min_select.set_attribute(:name, input_name + '[min]')
      min_select.set_attribute(:id, input_name + '_min_')
      
      elements += [hour_select, min_select]
    end
    
    element = build_element(:span, {}, elements)
    
  when :embedded
    elements = []
    
    if value.respond_to?(:each)
      value.each do |document|
        elements << self.class.new(document, @action, {embedded_record: field, prefix: name, id: @id}, &block).render
      end
    else
      elements << self.class.new(value, @action, {embedded_record: field, prefix: name, id: @id}, &block).render
    end

    if options.delete(:blank_record)
      elements << self.class.new(value.new, @action, {embedded_record: field, blank_record: true, prefix: name, id: @id}, &block).render
    end
    
    if block_given?
      buffer = Ember::Template.buffer_from_block(@block)
      buffer << build_element(:input, {'type' => 'hidden', 'data-field' => input_name}).to_s
    else
      elements << build_element(:input, {'type' => 'hidden', 'data-field' => input_name})
      element = build_element(:span, {}, elements)
    end
  end
  
  element.tap do |element|
    class_name = invalid ? 'invalid' : (@record.new? ? 'new' : 'valid')
    class_name += " field-type-#{field.options['type']}"
    element.set_attribute(:id, input_name.gsub(/\W/, '_'))
    element.set_attribute(:name, input_name)
    element.set_attribute(:class, class_name)
    element.set_attribute(:placeholder, field.placeholder || '')
    element.set_attribute('data-field', input_name)
    options.each do |name, value|
      element.set_attribute(name.to_s, value)
    end
  end if element
end

#field_row(name, field = nil) ⇒ Object 



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# File 'lib/yodel/models/pages/form_builder.rb', line 44

def field_row(name, field=nil)
  field = @record.fields[name.to_s] if field.nil?
  html = "<div class='contains-field-type-#{field.options['type']}'>"
  html << label(name).to_s << "<div>"
  
  if field.default_input_type == :embedded
    html << field(name, blank_record: true).to_s
  else
    html << field(name).to_s
  end
  
  html << status(name).to_s << "</div></div>"
end

#form_for_section(section) ⇒ Object 



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# File 'lib/yodel/models/pages/form_builder.rb', line 38

def form_for_section(section)
  section.displayed_fields.collect do |field|
    field_row(field.name, field)
  end.join('')
end

#label(name, text = nil, options = {}) ⇒ Object 



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# File 'lib/yodel/models/pages/form_builder.rb', line 199

def label(name, text=nil, options={})
  text ||= name.to_s.humanize
  build_element(:label, {:for => name.to_s}, text)
end

#prefix ⇒ Object 



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# File 'lib/yodel/models/pages/form_builder.rb', line 195

def prefix
  @prefix
end

#progress(&block) ⇒ Object 



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# File 'lib/yodel/models/pages/form_builder.rb', line 238

def progress(&block)
  Ember::Template.wrap_content_block(block) do |content|
    Hpricot::Elem.new('span', {
      :class => 'yodel-form-activity',
      :style => 'visibility: hidden'
    }, [Hpricot::Text.new(content.join)])
  end
end

#record ⇒ Object 



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# File 'lib/yodel/models/pages/form_builder.rb', line 191

def record
  @record
end

#render ⇒ Object 



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# File 'lib/yodel/models/pages/form_builder.rb', line 270

def render
  # render a default form
  if @block.nil?
    if @embedded_record
      form_for_section(@record.field_sections[nil])
    else
      form_element(@record.field_sections[nil])
    end
  
  # render a user supplied form
  else
    if @embedded_record
      buffer = Ember::Template.buffer_from_block(@block)
      buffer << Ember::Template.content_from_block(@block, self)
    else
      Ember::Template.wrap_content_block(@block, self) {|content| form_element(content.join)}
    end
  end
  
end

#status(*params) ⇒ Object 



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# File 'lib/yodel/models/pages/form_builder.rb', line 205

def status(*params)
  if params.last.is_a?(Hash)
    handles = params[0...-1]
    options = params.last
  else
    handles = params
    options = {}
  end
  
  handles       = handles.collect(&:to_s)
  name          = options.delete(:as) || handles.first
  new_text      = options.delete(:new).to_s
  valid_text    = options.delete(:valid).to_s
  invalid_text  = options.delete(:invalid).to_s
  
  if @record.errors.empty?
    state = 'new'
    message = new_text
  elsif handles.any? {|name| @record.errors.key?(name)}
    state = 'invalid'
    unless invalid_text.blank?
      message = invalid_text
    else
      message = handles.collect {|name| @record.errors.summarise[name]}.compact.join(', ')
    end
  else
    state = 'valid'
    message = valid_text
  end
  
  render_status(name, handles.join(' '), message, state, new_text, valid_text, invalid_text)
end

#statuses(&block) ⇒ Object 



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# File 'lib/yodel/models/pages/form_builder.rb', line 262

def statuses(&block)
  @status_template = block
end

#success(&block) ⇒ Object 



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# File 'lib/yodel/models/pages/form_builder.rb', line 247

def success(&block)
  @success_function = Ember::Template.content_from_block(block).join
  ''
end