Class: ActionForm::SubformsCollection

Inherits:
Phlex::HTML
  • Object
show all
Extended by:
Forwardable
Includes:
Rendering
Defined in:
lib/action_form/subforms_collection.rb

Overview

Collection of subforms that can be iterated and rendered

Class Attribute Summary collapse

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Rendering

#render_element, #render_elements, #render_form, #render_inline_errors, #render_input, #render_label, #render_many_subforms, #render_new_subform_button, #render_remove_subform_button, #render_subform, #render_submit

Constructor Details

#initialize(name) ⇒ SubformsCollection

Returns a new instance of SubformsCollection.



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# File 'lib/action_form/subforms_collection.rb', line 24

def initialize(name)
  super()
  @name = name
  @subforms = []
  @tags = {}
end

Class Attribute Details

.default ⇒ Object

Returns the value of attribute default.



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# File 'lib/action_form/subforms_collection.rb', line 16

def default
  @default
end

.host_class ⇒ Object

Returns the value of attribute host_class.



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# File 'lib/action_form/subforms_collection.rb', line 16

def host_class
  @host_class
end

.subform_definition ⇒ Object (readonly)

Returns the value of attribute subform_definition.



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# File 'lib/action_form/subforms_collection.rb', line 15

def subform_definition
  @subform_definition
end

Instance Attribute Details

#helpers ⇒ Object

Returns the value of attribute helpers.



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# File 'lib/action_form/subforms_collection.rb', line 12

def helpers
  @helpers
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/action_form/subforms_collection.rb', line 11

def name
  @name
end

#subforms ⇒ Object (readonly)

Returns the value of attribute subforms.



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# File 'lib/action_form/subforms_collection.rb', line 11

def subforms
  @subforms
end

#tags ⇒ Object (readonly)

Returns the value of attribute tags.



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# File 'lib/action_form/subforms_collection.rb', line 11

def tags
  @tags
end

Class Method Details

.subform(subform_class = nil, &block) ⇒ Object 



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# File 'lib/action_form/subforms_collection.rb', line 18

def subform(subform_class = nil, &block)
  @subform_definition = subform_class || Class.new(host_class.subform_class)
  @subform_definition.class_eval(&block) if block
end

Instance Method Details

#add_subform_js ⇒ Object 



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# File 'lib/action_form/subforms_collection.rb', line 45

def add_subform_js
  <<~JS
    function easyFormAddSubform(event) {
      event.preventDefault()
      var template = document.querySelector("##{template_html_id}")
      const content = template.innerHTML.replace(/NEW_RECORD/g, new Date().getTime().toString())
      var beforeElement = event.target.closest(event.target.dataset.insertBeforeSelector)
      if (beforeElement) {
        beforeElement.insertAdjacentHTML("beforebegin", content)
      } else {
        event.target.parentElement.insertAdjacentHTML("beforebegin", content)
      }
    }
  JS
end

#each(&block) ⇒ Object 



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# File 'lib/action_form/subforms_collection.rb', line 31

def each(&block)
  return to_enum(:each) unless block

  @subforms.each(&block)
end

#remove_subform_js ⇒ Object 



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# File 'lib/action_form/subforms_collection.rb', line 61

def remove_subform_js
  <<~JS
    function easyFormRemoveSubform(event) {
      event.preventDefault()
      var subform = event.target.closest(".new_#{name}")
      if (subform) { subform.remove() }
      var subform = event.target.closest(".#{name}_subform")
      if (subform) {
        subform.style.display = "none"
        var input = subform.querySelector("input[name*='_destroy']")
        if (input) { input.value = "1" }
      }
    }
  JS
end

#render? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/action_form/subforms_collection.rb', line 37

def render?
  true
end

#render_subform_template(subform) ⇒ Object 



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# File 'lib/action_form/subforms_collection.rb', line 90

def render_subform_template(subform)
  template(id: template_html_id) do
    div(class: "new_#{name}") { render_subform(subform) }
  end
end

#template_html_id ⇒ Object 



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# File 'lib/action_form/subforms_collection.rb', line 41

def template_html_id
  "#{name}_template"
end

#view_template ⇒ Object

rubocop:disable Metrics/AbcSize



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# File 'lib/action_form/subforms_collection.rb', line 77

def view_template # rubocop:disable Metrics/AbcSize
  script(type: "text/javascript") { raw safe(remove_subform_js) }
  script(type: "text/javascript") { raw safe(add_subform_js) }
  subforms.each do |subform|
    subform.helpers = helpers
    if subform.tags[:template]
      render_subform_template(subform)
    else
      div(id: subform.html_id, class: subform.html_class) { render_subform(subform) }
    end
  end
end