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dropdowns_helper.rb 3.07 KB
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module DropdownsHelper
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  def dropdown_tag(toggle_text, options: {}, &block)
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    content_tag :div, class: "dropdown" do
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      data_attr = { toggle: "dropdown" }
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      if options.has_key?(:data)
        data_attr = options[:data].merge(data_attr)
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      end

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      dropdown_output = dropdown_toggle(toggle_text, data_attr, options)
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      dropdown_output << content_tag(:div, class: "dropdown-menu dropdown-select #{options[:dropdown_class] if options.has_key?(:dropdown_class)}") do
        output = ""
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        if options.has_key?(:title)
          output << dropdown_title(options[:title])
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        end

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        if options.has_key?(:filter)
          output << dropdown_filter(options[:placeholder])
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        end

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        output << content_tag(:div, class: "dropdown-content") do
          capture(&block) if block && !options.has_key?(:footer_content)
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        end

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        if block && options[:footer_content]
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          output << content_tag(:div, class: "dropdown-footer") do
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            capture(&block)
          end
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        end

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        output << dropdown_loading
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        output.html_safe
      end

      dropdown_output.html_safe
    end
  end
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  def dropdown_toggle(toggle_text, data_attr, options = {})
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    default_label = data_attr[:default_label]
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    content_tag(:button, class: "dropdown-menu-toggle #{options[:toggle_class] if options.has_key?(:toggle_class)}", id: (options[:id] if options.has_key?(:id)), type: "button", data: data_attr) do
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      output = content_tag(:span, toggle_text, class: "dropdown-toggle-text #{'is-default' if toggle_text == default_label}")
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      output << icon('chevron-down')
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      output.html_safe
    end
  end

  def dropdown_title(title, back: false)
    content_tag :div, class: "dropdown-title" do
      title_output = ""

      if back
        title_output << content_tag(:button, class: "dropdown-title-button dropdown-menu-back", aria: { label: "Go back" }, type: "button") do
          icon('arrow-left')
        end
      end

      title_output << content_tag(:span, title)

      title_output << content_tag(:button, class: "dropdown-title-button dropdown-menu-close", aria: { label: "Close" }, type: "button") do
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        icon('times', class: 'dropdown-menu-close-icon')
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      end

      title_output.html_safe
    end
  end

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  def dropdown_filter(placeholder, search_id: nil)
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    content_tag :div, class: "dropdown-input" do
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      filter_output = search_field_tag search_id, nil, class: "dropdown-input-field", placeholder: placeholder, autocomplete: 'off'
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      filter_output << icon('search', class: "dropdown-input-search")
      filter_output << icon('times', class: "dropdown-input-clear js-dropdown-input-clear", role: "button")
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      filter_output.html_safe
    end
  end

  def dropdown_content(&block)
    content_tag(:div, class: "dropdown-content") do
      if block
        capture(&block)
      end
    end
  end

  def dropdown_footer(&block)
    content_tag(:div, class: "dropdown-footer") do
      if block
        capture(&block)
      end
    end
  end

  def dropdown_loading
    content_tag :div, class: "dropdown-loading" do
      icon('spinner spin')
    end
  end
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end