Class: BulmaPhlex::Pagination

Inherits:
Base
  • Object
show all
Defined in:
lib/bulma_phlex/pagination.rb

Overview

Renders the [Bulma pagination](bulma.io/documentation/components/pagination/) component.

Accepts a pager object and a path builder callable. Automatically renders previous/next links, numbered page links with ellipses for skipped ranges, and a summary of items being displayed. Only renders when there is more than one page of results.

## Example

# In a controller action:
@products = Product.page(params[:page]).per(20)

# In the view:
render BulmaPhlex::Pagination.new(@products, ->(page) { products_path(page: page) })

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(pager, path_builder, **html_attributes) ⇒ Pagination

Returns a new instance of Pagination.



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# File 'lib/bulma_phlex/pagination.rb', line 31

def initialize(pager, path_builder, **html_attributes)
  @pager = pager
  @path_builder = path_builder
  @html_attributes = html_attributes
end

Instance Attribute Details

#pager ⇒ Object (readonly)

Returns the value of attribute pager.



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# File 'lib/bulma_phlex/pagination.rb', line 19

def pager
  @pager
end

#path_builder ⇒ Object (readonly)

Returns the value of attribute path_builder.



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# File 'lib/bulma_phlex/pagination.rb', line 19

def path_builder
  @path_builder
end

Class Method Details

.new(pager, path_builder, **html_attributes) ⇒ Object

Parameters

  • ‘pager` — A page object responding to `current_page`, `total_pages`, `per_page`, `total_count`, `previous_page`, and `next_page`

  • ‘path_builder` — A callable that takes a page number and returns a URL string

  • ‘**html_attributes` — Additional HTML attributes for the pagination container



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# File 'lib/bulma_phlex/pagination.rb', line 27

def self.new(pager, path_builder, **html_attributes)
  super
end

Instance Method Details

#view_template ⇒ Object 



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# File 'lib/bulma_phlex/pagination.rb', line 37

def view_template
  return unless pager.total_pages > 1

  div(**mix({ class: "pagination-container" }, @html_attributes)) do
    nav(class: "pagination", role: "navigation", aria_label: "pagination") do
      # Previous page link
      if pager.previous_page
        a(class: "pagination-previous", href: page_url(pager.previous_page)) { "Previous" }
      else
        a(class: "pagination-previous", disabled: true) { "Previous" }
      end

      # Next page link
      if pager.next_page
        a(class: "pagination-next", href: page_url(pager.next_page)) { "Next" }
      else
        a(class: "pagination-next", disabled: true) { "Next" }
      end

      # Page number links
      ul(class: "pagination-list") do
        # First page and ellipsis if needed
        if pager.current_page > 3
          render_page_item(1)
          render_ellipsis if pager.current_page > 4
        end

        # Pages around current page
        page_window.each do |page_number|
          render_page_item(page_number)
        end

        # Ellipsis and last page if needed
        if pager.current_page < pager.total_pages - 2
          render_ellipsis if pager.current_page < pager.total_pages - 3
          render_page_item(pager.total_pages)
        end
      end
    end

    div(class: "has-text-centered mt-2 is-size-7") do
      start_item = ((pager.current_page - 1) * pager.per_page) + 1
      end_item = [start_item + pager.per_page - 1, pager.total_count].min

      plain "Showing #{start_item}-#{end_item} of #{pager.total_count} items"
    end
  end
end