Class: Carnival::Paginator
- Inherits:
-
Object
- Object
- Carnival::Paginator
- Defined in:
- app/view_objects/carnival/paginator.rb
Instance Method Summary collapse
- #fast_pages_links_html ⇒ Object
- #fast_pages_links_indexes ⇒ Object
- #get_css_class(page) ⇒ Object
- #get_js_function(page) ⇒ Object
-
#initialize(current_page, last_page, max_fast_pages = 5) ⇒ Paginator
constructor
A new instance of Paginator.
- #next_page ⇒ Object
- #pages ⇒ Object
- #previous_page ⇒ Object
Constructor Details
#initialize(current_page, last_page, max_fast_pages = 5) ⇒ Paginator
Returns a new instance of Paginator.
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# File 'app/view_objects/carnival/paginator.rb', line 4 def initialize(current_page, last_page, max_fast_pages = 5) @current_page = current_page @last_page = last_page >= 1 ? last_page : 1 @max_fast_pages = max_fast_pages end |
Instance Method Details
#fast_pages_links_html ⇒ Object
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# File 'app/view_objects/carnival/paginator.rb', line 22 def fast_pages_links_html fast_pages_links_indexes.map do |page| {:label => page, :css_class => get_css_class(page), :js_function => get_js_function(page)} end end |
#fast_pages_links_indexes ⇒ Object
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# File 'app/view_objects/carnival/paginator.rb', line 10 def fast_pages_links_indexes fast_page_links = [] first_index = -(@max_fast_pages/2) while fast_page_links.size < @max_fast_pages do fast_page = @current_page + first_index break if fast_page > @last_page fast_page_links << fast_page if fast_page > 0 first_index = first_index + 1 end fast_page_links end |
#get_css_class(page) ⇒ Object
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# File 'app/view_objects/carnival/paginator.rb', line 32 def get_css_class page if page == @current_page 'carnival-selected-page-button' else 'carnival-page-button' end end |
#get_js_function(page) ⇒ Object
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# File 'app/view_objects/carnival/paginator.rb', line 28 def get_js_function page "javascript:Carnival.goToPage(#{page})" end |
#next_page ⇒ Object
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# File 'app/view_objects/carnival/paginator.rb', line 48 def next_page if @current_page + 1 > @last_page @current_page else @current_page + 1 end end |
#pages ⇒ Object
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# File 'app/view_objects/carnival/paginator.rb', line 56 def pages htmls = [] htmls << {:label => ('paginate_first'), :js_function => get_js_function(1)} htmls << {:label => ('paginate_previous'), :js_function => get_js_function(previous_page)} htmls = htmls + fast_pages_links_html htmls << {:label => ('paginate_next'), :js_function => get_js_function(next_page)} htmls << {:label => ('paginate_last'), :js_function => get_js_function(@last_page)} end |
#previous_page ⇒ Object
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# File 'app/view_objects/carnival/paginator.rb', line 40 def previous_page if @current_page - 1 < 1 @current_page else @current_page - 1 end end |