78 lines
2.6 KiB
Ruby
78 lines
2.6 KiB
Ruby
module PaginationHelper
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def sequential_paginator(records)
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html = "<menu>"
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if records.any?
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if params[:page] =~ /[ab]/
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html << '<li>' + link_to("< Previous", params.merge(:page => "a#{records[0].id}")) + '</li>'
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end
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html << '<li>' + link_to("Next >", params.merge(:page => "b#{records[-1].id}")) + '</li>'
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end
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html << "</menu>"
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html.html_safe
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end
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def use_sequential_paginator?(records)
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params[:page] =~ /[ab]/ || records.current_page > Danbooru.config.max_numbered_pages
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end
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def numbered_paginator(records, &block)
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if use_sequential_paginator?(records)
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return sequential_paginator(records)
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end
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html = "<menu>"
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window = 3
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if records.total_pages <= (window * 2) + 5
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1.upto(records.total_pages) do |page|
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html << numbered_paginator_item(page, records.current_page, &block)
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end
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elsif records.current_page <= window + 2
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1.upto(records.current_page + window) do |page|
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html << numbered_paginator_item(page, records.current_page, &block)
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end
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html << numbered_paginator_item("...", records.current_page, &block)
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html << numbered_paginator_final_item(records.total_pages, records.current_page, &block)
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elsif records.current_page >= records.total_pages - (window + 1)
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html << numbered_paginator_item(1, records.current_page, &block)
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html << numbered_paginator_item("...", records.current_page, &block)
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(records.current_page - window).upto(records.total_pages) do |page|
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html << numbered_paginator_item(page, records.current_page, &block)
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end
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else
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html << numbered_paginator_item(1, records.current_page, &block)
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html << numbered_paginator_item("...", records.current_page, &block)
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(records.current_page - window).upto(records.current_page + window) do |page|
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html << numbered_paginator_item(page, records.current_page, &block)
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end
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html << numbered_paginator_item("...", records.current_page, &block)
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html << numbered_paginator_final_item(records.total_pages, records.current_page, &block)
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end
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html << "</menu>"
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html.html_safe
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end
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def numbered_paginator_final_item(total_pages, current_page, &block)
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if total_pages <= Danbooru.config.max_numbered_pages
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numbered_paginator_item(total_pages, current_page, &block)
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else
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""
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end
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end
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def numbered_paginator_item(page, current_page, &block)
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html = "<li>"
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if page == "..."
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html << "..."
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elsif page == current_page
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html << '<span>' + page.to_s + '</span>'
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else
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html << capture(page, &block)
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end
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html << "</li>"
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html.html_safe
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end
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end
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