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refactoring

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This commit is contained in:
albert
2011-06-12 16:41:23 -04:00
parent 033f0fc266
commit d6e4283cc7
41 changed files with 197 additions and 429 deletions
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78
app/presenters/paginators/base.rb
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@@ -1,78 +0,0 @@
module Paginators
class Base < Presenter
def sequential_pagination_html(template)
html = "<menu>"
prev_url = template.request.env["HTTP_REFERER"]
next_url = sequential_link(template)
html << %{<li><a href="#{prev_url}">&laquo; Previous</a></li>}
if post_set.posts.any?
html << %{<li><a href="#{next_url}">Next &raquo;</a></li>}
end
html << "</menu>"
html.html_safe
end
def numbered_pagination_html(template)
html = "<menu>"
window = 3
if total_pages <= (window * 2) + 5
1.upto(total_pages) do |page|
html << numbered_pagination_item(template, page, current_page)
end
elsif current_page <= window + 2
1.upto(current_page + window) do |page|
html << numbered_pagination_item(template, page, current_page)
end
html << numbered_pagination_item(template, "...", current_page)
html << numbered_pagination_item(template, total_pages, current_page)
elsif current_page >= total_pages - (window + 1)
html << numbered_pagination_item(template, 1, current_page)
html << numbered_pagination_item(template, "...", current_page)
(current_page - window).upto(total_pages) do |page|
html << numbered_pagination_item(template, page, current_page)
end
else
html << numbered_pagination_item(template, 1, current_page)
html << numbered_pagination_item(template, "...", current_page)
(current_page - window).upto(current_page + window) do |page|
html << numbered_pagination_item(template, page, current_page)
end
html << numbered_pagination_item(template, "...", current_page)
html << numbered_pagination_item(template, total_pages, current_page)
end
html << "</menu>"
html.html_safe
end
protected
def numbered_pagination_item(template, page, current_page)
html = "<li>"
if page == "..."
html << "..."
elsif page == current_page
html << page.to_s
else
html << paginated_link(template, page)
end
html << "</li>"
html.html_safe
end
def total_pages
raise NotImplementedError
end
def current_page
raise NotImplementedError
end
def sequential_link(template)
raise NotImplementedError
end
def paginated_link(template, page)
raise NotImplementedError
end
end
end

22
app/presenters/paginators/forum_post.rb
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@@ -1,22 +0,0 @@
module Paginators
class ForumPost < Base
attr_accessor :forum_posts
def initialize(forum_posts)
@forum_posts = forum_posts
end
protected
def total_pages
forum_posts.total_entries
end
def current_page
forum_posts.current_page
end
def paginated_link(template, page)
template.link_to(page, template.forum_posts_path(:search => template.params[:search], :page => page))
end
end
end

23
app/presenters/paginators/forum_topic.rb
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@@ -1,23 +0,0 @@
module Paginators
class ForumTopic < Base
attr_accessor :forum_topic, :forum_posts
def initialize(forum_topic, forum_posts)
@forum_topic = forum_topic
@forum_posts = forum_posts
end
protected
def total_pages
forum_posts.total_pages
end
def current_page
forum_posts.current_page
end
def paginated_link(template, page)
template.link_to(page, template.forum_topic_path(forum_topic, :page => page))
end
end
end

58
app/presenters/paginators/numbered.rb
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@@ -1,58 +0,0 @@
module Paginators
class Numbered
attr_reader :template, :source
delegate :url, :total_pages, :current_page, :to => :source
def initialize(template, source)
@template = template
@source = source
end
def pagination_html
html = "<menu>"
window = 3
if total_pages <= (window * 2) + 5
1.upto(total_pages) do |page|
html << pagination_item(page, current_page)
end
elsif current_page <= window + 2
1.upto(current_page + window) do |page|
html << pagination_item(page, current_page)
end
html << pagination_item("...", current_page)
html << pagination_item(total_pages, current_page)
elsif current_page >= total_pages - (window + 1)
html << pagination_item(1, current_page)
html << pagination_item("...", current_page)
(current_page - window).upto(total_pages) do |page|
html << pagination_item(page, current_page)
end
else
html << pagination_item(1, current_page)
html << pagination_item("...", current_page)
(current_page - window).upto(current_page + window) do |page|
html << pagination_item(page, current_page)
end
html << pagination_item("...", current_page)
html << pagination_item(total_pages, current_page)
end
html << "</menu>"
html.html_safe
end
protected
def pagination_item(page, current_page)
html = "<li>"
if page == "..."
html << "..."
elsif page == current_page
html << page.to_s
else
html << template.link_to(page, url(template, :page => page))
end
html << "</li>"
html.html_safe
end
end
end

22
app/presenters/paginators/pool.rb
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@@ -1,22 +0,0 @@
module Paginators
class Pool < Base
attr_accessor :post_set
def initialize(post_set)
@post_set = post_set
end
protected
def total_pages
(post_set.count.to_f / post_set.limit.to_f).ceil
end
def current_page
[1, post_set.page].max
end
def paginated_link(template, page)
template.link_to(page, template.pool_path(post_set.pool, :page => page))
end
end
end

27
app/presenters/paginators/post.rb
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@@ -1,27 +0,0 @@
module Paginators
class Post < Base
attr_accessor :post_set
def initialize(post_set)
@post_set = post_set
end
protected
def total_pages
(post_set.count.to_f / post_set.limit.to_f).ceil
end
def current_page
[1, post_set.page].max
end
# TODO: this is not compatible with paginating favorites
def sequential_link(template)
template.posts_path(:tags => template.params[:tags], before_id => post_set.posts[-1].id, :page => nil)
end
def paginated_link(template, page)
template.link_to(page, template.posts_path(:tags => template.params[:tags], :page => page))
end
end
end

18
app/presenters/paginators/post_version.rb
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@@ -1,18 +0,0 @@
module Paginators
class PostVersion < Base
attr_accessor :post_set
def initialize(post_set)
@post_set = post_set
end
def numbered_pagination_html(template)
raise NotImplementedError
end
protected
def sequential_link(template)
template.post_versions_path(:before_time => post_set.posts[-1].last_commented_at, :page => nil)
end
end
end

29
app/presenters/paginators/sequential.rb
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@@ -1,29 +0,0 @@
module Paginators
class Sequential
attr_reader :template, :source
delegate :url, :to => :source
def initialize(template, source)
@template = template
@source = source
end
def pagination_html
html = "<menu>"
html << '<li>' + template.link_to("&laquo; Previous", prev_url) + '</li>'
if next_url
html << '<li>' + template.link_to("Next &raquo;", next_url) + '</li>'
end
html << "</menu>"
html.html_safe
end
def prev_url
template.request.env["HTTP_REFERER"]
end
def next_url
@next_url ||= url(template)
end
end
end

8
app/presenters/post_set_presenter.rb
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@@ -38,14 +38,6 @@ class PostSetPresenter < Presenter
end
end
def pagination_html(template)
if post_set.use_sequential_paginator?
Paginators::Post.new(post_set).sequential_pagination_html(template)
else
Paginators::Post.new(post_set).numbered_pagination_html(template)
end
end
def post_previews_html
html = ""

11
app/presenters/tag_set_presenter.rb
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@@ -7,7 +7,6 @@
class TagSetPresenter < Presenter
def initialize(tags)
@tags = tags
fetch_categories
end
def tag_list_html(template, options = {})
@@ -21,17 +20,13 @@ class TagSetPresenter < Presenter
end
private
def fetch_categories
@category_cache ||= Tag.categories_for(@tags)
end
def category_for(tag)
@category_cache[tag]
def categories
@categories ||= Tag.categories_for(@tags)
end
def build_list_item(tag, template, options)
html = ""
html << %{<li data-tag-type="#{category_for(tag)}" data-tag-name="#{u(tag)}">}
html << %{<li data-tag-type="#{categories[tag]}" data-tag-name="#{u(tag)}">}
if CurrentUser.user.is_privileged?
html << %{<a href="/wiki_pages?title=#{u(tag)}">?</a> }