forked from diaspora/diaspora
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application_helper.rb
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/
application_helper.rb
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# Copyright (c) 2010, Diaspora Inc. This file is
# licensed under the Affero General Public License version 3 or later. See
# the COPYRIGHT file.
module ApplicationHelper
@@youtube_title_cache = Hash.new("no-title")
def timeago(time, options = {})
options[:class] ||= "timeago"
content_tag(:abbr, time.to_s, options.merge(:title => time.iso8601)) if time
end
def page_title text=nil
title = ""
if text.blank?
title = "#{current_user.name}" if current_user
else
title = "#{text}"
end
end
def aspects_with_post aspects, post
aspects.select do |aspect|
aspect.post_visibilities.detect{|pv| pv.post_id == post.id}
end
end
def aspects_without_post aspects, post
aspects.reject do |aspect|
aspect.post_visibilities.detect{|pv| pv.post_id == post.id}
end
end
def aspect_badges aspects
str = ''
aspects.each do |aspect|
str << aspect_badge(aspect)
end
str.html_safe
end
def aspect_badge aspect
str = "<span class='aspect_badge single'>"
str << link_for_aspect(aspect, 'data-guid' => aspect.id, :class => 'hard_aspect_link').html_safe
str << "</span>"
end
def aspect_links aspects, opts={}
str = ""
aspects.each do |aspect|
str << '<li>'
str << link_for_aspect(aspect, :params => opts, 'data-guid' => aspect.id, :class => 'hard_aspect_link').html_safe
str << '</li>'
end
str.html_safe
end
def aspect_li aspect, opts= {}
param_string = ""
if opts.size > 0
param_string << '?'
opts.each_pair do |k, v|
param_string << "#{k}=#{v}"
end
end
"<li>
<a href='/aspects/#{aspect.id}#{param_string}'>
#{aspect.name}
</a>
</li>".html_safe
end
def current_aspect?(aspect)
!@aspect.nil? && !@aspect.is_a?(Symbol) && @aspect.id == aspect.id
end
def aspect_or_all_path aspect
if @aspect.is_a? Aspect
aspect_path @aspect
else
aspects_path
end
end
def object_path(object, opts = {})
return "" if object.nil?
object = object.person if object.is_a? User
eval("#{object.class.name.underscore}_path(object, opts)")
end
def object_fields(object)
object.attributes.keys
end
def mine?(post)
current_user.owns? post
end
def type_partial(post)
class_name = post.class.name.to_s.underscore
"#{class_name.pluralize}/#{class_name}"
end
def how_long_ago(obj)
timeago(obj.created_at)
end
def person_url(person)
case person.class.to_s
when "User"
user_path(person)
when "Person"
person_path(person)
else
I18n.t('application.helper.unknown_person')
end
end
def profile_photo(person)
person_image_link(person, :size => :thumb_large, :to => :photos)
end
def owner_image_tag(size=nil)
person_image_tag(current_user.person, size)
end
def owner_image_link
person_image_link(current_user.person)
end
def person_image_tag(person, size=:thumb_small)
"<img alt=\"#{h(person.name)}\" class=\"avatar\" #{("data-owner_id="+@user_id.to_s) if @user_id} data-person_id=\"#{person.id}\" src=\"#{person.profile.image_url(size)}\" title=\"#{h(person.name)}\">".html_safe
end
def person_link(person, opts={})
"<a href='/people/#{person.id}' class='#{opts[:class]}'>
#{h(person.name)}
</a>".html_safe
end
def hard_link(string, path)
link_to string, path, :rel => 'external'
end
def person_image_link(person, opts = {})
return "" if person.nil? || person.profile.nil?
if opts[:to] == :photos
link_to person_image_tag(person, opts[:size]), person_photos_path(person)
else
"<a href='/people/#{person.id}'>
#{person_image_tag(person)}
</a>".html_safe
end
end
def post_yield_tag(post)
(':' + post.id.to_s).to_sym
end
def markdownify(message, options = {})
message = h(message).html_safe
if !options.has_key?(:newlines)
options[:newlines] = true
end
message = process_links(message)
message = process_youtube(message, options[:youtube_maps])
message = process_vimeo(message, options[:vimeo_maps])
message = process_autolinks(message)
message = process_emphasis(message)
message.gsub!(/<3/, "♥")
if options[:newlines]
message.gsub!(/\n+/, '<br />')
end
return message
end
def process_links(message)
message.gsub!(/\[([^\[]+)\]\(([^ ]+) \"(([^&]|(&[^q])|(&q[^u])|(&qu[^o])|(&quo[^t])|("[^;]))+)\"\)/) do |m|
escape = "\\"
link = $1
url = $2
title = $3
url.gsub!("_", "\\_")
url.gsub!("*", "\\*")
protocol = (url =~ /^\w+:\/\//) ? '' :'http://'
res = "<a target=\"#{escape}_blank\" href=\"#{protocol}#{url}\" title=\"#{title}\">#{link}</a>"
res
end
message.gsub!(/\[([^\[]+)\]\(([^ ]+)\)/) do |m|
escape = "\\"
link = $1
url = $2
url.gsub!("_", "\\_")
url.gsub!("*", "\\*")
protocol = (url =~ /^\w+:\/\//) ? '' :'http://'
res = "<a target=\"#{escape}_blank\" href=\"#{protocol}#{url}\">#{link}</a>"
res
end
return message
end
def process_youtube(message, youtube_maps)
regex = /( |^)(http:\/\/)?www\.youtube\.com\/watch[^ ]*v=([A-Za-z0-9_\-]+)(&[^ ]*|)/
processed_message = message.gsub(regex) do |matched_string|
match_data = matched_string.match(regex)
video_id = match_data[3]
if youtube_maps && youtube_maps[video_id]
title = h(CGI::unescape(youtube_maps[video_id]))
else
title = I18n.t 'application.helper.video_title.unknown'
end
'<a class="video-link" data-host="youtube.com" data-video-id="' + video_id + '" href="'+ match_data[0].strip + '">Youtube: ' + title + '</a>'
end
return processed_message
end
def process_autolinks(message)
message.gsub!(/( |^)(www\.[^\s]+\.[^\s])/, '\1http://\2')
message.gsub!(/(<a target="\\?_blank" href=")?(https|http|ftp):\/\/([^\s]+)/) do |m|
captures = [$1,$2,$3]
if !captures[0].nil?
m
elsif m.match(/(youtube|vimeo)/)
m.gsub(/(\*|_)/) { |m| "\\#{$1}" } #remove markers on markdown chars to not markdown inside links
else
res = %{<a target="_blank" href="#{captures[1]}://#{captures[2]}">#{captures[2]}</a>}
res.gsub!(/(\*|_)/) { |m| "\\#{$1}" }
res
end
end
return message
end
def process_emphasis(message)
message.gsub!("\\**", "-^doublestar^-")
message.gsub!("\\__", "-^doublescore^-")
message.gsub!("\\*", "-^star^-")
message.gsub!("\\_", "-^score^-")
message.gsub!(/(\*\*\*|___)(.+?)\1/m, '<em><strong>\2</strong></em>')
message.gsub!(/(\*\*|__)(.+?)\1/m, '<strong>\2</strong>')
message.gsub!(/(\*|_)(.+?)\1/m, '<em>\2</em>')
message.gsub!("-^doublestar^-", "**")
message.gsub!("-^doublescore^-", "__")
message.gsub!("-^star^-", "*")
message.gsub!("-^score^-", "_")
return message
end
def process_vimeo(message, vimeo_maps)
regex = /https?:\/\/(?:w{3}\.)?vimeo.com\/(\d{6,})/
processed_message = message.gsub(regex) do |matched_string|
match_data = message.match(regex)
video_id = match_data[1]
if vimeo_maps && vimeo_maps[video_id]
title = h(CGI::unescape(vimeo_maps[video_id]))
else
title = I18n.t 'application.helper.video_title.unknown'
end
'<a class="video-link" data-host="vimeo.com" data-video-id="' + video_id + '" href="' + match_data[0] + '">Vimeo: ' + title + '</a>'
end
return processed_message
end
def info_text(text)
image_tag 'icons/monotone_question.png', :class => 'what_is_this', :title => text
end
def get_javascript_strings_for(language)
defaults = I18n.t('javascripts', :locale => DEFAULT_LANGUAGE)
if language != DEFAULT_LANGUAGE
translations = I18n.t('javascripts', :locale => language)
defaults.update(translations)
end
defaults
end
end