SoundSoftware Code Site

# -*- coding: utf-8 -*-

require 'bibtex'

module PublicationsHelper

  include AuthorshipsHelper

  def link_to_publication(publication, options={}, html_options = nil)

    url = {:controller => 'publications', :action => 'show', :id => publication}.merge(options)

    link_to(h(publication.title), url, html_options)

  end

  def projects_check_box_tags(name, projects)

    s = ''

    projects.sort.each do |project|

      if User.current.allowed_to?(:edit_publication, project)

        s << "<label>#{ check_box_tag name, project.id, false } #{link_to_project project}</label>\n"

        s << '<br />'

      end

    end

    s

  end

  def choose_author_link(object_name, items)

    # called by autocomplete_for_author (publications' action/view)

    # creates the select list based on the results array

    # results is an array with both Users and Authorships objects

    @author_options = []

    @results.each do |result|

      email_bit = result.mail.partition('@')[2]

      if email_bit != "":

          email_bit = "(@#{email_bit})"

      end

      @author_options << ["#{result.name} #{email_bit}", "#{result.class.to_s}_#{result.id.to_s}"]

    end

   if @results.size > 0

     s = select_tag( form_tag_name(object_name, :author_search_results), options_for_select(@author_options), { :id => form_tag_id(object_name, :author_search_results), :size => 3} )

     s << observe_field( form_tag_id(object_name, :author_search_results), :on => 'click', :function => "alert('Element changed')", :with => 'q')

   else

     s = "<em>No Authors found that match your search… sorry!</em>"

   end

  end

  def link_to_remove_fields(name, f)

    f.hidden_field(:_destroy) + link_to_function(name, "remove_fields(this)", :class => 'icon icon-del')

  end

  def link_to_add_author_fields(name, f, association, action)

    new_object = f.object.class.reflect_on_association(association).klass.new

    fields = f.fields_for(association, new_object, :child_index => "new_#{association}") do |builder|

      render(association.to_s.singularize + "_fields", :f => builder)

    end

    link_to_function(name, h("add_author_fields(this, '#{association}', '#{escape_javascript(fields)}', '#{action}')"), { :class => 'icon icon-add', :id => "add_another_author" })

  end

  def sanitized_object_name(object_name)

    object_name.gsub(/\]\[|[^-a-zA-Z0-9:.]/,"_").sub(/_$/,"")

  end

  def sanitized_method_name(method_name)

    method_name.sub(/\?$/, "")

  end

  def form_tag_name(object_name, method_name)

      str = "#{object_name.to_s}[#{sanitized_method_name(method_name.to_s)}]"

      str.to_sym

  end

  def form_tag_id(object_name, method_name)

    str = "#{sanitized_object_name(object_name.to_s)}_#{sanitized_method_name(method_name.to_s)}"

    str.to_sym

  end

  def form_object_id(object_name)

    str = object_name.split("\[").last().gsub("\]","")

    str.to_sym

  end

  def render_authorships_list(publication)

    s = '<p>'

    publication.authorships.each do |authorship|

      s << link_to_authorship(authorship)

      s << "<br /><em>#{authorship.institution}</em></p>"

    end

    s

  end

  def render_projects_list(publication, show_delete_icon)

    s= ""

    publication.projects.visible.each do |proj|

      s << link_to_project(proj, {}, :class => 'publication_project')

      if show_delete_icon

        if User.current.allowed_to?(:edit_publication, @project)

          if @project == proj

            # todo: move this message to yml file

            confirm_msg = 'Are you sure you want to remove the current project from this publication\'s projects list?'

          else

            confirm_msg = false

          end

          s << link_to_remote(l(:button_delete), { :url => { :controller => 'publications', :action => 'remove_project', :id => publication, :remove_project_id => proj,  :project_id => @project }, :method => :post, :confirm => confirm_msg }, :class => 'icon icon-del')

        end

      end

      s << "<br />"

    end

    s

  end

  def print_ieee_format(publication)

    Rails.cache.fetch("publication-#{publication.id}-ieee") do

      publication.print_entry(:ieee)

    end

  end

  def print_bibtex_format(publication)

    Rails.cache.fetch("publication-#{publication.id}-bibtex") do

      publication.print_entry(:bibtex)

    end

  end

  def show_bibtex_fields(bibtex_entry)

    s = ""

    bibtex_entry.attributes.keys.sort.each do |key|

      value = bibtex_entry.attributes[key].to_s

      next if key == 'id' or key == 'publication_id' or value == ""

      s << "<h4>" + l("field_#{key}") + "</h4>"

      s << "<p>"

      if key == "entry_type"

        s << bibtex_entry.entry_type_label

      else

        s << value

      end

      s << "</p>"

    end

    s

  end

end