Module: SearchHelper

Defined in:
app/helpers/search_helper.rb

Overview

– copyright ChiliProject is a project management system.

Copyright (C) 2010-2013 the ChiliProject Team

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

See doc/COPYRIGHT.rdoc for more details. ++

Instance Method Summary collapse

Instance Method Details

#highlight_tokens(text, tokens) ⇒ Object


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# File 'app/helpers/search_helper.rb', line 16

def highlight_tokens(text, tokens)
  return text unless text && tokens && !tokens.empty?
  re_tokens = tokens.collect {|t| Regexp.escape(t)}
  regexp = Regexp.new "(#{re_tokens.join('|')})", Regexp::IGNORECASE
  result = ''
  text.split(regexp).each_with_index do |words, i|
    if result.length > 1200
      # maximum length of the preview reached
      result << '...'
      break
    end
    words = words.mb_chars
    if i.even?
      result << h(words.length > 100 ? "#{words.slice(0..44)} ... #{words.slice(-45..-1)}" : words)
    else
      t = (tokens.index(words.downcase) || 0) % 4
      result << ('span', h(words), :class => "highlight token-#{t}")
    end
  end
  result
end

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# File 'app/helpers/search_helper.rb', line 68

def link_to_next_search_page(pagination_next_date)
  link_to_content_update(l(:label_next) + ' &#187;',
                         params.merge(:previous => nil, :offset => pagination_next_date.strftime("%Y%m%d%H%M%S")))
end

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# File 'app/helpers/search_helper.rb', line 63

def link_to_previous_search_page(pagination_previous_date)
  link_to_content_update('&#171; ' + l(:label_previous),
                         params.merge(:previous => 1, :offset => pagination_previous_date.strftime("%Y%m%d%H%M%S")))
end

#project_select_tagObject


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# File 'app/helpers/search_helper.rb', line 42

def project_select_tag
  options = [[l(:label_project_all), 'all']]
  options << [l(:label_my_projects), 'my_projects'] unless User.current.memberships.empty?
  options << [l(:label_and_its_subprojects, @project.name), 'subprojects'] unless @project.nil? || @project.descendants.active.empty?
  options << [@project.name, ''] unless @project.nil?
  label_tag("scope", l(:description_project_scope), :class => "hidden-for-sighted") +
  select_tag('scope', options_for_select(options, params[:scope].to_s)) if options.size > 1
end

#render_results_by_type(results_by_type) ⇒ Object


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# File 'app/helpers/search_helper.rb', line 51

def render_results_by_type(results_by_type)
  links = []
  # Sorts types by results count
  results_by_type.keys.sort {|a, b| results_by_type[b] <=> results_by_type[a]}.each do |t|
    c = results_by_type[t]
    next if c == 0
    text = "#{type_label(t)} (#{c})"
    links << link_to(h(text), :q => params[:q], :titles_only => params[:title_only], :all_words => params[:all_words], :scope => params[:scope], t => 1)
  end
  ('<ul>' + links.map {|link| ('li', link)}.join(' ') + '</ul>') unless links.empty?
end

#type_label(t) ⇒ Object


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# File 'app/helpers/search_helper.rb', line 38

def type_label(t)
  l("label_#{t.singularize}_plural", :default => t.to_s.humanize)
end