comparison app/helpers/.svn/text-base/search_helper.rb.svn-base @ 0:513646585e45

* Import Redmine trunk SVN rev 3859

+# redMine - project management software
+# Copyright (C) 2006-2007  Jean-Philippe Lang
+#
+# 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.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+module SearchHelper
+  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 << content_tag('span', h(words), :class => "highlight token-#{t}")
+      end
+    end
+    result
+  end
+  
+  def type_label(t)
+    l("label_#{t.singularize}_plural")
+  end
+  
+  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?
+    select_tag('scope', options_for_select(options, params[:scope].to_s)) if options.size > 1
+  end
+  
+  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(text, :q => params[:q], :titles_only => params[:title_only], :all_words => params[:all_words], :scope => params[:scope], t => 1)
+    end
+    ('<ul>' + links.map {|link| content_tag('li', link)}.join(' ') + '</ul>') unless links.empty?
+  end
+end