jro_apps/redmine Commit - r15216:c84f7243f52d

Removed #link_to_content_update....

Jean-Philippe Lang -

r15216:c84f7243f52d

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r15216:c84f7243f52d

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app/helpers/application_helper.rb 0 -4

             # encoding: utf-8
             #
             # Redmine - project management software
             # Copyright (C) 2006-2016  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.
             require 'forwardable'
             require 'cgi'
             module ApplicationHelper
               include Redmine::WikiFormatting::Macros::Definitions
               include Redmine::I18n
               include GravatarHelper::PublicMethods
               include Redmine::Pagination::Helper
               include Redmine::SudoMode::Helper
               include Redmine::Themes::Helper
               include Redmine::Hook::Helper
               include Redmine::Helpers::URL
               extend Forwardable
               def_delegators :wiki_helper, :wikitoolbar_for, :heads_for_wiki_formatter
               # Return true if user is authorized for controller/action, otherwise false
               def authorize_for(controller, action)
                 User.current.allowed_to?({:controller => controller, :action => action}, @project)
               end
               # Display a link if user is authorized
               #
               # @param [String] name Anchor text (passed to link_to)
               # @param [Hash] options Hash params. This will checked by authorize_for to see if the user is authorized
               # @param [optional, Hash] html_options Options passed to link_to
               # @param [optional, Hash] parameters_for_method_reference Extra parameters for link_to
               def link_to_if_authorized(name, options = {}, html_options = nil, *parameters_for_method_reference)
                 link_to(name, options, html_options, *parameters_for_method_reference) if authorize_for(options[:controller] || params[:controller], options[:action])
               end
               # Displays a link to user's account page if active
               def link_to_user(user, options={})
                 if user.is_a?(User)
                   name = h(user.name(options[:format]))
                   if user.active? || (User.current.admin? && user.logged?)
                     link_to name, user_path(user), :class => user.css_classes
                   else
                     name
                   end
                 else
                   h(user.to_s)
                 end
               end
               # Displays a link to +issue+ with its subject.
               # Examples:
               #
               #   link_to_issue(issue)                        # => Defect #6: This is the subject
               #   link_to_issue(issue, :truncate => 6)        # => Defect #6: This i...
               #   link_to_issue(issue, :subject => false)     # => Defect #6
               #   link_to_issue(issue, :project => true)      # => Foo - Defect #6
               #   link_to_issue(issue, :subject => false, :tracker => false)     # => #6
               #
               def link_to_issue(issue, options={})
                 title = nil
                 subject = nil
                 text = options[:tracker] == false ? "##{issue.id}" : "#{issue.tracker} ##{issue.id}"
                 if options[:subject] == false
                   title = issue.subject.truncate(60)
                 else
                   subject = issue.subject
                   if truncate_length = options[:truncate]
                     subject = subject.truncate(truncate_length)
                   end
                 end
                 only_path = options[:only_path].nil? ? true : options[:only_path]
                 s = link_to(text, issue_url(issue, :only_path => only_path),
                             :class => issue.css_classes, :title => title)
                 s << h(": #{subject}") if subject
                 s = h("#{issue.project} - ") + s if options[:project]
                 s
               end
               # Generates a link to an attachment.
               # Options:
               # * :text - Link text (default to attachment filename)
               # * :download - Force download (default: false)
               def link_to_attachment(attachment, options={})
                 text = options.delete(:text) || attachment.filename
                 route_method = options.delete(:download) ? :download_named_attachment_url : :named_attachment_url
                 html_options = options.slice!(:only_path)
                 options[:only_path] = true unless options.key?(:only_path)
                 url = send(route_method, attachment, attachment.filename, options)
                 link_to text, url, html_options
               end
               # Generates a link to a SCM revision
               # Options:
               # * :text - Link text (default to the formatted revision)
               def link_to_revision(revision, repository, options={})
                 if repository.is_a?(Project)
                   repository = repository.repository
                 end
                 text = options.delete(:text) || format_revision(revision)
                 rev = revision.respond_to?(:identifier) ? revision.identifier : revision
                 link_to(
                     h(text),
                     {:controller => 'repositories', :action => 'revision', :id => repository.project, :repository_id => repository.identifier_param, :rev => rev},
                     :title => l(:label_revision_id, format_revision(revision)),
                     :accesskey => options[:accesskey]
                   )
               end
               # Generates a link to a message
               def link_to_message(message, options={}, html_options = nil)
                 link_to(
                   message.subject.truncate(60),
                   board_message_url(message.board_id, message.parent_id || message.id, {
                     :r => (message.parent_id && message.id),
                     :anchor => (message.parent_id ? "message-#{message.id}" : nil),
                     :only_path => true
                   }.merge(options)),
                   html_options
                 )
               end
               # Generates a link to a project if active
               # Examples:
               #
               #   link_to_project(project)                          # => link to the specified project overview
               #   link_to_project(project, {:only_path => false}, :class => "project") # => 3rd arg adds html options
               #   link_to_project(project, {}, :class => "project") # => html options with default url (project overview)
               #
               def link_to_project(project, options={}, html_options = nil)
                 if project.archived?
                   h(project.name)
                 else
                   link_to project.name,
                     project_url(project, {:only_path => true}.merge(options)),
                     html_options
                 end
               end
               # Generates a link to a project settings if active
               def link_to_project_settings(project, options={}, html_options=nil)
                 if project.active?
                   link_to project.name, settings_project_path(project, options), html_options
                 elsif project.archived?
                   h(project.name)
                 else
                   link_to project.name, project_path(project, options), html_options
                 end
               end
               # Generates a link to a version
               def link_to_version(version, options = {})
                 return '' unless version && version.is_a?(Version)
                 options = {:title => format_date(version.effective_date)}.merge(options)
                 link_to_if version.visible?, format_version_name(version), version_path(version), options
               end
               # Helper that formats object for html or text rendering
               def format_object(object, html=true, &block)
                 if block_given?
                   object = yield object
                 end
                 case object.class.name
                 when 'Array'
                   object.map {|o| format_object(o, html)}.join(', ').html_safe
                 when 'Time'
                   format_time(object)
                 when 'Date'
                   format_date(object)
                 when 'Fixnum'
                   object.to_s
                 when 'Float'
                   sprintf "%.2f", object
                 when 'User'
                   html ? link_to_user(object) : object.to_s
                 when 'Project'
                   html ? link_to_project(object) : object.to_s
                 when 'Version'
                   html ? link_to_version(object) : object.to_s
                 when 'TrueClass'
                   l(:general_text_Yes)
                 when 'FalseClass'
                   l(:general_text_No)
                 when 'Issue'
                   object.visible? && html ? link_to_issue(object) : "##{object.id}"
                 when 'CustomValue', 'CustomFieldValue'
                   if object.custom_field
                     f = object.custom_field.format.formatted_custom_value(self, object, html)
                     if f.nil? || f.is_a?(String)
                       f
                     else
                       format_object(f, html, &block)
                     end
                   else
                     object.value.to_s
                   end
                 else
                   html ? h(object) : object.to_s
                 end
               end
               def wiki_page_path(page, options={})
                 url_for({:controller => 'wiki', :action => 'show', :project_id => page.project, :id => page.title}.merge(options))
               end
               def thumbnail_tag(attachment)
                 link_to image_tag(thumbnail_path(attachment)),
                   named_attachment_path(attachment, attachment.filename),
                   :title => attachment.filename
               end
               def toggle_link(name, id, options={})
                 onclick = "$('##{id}').toggle(); "
                 onclick << (options[:focus] ? "$('##{options[:focus]}').focus(); " : "this.blur(); ")
                 onclick << "return false;"
                 link_to(name, "#", :onclick => onclick)
               end
               def format_activity_title(text)
                 h(truncate_single_line_raw(text, 100))
               end
               def format_activity_day(date)
                 date == User.current.today ? l(:label_today).titleize : format_date(date)
               end
               def format_activity_description(text)
                 h(text.to_s.truncate(120).gsub(%r{[\r\n]*<(pre|code)>.*$}m, '...')
                    ).gsub(/[\r\n]+/, "<br />").html_safe
               end
               def format_version_name(version)
                 if version.project == @project
                   h(version)
                 else
                   h("#{version.project} - #{version}")
                 end
               end
               def due_date_distance_in_words(date)
                 if date
                   l((date < User.current.today ? :label_roadmap_overdue : :label_roadmap_due_in), distance_of_date_in_words(User.current.today, date))
                 end
               end
               # Renders a tree of projects as a nested set of unordered lists
               # The given collection may be a subset of the whole project tree
               # (eg. some intermediate nodes are private and can not be seen)
               def render_project_nested_lists(projects, &block)
                 s = ''
                 if projects.any?
                   ancestors = []
                   original_project = @project
                   projects.sort_by(&:lft).each do |project|
                     # set the project environment to please macros.
                     @project = project
                     if (ancestors.empty? || project.is_descendant_of?(ancestors.last))
                       s << "<ul class='projects #{ ancestors.empty? ? 'root' : nil}'>\n"
                     else
                       ancestors.pop
                       s << "</li>"
                       while (ancestors.any? && !project.is_descendant_of?(ancestors.last))
                         ancestors.pop
                         s << "</ul></li>\n"
                       end
                     end
                     classes = (ancestors.empty? ? 'root' : 'child')
                     s << "<li class='#{classes}'><div class='#{classes}'>"
                     s << h(block_given? ? capture(project, &block) : project.name)
                     s << "</div>\n"
                     ancestors << project
                   end
                   s << ("</li></ul>\n" * ancestors.size)
                   @project = original_project
                 end
                 s.html_safe
               end
               def render_page_hierarchy(pages, node=nil, options={})
                 content = ''
                 if pages[node]
                   content << "<ul class=\"pages-hierarchy\">\n"
                   pages[node].each do |page|
                     content << "<li>"
                     content << link_to(h(page.pretty_title), {:controller => 'wiki', :action => 'show', :project_id => page.project, :id => page.title, :version => nil},
                                        :title => (options[:timestamp] && page.updated_on ? l(:label_updated_time, distance_of_time_in_words(Time.now, page.updated_on)) : nil))
                     content << "\n" + render_page_hierarchy(pages, page.id, options) if pages[page.id]
                     content << "</li>\n"
                   end
                   content << "</ul>\n"
                 end
                 content.html_safe
               end
               # Renders flash messages
               def render_flash_messages
                 s = ''
                 flash.each do |k,v|
                   s << content_tag('div', v.html_safe, :class => "flash #{k}", :id => "flash_#{k}")
                 end
                 s.html_safe
               end
               # Renders tabs and their content
               def render_tabs(tabs, selected=params[:tab])
                 if tabs.any?
                   unless tabs.detect {|tab| tab[:name] == selected}
                     selected = nil
                   end
                   selected ||= tabs.first[:name]
                   render :partial => 'common/tabs', :locals => {:tabs => tabs, :selected_tab => selected}
                 else
                   content_tag 'p', l(:label_no_data), :class => "nodata"
                 end
               end
               # Renders the project quick-jump box
               def render_project_jump_box
                 return unless User.current.logged?
                 projects = User.current.projects.active.select(:id, :name, :identifier, :lft, :rgt).to_a
                 if projects.any?
                   options =
                     ("<option value=''>#{ l(:label_jump_to_a_project) }</option>" +
                      '<option value="" disabled="disabled">---</option>').html_safe
                   options << project_tree_options_for_select(projects, :selected => @project) do |p|
                     { :value => project_path(:id => p, :jump => current_menu_item) }
                   end
                   content_tag( :span, nil, :class => 'jump-box-arrow') +
                   select_tag('project_quick_jump_box', options, :onchange => 'if (this.value != \'\') { window.location = this.value; }')
                 end
               end
               def project_tree_options_for_select(projects, options = {})
                 s = ''.html_safe
                 if blank_text = options[:include_blank]
                   if blank_text == true
                     blank_text = '&nbsp;'.html_safe
                   end
                   s << content_tag('option', blank_text, :value => '')
                 end
                 project_tree(projects) do |project, level|
                   name_prefix = (level > 0 ? '&nbsp;' * 2 * level + '&#187; ' : '').html_safe
                   tag_options = {:value => project.id}
                   if project == options[:selected] || (options[:selected].respond_to?(:include?) && options[:selected].include?(project))
                     tag_options[:selected] = 'selected'
                   else
                     tag_options[:selected] = nil
                   end
                   tag_options.merge!(yield(project)) if block_given?
                   s << content_tag('option', name_prefix + h(project), tag_options)
                 end
                 s.html_safe
               end
               # Yields the given block for each project with its level in the tree
               #
               # Wrapper for Project#project_tree
               def project_tree(projects, &block)
                 Project.project_tree(projects, &block)
               end
               def principals_check_box_tags(name, principals)
                 s = ''
                 principals.each do |principal|
                   s << "<label>#{ check_box_tag name, principal.id, false, :id => nil } #{h principal}</label>\n"
                 end
                 s.html_safe
               end
               # Returns a string for users/groups option tags
               def principals_options_for_select(collection, selected=nil)
                 s = ''
                 if collection.include?(User.current)
                   s << content_tag('option', "<< #{l(:label_me)} >>", :value => User.current.id)
                 end
                 groups = ''
                 collection.sort.each do |element|
                   selected_attribute = ' selected="selected"' if option_value_selected?(element, selected) || element.id.to_s == selected
                   (element.is_a?(Group) ? groups : s) << %(<option value="#{element.id}"#{selected_attribute}>#{h element.name}</option>)
                 end
                 unless groups.empty?
                   s << %(<optgroup label="#{h(l(:label_group_plural))}">#{groups}</optgroup>)
                 end
                 s.html_safe
               end
               def option_tag(name, text, value, selected=nil, options={})
                 content_tag 'option', value, options.merge(:value => value, :selected => (value == selected))
               end
               def truncate_single_line_raw(string, length)
                 string.to_s.truncate(length).gsub(%r{[\r\n]+}m, ' ')
               end
               # Truncates at line break after 250 characters or options[:length]
               def truncate_lines(string, options={})
                 length = options[:length] || 250
                 if string.to_s =~ /\A(.{#{length}}.*?)$/m
                   "#{$1}..."
                 else
                   string
                 end
               end
               def anchor(text)
                 text.to_s.gsub(' ', '_')
               end
               def html_hours(text)
                 text.gsub(%r{(\d+)\.(\d+)}, '<span class="hours hours-int">\1</span><span class="hours hours-dec">.\2</span>').html_safe
               end
               def authoring(created, author, options={})
                 l(options[:label] || :label_added_time_by, :author => link_to_user(author), :age => time_tag(created)).html_safe
               end
               def time_tag(time)
                 text = distance_of_time_in_words(Time.now, time)
                 if @project
                   link_to(text, project_activity_path(@project, :from => User.current.time_to_date(time)), :title => format_time(time))
                 else
                   content_tag('abbr', text, :title => format_time(time))
                 end
               end
               def syntax_highlight_lines(name, content)
                 lines = []
                 syntax_highlight(name, content).each_line { |line| lines << line }
                 lines
               end
               def syntax_highlight(name, content)
                 Redmine::SyntaxHighlighting.highlight_by_filename(content, name)
               end
               def to_path_param(path)
                 str = path.to_s.split(%r{[/\\]}).select{|p| !p.blank?}.join("/")
                 str.blank? ? nil : str
               end
               def reorder_links(name, url, method = :post)
                 # TODO: remove associated styles from application.css too
                 ActiveSupport::Deprecation.warn "Application#reorder_links will be removed in Redmine 4."
                 link_to(l(:label_sort_highest),
                         url.merge({"#{name}[move_to]" => 'highest'}), :method => method,
                         :title => l(:label_sort_highest), :class => 'icon-only icon-move-top') +
                 link_to(l(:label_sort_higher),
                         url.merge({"#{name}[move_to]" => 'higher'}), :method => method,
                         :title => l(:label_sort_higher), :class => 'icon-only icon-move-up') +
                 link_to(l(:label_sort_lower),
                         url.merge({"#{name}[move_to]" => 'lower'}), :method => method,
                         :title => l(:label_sort_lower), :class => 'icon-only icon-move-down') +
                 link_to(l(:label_sort_lowest),
                         url.merge({"#{name}[move_to]" => 'lowest'}), :method => method,
                         :title => l(:label_sort_lowest), :class => 'icon-only icon-move-bottom')
               end
               def reorder_handle(object, options={})
                 data = {
                   :reorder_url => options[:url] || url_for(object),
                   :reorder_param => options[:param] || object.class.name.underscore
                 }
                 content_tag('span', '',
                   :class => "sort-handle",
                   :data => data,
                   :title => l(:button_sort))
               end
               def breadcrumb(*args)
                 elements = args.flatten
                 elements.any? ? content_tag('p', (args.join(" \xc2\xbb ") + " \xc2\xbb ").html_safe, :class => 'breadcrumb') : nil
               end
               def other_formats_links(&block)
                 concat('<p class="other-formats">'.html_safe + l(:label_export_to))
                 yield Redmine::Views::OtherFormatsBuilder.new(self)
                 concat('</p>'.html_safe)
               end
               def page_header_title
                 if @project.nil? || @project.new_record?
                   h(Setting.app_title)
                 else
                   b = []
                   ancestors = (@project.root? ? [] : @project.ancestors.visible.to_a)
                   if ancestors.any?
                     root = ancestors.shift
                     b << link_to_project(root, {:jump => current_menu_item}, :class => 'root')
                     if ancestors.size > 2
                       b << "\xe2\x80\xa6"
                       ancestors = ancestors[-2, 2]
                     end
                     b += ancestors.collect {|p| link_to_project(p, {:jump => current_menu_item}, :class => 'ancestor') }
                   end
                   b << content_tag(:span, h(@project), class: 'current-project')
                   if b.size > 1
                     separator = content_tag(:span, ' &raquo; '.html_safe, class: 'separator')
                     path = safe_join(b[0..-2], separator) + separator
                     b = [content_tag(:span, path.html_safe, class: 'breadcrumbs'), b[-1]]
                   end
                   safe_join b
                 end
               end
               # Returns a h2 tag and sets the html title with the given arguments
               def title(*args)
                 strings = args.map do |arg|
                   if arg.is_a?(Array) && arg.size >= 2
                     link_to(*arg)
                   else
                     h(arg.to_s)
                   end
                 end
                 html_title args.reverse.map {|s| (s.is_a?(Array) ? s.first : s).to_s}
                 content_tag('h2', strings.join(' &#187; ').html_safe)
               end
               # Sets the html title
               # Returns the html title when called without arguments
               # Current project name and app_title and automatically appended
               # Exemples:
               #   html_title 'Foo', 'Bar'
               #   html_title # => 'Foo - Bar - My Project - Redmine'
               def html_title(*args)
                 if args.empty?
                   title = @html_title || []
                   title << @project.name if @project
                   title << Setting.app_title unless Setting.app_title == title.last
                   title.reject(&:blank?).join(' - ')
                 else
                   @html_title ||= []
                   @html_title += args
                 end
               end
               # Returns the theme, controller name, and action as css classes for the
               # HTML body.
               def body_css_classes
                 css = []
                 if theme = Redmine::Themes.theme(Setting.ui_theme)
                   css << 'theme-' + theme.name
                 end
                 css << 'project-' + @project.identifier if @project && @project.identifier.present?
                 css << 'controller-' + controller_name
                 css << 'action-' + action_name
                 css.join(' ')
               end
               def accesskey(s)
                 @used_accesskeys ||= []
                 key = Redmine::AccessKeys.key_for(s)
                 return nil if @used_accesskeys.include?(key)
                 @used_accesskeys << key
                 key
               end
               # Formats text according to system settings.
               # 2 ways to call this method:
               # * with a String: textilizable(text, options)
               # * with an object and one of its attribute: textilizable(issue, :description, options)
               def textilizable(*args)
                 options = args.last.is_a?(Hash) ? args.pop : {}
                 case args.size
                 when 1
                   obj = options[:object]
                   text = args.shift
                 when 2
                   obj = args.shift
                   attr = args.shift
                   text = obj.send(attr).to_s
                 else
                   raise ArgumentError, 'invalid arguments to textilizable'
                 end
                 return '' if text.blank?
                 project = options[:project] || @project || (obj && obj.respond_to?(:project) ? obj.project : nil)
                 @only_path = only_path = options.delete(:only_path) == false ? false : true
                 text = text.dup
                 macros = catch_macros(text)
                 text = Redmine::WikiFormatting.to_html(Setting.text_formatting, text, :object => obj, :attribute => attr)
                 @parsed_headings = []
                 @heading_anchors = {}
                 @current_section = 0 if options[:edit_section_links]
                 parse_sections(text, project, obj, attr, only_path, options)
                 text = parse_non_pre_blocks(text, obj, macros) do |text|
                   [:parse_inline_attachments, :parse_wiki_links, :parse_redmine_links].each do |method_name|
                     send method_name, text, project, obj, attr, only_path, options
                   end
                 end
                 parse_headings(text, project, obj, attr, only_path, options)
                 if @parsed_headings.any?
                   replace_toc(text, @parsed_headings)
                 end
                 text.html_safe
               end
               def parse_non_pre_blocks(text, obj, macros)
                 s = StringScanner.new(text)
                 tags = []
                 parsed = ''
                 while !s.eos?
                   s.scan(/(.*?)(<(\/)?(pre|code)(.*?)>|\z)/im)
                   text, full_tag, closing, tag = s[1], s[2], s[3], s[4]
                   if tags.empty?
                     yield text
                     inject_macros(text, obj, macros) if macros.any?
                   else
                     inject_macros(text, obj, macros, false) if macros.any?
                   end
                   parsed << text
                   if tag
                     if closing
                       if tags.last && tags.last.casecmp(tag) == 0
                         tags.pop
                       end
                     else
                       tags << tag.downcase
                     end
                     parsed << full_tag
                   end
                 end
                 # Close any non closing tags
                 while tag = tags.pop
                   parsed << "</#{tag}>"
                 end
                 parsed
               end
               def parse_inline_attachments(text, project, obj, attr, only_path, options)
                 return if options[:inline_attachments] == false
                 # when using an image link, try to use an attachment, if possible
                 attachments = options[:attachments] || []
                 attachments += obj.attachments if obj.respond_to?(:attachments)
                 if attachments.present?
                   text.gsub!(/src="([^\/"]+\.(bmp|gif|jpg|jpe|jpeg|png))"(\s+alt="([^"]*)")?/i) do |m|
                     filename, ext, alt, alttext = $1.downcase, $2, $3, $4
                     # search for the picture in attachments
                     if found = Attachment.latest_attach(attachments, CGI.unescape(filename))
                       image_url = download_named_attachment_url(found, found.filename, :only_path => only_path)
                       desc = found.description.to_s.gsub('"', '')
                       if !desc.blank? && alttext.blank?
                         alt = " title=\"#{desc}\" alt=\"#{desc}\""
                       end
                       "src=\"#{image_url}\"#{alt}"
                     else
                       m
                     end
                   end
                 end
               end
               # Wiki links
               #
               # Examples:
               #   [[mypage]]
               #   [[mypage|mytext]]
               # wiki links can refer other project wikis, using project name or identifier:
               #   [[project:]] -> wiki starting page
               #   [[project:|mytext]]
               #   [[project:mypage]]
               #   [[project:mypage|mytext]]
               def parse_wiki_links(text, project, obj, attr, only_path, options)
                 text.gsub!(/(!)?(\[\[([^\]\n\|]+)(\|([^\]\n\|]+))?\]\])/) do |m|
                   link_project = project
                   esc, all, page, title = $1, $2, $3, $5
                   if esc.nil?
                     if page =~ /^([^\:]+)\:(.*)$/
                       identifier, page = $1, $2
                       link_project = Project.find_by_identifier(identifier) || Project.find_by_name(identifier)
                       title ||= identifier if page.blank?
                     end
                     if link_project && link_project.wiki
                       # extract anchor
                       anchor = nil
                       if page =~ /^(.+?)\#(.+)$/
                         page, anchor = $1, $2
                       end
                       anchor = sanitize_anchor_name(anchor) if anchor.present?
                       # check if page exists
                       wiki_page = link_project.wiki.find_page(page)
                       url = if anchor.present? && wiki_page.present? && (obj.is_a?(WikiContent) || obj.is_a?(WikiContent::Version)) && obj.page == wiki_page
                         "##{anchor}"
                       else
                         case options[:wiki_links]
                         when :local; "#{page.present? ? Wiki.titleize(page) : ''}.html" + (anchor.present? ? "##{anchor}" : '')
                         when :anchor; "##{page.present? ? Wiki.titleize(page) : title}" + (anchor.present? ? "_#{anchor}" : '') # used for single-file wiki export
                         else
                           wiki_page_id = page.present? ? Wiki.titleize(page) : nil
                           parent = wiki_page.nil? && obj.is_a?(WikiContent) && obj.page && project == link_project ? obj.page.title : nil
                           url_for(:only_path => only_path, :controller => 'wiki', :action => 'show', :project_id => link_project,
                            :id => wiki_page_id, :version => nil, :anchor => anchor, :parent => parent)
                         end
                       end
                       link_to(title.present? ? title.html_safe : h(page), url, :class => ('wiki-page' + (wiki_page ? '' : ' new')))
                     else
                       # project or wiki doesn't exist
                       all
                     end
                   else
                     all
                   end
                 end
               end
               # Redmine links
               #
               # Examples:
               #   Issues:
               #     #52 -> Link to issue #52
               #   Changesets:
               #     r52 -> Link to revision 52
               #     commit:a85130f -> Link to scmid starting with a85130f
               #   Documents:
               #     document#17 -> Link to document with id 17
               #     document:Greetings -> Link to the document with title "Greetings"
               #     document:"Some document" -> Link to the document with title "Some document"
               #   Versions:
               #     version#3 -> Link to version with id 3
               #     version:1.0.0 -> Link to version named "1.0.0"
               #     version:"1.0 beta 2" -> Link to version named "1.0 beta 2"
               #   Attachments:
               #     attachment:file.zip -> Link to the attachment of the current object named file.zip
               #   Source files:
               #     source:some/file -> Link to the file located at /some/file in the project's repository
               #     source:some/file@52 -> Link to the file's revision 52
               #     source:some/file#L120 -> Link to line 120 of the file
               #     source:some/file@52#L120 -> Link to line 120 of the file's revision 52
               #     export:some/file -> Force the download of the file
               #   Forum messages:
               #     message#1218 -> Link to message with id 1218
               #  Projects:
               #     project:someproject -> Link to project named "someproject"
               #     project#3 -> Link to project with id 3
               #
               #   Links can refer other objects from other projects, using project identifier:
               #     identifier:r52
               #     identifier:document:"Some document"
               #     identifier:version:1.0.0
               #     identifier:source:some/file
               def parse_redmine_links(text, default_project, obj, attr, only_path, options)
                 text.gsub!(%r{<a( [^>]+?)?>(.*?)</a>|([\s\(,\-\[\>]|^)(!)?(([a-z0-9\-_]+):)?(attachment|document|version|forum|news|message|project|commit|source|export)?(((#)|((([a-z0-9\-_]+)\|)?(r)))((\d+)((#note)?-(\d+))?)|(:)([^"\s<>][^\s<>]*?|"[^"]+?"))(?=(?=[[:punct:]][^A-Za-z0-9_/])|,|\s|\]|<|$)}) do |m|
                   tag_content, leading, esc, project_prefix, project_identifier, prefix, repo_prefix, repo_identifier, sep, identifier, comment_suffix, comment_id = $2, $3, $4, $5, $6, $7, $12, $13, $10 || $14 || $20, $16 || $21, $17, $19
                   if tag_content
                     $&
                   else
                     link = nil
                     project = default_project
                     if project_identifier
                       project = Project.visible.find_by_identifier(project_identifier)
                     end
                     if esc.nil?
                       if prefix.nil? && sep == 'r'
                         if project
                           repository = nil
                           if repo_identifier
                             repository = project.repositories.detect {|repo| repo.identifier == repo_identifier}
                           else
                             repository = project.repository
                           end
                           # project.changesets.visible raises an SQL error because of a double join on repositories
                           if repository &&
                                (changeset = Changeset.visible.
                                                 find_by_repository_id_and_revision(repository.id, identifier))
                             link = link_to(h("#{project_prefix}#{repo_prefix}r#{identifier}"),
                                            {:only_path => only_path, :controller => 'repositories',
                                             :action => 'revision', :id => project,
                                             :repository_id => repository.identifier_param,
                                             :rev => changeset.revision},
                                            :class => 'changeset',
                                            :title => truncate_single_line_raw(changeset.comments, 100))
                           end
                         end
                       elsif sep == '#'
                         oid = identifier.to_i
                         case prefix
                         when nil
                           if oid.to_s == identifier &&
                             issue = Issue.visible.find_by_id(oid)
                             anchor = comment_id ? "note-#{comment_id}" : nil
                             link = link_to("##{oid}#{comment_suffix}",
                                            issue_url(issue, :only_path => only_path, :anchor => anchor),
                                            :class => issue.css_classes,
                                            :title => "#{issue.tracker.name}: #{issue.subject.truncate(100)} (#{issue.status.name})")
                           end
                         when 'document'
                           if document = Document.visible.find_by_id(oid)
                             link = link_to(document.title, document_url(document, :only_path => only_path), :class => 'document')
                           end
                         when 'version'
                           if version = Version.visible.find_by_id(oid)
                             link = link_to(version.name, version_url(version, :only_path => only_path), :class => 'version')
                           end
                         when 'message'
                           if message = Message.visible.find_by_id(oid)
                             link = link_to_message(message, {:only_path => only_path}, :class => 'message')
                           end
                         when 'forum'
                           if board = Board.visible.find_by_id(oid)
                             link = link_to(board.name, project_board_url(board.project, board, :only_path => only_path), :class => 'board')
                           end
                         when 'news'
                           if news = News.visible.find_by_id(oid)
                             link = link_to(news.title, news_url(news, :only_path => only_path), :class => 'news')
                           end
                         when 'project'
                           if p = Project.visible.find_by_id(oid)
                             link = link_to_project(p, {:only_path => only_path}, :class => 'project')
                           end
                         end
                       elsif sep == ':'
                         # removes the double quotes if any
                         name = identifier.gsub(%r{^"(.*)"$}, "\\1")
                         name = CGI.unescapeHTML(name)
                         case prefix
                         when 'document'
                           if project && document = project.documents.visible.find_by_title(name)
                             link = link_to(document.title, document_url(document, :only_path => only_path), :class => 'document')
                           end
                         when 'version'
                           if project && version = project.versions.visible.find_by_name(name)
                             link = link_to(version.name, version_url(version, :only_path => only_path), :class => 'version')
                           end
                         when 'forum'
                           if project && board = project.boards.visible.find_by_name(name)
                             link = link_to(board.name, project_board_url(board.project, board, :only_path => only_path), :class => 'board')
                           end
                         when 'news'
                           if project && news = project.news.visible.find_by_title(name)
                             link = link_to(news.title, news_url(news, :only_path => only_path), :class => 'news')
                           end
                         when 'commit', 'source', 'export'
                           if project
                             repository = nil
                             if name =~ %r{^(([a-z0-9\-_]+)\|)(.+)$}
                               repo_prefix, repo_identifier, name = $1, $2, $3
                               repository = project.repositories.detect {|repo| repo.identifier == repo_identifier}
                             else
                               repository = project.repository
                             end
                             if prefix == 'commit'
                               if repository && (changeset = Changeset.visible.where("repository_id = ? AND scmid LIKE ?", repository.id, "#{name}%").first)
                                 link = link_to h("#{project_prefix}#{repo_prefix}#{name}"), {:only_path => only_path, :controller => 'repositories', :action => 'revision', :id => project, :repository_id => repository.identifier_param, :rev => changeset.identifier},
                                                              :class => 'changeset',
                                                              :title => truncate_single_line_raw(changeset.comments, 100)
                               end
                             else
                               if repository && User.current.allowed_to?(:browse_repository, project)
                                 name =~ %r{^[/\\]*(.*?)(@([^/\\@]+?))?(#(L\d+))?$}
                                 path, rev, anchor = $1, $3, $5
                                 link = link_to h("#{project_prefix}#{prefix}:#{repo_prefix}#{name}"), {:only_path => only_path, :controller => 'repositories', :action => (prefix == 'export' ? 'raw' : 'entry'), :id => project, :repository_id => repository.identifier_param,
                                                                         :path => to_path_param(path),
                                                                         :rev => rev,
                                                                         :anchor => anchor},
                                                                        :class => (prefix == 'export' ? 'source download' : 'source')
                               end
                             end
                             repo_prefix = nil
                           end
                         when 'attachment'
                           attachments = options[:attachments] || []
                           attachments += obj.attachments if obj.respond_to?(:attachments)
                           if attachments && attachment = Attachment.latest_attach(attachments, name)
                             link = link_to_attachment(attachment, :only_path => only_path, :download => true, :class => 'attachment')
                           end
                         when 'project'
                           if p = Project.visible.where("identifier = :s OR LOWER(name) = :s", :s => name.downcase).first
                             link = link_to_project(p, {:only_path => only_path}, :class => 'project')
                           end
                         end
                       end
                     end
                     (leading + (link || "#{project_prefix}#{prefix}#{repo_prefix}#{sep}#{identifier}#{comment_suffix}"))
                   end
                 end
               end
               HEADING_RE = /(<h(\d)( [^>]+)?>(.+?)<\/h(\d)>)/i unless const_defined?(:HEADING_RE)
               def parse_sections(text, project, obj, attr, only_path, options)
                 return unless options[:edit_section_links]
                 text.gsub!(HEADING_RE) do
                   heading, level = $1, $2
                   @current_section += 1
                   if @current_section > 1
                     content_tag('div',
                       link_to(l(:button_edit_section), options[:edit_section_links].merge(:section => @current_section),
                               :class => 'icon-only icon-edit'),
                       :class => "contextual heading-#{level}",
                       :title => l(:button_edit_section),
                       :id => "section-#{@current_section}") + heading.html_safe
                   else
                     heading
                   end
                 end
               end
               # Headings and TOC
               # Adds ids and links to headings unless options[:headings] is set to false
               def parse_headings(text, project, obj, attr, only_path, options)
                 return if options[:headings] == false
                 text.gsub!(HEADING_RE) do
                   level, attrs, content = $2.to_i, $3, $4
                   item = strip_tags(content).strip
                   anchor = sanitize_anchor_name(item)
                   # used for single-file wiki export
                   anchor = "#{obj.page.title}_#{anchor}" if options[:wiki_links] == :anchor && (obj.is_a?(WikiContent) || obj.is_a?(WikiContent::Version))
                   @heading_anchors[anchor] ||= 0
                   idx = (@heading_anchors[anchor] += 1)
                   if idx > 1
                     anchor = "#{anchor}-#{idx}"
                   end
                   @parsed_headings << [level, anchor, item]
                   "<a name=\"#{anchor}\"></a>\n<h#{level} #{attrs}>#{content}<a href=\"##{anchor}\" class=\"wiki-anchor\">&para;</a></h#{level}>"
                 end
               end
               MACROS_RE = /(
                             (!)?                        # escaping
                             (
                             \{\{                        # opening tag
                             ([\w]+)                     # macro name
                             (\(([^\n\r]*?)\))?          # optional arguments
                             ([\n\r].*?[\n\r])?          # optional block of text
                             \}\}                        # closing tag
                             )
                            )/mx unless const_defined?(:MACROS_RE)
               MACRO_SUB_RE = /(
                               \{\{
                               macro\((\d+)\)
                               \}\}
                               )/x unless const_defined?(:MACRO_SUB_RE)
               # Extracts macros from text
               def catch_macros(text)
                 macros = {}
                 text.gsub!(MACROS_RE) do
                   all, macro = $1, $4.downcase
                   if macro_exists?(macro) || all =~ MACRO_SUB_RE
                     index = macros.size
                     macros[index] = all
                     "{{macro(#{index})}}"
                   else
                     all
                   end
                 end
                 macros
               end
               # Executes and replaces macros in text
               def inject_macros(text, obj, macros, execute=true)
                 text.gsub!(MACRO_SUB_RE) do
                   all, index = $1, $2.to_i
                   orig = macros.delete(index)
                   if execute && orig && orig =~ MACROS_RE
                     esc, all, macro, args, block = $2, $3, $4.downcase, $6.to_s, $7.try(:strip)
                     if esc.nil?
                       h(exec_macro(macro, obj, args, block) || all)
                     else
                       h(all)
                     end
                   elsif orig
                     h(orig)
                   else
                     h(all)
                   end
                 end
               end
               TOC_RE = /<p>\{\{((<|&lt;)|(>|&gt;))?toc\}\}<\/p>/i unless const_defined?(:TOC_RE)
               # Renders the TOC with given headings
               def replace_toc(text, headings)
                 text.gsub!(TOC_RE) do
                   left_align, right_align = $2, $3
                   # Keep only the 4 first levels
                   headings = headings.select{|level, anchor, item| level <= 4}
                   if headings.empty?
                     ''
                   else
                     div_class = 'toc'
                     div_class << ' right' if right_align
                     div_class << ' left' if left_align
                     out = "<ul class=\"#{div_class}\"><li>"
                     root = headings.map(&:first).min
                     current = root
                     started = false
                     headings.each do |level, anchor, item|
                       if level > current
                         out << '<ul><li>' * (level - current)
                       elsif level < current
                         out << "</li></ul>\n" * (current - level) + "</li><li>"
                       elsif started
                         out << '</li><li>'
                       end
                       out << "<a href=\"##{anchor}\">#{item}</a>"
                       current = level
                       started = true
                     end
                     out << '</li></ul>' * (current - root)
                     out << '</li></ul>'
                   end
                 end
               end
               # Same as Rails' simple_format helper without using paragraphs
               def simple_format_without_paragraph(text)
                 text.to_s.
                   gsub(/\r\n?/, "\n").                    # \r\n and \r -> \n
                   gsub(/\n\n+/, "<br /><br />").          # 2+ newline  -> 2 br
                   gsub(/([^\n]\n)(?=[^\n])/, '\1<br />'). # 1 newline   -> br
                   html_safe
               end
               def lang_options_for_select(blank=true)
                 (blank ? [["(auto)", ""]] : []) + languages_options
               end
               def labelled_form_for(*args, &proc)
                 args << {} unless args.last.is_a?(Hash)
                 options = args.last
                 if args.first.is_a?(Symbol)
                   options.merge!(:as => args.shift)
                 end
                 options.merge!({:builder => Redmine::Views::LabelledFormBuilder})
                 form_for(*args, &proc)
               end
               def labelled_fields_for(*args, &proc)
                 args << {} unless args.last.is_a?(Hash)
                 options = args.last
                 options.merge!({:builder => Redmine::Views::LabelledFormBuilder})
                 fields_for(*args, &proc)
               end
               # Render the error messages for the given objects
               def error_messages_for(*objects)
                 objects = objects.map {|o| o.is_a?(String) ? instance_variable_get("@#{o}") : o}.compact
                 errors = objects.map {|o| o.errors.full_messages}.flatten
                 render_error_messages(errors)
               end
               # Renders a list of error messages
               def render_error_messages(errors)
                 html = ""
                 if errors.present?
                   html << "<div id='errorExplanation'><ul>\n"
                   errors.each do |error|
                     html << "<li>#{h error}</li>\n"
                   end
                   html << "</ul></div>\n"
                 end
                 html.html_safe
               end
               def delete_link(url, options={})
                 options = {
                   :method => :delete,
                   :data => {:confirm => l(:text_are_you_sure)},
                   :class => 'icon icon-del'
                 }.merge(options)
                 link_to l(:button_delete), url, options
               end
               def preview_link(url, form, target='preview', options={})
                 content_tag 'a', l(:label_preview), {
                     :href => "#",
                     :onclick => %|submitPreview("#{escape_javascript url_for(url)}", "#{escape_javascript form}", "#{escape_javascript target}"); return false;|,
                     :accesskey => accesskey(:preview)
                   }.merge(options)
               end
               def link_to_function(name, function, html_options={})
                 content_tag(:a, name, {:href => '#', :onclick => "#{function}; return false;"}.merge(html_options))
               end
               # Helper to render JSON in views
               def raw_json(arg)
                 arg.to_json.to_s.gsub('/', '\/').html_safe
               end
               def back_url
                 url = params[:back_url]
                 if url.nil? && referer = request.env['HTTP_REFERER']
                   url = CGI.unescape(referer.to_s)
                   # URLs that contains the utf8=[checkmark] parameter added by Rails are
                   # parsed as invalid by URI.parse so the redirect to the back URL would
                   # not be accepted (ApplicationController#validate_back_url would return
                   # false)
                   url.gsub!(/(\?|&)utf8=\u2713&?/, '\1')
                 end
                 url
               end
               def back_url_hidden_field_tag
                 url = back_url
                 hidden_field_tag('back_url', url, :id => nil) unless url.blank?
               end
               def check_all_links(form_name)
                 link_to_function(l(:button_check_all), "checkAll('#{form_name}', true)") +
                 " | ".html_safe +
                 link_to_function(l(:button_uncheck_all), "checkAll('#{form_name}', false)")
               end
               def toggle_checkboxes_link(selector)
                 link_to_function '',
                   "toggleCheckboxesBySelector('#{selector}')",
                   :title => "#{l(:button_check_all)} / #{l(:button_uncheck_all)}",
                   :class => 'toggle-checkboxes'
               end
               def progress_bar(pcts, options={})
                 pcts = [pcts, pcts] unless pcts.is_a?(Array)
                 pcts = pcts.collect(&:round)
                 pcts[1] = pcts[1] - pcts[0]
                 pcts << (100 - pcts[1] - pcts[0])
                 titles = options[:titles].to_a
                 titles[0] = "#{pcts[0]}%" if titles[0].blank?
                 legend = options[:legend] || ''
                 content_tag('table',
                   content_tag('tr',
                     (pcts[0] > 0 ? content_tag('td', '', :style => "width: #{pcts[0]}%;", :class => 'closed', :title => titles[0]) : ''.html_safe) +
                     (pcts[1] > 0 ? content_tag('td', '', :style => "width: #{pcts[1]}%;", :class => 'done', :title => titles[1]) : ''.html_safe) +
                     (pcts[2] > 0 ? content_tag('td', '', :style => "width: #{pcts[2]}%;", :class => 'todo', :title => titles[2]) : ''.html_safe)
                   ), :class => "progress progress-#{pcts[0]}").html_safe +
                   content_tag('p', legend, :class => 'percent').html_safe
               end
               def checked_image(checked=true)
                 if checked
                   @checked_image_tag ||= content_tag(:span, nil, :class => 'icon-only icon-checked')
                 end
               end
               def context_menu(url)
                 unless @context_menu_included
                   content_for :header_tags do
                     javascript_include_tag('context_menu') +
                       stylesheet_link_tag('context_menu')
                   end
                   if l(:direction) == 'rtl'
                     content_for :header_tags do
                       stylesheet_link_tag('context_menu_rtl')
                     end
                   end
                   @context_menu_included = true
                 end
                 javascript_tag "contextMenuInit('#{ url_for(url) }')"
               end
               def calendar_for(field_id)
                 include_calendar_headers_tags
                 javascript_tag("$(function() { $('##{field_id}').addClass('date').datepickerFallback(datepickerOptions); });")
               end
               def include_calendar_headers_tags
                 unless @calendar_headers_tags_included
                   tags = ''.html_safe
                   @calendar_headers_tags_included = true
                   content_for :header_tags do
                     start_of_week = Setting.start_of_week
                     start_of_week = l(:general_first_day_of_week, :default => '1') if start_of_week.blank?
                     # Redmine uses 1..7 (monday..sunday) in settings and locales
                     # JQuery uses 0..6 (sunday..saturday), 7 needs to be changed to 0
                     start_of_week = start_of_week.to_i % 7
                     tags << javascript_tag(
                                "var datepickerOptions={dateFormat: 'yy-mm-dd', firstDay: #{start_of_week}, " +
                                  "showOn: 'button', buttonImageOnly: true, buttonImage: '" +
                                  path_to_image('/images/calendar.png') +
                                  "', showButtonPanel: true, showWeek: true, showOtherMonths: true, " +
                                  "selectOtherMonths: true, changeMonth: true, changeYear: true, " +
                                  "beforeShow: beforeShowDatePicker};")
                     jquery_locale = l('jquery.locale', :default => current_language.to_s)
                     unless jquery_locale == 'en'
                       tags << javascript_include_tag("i18n/datepicker-#{jquery_locale}.js")
                     end
                     tags
                   end
                 end
               end
               # Overrides Rails' stylesheet_link_tag with themes and plugins support.
               # Examples:
               #   stylesheet_link_tag('styles') # => picks styles.css from the current theme or defaults
               #   stylesheet_link_tag('styles', :plugin => 'foo) # => picks styles.css from plugin's assets
               #
               def stylesheet_link_tag(*sources)
                 options = sources.last.is_a?(Hash) ? sources.pop : {}
                 plugin = options.delete(:plugin)
                 sources = sources.map do |source|
                   if plugin
                     "/plugin_assets/#{plugin}/stylesheets/#{source}"
                   elsif current_theme && current_theme.stylesheets.include?(source)
                     current_theme.stylesheet_path(source)
                   else
                     source
                   end
                 end
                 super *sources, options
               end
               # Overrides Rails' image_tag with themes and plugins support.
               # Examples:
               #   image_tag('image.png') # => picks image.png from the current theme or defaults
               #   image_tag('image.png', :plugin => 'foo) # => picks image.png from plugin's assets
               #
               def image_tag(source, options={})
                 if plugin = options.delete(:plugin)
                   source = "/plugin_assets/#{plugin}/images/#{source}"
                 elsif current_theme && current_theme.images.include?(source)
                   source = current_theme.image_path(source)
                 end
                 super source, options
               end
               # Overrides Rails' javascript_include_tag with plugins support
               # Examples:
               #   javascript_include_tag('scripts') # => picks scripts.js from defaults
               #   javascript_include_tag('scripts', :plugin => 'foo) # => picks scripts.js from plugin's assets
               #
               def javascript_include_tag(*sources)
                 options = sources.last.is_a?(Hash) ? sources.pop : {}
                 if plugin = options.delete(:plugin)
                   sources = sources.map do |source|
                     if plugin
                       "/plugin_assets/#{plugin}/javascripts/#{source}"
                     else
                       source
                     end
                   end
                 end
                 super *sources, options
               end
               def sidebar_content?
                 content_for?(:sidebar) || view_layouts_base_sidebar_hook_response.present?
               end
               def view_layouts_base_sidebar_hook_response
                 @view_layouts_base_sidebar_hook_response ||= call_hook(:view_layouts_base_sidebar)
               end
               def email_delivery_enabled?
                 !!ActionMailer::Base.perform_deliveries
               end
               # Returns the avatar image tag for the given +user+ if avatars are enabled
               # +user+ can be a User or a string that will be scanned for an email address (eg. 'joe <joe@foo.bar>')
               def avatar(user, options = { })
                 if Setting.gravatar_enabled?
                   options.merge!(:default => Setting.gravatar_default)
                   email = nil
                   if user.respond_to?(:mail)
                     email = user.mail
                   elsif user.to_s =~ %r{<(.+?)>}
                     email = $1
                   end
                   return gravatar(email.to_s.downcase, options) unless email.blank? rescue nil
                 else
                   ''
                 end
               end
               # Returns a link to edit user's avatar if avatars are enabled
               def avatar_edit_link(user, options={})
                 if Setting.gravatar_enabled?
                   url = "https://gravatar.com"
                   link_to avatar(user, {:title => l(:button_edit)}.merge(options)), url, :target => '_blank'
                 end
               end
               def sanitize_anchor_name(anchor)
                 anchor.gsub(%r{[^\s\-\p{Word}]}, '').gsub(%r{\s+(\-+\s*)?}, '-')
               end
               # Returns the javascript tags that are included in the html layout head
               def javascript_heads
                 tags = javascript_include_tag('jquery-1.11.1-ui-1.11.0-ujs-3.1.4', 'application', 'responsive')
                 unless User.current.pref.warn_on_leaving_unsaved == '0'
                   tags << "\n".html_safe + javascript_tag("$(window).load(function(){ warnLeavingUnsaved('#{escape_javascript l(:text_warn_on_leaving_unsaved)}'); });")
                 end
                 tags
               end
               def favicon
                 "<link rel='shortcut icon' href='#{favicon_path}' />".html_safe
               end
               # Returns the path to the favicon
               def favicon_path
                 icon = (current_theme && current_theme.favicon?) ? current_theme.favicon_path : '/favicon.ico'
                 image_path(icon)
               end
               # Returns the full URL to the favicon
               def favicon_url
                 # TODO: use #image_url introduced in Rails4
                 path = favicon_path
                 base = url_for(:controller => 'welcome', :action => 'index', :only_path => false)
                 base.sub(%r{/+$},'') + '/' + path.sub(%r{^/+},'')
               end
               def robot_exclusion_tag
                 '<meta name="robots" content="noindex,follow,noarchive" />'.html_safe
               end
               # Returns true if arg is expected in the API response
               def include_in_api_response?(arg)
                 unless @included_in_api_response
                   param = params[:include]
                   @included_in_api_response = param.is_a?(Array) ? param.collect(&:to_s) : param.to_s.split(',')
                   @included_in_api_response.collect!(&:strip)
                 end
                 @included_in_api_response.include?(arg.to_s)
               end
               # Returns options or nil if nometa param or X-Redmine-Nometa header
               # was set in the request
               def api_meta(options)
                 if params[:nometa].present? || request.headers['X-Redmine-Nometa']
                   # compatibility mode for activeresource clients that raise
                   # an error when deserializing an array with attributes
                   nil
                 else
                   options
                 end
               end
               def generate_csv(&block)
                 decimal_separator = l(:general_csv_decimal_separator)
                 encoding = l(:general_csv_encoding)
               end
               private
               def wiki_helper
                 helper = Redmine::WikiFormatting.helper_for(Setting.text_formatting)
                 extend helper
                 return self
               end
-              def link_to_content_update(text, url_params = {}, html_options = {})
-                link_to(text, url_params, html_options)
-              end
             end

app/helpers/calendars_helper.rb +1 -1

             # encoding: utf-8
             #
             # Redmine - project management software
             # Copyright (C) 2006-2016  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 CalendarsHelper
               def link_to_previous_month(year, month, options={})
                 target_year, target_month = if month == 1
                                               [year - 1, 12]
                                             else
                                               [year, month - 1]
                                             end
                 name = if target_month == 12
                          "#{month_name(target_month)} #{target_year}"
                        else
                          "#{month_name(target_month)}"
                        end
                 # \xc2\xab(utf-8) = &#171;
                 link_to_month(("\xc2\xab " + name), target_year, target_month, options)
               end
               def link_to_next_month(year, month, options={})
                 target_year, target_month = if month == 12
                                               [year + 1, 1]
                                             else
                                               [year, month + 1]
                                             end
                 name = if target_month == 1
                          "#{month_name(target_month)} #{target_year}"
                        else
                          "#{month_name(target_month)}"
                        end
                 # \xc2\xbb(utf-8) = &#187;
                 link_to_month((name + " \xc2\xbb"), target_year, target_month, options)
               end
               def link_to_month(link_name, year, month, options={})
-                link_to_content_update(h(link_name), params.merge(:year => year, :month => month), options)
+                link_to(link_name, params.merge(:year => year, :month => month), options)
               end
             end

app/helpers/gantt_helper.rb +2 -2

             # encoding: utf-8
             #
             # Redmine - project management software
             # Copyright (C) 2006-2016  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 GanttHelper
               def gantt_zoom_link(gantt, in_or_out)
                 case in_or_out
                 when :in
                   if gantt.zoom < 4
-                    link_to_content_update l(:text_zoom_in),
+                    link_to l(:text_zoom_in),
                       params.merge(gantt.params.merge(:zoom => (gantt.zoom + 1))),
                       :class => 'icon icon-zoom-in'
                   else
                     content_tag(:span, l(:text_zoom_in), :class => 'icon icon-zoom-in').html_safe
                   end
                 when :out
                   if gantt.zoom > 1
-                    link_to_content_update l(:text_zoom_out),
+                    link_to l(:text_zoom_out),
                       params.merge(gantt.params.merge(:zoom => (gantt.zoom - 1))),
                       :class => 'icon icon-zoom-out'
                   else
                     content_tag(:span, l(:text_zoom_out), :class => 'icon icon-zoom-out').html_safe
                   end
                 end
               end
             end

app/helpers/sort_helper.rb +1 -1

             # encoding: utf-8
             #
             # Helpers to sort tables using clickable column headers.
             #
             # Author:  Stuart Rackham <srackham@methods.co.nz>, March 2005.
             #          Jean-Philippe Lang, 2009
             # License: This source code is released under the MIT license.
             #
             # - Consecutive clicks toggle the column's sort order.
             # - Sort state is maintained by a session hash entry.
             # - CSS classes identify sort column and state.
             # - Typically used in conjunction with the Pagination module.
             #
             # Example code snippets:
             #
             # Controller:
             #
             #   helper :sort
             #   include SortHelper
             #
             #   def list
             #     sort_init 'last_name'
             #     sort_update %w(first_name last_name)
             #     @items = Contact.find_all nil, sort_clause
             #   end
             #
             # Controller (using Pagination module):
             #
             #   helper :sort
             #   include SortHelper
             #
             #   def list
             #     sort_init 'last_name'
             #     sort_update %w(first_name last_name)
             #     @contact_pages, @items = paginate :contacts,
             #       :order_by => sort_clause,
             #       :per_page => 10
             #   end
             #
             # View (table header in list.rhtml):
             #
             #   <thead>
             #     <tr>
             #       <%= sort_header_tag('id', :title => 'Sort by contact ID') %>
             #       <%= sort_header_tag('last_name', :caption => 'Name') %>
             #       <%= sort_header_tag('phone') %>
             #       <%= sort_header_tag('address', :width => 200) %>
             #     </tr>
             #   </thead>
             #
             # - Introduces instance variables: @sort_default, @sort_criteria
             # - Introduces param :sort
             #
             module SortHelper
               class SortCriteria
                 def initialize
                   @criteria = []
                 end
                 def available_criteria=(criteria)
                   unless criteria.is_a?(Hash)
                     criteria = criteria.inject({}) {|h,k| h[k] = k; h}
                   end
                   @available_criteria = criteria
                 end
                 def from_param(param)
                   @criteria = param.to_s.split(',').collect {|s| s.split(':')[0..1]}
                   normalize!
                 end
                 def criteria=(arg)
                   @criteria = arg
                   normalize!
                 end
                 def to_param
                   @criteria.collect {|k,o| k + (o ? '' : ':desc')}.join(',')
                 end
                 # Returns an array of SQL fragments used to sort the list
                 def to_sql
                   sql = @criteria.collect do |k,o|
                     if s = @available_criteria[k]
                       s = [s] unless s.is_a?(Array)
                       s.collect {|c| append_order(c, o ? "ASC" : "DESC")}
                     end
                   end.flatten.compact
                   sql.blank? ? nil : sql
                 end
                 def to_a
                   @criteria.dup
                 end
                 def add!(key, asc)
                   @criteria.delete_if {|k,o| k == key}
                   @criteria = [[key, asc]] + @criteria
                   normalize!
                 end
                 def add(*args)
                   r = self.class.new.from_param(to_param)
                   r.add!(*args)
                   r
                 end
                 def first_key
                   @criteria.first && @criteria.first.first
                 end
                 def first_asc?
                   @criteria.first && @criteria.first.last
                 end
                 def empty?
                   @criteria.empty?
                 end
                 private
                 def normalize!
                   @criteria ||= []
                   @criteria = @criteria.collect {|s| s = Array(s); [s.first, (s.last == false || s.last == 'desc') ? false : true]}
                   @criteria = @criteria.select {|k,o| @available_criteria.has_key?(k)} if @available_criteria
                   @criteria.slice!(3)
                   self
                 end
                 # Appends ASC/DESC to the sort criterion unless it has a fixed order
                 def append_order(criterion, order)
                   if criterion =~ / (asc|desc)$/i
                     criterion
                   else
                     "#{criterion} #{order}"
                   end
                 end
                 # Appends DESC to the sort criterion unless it has a fixed order
                 def append_desc(criterion)
                   append_order(criterion, "DESC")
                 end
               end
               def sort_name
                 controller_name + '_' + action_name + '_sort'
               end
               # Initializes the default sort.
               # Examples:
               #
               #   sort_init 'name'
               #   sort_init 'id', 'desc'
               #   sort_init ['name', ['id', 'desc']]
               #   sort_init [['name', 'desc'], ['id', 'desc']]
               #
               def sort_init(*args)
                 case args.size
                 when 1
                   @sort_default = args.first.is_a?(Array) ? args.first : [[args.first]]
                 when 2
                   @sort_default = [[args.first, args.last]]
                 else
                   raise ArgumentError
                 end
               end
               # Updates the sort state. Call this in the controller prior to calling
               # sort_clause.
               # - criteria can be either an array or a hash of allowed keys
               #
               def sort_update(criteria, sort_name=nil)
                 sort_name ||= self.sort_name
                 @sort_criteria = SortCriteria.new
                 @sort_criteria.available_criteria = criteria
                 @sort_criteria.from_param(params[:sort] || session[sort_name])
                 @sort_criteria.criteria = @sort_default if @sort_criteria.empty?
                 session[sort_name] = @sort_criteria.to_param
               end
               # Clears the sort criteria session data
               #
               def sort_clear
                 session[sort_name] = nil
               end
               # Returns an SQL sort clause corresponding to the current sort state.
               # Use this to sort the controller's table items collection.
               #
               def sort_clause()
                 @sort_criteria.to_sql
               end
               def sort_criteria
                 @sort_criteria
               end
               # Returns a link which sorts by the named column.
               #
               # - column is the name of an attribute in the sorted record collection.
               # - the optional caption explicitly specifies the displayed link text.
               # - 2 CSS classes reflect the state of the link: sort and asc or desc
               #
               def sort_link(column, caption, default_order)
                 css, order = nil, default_order
                 if column.to_s == @sort_criteria.first_key
                   if @sort_criteria.first_asc?
                     css = 'sort asc'
                     order = 'desc'
                   else
                     css = 'sort desc'
                     order = 'asc'
                   end
                 end
                 caption = column.to_s.humanize unless caption
                 sort_options = { :sort => @sort_criteria.add(column.to_s, order).to_param }
                 url_options = params.merge(sort_options)
                  # Add project_id to url_options
                 url_options = url_options.merge(:project_id => params[:project_id]) if params.has_key?(:project_id)
-                link_to_content_update(h(caption), url_options, :class => css)
+                link_to(caption, url_options, :class => css)
               end
               # Returns a table header <th> tag with a sort link for the named column
               # attribute.
               #
               # Options:
               #   :caption     The displayed link name (defaults to titleized column name).
               #   :title       The tag's 'title' attribute (defaults to 'Sort by :caption').
               #
               # Other options hash entries generate additional table header tag attributes.
               #
               # Example:
               #
               #   <%= sort_header_tag('id', :title => 'Sort by contact ID', :width => 40) %>
               #
               def sort_header_tag(column, options = {})
                 caption = options.delete(:caption) || column.to_s.humanize
                 default_order = options.delete(:default_order) || 'asc'
                 options[:title] = l(:label_sort_by, "\"#{caption}\"") unless options[:title]
                 content_tag('th', sort_link(column, caption, default_order), options)
               end
               # Returns the css classes for the current sort order
               #
               # Example:
               #
               #   sort_css_classes
               #   # => "sort-by-created-on sort-desc"
               def sort_css_classes
                 if @sort_criteria.first_key
                   "sort-by-#{@sort_criteria.first_key.to_s.dasherize} sort-#{@sort_criteria.first_asc? ? 'asc' : 'desc'}"
                 end
               end
             end

app/views/activities/index.html.erb +2 -2

             <h2><%= @author.nil? ? l(:label_activity) : l(:label_user_activity, link_to_user(@author)).html_safe %></h2>
             <p class="subtitle"><%= l(:label_date_from_to, :start => format_date(@date_to - @days), :end => format_date(@date_to-1)) %></p>
             <div id="activity">
             <% @events_by_day.keys.sort.reverse.each do |day| %>
             <h3><%= format_activity_day(day) %></h3>
             <dl>
             <% sort_activity_events(@events_by_day[day]).each do |e, in_group| -%>
               <dt class="<%= e.event_type %> <%= "grouped" if in_group %> <%= User.current.logged? && e.respond_to?(:event_author) && User.current == e.event_author ? 'me' : nil %>">
               <%= avatar(e.event_author, :size => "24") if e.respond_to?(:event_author) %>
               <span class="time"><%= format_time(e.event_datetime, false) %></span>
               <%= content_tag('span', e.project, :class => 'project') if @project.nil? || @project != e.project %>
               <%= link_to format_activity_title(e.event_title), e.event_url %>
               </dt>
               <dd class="<%= "grouped" if in_group %>"><span class="description"><%= format_activity_description(e.event_description) %></span>
               <span class="author"><%= link_to_user(e.event_author) if e.respond_to?(:event_author) %></span></dd>
             <% end -%>
             </dl>
             <% end -%>
             </div>
             <%= content_tag('p', l(:label_no_data), :class => 'nodata') if @events_by_day.empty? %>
             <span class="pagination">
               <ul class="pages">
                 <li class="previous page">
-            <%= link_to_content_update("\xc2\xab " + l(:label_previous),
+            <%= link_to("\xc2\xab " + l(:label_previous),
                                params.merge(:from => @date_to - @days - 1),
                                :title => l(:label_date_from_to, :start => format_date(@date_to - 2*@days), :end => format_date(@date_to - @days - 1)),
                                :accesskey => accesskey(:previous)) %>
                 </li><% unless @date_to >= User.current.today %><li class="next page">
-            <%= link_to_content_update(l(:label_next) + " \xc2\xbb",
+            <%= link_to(l(:label_next) + " \xc2\xbb",
                                params.merge(:from => @date_to + @days - 1),
                                :title => l(:label_date_from_to, :start => format_date(@date_to), :end => format_date(@date_to + @days - 1)),
                                :accesskey => accesskey(:next)) %><% end %>
                 </li>
               </ul>
             </span>
             &nbsp;
             <% other_formats_links do |f| %>
               <%= f.link_to 'Atom', :url => params.merge(:from => nil, :key => User.current.rss_key) %>
             <% end %>
             <% content_for :header_tags do %>
             <%= auto_discovery_link_tag(:atom, params.merge(:format => 'atom', :from => nil, :key => User.current.rss_key)) %>
             <% end %>
             <% content_for :sidebar do %>
             <%= form_tag({}, :method => :get) do %>
             <h3><%= l(:label_activity) %></h3>
             <ul>
             <% @activity.event_types.each do |t| %>
               <li>
                 <%= check_box_tag "show_#{t}", 1, @activity.scope.include?(t) %>
                 <label for="show_<%=t%>">
                   <%= link_to(l("label_#{t.singularize}_plural"),
                               {"show_#{t}" => 1, :user_id => params[:user_id], :from => params[:from]})%>
                 </label>
               </li>
             <% end %>
             </ul>
             <% if @project && @project.descendants.active.any? %>
                 <%= hidden_field_tag 'with_subprojects', 0, :id => nil %>
                 <p><label><%= check_box_tag 'with_subprojects', 1, @with_subprojects %> <%=l(:label_subproject_plural)%></label></p>
             <% end %>
             <%= hidden_field_tag('user_id', params[:user_id]) unless params[:user_id].blank? %>
             <%= hidden_field_tag('from', params[:from]) unless params[:from].blank? %>
             <p><%= submit_tag l(:button_apply), :class => 'button-small', :name => 'submit' %></p>
             <% end %>
             <% end %>
             <% html_title(l(:label_activity), @author) -%>

app/views/gantts/show.html.erb +2 -2

             <% @gantt.view = self %>
             <div class="contextual">
             <% if !@query.new_record? && @query.editable_by?(User.current) %>
               <%= link_to l(:button_edit), edit_query_path(@query, :gantt => 1), :class => 'icon icon-edit' %>
               <%= delete_link query_path(@query, :gantt => 1) %>
             <% end %>
             </div>
             <h2><%= @query.new_record? ? l(:label_gantt) : @query.name %></h2>
             <%= form_tag({:controller => 'gantts', :action => 'show',
                          :project_id => @project, :month => params[:month],
                          :year => params[:year], :months => params[:months]},
                          :method => :get, :id => 'query_form') do %>
             <%= hidden_field_tag 'set_filter', '1' %>
             <%= hidden_field_tag 'gantt', '1' %>
             <fieldset id="filters" class="collapsible <%= @query.new_record? ? "" : "collapsed" %>">
               <legend onclick="toggleFieldset(this);"><%= l(:label_filter_plural) %></legend>
               <div style="<%= @query.new_record? ? "" : "display: none;" %>">
                 <%= render :partial => 'queries/filters', :locals => {:query => @query} %>
               </div>
             </fieldset>
             <fieldset id="options" class="collapsible collapsed">
               <legend onclick="toggleFieldset(this);"><%= l(:label_options) %></legend>
               <div style="display: none;">
                 <table>
                   <tr>
                     <td>
                       <fieldset>
                         <legend><%= l(:label_related_issues) %></legend>
                         <label for="draw_relations">
                           <%= check_box 'query', 'draw_relations', :id => 'draw_relations' %>
                           <% rels = [IssueRelation::TYPE_BLOCKS, IssueRelation::TYPE_PRECEDES] %>
                           <% rels.each do |rel| %>
                             <% color = Redmine::Helpers::Gantt::DRAW_TYPES[rel][:color] %>
                             <%= content_tag(:span, '&nbsp;&nbsp;&nbsp;'.html_safe,
                                             :style => "background-color: #{color}") %>
                             <%= l(IssueRelation::TYPES[rel][:name]) %>
                           <% end %>
                         </label>
                       </fieldset>
                     </td>
                     <td>
                       <fieldset>
                         <legend><%= l(:label_gantt_progress_line) %></legend>
                         <label for="draw_progress_line">
                           <%= check_box 'query', 'draw_progress_line', :id => 'draw_progress_line' %>
                           <%= l(:label_display) %>
                         </label>
                       </fieldset>
                     </td>
                   </tr>
                 </table>
               </div>
             </fieldset>
             <p class="contextual">
               <%= gantt_zoom_link(@gantt, :in) %>
               <%= gantt_zoom_link(@gantt, :out) %>
             </p>
             <p class="buttons">
             <%= text_field_tag 'months', @gantt.months, :size => 2 %>
             <%= l(:label_months_from) %>
             <%= select_month(@gantt.month_from, :prefix => "month", :discard_type => true) %>
             <%= select_year(@gantt.year_from, :prefix => "year", :discard_type => true) %>
             <%= hidden_field_tag 'zoom', @gantt.zoom %>
             <%= link_to_function l(:button_apply), '$("#query_form").submit()',
                                  :class => 'icon icon-checked' %>
             <%= link_to l(:button_clear), { :project_id => @project, :set_filter => 1 },
                         :class => 'icon icon-reload' %>
             <% if @query.new_record? && User.current.allowed_to?(:save_queries, @project, :global => true) %>
               <%= link_to_function l(:button_save),
                                    "$('#query_form').attr('action', '#{ @project ? new_project_query_path(@project) : new_query_path }').submit();",
                                    :class => 'icon icon-save' %>
             <% end %>
             </p>
             <% end %>
             <%= error_messages_for 'query' %>
             <% if @query.valid? %>
             <%
               zoom = 1
               @gantt.zoom.times { zoom = zoom * 2 }
               subject_width = 330
               header_height = 18
               headers_height = header_height
               show_weeks = false
               show_days  = false
               show_day_num = false
               if @gantt.zoom > 1
                 show_weeks = true
                 headers_height = 2 * header_height
                 if @gantt.zoom > 2
                     show_days = true
                     headers_height = 3 * header_height
                     if @gantt.zoom > 3
                       show_day_num = true
                       headers_height = 4 * header_height
                     end
                 end
               end
               # Width of the entire chart
               g_width = ((@gantt.date_to - @gantt.date_from + 1) * zoom).to_i
               @gantt.render(:top => headers_height + 8,
                             :zoom => zoom,
                             :g_width => g_width,
                             :subject_width => subject_width)
               g_height = [(20 * (@gantt.number_of_rows + 6)) + 150, 206].max
               t_height = g_height + headers_height
             %>
             <% if @gantt.truncated %>
               <p class="warning"><%= l(:notice_gantt_chart_truncated, :max => @gantt.max_rows) %></p>
             <% end %>
             <table style="width:100%; border:0; border-collapse: collapse;">
             <tr>
             <td style="width:<%= subject_width %>px; padding:0px;">
               <%
                 style  = ""
                 style += "position:relative;"
                 style += "height: #{t_height + 24}px;"
                 style += "width: #{subject_width + 1}px;"
               %>
               <%= content_tag(:div, :style => style) do %>
                 <%
                   style  = ""
                   style += "right:-2px;"
                   style += "width: #{subject_width}px;"
                   style += "height: #{headers_height}px;"
                   style += 'background: #eee;'
                 %>
                 <%= content_tag(:div, "", :style => style, :class => "gantt_hdr") %>
                 <%
                   style  = ""
                   style += "right:-2px;"
                   style += "width: #{subject_width}px;"
                   style += "height: #{t_height}px;"
                   style += 'border-left: 1px solid #c0c0c0;'
                   style += 'overflow: hidden;'
                 %>
                 <%= content_tag(:div, "", :style => style, :class => "gantt_hdr") %>
                 <%= content_tag(:div, :class => "gantt_subjects") do %>
                   <%= @gantt.subjects.html_safe %>
                 <% end %>
               <% end %>
             </td>
             <td>
             <div style="position:relative;height:<%= t_height + 24 %>px;overflow:auto;" id="gantt_area">
             <%
               style  = ""
               style += "width: #{g_width - 1}px;"
               style += "height: #{headers_height}px;"
               style += 'background: #eee;'
             %>
             <%= content_tag(:div, '&nbsp;'.html_safe, :style => style, :class => "gantt_hdr") %>
             <% ###### Months headers ###### %>
             <%
               month_f = @gantt.date_from
               left = 0
               height = (show_weeks ? header_height : header_height + g_height)
             %>
             <% @gantt.months.times do %>
               <%
                 width = (((month_f >> 1) - month_f) * zoom - 1).to_i
                 style  = ""
                 style += "left: #{left}px;"
                 style += "width: #{width}px;"
                 style += "height: #{height}px;"
               %>
               <%= content_tag(:div, :style => style, :class => "gantt_hdr") do %>
                 <%= link_to "#{month_f.year}-#{month_f.month}",
                             @gantt.params.merge(:year => month_f.year, :month => month_f.month),
                             :title => "#{month_name(month_f.month)} #{month_f.year}" %>
               <% end %>
               <%
                 left = left + width + 1
                 month_f = month_f >> 1
               %>
             <% end %>
             <% ###### Weeks headers ###### %>
             <% if show_weeks %>
               <%
                 left = 0
                 height = (show_days ? header_height - 1 : header_height - 1 + g_height)
               %>
               <% if @gantt.date_from.cwday == 1 %>
                 <%
                   # @date_from is monday
                   week_f = @gantt.date_from
                 %>
               <% else %>
                 <%
                   # find next monday after @date_from
                   week_f = @gantt.date_from + (7 - @gantt.date_from.cwday + 1)
                   width = (7 - @gantt.date_from.cwday + 1) * zoom - 1
                   style  = ""
                   style += "left: #{left}px;"
                   style += "top: 19px;"
                   style += "width: #{width}px;"
                   style += "height: #{height}px;"
                 %>
                 <%= content_tag(:div, '&nbsp;'.html_safe,
                                 :style => style, :class => "gantt_hdr") %>
                 <% left = left + width + 1 %>
               <% end %>
               <% while week_f <= @gantt.date_to %>
                 <%
                   width = ((week_f + 6 <= @gantt.date_to) ?
 * zoom - 1 :
                               (@gantt.date_to - week_f + 1) * zoom - 1).to_i
                   style  = ""
                   style += "left: #{left}px;"
                   style += "top: 19px;"
                   style += "width: #{width}px;"
                   style += "height: #{height}px;"
                 %>
                 <%= content_tag(:div, :style => style, :class => "gantt_hdr") do %>
                   <%= content_tag(:small) do %>
                     <%= week_f.cweek if width >= 16 %>
                   <% end %>
                 <% end %>
                 <%
                   left = left + width + 1
                   week_f = week_f + 7
                 %>
               <% end %>
             <% end %>
             <% ###### Day numbers headers ###### %>
             <% if show_day_num %>
               <%
                 left = 0
                 height = g_height + header_height*2 - 1
                 wday = @gantt.date_from.cwday
                 day_num = @gantt.date_from
               %>
               <% (@gantt.date_to - @gantt.date_from + 1).to_i.times do %>
                 <%
                   width =  zoom - 1
                   style = ""
                   style += "left:#{left}px;"
                   style += "top:37px;"
                   style += "width:#{width}px;"
                   style += "height:#{height}px;"
                   style += "font-size:0.7em;"
                   clss = "gantt_hdr"
                   clss << " nwday" if @gantt.non_working_week_days.include?(wday)
                 %>
                 <%= content_tag(:div, :style => style, :class => clss) do %>
                   <%= day_num.day %>
                 <% end %>
                 <%
                  left = left + width+1
                  day_num = day_num + 1
                  wday = wday + 1
                  wday = 1 if wday > 7
                 %>
               <% end %>
             <% end %>
             <% ###### Days headers ####### %>
             <% if show_days %>
               <%
                 left = 0
                 height = g_height + header_height - 1
                 top = (show_day_num ? 55 : 37)
                 wday = @gantt.date_from.cwday
               %>
               <% (@gantt.date_to - @gantt.date_from + 1).to_i.times do %>
                 <%
                   width =  zoom - 1
                   style  = ""
                   style += "left: #{left}px;"
                   style += "top: #{top}px;"
                   style += "width: #{width}px;"
                   style += "height: #{height}px;"
                   style += "font-size:0.7em;"
                   clss = "gantt_hdr"
                   clss << " nwday" if @gantt.non_working_week_days.include?(wday)
                 %>
                 <%= content_tag(:div, :style => style, :class => clss) do %>
                   <%= day_letter(wday) %>
                 <% end %>
                 <%
                   left = left + width + 1
                   wday = wday + 1
                   wday = 1 if wday > 7
                 %>
               <% end %>
             <% end %>
             <%= @gantt.lines.html_safe %>
             <% ###### Today red line (excluded from cache) ###### %>
             <% if User.current.today >= @gantt.date_from and User.current.today <= @gantt.date_to %>
               <%
                 today_left = (((User.current.today - @gantt.date_from + 1) * zoom).floor() - 1).to_i
                 style  = ""
                 style += "position: absolute;"
                 style += "height: #{g_height}px;"
                 style += "top: #{headers_height + 1}px;"
                 style += "left: #{today_left}px;"
                 style += "width:10px;"
                 style += "border-left: 1px dashed red;"
               %>
               <%= content_tag(:div, '&nbsp;'.html_safe, :style => style, :id => 'today_line') %>
             <% end %>
             <%
               style  = ""
               style += "position: absolute;"
               style += "height: #{g_height}px;"
               style += "top: #{headers_height + 1}px;"
               style += "left: 0px;"
               style += "width: #{g_width - 1}px;"
             %>
             <%= content_tag(:div, '', :style => style, :id => "gantt_draw_area") %>
             </div>
             </td>
             </tr>
             </table>
             <table style="width:100%">
             <tr>
               <td style="text-align:left;">
-                <%= link_to_content_update("\xc2\xab " + l(:label_previous),
+                <%= link_to("\xc2\xab " + l(:label_previous),
                                            params.merge(@gantt.params_previous),
                                            :accesskey => accesskey(:previous)) %>
               </td>
               <td style="text-align:right;">
-                <%= link_to_content_update(l(:label_next) + " \xc2\xbb",
+                <%= link_to(l(:label_next) + " \xc2\xbb",
                                            params.merge(@gantt.params_next),
                                            :accesskey => accesskey(:next)) %>
               </td>
             </tr>
             </table>
             <% other_formats_links do |f| %>
               <%= f.link_to 'PDF', :url => params.merge(@gantt.params) %>
               <%= f.link_to('PNG', :url => params.merge(@gantt.params)) if @gantt.respond_to?('to_image') %>
             <% end %>
             <% end # query.valid? %>
             <% content_for :sidebar do %>
               <%= render :partial => 'issues/sidebar' %>
             <% end %>
             <% html_title(l(:label_gantt)) -%>
             <% content_for :header_tags do %>
               <%= javascript_include_tag 'raphael' %>
               <%= javascript_include_tag 'gantt' %>
             <% end %>
             <%= javascript_tag do %>
               var issue_relation_type = <%= raw Redmine::Helpers::Gantt::DRAW_TYPES.to_json %>;
               $(document).ready(drawGanttHandler);
               $(window).resize(drawGanttHandler);
               $(function() {
                 $("#draw_relations").change(drawGanttHandler);
                 $("#draw_progress_line").change(drawGanttHandler);
               });
             <% end %>

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