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# redMine - project management software
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# Copyright (C) 2006-2007 Jean-Philippe Lang
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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class RedCloth
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# Patch for RedCloth. Fixed in RedCloth r128 but _why hasn't released it yet.
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# <a href="http://code.whytheluckystiff.net/redcloth/changeset/128">http://code.whytheluckystiff.net/redcloth/changeset/128</a>
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def hard_break( text )
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text.gsub!( /(.)\n(?!\n|\Z| *([#*=]+(\s|$)|[{|]))/, "\\1<br />" ) if hard_breaks
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end
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end
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module ApplicationHelper
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def current_role
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@current_role ||= User.current.role_for_project(@project)
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end
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# Return true if user is authorized for controller/action, otherwise false
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def authorize_for(controller, action)
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User.current.allowed_to?({:controller => controller, :action => action}, @project)
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end
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# Display a link if user is authorized
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def link_to_if_authorized(name, options = {}, html_options = nil, *parameters_for_method_reference)
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link_to(name, options, html_options, *parameters_for_method_reference) if authorize_for(options[:controller] || params[:controller], options[:action])
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end
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# Display a link to user's account page
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def link_to_user(user)
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link_to user.name, :controller => 'account', :action => 'show', :id => user
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end
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def link_to_issue(issue)
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link_to "#{issue.tracker.name} ##{issue.id}", :controller => "issues", :action => "show", :id => issue
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end
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def toggle_link(name, id, options={})
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onclick = "Element.toggle('#{id}'); "
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onclick << (options[:focus] ? "Form.Element.focus('#{options[:focus]}'); " : "this.blur(); ")
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onclick << "return false;"
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link_to(name, "#", :onclick => onclick)
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end
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def image_to_function(name, function, html_options = {})
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html_options.symbolize_keys!
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tag(:input, html_options.merge({
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:type => "image", :src => image_path(name),
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:onclick => (html_options[:onclick] ? "#{html_options[:onclick]}; " : "") + "#{function};"
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}))
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end
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def prompt_to_remote(name, text, param, url, html_options = {})
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html_options[:onclick] = "promptToRemote('#{text}', '#{param}', '#{url_for(url)}'); return false;"
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link_to name, {}, html_options
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end
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def format_date(date)
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return nil unless date
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@date_format_setting ||= Setting.date_format.to_i
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@date_format_setting == 0 ? l_date(date) : date.strftime("%Y-%m-%d")
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end
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def format_time(time)
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return nil unless time
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@date_format_setting ||= Setting.date_format.to_i
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time = time.to_time if time.is_a?(String)
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@date_format_setting == 0 ? l_datetime(time) : (time.strftime("%Y-%m-%d") + ' ' + l_time(time))
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end
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def day_name(day)
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l(:general_day_names).split(',')[day-1]
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end
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def month_name(month)
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l(:actionview_datehelper_select_month_names).split(',')[month-1]
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end
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def pagination_links_full(paginator, options={}, html_options={})
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page_param = options.delete(:page_param) || :page
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html = ''
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html << link_to_remote(('« ' + l(:label_previous)),
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{:update => "content", :url => options.merge(page_param => paginator.current.previous)},
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{:href => url_for(:params => options.merge(page_param => paginator.current.previous))}) + ' ' if paginator.current.previous
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html << (pagination_links_each(paginator, options) do |n|
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link_to_remote(n.to_s,
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{:url => {:params => options.merge(page_param => n)}, :update => 'content'},
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{:href => url_for(:params => options.merge(page_param => n))})
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end || '')
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html << ' ' + link_to_remote((l(:label_next) + ' »'),
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{:update => "content", :url => options.merge(page_param => paginator.current.next)},
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{:href => url_for(:params => options.merge(page_param => paginator.current.next))}) if paginator.current.next
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html
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end
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# textilize text according to system settings and RedCloth availability
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def textilizable(text, options = {})
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return "" if text.blank?
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# different methods for formatting wiki links
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case options[:wiki_links]
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when :local
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# used for local links to html files
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format_wiki_link = Proc.new {|project, title| "#{title}.html" }
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when :anchor
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# used for single-file wiki export
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format_wiki_link = Proc.new {|project, title| "##{title}" }
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else
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format_wiki_link = Proc.new {|project, title| url_for :controller => 'wiki', :action => 'index', :id => project, :page => title }
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end
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project = options[:project] || @project
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# turn wiki links into html links
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# example:
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# [[mypage]]
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# [[mypage|mytext]]
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# wiki links can refer other project wikis, using project name or identifier:
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# [[project:]] -> wiki starting page
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# [[project:|mytext]]
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# [[project:mypage]]
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# [[project:mypage|mytext]]
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text = text.gsub(/\[\[([^\]\|]+)(\|([^\]\|]+))?\]\]/) do |m|
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link_project = project
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page = $1
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title = $3
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if page =~ /^([^\:]+)\:(.*)$/
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link_project = Project.find_by_name($1) || Project.find_by_identifier($1)
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page = title || $2
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title = $1 if page.blank?
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end
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link_to((title || page), format_wiki_link.call(link_project, Wiki.titleize(page)), :class => 'wiki-page')
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end
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# turn issue ids into links
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# example:
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# #52 -> <a href="/issues/show/52">#52</a>
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text = text.gsub(/#(\d+)(?=\b)/) {|m| link_to "##{$1}", {:controller => 'issues', :action => 'show', :id => $1}, :class => 'issue' }
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# turn revision ids into links (@project needed)
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# example:
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# r52 -> <a href="/repositories/revision/6?rev=52">r52</a> (@project.id is 6)
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text = text.gsub(/(?=\b)r(\d+)(?=\b)/) {|m| link_to "r#{$1}", {:controller => 'repositories', :action => 'revision', :id => project.id, :rev => $1}, :class => 'changeset' } if project
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# when using an image link, try to use an attachment, if possible
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attachments = options[:attachments]
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if attachments
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text = text.gsub(/!([<>=]*)(\S+\.(gif|jpg|jpeg|png))!/) do |m|
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align = $1
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filename = $2
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rf = Regexp.new(filename, Regexp::IGNORECASE)
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# search for the picture in attachments
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if found = attachments.detect { |att| att.filename =~ rf }
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image_url = url_for :controller => 'attachments', :action => 'download', :id => found.id
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"!#{align}#{image_url}!"
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else
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"!#{align}#{filename}!"
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end
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end
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end
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# finally textilize text
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@do_textilize ||= (Setting.text_formatting == 'textile') && (ActionView::Helpers::TextHelper.method_defined? "textilize")
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text = @do_textilize ? auto_link(RedCloth.new(text, [:hard_breaks]).to_html) : simple_format(auto_link(h(text)))
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end
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# Same as Rails' simple_format helper without using paragraphs
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def simple_format_without_paragraph(text)
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text.to_s.
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gsub(/\r\n?/, "\n"). # \r\n and \r -> \n
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gsub(/\n\n+/, "<br /><br />"). # 2+ newline -> 2 br
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gsub(/([^\n]\n)(?=[^\n])/, '\1<br />') # 1 newline -> br
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end
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def error_messages_for(object_name, options = {})
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options = options.symbolize_keys
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object = instance_variable_get("@#{object_name}")
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if object && !object.errors.empty?
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# build full_messages here with controller current language
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full_messages = []
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object.errors.each do |attr, msg|
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next if msg.nil?
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msg = msg.first if msg.is_a? Array
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if attr == "base"
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full_messages << l(msg)
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else
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full_messages << "« " + (l_has_string?("field_" + attr) ? l("field_" + attr) : object.class.human_attribute_name(attr)) + " » " + l(msg) unless attr == "custom_values"
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end
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end
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# retrieve custom values error messages
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if object.errors[:custom_values]
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object.custom_values.each do |v|
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v.errors.each do |attr, msg|
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next if msg.nil?
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msg = msg.first if msg.is_a? Array
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full_messages << "« " + v.custom_field.name + " » " + l(msg)
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end
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end
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end
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content_tag("div",
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content_tag(
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options[:header_tag] || "span", lwr(:gui_validation_error, full_messages.length) + ":"
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) +
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content_tag("ul", full_messages.collect { |msg| content_tag("li", msg) }),
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"id" => options[:id] || "errorExplanation", "class" => options[:class] || "errorExplanation"
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)
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else
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""
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end
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end
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def lang_options_for_select(blank=true)
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(blank ? [["(auto)", ""]] : []) +
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GLoc.valid_languages.collect{|lang| [ ll(lang.to_s, :general_lang_name), lang.to_s]}.sort{|x,y| x.first <=> y.first }
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end
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def label_tag_for(name, option_tags = nil, options = {})
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label_text = l(("field_"+field.to_s.gsub(/\_id$/, "")).to_sym) + (options.delete(:required) ? @template.content_tag("span", " *", :class => "required"): "")
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content_tag("label", label_text)
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end
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def labelled_tabular_form_for(name, object, options, &proc)
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options[:html] ||= {}
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options[:html].store :class, "tabular"
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form_for(name, object, options.merge({ :builder => TabularFormBuilder, :lang => current_language}), &proc)
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end
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def check_all_links(form_name)
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link_to_function(l(:button_check_all), "checkAll('#{form_name}', true)") +
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" | " +
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link_to_function(l(:button_uncheck_all), "checkAll('#{form_name}', false)")
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end
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def calendar_for(field_id)
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image_tag("calendar.png", {:id => "#{field_id}_trigger",:class => "calendar-trigger"}) +
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javascript_tag("Calendar.setup({inputField : '#{field_id}', ifFormat : '%Y-%m-%d', button : '#{field_id}_trigger' });")
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end
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def wikitoolbar_for(field_id)
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return '' unless Setting.text_formatting == 'textile'
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javascript_include_tag('jstoolbar') + javascript_tag("var toolbar = new jsToolBar($('#{field_id}')); toolbar.draw();")
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end
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end
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class TabularFormBuilder < ActionView::Helpers::FormBuilder
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include GLoc
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def initialize(object_name, object, template, options, proc)
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set_language_if_valid options.delete(:lang)
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@object_name, @object, @template, @options, @proc = object_name, object, template, options, proc
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end
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(field_helpers - %w(radio_button hidden_field) + %w(date_select)).each do |selector|
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src = <<-END_SRC
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def #{selector}(field, options = {})
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return super if options.delete :no_label
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label_text = l(options[:label]) if options[:label]
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label_text ||= l(("field_"+field.to_s.gsub(/\_id$/, "")).to_sym)
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label_text << @template.content_tag("span", " *", :class => "required") if options.delete(:required)
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label = @template.content_tag("label", label_text,
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:class => (@object && @object.errors[field] ? "error" : nil),
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:for => (@object_name.to_s + "_" + field.to_s))
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label + super
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end
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END_SRC
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class_eval src, __FILE__, __LINE__
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end
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def select(field, choices, options = {}, html_options = {})
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label_text = l(("field_"+field.to_s.gsub(/\_id$/, "")).to_sym) + (options.delete(:required) ? @template.content_tag("span", " *", :class => "required"): "")
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label = @template.content_tag("label", label_text,
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:class => (@object && @object.errors[field] ? "error" : nil),
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:for => (@object_name.to_s + "_" + field.to_s))
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label + super
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end
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end
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