Redmine/app/helpers/application_helper.rb

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# redMine - project management software
# Copyright (C) 2006-2007 Jean-Philippe Lang
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
module ApplicationHelper
def current_role
@current_role ||= User.current.role_for_project(@project)
end
# 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
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
# Display a link to user's account page
def link_to_user(user)
link_to user.name, :controller => 'account', :action => 'show', :id => user
end
def link_to_issue(issue)
link_to "#{issue.tracker.name} ##{issue.id}", :controller => "issues", :action => "show", :id => issue
end
def toggle_link(name, id, options={})
onclick = "Element.toggle('#{id}'); "
onclick << (options[:focus] ? "Form.Element.focus('#{options[:focus]}'); " : "this.blur(); ")
onclick << "return false;"
link_to(name, "#", :onclick => onclick)
end
def show_and_goto_link(name, id, options={})
onclick = "Element.show('#{id}'); "
onclick << (options[:focus] ? "Form.Element.focus('#{options[:focus]}'); " : "this.blur(); ")
onclick << "location.href='##{id}-anchor'; "
onclick << "return false;"
link_to(name, "#", options.merge(:onclick => onclick))
end
def image_to_function(name, function, html_options = {})
html_options.symbolize_keys!
tag(:input, html_options.merge({
:type => "image", :src => image_path(name),
:onclick => (html_options[:onclick] ? "#{html_options[:onclick]}; " : "") + "#{function};"
}))
end
def prompt_to_remote(name, text, param, url, html_options = {})
html_options[:onclick] = "promptToRemote('#{text}', '#{param}', '#{url_for(url)}'); return false;"
link_to name, {}, html_options
end
def format_date(date)
return nil unless date
@date_format ||= (Setting.date_format.to_i == 0 ? l(:general_fmt_date) : "%Y-%m-%d")
date.strftime(@date_format)
end
def format_time(time)
return nil unless time
@date_format_setting ||= Setting.date_format.to_i
time = time.to_time if time.is_a?(String)
@date_format_setting == 0 ? l_datetime(time) : (time.strftime("%Y-%m-%d") + ' ' + l_time(time))
end
def authoring(created, author)
time_tag = content_tag('acronym', distance_of_time_in_words(Time.now, created), :title => format_time(created))
l(:label_added_time_by, author.name, time_tag)
end
def day_name(day)
l(:general_day_names).split(',')[day-1]
end
def month_name(month)
l(:actionview_datehelper_select_month_names).split(',')[month-1]
end
def pagination_links_full(paginator, options={}, html_options={})
page_param = options.delete(:page_param) || :page
html = ''
html << link_to_remote(('&#171; ' + l(:label_previous)),
{:update => "content", :url => options.merge(page_param => paginator.current.previous)},
{:href => url_for(:params => options.merge(page_param => paginator.current.previous))}) + ' ' if paginator.current.previous
html << (pagination_links_each(paginator, options) do |n|
link_to_remote(n.to_s,
{:url => {:params => options.merge(page_param => n)}, :update => 'content'},
{:href => url_for(:params => options.merge(page_param => n))})
end || '')
html << ' ' + link_to_remote((l(:label_next) + ' &#187;'),
{:update => "content", :url => options.merge(page_param => paginator.current.next)},
{:href => url_for(:params => options.merge(page_param => paginator.current.next))}) if paginator.current.next
html
end
def set_html_title(text)
@html_header_title = text
end
def html_title
title = []
title << @project.name if @project
title << @html_header_title
title << Setting.app_title
title.compact.join(' - ')
end
ACCESSKEYS = {:edit => 'e',
:preview => 'r',
:quick_search => 'f',
:search => '4',
}.freeze
def accesskey(s)
ACCESSKEYS[s]
end
# format text according to system settings
def textilizable(text, options = {})
return "" if text.blank?
# when using an image link, try to use an attachment, if possible
attachments = options[:attachments]
if attachments
text = text.gsub(/!([<>=]*)(\S+\.(gif|jpg|jpeg|png))!/) do |m|
align = $1
filename = $2
rf = Regexp.new(filename, Regexp::IGNORECASE)
# search for the picture in attachments
if found = attachments.detect { |att| att.filename =~ rf }
image_url = url_for :controller => 'attachments', :action => 'download', :id => found.id
"!#{align}#{image_url}!"
else
"!#{align}#{filename}!"
end
end
end
text = (Setting.text_formatting == 'textile') ?
Redmine::WikiFormatting.to_html(text) : simple_format(auto_link(h(text)))
# different methods for formatting wiki links
case options[:wiki_links]
when :local
# used for local links to html files
format_wiki_link = Proc.new {|project, title| "#{title}.html" }
when :anchor
# used for single-file wiki export
format_wiki_link = Proc.new {|project, title| "##{title}" }
else
format_wiki_link = Proc.new {|project, title| url_for :controller => 'wiki', :action => 'index', :id => project, :page => title }
end
project = options[:project] || @project
# turn wiki links into html links
# example:
# [[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]]
text = text.gsub(/\[\[([^\]\|]+)(\|([^\]\|]+))?\]\]/) do |m|
link_project = project
page = $1
title = $3
if page =~ /^([^\:]+)\:(.*)$/
link_project = Project.find_by_name($1) || Project.find_by_identifier($1)
page = title || $2
title = $1 if page.blank?
end
if link_project && link_project.wiki
# check if page exists
wiki_page = link_project.wiki.find_page(page)
link_to((title || page), format_wiki_link.call(link_project, Wiki.titleize(page)),
:class => ('wiki-page' + (wiki_page ? '' : ' new')))
else
# project or wiki doesn't exist
title || page
end
end
# turn issue and revision ids into links
# example:
# #52 -> <a href="/issues/show/52">#52</a>
# r52 -> <a href="/repositories/revision/6?rev=52">r52</a> (project.id is 6)
text = text.gsub(%r{([\s,-^])(#|r)(\d+)(?=[[:punct:]]|\s|<|$)}) do |m|
leading, otype, oid = $1, $2, $3
link = nil
if otype == 'r'
if project && (changeset = project.changesets.find_by_revision(oid))
link = link_to("r#{oid}", {:controller => 'repositories', :action => 'revision', :id => project.id, :rev => oid}, :class => 'changeset',
:title => truncate(changeset.comments, 100))
end
else
if issue = Issue.find_by_id(oid.to_i, :include => [:project, :status], :conditions => Project.visible_by(User.current))
link = link_to("##{oid}", {:controller => 'issues', :action => 'show', :id => oid}, :class => 'issue',
:title => "#{truncate(issue.subject, 100)} (#{issue.status.name})")
link = content_tag('del', link) if issue.closed?
end
end
leading + (link || "#{otype}#{oid}")
end
text
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
end
def error_messages_for(object_name, options = {})
options = options.symbolize_keys
object = instance_variable_get("@#{object_name}")
if object && !object.errors.empty?
# build full_messages here with controller current language
full_messages = []
object.errors.each do |attr, msg|
next if msg.nil?
msg = msg.first if msg.is_a? Array
if attr == "base"
full_messages << l(msg)
else
full_messages << "&#171; " + (l_has_string?("field_" + attr) ? l("field_" + attr) : object.class.human_attribute_name(attr)) + " &#187; " + l(msg) unless attr == "custom_values"
end
end
# retrieve custom values error messages
if object.errors[:custom_values]
object.custom_values.each do |v|
v.errors.each do |attr, msg|
next if msg.nil?
msg = msg.first if msg.is_a? Array
full_messages << "&#171; " + v.custom_field.name + " &#187; " + l(msg)
end
end
end
content_tag("div",
content_tag(
options[:header_tag] || "span", lwr(:gui_validation_error, full_messages.length) + ":"
) +
content_tag("ul", full_messages.collect { |msg| content_tag("li", msg) }),
"id" => options[:id] || "errorExplanation", "class" => options[:class] || "errorExplanation"
)
else
""
end
end
def lang_options_for_select(blank=true)
(blank ? [["(auto)", ""]] : []) +
GLoc.valid_languages.collect{|lang| [ ll(lang.to_s, :general_lang_name), lang.to_s]}.sort{|x,y| x.first <=> y.first }
end
def label_tag_for(name, option_tags = nil, options = {})
label_text = l(("field_"+field.to_s.gsub(/\_id$/, "")).to_sym) + (options.delete(:required) ? @template.content_tag("span", " *", :class => "required"): "")
content_tag("label", label_text)
end
def labelled_tabular_form_for(name, object, options, &proc)
options[:html] ||= {}
options[:html].store :class, "tabular"
form_for(name, object, options.merge({ :builder => TabularFormBuilder, :lang => current_language}), &proc)
end
def check_all_links(form_name)
link_to_function(l(:button_check_all), "checkAll('#{form_name}', true)") +
" | " +
link_to_function(l(:button_uncheck_all), "checkAll('#{form_name}', false)")
end
def context_menu_link(name, url, options={})
options[:class] ||= ''
if options.delete(:selected)
options[:class] << ' icon-checked disabled'
options[:disabled] = true
end
if options.delete(:disabled)
options.delete(:method)
options.delete(:confirm)
options.delete(:onclick)
options[:class] << ' disabled'
url = '#'
end
link_to name, url, options
end
def calendar_for(field_id)
image_tag("calendar.png", {:id => "#{field_id}_trigger",:class => "calendar-trigger"}) +
javascript_tag("Calendar.setup({inputField : '#{field_id}', ifFormat : '%Y-%m-%d', button : '#{field_id}_trigger' });")
end
def wikitoolbar_for(field_id)
return '' unless Setting.text_formatting == 'textile'
javascript_include_tag('jstoolbar') + javascript_tag("var toolbar = new jsToolBar($('#{field_id}')); toolbar.draw();")
end
def content_for(name, content = nil, &block)
@has_content ||= {}
@has_content[name] = true
super(name, content, &block)
end
def has_content?(name)
(@has_content && @has_content[name]) || false
end
end
class TabularFormBuilder < ActionView::Helpers::FormBuilder
include GLoc
def initialize(object_name, object, template, options, proc)
set_language_if_valid options.delete(:lang)
@object_name, @object, @template, @options, @proc = object_name, object, template, options, proc
end
(field_helpers - %w(radio_button hidden_field) + %w(date_select)).each do |selector|
src = <<-END_SRC
def #{selector}(field, options = {})
return super if options.delete :no_label
label_text = l(options[:label]) if options[:label]
label_text ||= l(("field_"+field.to_s.gsub(/\_id$/, "")).to_sym)
label_text << @template.content_tag("span", " *", :class => "required") if options.delete(:required)
label = @template.content_tag("label", label_text,
:class => (@object && @object.errors[field] ? "error" : nil),
:for => (@object_name.to_s + "_" + field.to_s))
label + super
end
END_SRC
class_eval src, __FILE__, __LINE__
end
def select(field, choices, options = {}, html_options = {})
label_text = l(("field_"+field.to_s.gsub(/\_id$/, "")).to_sym) + (options.delete(:required) ? @template.content_tag("span", " *", :class => "required"): "")
label = @template.content_tag("label", label_text,
:class => (@object && @object.errors[field] ? "error" : nil),
:for => (@object_name.to_s + "_" + field.to_s))
label + super
end
end