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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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module ApplicationHelper
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# Return current logged in user or nil
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def loggedin?
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@logged_in_user
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end
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# Return true if user is logged in and is admin, otherwise false
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def admin_loggedin?
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@logged_in_user and @logged_in_user.admin?
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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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# check if action is allowed on public projects
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if @project.is_public? and Permission.allowed_to_public "%s/%s" % [ controller, action ]
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return true
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end
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# check if user is authorized
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if @logged_in_user and (@logged_in_user.admin? or Permission.allowed_to_role( "%s/%s" % [ controller, action ], @logged_in_user.role_for_project(@project.id) ) )
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return true
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end
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return false
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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], 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.display_name, :controller => 'account', :action => 'show', :id => user
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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 format_date(date)
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l_date(date) if date
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end
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def format_time(time)
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l_datetime(time) if 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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html = ''
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html << link_to_remote(('« ' + l(:label_previous)),
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{:update => "content", :url => { :page => paginator.current.previous }},
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{:href => url_for(:action => 'list', :params => params.merge({:page => 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 => {:action => 'list', :params => params.merge({:page => n})}, :update => 'content'},
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{:href => url_for(:action => 'list', :params => params.merge({:page => n}))})
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end || '')
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html << ' ' + link_to_remote((l(:label_next) + ' »'),
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{:update => "content", :url => { :page => paginator.current.next }},
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{:href => url_for(:action => 'list', :params => params.merge({:page => paginator.current.next}))}) if paginator.current.next
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html
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end
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def textilizable(text)
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(Setting.text_formatting == 'textile') && (ActionView::Helpers::TextHelper.method_defined? "textilize") ? RedCloth.new(h(text)).to_html : simple_format(auto_link(h(text)))
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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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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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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] || "h2", 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.sort {|x,y| x.to_s <=> y.to_s }).collect {|lang| [ l_lang_name(lang.to_s, lang), lang.to_s]}
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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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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(("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_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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