Module: NavigationHelper

Defined in:
app/helpers/navigation_helper.rb

Overview

Copyright 2011-2013 innoQ Deutschland GmbH

Licensed under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Instance Method Summary collapse

Instance Method Details

expects an array of hashes with the following members: :content - usually a navigation link :active? - an optional function determining whether the respective item is

currently active

:controller - an optional string, used instead of ‘active?` to check for a

specific controller

:authorized? - an optional function determining whether the respective item

is available to the current user (defaults to true)

:items - a list of hashes to be used as second-level navigation items



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# File 'app/helpers/navigation_helper.rb', line 27

def nav_items(items)
  items.map do |item|
    if !item.has_key?(:authorized?) || instance_eval(&item[:authorized?])
      if item[:items]
        content_tag :li, class: 'dropdown' do
          raw(link_to(element_value(item[:text]).html_safe +
                  content_tag(:b, nil, class: 'caret'), '#',
                  class: 'dropdown-toggle',
                  data: { toggle: 'dropdown' }) +
              content_tag(:ul,
                  item[:items].map { |i| nav_item(i) }.join.html_safe,
                  class: 'dropdown-menu'))
        end
      else
        nav_item(item)
      end
    end
  end.join.html_safe
end

#sidebar(&block) ⇒ Object 



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# File 'app/helpers/navigation_helper.rb', line 47

def sidebar(&block)
  content_for :sidebar do
    content_tag :div, class: 'sidebar' do
      content_tag :div, class: 'list-group' do
        capture(&block)
      end
    end
  end
end

#sidebar_header(text) ⇒ Object 



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# File 'app/helpers/navigation_helper.rb', line 57

def sidebar_header(text)
  content_tag :h4, text, class: 'sidebar-header'
end

#sidebar_item(opts = {}, &block) ⇒ Object 



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# File 'app/helpers/navigation_helper.rb', line 61

def sidebar_item(opts = {}, &block)
  if perms = opts.delete(:perms)
    return nil if cannot?(*perms)
  end

  opts[:class] = '' if opts[:class].blank?
  opts[:class] += ' list-group-item'
  opts[:class] += ' active' if opts.delete(:active)

  content = if block_given?
    capture(&block)
  else
    desc = ActiveSupport::SafeBuffer.new
    if icon = opts.delete(:icon)
      desc << icon(icon) << ' '
    end
    desc << opts.delete(:text).to_s
    link_to(desc.html_safe, opts.delete(:path), opts)
  end

  content
end