Contents

module NavigationHelper
  
  def render_navigation(key)
    renderer = Houston.config.get_navigation_renderer(key)
    instance_eval &renderer
  rescue KeyError
    Rails.logger.error "\e[31;1mThere is no navigation renderer named #{key.inspect}\e[0m"
    nil
  end
  
  def current_feature
    return nil unless current_project && current_project.persisted?
    @current_feature ||= current_project.features.find do |feature|
      current_page? feature_path(current_project, feature)
    end
  end
  
  def render_nav_for_feature(feature)
    feature = Houston.config.get_project_feature feature
    return unless feature.permitted?(current_ability, current_project)
    
    render_nav_link feature.name, feature.project_path(current_project), icon: feature.icon
  end
  
  def render_nav_menu(name, items: [], icon: "fa-circle-thin")
    items.flatten!
    
    return "" if items.empty?
    
    <<-HTML.html_safe
    <li class="dropdown">
      <a href="#" title="#{h name}" class="dropdown-toggle" data-toggle="dropdown">
        #{_render_nav(name, icon: icon)} <b class="caret"></b>
      </a>
      <ul class="dropdown-menu releases-menu">
        #{items.map(&:to_html).join("")}
      </ul>
    </li>
    HTML
  end
  
  def render_nav_link(name, href, icon: "fa-circle-thin")
    if current_page? href
      "<li class=\"current\">#{_render_nav(name, icon: icon)}</li>".html_safe
    else
      "<li><a href=\"#{href}\" title=\"#{h name}\">#{_render_nav(name, icon: icon)}</a></li>".html_safe
    end
  end
  
private
  
  def _render_nav(name, icon: nil)
    icon ||= "fa-circle-thin"
    <<-HTML
    <div class="nav-icon">#{_nav_icon(icon)}</div>
    <span class="nav-label">#{h name}</span>
    HTML
  end
  
  def _nav_icon(icon)
    ($icons ||= {})[icon] ||= begin
      path = Rails.root.join("vendor", "images", "#{icon}.svg")
      File.read(path) if File.exists?(path)
    end || File.read(Rails.root.join("vendor", "images", "fa-bomb.svg"))
  end
  
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
houston-core-0.5.0.beta1	app/helpers/navigation_helper.rb