Class: Clot::LinkItem

Inherits:
Liquid::Tag
  • Object
show all
Includes:
LinkFilters, TagHelper, UrlFilters
Defined in:
lib/clot/nav_bar.rb

Instance Method Summary collapse

Methods included from TagHelper

#resolve_value, #split_params

Methods included from LinkFilters

#delete_link, #edit_link, #gen_delete_link, #gen_delete_onclick, #index_link, #new_link, #stylesheet_link, #view_link

Methods included from UrlFilters

#delete_link, #edit_link, #get_nested_edit_url, #get_nested_url, #index_link, #object_url, #stylesheet_url, #view_link

Constructor Details

#initialize(name, params, tokens) ⇒ LinkItem

Returns a new instance of LinkItem.



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# File 'lib/clot/nav_bar.rb', line 30

def initialize(name, params, tokens)
  @params = split_params(params)
  super
end

Instance Method Details

#apply_params(params, context) ⇒ Object



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# File 'lib/clot/nav_bar.rb', line 48

def apply_params(params, context)
  params.each do |pair|
    pair_data = pair.split ":"
    case pair_data[0]
      when "label" then
        @label = pair_data[1]
      when "new" then
        @label ||= "Create"
        @link = "/#{pair_data[1]}/new"
      when "index" then
        @label ||= "Index"
        @link = "/#{pair_data[1]}"
      when "view" then
        @label ||= "View"
        obj = context[pair_data[1]]
        @link = "/#{obj.dropped_class.to_s.tableize}/#{obj.id}"
      when "nested_index" then
        @label ||= "Index"
        obj = context[pair_data[1]]
        @link = "/#{obj.dropped_class.to_s.tableize}/#{obj.id}/#{pair_data[2]}"
      when "nested_new" then
        @label ||= "Create"
        obj = context[pair_data[1]]
        @link = "/#{obj.dropped_class.to_s.tableize}/#{obj.id}/#{pair_data[2]}/new"
      when "nested_show" then
        @label ||= "Show"
        obj = context[pair_data[1]]
        obj2 = context[pair_data[2]]
        @link = "/#{obj.dropped_class.to_s.tableize}/#{obj.id}/#{obj2.dropped_class.to_s.tableize}/#{obj2.id}"
      when "nested_edit" then
        @label ||= "Edit"
        obj = context[pair_data[1]]
        obj2 = context[pair_data[2]]
        @link = "/#{obj.dropped_class.to_s.tableize}/#{obj.id}/#{obj2.dropped_class.to_s.tableize}/#{obj2.id}/edit"
      when "nested_delete" then
        @label ||= "Delete"
        obj = context[pair_data[1]]
        obj2 = context[pair_data[2]]
        @link = "/#{obj.dropped_class.to_s.tableize}/#{obj.id}/#{obj2.dropped_class.to_s.tableize}/#{obj2.id}"
        @context = context
        @onclick = " onclick=\"#{gen_delete_onclick}\""
      when "edit" then
        @label ||= "Edit"
        obj = context[pair_data[1]]
        @link = "/#{obj.dropped_class.to_s.tableize}/#{obj.id}/edit"
      when "delete" then
        @label ||= "Delete"
        obj = context[pair_data[1]]
        @link = "/#{obj.dropped_class.to_s.tableize}/#{obj.id}"
        @context = context
        @onclick = " onclick=\"#{gen_delete_onclick}\""
    end

  end
end


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# File 'lib/clot/nav_bar.rb', line 43

def raw_link
  @onclick ||= ""
  "<a href=\"#{@link}\"#{@onclick}>#{@label}</a>"
end

#render(context) ⇒ Object



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# File 'lib/clot/nav_bar.rb', line 10

def render(context)
  @tag_factory = context['tag_factory']
  tag_generator(@params, context)
  LinkItem.has_predecessor ||= {}
  separator = ""
  if LinkItem.has_predecessor[context['block_id']]
    separator = @tag_factory[:list_item_separator] || ""
  end

  prefix = @tag_factory[:list_item_open_tag] || ""
  postfix = @tag_factory[:list_item_close_tag] || ""
  link = separator + prefix + raw_link + postfix
  filter = @tag_factory[:link_filter] || lambda{|link,context| link}
  tag = filter.call link, context
  unless tag.blank? || !tag
    LinkItem.has_predecessor[context['block_id']] = true
    link
  end
end

#tag_generator(params, context) ⇒ Object



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# File 'lib/clot/nav_bar.rb', line 35

def tag_generator(params, context)
  unless params[0].match /:/
    @label = params.shift
    @link = "/#{@label}"
  end
  apply_params(params, context)
end