#--
# Copyright (C) 2007 Dimitrij Denissenko
# Please read LICENSE document for more information.
#++
module TimelineHelper

  def formatted_description(event)
    description, type = event.content    
    description ||= ''
    description = truncate(description, 200)
        
    description = if type == 1
      simple_markup(description)
    elsif type == 2
      markup(description)
    end    
    
    description.gsub(%r{</?[^>]*>}im, '')  
  end
  
  def include_timeline_stylesheet
    @additional_header_data << rxt_stylesheet_link_tag('timeline')
  end


  def view_type_checkboxes
    check_all = true
    
    checkboxes = @viewable_classes.collect do |klass|
      name = klass.table_name
      options = { :id => 'view_type_' + name }
      options[:onclick] = "if (this.checked) $('view_type_all').checked = false;"
      check_all = false if params[name] == '1'
      check_box_tag(name, 1, params[name] == '1', options) + " #{name.humanize}"
    end
    checkboxes.insert(0, check_box_tag('all', 1, check_all, :id => 'view_type_all') + ' All')


    row_num = (checkboxes.size.to_f / 6).ceil
    per_row = (checkboxes.size.to_f / row_num).ceil
    

    rows = []
    while rows.size < row_num
      rows << checkboxes[rows.size * per_row, per_row].join('&nbsp;&nbsp;')
    end
    rows.join('<br/>')  
  end
  

end