Class: Datagrid::Renderer

Inherits:
Object
  • Object
show all
Defined in:
lib/datagrid/renderer.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(template) ⇒ Renderer

Returns a new instance of Renderer.



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# File 'lib/datagrid/renderer.rb', line 10

def initialize(template)
  @template = template
end

Class Method Details

.for(template) ⇒ Object 



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# File 'lib/datagrid/renderer.rb', line 6

def self.for(template)
  new(template)
end

Instance Method Details

#_safe(string) ⇒ Object 



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# File 'lib/datagrid/renderer.rb', line 89

def _safe(string)
  string.respond_to?(:html_safe) ? string.html_safe : string
end

#form_for(grid, options = {}) ⇒ Object 



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# File 'lib/datagrid/renderer.rb', line 46

def form_for(grid, options = {})
  options[:method] ||= :get
  options[:html] ||= {}
  options[:html][:class] ||= "datagrid-form #{html_class(grid)}"
  @template.render :partial => "datagrid/form", :locals => {:grid => grid, :options => options}
end

#format_value(grid, column, asset) ⇒ Object 



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# File 'lib/datagrid/renderer.rb', line 14

def format_value(grid, column, asset)

  value = if column.html?
    args = []
    remaining_arity = column.html_block.arity

    if column.data?
      args << column.value(asset,grid)
      remaining_arity -= 1
    end

    args << asset if remaining_arity > 0
    args << grid if remaining_arity > 1

    @template.instance_exec(*args, &column.html_block)
  else
    column.value(asset,grid)
  end

  url = column.options[:url] && column.options[:url].call(asset)
  if url
    @template.link_to(value, url)
  else
    case column.format
    when :url
      @template.link_to(column.label  ? asset.send(column.label) : I18n.t("datagrid.table.url_label", :default => "URL"), value)
    else
      _safe(value)
    end
  end
end

#header(grid, options = {}) ⇒ Object 



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# File 'lib/datagrid/renderer.rb', line 67

def header(grid, options = {})
  options[:order] = true unless options.has_key?(:order)

  @template.render :partial => "datagrid/head", :locals => {:grid => grid, :options => options}
end

#html_class(grid) ⇒ Object 



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# File 'lib/datagrid/renderer.rb', line 85

def html_class(grid)
  grid.class.to_s.underscore.demodulize
end

#order_for(grid, column) ⇒ Object 



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# File 'lib/datagrid/renderer.rb', line 81

def order_for(grid, column)
  @template.render :partial => "datagrid/order_for", :locals => { :grid => grid, :column => column }
end

#rows(grid, assets, options = {}) ⇒ Object 



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# File 'lib/datagrid/renderer.rb', line 73

def rows(grid, assets, options = {})
  result = assets.map do |asset|
    @template.render :partial => "datagrid/row", :locals => {:grid => grid, :options => options, :asset => asset}
  end.join

  _safe(result)
end

#table(grid, *args) ⇒ Object 



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# File 'lib/datagrid/renderer.rb', line 53

def table(grid, *args)
  options = args.extract_options!
  options[:html] ||= {}
  options[:html][:class] ||= "datagrid #{html_class(grid)}"
  assets = args.any? ? args.shift : grid.assets
  paginate = options[:paginate]
  if paginate
    ::Datagrid::Utils.warn_once(":paginate option is deprecated. Looks to https://github.com/bogdan/datagrid/wiki/Frontend.")
    assets = assets.paginate(paginate)
  end

  @template.render :partial => "datagrid/table", :locals => {:grid => grid, :options => options, :assets => assets}
end