Module: Qadmin::Helper

Defined in:
lib/qadmin/helper.rb

Instance Method Summary collapse

Instance Method Details

#admin_controls(name, options = {}, &block) ⇒ Object 



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# File 'lib/qadmin/helper.rb', line 13

def admin_controls(name, options = {}, &block)
  return if respond_to?(:overlay?) && overlay?
  controller     = options[:controller] || name.to_s.tableize
  assumed_object = self.instance_variable_get "@#{name}"
  obj            = options[:object] || assumed_object || nil
  parent         = options[:parent] || false

  parent_link_attributes = parent ? {parent.class.to_s.foreign_key => parent.id} : {}
  general_link_attributes = {:controller => controller}.merge(parent_link_attributes)

  control_links = {
    :index      => link_to(image_tag('admin/icon_list.png') + " Back to List", general_link_attributes.merge(:action => 'index')),
    :new        => link_to(image_tag('admin/icon_new.png') + " New", general_link_attributes.merge(:action => 'new')),
    :edit       => link_to(image_tag('admin/icon_edit.png') + " Edit", general_link_attributes.merge(:action => 'edit', :id => obj)),
    :show       => link_to(image_tag('admin/icon_show.png') + " View", general_link_attributes.merge(:action => 'show', :id => obj)),
    :destroy    => link_to(image_tag('admin/icon_destroy.png') + " Delete", general_link_attributes.merge(:action => 'destroy', :id => obj), :confirm => 'Are you sure?', :method => :delete),
    :ports      => link_to(image_tag('admin/icon_export.png') + " Import/Export", general_link_attributes.merge(:action => 'ports')),
    :export      => link_to(image_tag('admin/icon_export.png') + " Export", general_link_attributes.merge(:action => 'export'))
  }

  control_sets = {
    :index => [:new],
    :new   => [:index],
    :edit  => [:index,:new,:show,:destroy],
    :show  => [:index,:new,:edit,:destroy]
  }
  
  control_set = (options[:controls] || []).dup
  control_set.unshift(control_sets[options[:for]]) if options[:for]
  control_set << :ports if options[:ports]
  controls = [control_set].flatten.collect {|c| control_links[c] }.compact

  html = ""
  html << %{<ul class="admin_controls">}
  controls.each {|control| html << li(control) }
  if block_given?
    html << capture(&block)
    html << %{</ul>}
    concat(html)
  else
    html << %{</ul>}
    html
  end
end

#admin_table(collection, options = {}) ⇒ Object 



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# File 'lib/qadmin/helper.rb', line 77

def admin_table(collection, options = {})
  html = '<table>'
  html <<	'<tr>'
  attributes = options[:attributes] || self.qadmin_configuration.display_columns
  model_column_types = SuperHash.new
  attributes.each do |attribute_name|
    column = self.qadmin_configuration.model_klass.columns.detect {|c| c.name == attribute_name.to_s }
    model_column_types[attribute_name] = column.type if column
  end
  attributes.each_with_index do |attribute, i|
    html << (i == 0 ? '<th class="first_col">' : '<th>')
    html << sortable_column_header(attribute)
    html << '</th>'
  end
  html << %{
    <th>View</th>
    <th>Edit</th>
    <th>Delete</th>
    </tr>
  }
  collection.each do |instance|
    html << %{<tr id="#{dom_id(instance)}" #{alt_rows}>}
    attributes.each_with_index do |attribute, i|
      raw_value = instance.send(attribute)
      value = case model_column_types[attribute]
      when :boolean
        yes?(raw_value)
      when :text
        truncate(raw_value, :length => 30, :omission => ". . . #{link_to('More', send("#{model_instance_name}_path", instance))}")
      else
        h(raw_value)
      end
      if i == 0
        html << %{<td class="first_col">#{link_to(value, send("#{model_instance_name}_path", instance))}</td>}
      else
        html << %{<td>#{value}</td>}
      end
    end
    html << %{<td>#{link_to(image_tag('admin/icon_show.png'), send("#{model_instance_name}_path", instance))}</td>}
    html << %{<td>#{link_to(image_tag('admin/icon_edit.png'), send("edit_#{model_instance_name}_path", instance))}</td>}
    html << %{<td>#{link_to(image_tag('admin/icon_destroy.png'), send("#{model_instance_name}_path", instance), :confirm => 'Are you sure?', :method => :delete)}</td>}
    html << '</tr>'
  end
  html << '</table>'
end

#alt_rows ⇒ Object 



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# File 'lib/qadmin/helper.rb', line 123

def alt_rows
  %{class="#{cycle('alt', '')}"}
end

#fieldset(legend = nil, options = {}, &block) ⇒ Object 



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# File 'lib/qadmin/helper.rb', line 4

def fieldset(legend = nil, options = {}, &block)
  concat(content_tag(:fieldset, options) do
    html = ''
    html << content_tag(:legend, legend) if legend
    html << capture(&block)
    html
  end)
end

#model_restful_query_parser(options = {}) ⇒ Object 



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# File 'lib/qadmin/helper.rb', line 72

def model_restful_query_parser(options = {})
  query_param = options[:query_param] || :query
  qadmin_configuration.model_klass.restful_query_parser(params[query_param], options)
end

#sortable_column_header(attribute_name, text = nil, options = {}) ⇒ Object 



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# File 'lib/qadmin/helper.rb', line 58

def sortable_column_header(attribute_name, text = nil, options = {})
  link_text = text || self.qadmin_configuration.column_headers[attribute_name] || attribute_name.to_s.humanize
  return link_text unless qadmin_configuration.model_klass.can_query?
  query_parser = model_restful_query_parser(options)
  query_param = options[:query_param] || :query
  logger.warn 'params:' +  self.params[query_param].inspect
  logger.warn 'parser:' + query_parser.inspect
  sorting_this = query_parser.sort(attribute_name)
  logger.warn "sorting #{attribute_name}:" + sorting_this.inspect
  link_text << " #{image_tag("admin/icon_#{sorting_this.direction.downcase}.gif")}" if sorting_this
  query_parser.set_sort(attribute_name, sorting_this ? sorting_this.next_direction : 'desc')
  link_to link_text, self.params.dup.merge(query_param => query_parser.to_query_hash), :class => 'sortable_column_header'
end

#yes?(boolean) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/qadmin/helper.rb', line 127

def yes?(boolean)
  boolean ? 'Yes' : 'No'
end