Module: Netzke::GridPanelApi

Included in:
GridPanel
Defined in:
lib/netzke/grid_panel_api.rb

Instance Method Summary collapse

Instance Method Details

#configuration_panel__columns__get_combobox_options(params) ⇒ Object 



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# File 'lib/netzke/grid_panel_api.rb', line 107

def configuration_panel__columns__get_combobox_options(params)
  query = params[:query]
  
  data_arry = case params[:column]
              when "name"
                predefined_columns.map{ |c| c[:name].to_s }
              else
                raise RuntimeError, "Don't know about options for column '#{params[:column]}'"
              end
  
  {:data => data_arry.grep(/^#{query}/).map{ |n| [n] }}.to_nifty_json
end

#delete_data(params = {}) ⇒ Object 



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# File 'lib/netzke/grid_panel_api.rb', line 31

def delete_data(params = {})
  if !ext_config[:prohibit_delete]
    record_ids = ActiveSupport::JSON.decode(params[:records])
    klass = config[:data_class_name].constantize
    klass.delete(record_ids)
    {:feedback => "Deleted #{record_ids.size} record(s)", :load_store_data => get_data}
  else
    {:feedback => "You don't have permissions to delete data"}
  end
end

#get_combobox_options(params) ⇒ Object

Return the choices for the column



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# File 'lib/netzke/grid_panel_api.rb', line 69

def get_combobox_options(params)
  column = params[:column]
  query = params[:query]
  {:data => config[:data_class_name].constantize.options_for(column, query).map{|s| [s]}}
end

#get_data(params = {}) ⇒ Object 



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# File 'lib/netzke/grid_panel_api.rb', line 21

def get_data(params = {})
  if !ext_config[:prohibit_read]
    records = get_records(params)
    {:data => records.map{|r| r.to_array(normalized_columns, self)}, :total => ext_config[:enable_pagination] && records.total_entries}
  else
    flash :error => "You don't have permissions to read data"
    {:feedback => @flash}
  end
end

#get_search(params) ⇒ Object

Returns searchlogic’s search with all the conditions



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# File 'lib/netzke/grid_panel_api.rb', line 76

def get_search(params)
  @search ||= begin
    raise ArgumentError, "No data_class_name specified for widget '#{name}'" if !config[:data_class_name]

    # make params coming from Ext grid filters understandable by searchlogic
    search_params = normalize_params(params)

    # merge with conditions coming from the config
    search_params[:conditions].deep_merge!(config[:conditions] || {})

    # merge with extra conditions (in searchlogic format, come from the extended search form)
    search_params[:conditions].deep_merge!(
      normalize_extra_conditions(ActiveSupport::JSON.decode(params[:extra_conditions]))
    ) if params[:extra_conditions]

    search = config[:data_class_name].constantize.search(search_params)
  
    # applying scopes
    scopes.each do |s|
      if s.is_a?(Array)
        scope_name, *args = s
        search.send(scope_name, *args)
      else
        search.send(s)
      end
    end
  
    search
  end
end

#hide_column(params) ⇒ Object 



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# File 'lib/netzke/grid_panel_api.rb', line 49

def hide_column(params)
  raise "Called api_hide_column while not configured to do so" if ext_config[:enable_column_hide] == false
  column_at(params[:index].to_i)[:hidden] = params[:hidden].to_b
  save_columns!
  {}
end

#move_column(params) ⇒ Object 



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# File 'lib/netzke/grid_panel_api.rb', line 56

def move_column(params)
  raise "Called api_move_column while not configured to do so" if ext_config[:enable_column_move] == false
  column_to_move = columns.delete_at(params[:old_index].to_i)
  columns.insert(params[:new_index].to_i, column_to_move)
  save_columns!

  # reorder the columns on the client side (still not sure if it's not an overkill)
  # {:reorder_columns => columns.map(&:name)} # Well, I think it IS an overkill - commented out 
  # until proven to be necessary
  {}
end

#post_data(params) ⇒ Object 



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# File 'lib/netzke/grid_panel_api.rb', line 3

def post_data(params)
  success = true
  mod_records = {}
  [:create, :update].each do |operation|
    data = ActiveSupport::JSON.decode(params["#{operation}d_records"]) if params["#{operation}d_records"]
    if !data.nil? && !data.empty? # data may be nil for one of the operations
      mod_records[operation] = process_data(data, operation)
      mod_records[operation] = nil if mod_records[operation].empty?
    end
    break if !success
  end
  {
    :update_new_records => mod_records[:create], 
    :update_mod_records => mod_records[:update] || {},
    :feedback => @flash
  }
end

#resize_column(params) ⇒ Object 



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# File 'lib/netzke/grid_panel_api.rb', line 42

def resize_column(params)
  raise "Called api_resize_column while not configured to do so" if ext_config[:enable_column_resize] == false
  column_at(params[:index].to_i)[:width] = params[:size].to_i
  save_columns!
  {}
end