Removes unnecessary button handling

Removes button handling in physical server controller

app/controllers/physical_server_controller.rb

@@ -35,83 +35,4 @@ def show_list
 
     process_show_list
   end
-
-  # Handles buttons pressed on the toolbar
-  def button
-    # Get the list of servers to apply the action to
-    servers = retrieve_servers
-
-    # Apply the action (depending on the button pressed) to the servers
-    apply_action_to_servers(servers)
-  end
-
-  private
-
-  # Maps button actions to actual method names to be called and the
-  # corresponding result status messages to be displayed
-  ACTIONS = {"physical_server_power_on"         => [:power_on,         "Power On"],
-             "physical_server_power_off"        => [:power_off,        "Power Off"],
-             "physical_server_restart"          => [:restart,          "Restart"],
-             "physical_server_blink_loc_led"    => [:blink_loc_led,    "Blink LED"],
-             "physical_server_turn_on_loc_led"  => [:turn_on_loc_led,  "Turn On LED"],
-             "physical_server_turn_off_loc_led" => [:turn_off_loc_led, "Turn Off LED"]}.freeze
-
-  # Displays an error message
-  def display_error_message(msg)
-    display_message(msg, :error)
-  end
-
-  # Displays a success message
-  def display_success_message(msg)
-    display_message(msg, :success)
-  end
-
-  # Displays a message
-  def display_message(msg, level)
-    add_flash(_(msg), level)
-    render_flash
-  end
-
-  # Returns a list of servers to which the button action will be applied
-  def retrieve_servers
-    server_id = params[:id]
-    servers = []
-
-    # A list of servers
-    if @lastaction == "show_list"
-      server_ids = find_checked_items
-      server_ids.each do |id|
-        servers.push(PhysicalServer.find_by('id' => id))
-      end
-      if server_ids.empty?
-        display_error_message("No server IDs found for the selected servers")
-      end
-    # A single server
-    elsif server_id.nil? || PhysicalServer.find_by('id' => server_id).nil?
-      display_error_message("No server ID found for the current server")
-    else
-      servers.push(PhysicalServer.find_by('id' => server_id))
-    end
-
-    servers
-  end
-
-  # Applies the appropriate action to a list of servers depending
-  # on the button pressed
-  def apply_action_to_servers(servers)
-    button_pressed = params[:pressed]
-
-    # Apply the appropriate action to each server
-    if ACTIONS.key?(button_pressed)
-      method = ACTIONS[button_pressed][0]
-      action_str = ACTIONS[button_pressed][1]
-      servers.each do |server|
-        server.send(method)
-      end
-      msg = "Successfully initiated the #{action_str} action"
-      display_success_message(msg)
-    else
-      display_error_message("Unknown action: #{button_pressed}")
-    end
-  end
 end