Class: Formotion::RowType::OptionsRow

Inherits:
Base show all
Includes:
BW::KVO, ItemsMapper
Defined in:
lib/formotion/row_type/options_row.rb

Instance Attribute Summary

Attributes inherited from Base

#row, #tableView

Instance Method Summary collapse

Methods included from ItemsMapper

#item_names, #item_names_hash, #items, #name_for_value, #name_index_of_value, #value_for_name, #value_for_name_index

Methods inherited from Base

#_on_select, #after_build, #after_delete, #break_with_semaphore, #button?, #cellEditingStyle, #cell_style, #delete_row, #done_editing, field_buffer, #indentWhileEditing?, #initialize, #input_accessory_view, #on_delete, #on_select, #update_cell, #with_semaphore

Constructor Details

This class inherits a constructor from Formotion::RowType::Base

Instance Method Details

#build_cell(cell) ⇒ Object 



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# File 'lib/formotion/row_type/options_row.rb', line 10

def build_cell(cell)
  cell.selectionStyle = self.row.selection_style || UITableViewCellSelectionStyleNone

  segmentedControl = UISegmentedControl.alloc.initWithItems(item_names || [])
  segmentedControl.selectedSegmentIndex = name_index_of_value(row.value) if row.value
  segmentedControl.segmentedControlStyle = UISegmentedControlStyleBar
  segmentedControl.userInteractionEnabled = row.editable?
  cell.accessoryView = cell.editingAccessoryView = segmentedControl

  segmentedControl.when(UIControlEventValueChanged) do
    break_with_semaphore do
      row.value = value_for_name_index(segmentedControl.selectedSegmentIndex)
    end
  end
  observe(self.row, "value") do |old_value, new_value|
    break_with_semaphore do
      if row.value
        segmentedControl.selectedSegmentIndex = name_index_of_value(row.value)
      else
        segmentedControl.selectedSegmentIndex = UISegmentedControlNoSegment
      end
    end
  end

  nil
end