Class: Clevic::SetDelegate

Inherits:
ComboDelegate show all
Includes:
SimplestDelegate
Defined in:
lib/clevic/qt/set_delegate.rb,
lib/clevic/swing/set_delegate.rb,
lib/clevic/delegates/set_delegate.rb

Overview

A Combo box which allows a set of values. May or may not be restricted to the set. TODO this should be a module

Instance Attribute Summary

Attributes inherited from ComboDelegate

#editor

Attributes inherited from Delegate

#entity, #field, #parent

Instance Method Summary collapse

Methods included from SimplestDelegate

#editor_to_item

Methods inherited from ComboDelegate

#allow_null?, #autocomplete, #combo_class, #configure_editable, #configure_prefix, #createEditor, #create_combo_box, #display_for, #dump_editor_state, #empty_set?, #filter_prefix, #framework_setup, #full_edit, #getListCellRendererComponent, #hint_string, #if_empty_message, #init_component, #is_combo?, #line_editor, #minimal_edit, #needs_pre_selection?, #repopulate, #setEditorData, #setModelData, #translate_from_editor_text, #updateEditorGeometry, #value

Methods inherited from Delegate

#attribute, #editorEvent, #entity_class, #full_edit, #inspect, #is_combo?, #minimal_edit, #native, #needs_pre_selection?, #show_message, #updateEditorGeometry

Methods included from FieldValuer

#attribute_value, #attribute_value=, #display_value, #edit_value, #edit_value=, #find_related, #raw_value, #text_value=, #tooltip, valuer, #valuer, #writer

Constructor Details

#initialize(field) ⇒ SetDelegate

options must contain a :set => [ … ] to specify the set of values.



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# File 'lib/clevic/delegates/set_delegate.rb', line 10

def initialize( field )
  raise "SetDelegate must have a :set in options" if field.set.nil?
  super
end

Instance Method Details

#item_to_editor(item) ⇒ Object 



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# File 'lib/clevic/swing/set_delegate.rb', line 8

def item_to_editor( item )
  if item.is_a?( Array )
    puts "#{__FILE__}:#{__LINE__}:probably can't deal with item: #{item.inspect}"
    # this is a hash-like set, so use key as db value
    # and value as display value
    class << item
      def toString; last; end
    end
  else
    class << item
      def toString; self; end
    end
  end
end

#needs_combo? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/clevic/delegates/set_delegate.rb', line 15

def needs_combo?
  true
end

#population ⇒ Object

Items here could either be single values, or two-value arrays (from a hash-like set), so use key as db value and value as display value



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# File 'lib/clevic/delegates/set_delegate.rb', line 26

def population
  field.set_for( entity )
end

#restricted? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/clevic/delegates/set_delegate.rb', line 19

def restricted?
  field.restricted || false
end