Class: TableItemsBinding

Inherits:
Object
  • Object
show all
Includes:
Observer
Defined in:
lib/command_handlers/models/table_items_binding.rb

Instance Method Summary collapse

Constructor Details

#initialize(parent, model_binding, column_properties) ⇒ TableItemsBinding

Returns a new instance of TableItemsBinding.



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# File 'lib/command_handlers/models/table_items_binding.rb', line 10

def initialize(parent, model_binding, column_properties)
  @table = parent
  @model_binding = model_binding
  @column_properties = column_properties
  update(@model_binding.evaluate_property)
  model = model_binding.base_model
  model.extend(ObservableModel) unless model.is_a?(ObservableModel)
  model.add_observer(model_binding.property_name_expression, self)
end

Instance Method Details

#populate_table(model_collection, parent, column_properties) ⇒ Object 



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# File 'lib/command_handlers/models/table_items_binding.rb', line 27

def populate_table(model_collection, parent, column_properties)
  parent.widget.removeAll
  model_collection.each do |model|
    table_item = TableItem.new(parent.widget, SWT::NONE)
    for index in 0..(column_properties.size-1)
      table_item.setText(index, model.send(column_properties[index]).to_s)
    end
  end
end

#update(model_collection = nil) ⇒ Object 



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# File 'lib/command_handlers/models/table_items_binding.rb', line 19

def update(model_collection=nil)
  if model_collection and model_collection.is_a?(Array)
    model_collection.extend(ObservableArray) unless model_collection.is_a?(ObservableArray)
    model_collection.add_observer(@column_properties, self)
    @model_collection = model_collection
  end
  populate_table(@model_collection, @table, @column_properties)
end