Class: Glimmer::DataBinding::TableItemsBinding

Inherits:
Object
  • Object
show all
Includes:
Observable, Observer
Defined in:
lib/glimmer/data_binding/table_items_binding.rb

Instance Method Summary collapse

Methods included from Observer

#add_dependent, #dependents, #dependents_for, proc, #register, #registration_for, #registrations, #remove_dependent, #unregister, #unregister_all_observables, #unregister_dependents_with_observable

Methods included from Observable

#add_observer, #inspect, #remove_observer

Constructor Details

#initialize(parent, model_binding, column_properties) ⇒ TableItemsBinding

Returns a new instance of TableItemsBinding.



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# File 'lib/glimmer/data_binding/table_items_binding.rb', line 15

def initialize(parent, model_binding, column_properties)
  @table = parent
  @model_binding = model_binding
  @column_properties = column_properties
  call(@model_binding.evaluate_property)
  model = model_binding.base_model
  observe(model, model_binding.property_name_expression)
  @table.on_widget_disposed do |dispose_event|
    unregister_all_observables
  end
end

Instance Method Details

#call(model_collection = nil) ⇒ Object 



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# File 'lib/glimmer/data_binding/table_items_binding.rb', line 27

def call(model_collection=nil)
  if model_collection and model_collection.is_a?(Array)
    # TODO clean observer registrations 
    observe(model_collection, @column_properties)
    @model_collection = model_collection
  end
  populate_table(@model_collection, @table, @column_properties)
end

#populate_table(model_collection, parent, column_properties) ⇒ Object 



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# File 'lib/glimmer/data_binding/table_items_binding.rb', line 36

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