Contents

require File.dirname(__FILE__) + "/../command_handler"
require File.dirname(__FILE__) + "/models/g_widget"
require File.dirname(__FILE__) + "/models/list_selection_binding"

module Glimmer
  class ListSelectionDataBindingCommandHandler
    include CommandHandler
    include Glimmer

    include_package 'org.eclipse.swt.widgets'

    def can_handle?(parent, command_symbol, *args, &block)
      parent.is_a?(GWidget) and
      parent.widget.is_a?(List) and
      command_symbol.to_s == "selection" and
      args.size == 1 and
      args[0].is_a?(ModelBinding) and
      args[0].evaluate_options_property.is_a?(Array) and
      block == nil
    end

    def do_handle(parent, command_symbol, *args, &block)
      model_binding = args[0]
      widget_binding = WidgetBinding.new(parent, "items")
      widget_binding.call(model_binding.evaluate_options_property)
      model = model_binding.base_model
      #TODO make this options observer dependent and all similar observers in widget specific data binding handlers
      widget_binding.observe(model, model_binding.options_property_name)

      property_type = :string
      property_type = :array if parent.has_style?(:multi)
      list_selection_binding = ListSelectionBinding.new(parent, property_type)
      list_selection_binding.call(model_binding.evaluate_property)
      #TODO check if nested data binding works for list widget and other widgets that need custom data binding
      list_selection_binding.observe(model, model_binding.property_name_expression)

      add_contents(parent) {
        on_widget_selected {
          model_binding.call(list_selection_binding.evaluate_property)
        }
      }
    end

  end
end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
glimmer-0.4.3	lib/glimmer/command_handlers/list_selection_data_binding_command_handler.rb
glimmer-0.4.2	lib/glimmer/command_handlers/list_selection_data_binding_command_handler.rb
glimmer-0.4.1	lib/glimmer/command_handlers/list_selection_data_binding_command_handler.rb
glimmer-0.4.0	lib/glimmer/command_handlers/list_selection_data_binding_command_handler.rb