Class: Glimmer::SWT::ComboProxy

Inherits:
WidgetProxy show all
Includes:
DataBinding::ObservableElement
Defined in:
lib/glimmer/swt/combo_proxy.rb

Constant Summary

Constants inherited from WidgetProxy

WidgetProxy::DEFAULT_INITIALIZERS

Instance Attribute Summary collapse

Attributes inherited from WidgetProxy

#args, #background, #children, #disposed?, #enabled, #focus, #font, #foreground, #menu, #menu_requested, #parent, #path, #rendered

Instance Method Summary collapse

Methods included from DataBinding::ObservableElement

#method_missing

Methods inherited from WidgetProxy

#add_content_on_render, #add_css_class, #add_css_classes, #add_observer, #apply_property_type_converters, #build_dom, #can_handle_observation_request?, #clear_css_classes, #content, #content_on_render_blocks, #css_classes, #default_observation_request_to_event_mapping, #dialog_ancestor, #dispose, #dom_element, #effective_observation_request_to_event_mapping, #event_handling_suspended?, #event_listener_proxies, for, #get_data, #handle_observation_request, #has_style?, #id, #id=, #listener_dom_element, #listener_path, max_id_number_for, max_id_numbers, #method_missing, #name, next_id_number_for, #observation_requests, #parent_dom_element, #parent_path, #parents, #post_add_content, #post_dispose_child, #post_initialize_child, #property_type_converters, #remove_all_listeners, #remove_css_class, #remove_css_classes, #remove_event_listener_proxies, #render, reset_max_id_numbers!, #resume_event_handling, #selector, #set_attribute, #set_data, #set_focus, #shell, #skip_content_on_render_blocks?, #style_element, #suspend_event_handling, #swt_widget, underscored_widget_name, widget_class, widget_exists?, widget_handling_listener, #widget_property_listener_installers

Methods included from PropertyOwner

#attribute_getter, #attribute_setter, #get_attribute, #set_attribute

Constructor Details

#initialize(parent, args, block) ⇒ ComboProxy

Returns a new instance of ComboProxy.



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# File 'lib/glimmer/swt/combo_proxy.rb', line 11

def initialize(parent, args, block)
  super(parent, args, block)
  @items = []
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Glimmer::DataBinding::ObservableElement

Instance Attribute Details

#items ⇒ Object

Returns the value of attribute items.



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# File 'lib/glimmer/swt/combo_proxy.rb', line 8

def items
  @items
end

#selection ⇒ Object

virtual attribute just to pass the shine data-binding test (TODO THINK OF A BETTER WAY OF HANDLING THIS)



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# File 'lib/glimmer/swt/combo_proxy.rb', line 9

def selection
  @selection
end

#text ⇒ Object

Returns the value of attribute text.



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# File 'lib/glimmer/swt/combo_proxy.rb', line 8

def text
  @text
end

Instance Method Details

#dom ⇒ Object 



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# File 'lib/glimmer/swt/combo_proxy.rb', line 92

def dom
  items = @items
  select_id = id
  select_style = css
  select_class = name
  @dom ||= html {
    select(id: select_id, class: select_class, style: select_style) {
    }
  }.to_s
end

#element ⇒ Object 



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# File 'lib/glimmer/swt/combo_proxy.rb', line 16

def element
  'select'
end

#observation_request_to_event_mapping ⇒ Object 



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# File 'lib/glimmer/swt/combo_proxy.rb', line 39

def observation_request_to_event_mapping
  {
    'on_widget_selected' => {
      event: 'change',
      event_handler: -> (event_listener) {
        -> (event) {
          @text = event.target.value
          event_listener.call(event)
        }
      }
    },
    'on_key_pressed' => {
      event: 'keydown',
      event_handler: -> (event_listener) {
        -> (event) {
          @last_key_pressed_event = event
          @text = event.target.value
          # TODO generalize this solution to all widgets that support key presses
          # TODO support event.location once DOM3 is supported by opal-jquery
          event.define_singleton_method(:keyCode) {event.which}
          event.define_singleton_method(:key_code, &event.method(:keyCode))
          event.define_singleton_method(:character) {event.which.chr}
          event.define_singleton_method(:stateMask) do
            state_mask = 0
            state_mask |= SWTProxy[:alt] if event.alt_key
            state_mask |= SWTProxy[:ctrl] if event.ctrl_key
            state_mask |= SWTProxy[:shift] if event.shift_key
            state_mask |= SWTProxy[:command] if event.meta_key
            state_mask
          end
          event.define_singleton_method(:state_mask, &event.method(:stateMask))
          doit = true
          event.define_singleton_method(:doit=) do |value|
            doit = value
          end
          event.define_singleton_method(:doit) { doit }
          event_listener.call(event)
          
            # TODO Fix doit false, it's not stopping input
          unless doit
            event.prevent
            event.prevent_default
            event.stop_propagation
            event.stop_immediate_propagation
          end
          
          doit
        }
      }
    },
  }
end