Class: Glimmer::SWT::SpinnerProxy

Inherits:
WidgetProxy show all
Defined in:
lib/glimmer/swt/spinner_proxy.rb

Constant Summary

Constants inherited from WidgetProxy

WidgetProxy::DEFAULT_INITIALIZERS, WidgetProxy::JS_KEY_CODE_TO_SWT_KEY_CODE_MAP, WidgetProxy::JS_LOCATION_TO_SWT_KEY_LOCATION_MAP, WidgetProxy::SWT_CURSOR_TO_CSS_CURSOR_MAP

Instance Attribute Summary collapse

Attributes inherited from WidgetProxy

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

Instance Method Summary collapse

Methods inherited from WidgetProxy

#add_content_on_render, #add_css_class, #add_css_classes, #add_observer, #apply_property_type_converters, #attach, #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_javascript_observation_request, #handle_observation_request, #has_style?, #id, #id=, #listener_dom_element, #listener_path, #listeners, #listeners_for, 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, #print, #property_type_converters, #reattach, #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_data, #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) ⇒ SpinnerProxy

Returns a new instance of SpinnerProxy.



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# File 'lib/glimmer/swt/spinner_proxy.rb', line 29

def initialize(parent, args, block)
  super(parent, args, block)
  @increment = 1
  @digits = 0
  dom_element.
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Glimmer::SWT::WidgetProxy

Instance Attribute Details

#digits ⇒ Object

Returns the value of attribute digits.



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# File 'lib/glimmer/swt/spinner_proxy.rb', line 27

def digits
  @digits
end

#increment ⇒ Object

Returns the value of attribute increment.



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# File 'lib/glimmer/swt/spinner_proxy.rb', line 27

def increment
  @increment
end

#maximum ⇒ Object

Returns the value of attribute maximum.



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# File 'lib/glimmer/swt/spinner_proxy.rb', line 27

def maximum
  @maximum
end

#minimum ⇒ Object

Returns the value of attribute minimum.



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# File 'lib/glimmer/swt/spinner_proxy.rb', line 27

def minimum
  @minimum
end

#page_increment ⇒ Object

Returns the value of attribute page_increment.



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# File 'lib/glimmer/swt/spinner_proxy.rb', line 27

def page_increment
  @page_increment
end

Instance Method Details

#divider ⇒ Object 



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# File 'lib/glimmer/swt/spinner_proxy.rb', line 86

def divider
  ('1' + '0'*@digits.to_i).to_f
end

#dom ⇒ Object 



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# File 'lib/glimmer/swt/spinner_proxy.rb', line 159

def dom
  text_text = @text
  text_id = id
  text_style = "min-width: 27px; #{css}"
  text_class = name
  # TODO `:style` key is duplicated twice
  options = {type: 'text', id: text_id, style: text_style, class: text_class, value: text_text}
  options = options.merge('disabled': 'disabled') unless @enabled
  @dom ||= html {
    input(options)
  }.to_s
end

#element ⇒ Object 



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# File 'lib/glimmer/swt/spinner_proxy.rb', line 95

def element
  'input'
end

#observation_request_to_event_mapping ⇒ Object 



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# File 'lib/glimmer/swt/spinner_proxy.rb', line 99

def observation_request_to_event_mapping
  {
    'on_widget_selected' => [
      {
        event: 'change',
        event_handler: -> (event_listener) {
          -> (event) {
            self.selection = event.target.value
            event_listener.call(event)
          }
        }
      },
      {
        event: 'keyup',
        event_handler: -> (event_listener) {
          -> (event) {
            @keyup = true # ensures spinstop event does not set selection if caused by key up entry
          }
        }
      },
      {
        event: 'spin',
        event_handler: -> (event_listener) {
          -> (event) {
            @keyup = false
          }
        }
      },
      {
        event: 'spinstop',
        event_handler: -> (event_listener) {
          -> (event) {
            self.set_selection(event.target.value, format_digits: !@keyup)
            @keyup = false
            event_listener.call(event)
          }
        }
      },
    ],
    'on_modify_text' => {
      event: 'keyup',
      event_handler: -> (event_listener) {
        -> (event) {
          # TODO consider unifying this event handler with on_key_pressed by relying on its result instead of hooking another keyup event
          if @last_key_pressed_event.nil? || @last_key_pressed_event.doit
            self.text = event.target.value
            event_listener.call(event)
          else
            # TODO Fix doit false, it's not stopping input
            event.prevent
            event.prevent_default
            event.stop_propagation
            event.stop_immediate_propagation
          end
        }
      }
    },
  }
end

#selection ⇒ Object 



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# File 'lib/glimmer/swt/spinner_proxy.rb', line 54

def selection
  @selection && @selection * divider
end

#selection=(value, format_digits: true) ⇒ Object Also known as: set_selection 



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# File 'lib/glimmer/swt/spinner_proxy.rb', line 36

def selection=(value, format_digits: true)
  old_value = @selection.to_f
  if @selection.nil?
    @selection = value.to_f / divider
  else
    @selection = value.to_f
  end
  if value.to_i != old_value.to_i
    if format_digits && @digits.to_i > 0
      new_value = "%0.#{@digits.to_i}f" % @selection
      dom_element.value = new_value
    else
      dom_element.value = @selection if @selection != 0
    end
  end
end

#text ⇒ Object 



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# File 'lib/glimmer/swt/spinner_proxy.rb', line 62

def text
  self.selection.to_s
end

#text=(value) ⇒ Object 



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# File 'lib/glimmer/swt/spinner_proxy.rb', line 58

def text=(value)
  self.selection = value.to_f
end