Class: Glimmer::Tk::ListProxy

Inherits:
WidgetProxy show all
Defined in:
lib/glimmer/tk/list_proxy.rb

Overview

Custom list widget implementation

Constant Summary

Constants inherited from WidgetProxy

WidgetProxy::FONTS_PREDEFINED, WidgetProxy::HEXADECIMAL_CHARACTERS

Instance Attribute Summary

Attributes inherited from WidgetProxy

#args, #bind_ids, #children, #destroyed, #keyword, #parent_proxy, #tk

Attributes included from DraggableAndDroppable

#on_drag_motion_block

Instance Method Summary collapse

Methods inherited from WidgetProxy

#add_observer, #ancestor_proxies, #apply_style, #attribute_argument_normalizers, #attribute_setter, #clear_children, #content, create, #destroy, #disabled, #disabled=, #enabled, #enabled=, #event_generate, #font=, #get_attribute, #grid, #handle_listener, #has_attribute?, #has_attributes_attribute?, #has_state?, #hidden, #hidden=, #image_argument, #inspect, #method_missing, #normalize_attribute_arguments, #on, #post_add_content, #post_initialize_child, #respond_to?, #root_parent_proxy, #set_attribute, #style=, tk_widget_class_for, #tk_widget_has_attribute_getter_setter?, #tk_widget_has_attribute_setter?, #toplevel_parent_proxy, #unbind_all, #visible, #visible=, #widget_attribute_listener_installers, widget_exists?, widget_proxy_class, #window?

Methods included from DraggableAndDroppable

#drag_source=, #drop_target=, #handle_listener, #make_draggable, #make_droppable, #make_non_draggable, #make_non_droppable, #on_drag_start_block=, #on_drop_block=, #textvariable_defined?

Constructor Details

#initialize(underscored_widget_name, parent_proxy, args) ⇒ ListProxy

Returns a new instance of ListProxy.



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# File 'lib/glimmer/tk/list_proxy.rb', line 28

def initialize(underscored_widget_name, parent_proxy, args)
  super('treeview', parent_proxy, args)
  @tk.show = 'tree'
end

Dynamic Method Handling

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

Instance Method Details

#widget_custom_attribute_mapping ⇒ Object 



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# File 'lib/glimmer/tk/list_proxy.rb', line 33

def widget_custom_attribute_mapping
  @widget_custom_attribute_mapping ||= {
    ::Tk::Tile::Treeview => {
      'items' => {
        getter: {name: 'items', invoker: lambda { |widget, args| tk.children('').map(&:text) }},
        setter: {name: 'items=', invoker: lambda { |widget, args|
          @tk.delete @tk.children('')
          args.first.each do |child|
            @tk.insert('', 'end', :text => child)
          end
        }},
      },
      'selection' => {
        getter: {name: 'selection', invoker: lambda { |widget, args| @tk.selection.map(&:text) }},
        setter: {name: 'selection=', invoker: lambda { |widget, args|
          selection_args = args.first.is_a?(Array) ? args.first : [args.first]
          selection_items = selection_args.map do |arg|
            @tk.children('').detect {|item| item.text == arg}
          end
          @tk.selection_set(*selection_items)
        }},
      },
    },
  }
end