Module MenuExtension
In: lib/json/editor.rb

This module bundles some method, that can be used to create a menu. It should be included into the class in question.

Methods

add_item   add_separator   create   method_missing   new  

Included Modules

Gtk

Attributes

menu  [R]  Returns the menu.
treeview  [R]  Returns the Gtk::TreeView of this menu.

Public Class methods

new(treeview)

Creates a Menu, that includes MenuExtension. treeview is the Gtk::TreeView, on which it operates.

[Source]

# File lib/json/editor.rb, line 212
      def initialize(treeview)
        @treeview = treeview
        @menu = Menu.new
      end

Public Instance methods

add_item(label, keyval = nil, klass = MenuItem, &callback)

Adds a Gtk::MenuItem to this instance‘s menu. label is the label string, klass is the item type, and callback is the procedure, that is called if the item is activated.

[Source]

# File lib/json/editor.rb, line 231
      def add_item(label, keyval = nil, klass = MenuItem, &callback)
        label = "#{label} (C-#{keyval.chr})" if keyval
        item = klass.new(label)
        item.signal_connect(:activate, &callback)
        if keyval
          self.signal_connect('key-press-event''key-press-event') do |item, event|
            if event.state & Gdk::Window::ModifierType::CONTROL_MASK != 0 and
              event.keyval == keyval
              callback.call item
            end
          end
        end
        menu.append item
        item
      end
add_separator()

Adds a Gtk::SeparatorMenuItem to this instance‘s menu.

[Source]

# File lib/json/editor.rb, line 224
      def add_separator
        menu.append SeparatorMenuItem.new
      end
create()

This method should be implemented in subclasses to create the menu of this instance. It has to be called after an instance of this class is created, to build the menu.

[Source]

# File lib/json/editor.rb, line 250
      def create
        raise NotImplementedError
      end
method_missing(*a, &b)

[Source]

# File lib/json/editor.rb, line 254
      def method_missing(*a, &b)
        treeview.__send__(*a, &b)
      end

[Validate]