Class: QDA::GUI::EasyMenu

Inherits:
Wx::Menu
  • Object
show all
Defined in:
lib/weft/wxgui/workarea.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(target) ⇒ EasyMenu

Returns a new instance of EasyMenu.



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# File 'lib/weft/wxgui/workarea.rb', line 310

def initialize(target)
  super()
  @target   = target
  @base_id  = EasyMenu.next_base()
  @commands = Hash.new do | hash, key | 
    Kernel.raise ArgumentError.new("No such menu item #{key}")
  end
end

Class Method Details

.next_base ⇒ Object 



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# File 'lib/weft/wxgui/workarea.rb', line 305

def EasyMenu.next_base()
  @base_id ||= 0
  @base_id += 100
end

Instance Method Details

#add_item(command_str, command_key = '', itemtype = Wx::ITEM_NORMAL) ⇒ Object

adds the item command_str to the menu, with the optional shortcut key command_key, and sets it to run the associated block when the menu item is chosen. The menu item can later be referred to by the symbol with the commands name with special characters removed andspaces turned to underscores. For example, “Save Project” becomes :save_project



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# File 'lib/weft/wxgui/workarea.rb', line 325

def add_item(command_str, command_key = '', itemtype = Wx::ITEM_NORMAL)
  const = ( @base_id += 1 )
  ident = command_str.gsub(/\s+/, "_").gsub(/\W/, "").downcase.to_sym
  @commands[ident] = const
  append(const, "#{command_str}\t#{command_key}", "", itemtype)
  @target.evt_menu(const) { | e | yield(e) }
  return ident
end

#check_items(*idents) ⇒ Object Also known as: check_item 



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# File 'lib/weft/wxgui/workarea.rb', line 345

def check_items(*idents)
  idents.each { | ident | check( @commands[ident], true ) }
end

#disable_items(*idents) ⇒ Object Also known as: disable_item 



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# File 'lib/weft/wxgui/workarea.rb', line 340

def disable_items(*idents)
  idents.each { | ident | enable( @commands[ident], false ) }
end

#enable_items(*idents) ⇒ Object Also known as: enable_item

pass a series of symbol idents eg :save_project, :close



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# File 'lib/weft/wxgui/workarea.rb', line 335

def enable_items(*idents)
  idents.each { | ident | enable( @commands[ident], true ) }
end

#uncheck_items(*idents) ⇒ Object Also known as: uncheck_item 



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# File 'lib/weft/wxgui/workarea.rb', line 350

def uncheck_items(*idents)
  idents.each { | ident | check( @commands[ident], false ) }
end