Class: Glimmer::Wx::SizerProxy

Inherits:
Object
  • Object
show all
Includes:
DataBindable
Defined in:
lib/glimmer/wx/sizer_proxy.rb

Overview

Proxy for Wx sizer objects

Follows the Proxy Design Pattern

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from DataBindable

#data_bind, #data_bind_read, #data_bind_write, #data_binding_model_attribute_observer_registrations

Constructor Details

#initialize(keyword, parent, args, &block) ⇒ SizerProxy

Returns a new instance of SizerProxy.



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# File 'lib/glimmer/wx/sizer_proxy.rb', line 100

def initialize(keyword, parent, args, &block)
  @keyword = keyword
  @parent_proxy = parent
  @args = args
  @block = block
  build_sizer
  post_add_content if @block.nil?
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method_name, *args, &block) ⇒ Object 



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# File 'lib/glimmer/wx/sizer_proxy.rb', line 127

def method_missing(method_name, *args, &block)
  if @wx.respond_to?(method_name, true)
    @wx.send(method_name, *args, &block)
  else
    super
  end
end

Instance Attribute Details

#args ⇒ Object (readonly)

wx returns the contained LibUI object



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# File 'lib/glimmer/wx/sizer_proxy.rb', line 97

def args
  @args
end

#block ⇒ Object (readonly)

wx returns the contained LibUI object



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# File 'lib/glimmer/wx/sizer_proxy.rb', line 97

def block
  @block
end

#content_added ⇒ Object (readonly) Also known as: content_added?

wx returns the contained LibUI object



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# File 'lib/glimmer/wx/sizer_proxy.rb', line 97

def content_added
  @content_added
end

#keyword ⇒ Object (readonly)

wx returns the contained LibUI object



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# File 'lib/glimmer/wx/sizer_proxy.rb', line 97

def keyword
  @keyword
end

#parent_proxy ⇒ Object (readonly)

wx returns the contained LibUI object



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# File 'lib/glimmer/wx/sizer_proxy.rb', line 97

def parent_proxy
  @parent_proxy
end

#wx ⇒ Object (readonly)

wx returns the contained LibUI object



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# File 'lib/glimmer/wx/sizer_proxy.rb', line 97

def wx
  @wx
end

Class Method Details

.constant_symbol(keyword) ⇒ Object 



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# File 'lib/glimmer/wx/sizer_proxy.rb', line 60

def constant_symbol(keyword)
  "#{keyword.to_s.camelcase(:upper)}Proxy".to_sym
end

.create(keyword, parent, args, &block) ⇒ Object 



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# File 'lib/glimmer/wx/sizer_proxy.rb', line 40

def create(keyword, parent, args, &block)
  sizer_proxy_class(keyword).new(keyword, parent, args, &block)
end

.descendant_keyword_constant_map ⇒ Object 



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# File 'lib/glimmer/wx/sizer_proxy.rb', line 72

def descendant_keyword_constant_map
  @descendant_keyword_constant_map ||= map_descendant_keyword_constants_for(self)
end

.exists?(keyword) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/glimmer/wx/sizer_proxy.rb', line 32

def exists?(keyword)
  keyword.end_with?('_sizer') and
    (
      ::Wx.constants.include?(wx_constant_symbol(keyword)) or
      descendant_keyword_constant_map.keys.include?(keyword)
    )
end

.keyword(constant_symbol) ⇒ Object 



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# File 'lib/glimmer/wx/sizer_proxy.rb', line 68

def keyword(constant_symbol)
  constant_symbol.to_s.underscore.sub(/_proxy$/, '')
end

.map_descendant_keyword_constants_for(klass, accumulator: {}) ⇒ Object 



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# File 'lib/glimmer/wx/sizer_proxy.rb', line 81

def map_descendant_keyword_constants_for(klass, accumulator: {})
  klass.constants.map do |constant_symbol|
    [constant_symbol, klass.const_get(constant_symbol)]
  end.select do |constant_symbol, constant|
    constant.is_a?(Module) && !accumulator.values.include?(constant)
  end.each do |constant_symbol, constant|
    accumulator[keyword(constant_symbol)] = constant
    map_descendant_keyword_constants_for(constant, accumulator: accumulator)
  end
  accumulator
end

.new_sizer(keyword, parent, args) ⇒ Object 



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# File 'lib/glimmer/wx/sizer_proxy.rb', line 48

def new_sizer(keyword, parent, args)
  args = args.clone || []
  if args.last.is_a?(Hash)
    args[-1] = args[-1].clone
  end
  ::Wx.const_get(wx_constant_symbol(keyword)).new(*args)
end

.reset_descendant_keyword_constant_map ⇒ Object 



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# File 'lib/glimmer/wx/sizer_proxy.rb', line 76

def reset_descendant_keyword_constant_map
  @descendant_keyword_constant_map = nil
  descendant_keyword_constant_map
end

.sizer_addable_method(keyword) ⇒ Object 



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# File 'lib/glimmer/wx/sizer_proxy.rb', line 64

def sizer_addable_method(keyword)
  "add_#{keyword}"
end

.sizer_proxy_class(keyword) ⇒ Object 



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# File 'lib/glimmer/wx/sizer_proxy.rb', line 44

def sizer_proxy_class(keyword)
  descendant_keyword_constant_map[keyword] || SizerProxy
end

.wx_constant_symbol(keyword) ⇒ Object 



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# File 'lib/glimmer/wx/sizer_proxy.rb', line 56

def wx_constant_symbol(keyword)
  keyword.to_s.camelcase(:upper).to_sym
end

Instance Method Details

#add(control_proxy, *args, &block) ⇒ Object 



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# File 'lib/glimmer/wx/sizer_proxy.rb', line 139

def add(control_proxy, *args, &block)
  @wx.add(control_proxy.wx, *args)
end

#add_sizer_addable(keyword, *args) ⇒ Object

Adds a sizer addable (visual things other than controls) Example: for keyword ‘growable_col`, sizer addable method is `add_growable_col`



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# File 'lib/glimmer/wx/sizer_proxy.rb', line 151

def add_sizer_addable(keyword, *args)
  @wx.send(SizerProxy.sizer_addable_method(keyword), *args)
end

#can_add_sizer_addable?(keyword) ⇒ Boolean

Checks if it can add a sizer addable (visual things other than controls) Example: for keyword ‘growable_col`, sizer addable method is `add_growable_col`

Returns:

  • (Boolean) 


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# File 'lib/glimmer/wx/sizer_proxy.rb', line 145

def can_add_sizer_addable?(keyword)
  @wx.respond_to?(SizerProxy.sizer_addable_method(keyword))
end

#content(&block) ⇒ Object 



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# File 'lib/glimmer/wx/sizer_proxy.rb', line 135

def content(&block)
  Glimmer::DSL::Engine.add_content(self, Glimmer::DSL::Libui::SizerExpression.new, @keyword, {post_add_content: @content_added}, &block)
end

#post_add_content ⇒ Object

Subclasses may override to perform post add_content work (normally must call super)



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# File 'lib/glimmer/wx/sizer_proxy.rb', line 110

def post_add_content
  unless @content_added
    @parent_proxy&.post_initialize_child(self)
    @content_added = true
  end
end

#post_initialize_child(child) ⇒ Object

Subclasses may override to perform post initialization work on an added child



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# File 'lib/glimmer/wx/sizer_proxy.rb', line 118

def post_initialize_child(child)
  # No Op by default
end

#respond_to?(method_name, *args, &block) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/glimmer/wx/sizer_proxy.rb', line 122

def respond_to?(method_name, *args, &block)
  @wx.respond_to?(method_name, true) ||
    super(method_name, true)
end