Class: Glimmer::SWT::MessageBoxProxy

Inherits:
Object
  • Object
show all
Defined in:
lib/glimmer/swt/message_box_proxy.rb

Overview

Proxy for org.eclipse.swt.widgets.MessageBox

Follows the Proxy Design Pattern

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(parent, style) ⇒ MessageBoxProxy

Returns a new instance of MessageBoxProxy.



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# File 'lib/glimmer/swt/message_box_proxy.rb', line 37

def initialize(parent, style)
  # TODO consider consolidating with DialogProxy if it makes sense
  if parent.nil?
    @temporary_parent = parent = Glimmer::SWT::ShellProxy.new.swt_widget
  end
  @swt_widget = MessageBox.new(parent, style)
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

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



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# File 'lib/glimmer/swt/message_box_proxy.rb', line 83

def method_missing(method, *args, &block)
  DisplayProxy.instance.auto_exec do
    swt_widget.send(method, *args, &block)
  end
rescue => e
  begin
    super
  rescue Exception => inner_error
    Glimmer::Config.logger.error {"Neither MessageBoxProxy nor #{swt_widget.class.name} can handle the method ##{method}"}
    Glimmer::Config.logger.error {e.full_message}
    raise inner_error
  end
end

Instance Attribute Details

#swt_widget ⇒ Object (readonly)

Returns the value of attribute swt_widget.



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# File 'lib/glimmer/swt/message_box_proxy.rb', line 35

def swt_widget
  @swt_widget
end

Instance Method Details

#attribute_getter(attribute_name) ⇒ Object 



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# File 'lib/glimmer/swt/message_box_proxy.rb', line 63

def attribute_getter(attribute_name)
  "get#{attribute_name.to_s.camelcase(:upper)}"
end

#attribute_setter(attribute_name) ⇒ Object

TODO refactor the following methods to put in a JavaBean mixin or somethin (perhaps contribute to OSS project too)



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# File 'lib/glimmer/swt/message_box_proxy.rb', line 59

def attribute_setter(attribute_name)
  "set#{attribute_name.to_s.camelcase(:upper)}"
end

#content(&block) ⇒ Object 



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# File 'lib/glimmer/swt/message_box_proxy.rb', line 53

def content(&block)
  Glimmer::DSL::Engine.add_content(self, Glimmer::DSL::SWT::MessageBoxExpression.new, 'message_box', &block)
end

#get_attribute(attribute_name) ⇒ Object 



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# File 'lib/glimmer/swt/message_box_proxy.rb', line 77

def get_attribute(attribute_name)
  DisplayProxy.instance.auto_exec do
    @swt_widget.send(attribute_getter(attribute_name))
  end
end

#has_attribute?(attribute_name, *args) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/glimmer/swt/message_box_proxy.rb', line 67

def has_attribute?(attribute_name, *args)
  @swt_widget.respond_to?(attribute_setter(attribute_name), args)
end

#open ⇒ Object 



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# File 'lib/glimmer/swt/message_box_proxy.rb', line 45

def open
  DisplayProxy.instance.auto_exec do
    @swt_widget.open.tap do |result|
      @temporary_parent&.dispose
    end
  end
end

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

Returns:

  • (Boolean) 


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# File 'lib/glimmer/swt/message_box_proxy.rb', line 97

def respond_to?(method, *args, &block)
  super ||
    swt_widget.respond_to?(method, *args, &block)
end

#set_attribute(attribute_name, *args) ⇒ Object 



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# File 'lib/glimmer/swt/message_box_proxy.rb', line 71

def set_attribute(attribute_name, *args)
  DisplayProxy.instance.auto_exec do
    @swt_widget.send(attribute_setter(attribute_name), *args) unless @swt_widget.send(attribute_getter(attribute_name)) == args.first
  end
end