Class: JRubyUtils::RubyObjectBrowser

Inherits:
Object
  • Object
show all
Defined in:
lib/apps/objecttree.rb

Overview

A Browser of objects for JRuby

Class Method Summary collapse

Class Method Details

.object_tree(object) ⇒ Object

Builds a tree which shows the structure of the given object



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# File 'lib/apps/objecttree.rb', line 49

def object_tree(object)
  SWT::Builder.go do
    shell "JRuby Object Viewer by JR - visit http://virtual-void.net" do
      tree(:verticalFill=>true,:horizontalFill=>true) do
        child do
          object {object}
          @object=container do
            label {|o|o.inspect}
            image {i("icons/arrow_right.gif")}

            # instance variables node
            child "instance_variables" do
              image {i("icons/flag_blue.gif")}
              children(lambda{|o|o.instance_variables.sort.collect! {|x|{:object=>o,:name=>x}  }}) do
                image {i("icons/flag_blue.gif")}
                label {|v|v[:name]}
                child do
                  object {|ar|
                    #puts "Object: #{ar}"
                    #name.last.instance_variable_get name
                    ar[:object].instance_variable_get ar[:name]
                  }
                  label {|o|o.to_s}
                  link {@object}
                end
              end
            end

            # methods node
            child "methods" do
              image {i("icons/page_text.gif")}
              children(lambda {|o|
                         o.methods.sort.collect! do |name|
                           {:method=>name,:object=>o}
                         end
                       }) do
                image {i("icons/page_text.gif")}
                label {|h|h[:method]}

                # execute method if it has no arguments
                conditional lambda{|h|
                  (-1..0).include? h[:object].method(h[:method]).arity
                } do
                  child do
                    object do |h|
                      begin
                        o=h[:object].dup
                        o.send(h[:method])
                      rescue Exception=>exc
                        exc
                      end
                    end
                    link {@object}
                  end
                end
              end
            end

            # class node
            child "class" do
              object {|o|o.class}
              @class=container do
                image {i("icons/icon_component.gif")}

                child do
                  image {i("icons/icon_component.gif")}
                  label{|c|c.to_s}
                  child "class_variables" do
                    image{i("icons/flag_red.gif")}
                    children(lambda{|c|c.class_variables.sort.collect! { |x|{:class=>c,:name=>x}}}) do
                      image{i("icons/flag_red.gif")}
                      label{|horizontalFill|h[:name]}
                      child do
                        image{i("icons/arrow_right.gif")}
                        label{|horizontalFill|h[:class].class_eval h[:name]}
                      end
                    end
                  end
                  link{@object}
                end

                # superclass node if appropriate
                conditional lambda{|c|c.superclass}do
                  child "superclass" do
                    image {i("icons/icon_component.gif")}
                    object{|c|c.superclass}
                    link{@class}
                  end
                end
              end
            end
          end
        end
      end
    end
  end
end