Class: Shoes::Console

Inherits:
Object
  • Object
show all
Defined in:
shoes-core/lib/shoes/console.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Console

Returns a new instance of Console.



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# File 'shoes-core/lib/shoes/console.rb', line 7

def initialize
  @queued_messages = Queue.new

  @messages = []
  @message_stacks = []
end

Instance Attribute Details

#message_stacks ⇒ Object (readonly)

Returns the value of attribute message_stacks.



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# File 'shoes-core/lib/shoes/console.rb', line 5

def message_stacks
  @message_stacks
end

#messages ⇒ Object (readonly)

Returns the value of attribute messages.



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# File 'shoes-core/lib/shoes/console.rb', line 5

def messages
  @messages
end

Instance Method Details

#add_message(type, message) ⇒ Object 



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# File 'shoes-core/lib/shoes/console.rb', line 91

def add_message(type, message)
  @messages << [type, message]
  add_message_stack(type, message, @messages.count - 1)
end

#add_message_stack(type, message, index = nil) ⇒ Object 



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# File 'shoes-core/lib/shoes/console.rb', line 96

def add_message_stack(type, message, index = nil)
  return unless defined?(@app) && @app.open?

  @app.instance_exec do
    append do
      @console.message_stacks << stack do
        background "#f1f5e1" if index.even?
        background rgb(220, 220, 220) if index.odd?
        para type, stroke: blue
        flow do
          stack margin: 4 do
            s = message.to_s
            para s, margin: 4, margin_top: 0
          end
        end
      end
    end
  end
end

#clear ⇒ Object 



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# File 'shoes-core/lib/shoes/console.rb', line 136

def clear
  messages.clear

  message_stacks.each(&:remove)
  message_stacks.clear
end

#copy ⇒ Object 



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# File 'shoes-core/lib/shoes/console.rb', line 122

def copy
  @app.clipboard = formatted_messages if messages.any?
end

#create_app ⇒ Object 



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# File 'shoes-core/lib/shoes/console.rb', line 26

def create_app
  # Capture ourself for access inside our app block
  console = self

  @app = Shoes.app do
    @console = console

    stack do
      flow do
        background black
        stack do
          tagline "Shoes Console", stroke: white
        end

        button "Copy", margin: 6, width: 80, height: 40, right: 170 do
          @console.copy
        end

        button "Save", margin: 6, width: 80, height: 40, right: 90 do
          @console.save
        end

        button "Clear", margin: 6, width: 80, height: 40, right: 10 do
          @console.clear
        end
      end
    end

    every 0.1 do
      # Periodically update UI with new log lines
      @console.drain_queued_messages
    end
  end

  # Synchronously drain queue first showing console
  drain_queued_messages
end

#debug(message) ⇒ Object 



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# File 'shoes-core/lib/shoes/console.rb', line 75

def debug(message)
  @queued_messages << [:debug, message]
end

#drain_queued_messages ⇒ Object 



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# File 'shoes-core/lib/shoes/console.rb', line 64

def drain_queued_messages
  10.times do
    # Non-blocking = true, so will raise ThreadError once we're done
    type, message = @queued_messages.pop(true)
    add_message(type, message)
  end
rescue ThreadError # rubocop:disable Lint/HandleExceptions
  # Queue's drained, carry on!
  # Disabled cop because this is Queue#pop's non-blocking API
end

#error(message) ⇒ Object 



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# File 'shoes-core/lib/shoes/console.rb', line 87

def error(message)
  @queued_messages << [:error, message]
end

#formatted_messages ⇒ Object 



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# File 'shoes-core/lib/shoes/console.rb', line 116

def formatted_messages
  @messages.inject("") do |memo, (type, message)|
    "#{memo}#{type.to_s.capitalize}\n #{message}\n\n"
  end
end

#info(message) ⇒ Object 



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# File 'shoes-core/lib/shoes/console.rb', line 79

def info(message)
  @queued_messages << [:info, message]
end

#save ⇒ Object 



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# File 'shoes-core/lib/shoes/console.rb', line 126

def save
  filename = @app.ask_save_file

  return unless filename

  File.open(filename, "w") do |f|
    f.write(formatted_messages)
  end
end

#show ⇒ Object 



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# File 'shoes-core/lib/shoes/console.rb', line 14

def show
  if showing?
    @app.focus
  else
    create_app
  end
end

#showing? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'shoes-core/lib/shoes/console.rb', line 22

def showing?
  @app&.open?
end

#warn(message) ⇒ Object 



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# File 'shoes-core/lib/shoes/console.rb', line 83

def warn(message)
  @queued_messages << [:warn, message]
end