Class: BrowserIrb::MainController

Inherits:
Volt::ModelController
  • Object
show all
Defined in:
app/browser_irb/controllers/main_controller.rb

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ MainController

Returns a new instance of MainController.



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# File 'app/browser_irb/controllers/main_controller.rb', line 11

def initialize(*args)
  super

  @indented = false
  # Setup ESC keybinding
  `
  $(document).keyup(function(e) {
    if (e.keyCode == 27) {
      #{toggle_console}
    }
  });

  self.main_node = $('<div class="terminal-area">').appendTo('body');
  #{@term} = self.main_node.jqconsole(false, 'volt> ', '...');
  `

  restore_history

  prompt

end

Instance Method Details

#command(command, callback) ⇒ Object 



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# File 'app/browser_irb/controllers/main_controller.rb', line 61

def command(command, callback)
  if command.present?
    CommandTask.run(command).then do |code|
      if code == '...continue...'
        indent = @indented ? 0 : 2
        @indented = true
        `callback(indent);`
      else
        @indent = false
        `callback(false);`
        begin
          # Run the code returned from the server
          result = `eval(code)`
          `self.term.Write('=> ' + #{result.inspect} + "\n", 'line');`
        rescue => e
          `self.term.Write(#{e.inspect} + "\n", 'error');`
        end
      end

      stash_history
      prompt
    end.fail do |err|
      @indent = false
      `self.term.Write(err, 'error')`

      `callback(false);`
      stash_history
      prompt
    end
  else
    prompt
  end
end

#prompt ⇒ Object 



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# File 'app/browser_irb/controllers/main_controller.rb', line 50

def prompt
  `
  self.term.Prompt(true, function(input) {
    //self.$command(input);
  }, function (input, cb) {
    self.$command(input, cb);
    return false;
  }, true);
  `
end

#restore_history ⇒ Object 



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# File 'app/browser_irb/controllers/main_controller.rb', line 104

def restore_history
  `
  var data = sessionStorage.getItem('irbhistory');

  if (data) {
    data = JSON.parse(data);

    self.term.SetHistory(data);
  }
  `
end

#stash_history ⇒ Object 



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# File 'app/browser_irb/controllers/main_controller.rb', line 95

def stash_history
  `
  var history = self.term.GetHistory();

  history = history.slice(0, 50);
  sessionStorage.setItem('irbhistory', JSON.stringify(history));
  `
end

#toggle_console ⇒ Object 



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# File 'app/browser_irb/controllers/main_controller.rb', line 33

def toggle_console

  `if ($('body').is('.terminal-open')) {`
    `$('body').removeClass('terminal-open');`
    `$('.terminal-area').hide();`
    $stdout.write_proc = `typeof(process) === 'object' ? function(s){process.stdout.write(s)} : function(s){console.log(s)}`
    $stderr.write_proc = `typeof(process) === 'object' ? function(s){process.stderr.write(s)} : function(s){console.warn(s)}`
  `} else {`
    `$('body').addClass('terminal-open');`
    `$('.terminal-area').show();`
    $stdout.write_proc = proc {|str| `#{@term}.Write(str, 'line')` }
    $stderr.write_proc = proc {|str| `#{@term}.Write(str, 'error')` }

    `#{@term}.Focus();`
  `}`
end