Module: ShenmeGUI

Defined in:
lib/shenmegui/core.rb,
lib/shenmegui/utils.rb,
lib/shenmegui/controls.rb,
lib/shenmegui/file_dialog.rb

Defined Under Namespace

Modules: Control, FileDialog

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.elements ⇒ Object (readonly)

Returns the value of attribute elements.



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# File 'lib/shenmegui/core.rb', line 10

def elements
  @elements
end

.socket ⇒ Object

Returns the value of attribute socket.



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# File 'lib/shenmegui/core.rb', line 9

def socket
  @socket
end

.this ⇒ Object (readonly)

Returns the value of attribute this.



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# File 'lib/shenmegui/core.rb', line 10

def this
  @this
end

Class Method Details

.alert(msg) ⇒ Object 



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# File 'lib/shenmegui/core.rb', line 42

def alert(msg)
  data = {message: msg}
  @socket.send("alert:0->#{data.to_json}")
end

.app(params = {}, &block) ⇒ Object 



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# File 'lib/shenmegui/core.rb', line 31

def app(params={}, &block)
  body(params, &block)
  #找一个空闲的端口，不太好看
  temp_server = TCPServer.open('localhost', 0)
  @port = temp_server.addr[1]
  temp_server.close
  app_dir = File.expand_path($PROGRAM_NAME).match(/(.+)\/.+/)[1]
  File.open("#{app_dir}/index.html", 'w'){ |f| f.write @elements[0].render(port: @port) }
  nil
end

.enable_debugging ⇒ Object 



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# File 'lib/shenmegui/core.rb', line 55

def enable_debugging
  Thread.new do
    ShenmeGUI.instance_eval do
      bind = binding
      while true
        begin
          command = $stdin.gets.chomp
          result = bind.eval command
          puts "=> #{result}"
        rescue
          puts "#{$!}"
        end
      end
    end

  end
end

.get_open_file_name(params = {}) ⇒ Object 



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# File 'lib/shenmegui/core.rb', line 47

def get_open_file_name(params={})
  FileDialog.get_open_file_name(params)
end

.get_save_file_name(params = {}) ⇒ Object 



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# File 'lib/shenmegui/core.rb', line 51

def get_save_file_name(params={})
  FileDialog.get_save_file_name(params)
end

.handle(msg) ⇒ Object 



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# File 'lib/shenmegui/core.rb', line 12

def handle(msg)
  match_data = msg.match(/(.+?):(\d+)(?:->)?({.+?})?/)
  command = match_data[1].to_sym
  id = match_data[2].to_i
  target = @elements[id]
  data = JSON.parse(match_data[3]) if match_data[3]
  case command
    when :sync
      target.update_properties(data)
    else
      event_lambda = target.events[command]
      @this = @elements[id]
      ShenmeGUI.instance_exec(&event_lambda) if event_lambda
      @this = nil

  end
  target
end

.start! ⇒ Object 



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# File 'lib/shenmegui/core.rb', line 73

def start!
  ws_thread = Thread.new do
    EM.run do
      EM::WebSocket.run(:host => "0.0.0.0", :port => @port) do |ws|
        ws.onopen do
          puts "WebSocket connection open"
          @elements.each do |e|
            e.sync_events
            e.sync
          end
        end

        ws.onclose { puts "Connection closed" }

        ws.onmessage do |msg|
          puts "Recieved message: #{msg}"
          handle msg
        end

        @socket = ws
      end
    end
  end
  begin
    app_dir = File.expand_path($PROGRAM_NAME).match(/(.+)\/.+/)[1]
    index_path = "#{app_dir}/index.html"
    if Gem.win_platform?
      `start file:///#{index_path}`
    elsif Gem.platforms[1].os == 'linux'
      `xdg-open file:///#{index_path}`
    end
  rescue
  end

  ws_thread.join
rescue Interrupt
  puts 'bye~'
end