Class: Watobo::Plugin::Crawler::Gui::HooksFrame

Inherits:
FXVerticalFrame
  • Object
show all
Defined in:
plugins/crawler/gui/hooks_frame.rb

Instance Method Summary collapse

Constructor Details

#initialize(owner) ⇒ HooksFrame

Returns a new instance of HooksFrame.



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# File 'plugins/crawler/gui/hooks_frame.rb', line 74

def initialize(owner)
  super(owner, :opts => LAYOUT_FILL_X|LAYOUT_FILL_Y|FRAME_RAISED|FRAME_THICK, :padding => 0)
  main = FXVerticalFrame.new(self, LAYOUT_FILL_X|LAYOUT_FILL_Y)

  gbframe = FXGroupBox.new(main, "Pre-Connection", LAYOUT_SIDE_RIGHT|FRAME_GROOVE|LAYOUT_FILL_X|LAYOUT_FILL_Y, 0, 0, 0, 0)
  frame = FXVerticalFrame.new(gbframe, :opts => LAYOUT_FILL_X|LAYOUT_FILL_Y, :padding => 0)
  #text_frame = FXHorizontalFrame.new(frame, :opts => LAYOUT_FILL_X|LAYOUT_FILL_Y|FRAME_NONE, :padding =>0)
  fxtext = FXText.new(frame, :opts => LAYOUT_FILL_X|TEXT_WORDWRAP)
  fxtext.backColor = fxtext.parent.backColor
  fxtext.disable
  text = "You can define a script which gets executed just before each connection. So you are able to modify the Mechanize::Agent and Mechanize::Requests just before the request is sent to the server.\n"
  text << "For more information about pre_connection_hooks check the Mechanize homepage (http://mechanize.rubyforge.org/)."

  fxtext.setText(text)

  FXLabel.new(frame, "lambda{ |agent, request|")
  txt_frame = FXVerticalFrame.new(frame, LAYOUT_FILL_X|LAYOUT_FILL_Y|FRAME_SUNKEN|FRAME_THICK, :padding => 0)
  @pre_txt = FXText.new(txt_frame, :opts => LAYOUT_FILL_X|LAYOUT_FILL_Y|TEXT_WORDWRAP)
  FXLabel.new(frame, "}")
  @pre_txt.setText("")
  # cannot set the focus here because of a crash on ubuntu systems
  # https://bugs.launchpad.net/ubuntu/+source/fox1.6/+bug/887038
  #  @pre_txt.setFocus()
end

Instance Method Details

#pre_conn_code ⇒ Object 



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# File 'plugins/crawler/gui/hooks_frame.rb', line 67

def pre_conn_code
  return "" if @pre_txt.text.empty?
  code = "lambda { |agent,request|\n"
  code << @pre_txt.text
  code << "\n}"
end

#pre_conn_hook ⇒ Object 



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# File 'plugins/crawler/gui/hooks_frame.rb', line 36

def pre_conn_hook
  return nil unless pre_conn_valid?
  hook = eval(pre_conn_code)
 
  hook
end

#pre_conn_valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'plugins/crawler/gui/hooks_frame.rb', line 47

def pre_conn_valid?
  return false if pre_conn_code.empty?
  begin
    eval(pre_conn_code)
    return true
  rescue SyntaxError, LocalJumpError, NameError => e
  #  puts "Error in PreConnCode!!"
  #  puts e
  #  puts e.backtrace
    raise SyntaxError, "SyntaxError in Pre-Connect-Code'#{expr}'"
    #return false
  rescue => bang
    puts bang
    puts bang.backtrace
   return false
  #raise bang
  end

end

#selected ⇒ Object 



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# File 'plugins/crawler/gui/hooks_frame.rb', line 43

def selected
  @pre_txt.setFocus()
end

#to_h ⇒ Object 



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# File 'plugins/crawler/gui/hooks_frame.rb', line 29

def to_h
  hooks = {}
  pch = pre_conn_hook
  hooks[:pre_connect_hook] = pch if pch.respond_to? :call
  
  hooks
end