Class: RWDialog

Inherits:
Object show all
Defined in:
lib/rwd/rwd.rb

Direct Known Subclasses

RWDLogin, RWDTimeOut

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(xml) ⇒ RWDialog

Returns a new instance of RWDialog.



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# File 'lib/rwd/rwd.rb', line 792

def initialize(xml)
  @rwd_xml			=  $rwd_gui_tinker
  # change from default ev - was xml
  @rwd_exitbrowser		= false
  @rwd_history		= []
  @rwd_ignore_vars		= []
  @rwd_call_after_back	= []
  @rwd_time			= Time.now

  $rwd_appvars	= {}	if $rwd_appvars.nil?
  XML.new(xml).parse(OpenTag, "application") do |type, obj|
    obj.args.deep_dup.each do |k, v|
      $rwd_appvars[k]	= v
    end
  end
end

Class Method Details

.file(rwdfile, *args) ⇒ Object 



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# File 'lib/rwd/rwd.rb', line 809

def self.file(rwdfile, *args)
  new(File.new(rwdfile).readlines, *args)
end

Instance Method Details

#download(data, filename = "") ⇒ Object 



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# File 'lib/rwd/rwd.rb', line 1091

def download(data, filename="")
  @rwd_download	= data
  @rwd_download_file	= filename
end

#error(msg, &block) ⇒ Object 



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# File 'lib/rwd/rwd.rb', line 1049

def error(msg, &block)
  @rwd_msg		= msg
  @rwd_msgtype	= "error"
end

#exitbrowser ⇒ Object 



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# File 'lib/rwd/rwd.rb', line 1096

def exitbrowser
  @rwd_exitbrowser	= true
end

#message(msg, &block) ⇒ Object 



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# File 'lib/rwd/rwd.rb', line 1044

def message(msg, &block)
  @rwd_msg		= msg
  @rwd_msgtype	= "message"
end

#progressbar(refresh, *progress) ⇒ Object 



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# File 'lib/rwd/rwd.rb', line 1059

def progressbar(refresh, *progress)
  @rwd_progress_refresh	= (refresh or 1)
  @rwd_progress_progress	= []

  while not progress.empty?
    s	= (progress.shift or "")
    if s.kind_of?(Array)
      caption, value	= s
      value	= (value or 0.0).to_f
    else
      caption	= s
      value	= (progress.shift or 0.0).to_f
    end

    @rwd_progress_progress << [caption, value]
  end

  if @rwd_progress_thread.nil?
    @rwd_progress_progress.each do |a|
      a[1]	= 0.0
    end

    @rwd_progress_thread =
    Thread.new do
      yield
    end
    Thread.pass
  end

  @rwd_progress_thread	= nil	unless @rwd_progress_thread.alive?
end

#render(res, path, post, download, downloadfile, pda, sessionid) ⇒ Object 



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# File 'lib/rwd/rwd.rb', line 836

def render(res, path, post, download, downloadfile, pda, sessionid)
# Avoid a timeout.

  @rwd_time		= Time.now

# Initialize some vars.

  vars		= Hash.new	if vars.nil?
  @rwd_switches	= Hash.new	if @rwd_switches.nil?

  done		= false
  help		= false
  back		= false
  tab			= ""
  @rwd_progress_thread = nil
  @rwd_msgtype	= nil	if @rwd_progress_thread.nil?
  @rwd_download	= nil
  @rwd_download_file	= nil

# Switches are used for checkboxes.

  @rwd_switches.each do |key, value|
    vars[key]	= "off"
  end

  @rwd_switches	= Hash.new

# Copy the vars from the window to vars. vars wil later on be copied to instance variables.

  post.sort.each do |key, value|
    puts  "Post: #{key} -> #{value.from_html.inspect}"	if $rwd_debug
 if $DEBUG
	$stderr.puts  "Post: #{key} -> #{value.from_html.inspect}\n"
	end
    vars[key]	= value.from_html
     if $DEBUG
	$stderr.puts  " #{value.from_html}\n"
	end
  end

# Stack handling for rwd_action, rwd_window and rwd_tab.

  @rwd_action			= vars["rwd_action"]		if vars.include?("rwd_action")
  @rwd_action, @rwd_args	= @rwd_action.split(/\//, 2)	unless @rwd_action.nil?
  @rwd_action, rest		= @rwd_action.split(/\?/)	unless @rwd_action.nil?

  @rwd_refresh_action		= (@rwd_action or @rwd_refresh_action or "main")

  unless rest.nil?
    rest.each do |s|
      k, v	= s.split(/=/, 2)
      vars[k]	= v
    end
  end

  if @rwd_action == "rwd_cancel"
    @rwd_progress_thread.kill		unless @rwd_progress_thread.nil?
    @rwd_progress_thread	= nil
    @rwd_action		= "rwd_back"
  end

  @rwd_history	= [["main", [], "main", ""]]	if @rwd_history.empty?

  if @rwd_action =~ /^rwd_tab_/
    @rwd_tab	= @rwd_action.sub(/^rwd_tab_/, "")
    @rwd_history[-1][3]	= @rwd_tab
  else
    case @rwd_action
    when "rwd_back"
      @rwd_history.pop
      @rwd_action			= (@rwd_history[-1] or [nil, nil, nil])[0]
      @rwd_args			= (@rwd_history[-1] or [nil, nil, nil])[1]
      @rwd_window			= (@rwd_history[-1] or [nil, nil, nil])[2]
      @rwd_tab			= (@rwd_history[-1] or [nil, nil, nil])[3]
      back				= true
    when "rwd_help"
      help				= true
    when "rwd_main"
      @rwd_action			= nil
      @rwd_window			= nil
      @rwd_tab			= nil
      @rwd_history			= []
    when "rwd_quit"
      done				= true
    else
    end

# History stuff

    @rwd_history	= @rwd_history[-100..-1]	if @rwd_history.length >= 100
    @rwd_action	= "main"			if @rwd_action.nil?
    @rwd_action	= "main"			if @rwd_action.empty?
    @rwd_window	= "main"			if @rwd_window.nil?
    @rwd_window	= "main"			if @rwd_window.empty?
    @rwd_tab		= ""				if @rwd_tab.nil?
    @rwd_args		= []				if @rwd_args.nil?
    @rwd_args		= []				if @rwd_action == "main"

    vars["rwd_action"]	= @rwd_action
    vars["rwd_window"]	= @rwd_window
    vars["rwd_tab"]		= @rwd_tab

# Copy vars from window to instance.

    vars.each do |k, v|
     if $DEBUG
	$stderr.puts  "Post: #{k} -> #{v}\n"
	end
     		if ((not k.empty?) and k.scan(/^rwd_/).empty? and not @rwd_ignore_vars.include?("@#{k}"))
	
	 instance_eval "@#{k}	= ''"
	instance_variable_set("@#{k}", vars.fetch("#{k}"))   
	       if $DEBUG
	$stderr.puts  "Post: #{k} -> #{v}\n"
	end
end	 
    end

# Callback.

    if (not back) or @rwd_call_after_back.include?(@rwd_action)
      unless @rwd_action =~ /^rwd_/
        puts  "Method: #{@rwd_action}(#{@rwd_args.join(", ")})"	if $rwd_debug
        if methods.include?(@rwd_action)
          method(@rwd_action).call(*@rwd_args)
        else
          puts "Method '%s' is not defined." % @rwd_action
        end
      end

# History stuff

      @rwd_history	= [["main", [], "main", ""]]	if @rwd_action == "main"
      @rwd_history	= [["main", [], "main", ""]]	if @rwd_history.empty?

      a		= [@rwd_action, @rwd_args, @rwd_window, @rwd_tab]

      @rwd_history.push a				if (@rwd_history[-1] != a or not @rwd_msgtype.nil?)

      if @rwd_window == "rwd_back"
        @rwd_history.pop
        @rwd_history.pop
        @rwd_action			= (@rwd_history[-1] or [nil, nil, nil])[0]
        @rwd_args			= (@rwd_history[-1] or [nil, nil, nil])[1]
        @rwd_window			= (@rwd_history[-1] or [nil, nil, nil])[2]
        @rwd_tab			= (@rwd_history[-1] or [nil, nil, nil])[3]
      end
    end
  end

# Copy vars from instance to window.

  instance_variables.each do |k|
    k.sub!(/^@/, "")
    instance_eval "vars['#{k}'] = @#{k}.to_s"	if (k.scan(/^rwd_/).empty? and not @rwd_ignore_vars.include?("@#{k}"))
  end

# just ignore.

  vars.sort.each do |key, value|
    puts  "Pre: #{key} -> #{value.inspect}"	if $rwd_debug
  end


# Answer to browser.

  if done
    res << RWDDone.new(@rwd_exitbrowser).render(pda)
  else
    if not @rwd_download.nil?
      puts "Download: #{@rwd_window}"		if $rwd_debug

      download	<< @rwd_download
      downloadfile	<< @rwd_download_file
    else
      if not @rwd_progress_thread.nil?
        res << RWDProgressBar.new(@rwd_progress_refresh, @rwd_progress_progress).render(pda, @rwd_refresh_action)
      else
        if not @rwd_msgtype.nil?
          res << RWDMessage.new(@rwd_msg).render(pda)	if @rwd_msgtype == "message"
          res << RWDError.new(@rwd_msg).render(pda)	if @rwd_msgtype == "error"
          res << @rwd_msg				if @rwd_msgtype == "text"
        else
         puts   "Window: #{@rwd_window}"		if $rwd_debug
          puts  "Tab: #{@rwd_tab}"		if $rwd_debug

begin # error block
    if @rwd_window.empty? 
     @rwd_window = "main"
     end
          res << RWDWindow.new($rwd_gui_tinker, @rwd_window).render(pda, @rwd_refresh_action, vars, @rwd_switches, help, @rwd_tab)
rescue
 if $DEBUG
 $stderr.puts  "error in render"
 end
 end
end
      end
    end
  end

  return done
end

#samewindow? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rwd/rwd.rb', line 1040

def samewindow?
  @rwd_history[-1][2] == @rwd_window
end

#serve(port = nil, auth = nil, realm = self.class.to_s) ⇒ Object 



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# File 'lib/rwd/rwd.rb', line 813

def serve(port=nil, auth=nil, realm=self.class.to_s)
  exit	if $rwd_exit

  raise "RWD is not initialized."	if @rwd_xml.nil?

  low, high	= ENV["RWDPORTS"].split(/[^\d+]/)
  high	= low	if high.nil?
  low, high	= low.to_i, high.to_i

  io		= nil

  port, io	= TCPServer.freeport(low, high, (not auth.nil?))	if port.nil?
  raise "No free TCP port."						if port.nil?

  port	= port.to_i

  @rwd_server	= RWDServer.new(self, port, io, auth, realm)

  self
end

#text(msg) ⇒ Object 



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# File 'lib/rwd/rwd.rb', line 1054

def text(msg)
  @rwd_msg		= "<html><body><pre>#{msg}</pre></body></html>"
  @rwd_msgtype	= "text"
end

#timeout(timeout, interval = 1) ⇒ Object 



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# File 'lib/rwd/rwd.rb', line 1100

def timeout(timeout, interval=1)
  @rwd_timeout	= timeout

  unless @rwd_timeout_thread
    @rwd_timeout_thread =
    Thread.new do
      loop do
        if Time.now - @rwd_time > @rwd_timeout
          $stderr.puts "Exiting due to timeout (#{@rwd_timeout} seconds)."
          exit 1
        end
        sleep interval
      end
    end
  end
end