Class: RailsUI

Inherits:
BaseUI show all
Defined in:
lib/libisi/ui/rails.rb

Instance Method Summary collapse

Methods inherited from BaseUI

#bell, #colorize, #error, #execute_in_console, #info_non_blocking, #name, #not_implemented, #pinc, #pmsg, #progress_bar, #progress_bar_enabled?, #question, #question_yes_no, #question_yes_no_retry, #select, #select_index, #warn

Instance Method Details

#enable_progress_bar(val = true, &block) ⇒ Object

PROGRESS



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# File 'lib/libisi/ui/rails.rb', line 26

def enable_progress_bar(val = true, &block)
  raise "Need block around progress for rails ui." unless block_given?
  params = eval("params",block.binding)
  if val and not params[:no_progress]
    @progress = true
    
    progress_name = params[:progress_name]
    
    if progress_name
	eval("@progress_name = #{progress_name.inspect}",block.binding)
	if params[:real_task]
 # now this processid will stay until
 # the task is finished, takover the file
 orig_file = progress_file(progress_name)
 new_file = progress_file(current_progress_name)
 begin
   FileUtils.mv(orig_file,new_file)
   orig_file.make_symlink(new_file)

   $progress_cache[Process.pid] = load_progress
 
   # this is the real task, go for it
   yield
   eval('render :layout => false', block.binding)
 ensure
   orig_file.delete if orig_file.exist?
   new_file.delete if new_file.exist?
   $progress_cache[Process.pid] = nil
 end
	else
 # this is the progressbar call, render it
 eval('render :layout => false, :action => "../application/progress_bar"', block.binding)
	end
    else
	# this is the initialization step
	# create a new id for the progressbar
	# this name must be able to be an id of a html tag
	progress_name = current_progress_name
	# make it unique
	progress_name += "#{Time.now.to_i}"
	eval("@progress_name = #{progress_name.inspect}",block.binding)
	
	$progress_cache[Process.pid] = {}
	save_progress(progress_name)
	$progress_cache[Process.pid] = nil
	
	# render a page with progressbar
	# and a content for the main page
	eval('render :action => "../application/progress_page"', block.binding)
    end
  else
    @progress = false
    yield
  end
  @progress = false
end

#info(text, options = {}) ⇒ Object 



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# File 'lib/libisi/ui/rails.rb', line 21

def info(text, options = {})
  print "#{text}\n"
end

#progress(count) ⇒ Object 



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# File 'lib/libisi/ui/rails.rb', line 95

def progress(count)
  $progress_cache[Process.pid][:current] = count
  save_progress
end

#progress_bar_implementation(text, total, &block) ⇒ Object 



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# File 'lib/libisi/ui/rails.rb', line 83

def progress_bar_implementation(text, total, &block)
  if progress_bar_enabled?
    $progress_cache[Process.pid] = {:count => total.to_i, :current => 0, :text => text}
    save_progress
    yield
    $progress_cache[Process.pid] = nil
    save_progress
  else
    yield
  end
end

#progress_inc ⇒ Object 



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# File 'lib/libisi/ui/rails.rb', line 99

def progress_inc
  $progress_cache[Process.pid][:current] += 1
  save_progress
end

#progress_message(text) ⇒ Object 



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# File 'lib/libisi/ui/rails.rb', line 103

def progress_message(text)
  $progress_cache[Process.pid][:text] = text
  save_progress
end

#progress_values(name) ⇒ Object 



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# File 'lib/libisi/ui/rails.rb', line 108

def progress_values(name)
  load_progress(name)
end