from dialog import *
class GLIDialog(Dialog):
	def __init__(self, dialog="dialog", DIALOGRC=None, compat="dialog", use_stdout=None):
			Dialog.__init__(self,dialog="dialog", DIALOGRC=None, compat="dialog", use_stdout=None)
	def form(self, formtitle, fields, **kwargs):
		"""Display a set of form fields.
	
		formtitle -- Title of the form
		fields -- ('Field Label', 'Max length,', 'Default Value')
			Field Label -- The label displayed before the input box
			Max Length -- The maximum size the input box should be
			Default Value -- A default value for the field (Optional)
		
		The form dialog allows one to build multiple inputs into one dialog box.
		Just like a web based form you use TAB to move between fields and ENTER
		to submit the dialog.
	
		It returns a tuple containing the form data.
		
		Typical usage:
			data = d.form('title', (('Interface',5,'eth0'),('IP Address', 15), ('Netmask', 15)))
		"""
	
		#Find the maximum size of the labels and boxes
		maxoptlen = 0
		maxinputlen = 0
		for field in fields:
			if len(field[0]) > maxoptlen:
				maxoptlen = len(field[0])

			if int(field[1]) > maxinputlen:
				maxinputlen = int(field[1])
	
		#Set the starting args
		formargs = ["--form", formtitle, len(fields)+5, maxinputlen + maxoptlen + 12, len(fields)]
	
		#Make the args for the fields
		counter = 1
		for field in fields:
			formargs.append(field[0])
			formargs.append(counter)

			if len(field) > 2:
				formargs.append(field[2])
			
			formargs.append(counter)
			formargs.append(maxoptlen+5)
			formargs.append(int(field[1])+1)
			formargs.append(field[1])

			counter = counter + 1
		
		#Run the dialog program	
		(code, output) = self._perform( *([formargs]),**kwargs)
	
		output = self._strip_xdialog_newline(output)
        
		return (code, output)
		
if __name__ == '__main__':
	d = GLIDialog()
	d.form('title', (('Interface',5,'eth0'),('IP Address', 15), ('Netmask', 15)))