from xen.sv.util import * from xen.sv.HTMLBase import HTMLBase from xen.sv.GenTabbed import GenTabbed, ActionTab from xen.xend import sxp import re DEBUG = 0 class Wizard( GenTabbed ): def __init__( self, urlWriter, title, sheets ): self.title = title self.sheets = sheets self.urlWriter = urlWriter self.offset = 0 GenTabbed.__init__( self, title, urlWriter, map( lambda x: x.title, sheets ), sheets ) def write_MENU( self, request ): request.write( "

%s

" % (self.urlWriter( '' ), self.title) ) def write_BODY( self, request ): GenTabbed.write_BODY( self, request ) actionTab = ActionTab( { ("tab", str(self.tab-1)) : "< Prev", ("tab", str(self.tab+1)) : "Next >", "finish" : "Finish" } ) actionTab.write_BODY( request ) def perform( self, request ): try: action = getVar( 'op', request, 0 ) if action == "tab": self.tab = int( getVar( 'args', request ) ) oldtab = int( getVar( 'tab', request ) ) if not self.tabObjects[ oldtab ]( self.urlWriter ).validate( request ): self.tab = oldtab else: self.tab = int( getVar( 'tab', request, 0 ) ) self.tabObjects[ self.tab ]( self.urlWriter ).perform( request ) getattr( self, "op_" + getVar( "op", request ), None )( request ) except: pass def op_finish( self, request ): pass class Sheet( HTMLBase ): def __init__( self, urlWriter, title, location ): HTMLBase.__init__( self ) self.urlWriter = urlWriter self.fields = [] self.title = title self.location = location self.passback = None def parseForm( self, request ): do_not_parse = [ 'mod', 'op', 'passback' ] passed_back = request.args temp_passback = passed_back.get( "passback" ) if temp_passback is not None and len( temp_passback ) > 0: temp_passback = temp_passback[ len( temp_passback )-1 ] else: temp_passback = "( )" last_passback = ssxp2hash( string2sxp( temp_passback ) ) #use special function - will work with no head on sxp if DEBUG: print last_passback for (key, value) in passed_back.items(): if key not in do_not_parse: last_passback[ key ] = value[ len( value ) - 1 ] self.passback = sxp2string( hash2sxp( last_passback ) ) #store the sxp if DEBUG: print self.passback def write_BODY( self, request ): if not self.passback: self.parseForm( request ) request.write( "

%s

" % self.title ) previous_values = ssxp2hash( string2sxp( self.passback ) ) #get the hash for quick reference request.write( "" ) for (field, control) in self.fields: control.write_Control( request, previous_values.get( field ) ) if previous_values.get( field ) is not None and not control.validate( previous_values.get( field ) ): control.write_Help( request ) request.write( "
" ) request.write( "

" % self.passback ) #request.write( "

" % self.location ) def addControl( self, control ): self.fields.append( [ control.getName(), control ] ) def validate( self, request ): if not self.passback: self.parseForm( request ) check = True previous_values = ssxp2hash( string2sxp( self.passback ) ) #get the map for quick reference if DEBUG: print previous_values for (field, control) in self.fields: if not control.validate( previous_values.get( field ) ): check = False if DEBUG: print "> %s = %s" % (field, previous_values.get( field )) return check class SheetControl( HTMLBase ): def __init__( self, reg_exp = ".*" ): HTMLBase.__init__( self ) self.name = "" self.reg_exp = reg_exp def write_Control( self, request, persistedValue ): request.write( "%s" % persistedValue ) def write_Help( self, request ): request.write( "

Text must match pattern:" ) request.write( " %s

" % self.reg_exp ) def validate( self, persistedValue ): if persistedValue is None: persistedValue = "" return not re.compile( self.reg_exp ).match( persistedValue ) is None def getName( self ): return self.name def setName( self, name ): self.name = name class InputControl( SheetControl ): def __init__( self, name, defaultValue, humanText, reg_exp = ".*", help_text = "You must enter the appropriate details in this field." ): SheetControl.__init__( self, reg_exp ) self.setName( name ) self.defaultValue = defaultValue self.humanText = humanText self.help_text = help_text def write_Control( self, request, persistedValue ): if persistedValue is None: persistedValue = self.defaultValue request.write( "

%s

" % (self.humanText, self.getName(), persistedValue) ) def write_Help( self, request ): request.write( "

" ) request.write( " %s

" % self.help_text ) class TextControl( SheetControl ): def __init__( self, text ): SheetControl.__init__( self ) self.text = text def write_Control( self, request, persistedValue ): request.write( "

%s

" % self.text ) class SmallTextControl( SheetControl ): def __init__( self, text ): SheetControl.__init__( self ) self.text = text def write_Control( self, request, persistedValue ): request.write( "

%s

" % self.text ) class ListControl( SheetControl ): def __init__( self, name, options, humanText ): SheetControl.__init__( self ) self.setName( name ) self.options = options self.humanText = humanText def write_Control( self, request, persistedValue ): request.write( "

%s

" % self.humanText ) request.write( "" ) def validate( self, persistedValue ): for (value, text) in self.options: if value == persistedValue: return True return False class FileControl( InputControl ): def __init__( self, name, defaultValue, humanText, reg_exp = ".*", help_text = "You must enter the appropriate details in this field." ): InputControl.__init__( self, name, defaultValue, humanText ) def validate( self, persistedValue ): if persistedValue is None: return False try: open( persistedValue ) return True except IOError, TypeError: return False def write_Help( self, request ): request.write( "

File does not exist: you must enter a valid, absolute file path.

" ) class TickControl( SheetControl ): def __init__( self, name, defaultValue, humanText ): SheetControl.__init__( self ) self.setName( name ) self.defaultValue = defaultValue self.humanText = humanText def write_Control( self, request, persistedValue ): request.write( "

%s

" % self.humanText ) #request.write( str( persistedValue ) ) #TODO: Theres a problem with this: it doesn't persist an untick, because the browsers don't pass it back. Need a fix... if persistedValue == 'True': request.write( "" % self.getName() ) else: request.write( "" % self.getName() ) request.write( "" )