#############################################################################
##           This file is part of the Ostendo Resource Manager.            ##
##-------------------------------------------------------------------------##
## Copyright 2007-2008 Bryce Schroeder                                     ##
## bryce.schroeder@gmail.com                                               ##
## http://www.ferazelhosting.net/~bryce/                                   ##
##-------------------------------------------------------------------------##
##  This program is free software: you can redistribute it and/or modify   ##
##  it under the terms of the GNU General Public License as published by   ##
##  the Free Software Foundation, either version 3 of the License, or      ##
##  (at your option) any later version.                                    ##
##  This program is distributed in the hope that it will be useful,        ##
##  but WITHOUT ANY WARRANTY; without even the implied warranty of         ##
##  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          ##
##  GNU General Public License for more details.                           ##
##  You should have received a copy of the GNU General Public License      ##
##  along with this program.  If not, see <http://www.gnu.org/licenses/>.  ##
#############################################################################
#TODO - determine if this is finished or not!
from .standard_interpreters import Resource, R
from .g import g
import cStringIO
import pygame, interface
module = type(pygame)

class Interface(Resource):
    MANDATORY = ['code']
    #OPTIONAL = ['meta']
    def init(self):
        self.meta = {}
        if self.parts.has_key('meta'):
            self.meta = self.process_meta(self.parts['meta'])
        locals = {}
        exec self.parts['code'] in globals(), locals
        
        # allow the user to specifiy multiple windows
        # and inital parameters via this mechaism.
        self.setup = locals['setup']
        # there is now the matter of possibly an event handler.
        handler = self.meta.get("handler", None)
        if handler: 
            self.handler = locals[handler]()    
        else:
            self.handler = None
            
        # maybe there are premade configurations?
        self.configs = locals.get("configurations", None)
        self.locals = locals
        self.setup.func_globals.update(locals)
            
    def make(self, group=None):
        """
        Bind this window to a Window Group layer.
        If group is None, a new one will be created and returned.
        """
        if not group: group = interface.WindowGroup()
        
        for window in self.setup():
            group.add(window)
        
        if self.handler:
            self.handler.load()
            group.add_event_handler(self.handler)
        
        if self.configs:
            for k,v in self.configs().items():
                group.add_configuration(k,v)
        group.request_focus(None)
        return group