import nc
import emc2b

class NoAddress():
    def __init__(self, *args, **kwargs):
    	self.str = None
        
    def set(self, *args,**kwargs):
        pass
        
    def write(self, *args,**kwargs):
        return ''
        
class Creator(emc2b.Creator):
    def __init__(self):
        emc2b.Creator.__init__(self)
        self.s = NoAddress()
        self.can_do_helical_arcs = False
        self.output_tool_definitions = False
        
    def COOLANT_OFF(self): return('')
    def COOLANT_MIST(self): return('')
    def COOLANT_FLOOD(self): return('')
    
    def TOOL(self): return('')
    def TOOL_DEFINITION(self): return('')
    

    def imperial(self):
        raise RuntimeError('Machine only support metric mode')

    def metric(self):
        self.fmt.number_of_decimal_places = 3
    
    
    def set_plane(self, plane):
        if (plane != 0) : 
            raise RuntimeError('Machine only support XY plane mode')
            
    def polar(self, on=True):
        if (on) :
            raise RuntimeError('Machine does not support polar mode')
            
    def set_temporary_origin(self, x=None, y=None, z=None, a=None, b=None, c=None):
    	raise RuntimeError('Machine does not support temporary origin')
    	
    	
    def PROGRAM_END(self): return( 'M02')
    
    def program_begin(self, id, comment):
        self.write( '(GCode adapted to .knc file for proxxon milling machine.)\n')
        emc2b.Creator.program_begin(self, id, comment)
        self.write( '\n(Starting Spindle)\n' )
        self.write('M10 O6.1\n')
        
    def tool_change(self, id):
        if self.output_comment_before_tool_change:
            self.comment('tool change to %s - %s' %( self.tool_defn_params[id]['name'], self.z_for_g53))
            
            self.write('M05\n')
            self.write('G54 Z0')
            
nc.creator = Creator()