"""Main Class"""

def __init__(self):

"""

Initialization of the Main window. This is directly called after the

Logger has been initialized. The Function loads the GUI, creates the

used Classes and connects the actions to the GUI.

"""

self.MyPostProcessor = MyPostProcessor()

self.shapes = []

self.LayerContents = []

self.EntitiesRoot = []

self.filename = ""

def optimize_TSP(self):

"""

Method is called to optimize the order of the shapes. This is performed

by solving the TSP Problem.

"""

logger.debug(('Optimize order of enabled shapes per layer'))

#Get the export order from the QTreeView

logger.debug(('Updating order according to TreeView'))

for LayerContent in self.LayerContents:

#Initial values for the Lists to export.

self.shapes_to_write = []

self.shapes_fixed_order = []

shapes_st_en_points = []

#Check all shapes of Layer which shall be exported and create List

#for it.

logger.debug(("Nr. of Shapes %s; Nr. of Shapes in Route %s")

% (len(LayerContent.shapes),

len(LayerContent.exp_order)))

logger.debug(("Export Order for start: %s") % LayerContent.exp_order)

for shape in self.shapes:

self.shapes_to_write.append(shape.nr)

shapes_st_en_points.append(shape.get_st_en_points())

#Perform Export only if the Number of shapes to export is bigger than 0

if len(self.shapes_to_write)>0:

#Errechnen der Iterationen

#Calculate the iterations

iter_ = min(g.config.vars.Route_Optimisation['max_iterations'],

len(self.shapes_to_write)*50)

#Adding the Start and End Points to the List.

x_st = g.config.vars.Plane_Coordinates['axis1_start_end']

y_st = g.config.vars.Plane_Coordinates['axis2_start_end']

start = Point(x = x_st, y = y_st)

ende = Point(x = x_st, y = y_st)

shapes_st_en_points.append([start, ende])

TSPs = []

TSPs.append(TSPoptimize(st_end_points = shapes_st_en_points))

logger.info(("TSP start values initialised for Layer %s")

% LayerContent.LayerName)

logger.debug(("Shapes to write: %s")

% self.shapes_to_write)

logger.debug(("Fixed order: %s")

% self.shapes_fixed_order)

for it_nr in range(iter_):

#Only show each 50th step.

if (it_nr % 50) == 0:

TSPs[-1].calc_next_iteration()

new_exp_order = []

for nr in TSPs[-1].opt_route[1:len(TSPs[-1].opt_route)]:

new_exp_order.append(nr)

logger.debug(("TSP done with result: %s") % TSPs[-1])

LayerContent.exp_order = new_exp_order

logger.debug(("New Export Order after TSP: %s")

% new_exp_order)

else:

LayerContent.exp_order = []

def exportShapes(self, status=False, saveas=None):

"""

This function is called by the menu "Export/Export Shapes". It may open

a Save Dialog if used without LinuxCNC integration. Otherwise it's

possible to select multiple postprocessor files, which are located

in the folder.

"""

logger.debug(('Export the enabled shapes'))

#Get the export order from the QTreeView

logger.debug(("Sorted layers:"))

for i, layer in enumerate(self.LayerContents):

logger.debug("LayerContents[%i] = %s" % (i, layer))

if not(g.config.vars.General['write_to_stdout']):

#Get the name of the File to export

if saveas == None:

self.save_filename = str(filename[0].toUtf8()).decode("utf-8")

else:

filename = [None, None]

self.save_filename = saveas

(beg, ende) = os.path.split(self.save_filename)

(fileBaseName, fileExtension) = os.path.splitext(ende)

pp_file_nr = 0

for i in range(len(self.MyPostProcessor.output_format)):

name = "%s " % (self.MyPostProcessor.output_text[i])

format_ = "(*%s)" % (self.MyPostProcessor.output_format[i])

MyFormats = name + format_

if filename[1] == MyFormats:

pp_file_nr = i

if fileExtension != self.MyPostProcessor.output_format[pp_file_nr]:

self.save_filename = self.save_filename + self.MyPostProcessor.output_format[pp_file_nr]

self.MyPostProcessor.getPostProVars(pp_file_nr)

else:

self.save_filename = None

self.MyPostProcessor.getPostProVars(0)

"""

Export will be performed according to LayerContents and their order

is given in this variable too.

"""

self.MyPostProcessor.exportShapes(self.load_filename,

self.save_filename,

self.LayerContents)

if g.config.vars.General['write_to_stdout']:

self.close()

def loadFile(self, filename):

"""

Loads the file given by filename. Also calls the command to

make the plot.

@param filename: String containing filename which should be loaded

"""

self.load_filename = filename

(name, ext) = os.path.splitext(filename)

if (ext.lower() == ".ps") or (ext.lower() == ".pdf"):

logger.info(("Sending Postscript/PDF to pstoedit"))

#Create temporary file which will be read by the program

filename = os.path.join(tempfile.gettempdir(), 'dxf2gcode_temp.dxf')

pstoedit_cmd = g.config.vars.Filters['pstoedit_cmd'] #"C:\Program Files (x86)\pstoedit\pstoedit.exe"

pstoedit_opt = g.config.vars.Filters['pstoedit_opt'] #['-f','dxf','-mm']

ps_filename = os.path.normcase(self.load_filename)

cmd = [(('%s') % pstoedit_cmd)] + pstoedit_opt + [(('%s') % ps_filename), (('%s') % filename)]

logger.debug(cmd)

retcode = subprocess.call(cmd)

#self.textbox.text.delete(7.0, END)

logger.info(('Loading file: %s') % filename)

#logger.info("<a href=file:%s>%s</a>" % (filename, filename))

values = ReadDXF(filename)

#Output the information in the text window

logger.info(('Loaded layers: %s') % len(values.layers))

logger.info(('Loaded blocks: %s') % len(values.blocks.Entities))

for i in range(len(values.blocks.Entities)):

layers = values.blocks.Entities[i].get_used_layers()

logger.info(('Block %i includes %i Geometries, reduced to %i Contours, used layers: %s')\

% (i, len(values.blocks.Entities[i].geo), len(values.blocks.Entities[i].cont), layers))

layers = values.entities.get_used_layers()

insert_nr = values.entities.get_insert_nr()

logger.info(('Loaded %i Entities geometries, reduced to %i Contours, used layers: %s, Number of inserts: %i') \

% (len(values.entities.geo), len(values.entities.cont), layers, insert_nr))

self.makeShapesAndPlot(values)

def makeShapesAndPlot(self, values):

"""

Plots all data stored in the values parameter to the Canvas

@param values: Includes all values loaded from the dxf file

"""

#Generate the Shapes

self.makeShapes(values,

p0 = Point(x = self.cont_dx, y = self.cont_dy),

pb = Point(x = 0.0, y = 0.0),

sca = [self.cont_scale, self.cont_scale, self.cont_scale],

rot = self.rotate)

# Break insertion

# Breaks(self.LayerContents).process()

def makeShapes(self, values, p0, pb, sca, rot):

"""

Instance is called by the Main Window after the defined file is loaded.

It generates all ploting functionality. The parameters are generally

used to scale or offset the base geometry (by Menu in GUI).

@param values: The loaded dxf values from the dxf_import.py file

@param p0: The Starting Point to plot (Default x=0 and y=0)

@param bp: The Base Point to insert the geometry and base for rotation

(Default is also x=0 and y=0)

@param sca: The scale of the basis function (default =1)

@param rot: The rotation of the geometries around base (default =0)

"""

self.values = values

#Put back the contours

del(self.shapes[:])

del(self.LayerContents[:])

del(self.EntitiesRoot)

self.EntitiesRoot = EntityContentClass(Nr = 0, Name = 'Entities',

parent = None, children = [],

p0 = p0, pb = pb,

sca = sca, rot = rot)

#Start mit () bedeutet zuweisen der Entities -1 = Standard

#Start with () means to assign the entities -1 = Default ???

self.makeEntitiesShapes(parent = self.EntitiesRoot)

self.LayerContents.sort()

def makeEntitiesShapes(self, parent = None, ent_nr = -1, layerNr=-1):

"""

Instance is called prior to plotting the shapes. It creates

all shape classes which are later plotted into the graphics.

@param parent: The parent of a shape is always an Entities. It may be root

or, if it is a Block, this is the Block.

@param ent_nr: The values given in self.values are sorted so

that 0 is the Root Entities and 1 is beginning with the first block.

This value gives the index of self.values to be used.

"""

if parent.Name == "Entities":

entities = self.values.entities

else:

ent_nr = self.values.Get_Block_Nr(parent.Name)

entities = self.values.blocks.Entities[ent_nr]

#Zuweisen der Geometrien in die Variable geos & Konturen in cont

#Assigning the geometries in the variables geos & contours in cont

ent_geos = entities.geo

#Loop for the number of contours

for cont in entities.cont:

#Abfrage falls es sich bei der Kontur um ein Insert eines Blocks handelt

#Query if it is in the contour of an insert of a block

if ent_geos[cont.order[0][0]].Typ == "Insert":

ent_geo = ent_geos[cont.order[0][0]]

#Zuweisen des Basispunkts f�r den Block

#Assign the base point for the block

new_ent_nr = self.values.Get_Block_Nr(ent_geo.BlockName)

new_entities = self.values.blocks.Entities[new_ent_nr]

pb = new_entities.basep

#Skalierung usw. des Blocks zuweisen

#Scaling, etc. assign the block

p0 = ent_geos[cont.order[0][0]].Point

sca = ent_geos[cont.order[0][0]].Scale

rot = ent_geos[cont.order[0][0]].rot

#Erstellen des neuen Entitie Contents f�r das Insert

#Creating the new Entitie Contents for the insert

NewEntitieContent = EntityContentClass(Nr = 0,

Name = ent_geo.BlockName,

parent = parent, children = [],

p0 = p0,

pb = pb,

sca = sca,

rot = rot)

parent.addchild(NewEntitieContent)

self.makeEntitiesShapes(parent = NewEntitieContent,

ent_nr = ent_nr,

layerNr = ent_geo.Layer_Nr)

else:

self.shapes.append(ShapeClass(len(self.shapes),

cont.closed,

40,

0.0,

parent,

[]))

#Loop for the number of geometries

for ent_geo_nr in range(len(cont.order)):

ent_geo = ent_geos[cont.order[ent_geo_nr][0]]

if cont.order[ent_geo_nr][1]:

ent_geo.geo.reverse()

for geo in ent_geo.geo:

geo = copy(geo)

geo.reverse()

self.appendshapes(geo)

ent_geo.geo.reverse()

else:

for geo in ent_geo.geo:

self.appendshapes(copy(geo))

#All shapes have to be CW direction.

self.shapes[-1].AnalyseAndOptimize()

self.shapes[-1].FindNearestStPoint()

self.addtoLayerContents(self.shapes[-1], layerNr if layerNr != -1 else ent_geo.Layer_Nr)

parent.addchild(self.shapes[-1])

def appendshapes(self, geo):

"""

Documentation required

"""

self.shapes[-1].geos.append(geo)

if g.config.machine_type == 'drag_knife' and geo.type == 'HoleGeo':

self.shapes[-1].disabled = True

self.shapes[-1].allowedToChange = False

def addtoLayerContents(self, shape, lay_nr):

"""

Instance is called while the shapes are created. This gives the

structure which shape is laying on which layer. It also writes into the

shape the reference to the LayerContent Class.

@param shape: The shape to be appended of the shape

@param lay_nr: The Nr. of the layer

"""

#Check if the layer already exists and add shape if it is.

for LayCon in self.LayerContents:

if LayCon.LayerNr == lay_nr:

LayCon.shapes.append(shape)

return

#If the Layer does not exist create a new one.

LayerName = self.values.layers[lay_nr].name

self.LayerContents.append(LayerContentClass(lay_nr, LayerName, [shape]))

def closeEvent(self, e):

logger.debug(("exiting"))

self.writeSettings()