def _launch_menu(self, coords):
"""
Callback function in response to the pressing of the Return key
Launches a context menu based on the location of the mouse
:param coords:
:return:
"""
# Configure the "static" menu entries -- they can't be static without seriously destroying readability
# due to the Python version that is being used -.- so now it has to be not optimal until I find a better
# solution
p_menu = Menu(self._canvas)
item = self._get_current_item((self._cache["x"], self._cache["y"]))
updated_coords = self._canvas_to_screen((self._cache["x"], self._cache["y"]))
if item is None:
# No node is currently selected, create the general menu
p_menu.add_command(label="Place Room", command=lambda: self.create_new_node((self._cache["x"], self._cache["y"])))
p_menu.add_command(label="Delete All", command=lambda: self.delete_all())
p_menu.tk_popup(updated_coords[0], updated_coords[1])
return
if self._is_node(item):
# Create the node specific menu
p_menu.add_command(label="Place Object", command=lambda: self._mark_object((self._cache["x"], self._cache["y"])))
p_menu.add_command(label="Edit Room", command=lambda: self._selection_operation((self._cache["x"], self._cache["y"])))
p_menu.add_command(label="Delete Room", command=lambda: self.delete_node(self._get_current_item((self._cache["x"], self._cache["y"]))))
p_menu.add_command(label="Mark as start", command=lambda: self._mark_start_node(self._get_current_item((self._cache["x"], self._cache["y"]))))
if self._is_object(item):
# Launch the node menu as well as an an added option for selecting stuff to edit an object
p_menu.add_command(label="Edit Object", command=lambda: self._edit_object(coords))
p_menu.add_command(label="Delete Object", command=lambda: self._delete_object(self._get_current_item((self._cache["x"], self._cache["y"]))))
p_menu.delete(0)
p_menu.tk_popup(updated_coords[0], updated_coords[1])
return
if self._is_edge(item):
p_menu.add_command(label="Edit Corridor", command=lambda: self._selection_operation((self._cache["x"], self._cache["y"])))
p_menu.add_command(label="Delete Corridor", command=lambda: self.delete_edge(self._get_current_item((self._cache["x"], self._cache["y"]))))
p_menu.tk_popup(updated_coords[0], updated_coords[1])
return
self._clear_cache(coords)
class ShiftReduceApp(object):
"""
A graphical tool for exploring the shift-reduce parser. The tool
displays the parser's stack and the remaining text, and allows the
user to control the parser's operation. In particular, the user
can shift tokens onto the stack, and can perform reductions on the
top elements of the stack. A "step" button simply steps through
the parsing process, performing the operations that
``nltk.parse.ShiftReduceParser`` would use.
"""
def __init__(self, grammar, sent, trace=0):
self._sent = sent
self._parser = SteppingShiftReduceParser(grammar, trace)
# Set up the main window.
self._top = Tk()
self._top.title('Shift Reduce Parser Application')
# Animations. animating_lock is a lock to prevent the demo
# from performing new operations while it's animating.
self._animating_lock = 0
self._animate = IntVar(self._top)
self._animate.set(10) # = medium
# The user can hide the grammar.
self._show_grammar = IntVar(self._top)
self._show_grammar.set(1)
# Initialize fonts.
self._init_fonts(self._top)
# Set up key bindings.
self._init_bindings()
# Create the basic frames.
self._init_menubar(self._top)
self._init_buttons(self._top)
self._init_feedback(self._top)
self._init_grammar(self._top)
self._init_canvas(self._top)
# A popup menu for reducing.
self._reduce_menu = Menu(self._canvas, tearoff=0)
# Reset the demo, and set the feedback frame to empty.
self.reset()
self._lastoper1['text'] = ''
#########################################
## Initialization Helpers
#########################################
def _init_fonts(self, root):
# See: <http://www.astro.washington.edu/owen/ROTKFolklore.html>
self._sysfont = tkFont.Font(font=Button()["font"])
root.option_add("*Font", self._sysfont)
# TWhat's our font size (default=same as sysfont)
self._size = IntVar(root)
self._size.set(self._sysfont.cget('size'))
self._boldfont = tkFont.Font(family='helvetica',
weight='bold',
size=self._size.get())
self._font = tkFont.Font(family='helvetica', size=self._size.get())
def _init_grammar(self, parent):
# Grammar view.
self._prodframe = listframe = Frame(parent)
self._prodframe.pack(fill='both', side='left', padx=2)
self._prodlist_label = Label(self._prodframe,
font=self._boldfont,
text='Available Reductions')
self._prodlist_label.pack()
self._prodlist = Listbox(self._prodframe,
selectmode='single',
relief='groove',
background='white',
foreground='#909090',
font=self._font,
selectforeground='#004040',
selectbackground='#c0f0c0')
self._prodlist.pack(side='right', fill='both', expand=1)
self._productions = list(self._parser.grammar().productions())
for production in self._productions:
self._prodlist.insert('end', (' %s' % production))
self._prodlist.config(height=min(len(self._productions), 25))
# Add a scrollbar if there are more than 25 productions.
if 1: #len(self._productions) > 25:
listscroll = Scrollbar(self._prodframe, orient='vertical')
self._prodlist.config(yscrollcommand=listscroll.set)
listscroll.config(command=self._prodlist.yview)
listscroll.pack(side='left', fill='y')
# If they select a production, apply it.
self._prodlist.bind('<<ListboxSelect>>', self._prodlist_select)
# When they hover over a production, highlight it.
self._hover = -1
self._prodlist.bind('<Motion>', self._highlight_hover)
self._prodlist.bind('<Leave>', self._clear_hover)
def _init_bindings(self):
# Quit
self._top.bind('<Control-q>', self.destroy)
self._top.bind('<Control-x>', self.destroy)
self._top.bind('<Alt-q>', self.destroy)
self._top.bind('<Alt-x>', self.destroy)
# Ops (step, shift, reduce, undo)
self._top.bind('<space>', self.step)
self._top.bind('<s>', self.shift)
self._top.bind('<Alt-s>', self.shift)
self._top.bind('<Control-s>', self.shift)
self._top.bind('<r>', self.reduce)
self._top.bind('<Alt-r>', self.reduce)
self._top.bind('<Control-r>', self.reduce)
self._top.bind('<Delete>', self.reset)
self._top.bind('<u>', self.undo)
self._top.bind('<Alt-u>', self.undo)
self._top.bind('<Control-u>', self.undo)
self._top.bind('<Control-z>', self.undo)
self._top.bind('<BackSpace>', self.undo)
# Misc
self._top.bind('<Control-p>', self.postscript)
self._top.bind('<Control-h>', self.help)
self._top.bind('<F1>', self.help)
self._top.bind('<Control-g>', self.edit_grammar)
self._top.bind('<Control-t>', self.edit_sentence)
# Animation speed control
self._top.bind('-', lambda e, a=self._animate: a.set(20))
self._top.bind('=', lambda e, a=self._animate: a.set(10))
self._top.bind('+', lambda e, a=self._animate: a.set(4))
def _init_buttons(self, parent):
# Set up the frames.
self._buttonframe = buttonframe = Frame(parent)
buttonframe.pack(fill='none', side='bottom')
Button(
buttonframe,
text='Step',
background='#90c0d0',
foreground='black',
command=self.step,
).pack(side='left')
Button(buttonframe,
text='Shift',
underline=0,
background='#90f090',
foreground='black',
command=self.shift).pack(side='left')
Button(buttonframe,
text='Reduce',
underline=0,
background='#90f090',
foreground='black',
command=self.reduce).pack(side='left')
Button(buttonframe,
text='Undo',
underline=0,
background='#f0a0a0',
foreground='black',
command=self.undo).pack(side='left')
def _init_menubar(self, parent):
menubar = Menu(parent)
filemenu = Menu(menubar, tearoff=0)
filemenu.add_command(label='Reset Parser',
underline=0,
command=self.reset,
accelerator='Del')
filemenu.add_command(label='Print to Postscript',
underline=0,
command=self.postscript,
accelerator='Ctrl-p')
filemenu.add_command(label='Exit',
underline=1,
command=self.destroy,
accelerator='Ctrl-x')
menubar.add_cascade(label='File', underline=0, menu=filemenu)
editmenu = Menu(menubar, tearoff=0)
editmenu.add_command(label='Edit Grammar',
underline=5,
command=self.edit_grammar,
accelerator='Ctrl-g')
editmenu.add_command(label='Edit Text',
underline=5,
command=self.edit_sentence,
accelerator='Ctrl-t')
menubar.add_cascade(label='Edit', underline=0, menu=editmenu)
rulemenu = Menu(menubar, tearoff=0)
rulemenu.add_command(label='Step',
underline=1,
command=self.step,
accelerator='Space')
rulemenu.add_separator()
rulemenu.add_command(label='Shift',
underline=0,
command=self.shift,
accelerator='Ctrl-s')
rulemenu.add_command(label='Reduce',
underline=0,
command=self.reduce,
accelerator='Ctrl-r')
rulemenu.add_separator()
rulemenu.add_command(label='Undo',
underline=0,
command=self.undo,
accelerator='Ctrl-u')
menubar.add_cascade(label='Apply', underline=0, menu=rulemenu)
viewmenu = Menu(menubar, tearoff=0)
viewmenu.add_checkbutton(label="Show Grammar",
underline=0,
variable=self._show_grammar,
command=self._toggle_grammar)
viewmenu.add_separator()
viewmenu.add_radiobutton(label='Tiny',
variable=self._size,
underline=0,
value=10,
command=self.resize)
viewmenu.add_radiobutton(label='Small',
variable=self._size,
underline=0,
value=12,
command=self.resize)
viewmenu.add_radiobutton(label='Medium',
variable=self._size,
underline=0,
value=14,
command=self.resize)
viewmenu.add_radiobutton(label='Large',
variable=self._size,
underline=0,
value=18,
command=self.resize)
viewmenu.add_radiobutton(label='Huge',
variable=self._size,
underline=0,
value=24,
command=self.resize)
menubar.add_cascade(label='View', underline=0, menu=viewmenu)
animatemenu = Menu(menubar, tearoff=0)
animatemenu.add_radiobutton(label="No Animation",
underline=0,
variable=self._animate,
value=0)
animatemenu.add_radiobutton(label="Slow Animation",
underline=0,
variable=self._animate,
value=20,
accelerator='-')
animatemenu.add_radiobutton(label="Normal Animation",
underline=0,
variable=self._animate,
value=10,
accelerator='=')
animatemenu.add_radiobutton(label="Fast Animation",
underline=0,
variable=self._animate,
value=4,
accelerator='+')
menubar.add_cascade(label="Animate", underline=1, menu=animatemenu)
helpmenu = Menu(menubar, tearoff=0)
helpmenu.add_command(label='About', underline=0, command=self.about)
helpmenu.add_command(label='Instructions',
underline=0,
command=self.help,
accelerator='F1')
menubar.add_cascade(label='Help', underline=0, menu=helpmenu)
parent.config(menu=menubar)
def _init_feedback(self, parent):
self._feedbackframe = feedbackframe = Frame(parent)
feedbackframe.pack(fill='x', side='bottom', padx=3, pady=3)
self._lastoper_label = Label(feedbackframe,
text='Last Operation:',
font=self._font)
self._lastoper_label.pack(side='left')
lastoperframe = Frame(feedbackframe, relief='sunken', border=1)
lastoperframe.pack(fill='x', side='right', expand=1, padx=5)
self._lastoper1 = Label(lastoperframe,
foreground='#007070',
background='#f0f0f0',
font=self._font)
self._lastoper2 = Label(lastoperframe,
anchor='w',
width=30,
foreground='#004040',
background='#f0f0f0',
font=self._font)
self._lastoper1.pack(side='left')
self._lastoper2.pack(side='left', fill='x', expand=1)
def _init_canvas(self, parent):
self._cframe = CanvasFrame(parent,
background='white',
width=525,
closeenough=10,
border=2,
relief='sunken')
self._cframe.pack(expand=1, fill='both', side='top', pady=2)
canvas = self._canvas = self._cframe.canvas()
self._stackwidgets = []
self._rtextwidgets = []
self._titlebar = canvas.create_rectangle(0,
0,
0,
0,
fill='#c0f0f0',
outline='black')
self._exprline = canvas.create_line(0, 0, 0, 0, dash='.')
self._stacktop = canvas.create_line(0, 0, 0, 0, fill='#408080')
size = self._size.get() + 4
self._stacklabel = TextWidget(canvas,
'Stack',
color='#004040',
font=self._boldfont)
self._rtextlabel = TextWidget(canvas,
'Remaining Text',
color='#004040',
font=self._boldfont)
self._cframe.add_widget(self._stacklabel)
self._cframe.add_widget(self._rtextlabel)
#########################################
## Main draw procedure
#########################################
def _redraw(self):
scrollregion = self._canvas['scrollregion'].split()
(cx1, cy1, cx2, cy2) = [int(c) for c in scrollregion]
# Delete the old stack & rtext widgets.
for stackwidget in self._stackwidgets:
self._cframe.destroy_widget(stackwidget)
self._stackwidgets = []
for rtextwidget in self._rtextwidgets:
self._cframe.destroy_widget(rtextwidget)
self._rtextwidgets = []
# Position the titlebar & exprline
(x1, y1, x2, y2) = self._stacklabel.bbox()
y = y2 - y1 + 10
self._canvas.coords(self._titlebar, -5000, 0, 5000, y - 4)
self._canvas.coords(self._exprline, 0, y * 2 - 10, 5000, y * 2 - 10)
# Position the titlebar labels..
(x1, y1, x2, y2) = self._stacklabel.bbox()
self._stacklabel.move(5 - x1, 3 - y1)
(x1, y1, x2, y2) = self._rtextlabel.bbox()
self._rtextlabel.move(cx2 - x2 - 5, 3 - y1)
# Draw the stack.
stackx = 5
for tok in self._parser.stack():
if isinstance(tok, Tree):
attribs = {
'tree_color': '#4080a0',
'tree_width': 2,
'node_font': self._boldfont,
'node_color': '#006060',
'leaf_color': '#006060',
'leaf_font': self._font
}
widget = tree_to_treesegment(self._canvas, tok, **attribs)
widget.node()['color'] = '#000000'
else:
widget = TextWidget(self._canvas,
tok,
color='#000000',
font=self._font)
widget.bind_click(self._popup_reduce)
self._stackwidgets.append(widget)
self._cframe.add_widget(widget, stackx, y)
stackx = widget.bbox()[2] + 10
# Draw the remaining text.
rtextwidth = 0
for tok in self._parser.remaining_text():
widget = TextWidget(self._canvas,
tok,
color='#000000',
font=self._font)
self._rtextwidgets.append(widget)
self._cframe.add_widget(widget, rtextwidth, y)
rtextwidth = widget.bbox()[2] + 4
# Allow enough room to shift the next token (for animations)
if len(self._rtextwidgets) > 0:
stackx += self._rtextwidgets[0].width()
# Move the remaining text to the correct location (keep it
# right-justified, when possible); and move the remaining text
# label, if necessary.
stackx = max(stackx, self._stacklabel.width() + 25)
rlabelwidth = self._rtextlabel.width() + 10
if stackx >= cx2 - max(rtextwidth, rlabelwidth):
cx2 = stackx + max(rtextwidth, rlabelwidth)
for rtextwidget in self._rtextwidgets:
rtextwidget.move(4 + cx2 - rtextwidth, 0)
self._rtextlabel.move(cx2 - self._rtextlabel.bbox()[2] - 5, 0)
midx = (stackx + cx2 - max(rtextwidth, rlabelwidth)) / 2
self._canvas.coords(self._stacktop, midx, 0, midx, 5000)
(x1, y1, x2, y2) = self._stacklabel.bbox()
# Set up binding to allow them to shift a token by dragging it.
if len(self._rtextwidgets) > 0:
def drag_shift(widget, midx=midx, self=self):
if widget.bbox()[0] < midx: self.shift()
else: self._redraw()
self._rtextwidgets[0].bind_drag(drag_shift)
self._rtextwidgets[0].bind_click(self.shift)
# Draw the stack top.
self._highlight_productions()
def _draw_stack_top(self, widget):
# hack..
midx = widget.bbox()[2] + 50
self._canvas.coords(self._stacktop, midx, 0, midx, 5000)
def _highlight_productions(self):
# Highlight the productions that can be reduced.
self._prodlist.selection_clear(0, 'end')
for prod in self._parser.reducible_productions():
index = self._productions.index(prod)
self._prodlist.selection_set(index)
#########################################
## Button Callbacks
#########################################
def destroy(self, *e):
if self._top is None: return
self._top.destroy()
self._top = None
def reset(self, *e):
self._parser.initialize(self._sent)
self._lastoper1['text'] = 'Reset App'
self._lastoper2['text'] = ''
self._redraw()
def step(self, *e):
if self.reduce(): return 1
elif self.shift(): return 1
else:
if len(self._parser.parses()) > 0:
self._lastoper1['text'] = 'Finished:'
self._lastoper2['text'] = 'Success'
else:
self._lastoper1['text'] = 'Finished:'
self._lastoper2['text'] = 'Failure'
def shift(self, *e):
if self._animating_lock: return
if self._parser.shift():
tok = self._parser.stack()[-1]
self._lastoper1['text'] = 'Shift:'
self._lastoper2['text'] = '%r' % tok
if self._animate.get():
self._animate_shift()
else:
self._redraw()
return 1
return 0
def reduce(self, *e):
if self._animating_lock: return
production = self._parser.reduce()
if production:
self._lastoper1['text'] = 'Reduce:'
self._lastoper2['text'] = '%s' % production
if self._animate.get():
self._animate_reduce()
else:
self._redraw()
return production
def undo(self, *e):
if self._animating_lock: return
if self._parser.undo():
self._redraw()
def postscript(self, *e):
self._cframe.print_to_file()
def mainloop(self, *args, **kwargs):
"""
Enter the Tkinter mainloop. This function must be called if
this demo is created from a non-interactive program (e.g.
from a secript); otherwise, the demo will close as soon as
the script completes.
"""
if in_idle(): return
self._top.mainloop(*args, **kwargs)
#########################################
## Menubar callbacks
#########################################
def resize(self, size=None):
if size is not None: self._size.set(size)
size = self._size.get()
self._font.configure(size=-(abs(size)))
self._boldfont.configure(size=-(abs(size)))
self._sysfont.configure(size=-(abs(size)))
#self._stacklabel['font'] = ('helvetica', -size-4, 'bold')
#self._rtextlabel['font'] = ('helvetica', -size-4, 'bold')
#self._lastoper_label['font'] = ('helvetica', -size)
#self._lastoper1['font'] = ('helvetica', -size)
#self._lastoper2['font'] = ('helvetica', -size)
#self._prodlist['font'] = ('helvetica', -size)
#self._prodlist_label['font'] = ('helvetica', -size-2, 'bold')
self._redraw()
def help(self, *e):
# The default font's not very legible; try using 'fixed' instead.
try:
ShowText(self._top,
'Help: Shift-Reduce Parser Application', (__doc__
or '').strip(),
width=75,
font='fixed')
except:
ShowText(self._top,
'Help: Shift-Reduce Parser Application', (__doc__
or '').strip(),
width=75)
def about(self, *e):
ABOUT = ("NLTK Shift-Reduce Parser Application\n" +
"Written by Edward Loper")
TITLE = 'About: Shift-Reduce Parser Application'
try:
from tkMessageBox import Message
Message(message=ABOUT, title=TITLE).show()
except:
ShowText(self._top, TITLE, ABOUT)
def edit_grammar(self, *e):
CFGEditor(self._top, self._parser.grammar(), self.set_grammar)
def set_grammar(self, grammar):
self._parser.set_grammar(grammar)
self._productions = list(grammar.productions())
self._prodlist.delete(0, 'end')
for production in self._productions:
self._prodlist.insert('end', (' %s' % production))
def edit_sentence(self, *e):
sentence = string.join(self._sent)
title = 'Edit Text'
instr = 'Enter a new sentence to parse.'
EntryDialog(self._top, sentence, instr, self.set_sentence, title)
def set_sentence(self, sent):
self._sent = sent.split() #[XX] use tagged?
self.reset()
#########################################
## Reduce Production Selection
#########################################
def _toggle_grammar(self, *e):
if self._show_grammar.get():
self._prodframe.pack(fill='both',
side='left',
padx=2,
after=self._feedbackframe)
self._lastoper1['text'] = 'Show Grammar'
else:
self._prodframe.pack_forget()
self._lastoper1['text'] = 'Hide Grammar'
self._lastoper2['text'] = ''
def _prodlist_select(self, event):
selection = self._prodlist.curselection()
if len(selection) != 1: return
index = int(selection[0])
production = self._parser.reduce(self._productions[index])
if production:
self._lastoper1['text'] = 'Reduce:'
self._lastoper2['text'] = '%s' % production
if self._animate.get():
self._animate_reduce()
else:
self._redraw()
else:
# Reset the production selections.
self._prodlist.selection_clear(0, 'end')
for prod in self._parser.reducible_productions():
index = self._productions.index(prod)
self._prodlist.selection_set(index)
def _popup_reduce(self, widget):
# Remove old commands.
productions = self._parser.reducible_productions()
if len(productions) == 0: return
self._reduce_menu.delete(0, 'end')
for production in productions:
self._reduce_menu.add_command(label=str(production),
command=self.reduce)
self._reduce_menu.post(self._canvas.winfo_pointerx(),
self._canvas.winfo_pointery())
#########################################
## Animations
#########################################
def _animate_shift(self):
# What widget are we shifting?
widget = self._rtextwidgets[0]
# Where are we shifting from & to?
right = widget.bbox()[0]
if len(self._stackwidgets) == 0: left = 5
else: left = self._stackwidgets[-1].bbox()[2] + 10
# Start animating.
dt = self._animate.get()
dx = (left - right) * 1.0 / dt
self._animate_shift_frame(dt, widget, dx)
def _animate_shift_frame(self, frame, widget, dx):
if frame > 0:
self._animating_lock = 1
widget.move(dx, 0)
self._top.after(10, self._animate_shift_frame, frame - 1, widget,
dx)
else:
# but: stacktop??
# Shift the widget to the stack.
del self._rtextwidgets[0]
self._stackwidgets.append(widget)
self._animating_lock = 0
# Display the available productions.
self._draw_stack_top(widget)
self._highlight_productions()
def _animate_reduce(self):
# What widgets are we shifting?
numwidgets = len(self._parser.stack()[-1]) # number of children
widgets = self._stackwidgets[-numwidgets:]
# How far are we moving?
if isinstance(widgets[0], TreeSegmentWidget):
ydist = 15 + widgets[0].node().height()
else:
ydist = 15 + widgets[0].height()
# Start animating.
dt = self._animate.get()
dy = ydist * 2.0 / dt
self._animate_reduce_frame(dt / 2, widgets, dy)
def _animate_reduce_frame(self, frame, widgets, dy):
if frame > 0:
self._animating_lock = 1
for widget in widgets:
widget.move(0, dy)
self._top.after(10, self._animate_reduce_frame, frame - 1, widgets,
dy)
else:
del self._stackwidgets[-len(widgets):]
for widget in widgets:
self._cframe.remove_widget(widget)
tok = self._parser.stack()[-1]
if not isinstance(tok, Tree): raise ValueError()
label = TextWidget(self._canvas,
str(tok.node),
color='#006060',
font=self._boldfont)
widget = TreeSegmentWidget(self._canvas, label, widgets, width=2)
(x1, y1, x2, y2) = self._stacklabel.bbox()
y = y2 - y1 + 10
if not self._stackwidgets: x = 5
else: x = self._stackwidgets[-1].bbox()[2] + 10
self._cframe.add_widget(widget, x, y)
self._stackwidgets.append(widget)
# Display the available productions.
self._draw_stack_top(widget)
self._highlight_productions()
# # Delete the old widgets..
# del self._stackwidgets[-len(widgets):]
# for widget in widgets:
# self._cframe.destroy_widget(widget)
#
# # Make a new one.
# tok = self._parser.stack()[-1]
# if isinstance(tok, Tree):
# attribs = {'tree_color': '#4080a0', 'tree_width': 2,
# 'node_font': bold, 'node_color': '#006060',
# 'leaf_color': '#006060', 'leaf_font':self._font}
# widget = tree_to_treesegment(self._canvas, tok.type(),
# **attribs)
# widget.node()['color'] = '#000000'
# else:
# widget = TextWidget(self._canvas, tok.type(),
# color='#000000', font=self._font)
# widget.bind_click(self._popup_reduce)
# (x1, y1, x2, y2) = self._stacklabel.bbox()
# y = y2-y1+10
# if not self._stackwidgets: x = 5
# else: x = self._stackwidgets[-1].bbox()[2] + 10
# self._cframe.add_widget(widget, x, y)
# self._stackwidgets.append(widget)
#self._redraw()
self._animating_lock = 0
#########################################
## Hovering.
#########################################
def _highlight_hover(self, event):
# What production are we hovering over?
index = self._prodlist.nearest(event.y)
if self._hover == index: return
# Clear any previous hover highlighting.
self._clear_hover()
# If the production corresponds to an available reduction,
# highlight the stack.
selection = [int(s) for s in self._prodlist.curselection()]
if index in selection:
rhslen = len(self._productions[index].rhs())
for stackwidget in self._stackwidgets[-rhslen:]:
if isinstance(stackwidget, TreeSegmentWidget):
stackwidget.node()['color'] = '#00a000'
else:
stackwidget['color'] = '#00a000'
# Remember what production we're hovering over.
self._hover = index
def _clear_hover(self, *event):
# Clear any previous hover highlighting.
if self._hover == -1: return
self._hover = -1
for stackwidget in self._stackwidgets:
if isinstance(stackwidget, TreeSegmentWidget):
stackwidget.node()['color'] = 'black'
else:
stackwidget['color'] = 'black'
class ShiftReduceApp(object):
"""
A graphical tool for exploring the shift-reduce parser. The tool
displays the parser's stack and the remaining text, and allows the
user to control the parser's operation. In particular, the user
can shift tokens onto the stack, and can perform reductions on the
top elements of the stack. A "step" button simply steps through
the parsing process, performing the operations that
``nltk.parse.ShiftReduceParser`` would use.
"""
def __init__(self, grammar, sent, trace=0):
self._sent = sent
self._parser = SteppingShiftReduceParser(grammar, trace)
# Set up the main window.
self._top = Tk()
self._top.title("Shift Reduce Parser Application")
# Animations. animating_lock is a lock to prevent the demo
# from performing new operations while it's animating.
self._animating_lock = 0
self._animate = IntVar(self._top)
self._animate.set(10) # = medium
# The user can hide the grammar.
self._show_grammar = IntVar(self._top)
self._show_grammar.set(1)
# Initialize fonts.
self._init_fonts(self._top)
# Set up key bindings.
self._init_bindings()
# Create the basic frames.
self._init_menubar(self._top)
self._init_buttons(self._top)
self._init_feedback(self._top)
self._init_grammar(self._top)
self._init_canvas(self._top)
# A popup menu for reducing.
self._reduce_menu = Menu(self._canvas, tearoff=0)
# Reset the demo, and set the feedback frame to empty.
self.reset()
self._lastoper1["text"] = ""
#########################################
## Initialization Helpers
#########################################
def _init_fonts(self, root):
# See: <http://www.astro.washington.edu/owen/ROTKFolklore.html>
self._sysfont = tkFont.Font(font=Button()["font"])
root.option_add("*Font", self._sysfont)
# TWhat's our font size (default=same as sysfont)
self._size = IntVar(root)
self._size.set(self._sysfont.cget("size"))
self._boldfont = tkFont.Font(family="helvetica", weight="bold", size=self._size.get())
self._font = tkFont.Font(family="helvetica", size=self._size.get())
def _init_grammar(self, parent):
# Grammar view.
self._prodframe = listframe = Frame(parent)
self._prodframe.pack(fill="both", side="left", padx=2)
self._prodlist_label = Label(self._prodframe, font=self._boldfont, text="Available Reductions")
self._prodlist_label.pack()
self._prodlist = Listbox(
self._prodframe,
selectmode="single",
relief="groove",
background="white",
foreground="#909090",
font=self._font,
selectforeground="#004040",
selectbackground="#c0f0c0",
)
self._prodlist.pack(side="right", fill="both", expand=1)
self._productions = list(self._parser.grammar().productions())
for production in self._productions:
self._prodlist.insert("end", (" %s" % production))
self._prodlist.config(height=min(len(self._productions), 25))
# Add a scrollbar if there are more than 25 productions.
if 1: # len(self._productions) > 25:
listscroll = Scrollbar(self._prodframe, orient="vertical")
self._prodlist.config(yscrollcommand=listscroll.set)
listscroll.config(command=self._prodlist.yview)
listscroll.pack(side="left", fill="y")
# If they select a production, apply it.
self._prodlist.bind("<<ListboxSelect>>", self._prodlist_select)
# When they hover over a production, highlight it.
self._hover = -1
self._prodlist.bind("<Motion>", self._highlight_hover)
self._prodlist.bind("<Leave>", self._clear_hover)
def _init_bindings(self):
# Quit
self._top.bind("<Control-q>", self.destroy)
self._top.bind("<Control-x>", self.destroy)
self._top.bind("<Alt-q>", self.destroy)
self._top.bind("<Alt-x>", self.destroy)
# Ops (step, shift, reduce, undo)
self._top.bind("<space>", self.step)
self._top.bind("<s>", self.shift)
self._top.bind("<Alt-s>", self.shift)
self._top.bind("<Control-s>", self.shift)
self._top.bind("<r>", self.reduce)
self._top.bind("<Alt-r>", self.reduce)
self._top.bind("<Control-r>", self.reduce)
self._top.bind("<Delete>", self.reset)
self._top.bind("<u>", self.undo)
self._top.bind("<Alt-u>", self.undo)
self._top.bind("<Control-u>", self.undo)
self._top.bind("<Control-z>", self.undo)
self._top.bind("<BackSpace>", self.undo)
# Misc
self._top.bind("<Control-p>", self.postscript)
self._top.bind("<Control-h>", self.help)
self._top.bind("<F1>", self.help)
self._top.bind("<Control-g>", self.edit_grammar)
self._top.bind("<Control-t>", self.edit_sentence)
# Animation speed control
self._top.bind("-", lambda e, a=self._animate: a.set(20))
self._top.bind("=", lambda e, a=self._animate: a.set(10))
self._top.bind("+", lambda e, a=self._animate: a.set(4))
def _init_buttons(self, parent):
# Set up the frames.
self._buttonframe = buttonframe = Frame(parent)
buttonframe.pack(fill="none", side="bottom")
Button(buttonframe, text="Step", background="#90c0d0", foreground="black", command=self.step).pack(side="left")
Button(
buttonframe, text="Shift", underline=0, background="#90f090", foreground="black", command=self.shift
).pack(side="left")
Button(
buttonframe, text="Reduce", underline=0, background="#90f090", foreground="black", command=self.reduce
).pack(side="left")
Button(buttonframe, text="Undo", underline=0, background="#f0a0a0", foreground="black", command=self.undo).pack(
side="left"
)
def _init_menubar(self, parent):
menubar = Menu(parent)
filemenu = Menu(menubar, tearoff=0)
filemenu.add_command(label="Reset Parser", underline=0, command=self.reset, accelerator="Del")
filemenu.add_command(label="Print to Postscript", underline=0, command=self.postscript, accelerator="Ctrl-p")
filemenu.add_command(label="Exit", underline=1, command=self.destroy, accelerator="Ctrl-x")
menubar.add_cascade(label="File", underline=0, menu=filemenu)
editmenu = Menu(menubar, tearoff=0)
editmenu.add_command(label="Edit Grammar", underline=5, command=self.edit_grammar, accelerator="Ctrl-g")
editmenu.add_command(label="Edit Text", underline=5, command=self.edit_sentence, accelerator="Ctrl-t")
menubar.add_cascade(label="Edit", underline=0, menu=editmenu)
rulemenu = Menu(menubar, tearoff=0)
rulemenu.add_command(label="Step", underline=1, command=self.step, accelerator="Space")
rulemenu.add_separator()
rulemenu.add_command(label="Shift", underline=0, command=self.shift, accelerator="Ctrl-s")
rulemenu.add_command(label="Reduce", underline=0, command=self.reduce, accelerator="Ctrl-r")
rulemenu.add_separator()
rulemenu.add_command(label="Undo", underline=0, command=self.undo, accelerator="Ctrl-u")
menubar.add_cascade(label="Apply", underline=0, menu=rulemenu)
viewmenu = Menu(menubar, tearoff=0)
viewmenu.add_checkbutton(
label="Show Grammar", underline=0, variable=self._show_grammar, command=self._toggle_grammar
)
viewmenu.add_separator()
viewmenu.add_radiobutton(label="Tiny", variable=self._size, underline=0, value=10, command=self.resize)
viewmenu.add_radiobutton(label="Small", variable=self._size, underline=0, value=12, command=self.resize)
viewmenu.add_radiobutton(label="Medium", variable=self._size, underline=0, value=14, command=self.resize)
viewmenu.add_radiobutton(label="Large", variable=self._size, underline=0, value=18, command=self.resize)
viewmenu.add_radiobutton(label="Huge", variable=self._size, underline=0, value=24, command=self.resize)
menubar.add_cascade(label="View", underline=0, menu=viewmenu)
animatemenu = Menu(menubar, tearoff=0)
animatemenu.add_radiobutton(label="No Animation", underline=0, variable=self._animate, value=0)
animatemenu.add_radiobutton(
label="Slow Animation", underline=0, variable=self._animate, value=20, accelerator="-"
)
animatemenu.add_radiobutton(
label="Normal Animation", underline=0, variable=self._animate, value=10, accelerator="="
)
animatemenu.add_radiobutton(
label="Fast Animation", underline=0, variable=self._animate, value=4, accelerator="+"
)
menubar.add_cascade(label="Animate", underline=1, menu=animatemenu)
helpmenu = Menu(menubar, tearoff=0)
helpmenu.add_command(label="About", underline=0, command=self.about)
helpmenu.add_command(label="Instructions", underline=0, command=self.help, accelerator="F1")
menubar.add_cascade(label="Help", underline=0, menu=helpmenu)
parent.config(menu=menubar)
def _init_feedback(self, parent):
self._feedbackframe = feedbackframe = Frame(parent)
feedbackframe.pack(fill="x", side="bottom", padx=3, pady=3)
self._lastoper_label = Label(feedbackframe, text="Last Operation:", font=self._font)
self._lastoper_label.pack(side="left")
lastoperframe = Frame(feedbackframe, relief="sunken", border=1)
lastoperframe.pack(fill="x", side="right", expand=1, padx=5)
self._lastoper1 = Label(lastoperframe, foreground="#007070", background="#f0f0f0", font=self._font)
self._lastoper2 = Label(
lastoperframe, anchor="w", width=30, foreground="#004040", background="#f0f0f0", font=self._font
)
self._lastoper1.pack(side="left")
self._lastoper2.pack(side="left", fill="x", expand=1)
def _init_canvas(self, parent):
self._cframe = CanvasFrame(parent, background="white", width=525, closeenough=10, border=2, relief="sunken")
self._cframe.pack(expand=1, fill="both", side="top", pady=2)
canvas = self._canvas = self._cframe.canvas()
self._stackwidgets = []
self._rtextwidgets = []
self._titlebar = canvas.create_rectangle(0, 0, 0, 0, fill="#c0f0f0", outline="black")
self._exprline = canvas.create_line(0, 0, 0, 0, dash=".")
self._stacktop = canvas.create_line(0, 0, 0, 0, fill="#408080")
size = self._size.get() + 4
self._stacklabel = TextWidget(canvas, "Stack", color="#004040", font=self._boldfont)
self._rtextlabel = TextWidget(canvas, "Remaining Text", color="#004040", font=self._boldfont)
self._cframe.add_widget(self._stacklabel)
self._cframe.add_widget(self._rtextlabel)
#########################################
## Main draw procedure
#########################################
def _redraw(self):
scrollregion = self._canvas["scrollregion"].split()
(cx1, cy1, cx2, cy2) = [int(c) for c in scrollregion]
# Delete the old stack & rtext widgets.
for stackwidget in self._stackwidgets:
self._cframe.destroy_widget(stackwidget)
self._stackwidgets = []
for rtextwidget in self._rtextwidgets:
self._cframe.destroy_widget(rtextwidget)
self._rtextwidgets = []
# Position the titlebar & exprline
(x1, y1, x2, y2) = self._stacklabel.bbox()
y = y2 - y1 + 10
self._canvas.coords(self._titlebar, -5000, 0, 5000, y - 4)
self._canvas.coords(self._exprline, 0, y * 2 - 10, 5000, y * 2 - 10)
# Position the titlebar labels..
(x1, y1, x2, y2) = self._stacklabel.bbox()
self._stacklabel.move(5 - x1, 3 - y1)
(x1, y1, x2, y2) = self._rtextlabel.bbox()
self._rtextlabel.move(cx2 - x2 - 5, 3 - y1)
# Draw the stack.
stackx = 5
for tok in self._parser.stack():
if isinstance(tok, Tree):
attribs = {
"tree_color": "#4080a0",
"tree_width": 2,
"node_font": self._boldfont,
"node_color": "#006060",
"leaf_color": "#006060",
"leaf_font": self._font,
}
widget = tree_to_treesegment(self._canvas, tok, **attribs)
widget.node()["color"] = "#000000"
else:
widget = TextWidget(self._canvas, tok, color="#000000", font=self._font)
widget.bind_click(self._popup_reduce)
self._stackwidgets.append(widget)
self._cframe.add_widget(widget, stackx, y)
stackx = widget.bbox()[2] + 10
# Draw the remaining text.
rtextwidth = 0
for tok in self._parser.remaining_text():
widget = TextWidget(self._canvas, tok, color="#000000", font=self._font)
self._rtextwidgets.append(widget)
self._cframe.add_widget(widget, rtextwidth, y)
rtextwidth = widget.bbox()[2] + 4
# Allow enough room to shift the next token (for animations)
if len(self._rtextwidgets) > 0:
stackx += self._rtextwidgets[0].width()
# Move the remaining text to the correct location (keep it
# right-justified, when possible); and move the remaining text
# label, if necessary.
stackx = max(stackx, self._stacklabel.width() + 25)
rlabelwidth = self._rtextlabel.width() + 10
if stackx >= cx2 - max(rtextwidth, rlabelwidth):
cx2 = stackx + max(rtextwidth, rlabelwidth)
for rtextwidget in self._rtextwidgets:
rtextwidget.move(4 + cx2 - rtextwidth, 0)
self._rtextlabel.move(cx2 - self._rtextlabel.bbox()[2] - 5, 0)
midx = (stackx + cx2 - max(rtextwidth, rlabelwidth)) / 2
self._canvas.coords(self._stacktop, midx, 0, midx, 5000)
(x1, y1, x2, y2) = self._stacklabel.bbox()
# Set up binding to allow them to shift a token by dragging it.
if len(self._rtextwidgets) > 0:
def drag_shift(widget, midx=midx, self=self):
if widget.bbox()[0] < midx:
self.shift()
else:
self._redraw()
self._rtextwidgets[0].bind_drag(drag_shift)
self._rtextwidgets[0].bind_click(self.shift)
# Draw the stack top.
self._highlight_productions()
def _draw_stack_top(self, widget):
# hack..
midx = widget.bbox()[2] + 50
self._canvas.coords(self._stacktop, midx, 0, midx, 5000)
def _highlight_productions(self):
# Highlight the productions that can be reduced.
self._prodlist.selection_clear(0, "end")
for prod in self._parser.reducible_productions():
index = self._productions.index(prod)
self._prodlist.selection_set(index)
#########################################
## Button Callbacks
#########################################
def destroy(self, *e):
if self._top is None:
return
self._top.destroy()
self._top = None
def reset(self, *e):
self._parser.initialize(self._sent)
self._lastoper1["text"] = "Reset App"
self._lastoper2["text"] = ""
self._redraw()
def step(self, *e):
if self.reduce():
return 1
elif self.shift():
return 1
else:
if len(self._parser.parses()) > 0:
self._lastoper1["text"] = "Finished:"
self._lastoper2["text"] = "Success"
else:
self._lastoper1["text"] = "Finished:"
self._lastoper2["text"] = "Failure"
def shift(self, *e):
if self._animating_lock:
return
if self._parser.shift():
tok = self._parser.stack()[-1]
self._lastoper1["text"] = "Shift:"
self._lastoper2["text"] = "%r" % tok
if self._animate.get():
self._animate_shift()
else:
self._redraw()
return 1
return 0
def reduce(self, *e):
if self._animating_lock:
return
production = self._parser.reduce()
if production:
self._lastoper1["text"] = "Reduce:"
self._lastoper2["text"] = "%s" % production
if self._animate.get():
self._animate_reduce()
else:
self._redraw()
return production
def undo(self, *e):
if self._animating_lock:
return
if self._parser.undo():
self._redraw()
def postscript(self, *e):
self._cframe.print_to_file()
def mainloop(self, *args, **kwargs):
"""
Enter the Tkinter mainloop. This function must be called if
this demo is created from a non-interactive program (e.g.
from a secript); otherwise, the demo will close as soon as
the script completes.
"""
if in_idle():
return
self._top.mainloop(*args, **kwargs)
#########################################
## Menubar callbacks
#########################################
def resize(self, size=None):
if size is not None:
self._size.set(size)
size = self._size.get()
self._font.configure(size=-(abs(size)))
self._boldfont.configure(size=-(abs(size)))
self._sysfont.configure(size=-(abs(size)))
# self._stacklabel['font'] = ('helvetica', -size-4, 'bold')
# self._rtextlabel['font'] = ('helvetica', -size-4, 'bold')
# self._lastoper_label['font'] = ('helvetica', -size)
# self._lastoper1['font'] = ('helvetica', -size)
# self._lastoper2['font'] = ('helvetica', -size)
# self._prodlist['font'] = ('helvetica', -size)
# self._prodlist_label['font'] = ('helvetica', -size-2, 'bold')
self._redraw()
def help(self, *e):
# The default font's not very legible; try using 'fixed' instead.
try:
ShowText(self._top, "Help: Shift-Reduce Parser Application", (__doc__).strip(), width=75, font="fixed")
except:
ShowText(self._top, "Help: Shift-Reduce Parser Application", (__doc__).strip(), width=75)
def about(self, *e):
ABOUT = "NLTK Shift-Reduce Parser Application\n" + "Written by Edward Loper"
TITLE = "About: Shift-Reduce Parser Application"
try:
from tkMessageBox import Message
Message(message=ABOUT, title=TITLE).show()
except:
ShowText(self._top, TITLE, ABOUT)
def edit_grammar(self, *e):
CFGEditor(self._top, self._parser.grammar(), self.set_grammar)
def set_grammar(self, grammar):
self._parser.set_grammar(grammar)
self._productions = list(grammar.productions())
self._prodlist.delete(0, "end")
for production in self._productions:
self._prodlist.insert("end", (" %s" % production))
def edit_sentence(self, *e):
sentence = string.join(self._sent)
title = "Edit Text"
instr = "Enter a new sentence to parse."
EntryDialog(self._top, sentence, instr, self.set_sentence, title)
def set_sentence(self, sent):
self._sent = sent.split() # [XX] use tagged?
self.reset()
#########################################
## Reduce Production Selection
#########################################
def _toggle_grammar(self, *e):
if self._show_grammar.get():
self._prodframe.pack(fill="both", side="left", padx=2, after=self._feedbackframe)
self._lastoper1["text"] = "Show Grammar"
else:
self._prodframe.pack_forget()
self._lastoper1["text"] = "Hide Grammar"
self._lastoper2["text"] = ""
def _prodlist_select(self, event):
selection = self._prodlist.curselection()
if len(selection) != 1:
return
index = int(selection[0])
production = self._parser.reduce(self._productions[index])
if production:
self._lastoper1["text"] = "Reduce:"
self._lastoper2["text"] = "%s" % production
if self._animate.get():
self._animate_reduce()
else:
self._redraw()
else:
# Reset the production selections.
self._prodlist.selection_clear(0, "end")
for prod in self._parser.reducible_productions():
index = self._productions.index(prod)
self._prodlist.selection_set(index)
def _popup_reduce(self, widget):
# Remove old commands.
productions = self._parser.reducible_productions()
if len(productions) == 0:
return
self._reduce_menu.delete(0, "end")
for production in productions:
self._reduce_menu.add_command(label=str(production), command=self.reduce)
self._reduce_menu.post(self._canvas.winfo_pointerx(), self._canvas.winfo_pointery())
#########################################
## Animations
#########################################
def _animate_shift(self):
# What widget are we shifting?
widget = self._rtextwidgets[0]
# Where are we shifting from & to?
right = widget.bbox()[0]
if len(self._stackwidgets) == 0:
left = 5
else:
left = self._stackwidgets[-1].bbox()[2] + 10
# Start animating.
dt = self._animate.get()
dx = (left - right) * 1.0 / dt
self._animate_shift_frame(dt, widget, dx)
def _animate_shift_frame(self, frame, widget, dx):
if frame > 0:
self._animating_lock = 1
widget.move(dx, 0)
self._top.after(10, self._animate_shift_frame, frame - 1, widget, dx)
else:
# but: stacktop??
# Shift the widget to the stack.
del self._rtextwidgets[0]
self._stackwidgets.append(widget)
self._animating_lock = 0
# Display the available productions.
self._draw_stack_top(widget)
self._highlight_productions()
def _animate_reduce(self):
# What widgets are we shifting?
numwidgets = len(self._parser.stack()[-1]) # number of children
widgets = self._stackwidgets[-numwidgets:]
# How far are we moving?
if isinstance(widgets[0], TreeSegmentWidget):
ydist = 15 + widgets[0].node().height()
else:
ydist = 15 + widgets[0].height()
# Start animating.
dt = self._animate.get()
dy = ydist * 2.0 / dt
self._animate_reduce_frame(dt / 2, widgets, dy)
def _animate_reduce_frame(self, frame, widgets, dy):
if frame > 0:
self._animating_lock = 1
for widget in widgets:
widget.move(0, dy)
self._top.after(10, self._animate_reduce_frame, frame - 1, widgets, dy)
else:
del self._stackwidgets[-len(widgets) :]
for widget in widgets:
self._cframe.remove_widget(widget)
tok = self._parser.stack()[-1]
if not isinstance(tok, Tree):
raise ValueError()
label = TextWidget(self._canvas, str(tok.node), color="#006060", font=self._boldfont)
widget = TreeSegmentWidget(self._canvas, label, widgets, width=2)
(x1, y1, x2, y2) = self._stacklabel.bbox()
y = y2 - y1 + 10
if not self._stackwidgets:
x = 5
else:
x = self._stackwidgets[-1].bbox()[2] + 10
self._cframe.add_widget(widget, x, y)
self._stackwidgets.append(widget)
# Display the available productions.
self._draw_stack_top(widget)
self._highlight_productions()
# # Delete the old widgets..
# del self._stackwidgets[-len(widgets):]
# for widget in widgets:
# self._cframe.destroy_widget(widget)
#
# # Make a new one.
# tok = self._parser.stack()[-1]
# if isinstance(tok, Tree):
# attribs = {'tree_color': '#4080a0', 'tree_width': 2,
# 'node_font': bold, 'node_color': '#006060',
# 'leaf_color': '#006060', 'leaf_font':self._font}
# widget = tree_to_treesegment(self._canvas, tok.type(),
# **attribs)
# widget.node()['color'] = '#000000'
# else:
# widget = TextWidget(self._canvas, tok.type(),
# color='#000000', font=self._font)
# widget.bind_click(self._popup_reduce)
# (x1, y1, x2, y2) = self._stacklabel.bbox()
# y = y2-y1+10
# if not self._stackwidgets: x = 5
# else: x = self._stackwidgets[-1].bbox()[2] + 10
# self._cframe.add_widget(widget, x, y)
# self._stackwidgets.append(widget)
# self._redraw()
self._animating_lock = 0
#########################################
## Hovering.
#########################################
def _highlight_hover(self, event):
# What production are we hovering over?
index = self._prodlist.nearest(event.y)
if self._hover == index:
return
# Clear any previous hover highlighting.
self._clear_hover()
# If the production corresponds to an available reduction,
# highlight the stack.
selection = [int(s) for s in self._prodlist.curselection()]
if index in selection:
rhslen = len(self._productions[index].rhs())
for stackwidget in self._stackwidgets[-rhslen:]:
if isinstance(stackwidget, TreeSegmentWidget):
stackwidget.node()["color"] = "#00a000"
else:
stackwidget["color"] = "#00a000"
# Remember what production we're hovering over.
self._hover = index
def _clear_hover(self, *event):
# Clear any previous hover highlighting.
if self._hover == -1:
return
self._hover = -1
for stackwidget in self._stackwidgets:
if isinstance(stackwidget, TreeSegmentWidget):
stackwidget.node()["color"] = "black"
else:
stackwidget["color"] = "black"
class MainApp(object):
"""
The MainApp based on TKinter
Attributes
----------
root : Tk
The Tk object
dbfdata : dictionary
The current dbf data
menubar : Menu
The menu bar
attibmenu : Menu
The attribute menu
"""
def __init__(self):
self.root = Tk()
self.root.geometry("300x250")
self.root.title("Shape file Reader")
self.createMenu()
self.root.mainloop()
def createMenu(self):
"""
Creates GUI components and register events
"""
self.menubar = Menu(self.root)
self.dbfdata = None
filemenu = Menu(self.menubar, tearoff=0)
filemenu.add_command(label="Open", command=self.__openShpfile)
filemenu.add_separator()
filemenu.add_command(label="Exit", command=self.root.quit)
self.menubar.add_cascade(label="File", menu=filemenu)
self.attibmenu = Menu(self.menubar, tearoff=0)
self.menubar.add_cascade(label="Attibutes", menu=self.attibmenu,state='disabled')
#Sagar Jha
self.menubar.add_cascade(label="Simulator",command=self.__simulate)
#Added Simulator
self.root.config(menu=self.menubar)
def __simulate(self):
"""
This function will create object of SimulatorExperimence
"""
self.Sim = SimulatorExperimence()
## Test to check object type
## print(type(self.Sim))
self.Sim.doTest()
def __openShpfile(self):
"""
Open a shapefile and read in the contents, pop up the attribute menu
with the attributes of the shapefile
"""
print "open shape file!"
directory="C:/Users/sjha1/Documents/GitHub/Simulator_GUI/Python-Sample/data/states/48States.shp"
#tkFileDialog.askopenfilename(filetypes=[("SHAPE_FILE","*.shp")])
print directory
if directory == "":
return
self.shapes, self.shp_type, self.bbox = shp_reader.read_shp(directory)
#read corresponding dbf data
dbfFile = dbf.DbfLoader(directory[:-3] + "dbf")
t = dbfFile.table2list()
varNames = dbfFile.get_field_names()
variables = {}
for variable in varNames:
variables[variable] = [record[varNames.index(variable)] for record in t]
if self.dbfdata!=None:
self.attibmenu.delete(0, len(self.dbfdata)-1)
#add attributes into menu
for key in variables.keys():
self.__addAttribute(key)
self.dbfdata = variables
self.menubar.entryconfig(2, state=Tkconstants.NORMAL)
self.__updateCanvas("STATE_NAME")
def __addAttribute(self,attributeName):
"""
Add an attribute to the menu
"""
self.attibmenu.add_command(label=attributeName, command=lambda i=attributeName:self.__updateCanvas(i))
def __updateCanvas(self, attributeName):
"""
Updates the canvas and showing statistical information
"""
print "update Canvas "+attributeName
data_list=self.dbfdata[attributeName]
print "attribute values: ", data_list
try:
n, min_max, mean, var, skew, kurt = stats.describe(data_list)
print "============================"
print "attribute statistics\n"
print("Number of units: {0:d}".format(n))
print("Minimum: {0:8.6f} Maximum: {1:8.6f}".format(min_max[0], min_max[1]))
print("Mean: {0:8.6f}".format(mean))
print("Standard deviation: {0:8.6f}".format(math.sqrt(var)))
print("Skew : {0:8.6f}".format(skew))
print("Kurtosis: {0:8.6f}".format(kurt))
print "\n============================"
high=max(data_list)
low=min(data_list)
dif=float(high-low)
for i in range(len(data_list)):
#map colors to 0-200, 0-200, 0-200 (avoid pure white for display purpose)
index=float(data_list[i]-low)/dif*200
index=str(hex(200-int(index)).split('x')[1])
color="#"+index+index+index
self.shapes[i].color=color
except:
print "non-numeric attribute"
self.canvas=MainCanvas(self.shapes,self.bbox,self.shp_type,self.root,attributeName,data_list)
class SubMenu():
"""
Defines a generic Sub menu class that may be used as part of a larger menu
"""
def __init__(self, parent_menu, label):
"""
Construct the SubMenu instance
:param parent_menu: The menu in which this submenu will be accessed from
:param label: The label to give the submenu, this is what the user will see
:return: An instance of SubMenu
"""
self._parent_menu = parent_menu
self._options = {}
self._label = label
self._menu = Menu(parent_menu)
self._key_underline = 0
def add_option(self, label, action, type_func, shortcut):
"""
Adds a menu item to the submenu
Adds a menu item to the tk representation of the menu, as well as the underlying
dictionary that defines the menu. This method also allows the addition of a keyboard
shortcut to be defined for a particular menu option
:param label:
:param action:
:param type_func:
:param shortcut:
:return:
"""
pass
def add_option(self, label, action, type_func):
"""
Adds a menu item to the submenu
Adds a menu item to the dictionary of menu items that make up this
submenu. Also adds the command to actual Tk menu structure,
Function will fail if the menu item already exists
:param label(string): The label of the option to add
:param action(function): The action callback to be executed
:param type_func(string): The menu entry function for the type of item to add to the menu
"""
_type = \
{ "command" : self._menu.add_command,
"checkbutton" : self._menu.add_checkbutton,
"radiobutton" : self._menu.add_radiobutton
}
if label in self._options:
raise DuplicateCommandException(label)
self._options[label] = action
_type[type_func](label=label, command=action)
def remove_option(self, label):
"""
Remove a menu option from this submenu
Removes a menu option from this submenu
Will fail silently if the menu item does not exist
:param label: The label of the menu item that needs to be removed
"""
del self._options[label]
index = self._menu.index(label)
self._menu.delete(index, index)
class SurfaceManipulator(Frame):
r"""
A translation surface editor in tk.
"""
# STATIC METHODS AND OBJECTS
current = None
# boolean variable to remember if the hook was run!
_clear_hook_was_run = 0
@staticmethod
def launch(geometry="800x700+10+10"):
r"""Prefered way to gain access to a SurfaceManipulator window."""
if SurfaceManipulator.current is None:
SurfaceManipulator._clear_hook()
root = Tk()
root.geometry(geometry)
SurfaceManipulator.current = SurfaceManipulator(root)
return SurfaceManipulator.current
@staticmethod
def _window_destroyed(surface_manipulator):
if SurfaceManipulator.current is surface_manipulator:
SurfaceManipulator.current = None
@staticmethod
def _clear_hook():
if not SurfaceManipulator._clear_hook_was_run:
# Hack due to Nathan Dunfield (http://trac.sagemath.org/ticket/15152)
import IPython.lib.inputhook as ih
ih.clear_inputhook()
SurfaceManipulator._clear_hook_was_run = 1
# NORMAL METHODS
def __init__(self, parent, surface=None, surfaces=[]):
r"""
INPUT:
- ``surfaces`` -- a list of surfaces that the editor may modify
- ``surface`` -- surface selected by default
- ``parent`` -- parent Tk window
"""
Frame.__init__(self, parent)
self._parent = parent
self.pack(fill="both", expand=1)
# Run something when closing
self._parent.wm_protocol("WM_DELETE_WINDOW", self.exit)
# Surface currently being manipulated
self._surface = None
# List of surfaces in editor
self._surfaces = []
# More variables to initialize
self._currentActor = None
# Initialization of GUI
self._init_menu()
self._init_gui()
# Setup surface list
for s in surfaces:
self.add_surface(s)
# Setup initial surface
if surface is not None:
self.add_surface(surface)
self.set_surface(surface)
def __repr__(self):
return "Surface manipulator"
def add_mega_wollmilchsau(self):
from geometry.mega_wollmilchsau import MegaWollmilchsau
s = MegaWollmilchsau()
sm, sb = s.get_bundle()
self.set_surface(sb)
def add_octagon(self):
from geometry.similarity_surface_generators import TranslationSurfaceGenerators
ss = TranslationSurfaceGenerators.regular_octagon()
ss.edit()
def _init_menu(self):
self._menubar = Menu(self._parent)
menubar = self._menubar
self._parent.config(menu=menubar)
#new_menu = Menu(menubar, tearoff=0)
#new_menu.add_command(label="Billiard Table", command=self.on_new_similarity_surface)
file_menu = Menu(menubar, tearoff=0)
#file_menu.add_cascade(label="New", menu=new_menu)
file_menu.add_command(label="Octagon", command=self.add_octagon)
file_menu.add_command(label="MegaWollmilchsau",
command=self.add_mega_wollmilchsau)
file_menu.add_separator()
file_menu.add_command(label="About", command=self.on_about)
file_menu.add_command(label="Export PostScript",
command=self.on_export)
file_menu.add_command(label="Exit",
command=self.exit,
accelerator="Alt+F4")
menubar.add_cascade(label="File", underline=0, menu=file_menu)
self._surface_menu = Menu(menubar, tearoff=0)
self._selected_surface = IntVar()
self._selected_surface.set(-1)
menubar.add_cascade(label="Surface",
underline=0,
menu=self._surface_menu)
self._surface_menu.add_radiobutton(label="None",
command=self.menu_select_surface,
variable=self._selected_surface,
value=-1)
def _init_gui(self):
self._parent.title("FlatSurf Editor")
self._canvas = Canvas(self, bg="#444", width=300, height=200)
self._canvas.pack(fill="both", expand=1)
self.bottom_text = Label(self, text="Welcome to FlatSurf.", anchor="w")
self.bottom_text.pack(fill="x", expand=0)
self.set_actor(None)
def add_surface(self, newsurface):
r"""
Add a surface to the display list for the window.
Returns the index of the new surface in the surface list.
"""
if (newsurface == None):
return -1
i = 0
for s in self._surfaces:
if (s == newsurface):
return i
i = i + 1
self._surfaces.append(newsurface)
newsurface.zoom_fit_nice_boundary()
self._reset_surface_menu()
return len(self._surfaces) - 1
def exit(self):
SurfaceManipulator._window_destroyed(self)
self._parent.destroy()
def find_bundle(self, surface):
for surface_bundle in self._surfaces:
if surface is surface_bundle.get_surface():
return surface_bundle
return None
def get_bundle(self):
return self._surface
def get_bundles(self):
return self._surfaces
def get_canvas(self):
return self._canvas
def get_center(self):
r"""
Return the center of the canvas as a pair of integers.
"""
return (self.get_width() / 2, self.get_height() / 2)
def get_height(self):
r"""
Return the height of the canvas (an integer).
"""
return self.get_canvas().winfo_height()
def get_parent(self):
return self._parent
def get_surface_bundle(self):
r"""
Get the current surface bundle, or None if there is none.
"""
return self._surface
def get_width(self):
r"""
Return the width of the canvas (an integer).
"""
return self.get_canvas().winfo_width()
def menu_select_surface(self):
r"""
Called when a surface is selected from a menu.
"""
i = self._selected_surface.get()
if i == -1:
self.set_surface(None)
else:
self.set_surface(self._surfaces[i])
def on_about(self):
self.set_text("Written by Vincent Delecroix and Pat Hooper.")
def on_delete_junk(self):
self._canvas.delete("junk")
def on_export(self):
r"""
Export image as postscript file.
"""
myFormats = [('PostScript', '*.ps')]
fileName = tkFileDialog.asksaveasfilename(parent=self,
filetypes=myFormats,
title="Save image as...")
if len(fileName) > 0:
self._canvas.update()
self._canvas.postscript(file=fileName)
self.set_text("Wrote image to " + fileName)
# def on_new_similarity_surface(self):
# s = CreateSimilaritySurfaceBundle(len(self._surfaces),self)
# if s is not None:
# i = self.set_surface(s)
# self.set_text("Created new surface `"+self._surfaces[i].get_name()+"'.")
def _on_no_surface(self):
self._canvas.delete("all")
def _on_zoom(self):
self.set_actor(ZoomActor(self))
def _on_zoom_box(self):
self.set_actor(ZoomBoxActor(self))
def _on_redraw_all(self):
if self._surface is not None:
self._surface.redraw_all()
def _on_recenter(self):
self.set_actor(RecenterActor(self))
def _reset_menus(self):
r"""
Reset all menus except the file and surface menu
"""
# The following loop removes all but the first two menus (File and Surface).
num = len(self._menubar.children)
for i in range(num, 2, -1):
self._menubar.delete(i)
if self._surface != None:
self._surface.make_menus(self._menubar)
def _reset_surface_menu(self):
r"""
Reset the surface menu.
"""
### This is a hack to get the number of items in the menu:
num = self._surface_menu.index(100) + 1
# First we remove everything but the first entry ("None")
for i in range(num - 1, 0, -1):
#print("removing a child2: "+str(i)+" of "+str(num))
self._surface_menu.delete(i)
# Add an entry for every surface in the list.
for i in range(len(self._surfaces)):
surface = self._surfaces[i]
self._surface_menu.add_radiobutton(
label=surface.get_name(),
command=self.menu_select_surface,
variable=self._selected_surface,
value=i)
def set_text(self, text):
self.bottom_text["text"] = text
def set_actor(self, actor):
r"""
Set the current mode of user interaction.
"""
if (actor != self._currentActor):
if self._currentActor != None:
self._currentActor.on_deactivate()
if (actor == None):
self.set_text("Nothing going on.")
# Event bindings
self._canvas.unbind('<Button-1>')
self._canvas.unbind('<Button-2>')
self._canvas.unbind('<Button-3>')
self._canvas.unbind('<Double-Button-1>')
self._canvas.unbind('<Shift-Button-1>')
self._canvas.unbind('<Motion>')
self.unbind('<FocusIn>')
self.unbind('<FocusOut>')
#self._canvas.unbind('<ButtonPress-1>')
self._canvas.unbind('<ButtonRelease-1>')
self._canvas.unbind('<B1-Motion>')
self._parent.unbind('<Key>')
self._parent.unbind('<KeyRelease>')
else:
# Event bindings
self._canvas.bind('<Button-1>', actor.single_left_click)
self._canvas.bind('<Double-Button-1>', actor.double_left_click)
self._canvas.bind('<Triple-Button-1>', actor.double_left_click)
self._canvas.bind('<Button-2>', actor.single_middle_click)
self._canvas.bind('<Double-Button-2>',
actor.double_middle_click)
self._canvas.bind('<Triple-Button-2>',
actor.double_middle_click)
self._canvas.bind('<Button-3>', actor.single_right_click)
self._canvas.bind('<Double-Button-3>',
actor.double_right_click)
self._canvas.bind('<Triple-Button-3>',
actor.double_right_click)
self._canvas.bind('<Shift-Button-1>', actor.shift_click)
self._canvas.bind('<Motion>', actor.mouse_moved)
#self._canvas.bind('<ButtonPress-1>', actor.left_mouse_pressed)
self._canvas.bind('<ButtonRelease-1>',
actor.left_mouse_released)
self._canvas.bind('<B1-Motion>', actor.left_dragged)
self.bind('<FocusIn>', actor.focus_in)
self.bind('<FocusOut>', actor.focus_out)
self._parent.bind('<Key>', actor.key_press)
self._parent.bind('<KeyRelease>', actor.key_release)
self._currentActor = actor
self._currentActor.on_activate()
def set_surface(self, surface_bundle):
r"""
Set the current surface to the one given by surface_bundle
"""
i = self.add_surface(surface_bundle)
if surface_bundle != self._surface:
self._canvas.delete("all")
self._surface = surface_bundle
self._surface_menu.invoke(i + 1)
if i >= 0:
self.set_text("Switched to `" + self._surface.get_name() +
"'.")
self._parent.title(self._surface.get_name())
self._reset_menus()
# stop the actor (was a bug).
self.set_actor(None)
if isinstance(self._surface, EditorRenderer):
self._surface.initial_render()
else:
self.set_text("No surface selected.")
self._parent.title("FlatSurf Editor")
self._reset_menus()
self.set_actor(None)
return i
def surface_renamed(self):
if self._surface is not None:
self._parent.title(self._surface.get_name())
self._reset_surface_menu()
class SurfaceManipulator(Frame):
r"""
A translation surface editor in tk.
"""
# STATIC METHODS AND OBJECTS
current = None
# boolean variable to remember if the hook was run!
_clear_hook_was_run = 0
@staticmethod
def launch(geometry = "800x700+10+10"):
r"""Prefered way to gain access to a SurfaceManipulator window."""
if SurfaceManipulator.current is None:
SurfaceManipulator._clear_hook()
root = Tk()
root.geometry(geometry)
SurfaceManipulator.current=SurfaceManipulator(root)
return SurfaceManipulator.current
@staticmethod
def _window_destroyed(surface_manipulator):
if SurfaceManipulator.current is surface_manipulator:
SurfaceManipulator.current = None
@staticmethod
def _clear_hook():
if not SurfaceManipulator._clear_hook_was_run:
# Hack due to Nathan Dunfield (http://trac.sagemath.org/ticket/15152)
import IPython.lib.inputhook as ih
ih.clear_inputhook()
SurfaceManipulator._clear_hook_was_run = 1
# NORMAL METHODS
def __init__(self, parent, surface=None, surfaces=[]):
r"""
INPUT:
- ``surfaces`` -- a list of surfaces that the editor may modify
- ``surface`` -- surface selected by default
- ``parent`` -- parent Tk window
"""
Frame.__init__(self, parent)
self._parent = parent
self.pack(fill="both", expand=1)
# Run something when closing
self._parent.wm_protocol ("WM_DELETE_WINDOW", self.exit)
# Surface currently being manipulated
self._surface=None
# List of surfaces in editor
self._surfaces=[]
# More variables to initialize
self._currentActor=None
# Initialization of GUI
self._init_menu()
self._init_gui()
# Setup surface list
for s in surfaces:
self.add_surface(s)
# Setup initial surface
if surface is not None:
self.add_surface(surface)
self.set_surface(surface)
def __repr__(self):
return "Surface manipulator"
def add_mega_wollmilchsau(self):
from geometry.mega_wollmilchsau import MegaWollmilchsau
s = MegaWollmilchsau()
sm,sb = s.get_bundle()
self.set_surface(sb)
def add_octagon(self):
from geometry.similarity_surface_generators import TranslationSurfaceGenerators
ss=TranslationSurfaceGenerators.regular_octagon()
ss.edit()
def _init_menu(self):
self._menubar = Menu(self._parent)
menubar=self._menubar
self._parent.config(menu=menubar)
#new_menu = Menu(menubar, tearoff=0)
#new_menu.add_command(label="Billiard Table", command=self.on_new_similarity_surface)
file_menu = Menu(menubar, tearoff=0)
#file_menu.add_cascade(label="New", menu=new_menu)
file_menu.add_command(label="Octagon", command=self.add_octagon)
file_menu.add_command(label="MegaWollmilchsau", command=self.add_mega_wollmilchsau)
file_menu.add_separator()
file_menu.add_command(label="About", command=self.on_about)
file_menu.add_command(label="Export PostScript", command=self.on_export)
file_menu.add_command(label="Exit", command=self.exit, accelerator="Alt+F4")
menubar.add_cascade(label="File", underline=0, menu=file_menu)
self._surface_menu = Menu(menubar, tearoff=0)
self._selected_surface = IntVar()
self._selected_surface.set(-1)
menubar.add_cascade(label="Surface", underline=0, menu=self._surface_menu)
self._surface_menu.add_radiobutton(label="None",
command=self.menu_select_surface, variable=self._selected_surface,
value=-1)
def _init_gui(self):
self._parent.title("FlatSurf Editor")
self._canvas = Canvas(self, bg="#444", width=300, height=200)
self._canvas.pack(fill="both", expand=1)
self.bottom_text = Label(self, text="Welcome to FlatSurf.",
anchor="w")
self.bottom_text.pack(fill="x", expand=0)
self.set_actor(None)
def add_surface(self,newsurface):
r"""
Add a surface to the display list for the window.
Returns the index of the new surface in the surface list.
"""
if (newsurface==None):
return -1
i=0
for s in self._surfaces:
if (s==newsurface):
return i
i=i+1
self._surfaces.append(newsurface)
newsurface.zoom_fit_nice_boundary()
self._reset_surface_menu()
return len(self._surfaces)-1
def exit(self):
SurfaceManipulator._window_destroyed(self)
self._parent.destroy()
def find_bundle(self, surface):
for surface_bundle in self._surfaces:
if surface is surface_bundle.get_surface():
return surface_bundle
return None
def get_bundle(self):
return self._surface
def get_bundles(self):
return self._surfaces
def get_canvas(self):
return self._canvas
def get_center(self):
r"""
Return the center of the canvas as a pair of integers.
"""
return ( self.get_width()/2, self.get_height()/2 )
def get_height(self):
r"""
Return the height of the canvas (an integer).
"""
return self.get_canvas().winfo_height()
def get_parent(self):
return self._parent
def get_surface_bundle(self):
r"""
Get the current surface bundle, or None if there is none.
"""
return self._surface
def get_width(self):
r"""
Return the width of the canvas (an integer).
"""
return self.get_canvas().winfo_width()
def menu_select_surface(self):
r"""
Called when a surface is selected from a menu.
"""
i = self._selected_surface.get()
if i == -1:
self.set_surface(None)
else:
self.set_surface(self._surfaces[i])
def on_about(self):
self.set_text("Written by Vincent Delecroix and Pat Hooper.")
def on_delete_junk(self):
self._canvas.delete("junk")
def on_export(self):
r"""
Export image as postscript file.
"""
myFormats = [('PostScript','*.ps')]
fileName = tkFileDialog.asksaveasfilename(parent=self,
filetypes=myFormats , title="Save image as...")
if len(fileName ) > 0:
self._canvas.update()
self._canvas.postscript(file = fileName)
self.set_text("Wrote image to "+fileName)
# def on_new_similarity_surface(self):
# s = CreateSimilaritySurfaceBundle(len(self._surfaces),self)
# if s is not None:
# i = self.set_surface(s)
# self.set_text("Created new surface `"+self._surfaces[i].get_name()+"'.")
def _on_no_surface(self):
self._canvas.delete("all")
def _on_zoom(self):
self.set_actor(ZoomActor(self))
def _on_zoom_box(self):
self.set_actor(ZoomBoxActor(self))
def _on_redraw_all(self):
if self._surface is not None:
self._surface.redraw_all()
def _on_recenter(self):
self.set_actor(RecenterActor(self))
def _reset_menus(self):
r"""
Reset all menus except the file and surface menu
"""
# The following loop removes all but the first two menus (File and Surface).
num = len(self._menubar.children)
for i in range(num,2,-1):
self._menubar.delete(i)
if self._surface!= None:
self._surface.make_menus(self._menubar)
def _reset_surface_menu(self):
r"""
Reset the surface menu.
"""
### This is a hack to get the number of items in the menu:
num = self._surface_menu.index(100)+1
# First we remove everything but the first entry ("None")
for i in range(num-1,0,-1):
#print("removing a child2: "+str(i)+" of "+str(num))
self._surface_menu.delete(i)
# Add an entry for every surface in the list.
for i in range( len(self._surfaces) ):
surface = self._surfaces[i]
self._surface_menu.add_radiobutton(label=surface.get_name(),
command=self.menu_select_surface, variable=self._selected_surface,
value=i)
def set_text(self, text):
self.bottom_text["text"]=text
def set_actor(self, actor):
r"""
Set the current mode of user interaction.
"""
if (actor != self._currentActor):
if self._currentActor != None:
self._currentActor.on_deactivate()
if (actor==None):
self.set_text("Nothing going on.")
# Event bindings
self._canvas.unbind('<Button-1>')
self._canvas.unbind('<Button-2>')
self._canvas.unbind('<Button-3>')
self._canvas.unbind('<Double-Button-1>')
self._canvas.unbind('<Shift-Button-1>')
self._canvas.unbind('<Motion>')
self.unbind('<FocusIn>')
self.unbind('<FocusOut>')
#self._canvas.unbind('<ButtonPress-1>')
self._canvas.unbind('<ButtonRelease-1>')
self._canvas.unbind('<B1-Motion>')
self._parent.unbind('<Key>')
self._parent.unbind('<KeyRelease>')
else:
# Event bindings
self._canvas.bind('<Button-1>', actor.single_left_click)
self._canvas.bind('<Double-Button-1>', actor.double_left_click)
self._canvas.bind('<Triple-Button-1>', actor.double_left_click)
self._canvas.bind('<Button-2>', actor.single_middle_click)
self._canvas.bind('<Double-Button-2>', actor.double_middle_click)
self._canvas.bind('<Triple-Button-2>', actor.double_middle_click)
self._canvas.bind('<Button-3>', actor.single_right_click)
self._canvas.bind('<Double-Button-3>', actor.double_right_click)
self._canvas.bind('<Triple-Button-3>', actor.double_right_click)
self._canvas.bind('<Shift-Button-1>', actor.shift_click)
self._canvas.bind('<Motion>', actor.mouse_moved)
#self._canvas.bind('<ButtonPress-1>', actor.left_mouse_pressed)
self._canvas.bind('<ButtonRelease-1>', actor.left_mouse_released)
self._canvas.bind('<B1-Motion>',actor.left_dragged)
self.bind('<FocusIn>', actor.focus_in)
self.bind('<FocusOut>', actor.focus_out)
self._parent.bind('<Key>', actor.key_press)
self._parent.bind('<KeyRelease>', actor.key_release)
self._currentActor=actor
self._currentActor.on_activate()
def set_surface(self,surface_bundle):
r"""
Set the current surface to the one given by surface_bundle
"""
i = self.add_surface(surface_bundle)
if surface_bundle != self._surface:
self._canvas.delete("all")
self._surface=surface_bundle
self._surface_menu.invoke(i+1)
if i >= 0:
self.set_text("Switched to `"+self._surface.get_name()+"'.")
self._parent.title(self._surface.get_name())
self._reset_menus()
# stop the actor (was a bug).
self.set_actor(None)
if isinstance(self._surface, EditorRenderer):
self._surface.initial_render()
else:
self.set_text("No surface selected.")
self._parent.title("FlatSurf Editor")
self._reset_menus()
self.set_actor(None)
return i
def surface_renamed(self):
if self._surface is not None:
self._parent.title(self._surface.get_name())
self._reset_surface_menu()
class App(Frame):
def __init__(self, master=None):
self.master = master
Frame.__init__(self, master, relief=SUNKEN, bd=2)
self.gcode = []
self.slicing = False
self.printing = False
self.connected = False
self.monitorTemp = False
self.paused = False
self.sdpresent = False
self.sdlisting = False
self.sdchecking = False
self.sdprinting = False
self.sdpaused = False
self.sduploading = False
self.sdbytes = 0
self.sdmaxbytes = 0
self.insidelisting = False
self.readingFirmware = False
self.sdfiles = []
self.bedtemp = float(0)
self.bedtarget = float(0)
self.exttemp = float(0)
self.exttarget = float(0)
self.acceleration = 0
self.m114count = 0
self.speedcount = 0
self.location = [0, 0, 0, 0]
self.pausePoint = [0, 0, 0, 0]
self.percent = 0.0
self.ets = "??"
self.gcodeInfo = None
self.GCodeFile = None
self.StlFile = None
self.Profile = None
self.printStartLine = 0
self.startTime = 0
self.endTime = 0
self.elapsedTime = 0
self.FanSpeed = 0
self.FeedMultiply = 100
self.ExtrudeMultiply = 100
self.timingReport = None
self.filamentReport = None
self.measurementsReport = None
self.macroButtons = None
self.rpt1re = re.compile(" *T:([0-9\.]+) *E:[0-9\.]+ *B:([0-9\.]+)")
self.rpt2re = re.compile(" *T:([0-9\.]+) *E:[0-9\.]+ *W:.*")
self.locrptre = re.compile("^X:([0-9\.\-]+)Y:([0-9\.\-]+)Z:([0-9\.\-]+)E:([0-9\.\-]+) *Count")
self.speedrptre = re.compile("Fan speed:([0-9]+) Feed Multiply:([0-9]+) Extrude Multiply:([0-9]+)")
self.sdre = re.compile("SD printing byte *([0-9]+) *\/ *([0-9]+)")
self.printer = printcore()
self.settings = Settings()
self.settings.cmdFolder = cmd_folder
self.logger = Logger(self)
if self.settings.speedcommand is not None:
allow_while_printing.append(self.settings.speedcommand)
self.acceleration = self.settings.acceleration
self.dataLoggers = {}
for d in DLLIST:
self.dataLoggers[d] = DataLogger(self, d)
self.skeinforge = Skeinforge(self.settings)
self.slic3r = Slic3r(self.settings)
self.httpServer = RepRapServer(self, self.printer, self.settings, self.logger, self.settings.port)
self.menubar = Menu(self)
self.filemenu = Menu(self.menubar, tearoff=0)
self.menubar.add_cascade(label="File", menu=self.filemenu)
self.filemenu.add_command(label="Slice", command=self.openSTLFile)
self.filemenu.add_command(label="Load GCode", command=self.openGCodeFile)
self.slicemenuindex = self.filemenu.index("Slice")
self.loadgcodemenuindex = self.filemenu.index("Load GCode")
self.filemenu.add_separator()
self.filemenu.add_command(label="Exit", command=self.quitApp)
self.editmenu = Menu(self.menubar, tearoff=0)
self.menubar.add_cascade(label="Edit", menu=self.editmenu)
self.editmenu.add_command(label="Settings", command=self.editSettings)
self.editmenu.add_command(label="Firmware Settings", command=self.FirmwareSettings)
self.editmenu.add_separator()
self.editmenu.add_command(label=GCODE_MENU_TEXT, command=self.doGEdit, state=DISABLED)
self.slicermenu = Menu(self.menubar, tearoff=0)
self.menubar.add_cascade(label="Slicer", menu=self.slicermenu)
self.rbSlicer = StringVar()
self.slicermenu.add_radiobutton(
label="Skeinforge", command=self.selSlicer, value=SKEINFORGE, variable=self.rbSlicer
)
self.slicermenu.add_command(label="Settings", command=self.skeinforgeSettings)
self.slicermenu.add_command(label="Choose Profile", command=self.chooseSFProfile)
self.SFprofileindex = self.slicermenu.index("Choose Profile")
self.setSFProfileMenuText()
self.slicermenu.add_command(label="Alterations", command=self.doEditAlterations)
self.slicermenu.add_separator()
self.slicermenu.add_radiobutton(label="Slic3r", command=self.selSlicer, value=SLIC3R, variable=self.rbSlicer)
self.slicermenu.add_command(label="Settings", command=self.slic3rSettings)
self.slicermenu.add_command(label="Choose Profile", command=self.chooseS3Profile)
self.S3profileindex = self.slicermenu.index("Choose Profile")
self.setS3ProfileMenuText()
self.rbSlicer.set(self.settings.slicer)
self.macromenu = Menu(self.menubar, tearoff=0)
self.menubar.add_cascade(label="Macros", menu=self.macromenu)
self.macromenu.add_command(label="New", command=self.doNewMacro)
self.macromenu.add_command(label="Edit", command=self.doEditMacro)
self.macromenu.add_command(label="Delete", command=self.doDelMacro)
self.macromenu.add_separator()
self.cbShowMacroButtons = BooleanVar()
self.cbShowMacroButtons.set(self.settings.showmacrobuttons)
self.macromenu.add_checkbutton(
label="Show Macro Buttons",
command=self.doShowButtons,
onvalue=True,
offvalue=False,
variable=self.cbShowMacroButtons,
)
self.macromenu.add_separator()
self.runmacromenu = Menu(self.macromenu, tearoff=0)
self.loadMacros()
self.macromenu.add_cascade(label="Run", menu=self.runmacromenu)
self.reportmenu = Menu(self.menubar, tearoff=0)
self.menubar.add_cascade(label="View", menu=self.reportmenu)
self.cbShowPrevious = BooleanVar()
self.cbShowPrevious.set(self.settings.showprevious)
self.reportmenu.add_checkbutton(
label="Show Previous Layer",
command=self.toggleShowPrevious,
onvalue=True,
offvalue=False,
variable=self.cbShowPrevious,
)
self.cbShowMoves = BooleanVar()
self.cbShowMoves.set(self.settings.showmoves)
self.reportmenu.add_checkbutton(
label="Show Non-extrusion Moves",
command=self.toggleShowMoves,
onvalue=True,
offvalue=False,
variable=self.cbShowMoves,
)
self.reportmenu.add_separator()
self.reportmenu.add_command(label="Show Hours of Usage", command=self.doDataLogReport)
self.reportmenu.add_command(label="Reset Hours of Usage", command=self.doDataLogReset)
self.reportmenu.add_separator()
self.reportmenu.add_command(label="Layer by Layer Timing", command=self.doTimingReport)
self.reportmenu.add_command(label="Layer by Layer Filament Usage", command=self.doFilamentReport)
self.reportmenu.add_command(label="GCode Measurements", command=self.doMeasurementsReport)
self.toolsmenu = Menu(self.menubar, tearoff=0)
n = 0
if self.settings.platercmd is not None:
n += 1
self.toolsmenu.add_command(label="Plater", command=self.doPlater)
if self.settings.gcodeviewcmd is not None:
n += 1
self.toolsmenu.add_command(label="GCode Viewer", command=self.doGCodeView)
if self.settings.stlviewcmd is not None:
n += 1
self.toolsmenu.add_command(label="STL Viewer", command=self.doSTLView)
if self.settings.openscadcmd is not None:
n += 1
self.toolsmenu.add_command(label="OpenSCAD", command=self.doOpenSCAD)
if n > 0:
self.menubar.add_cascade(label="Tools", menu=self.toolsmenu)
try:
self.master.config(menu=self.menubar)
except AttributeError:
self.master.tk.call(master, "config", "-menu", self.menubar)
self.toolbar = ToolBar(self, self.printer, self.settings, self.logger)
self.toolbar.grid(row=1, column=1, columnspan=4, sticky=W)
self.ctl = MoveControl(self, self.printer, self.settings, self.logger)
self.ctl.grid(row=2, column=1, rowspan=3, sticky=N)
self.extr = Extruder(self, self.printer, self.settings, self.logger)
self.extr.grid(row=2, column=2, rowspan=1, sticky=N + E + W)
self.temps = Temperatures(self, self.printer, self.settings, self.logger)
self.temps.grid(row=3, column=2, rowspan=2, sticky=N + E + W)
self.gc = GcFrame(self, None, [], self.settings, self.logger)
self.gc.grid(row=2, column=3, rowspan=3, sticky=N)
self.statline = Status(self, self.printer, self.settings, self.logger)
self.statline.grid(row=5, column=1, columnspan=4, sticky=E + W)
self.logger.grid(row=2, column=4, rowspan=2, sticky=N + E + W)
self.sendgcode = SendGCode(self, self.printer, self.settings, self.logger)
self.sendgcode.grid(row=4, column=4, sticky=N + E + W)
self.printer.errorcb = self.errorcb
self.printer.sendcb = self.sendcb
self.printer.recvcb = self.recvcb
self.sd = SDCard(self, self.printer, self.settings, self.logger)
self.firmware = FirmwareParms(self, self.printer, self.settings, self.logger)
self.bind(MWM_FIRMWARECOMPLETE, self.firmwareReportComplete)
self.bind(MWM_SLICERCOMPLETE, self.sliceComplete)
self.bind(MWM_GCODELOADCOMPLETE, self.loadgcodeFinished)
self.bind(MWM_GEDITMEASURECOMPLETE, self.geditMeasureComplete)
self.bind(MWM_REQUESTPOSITIONREPORT, self.requestPosition)
self.doShowButtons()
def doStopAll(self):
self.toolbar.doPause()
self.temps.doOffBed()
self.temps.doOffExt()
def requestPosition(self, *arg):
self.m114count += 1
self.printer.send_now("M400") # finish all moves
self.printer.send_now("M114")
def doShowButtons(self):
self.settings.showmacrobuttons = self.cbShowMacroButtons.get() == 1
self.settings.setModified()
if self.settings.showmacrobuttons:
self.macroButtons = MacroButtons(self, self.printer, self.settings, self.logger)
else:
if self.macroButtons:
self.macroButtons.close()
self.macroButtons = None
def toggleShowPrevious(self):
self.settings.showprevious = self.cbShowPrevious.get() == 1
self.settings.setModified()
self.gc.drawCanvas()
def toggleShowMoves(self):
self.settings.showmoves = self.cbShowMoves.get() == 1
self.settings.setModified()
self.gc.drawCanvas()
def selSlicer(self):
self.settings.slicer = self.rbSlicer.get()
self.settings.setModified()
self.toolbar.setSliceText()
def macroButtonClose(self):
self.settings.showmacrobuttons = False
self.settings.setModified()
self.cbShowMacroButtons.set(False)
def firmwareReportComplete(self, *arg):
p = self.firmware.reportComplete()
if p is not None:
self.acceleration = p["m204_s"].getFlash()
print "Retrieved acc value of ", self.acceleration
def openSTLFile(self):
if self.printing:
self.logger.logMsg("Cannot open a new file while printing")
return
if self.StlFile is None:
fn = askopenfilename(
filetypes=[("STL files", "*.stl"), ("G Code files", "*.gcode")], initialdir=self.settings.lastdirectory
)
else:
fn = askopenfilename(
filetypes=[("STL files", "*.stl"), ("G Code files", "*.gcode")],
initialdir=self.settings.lastdirectory,
initialfile=os.path.basename(self.StlFile),
)
if fn:
self.settings.lastdirectory = os.path.dirname(os.path.abspath(fn))
self.settings.setModified()
if fn.lower().endswith(".gcode"):
self.StlFile = None
self.loadgcode(fn)
elif fn.lower().endswith(".stl"):
self.StlFile = fn
self.doSlice(fn)
else:
self.logger.logMsg("Invalid file type")
def openGCodeFile(self):
if self.printing:
self.logger.logMsg("Cannot open a new file while printing")
return
fn = askopenfilename(filetypes=[("G Code files", "*.gcode")], initialdir=self.settings.lastdirectory)
if fn:
self.settings.lastdirectory = os.path.dirname(os.path.abspath(fn))
self.settings.setModified()
if fn.lower().endswith(".gcode"):
self.StlFile = None
self.loadgcode(fn)
else:
self.logger.logMsg("Invalid file type")
else:
self.toolbar.clearCancelMode()
def loadgcode(self, fn):
self.GCodeFile = fn
self.gcodeloadSuccess = True
self.toolbar.setLoading(True)
self.loader = threading.Thread(target=self.loadgcodeThread)
self.loader.daemon = True
self.loader.start()
def loadgcodeFinished(self, *arg):
self.toolbar.setLoading(False)
if self.gcodeloadSuccess:
self.showMetrics()
def loadgcodeThread(self):
try:
self.gcode = []
l = list(open(self.GCodeFile))
for s in l:
self.gcode.append(s.rstrip())
self.logger.logMsg("read %d lines from %s" % (len(self.gcode), os.path.basename(self.GCodeFile)))
except:
self.logger.logMsg("Problem reading gcode from %s" % self.GCodeFile)
self.gcode = []
self.GCodeFile = None
if len(self.gcode) != 0:
self.logger.logMsg("Processing...")
self.gc.loadFile(self.GCodeFile, self.gcode)
self.printStartLine = self.gc.getPrintStartLine()
self.gcodeInfo = GCode(self.gcode)
self.logger.logMsg("Measuring...")
self.gcodeInfo.measure(self.acceleration)
self.estEta = self.gcodeInfo.totalduration
self.timeLayers = self.gcodeInfo.layerdurations
else:
self.gcodeloadSuccess = False
self.event_generate(MWM_GCODELOADCOMPLETE)
def replace(self, s, slicer):
if slicer == SLIC3R:
d = os.path.expandvars(os.path.expanduser(self.settings.s3profiledir))
profile = os.path.join(d, self.slic3r.getProfile() + ".ini")
else:
profile = self.skeinforge.getProfile()
d = {}
d["%starttime%"] = time.strftime("%H:%M:%S", time.localtime(self.startTime))
d["%endtime%"] = time.strftime("%H:%M:%S", time.localtime(self.endTime))
d["%elapsed%"] = formatElapsed(self.elapsedTime)
d["%profile%"] = profile
d["%slicer%"] = self.settings.slicer
if self.StlFile is not None:
d["%stlbase%"] = os.path.basename(self.StlFile)
d["%stl%"] = self.StlFile
else:
d["%stlbase%"] = ""
d["%stl%"] = ""
if self.GCodeFile is not None:
d["%gcodebase%"] = os.path.basename(self.GCodeFile)
d["%gcode%"] = self.GCodeFile
else:
d["%gcodebase%"] = ""
d["%gcode%"] = ""
for t in d.keys():
if d[t] is not None:
s = s.replace(t, d[t])
s = s.replace('""', "")
return s
def showMetrics(self):
if len(self.gcode) != 0:
self.paused = False
self.toolbar.initializeToolbar()
self.toolbar.checkAllowPrint()
self.allowGEdit()
self.logger.logMsg(
"Width: %f mm (%f -> %f)" % (self.gcodeInfo.width, self.gcodeInfo.xmin, self.gcodeInfo.xmax)
)
self.logger.logMsg(
"Depth: %f mm (%f -> %f)" % (self.gcodeInfo.depth, self.gcodeInfo.ymin, self.gcodeInfo.ymax)
)
self.logger.logMsg(
"Height: is %f mm (%f -> %f)" % (self.gcodeInfo.height, self.gcodeInfo.zmin, self.gcodeInfo.zmax)
)
self.logger.logMsg("Total extrusion length: %f mm" % self.gcodeInfo.filament_length())
self.logger.logMsg("Estimated print time: %s" % formatElapsed(self.estEta))
def calcEta(self, line, timeThusFar):
foundLayer = False
for i in range(len(self.timeLayers)):
if self.timeLayers[i][0] > line:
foundLayer = True
break
if not foundLayer:
return 0
currentLayer = i - 1
if currentLayer < 0:
return 0
totalInLayer = self.timeLayers[i][0] - self.timeLayers[currentLayer][0]
printedInLayer = line - self.timeLayers[currentLayer][0]
pct = printedInLayer / float(totalInLayer)
thisLayerTime = (self.timeLayers[currentLayer][1]) * pct
ratio = (self.timeLayers[currentLayer][2] - self.timeLayers[currentLayer][1] + thisLayerTime) / float(
timeThusFar
)
ne = self.estEta / float(ratio)
return ne - timeThusFar
def doTimingReport(self):
if not self.printing:
self.logger.logMsg("Only available while printing")
return
self.timingReport = TimingReport(self, self.printer, self.settings, self.logger)
def closeTimingReport(self):
if self.timingReport is not None:
self.timingReport.cleanup()
self.timingReport.destroy()
self.timingReport = None
def doMeasurementsReport(self):
if not self.gcodeInfo:
self.logger.logMsg("Only available when GCode loaded")
return
self.measurementsReport = MeasurementsReport(self, self.printer, self.settings, self.logger)
def closeMeasurementsReport(self):
if self.measurementsReport is not None:
self.measurementsReport.destroy()
self.measurementsReport = None
def doFilamentReport(self):
if not self.gcodeInfo:
self.logger.logMsg("Only available when GCode loaded")
return
if len(self.gcodeInfo.filLayers) == 0:
self.logger.logMsg("No filament usage in this gcode")
return
self.filamentReport = FilamentReport(self, self.printer, self.settings, self.logger)
def closeFilamentReport(self):
if self.filamentReport is not None:
self.filamentReport.destroy()
self.filamentReport = None
def closeAllReports(self):
self.closeTimingReport()
self.closeFilamentReport()
self.closeMeasurementsReport()
def doPlater(self):
s = self.replace(self.settings.platercmd, self.settings.slicer)
args = shlex.split(os.path.expandvars(os.path.expanduser(s)))
subprocess.Popen(args, close_fds=True)
def doGCodeView(self):
s = self.replace(self.settings.gcodeviewcmd, self.settings.slicer)
args = shlex.split(os.path.expandvars(os.path.expanduser(s)))
subprocess.Popen(args, close_fds=True)
def doSTLView(self):
s = self.replace(self.settings.stlviewcmd, self.settings.slicer)
self.logger.logMsg(s)
args = shlex.split(os.path.expandvars(os.path.expanduser(s)))
subprocess.Popen(args, close_fds=True)
def doOpenSCAD(self):
s = self.replace(self.settings.openscadcmd, self.settings.slicer)
args = shlex.split(os.path.expandvars(os.path.expanduser(s)))
subprocess.Popen(args, close_fds=True)
def doSlice(self, fn):
self.paused = False
self.toolbar.initializeToolbar()
self.slicerfn = fn
self.slicing = True
self.slicerCancel = False
self.toolbar.setCancelMode()
if self.settings.slicer == SLIC3R:
self.GCodeFile = fn.replace(".stl", ".gcode")
cmd = self.replace(os.path.expandvars(os.path.expanduser(self.settings.s3cmd)), SLIC3R)
else:
self.GCodeFile = fn.replace(".stl", "_export.gcode")
cmd = self.replace(os.path.expandvars(os.path.expanduser(self.settings.sfcmd)), SKEINFORGE)
self.slicer = threading.Thread(target=self.slicerThread, args=(cmd,))
self.slicer.daemon = True
self.slicer.start()
def slicerThread(self, cmd):
args = shlex.split(cmd)
p = subprocess.Popen(args, stderr=subprocess.STDOUT, stdout=subprocess.PIPE)
obuf = ""
while not self.slicerCancel:
o = p.stdout.read(1)
if o == "":
break
if o == "\r" or o == "\n":
self.logger.logMsg(obuf)
obuf = ""
elif ord(o) < 32:
pass
else:
obuf += o
if self.slicerCancel:
p.kill()
p.wait()
self.event_generate(MWM_SLICERCOMPLETE)
def sliceComplete(self, *arg):
self.slicing = False
self.toolbar.clearCancelMode()
if self.slicerCancel:
self.slicerCancel = False
self.logger.logMsg("Slicing was cancelled")
return
self.logger.logMsg("Slicing has completed successfully")
if os.path.exists(self.GCodeFile):
self.loadgcode(self.GCodeFile)
else:
self.logger.logMsg("Unable to find slicer output file: %s" % self.GCodeFile)
def allowGEdit(self):
self.editmenu.entryconfig(self.editmenu.index(GCODE_MENU_TEXT), state=NORMAL)
def allowSliceMenu(self, flag=True):
s = NORMAL
if not flag:
s = DISABLED
self.filemenu.entryconfig(self.slicemenuindex, state=s)
def allowLoadGCodeMenu(self, flag=True):
s = NORMAL
if not flag:
s = DISABLED
self.filemenu.entryconfig(self.loadgcodemenuindex, state=s)
def doGEdit(self):
GEditor(self, self.gcode, None)
def geditMeasureComplete(self, *arg):
self.showMetrics()
def gEditSave(self, newgcode, fn, editwindow):
if fn == None:
self.gcode = newgcode
self.meas = threading.Thread(target=self.geditMeasureThread)
self.meas.daemon = True
self.meas.start()
return False
else:
try:
f = open(fn, "w")
for l in newgcode:
f.write(l + "\n")
f.close()
self.logger.logMsg("Alterations %s successfully saved" % fn)
return True
except:
self.logger.logMsg("Unable to open %s for output" % fn)
return False
def geditMeasureThread(self):
self.logger.logMsg("Processing...")
self.gcodeInfo = GCode(self.gcode)
self.logger.logMsg("Measuring...")
self.gcodeInfo.measure(self.acceleration)
self.estEta = self.gcodeInfo.totalduration
self.timeLayers = self.gcodeInfo.layerdurations
self.event_generate(MWM_GEDITMEASURECOMPLETE)
def doSD(self):
if not self.sd.isActive():
self.sd.start()
def setToolbarSDPrint(self):
self.toolbar.setSDPrint()
def startUpload(self):
self.sduploading = True
self.toolbar.doPrint()
def printerAvailable(self, silent=False, cmd="xx"):
if not self.connected:
if not silent:
self.logger.logMsg("Unable to comply - printer not on-line")
return False
if (self.printing or self.sdprinting) and cmd.upper() not in allow_while_printing:
if not silent:
self.logger.logMsg("Unable to comply - currently printing")
return False
return True
def printerConnected(self, flag):
self.sendgcode.activate(flag)
self.connected = flag
if flag:
self.firmware.start(True)
def updateScreen(self):
if self.printing:
self.gc.updatePrintProgress(self.printer.queueindex)
def errorcb(self, s):
self.logger.logMsg(s.rstrip())
def sendcb(self, s):
# self.logger.logMsg("Sent: %s" % s)
pass
def recvcb(self, s):
if self.readingFirmware:
if "M92" in s:
X = self.parseG(s, "X")
Y = self.parseG(s, "Y")
Z = self.parseG(s, "Z")
E = self.parseG(s, "E")
self.firmware.m92(X, Y, Z, E)
return
elif "M201" in s:
X = self.parseG(s, "X")
Y = self.parseG(s, "Y")
Z = self.parseG(s, "Z")
E = self.parseG(s, "E")
self.firmware.m201(X, Y, Z, E)
return
elif "M203" in s:
X = self.parseG(s, "X")
Y = self.parseG(s, "Y")
Z = self.parseG(s, "Z")
E = self.parseG(s, "E")
self.firmware.m203(X, Y, Z, E)
return
elif "M204" in s:
S = self.parseG(s, "S")
T = self.parseG(s, "T")
self.firmware.m204(S, T)
return
elif "M205" in s:
S = self.parseG(s, "S")
T = self.parseG(s, "T")
B = self.parseG(s, "B")
X = self.parseG(s, "X")
Z = self.parseG(s, "Z")
E = self.parseG(s, "E")
self.firmware.m205(S, T, B, X, Z, E)
return
elif "M206" in s:
X = self.parseG(s, "X")
Y = self.parseG(s, "Y")
Z = self.parseG(s, "Z")
self.firmware.m206(X, Y, Z)
return
elif "M301" in s:
P = self.parseG(s, "P")
I = self.parseG(s, "I")
D = self.parseG(s, "D")
self.firmware.m301(P, I, D)
return
elif (
("Steps per unit" in s)
or ("Acceleration:" in s)
or ("Maximum Acceleration" in s)
or ("Maximum feedrates" in s)
or ("Advanced variables" in s)
or ("Home offset" in s)
or ("PID settings" in s)
or ("Stored settings retreived" in s)
):
return
if self.sdchecking:
if "SD card ok" in s:
self.sdchecking = False
self.sdpresent = True
self.sd.sdCheckComplete(True)
return
elif "SD init fail" in s:
self.sdchecking = False
self.sdpresent = False
self.sd.sdCheckComplete(False)
return
if self.sdlisting:
if "Begin file list" in s:
self.insidelisting = True
self.sdfiles = []
return
elif "End file list" in s:
self.sdlisting = False
self.insidelisting = False
self.sd.sdListComplete(self.sdfiles)
return
else:
if self.insidelisting:
self.sdfiles.append(s.strip())
return
if "SD printing byte" in s:
m = self.sdre.search(s)
t = m.groups()
if len(t) != 2:
return
self.sdbytes = int(t[0])
self.sdmaxbytes = int(t[1])
return
elif "Done printing file" in s:
if self.sdprinting:
self.sdprinting = False
self.toolbar.clearSDPrint()
m = self.speedrptre.search(s)
if m:
t = m.groups()
if len(t) >= 3:
if self.settings.forcefanspeed:
ns = int(t[0])
if ns != self.FanSpeed:
self.logger.logMsg("Asserting fan speed of %d" % self.FanSpeed)
self.toolbar.forceFanSpeed(self.FanSpeed)
else:
self.FanSpeed = int(t[0])
self.FeedMultiply = int(t[1])
self.ExtrudeMultiply = int(t[2])
self.toolbar.syncSpeeds()
if self.speedcount > 0:
self.speedcount -= 1
return
m = self.locrptre.search(s)
if m:
t = m.groups()
if len(t) >= 4:
self.location[XAxis] = float(t[0])
self.location[YAxis] = float(t[1])
self.location[ZAxis] = float(t[2])
self.location[EAxis] = float(t[3])
if self.m114count != 0:
self.m114count -= 1
if self.m114count < 0:
self.m114count = 0
return
if s.startswith("ok"):
return
if s.startswith("echo:"):
s = s[5:]
m = self.rpt1re.search(s)
if m:
t = m.groups()
if len(t) >= 1:
self.exttemp = float(t[0])
if len(t) >= 2:
self.bedtemp = float(t[1])
self.temps.updateTempDisplay(self.bedtemp, self.exttemp)
m = self.rpt2re.search(s)
if m:
t = m.groups()
if len(t) >= 1:
self.exttemp = float(t[0])
self.temps.updateTempDisplay(self.bedtemp, self.exttemp)
self.logger.logMsg(s.rstrip())
def parseG(self, s, v):
l = s.split()
for p in l:
if p.startswith(v):
try:
return float(p[1:])
except:
return None
return None
def editSettings(self):
# TO DO
pass
def slic3rSettings(self):
s = self.replace(self.settings.s3config, SLIC3R)
args = shlex.split(os.path.expandvars(os.path.expanduser(s)))
subprocess.Popen(args, close_fds=True)
def skeinforgeSettings(self):
s = self.replace(self.settings.sfconfig, SKEINFORGE)
args = shlex.split(os.path.expandvars(os.path.expanduser(s)))
subprocess.Popen(args, close_fds=True)
def chooseS3Profile(self):
pl = self.slic3r.getProfileOptions()
if len(pl) > 0:
l = ListBoxChoice(
clist=pl.keys(), master=self, title="Choose Slic3r Profile", message="Choose Slic3r profile"
)
pn = l.returnValue()
if pn:
self.slic3r.setProfile(pn)
self.setS3ProfileMenuText()
self.toolbar.setSliceText()
else:
self.logger.logMsg("Unable to retrieve available slic3r profiles")
def chooseSFProfile(self):
pl = self.skeinforge.getProfileOptions()
if len(pl) > 0:
l = ListBoxChoice(
clist=pl.keys(), master=self, title="Choose Skeinforge Profile", message="Choose Skeinforge profile"
)
pn = l.returnValue()
if pn:
self.skeinforge.setProfile(pn)
self.setSFProfileMenuText()
self.toolbar.setSliceText()
else:
self.logger.logMsg("Unable to retrieve available skeinforge profiles")
def setS3ProfileMenuText(self):
self.slicermenu.entryconfig(self.S3profileindex, label="Choose Profile (%s)" % self.slic3r.getProfile())
def setSFProfileMenuText(self):
self.slicermenu.entryconfig(self.SFprofileindex, label="Choose Profile (%s)" % self.skeinforge.getProfile())
def quitApp(self):
self.cleanUp()
self.master.quit()
def cleanUp(self):
if self.connected:
self.printer.disconnect()
if self.slicing:
self.slicerCancel = True
self.httpServer.close()
self.statline.cleanUp()
self.settings.cleanUp()
def doEditMacro(self):
idir = os.path.join(self.settings.cmdFolder, "macros")
try:
l = os.listdir(idir)
except:
self.logger.logMsg("Unable to get listing from macros directory: " + idir)
return
r = []
for f in sorted(l):
if f.endswith(".macro"):
r.append(f)
l = ListBoxChoice(master=self, title="Macro Files", message="Choose a macro to edit", clist=r)
fn = l.returnValue()
if fn:
try:
fn = os.path.join(idir, fn)
with open(fn) as f:
text = f.read()
self.macroEdit = MacroEdit(self, self.printer, self.settings, self.logger, fn, text)
except:
self.logger.logMsg("Unable to open %s for input" % fn)
def doEditAlterations(self):
idir = os.path.expandvars(os.path.expanduser(self.settings.sfalterationsdir))
try:
l = os.listdir(idir)
except:
self.logger.logMsg("Unable to get listing from alterations directory: " + idir)
return
r = []
for f in sorted(l):
if f.endswith(".gcode"):
r.append(f)
l = ListBoxChoice(master=self, title="Alteration Files", message="Choose an alteration file to edit", clist=r)
fn = l.returnValue()
if fn:
try:
fn = os.path.join(idir, fn)
text = [line.strip() for line in open(fn)]
GEditor(self, text, fn)
except:
self.logger.logMsg("Unable to open %s for input" % fn)
def doNewMacro(self):
self.macroEdit = MacroEdit(self, self.printer, self.settings, self.logger, None, "")
def doDelMacro(self):
idir = os.path.join(self.settings.cmdFolder, "macros")
try:
l = os.listdir(idir)
except:
self.logger.logMsg("Unable to get listing from macros directory: " + idir)
return
r = []
for f in sorted(l):
if f.endswith(".macro"):
r.append(f)
l = ListBoxChoice(master=self, title="Macro Files", message="Choose a macro to delete", clist=r)
fn = l.returnValue()
if fn:
if askyesno("Delete?", "Are you sure you want to delete this macro?", parent=self):
try:
os.unlink(os.path.join(idir, fn))
self.adjustMacroMenu(fn, True)
if self.settings.getMacroList().delMacroByName(fn):
self.settings.setModified()
if self.settings.showmacrobuttons:
self.macroButtons.close()
self.macroButtons = MacroButtons(self, self.printer, self.settings, self.logger)
except:
self.logger.logMsg("Unable to delete %s" % fn)
def macroEditSave(self, fn, text, btn, editwindow):
if fn == None:
idir = os.path.join(self.settings.cmdFolder, "macros")
try:
l = os.listdir(idir)
except:
self.logger.logMsg("Unable to get listing from macros directory: " + idir)
return
r = []
for f in sorted(l):
if f.endswith(".macro"):
r.append(f)
l = ListBoxChoice(
master=self,
title="Macro Files",
message="Choose a macro to overwrite",
clist=r,
newmessage="or enter new file name:",
)
fn = l.returnValue()
if fn:
fn = os.path.join(idir, fn)
if not fn.endswith(".macro"):
fn += ".macro"
if fn is None:
return False
try:
f = open(fn, "w")
f.write(text)
f.close()
self.settings.setModified()
if btn != None:
if not self.settings.getMacroList().addMacro(btn[0], btn[1], os.path.basename(fn), btn[2]):
self.settings.getMacroList().setMacroByName(btn[0], btn[1], os.path.basename(fn), btn[2])
self.settings.setModified()
if self.settings.showmacrobuttons:
self.macroButtons.close()
self.macroButtons = MacroButtons(self, self.printer, self.settings, self.logger)
self.adjustMacroMenu(fn)
self.logger.logMsg("Macro %s successfully saved" % fn)
return True
except:
self.logger.logMsg("Unable to open %s for output" % fn)
return False
def macroEditExit(self, fn):
pass
def loadMacros(self):
p = os.path.join(".", "macros")
if not os.path.exists(p):
os.makedirs(p)
self.macroList = {}
for filename in sorted(os.listdir(p)):
if filename.endswith(".macro"):
n = os.path.splitext(filename)[0]
self.macroList[n] = 1
self.runmacromenu.add_command(label=n, command=lambda m=n: self.doMacro(m))
def adjustMacroMenu(self, fn, delete=False):
mn = os.path.splitext(os.path.basename(fn))[0]
if not delete:
if mn in self.macroList:
# nothing to be done here
pass
else:
self.macroList[mn] = 1
self.runmacromenu.add_command(label=mn, command=lambda m=mn: self.doMacro(name=mn))
else:
# delete the menu entry
if mn in self.macroList:
self.runmacromenu.delete(self.runmacromenu.index(mn))
del self.macroList[mn]
else:
# huh??
pass
def doMacro(self, name=None, fname=None, silent=False):
if name:
if not silent:
self.logger.logMsg("Invoking macro: %s" % name)
n = os.path.join(self.settings.cmdFolder, "macros", name + ".macro")
elif fname:
if not silent:
self.logger.logMsg("Invoking macro file: %s" % fname)
n = os.path.join(self.settings.cmdFolder, "macros", fname)
else:
self.logger.logMsg("Error - must provide a macro name or filename")
return
try:
l = list(open(n))
for s in l:
sl = s.lower()
if sl.startswith("@log "):
self.logger.logMsg(self.replace(s[5:].strip(), self.settings.slicer))
elif sl.startswith("@sh "):
s = self.replace(sl[4:], self.settings.slicer)
args = shlex.split(os.path.expandvars(os.path.expanduser(s)))
subprocess.Popen(args, close_fds=True)
else:
verb = s.split()[0]
if self.printerAvailable(cmd=verb):
self.printer.send_now(s)
else:
self.logger.logMsg("Printer not available for %s command" % verb)
if not silent:
self.logger.logMsg("End of macro")
except:
self.logger.logMsg("Error attempting to invoke macro file %s" % n)
def FirmwareSettings(self):
if self.connected:
if not self.firmware.isActive():
self.firmware.start()
else:
self.logger.logMsg("Unable to comply - printer not on-line")
def doDataLogReport(self):
for d in DLLIST:
self.logger.logMsg("%s Usage: %s" % (DLNAMES[d], self.dataLoggers[d].getToNowStr()))
def doDataLogReset(self):
DataLogReset(self)
class Facade(Frame):
"""This is a Frame that contains group info, group order, apex and prime
graph.
"""
def __init__(self, parent, group, show_graph=True, graph_class=None, **kw):
"""
Parameters:
show_graph: whether to create and show graph instantly or provide a button to do that lately
graph_factory: callable accepting one argument - the Group instance and returning Graph instance. Note that
__str__ method of the callable is used in the UI.
"""
Frame.__init__(self, parent, **kw)
self._group = group
# self._show_apex = True
self._show_graph = show_graph
self._graph_class = graph_class
self._init_variables()
self._init_menu()
self._init_components()
@property
def group(self):
return self._group
@property
def apex_list_container(self):
return self._apex_container
@property
def graph_canvas(self):
return self._graph_canvas
def _show_graph_canvas(self):
self._show_graph_button.forget()
# TODO: add different layouts and other options
graph_class = self._graph_class
self.graph = graph_class(self._group)
self._graph_canvas = GraphCanvas(self._right_pane,
SpringLayout(self.graph),
caption=str(graph_class))
self._graph_canvas.pack(expand=True, fill='both')
self._graph_canvas.vertex_label_mode = self.getvar(
name=self.winfo_name() + ".vertexlabelposition")
self._iterations_plugin = IterationsPlugin()
self._iterations_plugin.apply(self._graph_canvas)
self.update_layout()
def _init_components(self):
self._panes = PanedWindow(self,
orient='horizontal',
sashrelief='raised')
self._panes.pack(expand=True, fill='both')
self._left_pane = Frame(self._panes, padx=2, pady=2)
self._right_pane = Frame(self._panes)
self._panes.add(self._left_pane, width=250)
self._panes.add(self._right_pane)
# group name
group_name_pane = LabelFrame(self._left_pane,
text="Group",
padx=10,
pady=5)
group_name_pane.pack(fill='x')
self._group_name = GroupNameLabel(group_name_pane, self._group)
self._group_name.pack(expand=True, fill='both')
# group order
group_order_pane = LabelFrame(self._left_pane,
text="Order",
padx=10,
pady=5)
group_order_pane.pack(fill='x')
self._group_order = IntegerContainer(group_order_pane,
integer=self._group.order())
self._group_order.pack(expand=True, fill='both')
# apex
self._apex_pane = LabelFrame(self._left_pane,
text="Apex",
padx=10,
pady=5)
self._apex_pane.pack(expand=True, fill='both')
self._apex_container = ApexListContainer(self._apex_pane,
apex=self._group.apex())
self._apex_container.pack(expand=True, fill='both')
# graph controls
cocliques_frame = LabelFrame(self._left_pane,
text="Cocliques",
padx=10,
pady=5)
cocliques_frame.pack(fill='x')
self._cocliques_button = Button(cocliques_frame,
text="Calculate",
command=self._show_cocliques)
self._cocliques_button.pack(anchor='nw')
self._cocliques_container = ListContainer(cocliques_frame)
self._cocliques_list = Listbox(self._cocliques_container)
self._cocliques_container.set_listbox(self._cocliques_list)
# Button(graph_controls, text='Group equivalent vertices').pack(anchor='nw')
# this is a button that show up instead of graph canvas if we uncheck 'Show graph' checkbox.
self._show_graph_button = Button(self._right_pane,
text='Show graph',
command=self._show_graph_canvas)
self._graph_canvas = None
if self._show_graph:
self._show_graph_canvas()
else:
self._show_graph_button.pack()
def _init_variables(self):
def set_default_var(self, name):
"""Sets widget-specific var with same value as root.
"""
default_var = self.getvar(name)
local_var_name = self.winfo_name() + "." + name
self.setvar(local_var_name, default_var)
return local_var_name
local_name = set_default_var(self, "vertexlabelposition")
tools.trace_variable(self, local_name, "w",
self._change_vertex_label_position)
def _change_vertex_label_position(self, name, *arg):
# override default value
self.setvar("vertexlabelposition", self.getvar(name))
if self._graph_canvas is not None:
self._graph_canvas.vertex_label_mode = self.getvar(name)
def _init_menu(self):
"""Init menu bar content.
"""
toplevel = self.winfo_toplevel()
if toplevel['menu']:
self._menu = self.nametowidget(name=toplevel['menu'])
else:
self._menu = Menu(toplevel)
toplevel['menu'] = self._menu
graph_options = Menu(self._menu, tearoff=0)
self._menu.add_cascade(label="Graph", menu=graph_options)
self._menu_index = self._menu.index("end")
vertex_label_position_menu = Menu(graph_options, tearoff=0)
graph_options.add_cascade(label="Label position",
menu=vertex_label_position_menu)
menu_var = self.winfo_name() + ".vertexlabelposition"
vertex_label_position_menu.add_radiobutton(variable=menu_var,
label="Auto",
value="auto")
vertex_label_position_menu.add_radiobutton(variable=menu_var,
label="Center",
value="center")
graph_options.add_command(label="Save graph...",
command=self.call_graph_save_dialog)
self.bind("<Destroy>", self.__destroy_menu)
#noinspection PyUnusedLocal
def __destroy_menu(self, event):
try:
self._menu.delete(self._menu_index)
except TclError:
pass
def _show_cocliques(self):
cocliques = self.graph.max_cocliques()
def select_coclique(*_):
index = next(iter(self._cocliques_list.curselection()), None)
if index is not None:
selected = cocliques[int(index)]
pick_state = self._graph_canvas.picked_vertex_state
pick_state.clear()
for value in selected:
pick_state.pick(self._graph_canvas.get_vertex(value))
self._cocliques_list.insert(
0, *[', '.join(map(str, coclique)) for coclique in cocliques])
self._cocliques_list.bind("<Double-Button-1>", select_coclique)
self._cocliques_button.forget()
self._cocliques_container.pack(expand=True, fill='both')
def call_graph_save_dialog(self):
file_name = tkFileDialog.asksaveasfilename(
defaultextension='.ps',
filetypes=[('PostScript', '.ps')],
parent=self.winfo_toplevel(),
title="Save graph as image")
if file_name:
with codecs.open(file_name, 'w', encoding='utf-8') as f:
f.write(self._graph_canvas.postscript())
def update_layout(self):
try:
self._iterations_plugin.iterate(50)
except AttributeError:
pass
class Facade(Frame):
"""This is a Frame that contains group info, group order, apex and prime
graph.
"""
def __init__(self, parent, group, show_graph=True, graph_class=None, **kw):
"""
Parameters:
show_graph: whether to create and show graph instantly or provide a button to do that lately
graph_factory: callable accepting one argument - the Group instance and returning Graph instance. Note that
__str__ method of the callable is used in the UI.
"""
Frame.__init__(self, parent, **kw)
self._group = group
# self._show_apex = True
self._show_graph = show_graph
self._graph_class = graph_class
self._init_variables()
self._init_menu()
self._init_components()
@property
def group(self):
return self._group
@property
def apex_list_container(self):
return self._apex_container
@property
def graph_canvas(self):
return self._graph_canvas
def _show_graph_canvas(self):
self._show_graph_button.forget()
# TODO: add different layouts and other options
graph_class = self._graph_class
self.graph = graph_class(self._group)
self._graph_canvas = GraphCanvas(self._right_pane, SpringLayout(self.graph), caption=str(graph_class))
self._graph_canvas.pack(expand=True, fill='both')
self._graph_canvas.vertex_label_mode = self.getvar(
name=self.winfo_name() + ".vertexlabelposition")
self._iterations_plugin = IterationsPlugin()
self._iterations_plugin.apply(self._graph_canvas)
self.update_layout()
def _init_components(self):
self._panes = PanedWindow(self, orient='horizontal', sashrelief='raised')
self._panes.pack(expand=True, fill='both')
self._left_pane = Frame(self._panes, padx=2, pady=2)
self._right_pane = Frame(self._panes)
self._panes.add(self._left_pane, width=250)
self._panes.add(self._right_pane)
# group name
group_name_pane = LabelFrame(self._left_pane, text="Group", padx=10, pady=5)
group_name_pane.pack(fill='x')
self._group_name = GroupNameLabel(group_name_pane, self._group)
self._group_name.pack(expand=True, fill='both')
# group order
group_order_pane = LabelFrame(self._left_pane, text="Order", padx=10, pady=5)
group_order_pane.pack(fill='x')
self._group_order = IntegerContainer(group_order_pane, integer=self._group.order())
self._group_order.pack(expand=True, fill='both')
# apex
self._apex_pane = LabelFrame(self._left_pane, text="Apex", padx=10, pady=5)
self._apex_pane.pack(expand=True, fill='both')
self._apex_container = ApexListContainer(self._apex_pane, apex=self._group.apex())
self._apex_container.pack(expand=True, fill='both')
# graph controls
cocliques_frame = LabelFrame(self._left_pane, text="Cocliques", padx=10, pady=5)
cocliques_frame.pack(fill='x')
self._cocliques_button = Button(cocliques_frame, text="Calculate", command=self._show_cocliques)
self._cocliques_button.pack(anchor='nw')
self._cocliques_container = ListContainer(cocliques_frame)
self._cocliques_list = Listbox(self._cocliques_container)
self._cocliques_container.set_listbox(self._cocliques_list)
# Button(graph_controls, text='Group equivalent vertices').pack(anchor='nw')
# this is a button that show up instead of graph canvas if we uncheck 'Show graph' checkbox.
self._show_graph_button = Button(self._right_pane, text='Show graph',
command=self._show_graph_canvas)
self._graph_canvas = None
if self._show_graph:
self._show_graph_canvas()
else:
self._show_graph_button.pack()
def _init_variables(self):
def set_default_var(self, name):
"""Sets widget-specific var with same value as root.
"""
default_var = self.getvar(name)
local_var_name = self.winfo_name() + "." + name
self.setvar(local_var_name, default_var)
return local_var_name
local_name = set_default_var(self, "vertexlabelposition")
tools.trace_variable(self, local_name, "w",
self._change_vertex_label_position)
def _change_vertex_label_position(self, name, *arg):
# override default value
self.setvar("vertexlabelposition", self.getvar(name))
if self._graph_canvas is not None:
self._graph_canvas.vertex_label_mode = self.getvar(name)
def _init_menu(self):
"""Init menu bar content.
"""
toplevel = self.winfo_toplevel()
if toplevel['menu']:
self._menu = self.nametowidget(name=toplevel['menu'])
else:
self._menu = Menu(toplevel)
toplevel['menu'] = self._menu
graph_options = Menu(self._menu, tearoff=0)
self._menu.add_cascade(label="Graph", menu=graph_options)
self._menu_index = self._menu.index("end")
vertex_label_position_menu = Menu(graph_options, tearoff=0)
graph_options.add_cascade(label="Label position", menu=vertex_label_position_menu)
menu_var = self.winfo_name() + ".vertexlabelposition"
vertex_label_position_menu.add_radiobutton(variable=menu_var, label="Auto", value="auto")
vertex_label_position_menu.add_radiobutton(variable=menu_var, label="Center", value="center")
graph_options.add_command(label="Save graph...", command=self.call_graph_save_dialog)
self.bind("<Destroy>", self.__destroy_menu)
#noinspection PyUnusedLocal
def __destroy_menu(self, event):
try:
self._menu.delete(self._menu_index)
except TclError:
pass
def _show_cocliques(self):
cocliques = self.graph.max_cocliques()
def select_coclique(*_):
index = next(iter(self._cocliques_list.curselection()), None)
if index is not None:
selected = cocliques[int(index)]
pick_state = self._graph_canvas.picked_vertex_state
pick_state.clear()
for value in selected:
pick_state.pick(self._graph_canvas.get_vertex(value))
self._cocliques_list.insert(0, *[', '.join(map(str, coclique)) for coclique in cocliques])
self._cocliques_list.bind("<Double-Button-1>", select_coclique)
self._cocliques_button.forget()
self._cocliques_container.pack(expand=True, fill='both')
def call_graph_save_dialog(self):
file_name = tkFileDialog.asksaveasfilename(defaultextension='.ps',
filetypes=[('PostScript', '.ps')], parent=self.winfo_toplevel(),
title="Save graph as image")
if file_name:
with codecs.open(file_name, 'w', encoding='utf-8') as f:
f.write(self._graph_canvas.postscript())
def update_layout(self):
try:
self._iterations_plugin.iterate(50)
except AttributeError:
pass
class Facade(Frame):
"""This is a Frame that contains group info, group order, apex and prime
graph.
"""
def __init__(self, parent, group, show_graph=True, **kw):
Frame.__init__(self, parent, **kw)
self._group = group
# self._show_apex = True
self._show_graph = show_graph
self._init_variables()
self._init_menu()
self._init_components()
@property
def group(self):
return self._group
@property
def apex_list_container(self):
return self._apex_container
@property
def graph_canvas(self):
return self._graph_canvas
def _show_graph_canvas(self):
self._show_graph_button.forget()
# TODO: add different layouts and other options
graph = self._group.prime_graph()
self._graph_canvas = GraphCanvas(self._right_pane, SpringLayout(graph))
self._graph_canvas.pack(expand=True, fill='both')
self._graph_canvas.vertex_label_mode = self.getvar(
name=self.winfo_name() + ".vertexlabelposition")
self._iterations_plugin = IterationsPlugin()
self._iterations_plugin.apply(self._graph_canvas)
self.update_layout()
def _init_components(self):
self._panes = PanedWindow(self, orient='horizontal',
sashrelief='raised')
self._panes.pack(expand=True, fill='both')
self._left_pane = Frame(self._panes, padx=2, pady=2)
self._right_pane = Frame(self._panes)
self._panes.add(self._left_pane, width=500)
self._panes.add(self._right_pane)
# group name
group_name_pane = LabelFrame(self._left_pane, text="Group")
group_name_pane.pack(fill='x')
self._group_name = GroupNameLabel(group_name_pane, self._group)
self._group_name.pack(expand=True, fill='both')
# group order
group_order_pane = LabelFrame(self._left_pane, text="Order")
group_order_pane.pack(fill='x')
self._group_order = IntegerContainer(group_order_pane,
integer=self._group.order())
self._group_order.pack(expand=True, fill='both')
# apex
self._apex_pane = LabelFrame(self._left_pane, text="Apex")
self._apex_pane.pack(expand=True, fill='both')
self._apex_container = ApexListContainer(self._apex_pane,
apex=self._group.apex())
self._apex_container.pack(expand=True, fill='both')
self._show_graph_button = Button(self._right_pane, text='Show graph',
command=self._show_graph_canvas)
self._graph_canvas = None
if self._show_graph:
self._show_graph_canvas()
else:
self._show_graph_button.pack()
def _init_variables(self):
def set_default_var(self, name):
"""Sets widget-specific var with same value as root.
"""
default_var = self.getvar(name)
local_var_name = self.winfo_name() + "." + name
self.setvar(local_var_name, default_var)
return local_var_name
local_name = set_default_var(self, "vertexlabelposition")
tools.trace_variable(self, local_name, "w",
self._change_vertex_label_position)
def _change_vertex_label_position(self, name, *arg):
# override default value
self.setvar("vertexlabelposition", self.getvar(name))
if self._graph_canvas is not None:
self._graph_canvas.vertex_label_mode = self.getvar(name)
def _init_menu(self):
toplevel = self.winfo_toplevel()
if toplevel['menu']:
self._menu = self.nametowidget(name=toplevel['menu'])
else:
self._menu = Menu(toplevel)
toplevel['menu'] = self._menu
graph_options = Menu(self._menu, tearoff=0)
self._menu.add_cascade(label="Graph", menu=graph_options)
self._menu_index = self._menu.index("end")
vertex_label_position = Menu(graph_options, tearoff=0)
graph_options.add_cascade(label="Label position",
menu=vertex_label_position)
vertexlabelposition_var = self.winfo_name() + ".vertexlabelposition"
vertex_label_position.add_radiobutton(label="Auto", value="auto",
variable=vertexlabelposition_var)
vertex_label_position.add_radiobutton(label="Center", value="center",
variable=vertexlabelposition_var)
graph_options.add_command(label="Save graph...",
command=self.call_graph_save_dialog)
self.bind("<Destroy>", self.__destroy_menu)
#noinspection PyUnusedLocal
def __destroy_menu(self, event):
try:
self._menu.delete(self._menu_index)
except TclError:
pass
def call_graph_save_dialog(self):
file_name = tkFileDialog.asksaveasfilename(defaultextension='.ps',
filetypes=[('PostScript', '.ps')], parent=self.winfo_toplevel(),
title="Save graph as image")
if file_name:
with codecs.open(file_name, 'w', encoding='utf-8') as file:
file.write(self._graph_canvas.postscript())
def update_layout(self):
try:
self._iterations_plugin.iterate(50)
except AttributeError:
pass
