class CoordsCanvas(object):
def __init__(self, parent, **kwargs):
self._canvas = Canvas(parent, **kwargs)
self._canvas.pack(fill=BOTH, expand=YES)
self._canvas.bind("<Double-Button-1>", self.on_double_click)
self._canvas.bind("<Shift-Button-1>", self.on_shift_button_click)
self._canvas.bind("<Control-Button-1>", self.on_ctrl_button_click)
self._canvas.bind("<Alt-Button-1>", self.on_alt_button_click)
self._canvas.bind("<Option-Button-1>", self.on_alt_button_click)
self._canvas.bind("<Double-Button-1>", self.on_double_click)
self._canvas.bind("<ButtonPress-1>", self.on_button_press)
self._canvas.bind("<ButtonRelease-1>", self.on_button_release)
self._event_receiver = None
self._dragger = Dragger()
def on_double_click(self, _):
if hasattr(self._event_receiver, 'zoom_in'):
self._event_receiver.zoom_in()
def on_shift_button_click(self, _):
if hasattr(self._event_receiver, 'zoom_out'):
self._event_receiver.zoom_out()
def on_ctrl_button_click(self, event):
if hasattr(self._event_receiver, 'add'):
self._event_receiver.add(event.x, event.y)
def on_alt_button_click(self, event):
if hasattr(self._event_receiver, 'remove'):
self._event_receiver.remove(event.x, event.y)
def on_button_press(self, event):
self._dragger.start(event.x, event.y)
def on_button_release(self, event):
if hasattr(self._event_receiver, 'move'):
self._dragger.drag_to(
event.x, event.y,
self._event_receiver.move)
def create_circle(self, x, y, r, **kwargs):
return self._canvas.create_oval(x-r, y-r, x+r, y+r, **kwargs)
def create_text(self, x, y, **kwargs):
return self._canvas.create_text(x, y, **kwargs)
def get_width(self):
return self._canvas.winfo_reqwidth()
def get_height(self):
return self._canvas.winfo_reqheight()
def set_event_receiver(self, receiver):
self._event_receiver = receiver
def destroy(self, item):
self._canvas.delete(item)
def destroy_all(self):
self._canvas.delete("all")
class CoordsCanvas(object):
def __init__(self, parent, **kwargs):
self._canvas = Canvas(parent, **kwargs)
self._canvas.pack(fill=BOTH, expand=YES)
self._canvas.bind("<Double-Button-1>", self.on_double_click)
self._canvas.bind("<Shift-Button-1>", self.on_shift_button_click)
self._canvas.bind("<Control-Button-1>", self.on_ctrl_button_click)
self._canvas.bind("<Alt-Button-1>", self.on_alt_button_click)
self._canvas.bind("<Option-Button-1>", self.on_alt_button_click)
self._canvas.bind("<Double-Button-1>", self.on_double_click)
self._canvas.bind("<ButtonPress-1>", self.on_button_press)
self._canvas.bind("<ButtonRelease-1>", self.on_button_release)
self._event_receiver = None
self._dragger = Dragger()
def on_double_click(self, _):
if hasattr(self._event_receiver, 'zoom_in'):
self._event_receiver.zoom_in()
def on_shift_button_click(self, _):
if hasattr(self._event_receiver, 'zoom_out'):
self._event_receiver.zoom_out()
def on_ctrl_button_click(self, event):
if hasattr(self._event_receiver, 'add'):
self._event_receiver.add(event.x, event.y)
def on_alt_button_click(self, event):
if hasattr(self._event_receiver, 'remove'):
self._event_receiver.remove(event.x, event.y)
def on_button_press(self, event):
self._dragger.start(event.x, event.y)
def on_button_release(self, event):
if hasattr(self._event_receiver, 'move'):
self._dragger.drag_to(event.x, event.y, self._event_receiver.move)
def create_circle(self, x, y, r, **kwargs):
return self._canvas.create_oval(x - r, y - r, x + r, y + r, **kwargs)
def create_text(self, x, y, **kwargs):
return self._canvas.create_text(x, y, **kwargs)
def get_width(self):
return self._canvas.winfo_reqwidth()
def get_height(self):
return self._canvas.winfo_reqheight()
def set_event_receiver(self, receiver):
self._event_receiver = receiver
def destroy(self, item):
self._canvas.delete(item)
def destroy_all(self):
self._canvas.delete("all")
class ProgressBar:
def __init__(self, master=None, orientation="horizontal",
min=0, max=100, width=100, height=18,
doLabel=1, appearance="sunken",
fillColor="blue", background="gray",
labelColor="yellow", labelFont="Verdana",
labelText="", labelFormat="%d%%",
value=0, bd=2):
# preserve various values
self.master=master
self.orientation=orientation
self.min=min
self.max=max
self.width=width
self.height=height
self.doLabel=doLabel
self.fillColor=fillColor
self.labelFont= labelFont
self.labelColor=labelColor
self.background=background
self.labelText=labelText
self.labelFormat=labelFormat
self.value=value
self.frame=Frame(master, relief=appearance, bd=bd)
self.canvas=Canvas(self.frame, height=height, width=width, bd=0,
highlightthickness=0, background=background)
self.scale=self.canvas.create_rectangle(0, 0, width, height,
fill=fillColor)
self.label=self.canvas.create_text(self.canvas.winfo_reqwidth() / 2,
height / 2, text=labelText,
anchor="c", fill=labelColor,
font=self.labelFont)
self.update()
self.canvas.pack(side='top', fill='x', expand='no')
def updateProgress(self, newValue, newMax=None):
if newMax:
self.max = newMax
self.value = newValue
self.update()
def update(self):
# Trim the values to be between min and max
value=self.value
if value > self.max:
value = self.max
if value < self.min:
value = self.min
# Adjust the rectangle
if self.orientation == "horizontal":
self.canvas.coords(self.scale, 0, 0,
float(value) / self.max * self.width, self.height)
else:
self.canvas.coords(self.scale, 0,
self.height - (float(value) /
self.max*self.height),
self.width, self.height)
# Now update the colors
self.canvas.itemconfig(self.scale, fill=self.fillColor)
self.canvas.itemconfig(self.label, fill=self.labelColor)
# And update the label
if self.doLabel:
if value:
if value >= 0:
pvalue = int((float(value) / float(self.max)) *
100.0)
else:
pvalue = 0
self.canvas.itemconfig(self.label, text=self.labelFormat
% pvalue)
else:
self.canvas.itemconfig(self.label, text='')
else:
self.canvas.itemconfig(self.label, text=self.labelFormat %
self.labelText)
self.canvas.update_idletasks()
class TkProgessBar(Frame):
"""
TkListboxMulticolumn component which can display multi-sortable listbox
"""
def __init__(self, master, cnf={}, **kw):
"""
Construct a listbox widget with one or many column and label field for header
Valid resource names: background, bd, bg, borderwidth, class, colormap,
fg, font, foreground, height, highlightbackground,
"""
Frame.__init__(self, master)
self._value = kw.get('value', 0.0)
# Create canvas for drawing in
self._canvas = Canvas(
self,
bg=kw.get('bg', 'white'),
width=kw.get('width', 300),
height=kw.get('height', 20),
relief=kw.get('relief', 'sunken'),
border=kw.get('border', 1)
)
self._canvas.pack(fill='both', expand='yes')
# Drawing a rectangle
self._rect = self._canvas.create_rectangle(
0,
0,
0,
self._canvas.winfo_reqheight(),
fill=kw.get('fillcolor', 'blue'),
width=0
)
# Drawing a text area
self._text = self._canvas.create_text(
self._canvas.winfo_reqwidth()/2,
self._canvas.winfo_reqheight()/2,
text='',
fill=kw.get('textcolor', 'gray')
)
self.bind('<Configure>', self._update_coords)
def _update_coords(self, event):
'''Updates the position of the text and rectangle inside the canvas when the size of
the widget gets changed.'''
# looks like we have to call update_idletasks() twice to make sure
# to get the results we expect
self._canvas.update_idletasks()
self._canvas.coords(self._text, self._canvas.winfo_width()/2, self._canvas.winfo_height()/2)
self._canvas.coords(self._rect, 0, 0, self._canvas.winfo_width()*self._value, self._canvas.winfo_height())
self._canvas.update_idletasks()
def get(self, first, last=None):
"""
return percent and text value
"""
return self._value, self._canvas.itemcget(self._text, 'text')
def set(self, value=0.0, text=None):
'''
Set different values.
'''
#make the value failsafe:
if value < 0.0:
value = 0.0
elif value > 1.0:
value = 1.0
self._value = value
if text == None:
#if no text is specified use the default percentage string:
text = str(int(round(100 * value))) + ' %'
self._canvas.coords(self._rect, 0, 0, self._canvas.winfo_width()*value, self._canvas.winfo_height())
self._canvas.itemconfigure(self._text, text=text)
self._canvas.update_idletasks()
class ProgressBar:
def __init__(self,
master=None,
orientation="horizontal",
min=0,
max=100,
width=100,
height=18,
doLabel=1,
appearance="sunken",
fillColor="blue",
background="gray",
labelColor="yellow",
labelFont="Verdana",
labelText="",
labelFormat="%d%%",
value=0,
bd=2):
# preserve various values
self.master = master
self.orientation = orientation
self.min = min
self.max = max
self.width = width
self.height = height
self.doLabel = doLabel
self.fillColor = fillColor
self.labelFont = labelFont
self.labelColor = labelColor
self.background = background
self.labelText = labelText
self.labelFormat = labelFormat
self.value = value
self.frame = Frame(master, relief=appearance, bd=bd)
self.canvas = Canvas(self.frame,
height=height,
width=width,
bd=0,
highlightthickness=0,
background=background)
self.scale = self.canvas.create_rectangle(0,
0,
width,
height,
fill=fillColor)
self.label = self.canvas.create_text(self.canvas.winfo_reqwidth() / 2,
height / 2,
text=labelText,
anchor="c",
fill=labelColor,
font=self.labelFont)
self.update()
self.canvas.pack(side='top', fill='x', expand='no')
def updateProgress(self, newValue, newMax=None):
if newMax:
self.max = newMax
self.value = newValue
self.update()
def update(self):
# Trim the values to be between min and max
value = self.value
if value > self.max:
value = self.max
if value < self.min:
value = self.min
# Adjust the rectangle
if self.orientation == "horizontal":
self.canvas.coords(self.scale, 0, 0,
float(value) / self.max * self.width,
self.height)
else:
self.canvas.coords(
self.scale, 0,
self.height - (float(value) / self.max * self.height),
self.width, self.height)
# Now update the colors
self.canvas.itemconfig(self.scale, fill=self.fillColor)
self.canvas.itemconfig(self.label, fill=self.labelColor)
# And update the label
if self.doLabel:
if value:
if value >= 0:
pvalue = int((float(value) / float(self.max)) * 100.0)
else:
pvalue = 0
self.canvas.itemconfig(self.label,
text=self.labelFormat % pvalue)
else:
self.canvas.itemconfig(self.label, text='')
else:
self.canvas.itemconfig(self.label,
text=self.labelFormat % self.labelText)
self.canvas.update_idletasks()
