class PulldownMenu(Frame):
# if using indentation then should use list as stack only
# in other words only delete or insert at end
# entries entries must have attribute text_attr or if this is
# None then assume that entries entries themselves provide name
def __init__(self,
parent,
callback=None,
entries=None,
text_attr=None,
colors=None,
outline='#602000',
fill='#B05848',
label_color='#501000',
selected_index=-1,
indent='',
extra='',
sticky='w',
do_initial_callback=True,
force_callback=False,
*args,
**kw):
if (entries is None):
entries = []
Frame.__init__(self, parent, sticky=sticky, *args, **kw)
self.text_attr = text_attr
#indentation and extra string for popup information
self.indent = indent
self.extra = extra
self.callback = callback
self.do_initial_callback = do_initial_callback
self.force_callback = force_callback
frame = Frame(self)
#frame = parent
self.frame = frame
self.bg = frame.cget('bg')
self.outline = outline
self.fill = fill
self.label_color = label_color
self.menu = Menu(parent, tearoff=0, borderwidth=1, activeborderwidth=1)
self.menu.images = []
self.label = Label(self, foreground=label_color)
self.first_pass = True
#self.entries = entries
self.entries = []
self.colors = []
self.setup(entries, selected_index, colors=colors)
s = 10
self.canvas = Canvas(self, width=s, height=s, background=self.bg)
self.label.bind("<Button-1>", self.labelPopup)
# below does not work for some reason
#self.bind("<Button-1>", self.labelPopup)
# below does not work any more since can have submenus and
# no way to reach those with below since involves leaving menu
#self.menu.bind("<Leave>", self.popdown)
self.menu.bind("<Leave>", self.leave)
self.menu.bind("<Button-1>", self.buttonPress)
self.poppedUpSubmenu = False
self.canvas.bind("<Button-1>", self.canvasPopup)
self.canvas.bind("<Configure>", self.resizeCallback)
self.label.grid(row=0, column=0, sticky=Tkinter.W)
self.canvas.grid(row=0, column=1, sticky=Tkinter.E, padx=2)
def leave(self, event):
if (not self.poppedUpSubmenu):
x = event.x
y = event.y
x1 = self.menu.winfo_width()
y1 = self.menu.winfo_height()
if (x < 0) or (y < 0) or (x >= x1) or (y >= y1):
self.popdown()
def buttonPress(self, event):
if (event.widget != self.menu):
return
for n in range(len(self.entries) - 1, -1, -1):
if event.y >= self.menu.yposition(n):
break
else:
return
item = self.entries[n]
if (isinstance(item, {}.__class__) and item['kind'] == 'cascade'):
self.poppedUpSubmenu = True
else:
self.poppedUpSubmenu = False
def resizeCallback(self, *event):
w = self.canvas.winfo_width() / 2
h = self.canvas.winfo_height() / 2
self.canvas.delete('all')
self.canvas.create_polygon(1,
1,
w,
2 * h - 1,
2 * w - 1,
1,
fill=self.fill,
outline=self.outline)
def getEntry(self, entry_index, entries=None):
if not entries:
entries = self.entries
if type(entry_index) == types.TupleType:
e = entry_index[0]
if len(entry_index) > 1:
items = entries[e]['submenu']
entry = self.getEntry(entry_index[1:], items)
else:
entry = entries[e]['label']
elif (entry_index >= 0):
entry = entries[entry_index]
else:
entry = None
return entry
def getEntryText(self, entry_index, entries=None):
if not entries:
entries = self.entries
if type(entry_index) in (types.TupleType, types.ListType):
e = entry_index[0]
if len(entry_index) > 1:
items = entries[e]['submenu']
text = self.getEntryText(entry_index[1:], items)
else:
text = entries[e]['label']
elif (entry_index != -1):
#print 'getEntryText', entry_index, entries
entry = entries[entry_index]
if (self.text_attr):
text = getattr(entry, self.text_attr)
else:
text = entry
else:
text = ''
# TBD: for now text returned should not be unicode
text = str(text)
# below did not work for one person (Chinese characters??) but above did
###text = text.encode('utf-8')
return text
def setup(self, entries, selected_index, first_pass=True, colors=None):
#print 'setup', entries, selected_index
if first_pass is not None:
self.first_pass = first_pass
self.clearMenuItems()
if (entries):
e = list(entries)
else:
e = [No_entries_label]
self.entries = e
self.colors = colors or [None] * len(e)
if type(selected_index) in (types.TupleType, types.ListType):
if (not selected_index or selected_index[0] >= len(entries)):
selected_index = -1
else:
if (selected_index >= len(entries)):
selected_index = -1
if (selected_index == -1):
selected_index = 0
self.selected_index = -1 # changed in setSelectedIndex()
self.setMenuItems()
self.setSelectedIndex(selected_index)
def substituteCascadeCallbacks(self, item, selected_index):
if (item['kind'] == 'cascade'):
n = 0
for subitem in item['submenu']:
self.substituteCascadeCallbacks(subitem, selected_index + [n])
n = n + 1
else:
callback = item.get('command')
if (callback):
label = item['label']
item['command'] = lambda: self.cascadeCallback(
callback, label, tuple(selected_index))
def cascadeCallback(self, callback, label, selected_index):
self.selected_index = selected_index
self.setLabel(selected_index)
callback(selected_index, label)
def setMenuItems(self):
self.menu.images = []
for n in range(len(self.entries)):
columnbreak = 0
if n and n % 20 == 0:
columnbreak = 1
item = self.entries[n]
color = None
if n < len(self.colors):
color = self.colors[n]
if isinstance(item, {}.__class__):
if (item['kind'] == 'cascade'):
self.substituteCascadeCallbacks(item, [n])
else:
t = (self.indent * n) + self.extra + str(self.getEntryText(n))
command = lambda n=n: self.setSelectedIndex(n)
if color:
image = self.makeColorTile(color)
item = {
'kind': 'command',
'accelerator': t,
'command': command,
'image': image,
'columnbreak': columnbreak
}
else:
item = {
'kind': 'command',
'label': t,
'command': command,
'columnbreak': columnbreak
}
self.menu.addMenuItem(item)
def clearMenuItems(self):
if self.entries:
self.menu.delete(0, len(self.entries))
# below assumes entry_index is integer not tuple
def insert(self, entry_index, entry, make_selected=False, color=None):
if (self.haveNoEntries()):
if (entry_index != 0):
return
elif ((entry_index < 0) or (entry_index >= len(self.entries))):
return
self.clearMenuItems()
self.checkForNone()
self.entries.insert(entry_index, entry)
self.colors.insert(entry_index, color)
self.setMenuItems()
if (make_selected or (self.selected_index == -1)):
self.setSelectedIndex(entry_index, force_callback=True)
else:
self.setSelectedIndex(self.selected_index)
# below assumes entry is integer not tuple
def append(self, entry, make_selected=False, color=None):
self.clearMenuItems()
self.checkForNone()
self.entries.append(entry)
self.colors.append(color)
self.setMenuItems()
if (make_selected or (self.selected_index == -1)):
self.setSelectedIndex(len(self.entries) - 1, force_callback=True)
else:
self.setSelectedIndex(self.selected_index)
def checkForNone(self):
if (self.haveNoEntries()):
self.entries = []
self.colors = []
self.menu.delete(0)
def haveNoEntries(self):
if (len(self.entries) == 1 and self.entries[0] == No_entries_label):
return True
else:
return False
def baseIndex(self, ind):
if type(ind) == types.TupleType:
ind = ind[0]
return ind
# below assumes entry_index is integer not tuple
def delete(self, entry_index, n=1):
if (self.haveNoEntries()):
return
if ((entry_index < 0) or (entry_index >= len(self.entries))):
return
self.clearMenuItems()
n1 = entry_index
n2 = n1 + n
m = self.baseIndex(self.selected_index)
del self.entries[n1:n2]
del self.colors[n1:n2]
if (not self.entries):
self.entries = [No_entries_label]
self.colors = [None]
self.setMenuItems()
if ((m >= n1) and (m < n2)):
if (n1 == 0):
selected_index = 0
else:
selected_index = n1 - 1
self.setSelectedIndex(selected_index, force_callback=True)
def replace(self, entries, selected_index=-1, colors=None):
self.menu.delete(0, len(self.entries))
self.setup(entries, selected_index, first_pass=False, colors=colors)
def popdown(self, *event):
self.menu.unpost()
def setLabel(self, selected_index):
text = self.getEntryText(selected_index)
if (not text):
text = self.extra # arbitrary
self.label.set(text=text)
def labelPopup(self, event):
self.poppedUpSubmenu = False
s = self.baseIndex(self.selected_index)
x = event.x_root - event.x + 2
y = event.y_root - event.y - \
max(0, s) * (self.label.winfo_height() + 1)
self.menu.post(x, y)
def canvasPopup(self, event):
s = self.baseIndex(self.selected_index)
x = event.x_root - event.x - self.label.winfo_width() + 2
y = event.y_root - event.y - \
max(0, s) * (self.label.winfo_height() + 1) + \
self.canvas.winfo_height() - self.label.winfo_height()
self.menu.post(x, y)
def getSelectedIndex(self):
return self.selected_index
def setSelectedIndex(self, selected_index, force_callback=False):
if (force_callback or self.force_callback or \
(selected_index != self.selected_index)):
#print 'setSelectedIndex', self.entries, selected_index, self.selected_index, self.first_pass
self.selected_index = selected_index
self.setLabel(selected_index)
if (self.callback):
if (self.haveNoEntries()):
if (not self.first_pass):
self.callback(-1, None)
elif (selected_index != -1):
if (not self.first_pass or self.do_initial_callback):
self.callback(selected_index,
self.entries[selected_index])
self.first_pass = False
def get(self):
return self.getSelected()
def getSelected(self):
ind = self.getSelectedIndex()
if (ind == -1):
return None
else:
return self.getEntry(ind)
def set(self, selected):
self.setSelected(selected)
def findEntryIndex(self, entry, entries=None):
#print 'findEntryIndex1', entry, entries
if (entries):
noEntries = True
else:
noEntries = False
entries = self.entries
try:
ind = entries.index(entry)
return ind
except:
pass
#print 'findEntryIndex2', entry, entries
for n in range(len(entries)):
e = entries[n]
#print 'findEntryIndex3', entry, e
if e == entry:
if noEntries:
return [n]
else:
return n
elif type(e) == types.DictType:
if (len(entries) > 1):
try:
ind = self.findEntryIndex(entry, e['submenu'])
return [n] + ind
except:
pass
else:
if (entry == e['label']):
return [n]
raise 'unknown entry "%s"' % entry
# selects first item found in entries which matches
def setSelected(self, selected):
#print 'setSelected1', selected, type(selected), self.entries
try:
selected_index = self.findEntryIndex(selected)
except:
#selected_index = -1
return
#print 'setSelected2', selected_index
self.setSelectedIndex(selected_index)
def makeColorTile(self, color):
image = Tkinter.PhotoImage()
self.menu.images.append(image)
if type(color) == type([]):
colors = [scaleColor(self.menu, c, 1.0) for c in color]
else:
colors = [
scaleColor(self.menu, color, 1.0),
]
cols = max(8, len(colors))
for x in range(cols):
i = x % len(colors)
c = colors[i]
for y in range(16):
image.put('{%s %s}' % (c, c), to=(2 * x, y))
return image
class ScrolledCanvas(Frame):
def __init__(self,
parent,
resizeCallback=None,
width=600,
height=600,
*args,
**kw):
self.bbox = None
self.busy = 0
self.initialX = None
self.initialY = None
self.resizeCallback = resizeCallback
apply(Frame.__init__, (self, parent) + args, kw)
self.grid_rowconfigure(0, weight=1)
self.grid_columnconfigure(0, weight=1)
self.menu = Menu(self, tearoff=0, include_event=True)
self.configMenu()
self.canvas = Canvas(self,
relief='flat',
borderwidth=0,
width=width,
height=height)
self.canvas.configure(xscrollincrement=2, yscrollincrement=2)
self.canvas.grid(row=0, column=0, sticky=Tkinter.NSEW)
self.horizScrollbar = Tkinter.Scrollbar(self,
bg=self.cget('bg'),
command=self.canvas.xview,
orient=Tkinter.HORIZONTAL,
borderwidth=1)
self.vertScrollbar = Tkinter.Scrollbar(self,
bg=self.cget('bg'),
command=self.canvas.yview,
orient=Tkinter.VERTICAL,
borderwidth=1)
self.canvas.configure(xscrollcommand=self.horizScrollbar.set,
yscrollcommand=self.vertScrollbar.set)
self.canvas.bind('<Configure>', self.resizeAfter)
self.canvas.bind('<Button-1>', self.mouseButton1)
self.canvas.bind('<Button-2>', self.mouseButton2)
self.canvas.bind('<Button-3>', self.mouseButton3)
self.canvas.bind('<ButtonRelease-1>', self.mouseButtonRelease1)
self.canvas.bind('<ButtonRelease-2>', self.mouseButtonRelease2)
self.canvas.bind('<B2-Motion>', self.mouseScroll)
self.canvas.bind('<B3-Motion>', self.doNothing)
self.canvas.bind('<Motion>', self.mouseEnter)
self.canvas.bind('<Enter>', self.mouseEnter)
def doNothing(self, event):
pass
def mouseEnter(self, event):
if self.menu.winfo_ismapped():
self.removeMenu()
def refresh(self):
self.bbox = self.canvas.bbox('all')
bbox = self.bbox
if not bbox:
self.busy = 0
return
cWidth = int(self.canvas.cget('width'))
cHeight = int(self.canvas.cget('height'))
if cHeight > bbox[3] - bbox[1]:
self.vertScrollbar.grid_forget()
else:
self.vertScrollbar.grid(row=0, column=1, sticky=Tkinter.NS)
if cWidth > bbox[2] - bbox[0]:
self.horizScrollbar.grid_forget()
else:
self.horizScrollbar.grid(row=1, column=0, sticky=Tkinter.EW)
x1 = bbox[0]
y1 = bbox[1]
x2 = max(bbox[0] + cWidth, bbox[2])
y2 = max(bbox[1] + cHeight, bbox[3])
self.canvas.configure(scrollregion=(x1, y1, x2, y2))
self.update_idletasks()
self.busy = 0
def printCanvas(self, *event):
fileTypes = [FileType('PostScript', ['*.ps']), FileType('All', ['*'])]
fileSelectPopup = FileSelectPopup(self,
file_types=fileTypes,
title='Print canvas to file',
dismiss_text='Cancel',
selected_file_must_exist=False)
fileName = fileSelectPopup.getFile()
self.bbox = bbox = self.canvas.bbox('all')
w = bbox[2] - bbox[0]
h = bbox[3] - bbox[1]
self.canvas.postscript(colormode='color',
file=fileName,
x=bbox[0],
y=bbox[1],
width=w + 2,
pagewidth='21.c',
height=h + 2)
def configMenu(self):
items = [
{
'kind': 'command',
'label': 'Print to file',
'command': self.printCanvas
},
]
self.menu.setMenuItems(items)
def removeMenu(self, *event):
self.menu.unpost()
def mouseButton3(self, event):
self.menu.popupMenu(event)
def mouseButton1(self, event):
self.removeMenu()
if not self.initialX:
self.initialX = event.x
self.initialY = event.y
def mouseButton2(self, event):
self.removeMenu()
if not self.initialX:
self.initialX = event.x
self.initialY = event.y
self.initialPX = self.horizScrollbar.get()[0]
self.initialPY = self.vertScrollbar.get()[0]
def mouseButtonRelease1(self, event):
self.initialX = None
self.initialY = None
def mouseButtonRelease2(self, event):
self.initialX = None
self.initialY = None
self.initialPX = None
self.initialPY = None
def mouseScroll(self, event):
self.menu.unpost()
bbox = self.bbox
if not bbox:
return
bW = float(bbox[2] - bbox[0])
bH = float(bbox[3] - bbox[1])
cWidth = int(self.canvas.cget('width'))
cHeight = int(self.canvas.cget('height'))
if cWidth < bW:
dx = self.initialX - event.x
prop = self.initialPX + (dx / bW)
self.canvas.xview('moveto', prop)
if cHeight < bH:
dy = self.initialY - event.y
prop = self.initialPY + (dy / bH)
self.canvas.yview('moveto', prop)
def resizeAfter(self, event):
if self.busy:
return
else:
self.busy = 1
self.removeMenu()
self.after_idle(lambda: self.resize(event))
def resize(self, event):
if self.resizeCallback:
self.after_idle(
lambda: self.resizeCallback(event.width, event.height))
self.canvas.configure(width=event.width, height=event.height)
self.after_idle(self.refresh)
class ColorChooser(Frame):
def __init__(self, parent, *args, **kw):
apply(Frame.__init__, (self, parent) + args, kw)
self.grid_rowconfigure(0, weight=1)
self.grid_rowconfigure(1, weight=0)
self.grid_rowconfigure(2, weight=0)
self.grid_rowconfigure(3, weight=0)
self.canvas = Canvas(self, relief='sunken', borderwidth=2, width=150)
self.canvas.grid(row=0,
column=1,
columnspan=1,
sticky=Tkinter.NSEW,
pady=2,
padx=2)
frame = Frame(self)
frame.grid_columnconfigure(1, weight=1)
self.boxSize = 100
self.numPixels = 10
self.pixelWidth = round(self.boxSize / self.numPixels)
self.colorBox = Canvas(frame,
relief='sunken',
borderwidth=2,
width=self.boxSize + 2,
height=self.boxSize + 2)
self.colorBox.bind('<Button-1>', self.pickInColorBox)
self.colorBox.bind('<Button-2>', self.pickInColorBox)
self.colorBox.bind('<Button-3>', self.pickInColorBox)
self.colorBox.grid(row=0,
column=2,
rowspan=3,
sticky=Tkinter.NSEW,
padx=4,
pady=4)
self.pixel = []
self.colors = []
self.setupColorBox()
self.scale = Tkinter.Scale(frame,
orient=Tkinter.VERTICAL,
length=self.boxSize,
from_=0,
to=99,
label='',
showvalue=0,
command=self.refreshColorBox)
self.scale.grid(row=0,
column=3,
rowspan=3,
sticky=Tkinter.NS,
padx=4,
pady=4)
frame.grid(row=1, column=0, columnspan=2, sticky=Tkinter.NSEW)
labels = ('Red', 'Green', 'Blue')
self.labeled_scale = 3 * [None]
for n in range(3):
label = Label(frame, text=labels[n] + ':', anchor=Tkinter.W)
label.grid(row=n, column=0, sticky=Tkinter.EW)
self.labeled_scale[n] = LabeledScale(
frame,
values=range(101),
label_format='%3d',
set_callback=self.scaleCallback)
self.labeled_scale[n].grid(row=n, column=1, sticky=Tkinter.EW)
def setupColorBox(self):
pw = self.pixelWidth
np = self.numPixels
for x in range(np):
self.pixel.append([])
self.colors.append([])
for y in range(np):
rgb = hsbToRgb(0, 1 - x / float(np), 1 - y / float(np))
c = '#%02x%02x%02x' % (rgb[0] * 255, rgb[1] * 255,
rgb[2] * 255)
p = self.colorBox.create_rectangle(2 + pw * x,
2 + pw * y,
2 + (pw * x) + pw,
(2 + pw * y) + pw,
outline=c,
fill=c)
self.pixel[x].append(p)
self.colors[x].append(rgb)
def pickInColorBox(self, event):
x = int(event.x / self.pixelWidth)
y = int(event.y / self.pixelWidth)
X = min(x, self.numPixels - 1)
Y = min(y, self.numPixels - 1)
x = max(X, 0)
y = max(Y, 0)
rgb = self.colors[x][y]
self.setColor(rgb[0], rgb[1], rgb[2])
def refreshColorBox(self, H):
np = self.numPixels
H = int(H) / 100.
for x in range(np):
for y in range(np):
rgb = hsbToRgb(H, 1 - x / float(np), 1 - y / float(np))
c = '#%02x%02x%02x' % (rgb[0] * 255, rgb[1] * 255,
rgb[2] * 255)
self.colorBox.itemconfigure(self.pixel[x][y],
outline=c,
fill=c)
self.colors[x][y] = rgb
def scaleCallback(self, *index):
c = 3 * [0]
for n in range(3):
c[n] = int(2.559 * float(self.labeled_scale[n].getValue()))
color = '#%02x%02x%02x' % (c[0], c[1], c[2])
self.canvas.config(bg=color)
def setColor(self, r, g, b):
c = (r, g, b)
for n in range(3):
s = round(100.0 * c[n])
s = min(100, s)
self.labeled_scale[n].set(s)
def getColor(self):
c = 3 * [0]
for n in range(3):
c[n] = float(self.labeled_scale[n].getValue()) / 100.0
return tuple(c)
class ToggleArrow(Frame):
def __init__(self,
parent,
arrowSize=11,
outline='#5050b0',
fill='#a0a0ff',
isArrowClosed=True,
callback=None,
*args,
**kw):
self.arrowSize = arrowSize
self.isArrowClosed = isArrowClosed
self.callback = callback
apply(Frame.__init__, (self, parent) + args, kw)
bg = kw.get('bg')
if (not bg):
bg = kw.get('background')
if (not bg):
bg = parent.cget('bg')
# below does not work for some reason, instead explicitly create rectangle below
#self.canvas = Canvas(self, width=arrowSize, height=arrowSize, bg=bg)
self.canvas = Canvas(self, width=arrowSize + 3, height=arrowSize + 1)
self.canvas.grid(row=0, column=0)
# need +/-1 otherwise get line along borders
self.canvas.create_rectangle(-1,
-1,
arrowSize + 3,
arrowSize + 1,
fill=bg)
# arbitrary coords
self.arrow = self.canvas.create_polygon(0,
0,
1,
0,
1,
1,
fill=fill,
outline=outline)
self.drawArrow()
self.canvas.bind('<Button-1>', self.flipState)
def drawArrow(self):
s = self.arrowSize
if (self.isArrowClosed):
self.canvas.coords(self.arrow, 2, 0, s + 2, s / 2, 2, s)
else:
self.canvas.coords(self.arrow, 2, 0, s + 2, 0, (s / 2) + 2, s)
def flipState(self, *event):
self.isArrowClosed = not self.isArrowClosed
if (self.callback):
self.callback(self.isArrowClosed)
self.drawArrow()
class PulldownList(Frame):
# if using indentation then should use list as stack only
# in other words only delete or insert at end
# There is a 1:1 correspondance between the ordered lists of texts and
# list of objects
# categories is the category name for each text/object
# objects with the same category will go under a submenu
# of that name
def __init__(self,
parent,
callback=None,
texts=None,
objects=None,
categories=None,
colors=None,
index=0,
prefix='',
indent='',
initCallback=False,
forceCallback=False,
numbering=False,
arrowLine='#602000',
arrowFill='#B05848',
labelColor='#501000',
menuBg='#F0F0FF',
sticky='w',
*args,
**kw):
Frame.__init__(self, parent, sticky=sticky, *args, **kw)
self.callback = callback
self.texts = texts or []
self.objects = objects or []
self.categories = categories or []
self.colors = colors or []
self.prefix = prefix
self.indent = indent
self.initCallback = initCallback
self.numbering = numbering
self.arrowLine = arrowLine
self.arrowFill = arrowFill
self.labelColor = labelColor
# Current selection
self.index = None
self.object = NullText
self.rows = []
self.bg = self.cget('bg')
self.label = Label(self, foreground=labelColor)
self.canvas = Canvas(self, width=12, height=12, background=self.bg)
self.menu = Menu(self.canvas,
tearoff=False,
bg=menuBg,
relief='solid',
borderwidth=1,
activeborderwidth=1)
self.menu.images = [] # Photoimage has to remain referenced
self.setup(self.texts, self.objects, index, self.colors,
self.categories)
self.label.bind("<Button-1>", self._labelClick)
self.menu.bind("<Leave>", self._leave)
self.canvas.bind("<Button-1>", self._canvasClick)
self.canvas.bind("<Configure>", self._resizeCallback)
self.grid_columnconfigure(0, weight=1)
self.label.grid(row=0, column=0, sticky='w')
self.canvas.grid(row=0, column=1, sticky='w', padx=2)
#
# Retrieval
#
def get(self):
return (self.getText(), self.getObject())
def getSelected(self):
return self.get()
def getObject(self):
return self._fetch(self.index, self.objects)
def getText(self):
return self._fetch(self.index, self.texts)
def getSelectedIndex(self):
return self.index
#
# Setting selected
#
def set(self, item):
# Works with an object or a text
index = None
if item in self.texts:
index = list(self.texts).index(item)
elif item in self.objects:
index = list(self.objects).index(item)
if index is not None:
self.setIndex(index)
def setSelected(self, item):
self.set(item)
def setIndex(self, index, doCallback=False):
self.index = index
if self.objects:
obj = self.objects[index]
if obj is not self.object:
self.object = obj
if (doCallback
or self.initCallback) and self.texts and self.callback:
self.callback(obj)
self._updateLabel()
#
# Bulk configuration
#
def clear(self):
self.setup([], [], 0)
def setup(self, texts, objects, index, colors=None, categories=None):
self.texts = texts
nTexts = len(texts)
if not objects:
objects = texts
while len(objects) < nTexts:
objects.append(None)
self.objects = objects
if colors is None:
self.colors = [None] * nTexts
else:
while len(colors) < nTexts:
colors.append(None)
self.colors = colors
if categories is None:
self.categories = [None] * nTexts
else:
while len(categories) < nTexts:
categories.append(None)
self.categories = categories
self._setMenuItems()
self.setIndex(index or 0)
#
# In-place/minor configuration
#
def insert(self,
index,
text,
object=None,
color=None,
category=None,
select=False):
index = max(0, min(len(self.texts), index))
self.texts.insert(index, text)
self.objects.insert(index, object)
self.colors.insert(index, color)
self.categories.insert(index, category)
self._setMenuItems()
if select:
self.setIndex(index)
def append(self,
text,
object=None,
color=None,
category=None,
select=False):
self.insert(len(self.texts),
text,
object=None,
color=None,
category=None,
select=False)
def delete(self, index, howMany=1):
if index < 0:
return
elif index >= len(self.texts):
return
end = min(index + howMany, len(self.texts))
self._clearMenu()
del self.texts[index:end]
del self.objects[index:end]
del self.colors[index:end]
del self.categories[index:end]
self._setMenuItems()
index = min(len(self.texts) - 1, self.index)
self.setIndex(index)
#
# Internal methods
#
def _leave(self, event):
x = event.x
y = event.y
x1 = self.menu.winfo_width()
y1 = self.menu.winfo_height()
if (x < 0) or (y < 0) or (x >= x1) or (y >= y1):
self._popdown()
def _resizeCallback(self, *event):
c = self.canvas
w = c.winfo_width() - 1
h = c.winfo_height() - 1
c.delete('all')
c.create_rectangle(0,
0,
10,
2,
fill=self.arrowFill,
outline=self.arrowLine)
c.create_polygon(0,
4,
0,
6,
5,
11,
10,
6,
10,
4,
fill=self.arrowFill,
outline=self.arrowLine)
def _fetch(self, index, array):
if index is None:
return None
if index < 0:
index += len(array)
if index < 0:
return None
elif index >= len(array):
return None
else:
return array[index]
def _setMenuItems(self):
self._clearMenu()
self.menu.images = [] # Clear photoimages
if not self.texts and not self.menu.entrycget(1, 'label'):
item = {'kind': 'command', 'label': NullText, 'command': None}
self.menu.addMenuItem(item)
self.rows = [0]
return
topList = []
categoryDict = {}
for i in range(len(self.texts)):
text = self.texts[i]
color = self.colors[i]
category = self.categories[i]
if category:
if categoryDict.get(category) is None:
categoryDict[category] = []
topList.append((None, category, None, category))
categoryDict[category].append((i, text, color))
else:
topList.append((i, text, color, None))
row = 0
for index, text, color, cat in topList:
columnbreak = 0
if row and row % 20 == 0:
columnbreak = 1
if cat:
string = (self.indent * row) + self.prefix + text
items = []
rowB = 0
for index2, text2, color2 in categoryDict.get(cat, []):
columnbreakB = 0
if rowB and rowB % 20 == 0:
columnbreakB = 1
if self.numbering:
number = '%d%. ' % (index2 + 1)
else:
number = ''
string2 = number + self.prefix + text2
command = lambda n=index2: self.setIndex(n, True)
if color2:
image = self._makeColorTile(color2)
item2 = {
'kind': 'command',
'accelerator': string2,
'command': command,
'image': image,
'columnbreak': columnbreakB
}
else:
item2 = {
'kind': 'command',
'label': string2,
'command': command,
'columnbreak': columnbreakB
}
items.append(item2)
self.rows.append(row)
rowB += 1
item = {
'kind': 'cascade',
'label': string,
'submenu': items,
'columnbreak': columnbreak
}
else:
if self.numbering:
number = '%d%. ' % (index + 1)
else:
number = ''
string = (self.indent * row) + number + self.prefix + text
command = lambda n=index: self.setIndex(n, True)
if color:
image = self._makeColorTile(color)
item = {
'kind': 'command',
'accelerator': string,
'command': command,
'image': image,
'columnbreak': columnbreak
}
else:
item = {
'kind': 'command',
'label': string,
'command': command,
'columnbreak': columnbreak
}
self.menu.addMenuItem(item)
self.rows.append(row)
row += 1
def _clearMenu(self):
self.menu.delete(0, 'end')
self.index = 0
self.rows = []
def _popdown(self, *event):
self.menu.unpost()
def _labelClick(self, event):
s = self.rows[self.index]
#x = event.x_root - event.x + 2 + self.label.winfo_width()
x = event.x_root - 2
y = event.y_root - event.y - max(0,
s) * (self.label.winfo_height() + 1)
self.menu.post(x, y)
def _canvasClick(self, event):
s = self.rows[self.index]
x = event.x_root - event.x + 2
y = event.y_root - event.y - max(0,
s) * (self.label.winfo_height() + 1)
self.menu.post(x, y)
def _updateLabel(self):
if self.texts:
text = self.texts[self.index] or NullText
else:
text = NullText
self.label.set(text=text)
def _makeColorTile(self, color):
image = Tkinter.PhotoImage()
self.menu.images.append(image)
if type(color) == type([]):
colors = [scaleColor(self.menu, c, 1.0) for c in color]
else:
colors = [
scaleColor(self.menu, color, 1.0),
]
cols = max(8, len(colors))
for x in range(cols):
i = x % len(colors)
c = colors[i]
for y in range(16):
image.put('{%s %s}' % (c, c), to=(2 * x, y))
return image
class Tree(Frame):
def __init__(self,
parent,
iconSize='medium',
multiSelect=False,
font='Helvetica 8',
doubleCallback=None,
*args,
**kw):
Frame.__init__(self, parent, *args, **kw)
self.multiSelect = multiSelect
self.icons = {}
self.openDict = {}
self.scrollbarWidth = 15
self.canvasList = []
self.canvasDict = {}
self.canvasLines = []
self._wait = False
self.vOffset = 0
self.nodes = [] # Just a list of nodes
self.nodeDict = {} # To fetch nodes via objects
self.font = font
self.doubleCallback = doubleCallback
#bg = self.cget('background')
iconItems = [{
'kind': 'command',
'label': 'Small',
'command': self.smallIcons
}, {
'kind': 'command',
'label': 'Medium',
'command': self.medIcons
}, {
'kind': 'command',
'label': 'Large',
'command': self.largeIcons
}]
self.menu = Menu(self, tearoff=False)
menu_items = [
{
'kind': 'cascade',
'label': 'Icon size',
'submenu': iconItems
},
]
self.menu.setMenuItems(menu_items)
self.rowHeight = None
self.visibleRows = 80
self.setIconSize(iconSize, redraw=False)
self.canvas = Canvas(self,
relief='flat',
borderwidth=0,
background=BG_COLOR,
xscrollcommand=self._setHScrollbar,
*args,
**kw)
self.canvas.pack()
self.xScrollbar = Scrollbar(self,
orient='horizontal',
width=self.scrollbarWidth,
borderwidth=1,
callback=self._moveHScrollbar,
background=BG_COLOR)
self.yScrollbar = Scrollbar(self,
orient='vertical',
width=self.scrollbarWidth,
borderwidth=1,
callback=self._setVScrollbar,
background=BG_COLOR)
self.canvas.bind('<Button-1>', self._mouseClick)
self.canvas.bind('<Double-1>', self._mouseDoubleClick)
if isWindowsOS:
self.canvas.bind('<MouseWheel>', self._windowsOsScroll)
else:
self.canvas.bind('<Button-4>', self._mouseUp)
self.canvas.bind('<Button-5>', self._mouseDown)
self.canvas.bind('<p>', self._printCanvas)
self.canvas.bind('<KeyPress-Prior>', self._pageUp)
self.canvas.bind('<KeyPress-Next>', self._pageDown)
self.canvas.bind('<KeyPress-Up>', self._keyUp)
self.canvas.bind('<KeyPress-Down>', self._keyDown)
self.canvas.bind('<KeyPress-Home>', self._keyHome)
self.canvas.bind('<KeyPress-End>', self._keyEnd)
self.canvas.bind('<Enter>', self._enter)
self.canvas.bind('<ButtonPress-3>', self._popupMenu)
self.bind('<Configure>', self._changeSizeAfter)
def _popupMenu(self, event):
self.menu.popupMenu(event)
def smallIcons(self):
self.setIconSize('small')
def medIcons(self):
self.setIconSize('medium')
def largeIcons(self):
self.setIconSize('large')
def setIconSize(self, iconSize, redraw=True):
size = ICON_SIZE_DICT.get(iconSize, 22)
if size != self.rowHeight:
self.rowHeight = size + 1
self.font = 'Helvetica %d' % (size / 2)
ccpnDir = getTopDirectory()
iconDir = '%dx%d' % (size, size)
imageDir = path.join(ccpnDir, 'python', 'memops', 'gui',
'graphics', iconDir)
files = [f for f in listdir(imageDir) if f.endswith('.gif')]
for file in files:
imageFile = path.join(imageDir, file)
self.icons[file[:-4]] = PhotoImage(file=imageFile)
if redraw:
self._changeSize()
return size
def _setHScrollbar(self, start, end):
self.xScrollbar.set(float(start), float(end))
def _moveHScrollbar(self, start, end):
self.canvas.xview('moveto', start)
def _enter(self, event):
self.menu.popdownMenu()
self.canvas.focus_force()
def _printCanvas(self, *event):
from memops.gui.FileSelect import FileType
from memops.gui.FileSelectPopup import FileSelectPopup
fileTypes = [FileType('PostScript', ['*.ps']), FileType('All', ['*'])]
fileSelectPopup = FileSelectPopup(self,
file_types=fileTypes,
title='Print canvas to file',
dismiss_text='Cancel',
selected_file_must_exist=False)
fileName = fileSelectPopup.getFile()
self.canvas.postscript(colormode='color', file=fileName)
def _windowsOsScroll(self, event):
delta = event.delta
if delta > 0:
self._mouseUp(event)
elif delta < 0:
self._mouseDown(event)
def _keyHome(self, event):
self.vOffset = 0
self._drawAfter()
def _keyEnd(self, event):
numNodes = len(self.nodes)
visNodes = self.visibleRows
self.vOffset = max(0, numNodes - visNodes)
self._drawAfter()
def _scroll(self, delta=1):
height = int(self.winfo_height())
numNodes = len(self.nodes)
visNodes = self.visibleRows
if numNodes <= visNodes:
return
vOffset = self.vOffset + delta
vOffset = max(0, vOffset)
vOffset = min(numNodes - visNodes, vOffset)
if vOffset != self.vOffset:
self.vOffset = vOffset
self._drawAfter()
def _pageUp(self, event):
self._scroll(-1 * self.visibleRows)
def _pageDown(self, event):
self._scroll(self.visibleRows)
def _mouseUp(self, event):
self._scroll(-8)
def _mouseDown(self, event):
self._scroll(8)
def _keyUp(self, event):
self._scroll(-1)
def _keyDown(self, event):
self._scroll(1)
def _setVScrollbar(self, start, end):
self.cancelEdits()
height = int(self.winfo_height())
gaps = start + 1 - end
nRows = float(len(self.nodes))
if gaps == 0 or nRows == 0.0:
self.yScrollbar.set(0, 1)
self.vOffset = 0
else:
# Have to do this so that the bar keeps up with the mouse
overlap = int(nRows - self.visibleRows)
size = min(1.0, self.visibleRows / nRows)
self.yScrollbar.set(min(gaps, max(0, start)),
max(size, min(1.0, start + size)))
self.vOffset = min(
max(0, int('%1.1d' % (start / gaps * (overlap + 1)))), overlap)
#vOffset = max(0, start*nRows)
#vOffset = min(nRows-self.visibleRows, vOffset)
#self.vOffset = int(vOffset)
self._drawAfter()
def _updateScrollBars(self):
allRows = len(self.nodes)
visRows = self.visibleRows
if allRows < visRows:
self.vOffset = 0
self.yScrollbar.set(0, 1)
self.yScrollbar.place_forget()
else:
size = self.scrollbarWidth
width = int(self.winfo_width()) - 1
height = int(self.winfo_height()) - 1
start = float(self.vOffset) / allRows
end = float(self.vOffset + visRows) / allRows
self.yScrollbar.set(start, end)
self.yScrollbar.place(x=width - size + 1,
y=1,
width=size,
height=height)
self.update_idletasks()
def _mouseClick(self, event):
self.cancelEdits()
x = self.canvas.canvasx(event.x)
y = self.canvas.canvasy(event.y)
obj = self.canvas.find('closest', x, y)[0]
node, typ = self.canvasDict.get(obj, (None, None))
if node:
if typ is TOGGLE:
node.toggle()
else:
if self.multiSelect and (event.state & 4 or event.state & 1):
if event.state & 4:
node.isSelected = not node.isSelected
elif event.state & 1:
indices = [
self.nodes.index(node),
]
for i, node2 in enumerate(self.nodes):
if node2.isSelected:
indices.append(i)
for node2 in self.nodes[min(indices):max(indices) + 1]:
node2.isSelected = True
else:
for node2 in self.nodes:
if node2.isSelected:
node2.isSelected = False
node.isSelected = True
self._drawAfter()
def _mouseDoubleClick(self, event):
self.cancelEdits()
x = self.canvas.canvasx(event.x)
y = self.canvas.canvasy(event.y)
obj = self.canvas.find('closest', x, y)[0]
node, typ = self.canvasDict.get(obj, (None, None))
if node:
if typ is TOGGLE:
#node.toggle()
return
elif self.doubleCallback:
self.doubleCallback(node)
self._drawAfter()
def _drawAfter(self):
if self._wait:
return
self._wait = True
self.after_idle(self._draw)
def _draw(self):
self._updateScrollBars()
delta = self.rowHeight
canvas = self.canvas
cImage = canvas.create_image
cList = self.canvasList
cDict = self.canvasDict
cLines = self.canvasLines
cConfig = canvas.itemconfigure
cDel = canvas.delete
cCoords = canvas.coords
cText = canvas.create_text
cRect = canvas.create_rectangle
cBbox = canvas.bbox
cLine = canvas.create_line
cLift = canvas.lift
cLower = canvas.lower
cPoly = canvas.create_polygon
nodes = self.nodes
nodeDict = self.nodeDict
visibleRows = self.visibleRows
icons = self.icons
font = self.font
vOffset = self.vOffset
bg = BG_COLOR # self.cget('bg')
roots = [n for n in nodes if not n.parent]
if not roots:
raise Exception('No rooted nodes')
for item in cLines:
cDel(item)
stack = [(node, 0) for node in roots]
nodes = []
while stack:
node, level = stack.pop(0)
nodes.append((node, level))
if node.isOpen:
level2 = level + 1
stack = [(c, level2) for c in node.children] + stack
yDict = {}
pLevel = 0
pNode = None
pad = 2 + (delta / 2)
bSpace = 4
nodes = nodes[vOffset:]
for row, data in enumerate(nodes):
node, level = data
y = pad + row * delta
x = pad + level * delta
x1 = x + delta
x2 = x1 + delta - bSpace
yDict[node] = y, x1
yP, xP = yDict.get(node.parent, (0, x))
if yP is not None:
line = cLine(xP, yP, xP, y, fill=LINE_COLOR, width=1)
cLower(line)
cLines.append(line)
if row > visibleRows:
break
iconImage = icons[node.icon]
if node.isSelected:
bgColor = SELECT_BG_COLOR
fgColor = SELECT_FG_COLOR
else:
bgColor = bg
fgColor = bg
if row < len(cList):
line, rect, tog1, tog2, box, icon, text = cList[row]
cConfig(rect, fill=bgColor, outline=fgColor)
cConfig(icon, image=iconImage)
cConfig(text, text=node.label or '', font=font)
cCoords(icon, x1, y)
cCoords(text, x2, y)
cCoords(line, x, y, x1, y)
else:
line = cLine(x, y, x1, y, fill=LINE_COLOR)
rect = cRect(x, y, x2, y, fill=bgColor, outline=fgColor)
box = cRect(-2, -2, -2, -2, fill=NODE_BG_COLOR)
tog1 = cLine(-2, -2, -2, -2)
tog2 = cLine(-2, -2, -2, -2)
icon = cImage(x1, y, image=iconImage)
text = cText(x2,
y,
text=node.label or '',
justify='left',
anchor='w',
font=font)
cList.append((line, rect, tog1, tog2, box, icon, text))
if node.callback:
cCoords(box, x - 4, y - 4, x + 4, y + 4)
if node.isOpen:
cCoords(tog1, -2, -2, -2, -2)
cCoords(tog2, x - 2, y, x + 3, y)
else:
cCoords(tog1, x, y - 2, x, y + 3)
cCoords(tog2, x - 2, y, x + 3, y)
else:
cCoords(tog1, -2, -2, -2, -2)
cCoords(tog2, -2, -2, -2, -2)
cCoords(box, -2, -2, -2, -2)
bbox = cBbox(text)
if bbox:
cCoords(rect, bbox[0] - 2, bbox[1], bbox[2] + 2, bbox[3])
cLift(box)
cLift(tog1)
cLift(tog2)
cDict[tog1] = (node, TOGGLE)
cDict[tog2] = (node, TOGGLE)
cDict[box] = (node, TOGGLE)
cDict[text] = (node, TEXT)
cDict[icon] = (node, ICON)
nRows = min(visibleRows, len(nodes))
if len(cList) > nRows:
for row in range(nRows, len(cList)):
for item in cList[row]:
if cDict.get(item):
del cDict[item]
cDel(item)
self.canvasList = cList[:nRows]
self._wait = False
def setFont(self, font):
self.font = font
self._drawAfter()
def _changeSizeAfter(self, event):
self.after_idle(lambda: self._changeSize(event))
def _changeSize(self, event=None):
self.cancelEdits()
if event:
width = event.width
height = event.height
else:
width = int(self.winfo_width())
height = int(self.winfo_height())
self.canvas.config(width=width, height=height)
self.visibleRows = height / self.rowHeight
bbox = self.canvas.bbox('all')
if bbox: # None at startup: nothing drawn
canvasWidth = bbox[2] - bbox[0]
if width < canvasWidth:
size = self.scrollbarWidth
end = width / float(canvasWidth)
self.canvas.config(scrollregion="0 0 %s %s" %
(canvasWidth, height))
if self.visibleRows < len(self.nodes):
self.xScrollbar.place(x=0,
y=height - size,
width=width - size,
height=size)
else:
self.xScrollbar.place(x=0,
y=height - size,
width=width,
height=size)
self.xScrollbar.set(0, end)
else:
self.xScrollbar.place_forget()
else:
self.xScrollbar.place_forget()
self._drawAfter()
# Public
def cancelEdits(self):
self.menu.popdownMenu()
def getSelected(self):
return [node.object for node in self.nodes if node.isSelected]
def select(self, object, expand=True):
node = self.nodeDict.get(object)
if node is not None:
node.isSelected = True
if expand:
parent = node.parent
while parent:
parent.isOpen = True
parent = parent.parent
self._drawAfter()
def selectAll(self, expand=True):
for node in self.nodes:
node.isSelected = True
if expand:
node.isOpen = expand
def selectDeep(self, object, expand=True):
node = self.nodeDict.get(object)
if node is not None:
stack = [
node,
]
nodes = []
while stack:
node2 = stack.pop()
stack.extend(node2.children)
nodes.append(node2)
for node2 in nodes:
if expand:
node2.isOpen = True
node2.isSelected = True
self._drawAfter()
def setSelected(self, objects, expand=True):
select = self.select
for object in objects:
select(object, expand)
def expand(self, object):
node = self.nodeDict.get(object)
if node is not None:
node.expand()
self._drawAfter()
def expandAll(self):
for node in self.nodes:
node.expand()
self._drawAfter()
def expandDeep(self, object):
node = self.nodeDict.get(object)
if node is not None:
stack = [
node,
]
nodes = []
while stack:
node2 = stack.pop()
stack.extend(node2.children)
nodes.append(node2)
for node2 in nodes:
node2.iexpand()
self._drawAfter()
def contract(self, object):
node = self.nodeDict.get(object)
if node is not None:
node.collapse()
self._drawAfter()
def contractAll(self):
for node in self.nodes:
node.collapse()
self._drawAfter()
def contractDeep(self, object):
node = self.nodeDict.get(object)
if node is not None:
stack = [
node,
]
nodes = []
while stack:
node2 = stack.pop()
stack.extend(node2.children)
nodes.append(node2)
for node2 in nodes:
node2.collapse()
self._drawAfter()
def update(self,
parents,
objects,
labels=None,
icons=None,
callbacks=None,
editWidgets=None):
n = len(parents)
for test in (objects, callbacks, labels, icons, editWidgets):
if test is not None:
assert len(test) == n
self.nodes = nodes = []
self.nodeDict = nodeDict = {}
self.openDict = {}
if not labels:
labels = [None] * n
if not icons:
icons = [None] * n
if not callbacks:
callbacks = [None] * n
if not editWidgets:
editWidgets = [[] for x in xrange(n)]
for i, parent in enumerate(parents):
object = objects[i]
node = Node(self, parent, object, labels[i], icons[i],
callbacks[i], False, False, editWidgets[i])
# JMCI FIXME: need to understand how the redraw works
self._draw()
def add(self,
parent,
object,
label=None,
icon='media-playback-stop',
callback=None,
isOpen=False,
isSelected=False,
editWidgets=None):
nodeDict = self.nodeDict
if nodeDict.get(object):
nodeDict[object].delete()
#raise Exception('Node already present for object %s' % object)
node = Node(self, parent, object, label, icon, callback, isOpen,
isSelected, editWidgets)
def remove(self, object):
node = self.nodeDict.get(object)
if node is not None:
if self.openDict.get(object):
del self.openDict[object]
node.delete()
self._drawAfter()