def __init__(self, dialog, parent, key, default,
font=None, width=-1, height=-1, hbar=2, vbar=3):
self.dialog = dialog
self.default = default
self.n_selections = 0
self.n_expansions = 0
#
disty = 16
if width < 0:
width = 400
if height < 0:
height = 20 * disty
if parent and parent.winfo_screenheight() >= 600:
height = 25 * disty
if parent and parent.winfo_screenheight() >= 800:
height = 30 * disty
self.lines = height / disty
MfxTreeInCanvas.__init__(self, parent, self.data.rootnodes,
width=width, height=height,
hbar=hbar, vbar=vbar)
self.style.distx = 20
self.style.disty = disty
self.style.width = 16 # width of symbol
self.style.height = 14 # height of symbol
if font:
self.style.font = font
f = tkFont.Font(parent, font)
h = f.metrics()["linespace"]
self.style.disty = max(self.style.width, h)
self.draw()
self.updateSelection(key)
if self.hbar:
##print self.data.tree_yview
##print self.canvas.xview()
self.canvas.xview_moveto(self.data.tree_xview[0])
if self.vbar:
##print self.data.tree_yview
##print self.canvas.yview()
self.canvas.yview_moveto(self.data.tree_yview[0])
def destroy(self):
if self.n_expansions > 0: # must save updated xyview
self.data.tree_xview = self.canvas.xview()
self.data.tree_yview = self.canvas.yview()
MfxTreeInCanvas.destroy(self)