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import sys
import os
import string
from Tkinter import *
class EditorWindow:
from Percolator import Percolator
from ColorDelegator import ColorDelegator
from UndoDelegator import UndoDelegator
from IOBinding import IOBinding
from SearchBinding import SearchBinding
from AutoIndent import AutoIndent
from AutoExpand import AutoExpand
import Bindings
def __init__(self, root, filename=None):
self.top = top = Toplevel(root)
self.vbar = vbar = Scrollbar(top, name='vbar')
self.text = text = Text(top, name='text')
self.Bindings.apply_bindings(text)
self.top.protocol("WM_DELETE_WINDOW", self.close)
self.top.bind("<<close-window>>", self.close_event)
self.text.bind("<<center-insert>>", self.center_insert_event)
vbar['command'] = text.yview
vbar.pack(side=RIGHT, fill=Y)
text['yscrollcommand'] = vbar.set
text['background'] = 'white'
if sys.platform[:3] == 'win':
text['font'] = ("lucida console", 8)
text.pack(side=LEFT, fill=BOTH, expand=1)
text.focus_set()
self.auto = auto = self.AutoIndent(text)
self.autoex = self.AutoExpand(text)
self.per = per = self.Percolator(text)
if self.ispythonsource(filename):
self.color = color = self.ColorDelegator(); per.insertfilter(color)
##print "Initial colorizer"
else:
##print "No initial colorizer"
self.color = None
self.undo = undo = self.UndoDelegator(); per.insertfilter(undo)
self.search = search = self.SearchBinding(undo)
self.io = io = self.IOBinding(undo)
undo.set_saved_change_hook(self.saved_change_hook)
io.set_filename_change_hook(self.filename_change_hook)
if filename:
if os.path.exists(filename):
io.loadfile(filename)
else:
io.set_filename(filename)
self.saved_change_hook()
def gotoline(self, lineno):
if lineno is not None and lineno > 0:
self.text.mark_set("insert", "%d.0" % lineno)
self.text.tag_remove("sel", "1.0", "end")
self.text.tag_add("sel", "insert", "insert +1l")
self.center()
def ispythonsource(self, filename):
if not filename:
return 1
if os.path.normcase(filename[-3:]) == ".py":
return 1
try:
f = open(filename)
line = f.readline()
f.close()
except IOError:
return 0
return line[:2] == '#!' and string.find(line, 'python') >= 0
close_hook = None
def set_close_hook(self, close_hook):
self.close_hook = close_hook
def filename_change_hook(self):
self.saved_change_hook()
if self.ispythonsource(self.io.filename):
self.addcolorizer()
else:
self.rmcolorizer()
def addcolorizer(self):
if self.color:
return
##print "Add colorizer"
self.per.removefilter(self.undo)
self.color = self.ColorDelegator()
self.per.insertfilter(self.color)
self.per.insertfilter(self.undo)
def rmcolorizer(self):
if not self.color:
return
##print "Remove colorizer"
self.per.removefilter(self.undo)
self.per.removefilter(self.color)
self.color = None
self.per.insertfilter(self.undo)
def saved_change_hook(self):
if self.io.filename:
title = self.io.filename
else:
title = "(Untitled)"
if not self.undo.get_saved():
title = title + " *"
self.top.wm_title(title)
def center_insert_event(self, event):
self.center()
def center(self, mark="insert"):
insert = float(self.text.index(mark + " linestart"))
end = float(self.text.index("end"))
if insert > end-insert:
self.text.see("1.0")
else:
self.text.see("end")
self.text.see(mark)
def close_event(self, event):
self.close()
def close(self):
self.top.wm_deiconify()
self.top.tkraise()
reply = self.io.maybesave()
if reply != "cancel":
if self.color and self.color.colorizing:
self.color.close()
self.top.bell()
return "cancel"
if self.close_hook:
self.close_hook()
if self.color:
self.color.close() # Cancel colorization
self.top.destroy()
return reply
def fixwordbreaks(root):
tk = root.tk
tk.call('tcl_wordBreakAfter', 'a b', 0) # make sure word.tcl is loaded
tk.call('set', 'tcl_wordchars', '[a-zA-Z0-9_]')
tk.call('set', 'tcl_nonwordchars', '[^a-zA-Z0-9_]')
def test():
root = Tk()
fixwordbreaks(root)
root.withdraw()
if sys.argv[1:]:
filename = sys.argv[1]
else:
filename = None
edit = EditorWindow(root, filename)
edit.set_close_hook(root.quit)
root.mainloop()
root.destroy()
if __name__ == '__main__':
test()
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