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import sys
import os
import string
import imp
from Tkinter import *
import tkSimpleDialog
import tkMessageBox
about_title = "About IDLE"
about_text = """\
IDLE 0.1
A not totally unintegrated development environment for Python
by Guido van Rossum
"""
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
about_title = about_title
about_text = about_text
def __init__(self, root, filename=None):
self.root = root
self.menubar = Menu(root)
self.top = top = Toplevel(root, menu=self.menubar)
self.vbar = vbar = Scrollbar(top, name='vbar')
self.text = text = Text(top, name='text')
self.createmenubar()
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)
self.text.bind("<<help>>", self.help_dialog)
self.text.bind("<<about-idle>>", self.about_dialog)
self.text.bind("<<open-module>>", self.open_module)
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()
menu_specs = [
("file", "File"),
("edit", "Edit"),
("help", "Help"),
]
def createmenubar(self):
mbar = self.menubar
self.menudict = mdict = {}
for name, label in self.menu_specs:
mdict[name] = menu = Menu(mbar, name=name)
mbar.add_cascade(label=label, menu=menu)
self.Bindings.fill_menus(self.text, mdict)
def about_dialog(self, event=None):
tkMessageBox.showinfo(self.about_title, self.about_text,
master=self.text)
def help_dialog(self, event=None):
from HelpWindow import HelpWindow
HelpWindow(root=self.root)
def open_module(self, event=None):
try:
name = self.text.get("sel.first", "sel.last")
except TclError:
name = ""
else:
name = string.strip(name)
if not name:
name = tkSimpleDialog.askstring("Module",
"Enter the name of a Python module\n"
"to search on sys.path and open:",
parent=self.text)
if name:
name = string.strip(name)
if not name:
return
try:
(f, file, (suffix, mode, type)) = imp.find_module(name)
except ImportError, msg:
tkMessageBox.showerror("Import error", str(msg), parent=self.text)
return
if type != imp.PY_SOURCE:
tkMessageBox.showerror("Unsupported type",
"%s is not a source module" % name, parent=self.text)
return
if f:
f.close()
self.flist.open(file, self)
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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