Viewing file:  FileList.py (4.05 KB) -rw-r--r--
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# changes by dscherer@cmu.edu
# - FileList.open() takes an optional 3rd parameter action, which is
# called instead of creating a new EditorWindow. This enables
# things like 'open in same window'.
import os
from Tkinter import *
import tkMessageBox
import WindowList
#$ event <<open-new-window>>
#$ win <Control-n>
#$ unix <Control-x><Control-n>
# (This is labeled as 'Exit'in the File menu)
#$ event <<close-all-windows>>
#$ win <Control-q>
#$ unix <Control-x><Control-c>
class FileList:
from EditorWindow import EditorWindow
EditorWindow.Toplevel = WindowList.ListedToplevel # XXX Patch it!
def __init__(self, root):
self.root = root
self.dict = {}
self.inversedict = {}
self.vars = {} # For EditorWindow.getrawvar (shared Tcl variables)
def open(self, filename, action=None):
assert filename
filename = self.canonize(filename)
if os.path.isdir(filename):
tkMessageBox.showerror(
"Is A Directory",
"The path %s is a directory." % `filename`,
master=self.root)
return None
key = os.path.normcase(filename)
if self.dict.has_key(key):
edit = self.dict[key]
edit.wakeup()
return edit
if not os.path.exists(filename):
tkMessageBox.showinfo(
"New File",
"Opening non-existent file %s" % `filename`,
master=self.root)
if action is None:
return self.EditorWindow(self, filename, key)
else:
return action(filename)
def gotofileline(self, filename, lineno=None):
edit = self.open(filename)
if edit is not None and lineno is not None:
edit.gotoline(lineno)
def new(self, filename=None):
return self.EditorWindow(self, filename)
def close_all_callback(self, event):
for edit in self.inversedict.keys():
reply = edit.close()
if reply == "cancel":
break
return "break"
def close_edit(self, edit):
try:
key = self.inversedict[edit]
except KeyError:
print "Don't know this EditorWindow object. (close)"
return
if key:
del self.dict[key]
del self.inversedict[edit]
if not self.inversedict:
self.root.quit()
def filename_changed_edit(self, edit):
edit.saved_change_hook()
try:
key = self.inversedict[edit]
except KeyError:
print "Don't know this EditorWindow object. (rename)"
return
filename = edit.io.filename
if not filename:
if key:
del self.dict[key]
self.inversedict[edit] = None
return
filename = self.canonize(filename)
newkey = os.path.normcase(filename)
if newkey == key:
return
if self.dict.has_key(newkey):
conflict = self.dict[newkey]
self.inversedict[conflict] = None
tkMessageBox.showerror(
"Name Conflict",
"You now have multiple edit windows open for %s" % `filename`,
master=self.root)
self.dict[newkey] = edit
self.inversedict[edit] = newkey
if key:
try:
del self.dict[key]
except KeyError:
pass
def canonize(self, filename):
if not os.path.isabs(filename):
try:
pwd = os.getcwd()
except os.error:
pass
else:
filename = os.path.join(pwd, filename)
return os.path.normpath(filename)
def _test():
from EditorWindow import fixwordbreaks
import sys
root = Tk()
fixwordbreaks(root)
root.withdraw()
flist = FileList(root)
if sys.argv[1:]:
for filename in sys.argv[1:]:
flist.open(filename)
else:
flist.new()
if flist.inversedict:
root.mainloop()
if __name__ == '__main__':
_test()
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