Tools/idle/FileList.py

   1 import os
   2 from Tkinter import *
   3 import tkMessageBox
   4
   5 import WindowList
   6
   7 #$ event <<open-new-window>>
   8 #$ win <Control-n>
   9 #$ unix <Control-x><Control-n>
  10
  11 # (This is labeled as 'Exit'in the File menu)
  12 #$ event <<close-all-windows>>
  13 #$ win <Control-q>
  14 #$ unix <Control-x><Control-c>
  15
  16 class FileList:
  17
  18     from EditorWindow import EditorWindow
  19     EditorWindow.Toplevel = WindowList.ListedToplevel # XXX Patch it!
  20
  21     def __init__(self, root):
  22         self.root = root
  23         self.dict = {}
  24         self.inversedict = {}
  25         self.vars = {} # For EditorWindow.getrawvar (shared Tcl variables)
  26
  27     def open(self, filename):
  28         assert filename
  29         filename = self.canonize(filename)
  30         if os.path.isdir(filename):
  31             tkMessageBox.showerror(
  32                 "Is A Directory",
  33                 "The path %s is a directory." % `filename`,
  34                 master=self.root)
  35             return None
  36         key = os.path.normcase(filename)
  37         if self.dict.has_key(key):
  38             edit = self.dict[key]
  39             edit.wakeup()
  40             return edit
  41         if not os.path.exists(filename):
  42             tkMessageBox.showinfo(
  43                 "New File",
  44                 "Opening non-existent file %s" % `filename`,
  45                 master=self.root)
  46         return self.EditorWindow(self, filename, key)
  47
  48     def gotofileline(self, filename, lineno=None):
  49         edit = self.open(filename)
  50         if edit is not None and lineno is not None:
  51             edit.gotoline(lineno)
  52
  53     def new(self):
  54         return self.EditorWindow(self)
  55
  56     def new_callback(self, event):
  57         self.new()
  58         return "break"
  59
  60     def close_all_callback(self, event):
  61         for edit in self.inversedict.keys():
  62             reply = edit.close()
  63             if reply == "cancel":
  64                 break
  65         return "break"
  66
  67     def close_edit(self, edit):
  68         try:
  69             key = self.inversedict[edit]
  70         except KeyError:
  71             print "Don't know this EditorWindow object.  (close)"
  72             return
  73         if key:
  74             del self.dict[key]
  75         del self.inversedict[edit]
  76         if not self.inversedict:
  77             self.root.quit()
  78
  79     def filename_changed_edit(self, edit):
  80         edit.saved_change_hook()
  81         try:
  82             key = self.inversedict[edit]
  83         except KeyError:
  84             print "Don't know this EditorWindow object.  (rename)"
  85             return
  86         filename = edit.io.filename
  87         if not filename:
  88             if key:
  89                 del self.dict[key]
  90             self.inversedict[edit] = None
  91             return
  92         filename = self.canonize(filename)
  93         newkey = os.path.normcase(filename)
  94         if newkey == key:
  95             return
  96         if self.dict.has_key(newkey):
  97             conflict = self.dict[newkey]
  98             self.inversedict[conflict] = None
  99             tkMessageBox.showerror(
 100                 "Name Conflict",
 101                 "You now have multiple edit windows open for %s" % `filename`,
 102                 master=self.root)
 103         self.dict[newkey] = edit
 104         self.inversedict[edit] = newkey
 105         if key:
 106             try:
 107                 del self.dict[key]
 108             except KeyError:
 109                 pass
 110
 111     def canonize(self, filename):
 112         if not os.path.isabs(filename):
 113             try:
 114                 pwd = os.getcwd()
 115             except os.error:
 116                 pass
 117             else:
 118                 filename = os.path.join(pwd, filename)
 119         return os.path.normpath(filename)
 120
 121
 122 def _test():
 123     from EditorWindow import fixwordbreaks
 124     import sys
 125     root = Tk()
 126     fixwordbreaks(root)
 127     root.withdraw()
 128     flist = FileList(root)
 129     if sys.argv[1:]:
 130         for filename in sys.argv[1:]:
 131             flist.open(filename)
 132     else:
 133         flist.new()
 134     if flist.inversedict:
 135         root.mainloop()
 136
 137 if __name__ == '__main__':
 138     _test()