Get rid of old IDLE. Lib/idlelib rules!

1 files changed, 0 insertions, 352 deletions

diff --git a/Tools/idle/UndoDelegator.py b/Tools/idle/UndoDelegator.py
deleted file mode 100644
index 54b0851..0000000
--- a/Tools/idle/UndoDelegator.py
+++ /dev/null
@@ -1,352 +0,0 @@
-import sys
-import string
-from Tkinter import *
-from Delegator import Delegator
-
-#$ event <<redo>>
-#$ win <Control-y>
-#$ unix <Alt-z>
-
-#$ event <<undo>>
-#$ win <Control-z>
-#$ unix <Control-z>
-
-#$ event <<dump-undo-state>>
-#$ win <Control-backslash>
-#$ unix <Control-backslash>
-
-
-class UndoDelegator(Delegator):
-
-    max_undo = 1000
-
-    def __init__(self):
-        Delegator.__init__(self)
-        self.reset_undo()
-
-    def setdelegate(self, delegate):
-        if self.delegate is not None:
-            self.unbind("<<undo>>")
-            self.unbind("<<redo>>")
-            self.unbind("<<dump-undo-state>>")
-        Delegator.setdelegate(self, delegate)
-        if delegate is not None:
-            self.bind("<<undo>>", self.undo_event)
-            self.bind("<<redo>>", self.redo_event)
-            self.bind("<<dump-undo-state>>", self.dump_event)
-
-    def dump_event(self, event):
-        from pprint import pprint
-        pprint(self.undolist[:self.pointer])
-        print "pointer:", self.pointer,
-        print "saved:", self.saved,
-        print "can_merge:", self.can_merge,
-        print "get_saved():", self.get_saved()
-        pprint(self.undolist[self.pointer:])
-        return "break"
-
-    def reset_undo(self):
-        self.was_saved = -1
-        self.pointer = 0
-        self.undolist = []
-        self.undoblock = 0  # or a CommandSequence instance
-        self.set_saved(1)
-
-    def set_saved(self, flag):
-        if flag:
-            self.saved = self.pointer
-        else:
-            self.saved = -1
-        self.can_merge = 0
-        self.check_saved()
-
-    def get_saved(self):
-        return self.saved == self.pointer
-
-    saved_change_hook = None
-
-    def set_saved_change_hook(self, hook):
-        self.saved_change_hook = hook
-
-    was_saved = -1
-
-    def check_saved(self):
-        is_saved = self.get_saved()
-        if is_saved != self.was_saved:
-            self.was_saved = is_saved
-            if self.saved_change_hook:
-                self.saved_change_hook()
-
-    def insert(self, index, chars, tags=None):
-        self.addcmd(InsertCommand(index, chars, tags))
-
-    def delete(self, index1, index2=None):
-        self.addcmd(DeleteCommand(index1, index2))
-
-    # Clients should call undo_block_start() and undo_block_stop()
-    # around a sequence of editing cmds to be treated as a unit by
-    # undo & redo.  Nested matching calls are OK, and the inner calls
-    # then act like nops.  OK too if no editing cmds, or only one
-    # editing cmd, is issued in between:  if no cmds, the whole
-    # sequence has no effect; and if only one cmd, that cmd is entered
-    # directly into the undo list, as if undo_block_xxx hadn't been
-    # called.  The intent of all that is to make this scheme easy
-    # to use:  all the client has to worry about is making sure each
-    # _start() call is matched by a _stop() call.
-
-    def undo_block_start(self):
-        if self.undoblock == 0:
-            self.undoblock = CommandSequence()
-        self.undoblock.bump_depth()
-
-    def undo_block_stop(self):
-        if self.undoblock.bump_depth(-1) == 0:
-            cmd = self.undoblock
-            self.undoblock = 0
-            if len(cmd) > 0:
-                if len(cmd) == 1:
-                    # no need to wrap a single cmd
-                    cmd = cmd.getcmd(0)
-                # this blk of cmds, or single cmd, has already
-                # been done, so don't execute it again
-                self.addcmd(cmd, 0)
-
-    def addcmd(self, cmd, execute=1):
-        if execute:
-            cmd.do(self.delegate)
-        if self.undoblock != 0:
-            self.undoblock.append(cmd)
-            return
-        if self.can_merge and self.pointer > 0:
-            lastcmd = self.undolist[self.pointer-1]
-            if lastcmd.merge(cmd):
-                return
-        self.undolist[self.pointer:] = [cmd]
-        if self.saved > self.pointer:
-            self.saved = -1
-        self.pointer = self.pointer + 1
-        if len(self.undolist) > self.max_undo:
-            ##print "truncating undo list"
-            del self.undolist[0]
-            self.pointer = self.pointer - 1
-            if self.saved >= 0:
-                self.saved = self.saved - 1
-        self.can_merge = 1
-        self.check_saved()
-
-    def undo_event(self, event):
-        if self.pointer == 0:
-            self.bell()
-            return "break"
-        cmd = self.undolist[self.pointer - 1]
-        cmd.undo(self.delegate)
-        self.pointer = self.pointer - 1
-        self.can_merge = 0
-        self.check_saved()
-        return "break"
-
-    def redo_event(self, event):
-        if self.pointer >= len(self.undolist):
-            self.bell()
-            return "break"
-        cmd = self.undolist[self.pointer]
-        cmd.redo(self.delegate)
-        self.pointer = self.pointer + 1
-        self.can_merge = 0
-        self.check_saved()
-        return "break"
-
-
-class Command:
-
-    # Base class for Undoable commands
-
-    tags = None
-
-    def __init__(self, index1, index2, chars, tags=None):
-        self.marks_before = {}
-        self.marks_after = {}
-        self.index1 = index1
-        self.index2 = index2
-        self.chars = chars
-        if tags:
-            self.tags = tags
-
-    def __repr__(self):
-        s = self.__class__.__name__
-        t = (self.index1, self.index2, self.chars, self.tags)
-        if self.tags is None:
-            t = t[:-1]
-        return s + `t`
-
-    def do(self, text):
-        pass
-
-    def redo(self, text):
-        pass
-
-    def undo(self, text):
-        pass
-
-    def merge(self, cmd):
-        return 0
-
-    def save_marks(self, text):
-        marks = {}
-        for name in text.mark_names():
-            if name != "insert" and name != "current":
-                marks[name] = text.index(name)
-        return marks
-
-    def set_marks(self, text, marks):
-        for name, index in marks.items():
-            text.mark_set(name, index)
-
-
-class InsertCommand(Command):
-
-    # Undoable insert command
-
-    def __init__(self, index1, chars, tags=None):
-        Command.__init__(self, index1, None, chars, tags)
-
-    def do(self, text):
-        self.marks_before = self.save_marks(text)
-        self.index1 = text.index(self.index1)
-        if text.compare(self.index1, ">", "end-1c"):
-            # Insert before the final newline
-            self.index1 = text.index("end-1c")
-        text.insert(self.index1, self.chars, self.tags)
-        self.index2 = text.index("%s+%dc" % (self.index1, len(self.chars)))
-        self.marks_after = self.save_marks(text)
-        ##sys.__stderr__.write("do: %s\n" % self)
-
-    def redo(self, text):
-        text.mark_set('insert', self.index1)
-        text.insert(self.index1, self.chars, self.tags)
-        self.set_marks(text, self.marks_after)
-        text.see('insert')
-        ##sys.__stderr__.write("redo: %s\n" % self)
-
-    def undo(self, text):
-        text.mark_set('insert', self.index1)
-        text.delete(self.index1, self.index2)
-        self.set_marks(text, self.marks_before)
-        text.see('insert')
-        ##sys.__stderr__.write("undo: %s\n" % self)
-
-    def merge(self, cmd):
-        if self.__class__ is not cmd.__class__:
-            return 0
-        if self.index2 != cmd.index1:
-            return 0
-        if self.tags != cmd.tags:
-            return 0
-        if len(cmd.chars) != 1:
-            return 0
-        if self.chars and \
-           self.classify(self.chars[-1]) != self.classify(cmd.chars):
-            return 0
-        self.index2 = cmd.index2
-        self.chars = self.chars + cmd.chars
-        return 1
-
-    alphanumeric = string.ascii_letters + string.digits + "_"
-
-    def classify(self, c):
-        if c in self.alphanumeric:
-            return "alphanumeric"
-        if c == "\n":
-            return "newline"
-        return "punctuation"
-
-
-class DeleteCommand(Command):
-
-    # Undoable delete command
-
-    def __init__(self, index1, index2=None):
-        Command.__init__(self, index1, index2, None, None)
-
-    def do(self, text):
-        self.marks_before = self.save_marks(text)
-        self.index1 = text.index(self.index1)
-        if self.index2:
-            self.index2 = text.index(self.index2)
-        else:
-            self.index2 = text.index(self.index1 + " +1c")
-        if text.compare(self.index2, ">", "end-1c"):
-            # Don't delete the final newline
-            self.index2 = text.index("end-1c")
-        self.chars = text.get(self.index1, self.index2)
-        text.delete(self.index1, self.index2)
-        self.marks_after = self.save_marks(text)
-        ##sys.__stderr__.write("do: %s\n" % self)
-
-    def redo(self, text):
-        text.mark_set('insert', self.index1)
-        text.delete(self.index1, self.index2)
-        self.set_marks(text, self.marks_after)
-        text.see('insert')
-        ##sys.__stderr__.write("redo: %s\n" % self)
-
-    def undo(self, text):
-        text.mark_set('insert', self.index1)
-        text.insert(self.index1, self.chars)
-        self.set_marks(text, self.marks_before)
-        text.see('insert')
-        ##sys.__stderr__.write("undo: %s\n" % self)
-
-class CommandSequence(Command):
-
-    # Wrapper for a sequence of undoable cmds to be undone/redone
-    # as a unit
-
-    def __init__(self):
-        self.cmds = []
-        self.depth = 0
-
-    def __repr__(self):
-        s = self.__class__.__name__
-        strs = []
-        for cmd in self.cmds:
-            strs.append("    " + `cmd`)
-        return s + "(\n" + ",\n".join(strs) + "\n)"
-
-    def __len__(self):
-        return len(self.cmds)
-
-    def append(self, cmd):
-        self.cmds.append(cmd)
-
-    def getcmd(self, i):
-        return self.cmds[i]
-
-    def redo(self, text):
-        for cmd in self.cmds:
-            cmd.redo(text)
-
-    def undo(self, text):
-        cmds = self.cmds[:]
-        cmds.reverse()
-        for cmd in cmds:
-            cmd.undo(text)
-
-    def bump_depth(self, incr=1):
-        self.depth = self.depth + incr
-        return self.depth
-
-def main():
-    from Percolator import Percolator
-    root = Tk()
-    root.wm_protocol("WM_DELETE_WINDOW", root.quit)
-    text = Text()
-    text.pack()
-    text.focus_set()
-    p = Percolator(text)
-    d = UndoDelegator()
-    p.insertfilter(d)
-    root.mainloop()
-
-if __name__ == "__main__":
-    main()