bpo-36390: Gather IDLE Format menu functions into format.py (#14827)

Add two indent spec methods from editor and Rstrip to existing file.
Tests are not added for indent methods because they need change
in lights of 3.x's prohibition on mixing tabs and spaces.

1 files changed, 4 insertions, 30 deletions

diff --git a/Lib/idlelib/editor.py b/Lib/idlelib/editor.py
index f02498da35..24b1ffc679 100644
--- a/Lib/idlelib/editor.py
+++ b/Lib/idlelib/editor.py
@@ -53,9 +53,8 @@ class EditorWindow(object):
     from idlelib.autoexpand import AutoExpand
     from idlelib.calltip import Calltip
     from idlelib.codecontext import CodeContext
-    from idlelib.format import FormatParagraph, FormatRegion
+    from idlelib.format import FormatParagraph, FormatRegion, Indents, Rstrip
     from idlelib.parenmatch import ParenMatch
-    from idlelib.rstrip import Rstrip
     from idlelib.squeezer import Squeezer
     from idlelib.zoomheight import ZoomHeight
 
@@ -173,14 +172,15 @@ class EditorWindow(object):
         text.bind("<<newline-and-indent>>",self.newline_and_indent_event)
         text.bind("<<smart-indent>>",self.smart_indent_event)
         self.fregion = fregion = self.FormatRegion(self)
+        # self.fregion used in smart_indent_event to access indent_region.
         text.bind("<<indent-region>>", fregion.indent_region_event)
         text.bind("<<dedent-region>>", fregion.dedent_region_event)
         text.bind("<<comment-region>>", fregion.comment_region_event)
         text.bind("<<uncomment-region>>", fregion.uncomment_region_event)
         text.bind("<<tabify-region>>", fregion.tabify_region_event)
         text.bind("<<untabify-region>>", fregion.untabify_region_event)
-        text.bind("<<toggle-tabs>>", self.toggle_tabs_event)
-        text.bind("<<change-indentwidth>>",self.change_indentwidth_event)
+        text.bind("<<toggle-tabs>>", self.Indents.toggle_tabs_event)
+        text.bind("<<change-indentwidth>>", self.Indents.change_indentwidth_event)
         text.bind("<Left>", self.move_at_edge_if_selection(0))
         text.bind("<Right>", self.move_at_edge_if_selection(1))
         text.bind("<<del-word-left>>", self.del_word_left)
@@ -1424,20 +1424,6 @@ class EditorWindow(object):
             return _icis(_startindex + "+%dc" % offset)
         return inner
 
-    def toggle_tabs_event(self, event):
-        if self.askyesno(
-              "Toggle tabs",
-              "Turn tabs " + ("on", "off")[self.usetabs] +
-              "?\nIndent width " +
-              ("will be", "remains at")[self.usetabs] + " 8." +
-              "\n Note: a tab is always 8 columns",
-              parent=self.text):
-            self.usetabs = not self.usetabs
-            # Try to prevent inconsistent indentation.
-            # User must change indent width manually after using tabs.
-            self.indentwidth = 8
-        return "break"
-
     # XXX this isn't bound to anything -- see tabwidth comments
 ##     def change_tabwidth_event(self, event):
 ##         new = self._asktabwidth()
@@ -1446,18 +1432,6 @@ class EditorWindow(object):
 ##             self.set_indentation_params(0, guess=0)
 ##         return "break"
 
-    def change_indentwidth_event(self, event):
-        new = self.askinteger(
-                  "Indent width",
-                  "New indent width (2-16)\n(Always use 8 when using tabs)",
-                  parent=self.text,
-                  initialvalue=self.indentwidth,
-                  minvalue=2,
-                  maxvalue=16)
-        if new and new != self.indentwidth and not self.usetabs:
-            self.indentwidth = new
-        return "break"
-
     # Make string that displays as n leading blanks.
 
     def _make_blanks(self, n):