New dialog routines (Fred Lundh)

1 files changed, 63 insertions, 0 deletions

diff --git a/Lib/lib-tk/tkCommonDialog.py b/Lib/lib-tk/tkCommonDialog.py
new file mode 100644
index 0000000..33126c5
--- /dev/null
+++ b/Lib/lib-tk/tkCommonDialog.py
@@ -0,0 +1,63 @@
+#
+# Instant Python
+# $Id$
+#
+# base class for tk common dialogues
+#
+# this module provides a base class for accessing the common
+# dialogues available in Tk 4.2 and newer.  use tkFileDialog,
+# tkColorChooser, and tkMessageBox to access the individual
+# dialogs.
+#
+# written by Fredrik Lundh, May 1997
+#
+
+from Tkinter import *
+import os
+
+class Dialog:
+
+    command  = None
+
+    def __init__(self, master=None, **options):
+
+        # FIXME: should this be placed on the module level instead?
+        if TkVersion < 4.2:
+            raise TclError, "this module requires Tk 4.2 or newer"
+
+	self.master  = master
+        self.options = options
+
+    def _fixoptions(self):
+        pass # hook
+
+    def _fixresult(self, widget, result):
+        return result # hook
+
+    def show(self, **options):
+
+        # update instance options
+	for k, v in options.items():
+	    self.options[k] = v
+
+        self._fixoptions()
+
+        # we need a stub widget to properly process the options
+        # (at least as long as we use Tkinter 1.63)
+        w = Frame(self.master)
+
+        try:
+
+            s = apply(w.tk.call, (self.command,) + w._options(self.options))
+
+            s = self._fixresult(w, s)
+
+        finally:
+
+            try:
+                # get rid of the widget
+                w.destroy()
+            except:
+                pass
+
+        return s