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+# Copyright (C) 2009, Aleksey Lim
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+"""Object chooser method"""
+
+import gtk
+import logging
+
+from sugar import mime
+from sugar.graphics.objectchooser import ObjectChooser
+
+TEXT = hasattr(mime, 'GENERIC_TYPE_TEXT') and mime.GENERIC_TYPE_TEXT or None
+IMAGE = hasattr(mime, 'GENERIC_TYPE_IMAGE') and mime.GENERIC_TYPE_IMAGE or None
+AUDIO = hasattr(mime, 'GENERIC_TYPE_AUDIO') and mime.GENERIC_TYPE_AUDIO or None
+VIDEO = hasattr(mime, 'GENERIC_TYPE_VIDEO') and mime.GENERIC_TYPE_VIDEO or None
+LINK = hasattr(mime, 'GENERIC_TYPE_LINK') and mime.GENERIC_TYPE_LINK or None
+
+
+def pick(cb=None, default=None, parent=None, what=None):
+ """
+ Opens object chooser.
+
+ Method returns:
+
+ * cb(jobject), if object was choosen and cb is not None
+ * jobject, if object was choosen and cb is None
+ * default, otherwise
+
+ NOTE: 'what' makes sense only for sugar >= 0.84
+ """
+ what = what and {'what_filter': what} or {}
+ chooser = ObjectChooser(parent=parent, **what)
+
+ jobject = None
+ out = None
+
+ try:
+ if chooser.run() == gtk.RESPONSE_ACCEPT:
+ jobject = chooser.get_selected_object()
+ logging.debug('ObjectChooser: %r' % jobject)
+
+ if jobject and jobject.file_path:
+ if cb:
+ out = cb(jobject)
+ else:
+ out = jobject
+ finally:
+ if jobject and id(jobject) != id(out):
+ jobject.destroy()
+ chooser.destroy()
+ del chooser
+
+ if out:
+ return out
+ else:
+ return default