[kupfer] plugin.nautilusselection: Nautilus Current Selection

[Ulrik Sverdrup <usverdrup src gnome org>]

commit f70c47418a51a51dfd38511d9e7315124845b6fa
Author: Ulrik Sverdrup <ulrik sverdrup gmail com>
Date:   Sat Aug 29 20:18:15 2009 +0200

    plugin.nautilusselection: Nautilus Current Selection
    
    A plugin for the Current Selection in Nautilus!! This uses the kupfer
    nautilus extension that has to be installed.

 kupfer/plugin/nautilusselection.py |   57 ++++++++++++++++++++++++++++++++++++
 1 files changed, 57 insertions(+), 0 deletions(-)
---
diff --git a/kupfer/plugin/nautilusselection.py b/kupfer/plugin/nautilusselection.py
new file mode 100644
index 0000000..de90875
--- /dev/null
+++ b/kupfer/plugin/nautilusselection.py
@@ -0,0 +1,57 @@
+import os
+
+import dbus
+
+from kupfer.objects import Source, Leaf, FileLeaf, SourceLeaf, PicklingHelperMixin
+from kupfer import objects
+
+__kupfer_name__ = _("Selected File")
+__kupfer_sources__ = ("SelectionSource", )
+__description__ = _("Provides current nautilus selection, using Kupfer's Nautilus Extension")
+__version__ = ""
+__author__ = "Ulrik Sverdrup <ulrik sverdrup gmail com>"
+
+class SelectedFile (FileLeaf):
+	def __init__(self, filepath):
+		"""@filepath is unicode and can be safely used"""
+		basename = os.path.basename(filepath)
+		FileLeaf.__init__(self, filepath, _('Selected File "%s"') % basename)
+
+	def rank_key(self):
+		# return a constant rank key despite the changing name
+		return _("Selected File")
+
+class InvisibleSourceLeaf (SourceLeaf):
+	"""Hack to hide this source"""
+	def is_valid(self):
+		return False
+
+class SelectionSource (Source, PicklingHelperMixin):
+	def __init__(self):
+		Source.__init__(self, _("Selected File"))
+		self.unpickle_finish()
+
+	def unpickle_finish(self):
+		session_bus = dbus.Bus()
+		session_bus.add_signal_receiver(self._selected_signal, 
+				dbus_interface="se.kaizer.KupferNautilusPlugin")
+		self._selection = []
+
+	def _selected_signal(self, selection):
+		self._selection = selection
+		self.mark_for_update()
+
+	def _clipboard_owner_changed(self, clipboard, event):
+		self._text = clipboard.wait_for_text()
+		self.mark_for_update()
+
+	def get_items(self):
+		if len(self._selection) == 1:
+			yield SelectedFile(self._selection[0])
+
+	def get_description(self):
+		return None
+	def provides(self):
+		yield FileLeaf
+	def get_leaf_repr(self):
+		return InvisibleSourceLeaf(self)