[kupfer] plugin.kupfer_plugins: Add ShowInfo action

[Ulrik Sverdrup <usverdrup src gnome org>]

commit 7f8c714f12e4ed0178c0c8410e7d327c7e3f76a4
Author: Ulrik Sverdrup <ulrik sverdrup gmail com>
Date:   Wed Oct 28 21:46:27 2009 +0100

    plugin.kupfer_plugins: Add ShowInfo action
    
    Add action to show information about a plugin, by opening the
    preferences window showing the right page.

 kupfer/plugin/kupfer_plugins.py |   25 +++++++++++++++++++++++--
 1 files changed, 23 insertions(+), 2 deletions(-)
---
diff --git a/kupfer/plugin/kupfer_plugins.py b/kupfer/plugin/kupfer_plugins.py
index 23a04c8..f668e4c 100644
--- a/kupfer/plugin/kupfer_plugins.py
+++ b/kupfer/plugin/kupfer_plugins.py
@@ -1,9 +1,9 @@
 from kupfer.objects import Action, Source, Leaf
-from kupfer import plugins
+from kupfer import plugin_support
 
 # Since this is a core plugin we break some rules
 # This module is normally out of bounds for plugins
-from kupfer import settings
+from kupfer import plugins, settings
 
 __kupfer_name__ = _("Kupfer Plugins")
 __kupfer_sources__ = ("KupferPlugins", )
@@ -11,10 +11,31 @@ __description__ = _("Access Kupfer's plugin list in Kupfer")
 __version__ = ""
 __author__ = "Ulrik Sverdrup <ulrik sverdrup gmail com>"
 
+__kupfer_settings__ = plugin_support.PluginSettings(
+		plugin_support.SETTING_PREFER_CATALOG,
+)
+
+class ShowInfo (Action):
+	def __init__(self):
+		Action.__init__(self, _("Show Information"))
+	def activate(self, leaf):
+		from kupfer import preferences
+		prefs = preferences.GetPreferencesWindowController()
+		plugin_id = leaf.object["name"]
+		prefs.show_focus_plugin(plugin_id)
+
+	def get_description(self):
+		pass
+	def get_icon_name(self):
+		return "dialog-information"
+
 class Plugin (Leaf):
 	def __init__(self, obj, name):
 		Leaf.__init__(self, obj, name)
 		self.name_aliases.add(self.get_description())
+	def get_actions(self):
+		yield ShowInfo()
+
 	def get_description(self):
 		setctl = settings.GetSettingsController()
 		enabled = setctl.get_plugin_enabled(self.object["name"])