Began bottom pane

I only need to create one bottom pane instance now.  When the tabs are
changed, the object will be removed from the old tab and added to the
new one.  This will preserve the state of the pane between tabs.

libsaria/collection/tree.py

@@ -1,6 +1,6 @@
 # Bryan Schumaker (8 / 12 / 2010)
 
-get      = dict.get
+get = dict.get
 
 class TagNode(dict):
 	def __init__(self, id):
@@ -15,7 +15,19 @@ class TagNode(dict):
 
 		self["filepath"]  = filepath
 		self["playcount"] = 0
-		self["length"]    = audio.length
+
+		length = audio.length
+		sf = 0
+		sec = length % 60
+		if sec >= 10:
+			sf = ""
+		min = (length - sec) / 60
+		mf = 0
+		if min >= 10:
+			mf = ""
+
+		self["seconds"]    = audio.length
+		self["length"]    = "%s%s:%s%s" % (mf, min, sf, sec)
 
 	def walk(self):
 		yield self

ocarina/info.py

@@ -0,0 +1,23 @@
+# Bryan Schumaker (8/22/2010)
+
+import ocarina
+gtk = ocarina.gtk
+
+info = gtk.VBox()
+info.show()
+
+hsep = gtk.HSeparator()
+hsep.show()
+
+info.pack_start(hsep)
+
+
+def init():
+	global info
+	label = gtk.Label("Test label")
+	label.show()
+	info.pack_start(label)
+
+def get_info():
+	global info
+	return info

ocarina/tabs.py

@@ -11,6 +11,8 @@ tabs     = None
 contents = dict()
 cur_page = 0
 
+bottom = None
+
 
 class TabPage(gtk.VBox):
 	def __init__(self, content):
@@ -20,15 +22,25 @@ class TabPage(gtk.VBox):
 		self.show()
 
 	def visible(self):
+		global bottom
+		if bottom is not None:
+			self.pack_end(bottom, False, False)
 		if hasattr(self.content, "visible"):
 			self.content.visible()
 
 	def invisible(self):
+		global bottom
+		if bottom is not None and bottom.get_parent() is not None:
+			self.remove(bottom)
 		if hasattr(self.content, "invisible"):
 			self.content.invisible()
 
 
 def init():
+	import info
+	global bottom
+	info.init()
+	bottom = info.get_info()
 	global tabs
 	tabs = gtk.Notebook()
 	tabs.set_tab_pos(gtk.POS_LEFT)
@@ -60,7 +72,7 @@ def remove_page(text):
 def switch_page(notebook, page, page_num):
 	global cur_page
 	old = notebook.get_nth_page(cur_page)
-	old.invisible()
 	new = notebook.get_nth_page(page_num)
+	old.invisible()
 	new.visible()
 	cur_page = page_num