Reset page button

The reset page button will reset the library or playlist and then clear
the list on that page.

ocarina/button.py

@@ -84,6 +84,13 @@ class OpenButton(Button):
 		from ocarina import fsselect
 		fsselect.run_chooser2(LS.data.universal_open)
 
+class ClearButton(Button):
+	def __init__(self):
+		Button.__init__(self, gtk.STOCK_CLEAR, gtk.ICON_SIZE_BUTTON)
+	def clicked(self, button):
+		from ocarina import tabs
+		tabs.reset_current_page()
+
 class RandomButton(gtk.ToggleButton):
 	def __init__(self):
 		gtk.ToggleButton.__init__(self)

ocarina/collection.py

@@ -89,6 +89,10 @@ class Library(Collection):
 		self.clear()
 		self.populate()
 
+	def reset(self):
+		collection.lib_reset()
+		self.clear()
+
 	def mouse_motion(self, row):
 		return (collection.lib_get_attr(row[0], "playcount"),
 			collection.lib_get_attr(row[0], "score"))
@@ -122,6 +126,10 @@ class Playlist(Collection):
 		self.clear()
 		self.populate()
 
+	def reset(self):
+		collection.plist_reset()
+		self.clear()
+
 	def populate(self):
 		#import datetime
 		#before = datetime.datetime.now()

ocarina/info.py

@@ -43,6 +43,7 @@ class FilterBar(Bar):
 
 		self.pack(entry.FilterEntry(), True, True)
 		self.pack(button.OpenButton())
+		self.pack(button.ClearButton())
 		self.pack(button.RandomButton())
 		self.pack(button.VolumeButton())
 

ocarina/tabs.py

@@ -24,6 +24,10 @@ class TabPage(gtk.VBox):
 		if hasattr(self.content, "filter"):
 			self.content.filter(text)
 
+	def reset(self):
+		if hasattr(self.content, "reset"):
+			self.content.reset()
+
 	def visible(self):
 		global bottom
 		global top
@@ -92,6 +96,15 @@ def switch_page(notebook, page, page_num):
 	new.visible()
 	cur_page = page_num
 
+def get_current_page():
+	global tabs
+	global cur_page
+	return tabs.get_nth_page(cur_page)
+
+def reset_current_page():
+	get_current_page().reset()
+
+
 def filter(text = None):
 	#global cur_page
 	p = tabs.get_nth_page(cur_page)